| 发明名称 |
LAMINATED BACKLIGHT UNIT |
| 摘要 |
A backlight unit includes a light guide layer including a plurality of extraction features disposed along a rear face of the light guide layer, a first cladding layer adhesively secured to the rear face of the light guide layer, a plurality of turning structures disposed along the first cladding layer, and a second cladding layer adhesively secured to a front face of the light guide layer. The first cladding layer has a first refractive index lower than a guide refractive index of the light guide layer. The second cladding layer has a second refractive index lower than or equal to the first refractive index. |
| 申请公布号 |
US2016147006(A1) |
申请公布日期 |
2016.05.26 |
| 申请号 |
US201414552762 |
申请日期 |
2014.11.25 |
| 申请人 |
Microsoft Technology Licensing, LLC |
发明人 |
Large Timothy |
| 分类号 |
F21V8/00 |
主分类号 |
F21V8/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A backlight unit comprising:
a light guide layer having a front face and a rear face, the light guide layer comprising a plurality of extraction features disposed along the rear face of the light guide layer; a first cladding layer adhesively secured to the rear face of the light guide layer; a plurality of turning structures disposed along the first cladding layer; and a second cladding layer adhesively secured to the front face of the light guide layer; wherein the first cladding layer has a first refractive index lower than a guide refractive index of the light guide layer, and wherein the second cladding layer has a second refractive index lower than or equal to the first refractive index. |
| 地址 |
Redmond WA US |
