Patent application number | Description | Published |
20080246017 | LIGHT-EMITTING DEVICE HAVING SEMICONDUCTOR NANOCRYSTAL COMPLEXES - Light-emitting devices are provided that incorporate one or more underlying LED chips or other light sources and a layer having one or more populations of nanoparticles disposed over the light source. The nanoparticles may absorb some light emitted by the underlying source, and re-emit light at a different level. By varying the type and relative concentration of nanoparticles, different emission spectra may be achieved. White light and specialty-color emission may be achieved. Devices also may include multiple LED chips, with nanoparticles disposed over one or more underlying chips in an array. | 10-09-2008 |
20100200841 | LIQUID COMPOSITIONS FOR INKJET PRINTING OF ORGANIC LAYERS OR OTHER USES - A method of forming an organic layer by using a liquid composition comprising a small molecule organic semiconductor material mixed in a ketone solvent. The liquid composition is deposited on a surface to form the organic layer. The ketone solvent may be an aromatic ketone solvent, such as a tetralone solvent. The organic semiconductor material may be cross-linkable to provide a cross-linked organic layer. The method can be used to make organic electronic devices, such as organic light emitting devices. In another aspect, the liquid composition comprises a small molecule organic semiconductor material mixed in an aromatic ether solvent. Also, provided are liquid compositions which can be used to make organic layers. | 08-12-2010 |
20100323464 | LIQUID COMPOSITIONS FOR INKJET PRINTING OF ORGANIC LAYERS OR OTHER USES - A method of forming an organic layer for an organic electronic device (e.g., an OLED) by using a liquid composition comprising a small molecule organic semiconductor material mixed in a solvent preparation in which the content of higher boiling impurities is reduced. The solvent preparation comprises a high boiling point solvent and 0.1 wt % or less of impurities having a higher boiling point than the solvent. The liquid composition is deposited on a surface by inkjet printing to form the organic layer. Also, provided are liquid compositions which can be used to make organic layers. | 12-23-2010 |
20110177641 | ELECTROLUMINESCENT DEVICES FOR LIGHTING APPLICATIONS - A method of fabricating an organic light emitting device is provided. A first electrode is provided, over which the rest of the device will be fabricated. A first organic layer is deposited over the first electrode via solution processing. The first organic layer includes:
| 07-21-2011 |
20120205637 | LIQUID COMPOSITIONS FOR INKJET PRINTING OF ORGANIC LAYERS OR OTHER USES - A method of forming an organic layer by using a liquid composition comprising a small molecule organic semiconductor material mixed in a ketone solvent. The liquid composition is deposited on a surface to form the organic layer. The ketone solvent may be an aromatic ketone solvent, such as a tetralone solvent. The organic semiconductor material may be cross-linkable to provide a cross-linked organic layer. The method can be used to make organic electronic devices, such as organic light emitting devices. In another aspect, the liquid composition comprises a small molecule organic semiconductor material mixed in an aromatic ether solvent. Also, provided are liquid compositions which can be used to make organic layers. | 08-16-2012 |
20120256136 | Nitrile Solvent Composistions for Inkjet Printing of Organic Layers - A liquid composition (e.g., inkjet fluid) for forming an organic layer of an organic electronic device (e.g., an OLED). The liquid composition comprises a small molecule organic semiconductor material mixed in an aromatic solvent. The aromatic solvent, when left as a residue in the organic layer, is capable of presenting relatively reduced resistivity to charge transport or facilitating charge transport in the organic layer that is deposited, as compared to other conventional solvents. In certain embodiments, the aromatic solvent compound has the following formula: wherein R represents one or more optional substituents on the benzene ring, wherein each R is independently an aliphatic group containing from 1-15 carbon atoms; and wherein X is a substitution group that contains an electron-withdrawing group selected from nitrile, sulfonyl, or trifluoromethyl. | 10-11-2012 |
