Electronic materials and devices
High efficiency blue organic light-emitting diodes
Highly efficient organic light-emitting materials
Education
(Ph.D.) Seoul National University, 1998
(MS) Seoul National University, 1995
(BS) Seoul National University, 1993
Experience
Postdoc (Rensselaer Polytechnic Institute, 1998-1999)
Principal Researcher, Samsung SDI (1999-2005)
Professor, Dankook University (2005-2015)
Journal Articles
(2026)
Dual core host engineering for high efficiency phosphorescent OLED through phosphor sensitized phosphorescence strategy.
DYES AND PIGMENTS.
251,
(2026)
A tetradentate Pt(II) complex bearing a sterically hindered (triphenylsilyl)phenyl group for efficient green phosphorescent organic light-emitting diodes.
Dyes and Pigments.
246,
(2026)
Bicarbazole Derived High Triplet Energy P-type Host for Blue Thermally Activated Delayed Fluorescence Organic Light-Emitting Diodes.
ADVANCED OPTICAL MATERIALS.
14,
11
(2026)
Multiscale model assessing förster and dexter energy transfer rates in phosphor-sensitized fluorescent organic-light emitting diodes.
CHEMICAL ENGINEERING JOURNAL.
530,
(2026)
A Novel Design Strategy for Benzo[b]Thiophene Substituted Multiple Resonance Type Blue Fluorescent Dopant With Maximized Efficiency and Super-Narrow FWHM.
ADVANCED MATERIALS.
38,
15
(2026)
Rational molecular design of narrow-emitting blue emitters for spatially isolating singlet and triplet emission in a multiple-resonance structure using benzofuro[3,2-b]indole.
Chemical Engineering Journal.
527,
(2025)
Stepwise Emission Tuning of Thermally Activated Delayed Fluorescence Emitters from the Orange to Near-Infrared Region by Rational Molecular Design.
ORGANIC LETTERS.
27,
46
(2025)
Pyridocarbene-Based Tetradentate Pt(II) Complexes for Long Device Lifetime over 500 h in Blue Phosphorescent Organic Light-Emitting Diodes.
ADVANCED MATERIALS.
37,
44
(2025)
A streamlined steric-shielding approach toward efficient narrowband (FWHM ∼ 18 nm) ultra-violet emitters for OLEDs.
CHEMICAL COMMUNICATIONS.
61,
92
(2025)
Highly Efficient Narrow-Emitting Circularly Polarized Organic Light-Emitting Diode with an Intramolecular Sensitization Mechanism by Through-Space Energy Transfer.
ADVANCED MATERIALS.
38,
8
(2025)
Strategic pyrimidine functionalization of tetradentate Pt(II) complexes for high-performance deep-blue organic light-emitting diodes.
CHEMICAL ENGINEERING JOURNAL.
523,
(2025)
Deactivation of Interfacial Recombination Center for Thermally Stable Perovskite Solar Cells.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY.
147,
41
(2025)
Boron- and Oxygen-Doped π-Extended Nanographene: An Emitting Material for Organic Light-Emitting Diodes.
ADVANCED OPTICAL MATERIALS.
13,
28
(2025)
Overcoming the 5% EQE ceiling in deep-blue fluorescent OLEDs with hybridized local and charge transfer featured phenanthroimidazole-carbazole emitters.
JOURNAL OF MATERIALS CHEMISTRY C.
13,
40
(2025)
A deep learning model for inferring the reverse intersystem crossing rate of TADF organic light-emitting diodes, overcoming the uncertainty of recombination dynamics.
MATERIALS HORIZONS.
13,
1
(2025)
High-permanent dipole moment sensitizers as key to anticharge trapping of terminal dopant in highly efficient phosphor-sensitized fluorescence systems.
MATERIALS TODAY.
88,
(2025)
Simultaneous Determination of Transition Dipole Moment Orientation and Refractive Index in Morphologically Non-Uniform Nanoscale Films.
ADVANCED OPTICAL MATERIALS.
14,
2
Patent/Intellectual Property
유기발광소자.
10-2020-0017292.
20201229.
KOREA, REPUBLIC OF
헤테로고리 화합물 및 이를 포함하는 유기 발광 소자.
10-2019-0016643.
20201027.
KOREA, REPUBLIC OF
신규한 화합물 및 이를 포함하는 유기 발광 소자.
10-2018-0114820.
20201026.
KOREA, REPUBLIC OF
유기 발광 소자.
10-2016-0122411.
20200821.
KOREA, REPUBLIC OF
지연 형광 재료 및 이를 포함하는 유기 발광 소자(DELAYED FLUORESCENCE MATERIAL AND ORGANIC LIGHT EMITTING DEVICE COMPRISING THE SAME).
10-2144-1740000.
20200806.
KOREA, REPUBLIC OF
유기 발광 소자.
10-2018-0133594.
20200713.
KOREA, REPUBLIC OF
화합물 및 이를 포함하는 유기 발광 소자.
10-2018-0126109.
20200602.
KOREA, REPUBLIC OF
신규한 화합물 및 이를 포함하는 유기 발광 소자.
10-2019-0001263.
20200511.
KOREA, REPUBLIC OF
신규한 화합물 및 이를 포함하는 유기 발광 소자.
10-2018-0169598.
20200416.
KOREA, REPUBLIC OF
함질소 고리 화합물 및 이를 포함하는 유기 발광 소자(COMPOUND CONTAINING NITROGEN AND ORGANIC LIGHT EMITTING DEVICE COMPRISING THE SAME).
10-2102-0420000.
20200410.
