发明名称 |
LIGHT GUIDE MEMBER, FLAT LIGHT SOURCE DEVICE, AND DISPLAY DEVICE |
摘要 |
A light guide member capable of reducing an unevenness of luminescent color and further a nonuniformity in luminance when obtaining a white color by a color mixture using a plurality of light sources, a flat light source device and a display device are provided. A protrusion 4 of a cylindrical shape is formed upward a plurality color of LED light sources 5R, 5G, 5B, e.g., RGB color at a backside face of a light guide member 1, and a conical depression 3 is disposed at the position directly over the protrusion. Lights of each color from LED light sources 5R, 5G, 5B are mixed at the protrusion 4, thereafter reflect at the depression 3 and propagates in a horizontal direction at a light guide portion 2. |
申请公布号 |
WO2007074933(A1) |
申请公布日期 |
2007.07.05 |
申请号 |
WO2006JP326346 |
申请日期 |
2006.12.26 |
申请人 |
SHOWA DENKO K.K.;NAIJO, SHUICHI;GOMI, SHUJI;WATANABE, TAKEO |
发明人 |
NAIJO, SHUICHI;GOMI, SHUJI;WATANABE, TAKEO |
分类号 |
F21V8/00;F21S8/04;F21V5/04;F21Y101/02;G02B6/00;G02F1/13357 |
主分类号 |
F21V8/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|