20120267612 | CROSS-LINKABLE COPPER PHTHALOCYANINE COMPLEXES - Cross-linkable copper complexes comprising a copper phthalocyanine core and one or more cross-linkable functionalities linked to the phthalocyanine core. The copper complex may have a spacer group with the one or more cross-linkable functionalities on the spacer group. The spacer group contains a chain or one or more aryl groups. These cross-linkable copper complexes may be used in making organic electronic devices, such as OLEDs, by solution processing techniques. | 10-25-2012 |
20120270349 | LIQUID COMPOSITIONS FOR INKJET PRINTING OF ORGANIC LAYERS OR OTHER USES - A method of forming an organic layer for an organic electronic device (e.g., an OLED) by using a liquid composition comprising a small molecule organic semiconductor material mixed in a solvent preparation in which the content of higher boiling impurities is reduced. The solvent preparation comprises a high boiling point solvent and 0.1 wt % or less of impurities having a higher boiling point than the solvent. The liquid composition is deposited on a surface by inkjet printing to form the organic layer. Also, provided are liquid compositions which can be used to make organic layers. | 10-25-2012 |
20130002132 | ELECTROLUMINESCENT DEVICES FOR LIGHTING APPLICATIONS - A method of fabricating an organic light emitting device is provided. A first electrode is provided, over which the rest of the device will be fabricated. A first organic layer is deposited over the first electrode via solution processing. The first organic layer includes:
| 01-03-2013 |
20130015430 | Composite Organic/Inorganic Layer for Organic Light-Emitting DevicesAANM Kwong; RaymondAACI PlainsboroAAST NJAACO USAAGP Kwong; Raymond Plainsboro NJ USAANM Xia; ChuanjunAACI LawrencevilleAAST NJAACO USAAGP Xia; Chuanjun Lawrenceville NJ USAANM Harikrishna Mohan; SiddharthAACI PlainsboroAAST NJAACO USAAGP Harikrishna Mohan; Siddharth Plainsboro NJ USAANM Cheon; Kwang-OhkAACI HollandAAST PAAACO USAAGP Cheon; Kwang-Ohk Holland PA USAANM Brooks; JasonAACI PhiladelphiaAAST PAAACO USAAGP Brooks; Jason Philadelphia PA US - Organic electronic devices comprising a covalently bonded organic/inorganic composite layer. The composite layer may be formed by the reaction of a metal alkoxide with a charge transport compound having one or more hydroxyl groups. Examples of metal alkoxides that can be used include vanadium alkoxides, molybdenum alkoxides, titanium alkoxides, or silicon alkoxides. This composite layer can be used for any of the various charge conducting layers in an organic electronic device, including the hole injection layer. | 01-17-2013 |
20130112951 | SOLUTION PROCESSABLE DOPED TRIARYLAMINE HOLE INJECTION MATERIALS - Methods for fabricating a solution-processed OLED are provided. The methods include depositing an organic layer comprising mixture of an organic electron acceptor and an organic electron donor to form a layer that is insoluble to a non-polar solvent. Devices containing the organic layer may demonstrate improved lifetime and have a lower operating voltage while maintaining good luminous efficiency. | 05-09-2013 |
20140097406 | ARYLOXYALKYLCARBOXYLATE SOLVENT COMPOSITIONS FOR INKJET PRINTING OF ORGANIC LAYERS - A liquid composition (e.g., inkjet fluid) for forming an organic layer of an organic electronic device (e.g., an OLED). The liquid composition comprises a small molecule organic semiconductor material mixed in a solvent in which the solvent compound has the following formula: | 04-10-2014 |
20140206121 | ELECTROLUMINESCENT DEVICES FOR LIGHTING APPLICATIONS - A method of fabricating an organic light emitting device is provided. A first electrode is provided, over which the rest of the device will be fabricated. A first organic layer is deposited over the first electrode via solution processing. The first organic layer includes:
| 07-24-2014 |
20150014649 | Organic Light Emitting Diode Materials - The present invention relates to novel organic compounds containing a triphenylene and a carbazole. The compounds are useful for organic light-emitting diodes. The compounds are also useful for charge-transport and charge-blocking layers, and as hosts in the light-emissive layer for organic light emitting devices (OLEDs). | 01-15-2015 |