发明名称 |
Edge light for a lighting panel |
摘要 |
A light emitting element is mounted on a substrate, a convex seal made of a transparent material is provided for sealing the light emitting element. The seal has a rectangular shape in plan view and has a convex shape. The convex shape of the seal has a first top in a direction of a long side of the rectangle, and has a second top in a direction of a short side of the rectangle, the first top has a first curved sectional shape, the second top has a second curved sectional shape, an average curvature of the first curved sectional shape is set to a value so that lightbeams discharged from the first top are expanded in the direction of the long side.
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申请公布号 |
US6953255(B2) |
申请公布日期 |
2005.10.11 |
申请号 |
US20020265362 |
申请日期 |
2002.10.07 |
申请人 |
CITIZEN ELECTRONICS CO., LTD. |
发明人 |
HORIUCHI MEGUMI;WATANABE MASAAKI |
分类号 |
H01L33/54;H01L33/56;H01L33/62;(IPC1-7):F21V21/00 |
主分类号 |
H01L33/54 |
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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