Papers

 

- 2021 -

Asymmetric Blue Multiresonance TADF Emitters with a Narrow Emission Band Jinho Park, Junseop Lim, Jin Ho Lee, Beomsu Jang, Ju Hee Han, Seung Soo Yoon,* and Jun Yeob Lee*, ACS Applied Materials & Interfaces (2021), 13, 38, 45798–45805

 

Efficient blue organic light emitting diodes based on 14,14-dimethyl-14H-indeno[1,2-b]triphenylene derivatives Jinho park, Beomsu Jang, Yu Ji Moon, Hakjun Lee, Young Kwan Kim, Seung Soo Yoon, Molecular Crystals and Liquid Crystals, (2021)

 

9-(10-phenylanthracene-9-yl)-7H-Fluoreno[4,3-b]Benzofuran Derivatives for blue Organic Light-Emitting Diodes Beomsu Jang, Giwoong Han, Kiju Kim, Hakjun Lee, Young Kwan Kim, and Seung Soo Yoon, Journal of Nanoelectronics and Optoelectronics (2021), 16, 844-848.

 

9-(10-phenylanthracene-9-yl)-Benzo[b]Fluoreno[3,4-d] Thiophene Derivatives for blue Organic Light-Emitting Diodes Beomsu Jang, Giwoong Han, Kiju Kim, Hakjun Lee, Young Kwan Kim, and Seung Soo Yoon, Journal of Nanoscience and Nanotechnology (2021), 21, 3914-3918.

 

Highly Efficient 7,7-Dimethyl-9-(10-phenylanthracene-9-yl)-7H-Benzo[6,7]Indeno[1,2-f]Quinoline Derivatives for Fluorcent Organic Light-Emitting Diodes Beomsu Jang, Giwoong Han, Kiju Kim, Hakjun Lee, Young Kwan Kim, and Seung Soo Yoon, Journal of Nanoscience and Nanotechnology (2021), 21, 4341-4346.

 

7,7-Dimethyl-9-(10-phenylanthracene-9-yl)-7H-Benzo[b] Fluoreno[3,4-d]Thiophene Derivatives for blue Fluorescent Organic Light-Emitting Diodes Beomsu Jang, Giwoong Han, Kiju Kim, Hakjun Lee, Young Kwan Kim, and Seung Soo Yoon, Journal of Nanoscience and Nanotechnology (2021), 21, 4665-4669.

 

- 2020 -

 

Deep Blue Organic Light-Emitting Diodes Based on [7,7-Dimethyl-9-(10-phenylanthracen-9-yl)-7H-Indeno[1,2-f] Isoquinoline] Derivatives Jinho Park, Beomsu Jang, Yu Ji Moon, Hakjun Lee, Young Kwan Kim ∗, and Seung Soo Yoon ∗, Journal of Nanoscience and Nanotechnology (2020), 20, 6648–6652.

 

Efficient deep blue organic light emitting diodes based on [2,7,7,13,13-pentamethyl-9-(10- phenylanthracen-9-yl)-7,13-dihydrobenzo[5,6]-sindaceno[1,2-g]quinoline] derivatives Jinho Park, Beomsu Jang, Yu Ji Moon, Hakjun Lee, Young Kwan Kim & Seung
Soo Yoon (2020), 1542-1406.

 

- 2019 -

 

Organic Light-Emitting Diodes based on Benzo[q]quinoline Derivatives. Kang, Soo Kyung; Woo, Jeongkyu; Lee, Song Eun; Kim, Young Kwan; Yoon, Seung Soo, Molecular Crystals and Liquid Crystals (2019), 685(1), 114-123.

 

Blue electroluminescent materials based on indeno[1,2-a]arene derivatives for Organic Light-Emitting Diodes. Hwang, Namhee; Park, Jinho; Lee, Song Eun; Kim, Young Kwan; Yoon, Seung Soo, Molecular Crystals and Liquid Crystals (2019), 685(1), 107-113.

 

Diphenylaminoarylvinyl-substituted diphenylanthracenes for organic light-emitting diodes. Kang, Soo Kyung; Kim, Changmin; Lee, Song Eun; Kim, Young Kwan; Yoon, Seung Soo, Journal of Nanoscience and Nanotechnology (2019), 19(2), 979-983.

 

Highly efficient blue organic light-emitting diodes based on diarylamine-substituted pyrene derivatives. Cho, Seokwon; Hwang, Namhee; Lee, Song Eun; Kim, Young Kwan; Yoon, Seung Soo, Journal of Nanoscience and Nanotechnology (2019), 19(2), 1056-1060.

 

Fabrication of blue organic light-emitting diodes based on indeno-phenanthrene/triphenylene amine derivatives. Pak, Soyoung; Kang, Jisu; Hwang, Namhee; Cho, Seokwon; Lee, Song Eun; Kim, Young Kwan; Yoon, Seung Soo, Journal of Nanoscience and Nanotechnology (2019), 19(3), 1597-1602.

 

Highly efficient organic light-emitting diodes based on naphthoanthracene derivatives containing different arylamines. Kang, Jisu; Kim, Changmin; Hwang, Namhee; Lee, Song Eun; Kim, Young Kwan; Yoon, Seung Soo, Journal of Nanoscience and Nanotechnology (2019), 19(3), 1393-1398.

 

Facile synthesis of copper ferrocyanide-embedded magnetic hydrogel beads for the enhanced removal of cesium from water. Lee, Inae; Park, Chan Woo; Yoon, Seung Soo; Yang, Hee-Man, Chemosphere (2019), 224, 776-785.

 

 

- 2018 -

 

Synthesis and Electroluminescent Properties of Quinoline-Substituted Anthracene Derivatives for Organic Light-Emitting Diodes. Changmin Kim; Jisu Kang; Namhee Hwang; Song Eun Lee; Young Kwan Kim; Seung Soo Yoon, Journal of Nanoscience and Nanotechnology (2018), 18, 10.

 

Red Host Materials Based on Carbazole/Triphenylsilane Unit for Phosphorescent Organic Light-Emitting Diodes. Se Hyun Kim; Daeun Kim; Jisu Kang; Young Kwan Kim; Seung Soo Yoon, Science of Advanced Materials (2018), 10, 5.

 

6,11-Diphenyl-13H-Indeno[1,2-b]Anthracene Derivatives for Blue Fluorescent Organic Light Emitting Diodes. Sujin Jeong; Changmin Kim; Ho Won Lee; Young Kwan Kim; Seung Soo Yoon, Science of Advanced Materials (2018), 10, 5.

 

Efficient Organic Light-Emitting Diodes Based on Naphthoanthracene Derivatives. Jisu Kang; Changmin Kim; Soyoung Pak; Song Eun Lee; Young Kwan Kim; Seung Soo Yoon, Journal of Nanoscience and Nanotechnology (2018), 18, 9.

 

Aminofluorene-substituted pyrene derivatives for efficient blue organic light-emitting diodes. Jisu Kang; Soyoung Pak; Namhee Hwang; Song Eun Lee; Young Kwan Kim; Seung Soo Yoon, Molecular Crystals and Liquid Crystals (2018), 662, 9-17.

 

Blue organic light-emitting diodes based on spiro[fluorene-indeno]pyridine derivatives. Sujin Jeong; Changmin Kim; Se Hyun Kim; Dong Young Kim; Song Eun Lee; Young Kwan Kim; Seung Soo Yoon, Molecular Crystals and Liquid Crystals (2018), 660, 24-32.

 

Efficient co-host exciplex emission for white organic light-emitting diodes. Hyun Jung Baek; Song Eun Lee; Ho Won Lee; Jisu Kang; Jaehoon Park; Seung Soo Yoon; Young Kwan Kim, Journal of Physics and Chemistry of Solids (2018), 119, 276-280 

 .

- 2017 -

 

Blue organic light-emitting diodes based on diphenylamino dibenzo[g,p]chrysene derivatives. Sujin Jeong; Se Hyun Kim; Dong Young Kim; Changmin Kim; Ho Won Lee; Song Eun Lee; Young Kwan Kim; Seung Soo Yoon, Thin Solid Films (2017), 636, 8–14.

 

9,10-Diphenylanthracene derivative substituted with indole moiety for blue organic light-emitting diodes. Dong Young Kim; Young Seok Kim; Song Eun Lee; Young Kwan Kim; Seung Soo Yoon, Molecular Crystals and Liquid Crystals (2017), 644, 197–204.

 

9,9-Diethyl-N,N-diphenyl-9H-fluoren-2-amine derivatives end-capped with various aromatics as blue emitters for OLEDs. Se Hyun Kim; Jwajin Kim; Ho Won Lee; Young Kwan Kim; Seung Soo Yoon, Molecular Crystals and Liquid Crystals (2017), 644, 205–213.

 

Carbazole/Indole-Substituted Bianthracene Derivatives for Blue Organic Light Emitting Diodes. Changmin Kim; Ho Won Lee; Young Kwan Kim; Seung Soo Yoon, Journal of Nanoscience and Nanotechnology (2017), 17, 10.

