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 |
20090092854 | Complexes with tridentate ligands - The present invention relates to organic light emitting devices (OLEDs), and more specifically to phosphorescent organic materials used in such devices. More specifically, the present invention relates to emissive phosphorescent material which comprise at least one tridentate ligand bound to a metal center, wherein at least one of the bonds to the tridentate ligand is a carbon-metal bond. | 04-09-2009 |
20090115322 | COMPLEXES WITH TRIDENTATE LIGANDS - The present invention relates to organic light emitting devices (OLEDs), and more specifically to phosphorescent organic materials used in such devices. More specifically, the present invention relates to emissive phosphorescent material which comprise at least one tridentate ligand bound to a metal center, wherein at least one of the bonds to the tridentate ligand is a carbon-metal bond. | 05-07-2009 |
20100148663 | Blue Emitter with High Efficiency Based on Imidazo[1,2-f] Phenanthridine Iridium Complexes - Imidazo[1,2-f]phenanthridine compounds are provided. The compounds have a twisted aryl moiety further substituted by alkyl having four or more atoms. The compounds may be used in organic light emitting devices, particularly as emissive dopants, providing devices with improved efficiency, stability, and manufacturing. In particular, the compounds provided herein may be used in blue devices having high efficiency. | 06-17-2010 |
20100295032 | METAL COMPLEXES WITH BORON-NITROGEN HETEROCYCLE CONTAINING LIGANDS - Novel organic compounds comprising ligands containing a boron-nitrogen heterocycle are provided. In particular, the compound is a metal complex comprising a ligand containing an azaborine. The compounds may be used in organic light emitting devices to provide devices having improved photophysical and electronic properties. | 11-25-2010 |
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 |
20120228583 | PYRIDYL CARBENE PHOSPHORESCENT EMITTERS - Organometallic compounds comprising an imidazole carbene ligand having a N-containing ring fused to the imidazole ring are provided. In particular, the N-containing ring fused to the imidazole ring may contain one nitrogen atom or more than one nitrogen atom. These compounds may demonstrate high photoluminescent (PL) efficiency, Gaussian emission spectra, and/or short excited state lifetimes. These materials may be especially useful as blue phosphorescent emitters. | 09-13-2012 |
20130048963 | Cyclometallated Tetradentate Pt (II) Complexes - Novel phosphorescent tetradentate platinum (II) compounds are provided. The compounds contain an isoimidazole moiety, optionally further substituted with a twisted aryl. These compounds may be advantageously used in OLEDs. | 02-28-2013 |
20130082245 | TETRADENTATE PLATINUM COMPLEXES - Novel phosphorescent tetradentate platinum compounds of Formula I are provided. The complexes contain a dibenzo moiety, which allows for the creation of OLED devices with improved properties when compounds of Formula I are incorporated into such devices. Compounds of Formula I′ that comprise two ligands that contain a 5-membered carbocyclic or heterocyclic ring, one of which contains an imidazole ring with a twisted aryl group attached to N−1 and a second aromatic ring that is attached to the platinum via a carbon atom. These compounds may be advantageously used in OLEDs. | 04-04-2013 |
20140008617 | NOVEL SILYLATED METAL COMPLEXES - Novel metal complexes containing silyl substitution are provided. Depending on the location of the substitution, compounds that emit in the yellow or green portions of the spectrum can be produced. These compounds are useful as components of OLED devices. | 01-09-2014 |
20140021447 | Diarylamino Substituted Metal Complexes - Heteroleptic complexes having at least one diarylamino or carbazole group, as shown in Formula (I), are provided: | 01-23-2014 |
20140039192 | METAL COMPLEXES WITH BORON-NITROGEN HETEROCYCLE CONTAINING LIGANDS - Novel organic compounds comprising a boron-nitrogen heterocycle are provided. In particular, the compound contains an azaborine. The compounds may be used in organic light emitting devices to provide devices having improved photophysical and electronic properties. | 02-06-2014 |
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 |
20140131663 | Iridium Complexes With Aza-Benzo Fused Ligands - Novel iridium complexes containing phenylpyridine and pyridyl aza-benzo fused ligands are described. These complexes are useful as light emitters when incorporated into OLEDs. | 05-15-2014 |
20140131676 | IRIDIUM COMPLEXES WITH AZA-BENZO FUSED LIGANDS - Novel iridium complexes containing phenylpyridine and pyridyl aza-benzo fused ligands are described. These complexes are useful as light emitters when incorporated into OLEDs. | 05-15-2014 |
20140319504 | ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES - Imidazo[1,2-f]phenanthridine compounds are provided. The compounds have a twisted aryl moiety further substituted by alkyl having four or more atoms. The compounds may be used in organic light emitting devices, particularly as emissive dopants, providing devices with improved efficiency, stability, and manufacturing. In particular, the compounds provided herein may be used in blue devices having high efficiency. | 10-30-2014 |
20150021590 | ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES - Organometallic compounds comprising an imidazole carbene ligand having a N-containing ring fused to the imidazole ring are provided. In particular, the N-containing ring fused to the imidazole ring may contain one nitrogen atom or more than one nitrogen atom. These compounds may demonstrate high photoluminescent (PL) efficiency, Gaussian emission spectra, and/or short excited state lifetimes. These materials may be especially useful as blue phosphorescent emitters. | 01-22-2015 |