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Hiroyuki Ohkawa
Hiroyuki Ohkawa, Chiyoda-Ku JP
| Patent application number | Description | Published |
|---|---|---|
| 20090153972 | TRANSLUCENT SUBSTRATE, PROCESS FOR PRODUCING THE SAME, ORGANIC LED ELEMENT AND PROCESS FOR PRODUCING THE SAME - The present invention provides an organic LED element in which the extraction efficiency is improved up to 80% of emitted light. Further, the invention relates to an electrode-attached translucent substrate having a translucent substrate, a scattering layer formed over the glass substrate and containing a base material having a first refractive index for at least one wavelength of wavelengths of emitted light of an organic LED element and a plurality of scattering materials positioned in the base material and having a second refractive index different from that of the base material, and a translucent electrode formed over the scattering layer and having a third refractive index equal to or lower than the first refractive index, in which distribution of the scattering materials in the scattering layer decreases from the inside of the scattering layer toward the translucent electrode. | 06-18-2009 |
| 20110071012 | GLASS AND CHEMICALLY TEMPERED GLASS - Glass comprising, as represented by mole percentage based on the following oxides, from 50 to 75% of SiO | 03-24-2011 |
Hiroyuki Ohkawa, Osaka JP
| Patent application number | Description | Published |
|---|---|---|
| 20100259525 | SHIFT REGISTER AND DISPLAY DEVICE - At least one embodiment of the present invention is directed to, even when external noise is applied to a shift register during all-on operation, preventing through-current from flowing in unit circuits and also to prevent increase in load on all-on control signal lines. When a high-level all-on control signal is provided to a unit circuit of a shift register, a transistor T | 10-14-2010 |
Hiroyuki Ohkawa, Tokyo JP
| Patent application number | Description | Published |
|---|---|---|
| 20080207427 | PHOSPHATE OPTICAL GLASS - The object of the present invention is to provide an optical glass which has optical constants such as a refractive index of from 1.45 to 1.65 and an Abbe number of at least 65 and which is yet excellent in chemical durability. | 08-28-2008 |
| 20080312063 | OPTICAL GLASS - The present invention provides an optical glass including, by mass %: 46 to 70 of B | 12-18-2008 |
| 20100004112 | OPTICAL GLASS - An object of the present invention is to provide an optical glass having optical constants of a refractive index of 1.70 to 1.89 and an Abbe number of 20 to 30 and being excellent in chemical durability. The invention relates to an optical glass containing P | 01-07-2010 |
| 20100240516 | OPTICAL GLASS AND PREFORMS FOR PRECISION PRESS MOLDING AND OPTICAL ELEMENTS MADE BY USING THE GLASS - An object of the invention is to provide an optical glass for precision press having optical properties of a high refractive index and a low dispersion property and having a low molding temperature, a high devitrification resistance, an excellent molding property, and a small specific gravity. The optical glass of the invention contains, in terms of % by mass on the basis of oxides, respective components of B | 09-23-2010 |
Hiroyuki Ohkawa, Matsusaka-Shi Mie JP
| Patent application number | Description | Published |
|---|---|---|
| 20090121998 | Display Apparatus and Method For Driving The Same - A liquid crystal display apparatus ( | 05-14-2009 |