 

Arylamine-Substituted 2-(9,9-diethyl-2-vinyl-9H-fluoren-7-yl)-1,4-Diphenyltriphenylene Derivatives for Blue Organic Light-Emitting Diodes. Dong Young Kim; Jisu Kang; Song Eun Lee; Young Kwan Kim; Seung Soo Yoon, Journal of Nanoscience and Nanotechnology (2017), 17, 7286–7291.

 

Blue organic light‐emitting diodes based on fluorene‐bridged quinazoline and quinoxaline derivatives. Dong Young Kim; Jisu Kang; Song Eun Lee; Young Kwan Kim; Seung Soo Yoon, Luminescence (2017), 1–6.

 

Triphenylsilane-Fluorene Hybrids as Host Materials for Green and Blue Phosphorescent Organic Light Emitting Diodes. Sujin Jeong; Seokwon Cho; Ho Won Lee; Young Kwan Kim; Seung Soo Yoon, Journal of Nanoscience and Nanotechnology (2017), 17, 8.

 

Blue Emitters Based on 2-Styryl-9H-fluorene Derivatives End-Capped with Diarylamine for Organic Light-Emitting Diodes. Dong Young Kim; Se Hyun Kim; Sujin Jeong; Ho Won Lee; Young Kwan Kim; Seung Soo Yoon, Journal of Nanoscience and Nanotechnology (2017), 17, 6.

 

 

 

Blue Electroluminescent Dibenzofuran-Substituted Bianthracene Derivatives for Organic Light-Emitting Diodes. Hyun Woo Lee; Sujin Jeong; Ho Won Lee; Young Kwan Kim; Seung Soo Yoon, Science of Advanced Materials (2017), 9, 8.

 

 

 

- 2016 -

 

 

Observation of graphene grain boundaries through selective adsorption of rhodamine B using fluorescence microscopy. Dong-Wook Shin; Dongchul Sung; Ji Su Hong; Minwoo Kim; Seung Soo Yoon; Young-Jae Song; Gunn Kim; Suklyun Hong; Ji-Beom Yoo, Carbon (2016), 108, 72.

 

Electroluminescent properties of naphthalene end-capping bis-anthracene derivatives. Se Hyun Kim; Jwajin Kim; Song Eun Lee; Young Kwan Kim; Seung Soo Yoon, Molecular Crystals and Liquid Crystals (2016), 636, 30.

 

Electroluminescent properties of diphenylaminodibenzo[g,p]chrysene derivatives. Dong Young Kim; Young Seok Kim; Hyun Woo Lee; Sujin Jeong; Young Kwan Kim; Seung Soo Yoon, Molecular Crystals and Liquid Crystals (2016), 636, 99.

  

The Role of Triplet Modulation Layer on White Organic Light-Emitting Diodes. Han Kyu Yoo; Ho Won Lee; Song Eun Lee; Hyun Jung Baek; Sungkyu Lee; Kyo Min Hwang; Young Seok Kim; Seung Soo Yoon; Young Kwan Kim, Journal of Nanoscience and Nanotechnology (2016), 16, 11603.

 

7-[4-(diphenylamino)styryl]-9,9-Diethyl-N,N-Diphenyl-9H-Fluoren-2-Amine Derivatives for Blue Organic Light-Emitting Diodes. Se Hyun Kim; Jwajin Kim; Ho Won Lee; Song Eun Lee; Young Kwan Kim; Seung Soo Yoon, Journal of Nanoscience and Nanotechnology (2016), 16, 11513.

 

Synthesis and electroluminescent properties of tert-butylated arylamine substituted 9,10-diphenylanthracene derivatives for organic light-emitting diodes. Dong Young Kim; Young Seok Kim; Se Hyun Kim; Sujin Jeong; Song Eun Lee; Young Kwan Kim;Seung Soo Yoon, Synth. Met. (2016), 220, 628.

 

Bipolar Host Materials with Carbazole and Isoquinoline/Benzothiazole Moieties for Green Phosphorescent Organic Light-Emitting Diodes. Jwajin Kim; Se Hyun Kim; Ho Won Lee; Song Eun Lee; Young Kwan Kim; Seung Soo Yoon, Journal of Nanoscience and Nanotechnology (2016), 16, 10792.

 

Efficient Hybrid White Organic Light-Emitting Diodes for Application of Triplet Harvesting with Simple Structure. Kyo Min Hwang; Song Eun Lee; Sungkyu Lee; Han Kyu Yoo; Hyun Jung Baek; Young Kwan Kim; Jwajin Kim; Seung Soo Yoon, Journal of the Korean Physical Society (2016), 69, 328.

 

N-phenyl-N-(4-9,10-diphenylanthracen-7-yl)phenyl)benzenamine for Undoped Blue Organic Light-Emitting Diodes. Kim, Young Seok; Kim, Dong Young; Lee, Song Eun; Kim, Young Kwan; Yoon, Seung Soo, J. Nanosci. Nanotechnol.(2016), 16, 8465–8469.

 

Blue Electroluminescent Materials Based on Dibenzofuran-Containing Anthracene Derivatives for Organic Light-Emitting Diodes. Lee, Hyun Woo; Jeong, Su Jin; Lee, Ho Won; Kim, Young Kwan; Yoon, Seung Soo, J. Nanosci. Nanotechnol.(2016), 16, 8460–8464.

 

Efficient blue organic light-emitting diodes using N2,N2,N11,N11,5,6,7,8-octaphenyltriphenylene-2,11-diamine derivatives. Young Seok Kim; Su Jin Jeong; Hyun Woo Lee; Jwajin Kim; Song Eun Lee; Young Kwan Kim; Seung Soo Yoon, Luminescence (2016), 31, 1031.

 

N-(4-tert-Butylphenyl)-N-phenyl-4-(9,10-diphenylanthracen-3-yl)benzenamine for blue organic light-emitting diodes. Young Seok Kim; Dong Young Kim; Song Eun Lee; Young Kwan Kim; Seung Soo Yoon, Jpn. J. Appl. Phys. (2016), 55, 06GK06.

 

Blue emitting materials containing dibenzo[b,d]furan and dibenzo[b,d]thiophene for organic light-emitting diodes. Hyun Woo Lee; Sujin Jeong; Song Eun Lee; Young Kwan Kim;Seung Soo Yoon, Jpn. J. Appl. Phys. (2016), 55, 06GK07.

 

Triplet Exciton Confinement for Enhanced Fluorescent Organic Light-Emitting Diodes Using a Co-host System. Han Kyu Yoo; Ho Won Lee; Song Eun Lee; Young Kwan Kim; Se Hyun Kim; Seung Soo Yoon; Jaehoon Park, Journal of the Korean Physical Society (2016), 68, 1228.

 

Red Phosphorescent Bis-Cyclometalated Iridium Complexes with Fluorine-, Phenyl-, and Fluorophenyl-Substituted 2-Arylquinoline Ligands.Jwajin Kim; Kum Hee Lee; Seok Jae Lee; Ho Won Lee; Young Kwan Kim;Young Sik Kim; Seung Soo Yoon, Chem. Eur. J. (2016), 22, 4036-4045.

 

Triphenylsilane-substituted arenes as host materials for use in green phosphorescent organic light emitting diodes. Jwajin Kim; Kum Hee Lee; Young Seok Kim; Hyun Woo Lee; Ho Won Lee; Young Kwan Kim; Seung Soo Yoon, Journal of Luminescence (2016), 171, 58.

 

Blue Emitters Based on Aryl End-Capped Pyrene Groups for OLEDs. C. W. Kim; S. N. Park; S. B. Lee; J. J. Kim; H.W. Lee; Y. K. Kim; S. S. Yoon, Journal of Nanoscience and Nanotechnology (2016), 16, 2912.

 

Quinoline-Substituted 10-(naphthalene-7-yl)anthracene Derivatives for Blue Fluorescent Organic Light-Emitting Diodes. Kim, Chanwoo; Park, Soo Na; Lee, Seul Bee; Kim, Young Seok; Lee, Ho Won; Kim, Young Kwan; Yoon, Seung Soo, Journal of Nanoscience and Nanotechnology (2016), 16, 1859-1862.

 

Anthracene Derivatives Containing the Various Heterocyclic Moiety as the Efficient Emitting Materials for Organic Light-Emitting Diodes. Kim, Jwajin; Kim, Young Seok; Lee, Hyun Woo; Lee, Ho Won; Kim, Young Kwan; Yoon, Seung Soo, Journal of Nanoscience and Nanotechnology (2016), 16, 1732-1735.

 

A bis(pyridine-2-ylmethyl)amine-based selective and sensitive colorimetric and fluorescent chemosensor for Cu²⁺. Xu Zheng; Kum Hee Lee; Hongguang Liu; So-Young Park; Seung Soo Yoon; Jin Yong Lee; Yang-Gyun Kim, Sensors and Actuators B: Chemical (2016), 222, 28.

 

 

 

- 2015 -

 

Efficient blue organic light-emitting diodes using N(2) ,N(2) ,N(11) ,N(11) ,5,6,7,8-octaphenyltriphenylene-2,11-diamine derivatives. Kim Young Seok; Jeong Su Jin; Lee Hyun Woo; Kim Jwajin; Yoon SeungSoo; Lee Song Eun; Kim Young Kwan, Luminescence : the journal of biological and chemical luminescence (2015).

