发明名称 |
LIGHTING DEVICE, DISPLAY DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE |
摘要 |
A lighting device includes a light source 30, a light guide 20 provided adjacent to the light source 30 and including a light source light incident surface 21 on which light emitted by the light source 30 enters and a planar light emission surface 22 from which planar light is emitted, and an optical sheet 50 including a planar light incident surface 53 on which the planar light enters, and configured to change a traveling direction of the planar light because a light emission side of the optical sheet 50 has a shape in which plural columnar prisms 51 extending in parallel to the light source light incident surface 21 are arranged side by side. In each of the prisms 51, a distal surface has at least different two kinds of inclination angles. |
申请公布号 |
US2012320310(A1) |
申请公布日期 |
2012.12.20 |
申请号 |
US201213523287 |
申请日期 |
2012.06.14 |
申请人 |
ADACHI MASAYA;TOBE AKIYOSHI;SHIRAISHI YASUHISA;JAPAN DISPLAY EAST INC. |
发明人 |
ADACHI MASAYA;TOBE AKIYOSHI;SHIRAISHI YASUHISA |
分类号 |
F21V5/02;F21V8/00;G02F1/1335;G02F1/13357 |
主分类号 |
F21V5/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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