Patent application number | Description | Published |
20080297033 | BLUE PHOSPHORESCENT IMIDAZOPHENANTHRIDINE MATERIALS - Compounds comprising phosphorescent metal complexes comprising cyclometallated imidazo[1,2-f]phenanthridine and diimidazo[1,2-a:1′,2′-c]quinazoline ligands, or isoelectronic or benzannulated analogs thereof, are described. Organic light emitting devices comprising these compounds are also described. | 12-04-2008 |
20090134784 | CARBAZOLE-CONTAINING MATERIALS IN PHOSPHORESCENT LIGHT EMITTING DIODES - Carbazole-containing compounds are provided. In particular, the compounds are oligocarbazole-containing compounds having an unsymmetrical structure. The compounds may be useful in organic light emitting devices, in particular as hosts in the emissive layer of such devices. | 05-28-2009 |
20090153034 | CARBAZOLE-CONTAINING MATERIALS IN PHOSPHORESCENT LIGHT EMITTINIG DIODES - Carbazole-containing compounds are provided. In particular, the compounds are oligocarbazole-containing compounds having an unsymmetrical structure. The compounds may be useful in organic light emitting devices, in particular as hosts in the emissive layer of such devices. | 06-18-2009 |
20090167162 | DIBENZOTHIOPHENE-CONTAINING MATERIALS IN PHOSPHORESCENT LIGHT EMITTING DIODES - A new class of dibenzothiophene and/or dibenzofuran-containing compounds are provided. The new compounds may be useful in organic light emitting devices, particularly as the host of an emissive layer having a host and an emissive dopant, or as a material in an enhancement layer. | 07-02-2009 |
20100072887 | ORGANOSELENIUM MATERIALS AND THEIR USES IN ORGANIC LIGHT EMITTING DEVICES - The present invention provides organoselenium compounds comprising dibenzoselenophene, benzo[b]selenophene or benzo[c]selenophene and their uses in organic light emitting devices. | 03-25-2010 |
20100187984 | MATERIALS WITH AZA-DIBENZOTHIOPHENE OR AZA-DIBENZOFURAN CORE FOR PHOLED - A new class of compounds containing aza-dibenzothiophene or aza-dibenzofuran are provided. The compounds may be used in organic light emitting devices giving improved stability, improved efficiency, long lifetime and low operational voltage. In particular, the compounds may be used as the host material of an emissive layer having a host and an emissive dopant, or as a material in an enhancement layer. | 07-29-2010 |
20100237334 | Benzo-Fused Thiophene or Bezon-Fused Furan Compounds Comprising a Triphenylene Group - Triphenylene containing benzo-fused thiophene compounds are provided. Additionally, triphenylene containing benzo-fused furan compounds are provided. The compounds may be useful in organic light emitting devices, particularly as hosts in the emissive layer of such devices, or as materials for enhancement layers in such devices, or both. | 09-23-2010 |
20110057559 | PHOSPHORESCENT EMITTERS AND HOST MATERIALS WITH IMPROVED STABILITY - Devices containing a particular combination of organic compounds are provided. In particular, the devices contain twisted aryl compounds having extended conjugation (i.e., the twisted aryl is substituted with an additional aryl group) in combination with dibenzothiophene or dibenzofuran containing host materials. The organic light emitting devices may provide improved stability color, lifetime and manufacturing. Compounds containing a twisted aryl having extended conjugation are also provided. | 03-10-2011 |
20110073849 | METAL COMPLEXES OF CYCLOMETALLATED IMIDAZO[1,2-f ]PHENANTHRIDINE AND DIIMIDAZO[1,2-a:1',2'-c ]QUNIAZOLINE LIGANDS AND ISOELECTRONIC AND BENZANNULATED ANALOGS THEREOF - Compounds comprising phosphorescent metal complexes comprising cyclometallated imidazo[1,2-f]phenanthridine and diimidazo[1,2-a:1′,2′-c]quinazoline ligands, or isoelectronic or benzannulated analogs thereof, are described. Organic light emitting diode devices comprising these compounds are also described. | 03-31-2011 |
