| Patent application number | Description | Published |
| 20080226945 | IMIDAZOPYRIMIDINE-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 |
| 20080311427 | Organometallic 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 |
| 20090153035 | Heteroaromatic 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 |
| 20090256473 | BIPYRIDINE-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 |
| 20090278451 | Triarylamine-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 |