发明授权
- 专利标题: Symbol illumination apparatus and video display apparatus
- 专利标题(中): 符号照明装置和视频显示装置
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申请号: US11177357申请日: 2005-07-11
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公开(公告)号: US07513429B2公开(公告)日: 2009-04-07
- 发明人: Hitoshi Takahashi , Hiroyoshi Maeda , Hideaki Yokka , Eiji Amaya
- 申请人: Hitoshi Takahashi , Hiroyoshi Maeda , Hideaki Yokka , Eiji Amaya
- 申请人地址: JP Tokyo
- 专利权人: Sony Corporation
- 当前专利权人: Sony Corporation
- 当前专利权人地址: JP Tokyo
- 代理机构: Finnegan, Henderson, Farabow, Garrett & Dunner, L.L.P.
- 优先权: JPP2004-205208 20040712
- 主分类号: G06K7/10
- IPC分类号: G06K7/10
摘要:
The present invention provides a symbol illumination apparatus configured to have a symbol such as characters printed on a front surface of a transparent member, and to allow light from a plurality of light sources to pass through an interior of the transparent member from one side of the transparent member, to illuminate the symbol. A lens sheet and a diffused sheet are inserted between the transparent member and the plurality of light sources in the symbol illumination apparatus. This configuration prevents a plurality of light rays from being seen on the bottom of the transparent member.