| 发明名称 |
DISPLAY ILLUMINATION DEVICE AND METHOD OF ENHANCING BRIGHTNESS IN A DISPLAY ILLUMINATION DEVICE |
| 摘要 |
An illumination device (110) including a lightguide (112) operates under the principle of frustrate total internal reflection. The illumination device (120) includes optical elements and combinations of optical elements for enhancing the apparent brightness of the lightguide (112).
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| 申请公布号 |
CA2384825(C) |
申请公布日期 |
2006.05.30 |
| 申请号 |
CA20002384825 |
申请日期 |
2000.09.08 |
| 申请人 |
3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
KRETMAN, WADE D.;WORTMAN, DAVID L.;COBB, SANFORD;GARDINER, MARK E.;EPSTEIN, KENNETH A. |
| 分类号 |
F21V8/00;G02B5/02;F21Y103/00;G02B5/30;G02B6/00;G02F1/1335;G02F1/13357;G02F1/13363 |
主分类号 |
F21V8/00 |
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