发明授权
- 专利标题: Light guide plate with tapering unit optical elements
- 专利标题(中): 导光板带锥形单元光学元件
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申请号: US13697615申请日: 2010-12-07
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公开(公告)号: US09182530B2公开(公告)日: 2015-11-10
- 发明人: Masahiro Goto , Hiroshi Sekiguchi , Hiroshi Yamamoto
- 申请人: Masahiro Goto , Hiroshi Sekiguchi , Hiroshi Yamamoto
- 申请人地址: JP Shinjuku-Ku
- 专利权人: Dai Nippon Printing Co., Ltd.
- 当前专利权人: Dai Nippon Printing Co., Ltd.
- 当前专利权人地址: JP Shinjuku-Ku
- 代理机构: Burr & Brown, PLLC
- 优先权: JP2010-124885 20100531
- 国际申请: PCT/JP2010/071907 WO 20101207
- 国际公布: WO2011/151942 WO 20111208
- 主分类号: F21V8/00
- IPC分类号: F21V8/00
摘要:
A light guide plate includes a body portion, first unit optical elements extending on the body portion in the light guide direction, and second unit optical elements disposed in between the first unit optical elements on the body portion. The width of each first unit optical element gradually decreases from that at the center to that at each end in the light guide direction. The ratio of the height to the width in each first unit optical element at the center is higher than the ratio of the height to the width in each second unit optical element.
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