发明名称 |
Transparent display with diffuser backed microtextured illuminating device and method of manufacture therefor |
摘要 |
The present invention provides a substantially planar illuminating device, a visual display having an internal light source and a method of manufacture therefor. The illuminating device includes a transparent substrate having a pair of substantially parallel major surfaces and an entry point for accepting light from the light source wherein the substrate functions as a guide for the light. The device also includes a plurality of microelements located on one of the pair of surfaces. The microelements have a substantially planar surface with an average roughness less than one micron and a side wall abnormal to the planar surface. In advantageous embodiments, the side wall is curved. The planar surface is configured to re-direct a substantial amount of light received in the substrate from an external light source out of the substrate. The side wall is configured to re-direct light from the internal light source out of the substrate.
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申请公布号 |
US6036327(A) |
申请公布日期 |
2000.03.14 |
申请号 |
US19980063514 |
申请日期 |
1998.04.21 |
申请人 |
LUCENT TECHNOLOGIES INC. |
发明人 |
BLONDER, GREG E.;JOHNSON, BERTRAND H.;WONG, YIU-HUEN |
分类号 |
F21V8/00;G02B6/00;(IPC1-7):F21V7/04 |
主分类号 |
F21V8/00 |
代理机构 |
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