Patent application number | Description | Published |
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 |
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 |
20120212126 | THIOAZOLE AND OXAZOLE CARBENE METAL COMPLEXES AS PHOSPHORESCENT OLED MATERIALS - Compounds are provided that comprise a heterocyclic carbene ligand. In particular, an oxazole or a thioazole carbene are used in place of the traditional imidazole carbene. These compounds may be used in OLEDs to provide devices having improved properties, such as stability and color-tuning. Additionally, a novel methodology to synthesize heterocyclic carbene metal complexes is provided. | 08-23-2012 |
20120292600 | PHOSPHORESCENT HETEROLEPTIC PHENYLBENZIMIDAZOLE DOPANTS - Novel phosphorescent heteroleptic iridium complexes with benzimidazole and phenylpyridine ligands are provided. These iridium complexes can improve OLED properties, and are useful in white light applications. | 11-22-2012 |
20130119354 | HETEROLEPTIC IRIDIUM COMPLEX - Novel phosphorescent heteroleptic iridium complexes with phenylpyridine and dibenzo-containing ligands are provided. The disclosed compounds have low sublimation temperatures that allow for ease of purification and fabrication into a variety of OLED devices. | 05-16-2013 |
20130341600 | PHOSPHORESCENT EMITTERS - A phenzasilin comprising compound, and devices and formulations including the same are described. The compound includes a ligand L | 12-26-2013 |
20140027733 | TRANSITION METAL COMPLEXES CONTAINING SUBSTITUTED IMIDAZOLE CARBENE AS LIGANDS AND THEIR APPLICATION IN OLEDS - Compounds having a metal M complexed to a ligand L containing a substituted imidazole carbene group, which is represented Formula (I), below: | 01-30-2014 |
20140054563 | PHOSPHORESCENT EMITTERS WITH PHENYLIMIDAZOLE LIGANDS - Phosphorescent materials are provided, where the materials comprise a coordination compound having at least one ligand L | 02-27-2014 |
20140159028 | HETEROLEPTIC IRIDIUM COMPLEXES AS DOPANTS - Novel phosphorescent heteroleptic iridium complexes with phenylpyridine and dibenzo-containing ligands are provided. Alkyl substitution at specific positions on the ligands gives rise to compounds with improved OLED properties, including saturated green emission. | 06-12-2014 |
20140303370 | METHOD OF MAKING ORGANIC ELECTROLUMINESCENT MATERIALS - A method of making ligands for producing novel heteroleptic iridium complexes is provided. The method includes reacting the condensation product of an aryl 1,2-diamine and an aryl aldehyde with manganese dioxide in a solvent. The novel iridium complexes produced using the ligands are useful compounds in OLED devices. | 10-09-2014 |
20150028323 | ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES - Novel phosphorescent tetradentate platinum (II) compounds comprising a twisted aryl group are provided. Also provided are novel phosphorescent tetradentate platinum (II) compounds comprising an imidazo[1,2-f]phenanthridine moiety. The compounds may be used in organic light emitting devices to provide improved device efficiency, line shape and lifetime. | 01-29-2015 |