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Hee-Yeon Kim

Hee-Yeon Kim, Yongin-City KR

Patent application numberDescriptionPublished
20100038633Organic light emitting diode - Provided is an organic light emitting diode including: a first electrode; a second electrode; an organic layer between the first electrode and the second electrode; and a luminous efficiency improvement layer disposed on a surface of the first electrode facing away from the organic layer or a surface of the second electrode facing away from the organic layer, wherein the luminous efficiency improvement layer includes a porphyrazin derivative, a phthalocyanine derivative, a naphthalocyanine derivative, or a combination of at least two compounds of the foregoing.02-18-2010
20100039026Organic light emitting diode employing luminescent efficiency improvement layer - Provided is an organic light emitting diode employing a luminescent efficiency improvement layer containing a compound represented by Formula 1 below:02-18-2010
20100039029Organic Light Emitting Diode Including Light-Efficiency-Improvement Layer - An organic light emitting diode is disclosed, and includes a light-efficiency-improvement layer containing a compound represented by Formula 1:02-18-2010
20110084254POLYMER AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME - A polymer and an organic light-emitting device including the polymer. An example of the polymer is04-14-2011
20110084256CONDENSED-CYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DIODE INCLUDING ORGANIC LAYER CONTAINING THE CONDENSED-CYCLIC COMPOUND - A condensed-cyclic compound represented by Formula 1 below and an organic light emitting diode including the condensed-cyclic compound:04-14-2011

Hee-Yeon Kim, Suwon-Si KR

Patent application numberDescriptionPublished
20080226945IMIDAZOPYRIMIDINE-BASED COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE EMPLOYING ORGANIC LAYER INCLUDING THE SAME - Imidazopyrimidine-based compounds and organic light-emitting devices employing organic layers including the imidazopyrimidine-based compounds are provided. Organic light-emitting devices employing organic layers including the imidazopyrimidine-based compounds feature low driving voltages, high efficiency, high brightness, long lifetimes, and low power consumption.09-18-2008
20080311427Organometallic complex, method of preparing the same and organic light emitting device comprising the same - An organometallic complex for an organic light emitting device represented by formula 1, a method of preparing the same and an organic light emitting device including the same:12-18-2008
20090153035Heteroaromatic cycle-containing compound, method of preparing the same and organic light emitting device comprising the same - Provided are a heteroaromatic cycle-containing compound used for an organic light emitting diode, represented by Formula 1:06-18-2009
20090256473BIPYRIDINE-BASED COMPOUND AND ORGANIC LIGHT EMITTING DIODE EMPLOYING ORGANIC LAYER COMPRISING THE SAME - The invention is directed to bipyridine-based compound and organic light emitting diodes (OLED) including organic layers having the bipyridine-based compound. OLEDs including organic layers having the bipyridine-based compounds can have low driving voltages, high current densities, high efficiencies and long lifetimes.10-15-2009
20090278451Triarylamine-based compound, method of preparing the same, and organic light emitting device using the triarylamine-based compound - A triarylamine-based compound of formula 1, a method of preparing the same, and an organic light emitting device including the triarylamine-based compound of formula 1:11-12-2009

Patent applications by Hee-Yeon Kim, Suwon-Si KR