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 |
20120086329 | Novel 3, 9-Linked Oliogocarbazole-Based Hosts, Containing DBT and DBF Fragments, Separated by Aromatic Spacers - Compounds comprising a 3,9-linked oligocarbazole moiety and a dibenzothiophene, dibenzofuran, dibenzoselenophene, aza-dibenzothiophene, aza-dibenzofuran, or aza-dibenzoselenophene are provided. The 3,9-linked oligocarbazole and dibenzo or aza-dibenzo moiety are separated by an aromatic spacer. The compounds may be used as non-emissive materials for phosphorescent OLEDs to provide devise having improved performance. | 04-12-2012 |
20120256169 | SUBSTITUTED OLIGOAZACARBAZOLES FOR LIGHT EMITTING DIODES - Novel compounds containing substituted oligoazacarbazole chains are provided. These compounds are useful in organic light emitting devices, in particular as hosts in the emissive layer of such devices. | 10-11-2012 |
20130119353 | TRIPHENYLENE SILANE HOSTS - Novel aryl silicon and aryl germanium host materials, and in particular host materials containing triphenylene and pyrene fragments, are described. These compounds improve OLED device performance when used as hosts in the emissive layer of the OLED. | 05-16-2013 |
20130241400 | SECONDARY HOLE TRANSPORTING LAYER WITH TRICARBAZOLE COMPOUNDS - Novel tricarbazole compounds are provided. By appropriately selecting the nature of the tricarbazole substituents, compounds with appropriate HOMO and LUMO energies can be obtained for use as materials in a secondary hole transport layer. | 09-19-2013 |
20130293094 | Asymmetric Hosts With Triaryl Silane Side Chains - Novel asymmetric host compounds containing an electron-transport moiety, a hole-transport moiety, an aromatic spacer, and a triaryl silane group are provided. These compounds are useful materials that can be incorporated into OLED devices. | 11-07-2013 |
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 |
20140117343 | HOST MATERIALS FOR OLEDS - Novel aryl silicon and aryl germanium host materials, and in particular host materials containing triphenylene and pyrene fragments, are described. These compounds improve OLED device performance when used as hosts in the emissive layer of the OLED. | 05-01-2014 |
20140361252 | ALUMINUM CHELATES AS MATERIALS FOR OLEDS - Aluminum chelate complex compounds with two substituted 8-hydroxyquinoline ligand and one dibenzothiophene, dibenzofuran or dibenzoselenophene ligands or aza-analogs of these molecules, attached directly or through an aromatic spacer to the oxygen atom is provided to improve lifetime, operating voltage and efficiency of an OLED. Additional substitution of dibenzothiophene or dibenzofuran ring may also provide charge delocalization, HOMO modification and higher Tg. | 12-11-2014 |
Patent application number | Description | Published |
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 |
20100240639 | Sulfonyl-Derivatives as Novel or Histone Deacetylase - This invention comprises the novel compounds of formula (I) | 09-23-2010 |
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 |
20120088754 | SULFONYL-DERIVATIVES AS NOVEL INHIBITORS OF HISTONE DEACETYLASE - This invention comprises the novel compounds of formula (I) | 04-12-2012 |
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 |
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 |
20140038979 | SULFONYL-DERIVATIVES AS NOVEL INHIBITORS OF HISTONE DEACETYLASE - This invention comprises the novel compounds of formula (I) | 02-06-2014 |
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 |
20150053939 | ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES - A composition formed of a mixture of two compounds having similar thermal evaporation properties that are pre-mixed into an evaporation source that can be used to co-evaporate the two compounds into an emission layer in OLEDs via vacuum thermal evaporation process is disclosed. | 02-26-2015 |