 

Blue emitting materials based on bispiro-type anthracene derivatives for organic light emitting diodes. Lee, Hyun Woo; Kim, Jwajin; Kim, Young Seok; Lee, Song Eun; Kim, Young Kwan; Yoon, SeungSoo, Dyes and Pigments (2015), 123, 363-369.

 

Synthesis and electroluminescent properties of blue fluorescent materials based on 9,9-diethyl-N,N-diphenyl-9 H-fluoren-2-amine substituted anthracene derivatives for organic light-emitting diodes. Lee, Seul Bee; Kim, Chanwoo; Park, Soo Na; Kim, Young Seok; Lee, Ho Won; Kim, Young Kwan; Yoon, SeungSoo, Thin Solid Films (2015), 595(Part_A), 186-192.

 

Blue electroluminescent materials based on phenylanthracene-substituted fluorene derivatives for organic light-emitting diodes. Lee, Hyun Woo; Kim, HyeJeong; Kim, Young Seok; Kim, Jwajin; Lee, Song Eun; Lee, Ho Won; Kim, Young Kwan; Yoon, SeungSoo, Displays (2015), 39, 1-5.

 

Highly Efficient Blue Organic-Light Emitting Diodes Based on 9,10-Diphenylanthracene End-Capped 5H-Pyrido[3,2-b]Indole Groups. Lee, Seul Bee; Lee, Hyun Woo; Lee, Ho Won; Kim, Young Kwan; Yoon, SeungSoo, Nanoscience and Nanotechnology (2015), 15(10), 7804-7807.

 

Emitting materials based on phenylanthracene-substituted naphthalene derivatives for organic light-emitting diodes. Lee, Hyun Woo; Kim, HyeJeong; Kim, Young Seok; Kim, Jwajin; Lee, Song Eun; Lee, Ho Won; Kim, Young Kwan; Yoon, SeungSoo, Journal of Luminescence (2015), 165, 99-104.

 

Organic light-Emitting diode based on bis(10-phenylanthracen-9-yl)benzene derivatives with a stable white emission. Kim, Young Seok; Yoon, Jhin-yeong; Lee, Hyun Woo; Kim, Jwajin; Lee, Song Eun; Lee, Ho Won; Kim, Young Kwan; Yoon, SeungSoo, Journal of Photochemistry and Photobiology, A: Chemistry (2015), 310, 134-140.

 

Synthesis and electroluminescent properties of 9, 10-diphenylanthracene containing 9H-carbazole derivatives for blue   organic light-emitting diodes. Lee, Seul Bee; Park, Soo Na; Kim, Chanwoo; Lee, Hyun Woo; Lee, Ho Won; Kim, Young Kwan;   Yoon, Seung Soo, Synthetic Metals (2015), 203, 174-179.

 

Organic light- emitting diodes based on 9-(2-naphthyl)anthracene derivatives with a triphenylsilane unit as the deep-blue emitting layer Song, Ji Young; Lee, Seul Bee; Lee, Seok Jae; Kim, Young Kwan; Yoon, Seung Soo, Thin Solid Films (2015), 577, 42-48.

 

Novel fluorescent blue- emitting materials based on anthracene-fluorene hybrids with triphenylsilane group for organic  light-emitting diodes. Song, Ji Young; Park, Soo Na; Lee, Seok Jae; Kim, Young Kwan; Yoon, Seung Soo, Dyes and Pigments (2015), 114, 40-46.

 

Blue Emitting Materials Based on Naphthylanthracene Derivatives Containing Electron-Withdrawing Fluorobenzenes.   Yoon, Jhin-Yeong; Na, Eun Jae; Lee, Seok Jae; Kim, Young Kwan; Yoon, Seung Soo, Journal of Nanoscience and Nanotechnology (2015), 15, 1628.

 

Novel blue emitters based on anthracene derivatives with naphthalene and phenylquinoline moieties for organic light-emtting diodes. Park, Soo Na ; Lee, Seul Bee; Kim, Chanwoo; Le, Ho Won; Kim, Young Kwan; Yoon, Seung Soo, Japanese Journal of Applied Physics (2015), 54, 06FK06.

 

Blue Fluorescent Materials Composed of Anthracene-Aryl Amine-Anthracene Derivatives for Organic Light-Emitting Diodes. Lee, Seul Bee; Song, Ji Young; Yang, Hyung Jin; Kim, Young Kwan; Yoon, Seung Soo, Journal of Nanoscience and Nanotechnology (2015), 15, 5238.

 

Blue Emitters Based on Anthracene-Aryl-Anthracene Moieties End-Capped with 1-Naphthyl Groups for Organic Light-Emitting Diodes. Park, Soo Na; Kim, Hye Jeong; Lee, Song Eun; Lee, Seok Jae; Kim, Young Kwan; Yoon, Seung Soo, Journal of Nanoscience and Nanotechnology (2015), 15, 5242.

 

Various Blue Emitting Materials Based on Pyrene Derivatives for Organic Light-Emitting Diodes. Kim, Chanwoo; Yoon, Jhin-Yeong; Lee, Seok Jae; Lee, Ho Won; Kim, Young Kwan; Yoon, Seung Soo, Journal of Nanoscience and Nanotechnology (2015), 15, 5246.

 

Efficient bipolar host materials based on carbazole and 2-methyl pyridine for use in green phosphorescent organic light-emitting diodes. Kim, Jwajin; Kim , Se Hyun; Lee, Ho Won; Lee, Song Eun; Kim, Young Kwan; Yoon, Seung Soo, Journal of Nanoscience and Nanotechnology (2015), 15, 5258.

 

Blue organic light-emitting diodes based on phenyl-bridged fluoranthene and triphenylene derivatives. Park, Soo Na; Lee, Hyun Woo; Kim, Young Seok; Kim, Jwajin; Lee, Song Eun; Lee, Ho Won; Kim, Young Kwan; Yoon, Seung Soo; Synthetic Metals (2015), 206, 124.

 

Blue fluorescent materials based on bis(10-phenylanthracen-9-yl) derivatives containing heterocyclic moiety. Kim, Young Seok; Yoon, Jhin-Yeong; Lee, Hyun Woo; Kim, Jwajin; Lee, Ho Won; Lee, Song Eun; Kim, Young Kwan; Yoon, Seung Soo; Optical Materials (2015), 46, 247.

 

 

 

- 2014 -

 

Undoped blue organic light-emitting diodes using 2-diphenylaminofluoren-7-ylstyryl derivatives . Heung Soo; Song, Ji Young; Lee, Kum Hee; Lim, Dong Hwan; Lee, Seok Jae; Kim, Young Kwan; Yoon, Seung Soo, Journal of Nanoscience and Nanotechnology (2014), 14(8), 6217-6220.

 

Triphenylamine substituted anthracene derivatives for blue organic light-emitting diodes. Kwon, Sung Min; Lee, Kum Hee; Kim, Bo Young; Lee, Suk Jae; Kim, Young Kwan; Yoon, Seung Soo, Journal of Nanoscience and Nanotechnology (2014), 14(8), 6177-6180.

 

Efficient red phosphorescent OLEDs using Ir(III) complexes based on bezoylphenylpyridine and the various ancillary ligands. Hwang, Jin Soo; Lee, Kum Hee; Lee, Seok Jae; Kim, Young Kwan; Yoon, Seung Soo, Journal of Nanoscience and Nanotechnology (2014), 14(8), 6128-6132.

 

Blue organic light-emitting diodes based on new bipolar anthracene derivatives containing pyridine. Kwon, Sung Min; Yoon, Jhin-Yeong; Lee, Kum Hee; Kim, Bo Young; Lee, Seok Jae; Kim, Young Kwan; Yoon, Seung Soo, Journal of Nanoscience and Nanotechnology (2014), 14(8), 6116-6119.

 

Enhanced efficiency of blue phosphorescent organic light-emitting diode base on triple-emitting layer with mixed host system. Lim, Dong Hwan; Lee, Seok Jae; Shin, Hyun Su; Lee, Dong Hyung; Lee, Kum Hee; Kim, Woo Young; Yoon, Seung Soo; Kim, Young Kwan, Journal of Nanoscience and Nanotechnology (2014), 14(8), 6056-6059.

 

Improved efficiency of red phosphorescent organic light-emitting diodes with combination of heterojunction and mixed host structure. Lim, Dong Hwan; Lee, Seok Jae; Koo, Ja Ryong; Kim, Bo Young; Shin, Hyun Su; Lee, Kum Hee; Lee, Sang Youn; Kim, Woo Young; Yoon, Seung Soo; Kim, Young Kwan, Journal of Nanoscience and Nanotechnology (2014), 14(8), 5998-6001.

 

Red fluorescent materials based on julolidine/chromene with the bulky tert-butyl and trimethylsilyl substituents for organic light-emitting diodes. Na, Eun Jae; Kim, Hye Jeong; Lee, Kum Hee; Lee, Seok Jae; Kim, Young Kwan; Yoon, Seung Soo, Journal of Nanoscience and Nanotechnology (2014), 14(8), 5979-5982.

