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Bin Ma

Bin Ma, West Windsor, NJ US

Patent application numberDescriptionPublished
20080261076PHOSPHORESCENT MATERIALS - Phosphorescent materials and devices with high device efficiency, stability, and processibility.10-23-2008
20090108737LIGHT-EMITTING ORGANOMETALLIC COMPLEXES - Phosphorescent materials and devices with improved device manufacturing, fabrication, stability, efficiency, and/or color.04-30-2009
20090253910Phosphorescent Materials - Phosphorescent organometallic materials are provided, comprising at least one 3-arylacetylacetone ligand. Processes for making such materials, and to organic light emitting devices comprising the materials, are also provided.10-08-2009
20100187984MATERIALS 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
20110057559PHOSPHORESCENT 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
20110060143Stable and Efficient Electroluminescent Materials - An organic light emitting device is provided. The device has an anode, a cathode, and an emissive layer disposed between the anode and the cathode. The emissive layer may include a molecule of Formula I wherein an alkyl substituent at position R′03-10-2011

Patent applications by Bin Ma, West Windsor, NJ US

Bin Ma, Plainsboro, NJ US

Patent application numberDescriptionPublished
20100072887ORGANOSELENIUM 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
20100141127PHOSPHORESCENT EMITTERS - Heteroleptic compounds containing phenylpyridine and phenylbenzimidazole are provided. The compounds may be used in organic light emitting devices, particularly as emissive dopants in the emissive layer of such devices.06-10-2010
201002894062-AZATRIPHENYLENE MATERIALS FOR ORGANIC LIGHT EMITTING DIODES - Compounds containing 2-azatriphenylene are provided. In particular, compounds containing a 2-azatriphenylene core having an additional aromatic group are provided. The compounds provided may be emissive or non-emissive materials. The compounds may be used in organic light emitting devices, particularly as host materials, hole blocking layer materials, or emitting dopants. Devices comprising 2-azatriphenylene containing compounds may demonstrate improved stability and efficiency.11-18-2010
20100295032METAL 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

Bin Ma, West Winsdor, NJ US

Patent application numberDescriptionPublished
20100237334Benzo-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

Bin Ma, Arlington, MA US

Patent application numberDescriptionPublished
20100160258Bicyclic aryl sphingosine 1-phosphate analogs - Compounds that have agonist activity at one or more of the S1P receptors are provided. The compounds are sphingosine analogs that, after phosphorylation, can behave as agonists at S1P receptors.06-24-2010
20100160357Heterobicyclic sphingosine 1-phosphate analogs - Compounds that have agonist activity at one or more of the S1P receptors are provided. The compounds are sphingosine analogs that, after phosphorylation, can behave as agonists at S1P receptors.06-24-2010
20100240617BICYCLIC SPHINGOSINE 1-PHOSPHATE ANALOGS - Compounds that have agonist activity at one or more of the S1P receptors are provided. The compounds are sphingosine analogs that, after phosphorylation, can behave as agonists at S1P receptors.09-23-2010

Bin Ma, Monroeville, PA US

Patent application numberDescriptionPublished
20100007273CARBENE 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:01-14-2010
20100176390ELECTROLUMINESCENT EFFICIENCY - An organic light emitting device is provided. The device has an anode, a cathode, and an emissive layer disposed between the anode and the cathode. The emissive layer further includes a molecule of Formula I (shown below) wherein an alkyl substituent at position R′07-15-2010

Patent applications by Bin Ma, Monroeville, PA US

Bin Ma, Singapore SG

Patent application numberDescriptionPublished
20100004931Apparatus and method for speech utterance verification - An apparatus is provided for speech utterance verification. The apparatus is configured to compare a first prosody component from a recorded speech with a second prosody component for a reference speech. The apparatus determines a prosodic verification evaluation for the recorded speech utterance in dependence of the comparison.01-07-2010

Bin Ma, Westwindsor, NJ US

Patent application numberDescriptionPublished
20110163302HOLE 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