| Patent application number | Description | Published |
|---|
| 20080238298 | IMAGE DISPLAY DEVICE - An image display device is provided, which includes a first substrate having a cold-cathode electron-emission element which emits electrons, and a second substrate which is spaced from and opposed to the first substrate. The second substrate has a transparent substrate, a light-emitting layer provided on the transparent substrate and including phosphor particles containing zinc sulfide as a base material, a boron nitride film disposed on a surface of the light-emitting layer, and an anode applying a voltage to the light-emitting layer. | 10-02-2008 |
| 20090072195 | LUMINESCENT MATERIAL - A luminescent material is provided, which includes a carbide oxynitride-based compound having a composition represented by formula 1: | 03-19-2009 |
| 20090096361 | LUMINESCENT MATERIAL AND LIGHT-EMITTING DEVICE - A luminescent material which is featured in that it exhibits an emission peak at a wavelength ranging from 490 to 580 nm as it is excited by light having a wavelength ranging from 250 to 500 nm and that it has a composition represented by the following general formula (2): | 04-16-2009 |
| 20090127507 | LUMINESCENT MATERIAL - A luminescent material is provided, which includes a material formed of a single composition containing the main crystal phase and an activator which causes light emission. The material exhibits a narrowband light emission spectrum in a wavelength ranging from 540 nm to 550 nm and a broadband light emission spectrum in a wavelength ranging from 500 nm to 600 nm when the material is excited with light having the main light emission peak having a wavelength ranging from 370 nm to 460 nm. | 05-21-2009 |
| 20100025632 | FLUORESCENT SUBSTANCE AND LIGHT-EMITTING DEVICE EMPLOYING THE SAME - The present invention provides a fluorescent substance excellent both in quantum efficiency and in temperature characteristics, and also provides a light-emitting device utilizing the fluorescent substance. This fluorescent substance contains an inorganic compound comprising a metal element M, a trivalent element M | 02-04-2010 |
| 20110057149 | LUMINESCENT MATERIAL AND LIGHT-EMITTING DEVICE - A luminescent material which is featured in that it exhibits an emission peak at a wavelength ranging from 490 to 580 nm as it is excited by light having a wavelength ranging from 250 to 500 nm and that it has a composition represented by the following general formula (2): | 03-10-2011 |
| 20110058582 | LUMINESCENT MATERIAL AND LIGHT-EMITTING DEVICE - A luminescent material which is featured in that it exhibits an emission peak at a wavelength ranging from 490 to 580 nm as it is excited by light having a wavelength ranging from 250 to 500 nm and that it has a composition represented by the following general formula (2): | 03-10-2011 |
| 20110058583 | LUMINESCENT MATERIAL AND LIGHT-EMITTING DEVICE - A luminescent material which is featured in that it exhibits an emission peak at a wavelength ranging from 490 to 580 nm as it is excited by light having a wavelength ranging from 250 to 500 nm and that it has a composition represented by the following general formula (2): | 03-10-2011 |