 

The effect of a charge control layer on the electroluminescent characteristic of blue and white organic light-emitting diodes. Lee, Dong Hyung; Lee, Seok Jae; Koo, Ja-Ryong; Lee, Ho Won; Shin, Hyun Su; Lee, Song Eun; Kim, Woo Young; Lee, Kum Hee; Yoon, Seung Soo; Kim, Young Kwan, Journal of Nanoscience and Nanotechnology (2014), 14(8), 5802-5806.

 

Effect of broad recombination zone in multiple quantum well structures on lifetime and efficiency of blue organic light-emitting diodes. Lee, Seok Jae; Lee, Song Eun; Lee, Dong Hyung; Koo, Ja Ryong; Lee, Ho Won; Yoon, Seung Soo; Park, Jaehoon; Kim, Young Kwan, Japanese Journal of Applied Physics (2014), 53(10), 101601/1-101601/5, 5 pp.

 

Red fluorescent donor-π-acceptor type materials based on chromene moiety for organic light-emitting diodes. Yoon, Jhin-yeong; Lee, Jeong Seob; Yoon, Seung Soo; Kim, Young Kwan, Bulletin of the Korean Chemical Society (2014), 35(6), 1670-1674.

 

Synthesis and biological evaluation of curcumin analogs as antiplatelet inhibitor. Lee, Dong Won; Park, Jin Hun; Yoon, Seung Soo, Bulletin of the Korean Chemical Society (2014), 35(5), 1537-1540.

 

Synthesis and electroluminescent properties of anthracene derivatives containing electron-withdrawing oxide moieties. Yoon, Jhin-yeong; Na, Eun Jae; Park, Soo Na; Lee, Seok Jae; Kim, Young Kwan; Yoon, Seung Soo, Materials Research Bulletin (2014), 58, 149-152.

 

Highly efficient non-doped organic light emitting diodes (OLEDs) using anthracene derivatives with triphenylsilane unit. Song, Ji Young; Lee, Seok Jae; Kim, Young Kwan; Yoon, Seung Soo, Materials Research Bulletin (2014), 58, 145-148.

 

DCM-based organic dyes with electron donating groups for dye-sensitized solar cells. Kim, Joo Young; Yoon, Seung Soo; Kim, Young Sik, Journal of Nanoscience and Nanotechnology (2014), 14(7), 5203-5206.

 

Improved manufacturing process for pyronaridine tetraphosphate. Lee, Dong Won; Lee, Seung Kyu; Cho, Jun Ho; Yoon, Seung Soo, Bulletin of the Korean Chemical Society (2014), 35(2), 521-524.

 

 

 

- 2013 -

 

Non-Doped Blue OLEDs Based on 9,9'-Dimethylfluorene Containing 10-Naphthylanthracene Derivatives. Na, Eun Jae; Lee, Kum Hee; Kim, Bo Young; Lee, Seok Jae; Kim, Young Kwan; Yoon, Seung Soo, Molecular Crystals and Liquid Crystals (2013), 584(1), 113-122.

 

4-(2-(4'-(2,2-diphenylvinyl)biphenyl-4-yl)vinyl)-N,N-diphenylaniline Derivatives for Blue Organic Light-Emitting Diodes. Kwon, Sung Min; Lee, Kum Hee; Lee, Seok Jae; Kim, Young Kwan; Yoon, Seung Soo, Molecular Crystals and Liquid Crystals (2013), 584(1), 103-112.

 

Red fluorescent DCM derivatives with the bulky adamantyl and bicyclo[2,2,2|octyl groups for organic light emitting diodes (OLEDs). Jang, Heung Soo; Lee, Kum Hee; Lee, Seok Jae; Kim, Young Kwan; Yoon, Seung Soo, Electronic Materials Letters (2013), 9(6), 759-761.

 

Effect of a multiple quantum well structure as an emissive layer based on blue phosphorescent organic light-emitting diodes. Lee, Seok Jae; Koo, Ja Ryong; Lee, Ho Won; Lee, Dong Hyung; Lee, Kum Hee; Yoon, Seung Soo; Park, Jaehoon; Kim, Young Kwan, Electronic Materials Letters (2013), 9(6), 821-824.

 

Efficient green phosphorescent organic light-emitting diodes depending on concentration of lithium quinolate in electron transport layer. Kim, Bo Young; Lee, Seok Jae; Koo, Ja Ryong; Lee, Song Eun; Lee, Kum Hee; Yoon, Ju An; Kim, Woo Young; Yoon, Seung Soo; Kim, Young Kwan, Journal of Nanoscience and Nanotechnology (2013), 13(12), 7998-8001.

 

Highly efficient blue- and white-organic light emitting diodes base on triple-emitting layer. Shin, Hyun Su; Lee, Seok Jae; Lee, Ho Won; Lee, Dong Hyung; Kim, Woo Young; Yoon, Seung Soo; Kim, Young Kwan, Journal of Nanoscience and Nanotechnology (2013), 13(12), 7988-7992.

 

Effect of electron transport layer engineering based on blue phosphorescent organic light-emitting diodes. Kim, Bo Young; Lee, Seok Jae; Koo, Ja-Ryong; Lee, Song Eun; Lee, Kum Hee; Yoon, Seung Soo; Kim, Young Kwan, Displays (2013), 34(5), 396-398.

 

Blue organic light-emitting diodes based on triphenylene derivatives. Kim, Seul Ong; Jang, Heung Soo; Lee, Seok Jae; Kim, Young Kwan; Yoon, Seung Soo. Bulletin of the Korean Chemical Society (2013), 34(8), 2267-2270.

 

Phosphorescent iridium complexes for OLEDs based on 1-phenylpyrazole ligands with fluorine and methyl moieties. Yoon, Seung Soo; Song, Ji Young; Na, Eun Jae; Lee, Kum Hee; Kim, Seong Kyu; Lim, Dong Whan; Lee, Seok Jae; Kim, Young Kwan, Bulletin of the Korean Chemical Society (2013), 34(5), 1366-1370.

 

N,N-(diphenylamino)fluorenylstyrene derivatives with the various heteroatom-containing moieties for blue organic light-emitting diodes. Lee, Kum Hee; Seo, Ji Hoon; Kim, Young Kwan; Yoon, Seung Soo, Journal of Nanoscience and Nanotechnology (2013), 13(3), 1808-1811.

 

Phosphorescence white organic light-emitting diodes with single emitting layer based on isoquinolinefluorene-carbazole containing host. Koo, Ja Ryong; Lee, Seok Jae; Hyung, Gun Woo; Kim, Bo Young; Shin, Hyun Su; Lee, Kum Hee; Yoon, Seung Soo; Kim, Woo Young; Kim, Young Kwan, Journal of Nanoscience and Nanotechnology (2013), 13(3), 1789-1793.

 

Highly efficient and simplified phosphorescence white organic light-emitting diodes based on synthesized deep-blue host and orange emitter. Koo, Ja Ryong; Lee, Seok Jae; Hyung, Gun Woo; Kim, Bo Young; Lee, Dong Hyung; Kim, Woo Young; Lee, Kum Hee; Yoon, Seung Soo; Kim, Young Kwan, Thin Solid Films (2013), 544, 234-237.

 

Red fluorescent emitting materials based on Di-tert-butyl chromene derivatives for organic light-emitting diodes. Na, Eun Jae; Lee, Kum Hee; Han, Hoon; Kim, Young Kwan; Yoon, Seung Soo, Journal of Nanoscience and Nanotechnology (2013), 13(1), 554-557.

 

 

 

- 2012 -

 

 Enhanced life time and suppressed efficiency roll-off in phosphorescent organic light-emitting diodes with multiple quantum well structures. Koo, Ja-Ryong; Lee, Seok Jae; Hyung, Gun Woo; Im, Dong Whan; Yu, Han Sung; Park, Jung Hwan; Lee, Kum Hee; Yoon, Seung Soo; Kim, Woo Young, Kim, Young Kwan. AIP Advances 2, 012117 (2012)

 

Diphenylamino-Fluorenylethylene Derivatives for Highly Efficient Blue Organic Light-Emitting Diodes. Lee, Kum Hee; Kang, Hyun Ju; Kim, Young Kwanl, Yoon, Seung Soo. J. Nanosci. Nanotechnol . 12, 3280 – 3283, 2012.

 

Efficient Deep-Blue Organic Light-Emitting Diodes Using Double-Emitting Layer. Seo, Ji Hoon; Seo, Bo Min; Lee, Seok Jae; Lee, Kum Hee; Yoon, Seung Soo; Kim, Young Kwan. J. Nanosci. Nanotechnol . 12, 3451 – 3454, 2012.

 

Highly Efficient Red Phosphorescent Organic Light-Emitting Devices Using Iridium( Ⅲ ) Complexes Based on 2-(biphenyl-3-yl)Quinoline Derived Ligands. Kang, Hyun Ju; Lee, Kum Hee; Kim, Heo Min; Seo, Ji Hyun; Kim, young Kwan; Yoon, Seung Soo. J. Nanosci. Nanotechnol . 12, 3455 – 3459, 2012.

 

Efficient Triplet Exciton Confinement of Blue-and White-Organic Light Emitting Diodes Using a New Material. Lee, Seok Jae; Koo, Ja Ryong; Shin, Hyun Su; Han, Wone Keun; Lee, Kum Hee; Yoon, Seung Soo; Kim, Young Kwan. J. Nanosci. Nanotechnol . 12, 4154 – 4158, 2012.