20110163302 | HOLE TRANSPORT MATERIALS HAVING A SULFUR-CONTAINING GROUP - Novel materials are provided, having a single phenyl or a chain of phenyls where there is a nitrogen atom on each end of the single phenyl or chain of phenyls. The nitrogen atom may be further substituted with particular thiophene, benzothiophene, and triphenylene groups. Organic light-emitting devices are also provided, where the novel materials are used as a hole transport material in the device. Combinations of the hole transport material with specific host materials are also provided. | 07-07-2011 |
20120012829 | DIBENZOTHIOPHENE-CONTAINING MATERIALS IN PHOSPHORESCENT LIGHT EMITTING DIODES - A new class of dibenzothiophene and/or dibenzofuran-containing compounds are provided. The new compounds may be useful in organic light emitting devices, particularly as the host of an emissive layer having a host and an emissive dopant, or as a material in an enhancement layer. | 01-19-2012 |
20130168660 | ORGANOSELENIUM MATERIALS AND THEIR USES IN ORGANIC LIGHT EMITTING DEVICES - The present invention provides organoselenium compounds comprising dibenzoselenophene, benzo[b]selenophene or benzo[c]selenophene and their uses in organic light emitting devices. | 07-04-2013 |
20130214264 | CARBENE METAL COMPLEXES AS OLED MATERIALS - An organic light emitting device having an anode, a cathode and an organic layer disposed between the anode and the cathode is provided. In one aspect, the organic layer comprises a compound having at least one zwitterionic carbon donor ligand. In another aspect, the organic layer comprises a carbene compound, including the following: | 08-22-2013 |
20130310561 | METAL COMPLEXES OF CYCLOMETALLATED IMIDAZO (1,2-f ) PHENANTHRIDINE AND DIIMIDAZO (1,2-a:1', 2'-c),QUINAZOLINE LIGANDS AND ISOELECTRONIC AND BENZANNULATED ANALOGS THEREOF - Compounds comprising phosphorescent metal complexes comprising cyclometallated imidazo[1,2-f]phenanthridine and diimidazo[1,2-a:1′,2′-c]quinazoline ligands, or isoelectronic or benzannulated analogs thereof, are described. Organic light emitting diode devices comprising these compounds are also described. | 11-21-2013 |
20140042413 | PHOSPHORESCENT EMITTERS AND HOST MATERIALS WITH IMPROVED STABILITY - Iridium complexes with ligands containing twisted aryl groups having extended conjugation (i.e., the twisted aryl is substituted with an additional aryl group) and organic light emitting devices including the same are disclosed. The iridium complexes can be used in organic light emitting devices may provide improved stability color, lifetime and manufacturing. | 02-13-2014 |
20140249307 | METAL COMPLEXES OF CYCLOMETALLATED IMIDAZO[1,2-f]PHENANTHRIDINE AND DIIMIDAZO[1,2-a:1',2'-c]QUINAZOLINE LIGANDS AND ISOELECTRONIC AND BENZANNULATED ANALOGS THEREOF - Compounds comprising phosphorescent metal complexes comprising cyclometallated imidazo[1,2-f]phenanthridine and diimidazo[1,2-a:1′,2′-c]quinazoline ligands, or isoelectronic or benzannulated analogs thereof, are described. Organic light emitting diode devices comprising these compounds are also described. | 09-04-2014 |
20150018549 | Metal Complexes of Cyclometallated Imidazo[1,2-f]phenanthridine and Diimidazo[1,2-a:1',2'-c]quinazoline Ligands and Isoelectronic and Benzannulated Analogs Thereof - Compounds comprising phosphorescent metal complexes comprising cyclometallated imidazo[1,2-f]phenanthridine and diimidazo[1,2-a:1′,2′-c]quinazoline ligands, or isoelectronic or benzannulated analogs thereof, are described. Organic light emitting diode devices comprising these compounds are also described. | 01-15-2015 |