Patent application number | Description | Published |
20130015432 | INORGANIC HOSTS IN OLEDS - A novel electronic device is reported containing a host comprising an inorganic material with a band gap of less than 4 eV. The use of an inorganic material is advantageous due to its desirable physical properties, including increased stability and charge mobility. | 01-17-2013 |
20130060037 | 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. | 03-07-2013 |
20130146854 | PHOSPHORESCENT SMALL MOLECULES THAT ARE BONDED TO INORGANIC NANOCRYSTAL HOST FOR ORGANIC LIGHT EMITTING DEVICES AND METHODS OF MAKING THE SAME - A first device comprising a first organic light emitting device (OLED) is described. The first OLED includes an anode, it cathode and an emissive layer disposed between the anode and the cathode. The emissive layer includes a phosphorescent emissive dopant and a host material, that includes nanocrystals. The phosphorescent emissive dopant is bonded to the host material by a bridge moiety. | 06-13-2013 |
20130175510 | BENZO-FUSED THIOPHENE / TRIPHENYLENE HYBRID MATERIALS - 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. | 07-11-2013 |
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 |
20140084260 | ORGANIC COMPOUNDS CONTAINING B-N HETEROCYCLES - In certain embodiments, the invention provides boron-nitrogen heterocycles having Formula (I): | 03-27-2014 |
20140145149 | Organic Luminescent Compound With Delayed Fluorescence - Novel organic compounds containing an imidazole core and electron donor and acceptor fragments are provided. By selection of the disclosed donor and acceptor groups, compounds exhibiting small singlet-triplet gaps are obtained. These compounds are useful in OLED devices as host materials or as delayed fluorescent emitters. | 05-29-2014 |
20140145151 | Organic Electroluminescent Device With Delayed Fluorescence - Novel compounds containing benzothiophene or benzofuran fused to a carbazoles moiety are disclosed. The compounds are substituted such that both an electron donor fragment and an electron acceptor fragment are present within the same molecule. The compounds are capable of exhibiting delayed fluorescence when used in the emissive layer of OLED devices. | 05-29-2014 |
20140158992 | Carbazole Compounds For Delayed Fluorescence - Novel carbazole-containing compounds are provided. The novel compounds also contain electron donor groups, aryl linkers, and at least one nitrogen heterocycle. These novel organic compounds are useful in OLED devices and can exhibit delayed fluorescence. | 06-12-2014 |
20140203259 | HOST FOR ORGANIC LIGHT EMITTING DEVICES - A first device comprising a first organic light emitting device (OLED) is described. The first OLED includes an anode, a cathode, and an emissive layer disposed between the anode and the cathode. The emissive layer includes a phosphorescent emissive dopant and a host material. The host material includes inorganic nanocrystals where (i) at least 50% of ligands bonded to said nanocrystals are compact ligands, (ii) an average interparticle distance between adjacent nanoparticles is ≦1 nm, or (iii) both. Also described are a method of making the emissive layer and a composition that includes the phosphorescent emissive dopant with the host materials that include the electronically-coupled inorganic nanocrystal host material. | 07-24-2014 |
20140326977 | ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES - 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. | 11-06-2014 |
20150060777 | FLEXIBLE SUBSTRATE FOR OLED DEVICE - Flexible substrates and devices including flexible substrates are provided. In an embodiment, a flexible substrate includes a first glass substrate material and a first organic light emitting device, disposed over the first flexible substrate, which includes a first emissive layer The first flexible substrate may have a thickness of not more than 300 μm, a flexural rigidity of 10 | 03-05-2015 |
20150069334 | IRIDIUM/PLATINUM METAL COMPLEX - Ir/Pt metal complexes, devices containing the Ir/Pt metal complexes, and methods of making such devices are described. The Ir/Pt metal complex includes a first Ir moiety and a first Pt moiety. The first Ir moiety can be an Ir(III) six-coordinated structure. The first Pt moiety can be a Pt(II) four-coordinated tetradentate structure. The devices can have layers that include the Ir/Pt metal complexes. The layers containing the Ir/Pt metal complexes can be made by a solution process. | 03-12-2015 |