 

Red Phosphorescent organic Light-Emitting Diodes Based on the Simple Structure. Seo, Ji Hyun; Lee, Seok Jae; Kim, Bo, Young; Choi, Eun young; Han, Wone Keun; Lee, Kum Hee; Yoon, Seung Soo; Kim, Young Kwan. J. Nanosci. Nanotechnol. 12, 4190 – 4193, 2012.

 

Trimethylsilane-Containing Donor-Acceptor-Donor Type Material for Red Fluorescent Organic Light-Emitting Diodes. Lee, kum Hee; kim, Young Kwan; Yoon, Seung Soo. J. Nanosci. Nanotechnol . 12, 4203 – 4206, 2012.

 

White Organic Light-Emitting Diodes for Emotion Solid-State Lighting. Seo, Ji Hoon; Lee, Seok Jae; Koo, Ja Ryong; Shin, Hyun Su; Lee, Kum Hee; Yoon, Seung Soo; Kim, Young Kwan. J. Nanosci. Nanotechnol . 12, 4215 – 4218, 2012.

 

Orange-Red Phosphorescent OLEDs Using Iridium ^Ⅲ Complexes with Benzoylphenylpyridine Ligands Containing Fluorine and Trifluoromethyl Groups. Kang, Hyun Ju; Lee, Kum Hee; Kim, Heo Min; Seo, ji Hyun; Kim, Young Kwan; Yoon, Seung Soo. J. Nanosci. Nanotechnol . 12, 4248 – 4251, 2012.

 

Indenofluorene-Based Blue Fluorescent Compounds and Their Application in Highly Efficient Organic Light-Emitting Diodes. Lee, Kum Hee; Kim, Seul Ong; Kang, Sunwoo; Lee, Jin Yong; Yook, Kyoung Soo; Lee, Jun Yeob; Yoon, Seung Soo. Eur. J. Org. Chem. 2012 , 2748 – 2755.

 

Efficient red phosphorescent iridium complexes for organic light-emitting diodes based on 5-benzoyl-2-phenylpyridine ligands with fluorine and methyl moieties. Lee, Kum Hee; Kang, Hyun Ju; Lee, Seok Jae; Kim, Young Kwan; Yoon, Seung Soo. Synthetic Metals 162 (2012) 715 – 721.

 

t-Butyl group-substituted triphenylamine-containing orange-red fluorescent emitters for organic light-emitting diodes . Lee, Kum Hee; Kim, Chi Sik; Kim, Young Kwan; Yoon, Seung Soo. Thin Solid Films 520 (2012) 3946 – 3951.    

 

tert-Butylated spirofluorene derivatives with arylamine groups for highly efficient blue organic light emitting diodes. Lee, Kum Hee; Kim, Seul Ong; You, Jae Nam; Kang, Sunwoo; Lee, Jin Yong; Yook, Kyoung Soo; Jeon, Soon Ok; Lee, Jun Yeob; Yoon, Seung Soo. Journal of Materials Chemistry (2012), 22(11), 5145-5154.

 

Effect of triplet multiple quantum well structures on the performance of blue phosphorescent organic light-emitting diodes. Lee, Seokjae; Koo, Jaryong; Hyung, Gunwoo; Lim, Donghwan; Lee, Donghyung; Lee, Kumhee; Yoon, Seungsoo; Kim, Wooyoung; and Youngkwan Kim. Nanoscale Research Letters 2012, 7:23.

 

Synthesis of Donor-Aromatic-Donor Type π -conjugated Materials and their Application to Red Fluorescent Organic Light-Emitting Diodes. Eun Jae Na; Kum Hee Lee; Young Kwan Kim; Seung Soo Yoon. Molecular Crystals and Liquid Crystals (2012), 563,166-172.

 

Blue Organic Light-Emitting Diodes Containing Anthracene Derivatives With End-Capping Phenyl Group. Heung Soo Jang; Kum Hee Lee; Seok Jae Lee; Young Kwan Kim; Seung Soo Yoon. Molecular Crystals and Liquid Crystals (2012), 563,173-184.

 

Synthesis of Ir(III) Complexes Containing Meta-Carbonylated Phenylpyridine Ligand for Phosphorescent Organic Light-Emitting Diodes. Kum Hee Lee; Jin Soo Hwang; Dong Hoon Chae; Seok Jae Lee; Young Kwan Kim; Seung Soo Yoon. Molecular Crystals and Liquid Crystals (2012), 563,185-194.

 

Blue Organic Light-Emitting Diodes Based on Diarylamino-Substituted Stilbene Derivatives. Sung Min Kwon; Kum Hee Lee; Hyuck Joo Kwon; Young Kwan Kim; Seung Soo Yoon. Molecular Crystals and Liquid Crystals (2012), 563,195-205.

 

Diphenylaminofluorene-Based Donor-Acceptor Molecules for Blue Light-Emitting Diodes. Kum Hee Lee; Suhyun Oh; Seok Jae Lee; Young Kwan Kim; Seung Soo Yoon. Molecular Crystals and Liquid Crystals (2012), 563,206-214.

 

Red Fluorescent 4-(Dicyanomethylene)-2-(1-pentylbicyclo[2,2,2]oct-4-yl)-6-(1,1,2,2,7,7-hexamethyljulolidyl-9-enyl)-4H-pyran (DCHMJPB) for Organic Light-Emitting Diodes (OLEDs). Sung Min Kwon; Kum Hee Lee; Young Kwan Kim; Seung Soo Yoon. Molecular Crystals and Liquid Crystals in press (2012).

 

Red Fluorescent Organic Light-Emitting Diodes (OLEDs) using 4-(1,3-Indanedione-2-yl)-2-(adaman-1-yl)-6-(10-aza-2,3,4,5,6,7-hexahydronaphtio[1,8- gh ]chromen-10(1 H )-one-9-enyl)-4H-pyran. Heung Soo Jang; Kum Hee Lee; Eun Jae Na; Young Kwan Kim; Seung Soo Yoon. Molecular Crystals and Liquid Crystals in press (2012).

 

Synthesis and Electroluminescent Properties of Red Fluorescent 2-(6,8-di-tert-butyl-2-(4-((3,5-di-tert-butylphenyl)(4- (trimethylsilyl)phenyl)amino)styryl)-4H-chromen-4-ylidene)malononitrile (DCCTBPA) for Organic Light-Emitting Diodes (OLEDs) . Eun Jae Na; Kum Hee Lee; Young Kwan Kim; Seung Soo Yoon. Molecular Crystals and Liquid Crystals in press (2012).

 

Synthesis and Electroluminescent Properties of Blue-Light-Emitting Arylene Derivatives End-Capped with Thiophene Groups. Suhyun Oh; Kum Hee Lee ; Seul Ong Kim; Ji Hoon Seo; Young Kwan Kim; Seung Soo Yoon . Molecular Crystals and Liquid Crystals in press (2012).

 

Synthesis and electroluminescent properties of Ir(III) complexes containing alkenyl pyridine ligands. Kum Hee Lee; Dong Hoon Chae; Seok Jae Lee; Young Kwan Kim; Seung Soo Yoon. Molecular Crystals and Liquid Crystals in press (2012).  

 

Highly efficient blue OLEDs based on diphenylaminofluorenylstylrenes end-capped with heterocyclic aromatics. Suhyun Oh; Kum Hee Lee; Young Kwan Kim; Seung Soo Yoon. Materials Research Bulletin in press(2012).

 

 

 

- 2011 -

 

Highly Efficient Red Organic Light-Emitting Diodes Using Methylcyclohexylpyran-Containing Emitters. Lee, Kum Hee; Kim, Young Kwan; Yoon, Seung Soo. Bulletin of the Korean Chemical Society (2011), 32(12), 4419-4422.

 

Blue organic light-emitting diodes with efficient host-dopant energy level alignment. Ji Hoon Seo; Bo Min Seo;    ja Ryong Koo; Kum Hee Lee; Jae Nam You; Seung Soo Yoon; Young Kwan Kim. Current Applied Physics (2011), 11, S356-S358.

 

Highly Efficient Blue Organic Light-Emitting Diodes Based on 2-(Diphenylamino)fluoren-7-ylvinylarene Derivatives that Bear a tert-Butyl Group. Lee, Kum Hee; Kwon, Young Soo; Lee, Jin Yong; Kang, Sunwoo; Yook, Kyoung Soo; Jeon, Soon Ok; Lee, Jun Yeob; Yoon, Seung Soo. Chemistry - A European Journal ( 2011) 17, 12994 – 13006. (20111111)

 

Donor-Acceptor-Donor Type Red Fluorescent Emitters Containing Adamandane-substituted Julolidines for OLEDs . Lee, Kum Hee; Kim, Young Kwan; Yoon, Seung Soo. Bulletin of the Korean Chemical Society (2011), 32(8), 2787-2790.

 

Highly Efficient Blue Light-Emitting Materials Based on Arylamine Substituted DPVBi Derivatives. Oh, Suhyun; Lee, Kum Hee; Seo, Ji Hyun; Kim, Young Kwan; Yoon, Seung Soo. Journal of Nanoscience and Nanotechnology (2011), 11 (8), 7250-7253.

