Sony Corporation

Masaaki Kawamata

Tsuneo Kusunoki

Takahiro Igarashi

Takashi Tamura

Katsutoshi Ohno

Koichiro Kakinuma

Shuichi Haga

A phosphor includes Eu-activated YVO:Eu doped Pith 10 ppm to 3,000 ppm of Tb and/or 50 ppm to 4,500 ppm of Sm. The luminance of light emitted by ultraviolet excitation is higher than that of undoped YVO:Eu.

Phosphor, fluorescent lamp using the same, and display device and illuminating device using fluorescent lamp

A color liquid crystal display device assembly includes a color liquid crystal display device in which pixels each including at least a first subpixel, a second subpixel, and a third subpixel are arranged in a two-dimensional matrix, and a planar light source device which has light sources emitting first primary light corresponding to a first primary color of the light three primary colors and illuminating the color liquid crystal display device, and the liquid crystal display device has (A) second primary light emitting regions which emit second primary light when excited by the first primary light passing through the second subpixel, (B) third primary light emitting regions which emit third primary light when excited by the first primary light passing through the third subpixel, and (C) diffusion regions which diffuse the first primary light emitted from the light sources and passing through each first subpixel.

Color liquid crystal display device assembly

Growing community of inventors

Kanagawa, Japan

Masaaki Kawamata