| 发明名称 | Spread illuminating apparatus | ||
| 摘要 | A side-light type spread illuminating apparatus includes a light guiding plate; a light source arranged along a light entering face of the light guiding plate; a double-sided prism sheet arranged at a light emitted face side of the light guiding plate; and an optical member arranged at a back face side facing the light emitted face of the light guiding plate. The optical member includes a light absorption member allowing prevention of reflection of light that has been introduced into the optical member. | ||
| 申请公布号 | US8936385(B2) | 申请公布日期 | 2015.01.20 |
| 申请号 | US201213442148 | 申请日期 | 2012.04.09 |
| 申请人 | Minebea Co., Ltd. | 发明人 | Yamada Taku;Kawai Shinji;Ohara Tomoko |
| 分类号 | F21V7/04;F21V8/00;G02F1/1335 | 主分类号 | F21V7/04 |
| 代理机构 | Oliff PLC | 代理人 | Oliff PLC |
| 主权项 | 1. A sidelight type spread illuminating apparatus for a glasses-free 3D display system, comprising: a light guiding plate; a light source that is arranged along a light entering face of the light guiding plate; a double-sided prism sheet that is arranged at a light emitted face side of the light guiding plate; and an optical member that is arranged at a whole back face side facing the light emitted face of the light guiding plate, wherein the optical member evenly includes a first light absorption member unintermittently on a whole surface of the optical member so as to prevent reflection of light that has been introduced into the optical member. | ||
| 地址 | Kitasaku-gun JP | ||