 

Efficient Deep-Blue Organic Light-Emitting Diodes with a 1,4-(dinaphthalen-2-yl)-Naphthalene. Seo, Ji Hoon; Lee, Seok Jae; Hyung, Gun Woo; Lee, Kum Hee; Park, Jung Keun. Journal of Nanoscience and Nanotechnology (2011), 11 (7), 5812-5816.   

 

Efficient White Organic Light-Emitting Diodes with Dual Blue Emitting Layer. Seo, Ji Hoon; Park, Jung Sun; Koo, Ja Ryong; Seo, Bo Min; Lee, Kum Hee; Park, Jeong Keun; Yoon, Seung Soo; Kim, Young Kwan. Molecular Crystals and Liquid Crystals (2011), 550(1), 183-188.

 

An Efficient Red Organic Light-Emitting Diode Using DCJTB Type Emitters Based on Silicone-Containing Julolidine Derivatives. Lee, Kum Hee; Oh, Su Hyun; Park, Min Hye; Kim, Young Kwan; Yoon, Seung Soo. Molecular Crystals and Liquid Crystals (2011), 550(1), 270-277. (20110818)

 

Diphenylaminoarene/Chromene-containing Red Fluorescent Emitters for Organic Light-Emitting Diodes. Lee, Kum Hee; Park, Min Hye; Seo, Bo Min; Seo, Ji Hoon; Kim, Young Kwan; Yoon, Seung Soo. Molecular Crystals and Liquid Crystals (2011), 550(1), 260-269.

 

Synthesis and electroluminescent properties of blue emitting materials based on arylamine-substituted diphenylvinylbiphenyl derivatives for organic light-emitting diodes. Lee, Kum Hee; You, Jae Nam; Won, Jineon; Lee, Jin Yong; Seo, Ji Hoon; Kim, Young Kwan; Yoon, Seung Soo. Thin Solid Films (2011), 520(1), 95-100.     (20111031)

 

Modified 4-(dicyanomethylene)-2-tert-butyl-6-(1,1,7,7-tetra-methyljulolidyl-9-enyl)-4H-pyran-containing red fluorescent emitters for efficient organic light-emitting diodes. Lee, Kum Hee; Park, Min Hye; Kim, Chi Sik; Kim, Young Kwan; Yoon, Seung Soo. Thin Solid Films (2011), 520(1), 510-514. (20111031)

 

Acetylated Phenylpyridine Derived Iridium (III) Complexes for Orange-Red Electrophosphorescent Light-Emitting Diodes. Lee, Kum Hee; Kang, Hyun Ju; Jaelee, Seok; Seo, Ji Hyun; Kim, Young Kwan; Yoon, Seung Soo. Molecular Crystals and Liquid Crystals (2011), 548(1), 256-264. (20110923)

 

Highly efficient blue light-emitting diodes containing spirofluorene derivatives end-capped with triphenylamine/phenylcarbazole. Lee, Kum Hee; Kim, Seul Ong; Yook, Kyoung Soo; Jeon, Soon Ok; Lee, Jun Yeob; Yoon, Seung Soo. Synthetic Metals (2011), 161(17-18), 2024-2030. (2011 )

 

Efficient deep-blue and white organic light-emitting diodes based on triphenylsilane-substituted anthracene derivatives. Lee, Kum Hee; Park, Jeong Keun; Seo, Ji Hoon; Park, Se Won; Kim, Young Sik; Kim, Young Kwan; Yoon, Seung Soo. Journal of Materials Chemistry (2011), 21(35), 13640-13648. (20110808)

 

2-Diphenylaminofluoren-7-ylstyrene Derivatives with Various Aromatic End-Capping Groups for Highly Efficient Blue and White Organic Light-Emitting Diodes. Lee, Kum Hee; Son, Chang Seok; Lee, Jin Yong; Kang, Sunwoo; Yook, Kyoung Soo; Jeon, Soon Ok; Lee, Jun Yeob; Yoon, Seung Soo. European Journal of Organic Chemistry (2011), 2011(25), 4788-4798 (20110711)

 

Highly efficient red phosphorescent Ir(III) complexes for organic light- emitting diodes based on aryl(6-arylpyridin-3-yl)methanone ligands. Kang, Hyun Ju; Lee, Kum Hee; Lee, Seok Jae; Seo, Ji Hyun; Kim, Young Kwan; Yoon, Seung Soo. Thin Solid Films (2011), 519(19), 6544-6549.

 

Efficient Red Organic Light-Emitting Diodes Using 2-(2-(4-Pentylbicyclo[2.2.2]octan-1-yl)-6-(2-(1,1,7-trimethyl-7-triphenysiliyllethyl-1,2,3,5,6,7-hexahydropyrido[3,2,1-ij]quinolin-9-yl)vinyl)-4H-pyran-4-ylidene)malononitrile as a Fluorescent Red Emitter. Seo, Bo Min; Seo, Ji Hoon; Kim, JunHo; Park, Jung Sun; Lee, Kum Hee; Park, Min Hye; Yoon, Seung Soo; Kim, Young Kwan. Molecular Crystals and Liquid Crystals (2011), 550(1), 233-239.   

 

Synthesis and Electroluminescent Properties of t-Butylated 2-(2-(4-(Diarylamino)styryl)-4H-chromen-4-ylidene)malononitrile Derivatives for OLED . Lee, Kum Hee; Hwang, Jin Soo; Park, Min Hye; Kwon, Hyuck Joo; Kim, Young Kwan; Yoon, Seung Soo. Molecular Crystals and Liquid Crystals (2011), 550(1), 250-259

 

Cyclometalated iridium(III) complexes with 5-acetyl-2-phenypyridine derived ligands for red phosphorescent OLEDs. Kum Hee Lee, Hyun Ju Kang, Seok Jae Lee, Ji Hyun Seo, Young Kwan Kim, ∗ , Seung Soo Yoon. Synthetic Metals (2011), 161, 1113 – 1121.

 

Efficient Deep-Blue Organic Light-Emitting Diodes. Seo, Ji Hoon; Park, Jung Sun; Seo, Bo Min; Han, Wone Keun; Lee, Kum Hee; Park, Jeong Keun; Yoon, Seung Soo; Kim, Young Kwan. Molecular Crystals and Liquid Crystals (2011), 538, 84-90.

 

Improvement of Mixed Electron Transport Structure Red Phosphorescent Organic Light-Emitting Diodes. Kim, Hoe Min; Seo, Ji Hyun; Han, Wone Keun; Lee, Kum Hee; Kang, Hyun Ju; Yoon, Seung Soo; Kim, Young Kwan. Molecular Crystals and Liquid Crystals (2011), 538, 53-60.

 

Solution Processed Red Phosphorescent Organic Light-Emitting Diodes with Green Phosphorescent Ir Sensitizer. Seo, Ji Hyun; Choi, Eun Young; Kim, Hoe Min; Kim, Young Kwan; Kim, Seul Ong; Lee, Kum Hee; Yoon, Seung Soo; Je, Jong-Tae. Molecular Crystals and Liquid Crystals (2011), 538, 91-97.

 

High Efficiency Phosphorescent Blue Organic Light-Emitting Diodes Using Double Emitting Layer. Jung Sun Park; Ji Hoon Seo; Ja Ryong Koo; Bo Min Seo; Kum Hee Lee; Seung Soo Yoon; ; Young Kwan Kim. Journal of Nanoscience and Nanotechnology (2011), 11, 4488-4491.

 

5-Isobutyryl-2-Phenylpyridine-Derived Iridium Complexes for Red Phosphorescent Light-Emitting Diodes. Kum Hee Lee; Seul Ong Kim; Ji Hyun Seo; Young Kwan Kim; Seung Soo Yoon. Journal of Nanoscience and Nanotechnology (2011), 11, 4471-4475.

 

Highly Efficient Blue Light-Emitting Diodes Based on Diarylanthracene/Triphenylsilane Compounds. Jeong Keun Park; Kum Hee Lee; Jung Sun Park; Ji Hoon Seo; Young Kwan Kim; Seung Soo Yoon. Journal of Nanoscience and Nanotechnology (2011), 11, 4357 – 4362.

 

Synthesis and Characterization of 9,9'-Diethyl-2-diphenylaminofluorene Derivatives as Blue Fluorescent Materials for OLEDs. Suhyun Oh; Kum Hee Lee; Ji Hoon Seo; Young Kwan Kim; Seung Soo Yoon. Bulletin of the Korean Chemical Society (2011), 32(5), 1593-1598.

 

Red Fluorescent 4-(Dicyanomethylene)-2-norbonenyl-6-(1,1,7,7-tetramethyljulolidyl- 9-enyl)-4 H -pyran (DCJNB) for Organic Light-Emitting Diodes (OLEDs). Kum Hee Lee; Young Kwan Kim; Seung Soo Yoon. Bulletin of the Korean Chemical Society (2011), 32(4), 1391-1394.

