发明名称 |
Transparent substrate for area light emitting device, a method for producing transparent substrate, and area light emitting device and liquid crystal display device |
摘要 |
A transparent substrate used for an area light emitting device. The transparent substrate comprises a light incidence surface and a light exit surface opposite to the light incidence surface. A plurality of recesses are formed on the light exit surface bulged towards the light incidence surface. Each recess has a shape approximately corresponding to a portion of an oval sphere. Each recess perimeter on the light exit surface is approximately circle. Each recess is separately formed from other recesses.
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申请公布号 |
US2005151226(A1) |
申请公布日期 |
2005.07.14 |
申请号 |
US20040808649 |
申请日期 |
2004.03.25 |
申请人 |
TAKEUCHI NORIHITO;ISOGAI FUMIKAZU;ISHIKAWA HARUYUKI;YOSHIDA MIKIO |
发明人 |
TAKEUCHI NORIHITO;ISOGAI FUMIKAZU;ISHIKAWA HARUYUKI;YOSHIDA MIKIO |
分类号 |
G02B5/02;F21V8/00;G02B6/00;G02F1/1335;G02F1/13357;H01L51/50;H01L51/52;H05B33/02;H05B33/10;(IPC1-7):H01P5/00 |
主分类号 |
G02B5/02 |
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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