KOREA, REPUBLIC OF
유기 발광 장치.
10-2019-0018923.
20200408.
KOREA, REPUBLIC OF
지연형광 재료 및 이를 포함하는 유기 발광장치(DELAYED FLUORESCENCE MATERIAL AND ORGANIC LIGHT EMITTING DEVICE HAVING THE DELAYED FLUORESCENCE MATERIAL).
10-2071-2270000.
20200401.
KOREA, REPUBLIC OF
유기 발광 소자 발광층 재료 및 이를 포함하는 유기 발광 소자(MATERIAL FOR EMITTING LAYER OF ORGANIC LIGHT EMITTING DEVICE AND ORGANIC LIGHT EMITTING DEVICE COMPRISING THE MATERIAL).
10-2087-1540000.
20200310.
KOREA, REPUBLIC OF
화합물 및 이를 포함하는 유기 발광 소자.
10-2018-0132914.
20200203.
KOREA, REPUBLIC OF
지연 형광 재료 및 이를 포함하는 유기 발광 소자(DELAYED FLUORESCENCE MATERIAL AND ORGANIC LIGHT EMITTING DEVICE COMPRISING THE SAME).
10-2068-4150000.
20200120.
KOREA, REPUBLIC OF
지연형광 재료 및 이를 발광층의 호스트 재료 또는 도펀트 재료로 포함하는 유기발광장치(DELAYED FLUORESCENCE MATERIAL AND ORGANIC LIGHT EMITTING DEVICE HAVING THE DELAYED FLUORESCENCE MATERIAL AS A HOST MATERIAL OR A DOPANT MATERIAL IN LIGHT EMITTING LAYER OF THE ORGANIC LIGHT EMITTING DEVICE).
10-1985-5880000.
20190529.
KOREA, REPUBLIC OF
지연형광 재료 및 이를 포함하는 유기 발광장치.
10-2016-0143276.
20190415.
KOREA, REPUBLIC OF
지연형광 재료 및 이를 포함하는 유기 발광장치.
10-2016-0137574.
20190307.
KOREA, REPUBLIC OF
상온인광특성을 갖는 도펀트 조성물 및 이를 포함하는 인광 유기발광소자.
10-2017-0135051.
20181219.
KOREA, REPUBLIC OF
유기 광전자소자 및 표시장치.
10-2015-0068121.
20181211.
KOREA, REPUBLIC OF
Honors / Awards
UDC Award (2021, 2020, 2018)
Conference Paper
(2019)
Device strategy of high efficiency and long lifetime deep blue organic light emitting diodes.
IMID.
KOREA, REPUBLIC OF
(2019)
Highly efficient deep blue phosrescent organic light-emiting diodes with lifetime over 10,000 h based on electroplex host.
IMID.
KOREA, REPUBLIC OF
(2018)
Host and emitters for high efficiency blue organic light-emitting diodes.
Asian Conference on Organic Electronics.
HONG KONG
(2018)
Highly efficient blue thermally activated delayed fluorescent emitters with high horizontal orientation.
ICEL 2018 Proceeding.
KOREA, REPUBLIC OF
(2018)
Synthesis of triazine based green thermally activated delayed fluorescent materials for highly efficient organic light-emitting diodes.
IMID 2018.
KOREA, REPUBLIC OF
(2018)
Electron transport type exciton blocking materials derived from trisdibenzofuran for blue phosphorescent organic light-emitting diodes.
IMID 2018.
KOREA, REPUBLIC OF
(2018)
Engineering host materials for high efficiency and long operational lifetime in blue phosphorescent organic light-emitting diodes.
SID 2018.
UNITED STATES
(2018)
Geometry control and chemical bond stabilization of thermally activated delayed fluorescent emitter to ge extended lifetime in TADF OLEDs.
SID 2018.
UNITED STATES
(2018)
High triplet energy exciplex forming hole type host for high performance in deep blue phosphorescent organic light-emitting diodes.
SID 2018.
UNITED STATES
(2018)
Modulation of dibenzothiophene and carbazole moieties in host material toward high performance blue phosphorescent OLEDs.
SID 2018.
UNITED STATES
(2018)
Molecular design of sensitizer for high efficiency in hyper-fluorescnet organic light-emitting diodes.
SID 2018.
JAPAN
(2018)
Synthesis of reverse intersystem crossing facilitating host material for high efficiency in red thermally activated delayed fluorescent organic light-emitting diodes.
SID 2018.
UNITED STATES
(2017)
Development of solution processed blue TADF device with above 25% external quantum efficiency using a solubility enhanced host material.
The 17th IMID.
KOREA, REPUBLIC OF
(2017)
Triplet exciton bypass filter for superb operational stability of phosphorescent organic light-emimtting diodes.
The 17th IMID.
KOREA, REPUBLIC OF
(2017)
Molecular engineering of host and emitters for blue thermally activated delayed fluorescent devices.
2nd international TADF workshop.
JAPAN
(2016)
Molecular design approaches for improved lifetime in blue organic light emitting diodes.
The 8th Asian Conference on Organic Electronics.
JAPAN
(2016)
Molecular design approaches of blue thermally activated delayed fluorescent emitters.
11th international conference of electroluminescence and optoelectronic devices.
UNITED STATES
(2016)
Molecular design approach of highly efficienct donor-acceptor type emitters.
IMID 2016.
KOREA, REPUBLIC OF
(2016)
Synthesis and device performances of high triplet energy electron transport materials.
SID 2016.
UNITED STATES
(2015)
Molecular design of high efficiency thermally activated delayed fluorescent emitters.
International display workshop 2015.
JAPAN