 

Codoped spacer ratio effect of hybrid white organic light-emitting diodes. Ji Hoon Seo; Jung Sun Park; Seok Jae Lee; Bo Min Seo; Kum Hee Lee; Jung Keun Park ; Seung Soo Yoon; Young Kwan Kim. Current Applied Physics (2011), 11, 564 - 567

 

Efficient white organic light-emitting diodes with mixed electron transporting layers . Seo Ji Hoon; Park Jung Sun; Lee Suk Jae; Seo Bo Min; Lee, Kum Hee; Park, Jung Keun; Yoon, Seung Soo; Kim, Young Kwan. Journal of Mechanical Science and Technology (2011) , 25(1), 17-19   

 

Pyridine/isoquinoline-carbazole containing bipolar host materials for green phosphorescent organic light-emitting diodes. Lee, Kum Hee; Kang, Hyun Ju; Kim, Heo Min; Seo, Ji Hyun; Kim, Young Kwan; Yoon, Seung Soo. Journal of Nanoscience and Nanotechnology (2011), 11(2), 1499 -1502.

 

Modified DCM-type materials for red fluorescent organic light-emitting diodes. Lee, Kum Hee; Park, Min Hye; Kim, Jeong Yeon; Kim, Sung Min; Seo, Bo Min; Seo, Ji Hoon; Kim, Young Kwan; Yoon, Seung Soo. Journal of Nanoscience and Nanotechnology (2011), 11(2), 1484-1488. 

 

Efficient phosphorescent green and red organic light-emitting diodes based on the novel carbazole-type host material. Seo, Ji Hyun; Kim, Hoe Min; Choi, Eun Young; Choi, Dae Hyuk; Park, Jung Hwan; Lee, Kum Hee; Yoon, Seung Soo; Kim, Young Kwan. Journal of Nanoscience and Nanotechnology (2011), 11(2), 1373-1376.

 

Highly efficient green phosphorescent organic light-emitting diodes with high electron mobility. Choi, Eun Young; Seo, Ji Hyun; Kim, Heo Min; Lee, Kum Hee; Kang, Hyun Ju; Yoon, Seung Soo; Kim, Young Kwan. Japanese Journal of Applied Physics (2011), 50(1, Pt. 3), 01BC07/1-01BC07/3.

 

 

 

- 2010 -

 

Highly Efficient Red Phosphorescent OLEDs Based on Ir(III) Complexes with Fluorine-substituted Benzoylphenylpyridine Ligand. Hyun Ju Kang; Kum Hee Lee; Suk Jae Lee; Ji Hyun Seo; Young Kwan Kim; Seung Soo Yoon.    Bulletin of the Korean Chemical Society (2010), 31(10), 3711-3717.

 

Red fluorescent organic light-emitting diodes using modified pyran-containing DCJTB derivatives. Lee, Kum Hee; Kim, Sung Min; Kim, Jeong Yeon; Kim, Young Kwan; Yoon, Seung Soo . Bulletin of the Korean Chemical Society (2010), 31(10), 2884-2888.

 

Synthesis and Electroluminescent Properties of Blue Fluorescent Triphenylamine Substituted Anthracene Derivatives for OLEDs. Lee, Kum Hee; You, Jae Nam; Kwon, Hyuck Joo; Kim, Young Kwan; Yoon, Seung Soo. Molecular Crystals and Liquid Crystals (2010), 530, 48/[204]-55/[211].

 

Blue-Light-Emitting Bis(diarylamino)stilbene Derivatives: Synthesis, Photophysical Properties, and Highly Efficient OLEDs. Kim, Seul Ong; Lee, Kum Hee; Kwon, Hyuck Joo; Kim, Young Kwan; Yoon, Seung Soo. Molecular Crystals and Liquid Crystals (2010), 530, 40/[196]-47/[203].

 

Red Phosphorescent Iridium(III) Complexes Containing 5-Benzoyl-2-phenylpyridine Derived Ligands with Electron-Donating/-Withdrawing Moieties for Organic Light-Emitting Diodes. Lee, Kum Hee; Kang, Hyun Ju; Kim, Seul Ong; Lee, Suk Jae; Seo, Ji Hyun; Kim, Young Kwan; Yoon, Seung Soo. Molecular Crystals and Liquid Crystals (2010), 530, 30/[186]-39/[195].

 

Highly Efficient Phosphorescent Green Organic Light-Emitting Diodes with High Energy Gap Host Materials. Kim, Hoe Min; Seo, Ji Hyun; Lee, Kum Hee; Kang, Hyun Ju; Yoon, Seung Soo; Kim, Young Kwan. Molecular Crystals and Liquid Crystals (2010), 530, 83/[239]-90/[246].

 

Highly efficient phosphorescent blue organic light-emitting diodes based on double-emitting layer. Park, Jung Sun; Seo, Ji Hoon; Seo, Bo Min; Koo, Ja Ryong; Lee, Kum Hee; Yoon, Seung Soo; Kim, Young Kwan. Molecular Crystals and Liquid Crystals (2010), 531, 21-26.

 

Small molecular reddish-white light emitting electrophosphorescent devices with solution processed emission layer. Seo, Ji Hyun; Jin, You Young; Choi, Eun Young; Kim, Hoe Min; Kim, Jun Ho; Je, Jong-Tae; Kang, Hyun Ju; Lee, Kum Hee; Yoon, Seung Soo; Kim, Young Kwan. Molecular Crystals and Liquid Crystals (2010), 531, 27-32.

 

Highly efficient blue light-emitting diodes using new fluorescent host materials based on naphthalenes. Park, Jeong Keun; Lee, Kum Hee; Park, Jung Sun; Seo, Ji Hoon; Kim, Young Kwan; Yoon, Seung Soo. Molecular Crystals and Liquid Crystals (2010), 531, 55-64.

 

White organic light-emitting diodes showing nearly 100% internal quantum efficiency Ji Hoon Seo, Seok Jae Lee, Bo Min Seo, Se Jin Moon, Kum Hee Lee, Jung Keun Park, Seung Soo Yoon, Young Kwan Kim, Organic Electronics (2010), 11 1759 – 1766.

 

Codoped Spacer Ratio Effect on Electroluminescence Characteristics of Hybrid White Organic Light-Emitting Diodes for Reduced Efficiency Roll-Off Ji Hoon Seo, Jung Sun Park, Seok Jae Lee, Bo Min Seo, Kum Hee Lee, Jung Keun Park, Seung Soo Yoon, and Young Kwan Kim , Japanese Journal of Applied Physics (2010), 49, 090203.

 

High-efficiency deep-blue organic light-emitting diodes using dual-emitting layer    Seo, Ji Hoon; Lee, Kum Hee; Seo, Bo Min; Koo, Ja Ryong; Moon, Se Jin; Park, Jung Keun; Yoon, Seung Soo; Kim, Young Kwan, Organic Electronics (2010), 11(10), 1605-1612.

 

Phosphorescent organic light-emitting diodes with simplified device architecture    Seo, Ji Hyun; Kim, Hoe Min; Choi, Eun Young; Choi, Dae Hyuk; Park, Jung Hwan; Yoo, Han Seong; Kang, Hyun Ju; Lee, Kum Hee; Yoon, Seung Soo; Kim, Young Kwan, Japanese Journal of Applied Physics (2010), 49(8, Pt. 2), 08JG04/1-08JG04/4.

 

Color stability and high efficiency of white phosphorescent organic light-emitting diodes with suitable position of phosphorescent red emitter Park, Jung Sun; Seo, Ji Hoon; Koo, Ja Ryong; Seo, Bo Min; Lee, Kum Hee; Park, Jeong Keun; Yoon, Seung Soo; Kim, Young Kwan, Japanese Journal of Applied Physics (2010), 49(8, Pt. 2), 08JG03/1-08JG03/3. 

 

Modified julolidine-containing emitters for red organic light-emitting diodes Lee, Kum Hee; Park, Min Hye; Kim, Sung Min; Kim, Young Kwan; Yoon, Seung Soo, Japanese Journal of Applied Physics (2010), 49(8, Pt. 2), 08JG02/1-08JG02/4.

 

Hybrid white organic light-emitting diodes with reduced efficiency roll-off Seo, Ji Hoon; Park, Jung Sun; Koo, Ja Ryong; Seo, Bo Min; Lee, Kum Hee; Park, Jeong Keun; Yoon, Seung Soo; Kim, Young Kwan, Japanese Journal of Applied Physics (2010), 49(8, Pt. 2), 08JG01/1-08JG01/3.

 

Synthesis and electroluminescent properties of blue-emitting t-butylated bis(diarylaminoaryl)anthracenes for OLEDs Lee, Kum Hee; You, Jae Nam; Kang, Sunwoo; Lee, Jun Young; Kwon, Hyuk Joo; Kim, Young Kwan; Yoon, Seung Soo, Thin Solid Films (2010), 518(22), 6253-6258. 

 

Efficient orange-red organic light-emitting diodes using 9,10-bis[4-(di-4-tert-butylphenylamino)styryl] anthracene as a fluorescent orange-red emitter Seo, Bo Min; Seo, Ji Hoon; Kim, Jun Ho; Park, Jung Sun; Lee, Kum Hee; Park, Min Hye; Yoon, Seung Soo; Kim, Young Kwan, Thin Solid Films (2010), 518(22), 6214-6218. 

