Patent application number | Description | Published |
20100059739 | ORGANIC ELECTROLUMINESCENCE ELEMENT, IMAGE DISPLAY DEVICE, AND IMAGING APPARATUS - An organic electroluminescence element includes organic compound layers disposed between electrodes, the concentration of halogen atoms contained in organic compounds of the organic compound layers being 1 ppm or less according to combustion ion chromatography. | 03-11-2010 |
20120306727 | FUSED POLYCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE USING THE COMPOUND - Provided are a fused polycyclic compound suitable for use mainly as a component for a blue-light-emitting device, and an organic light-emitting device using the compound. The fused polycyclic compound is represented by the general formulae (1), (2), (8) and (9). | 12-06-2012 |
20130123545 | METHOD FOR SYNTHESIZING DIKETOPYRACENE - Diketopyracene is synthesized in high yield without using carbon disulfide as a solvent. A special solvent is used. In particular, a solvent having a benzene ring that has two or more chlorine atoms is used. The two chlorine atoms are not in meta positions but in ortho positions of the benzene ring. | 05-16-2013 |
20160035982 | NOVEL FUSED POLYCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING ELEMENT INCLUDING THE SAME - The present invention provides a novel fused polycyclic compound suitably used for a blue light emitting element and an organic light emitting element including the fused polycyclic compound. | 02-04-2016 |
20160093809 | ORGANIC LIGHT EMITTING DEVICE - Provided is an organic light emitting device having high emission efficiency and a long continuous driving lifetime. The organic light emitting device includes: an anode; a cathode; and an emitting layer placed between the anode and the cathode, in which: the emitting layer contains an emitting material that emits fluorescence; and in an emission wavelength region of the emitting material, an absorption peak of an absorption spectrum in a minimum excited triplet state of a material having a smallest minimum excited triplet energy out of constituent materials in the emitting layer is absent. | 03-31-2016 |
20160115163 | ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, ELECTROPHOTOGRAPHIC APPARATUS, AND IMIDE COMPOUND - An electrophotographic photosensitive member includes, in the following order, a support member, an undercoat layer adjacent to the support member, and a photosensitive layer adjacent to the undercoat layer. The undercoat layer contains a polymer produced by polymerizing a composition containing a crosslinking agent and a compound expressed by general formula (1). | 04-28-2016 |
20160116853 | ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS - Provided is an electrophotographic photosensitive member including a laminated body, the laminated body including a support, an undercoat layer, and a charge generating layer, the undercoat layer including a polymerized product of a composition including an electron transport material represented by the following formula (1), a cross-linking agent, and a thermoplastic resin having a polymerizable functional group, the laminated body satisfying the following expressions (2) and (3). | 04-28-2016 |
20160133846 | ORGANIC LIGHT EMITTING ELEMENT - Provided is an organic light emitting element including: an anode; a cathode; and an organic compound layer formed between the anode and the cathode and including a hole injection layer, a hole transport layer, and an emission layer, in which: the emission layer includes a host and a dopant; the hole transport layer includes a hole transport material having multiple aromatic hydrocarbon skeletons and a single bond for linking the aromatic hydrocarbon skeletons; the hole transport material has a triplet level T | 05-12-2016 |