Patent application number | Description | Published |
20080258111 | POLYCARBAZOLYL(METH)ACRYLATE LIGHT EMISSIVE COMPOSITIONS - The present invention provides compositions comprising at least one phosphorescent organometallic compound and a polymer comprising structural units derived from at least one monomer of formula I | 10-23-2008 |
20080262184 | POLYCARBAZOLYL(METH)ACRYLATE LIGHT EMISSIVE COMPOSITIONS - The present invention provides polymer derived from a monomer of formula I | 10-23-2008 |
20080319155 | OPTOELECTRONIC POLYMER COMPOSITIONS, AND DEVICES THEREFROM - In one aspect, the invention provides a polyarylether having pendant carbazolyl groups. The polymers of the invention are made by the bromination of a polyarylether, which is then reacted with a carbazole moiety. The polymers may have some amount of unsubstituted aromatic groups and some brominated aromatic groups also. These polymers find use in optoelectronic device. Thus, in another aspect, the invention provides optoelectronic device comprising a polyarylether having pendant carbazolyl groups. | 12-25-2008 |
20090208776 | ORGANIC OPTOELECTRONIC DEVICE AND METHOD FOR MANUFACTURING THE SAME - Provided are an organic optoelectronic device and a method for manufacturing the same. The organic optoelectronic device comprises an anode, an organic electron material layer formed on the anode, an electron transporting layer formed on the organic electron material layer, and a cathode formed on the electron transporting layer. The electron transporting layer comprises a blend of a low molecular weight electron transporting material having a LUMO between about 1.8 eV to about 3.0 eV and a film-forming polymer having a LUMO greater than that of the low molecular weight electron transporting material. | 08-20-2009 |
20090289224 | COMPOUND COMPRISING PHENYL PYRIDINE UNITS - Organic compounds of formula I may be used in optoelectronic devices | 11-26-2009 |
20090289547 | COMPOUND COMPRISING PHENYL PYRIDINE UNITS - Organic compounds of formula I may be used in optoelectronic devices | 11-26-2009 |
20100033082 | Method of Manufacture of a Multi-Layer Phosphorescent Organic Light Emitting Device, and Articles Thereof - A method for forming multi-emissive phosphorescent layers for a phosphorescent OLED comprises coating a first phosphorescent material from a first solvent onto a first electrode and removing the first solvent to form a first emissive layer; and coating a second phosphorescent material from a second solvent onto the first emissive layer and removing the second solvent to form a second emissive layer, wherein the first and second emissive layers are not cured after coating, and wherein the first emissive layer has negligible solubility in the second solvent. | 02-11-2010 |
20100051869 | ORGANIC IRIDIUM COMPOSITIONS AND THEIR USE IN ELECTRONIC DEVICES - The present invention provides compositions comprising at least one novel organic iridium compound which comprises at least one cyclometallated ligand and at least one ketopyrrole ligand. The organic iridium compositions of the present invention are referred to as Type (1) organic iridium compositions and are constituted such that no ligand of the novel organic iridium compound has a number average molecular weight of 2,000 grams per mole or greater (as measured by gel permeation chromatography). Type (1) organic iridium compositions are referred to herein as comprising “organic iridium complexes”. The novel organic iridium compositions are useful in optoelectronic electronic devices such as OLED devices and photovoltaic devices. In one aspect, the invention provides novel organic iridium compositions useful in the preparation of OLED devices exhibiting enhanced color properties and light output efficiencies. | 03-04-2010 |
20100090586 | ELECTRONIC DEVICES COMPRISING ORGANIC IRIDIUM COMPOSITIONS - The present invention provides electronic devices comprising novel polymeric organic iridium compositions which provide for enhanced device performance. The polymeric organic iridium compositions employed comprise a polymeric organic iridium compound comprising at least one cyclometallated ligand and at least one ketopyrrole ligand. The polymeric organic iridium compositions employed are referred to as Type (2) organic iridium compositions and are constituted such that at least one ligand of the polymeric organic iridium compound has a number average molecular weight of 2,000 grams per mole or greater (as measured by gel permeation chromatography). Type (2) organic iridium compositions are referred to herein as comprising “polymeric organic iridium complexes”. In one aspect, the present invention provides optoelectronic devices, such as OLED devices and photovoltaic devices. In another aspect, the invention provides OLED devices exhibiting enhanced color properties and light output efficiencies. | 04-15-2010 |