 

Red-phosphorescent OLEDs employing iridium (III) complexes based on 5-benzoyl-2-phenylpyridine derivatives    Lee, Kum Hee; Kang, Hyun Ju; Park, Jeong Keun; Seo, Ji Hyun; Kim, Young Kwan; Yoon, Seung Soo, Thin Solid Films (2010), 518(22), 6188-6194. 

 

Efficient triplet exciton confinement of white organic light-emitting diodes using a heavily doped phosphorescent blue emitter Lee, Seok Jae; Seo, Ji Hoon; Kim, Jun Ho; Kim, Hoe Min; Lee, Kum Hee; Yoon, Seung Soo; Kim, Young Kwan, Thin Solid Films (2010), 518(22), 6184-6187. 

 

Molecular Engineering of Blue Fluorescent Molecules Based on Silicon End-Capped Diphenylaminofluorene Derivatives for Efficient Organic Light-Emitting Materials. Lee, Kum Hee; Kang, Lee Kyung; Lee, Jin Yong; Kang, Sunwoo; Jeon, Soon Ok; Yook, Kyoung Soo; Lee, Jun Yeob; Yoon, Seung Soo, Advanced Functional Materials    (2010),    20(8),    1345-1358.

 

Highly efficient blue-emitting materials based on 10-naphthylanthracene derivatives for OLEDs. Park, Jeong Keun; Lee, Kum Hee; Kang, Sunwoo; Lee, Jin Yong; Park, Jung Sun; Seo, Ji Hoon; Kim, Young Kwan; Yoon, Seung Soo. Organic Electronics    (2010), 11(5),    905-915.

 

Blue electroluminescent materials based on 2,7-distyrylfluorene for organic light-emitting diodes. Lee, Kum Hee; Kang, Lee Kyung; Kwon, Young Soo; Lee, Jin Yong; Kang, Sunwoo; Kim, Gu Young; Seo, Ji Hoon; Kim, Young Kwan; Yoon, Seung Soo. Thin Solid Films (2010), 518(18), 5091-5097.

 

A highly efficient deep blue fluorescent OLED based on diphenylaminofluorenylstyrene-containing emitting materials. Kim, Seul Ong; Lee, Kum Hee; Kim, Gu Young; Seo, Ji Hoon; Kim, Young Kwan; Yoon, Seung Soo. Synthetic Metals (2010), 160(11-12), 1259-1265.

 

Ratio effect of codoped spacer on electroluminescent characteristics of hybrid white organic light-emitting diodes. Seo, Ji Hoon; Park, Jung Sun; Koo, Ja Ryong; Lee, Suk Jae; Seo, Bo Min; Lee, Kum Hee; Park, Jung Keun; Yoon, Seung Soo; Kim, Young Kwan Japanese Journal of Applied Physics    (2010),    49(4, Pt. 1),    042104/1-042104/3.

 

Ultra Simple Fluorescent White Organic Light-Emitting Diodes Using Fluorescent Green-Yellow Emitter and Blue Host. Seo, Ji Hoon; Park, Jung Sun; Kim, Jun Ho; Lee, Kum Hee; Kim, Jung Yeon; Yoon, Seung Soo; Kim, Young Kwan.    Molecular Crystals and Liquid Crystals (2010), 520, 359-365.

 

Synthesis and electrophosphorescent properties of iridium complexes based on 2-fluorenylquinoline derivatives. Lee, Kum Hee; Lee, Woochul; Kim, Min Kyu; Seo, Ji Hyun; Kim, Young Kwan; Yoon, Seung Soo. Thin Solid Films (2010), 518(14), 3972-3977.

 

Highly efficient blue-light-emitting diodes based on styrylamine derivatives end-capped with a diphenylvinyl group. Kim, Seul Ong; Lee, Kum Hee; Kang, Sunwoo; Lee, Jin Yong; Seo, Ji Hoon; Kim, Young Kwan; Yoon, Seung Soo. Bulletin of the Korean Chemical Society (2010), 31(2), 389-396.

 

Highly efficient blue fluorescent materials based on fluorene derivatives end-capped with arylaminofluorenylethylenes for organic light-emitting diodes. Lee, Kum Hee; Park, Jeong Keun; Kim, Gu Young; Seo, Ji Hoon; Kim, Young Kwan; Yoon, Seung Soo. Journal of Nanoscience and Nanotechnology (2010), 10(5), 3289-3293.

 

Fluorenylpyridine-derived iridium complexes for electrophosphorescent light-emitting diodes. Lee, Kum Hee; Kim, Jin Ho; Seo, Ji Hyun; Kim, Young Kwan; Yoon, Seung Soo. Journal of Nanoscience and Nanotechnology (2010), 10(5), 3193-3197.

 

 

 

- 2009 -

 

Blue organic light-emitting materials based on diphenylaminofluorene and N-phenylcarbazole derivatives. Lee, Kum Hee; Kwon, Young Soo; Kang, Lee Kyung; Kim, Gu Young; Seo, Ji Hoon; Kim, Young Kwan; Yoon, Seung Soo.      Synthetic Metals (2009), 159(23-24), 2603-2608.

 

The Structure Optimization of White Organic Light-Emitting Diodes for High Efficiency. Seo, Ji Hoon; Kim, Gu Young; Park, Jung Sun; Lee, Kum Hee; Yoon, Seung Soo; Kim, Young Kwan. Molecular Crystals and Liquid Crystals (2009), 513 205-213.   

 

Asymmetric Monotriphenylamine-Substituted Anthracenes for Blue-Organic Light-Emitting Diodes. Lee, Kum Hee; Kim, Jin Ho; Kim, Gu Young; Seo, Ji Hoon; Kim, Young Kwan; Yoon, Seung Soo.      Molecular Crystals and Liquid Crystals (2009), 513, 246-255.

 

Highly efficient green-emitting electrophosphorescent iridium complexes with enhanced steric hindrance. Lee, Kum Hee; Seo, Ji Hyun; Kim, Young Kwan; Yoon, Seung Soo. Journal of Nanoscience and Nanotechnology (2009), 9(12), 7099-7103.

 

Synthesis and electroluminescence of blue fluorescent diarylaminofluorene derivatives for organic light-emitting diodes.            Kwon, Young Soo; Lee, Kum Hee; Kim, Gu Young; Seo, Ji Hoon; Kim, Young Kwan; Yoon, Seung Soo. Journal of Nanoscience and Nanotechnology (2009), 9(12), 7056-7060.

 

A spacer effect on electroluminescent characteristics of white organic light-emitting diodes. Seo, Ji Hoon; Kim, Gu Young; Park, Jung Sun; Lee, Kum Hee; Yoon, Seung Soo; Kim, Young Kwan.    Journal of Nanoscience and Nanotechnology (2009), 9(12), 7052-7055.

 

Highly efficient deep-blue phosphorescent organic light-emitting diodes using iridium(III) bis[(5-cyano-4-fluorophenyl)pyridinato-N,C2']picolinate as an emitter.            Seo, Ji Hoon; Kim, Gu Young; Kim, Jun Ho; Park, Jung Sun; Seo, Bo Min; Lee, Kum Hee; Yoon, Seung Soo; Kim, Young Kwan. Japanese Journal of Applied Physics (2009), 48(8, Pt. 1), 082103/1-082103/3.

 

High efficiency pure white organic light-emitting diodes using a diphenylaminofluorene-based blue fluorescent material. Yook, Kyoung Soo; Jeon, Soon Ok; Lee, Jun Yeob; Lee, Kum Hee; Kwon, Young Soo; Yoon, Seung Soo; Yoon, Ji Hwan. Organic Electronics (2009), 10(7), 1378-1381.

 

High-efficiency white organic light-emitting diodes using codoped blue-light-emitting layers with different functional materials. Seo, Ji Hoon; Kim, Gu Young; Koo, Ja Ryong; Hyung, Gun Woo; Lee, Kum Hee; Kim, Jin Ho; Yoon, Seung Soo; Kim, Young Kwan.   Japanese Journal of Applied Physics (2009), 48(5, Pt. 1), 052104/1-052104/4.

 

 

 

- 2008 -

 

High-efficient white organic light-emitting diodes using the two different blue fluorescent emitters. Seo, Ji Hoon; Lee, Kum Hee; Yoon, Seung Soo; Kim, Young Kwan. Journal of Nanoscience and Nanotechnology (2008), 8(10), 5085-5089.

 

The effects of two spacers on white organic light-emitting diodes. Seo, Ji Hoon; Kim, Jun Ho; Kim, Woo Young; Lee, Kum Hee; Yoon, Seung Soo; Kim, Young Kwan. Journal of Nanoscience and Nanotechnology    (2008), 8(9),    4584-4587.

 

Electroluminescent characteristics of white organic light-emitting diodes using two different red dopants. Seo, Ji Hoon; Hyung, Gun Woo; Kwon, Hyuck Joo; Lee, Kum Hee; Yoon, Seung Soo; Kim, Young Kwan. Journal of Physics and Chemistry of Solids (2008), 69(5~6), 1310-1313.

 

Hybrid spacer for high-efficiency white organic light-emitting diodes. Seo, Ji Hoon; Park, Il Houng; Kim, Gu Young; Lee, Kum Hee; Kim, Min Kyu; Yoon, Seung Soo; Kim, Young Kwan.    Applied Physics Letters (2008), 92(18), 183303/1-183303/3.