| 发明名称 |
PHOTO-CHROMIC COATING FOR OPTICS |
| 摘要 |
An eyepiece includes a viewing region to emit display light out of the eyepiece along an eye-ward direction, an input end peripherally located from the viewing region and configured to receive the display light into the eyepiece, one or more optical elements positioned to direct the display light received into the eyepiece out of the viewing region along the eye-ward direction, a first side through which ambient scene light is received into the eyepiece, a second side out of which the ambient scene light and the display light are passed along the eye-ward direction, and a photo-chromic coating disposed on the first side and the second side, the photo-chromic coating to darken in the presence of UV light. |
| 申请公布号 |
US2014211290(A1) |
申请公布日期 |
2014.07.31 |
| 申请号 |
US201414243799 |
申请日期 |
2014.04.02 |
| 申请人 |
Google Inc. |
发明人 |
Spitzer Mark B.;Gupta Anurag |
| 分类号 |
G02F1/03;G02B27/01 |
主分类号 |
G02F1/03 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. An eyepiece, comprising:
a viewing region to emit display light out of the eyepiece along an eye-ward direction; an input end peripherally located from the viewing region, the input end configured to receive the display light into the eyepiece; one or more optical elements positioned to direct the display light received into the eyepiece out of the viewing region along the eye-ward direction; a first side through which ambient scene light is received into the eyepiece; a second side out of which the ambient scene light and the display light are passed along the eye-ward direction; and a photo-chromic coating disposed on the first side and the second side, the photo-chromic coating to darken in the presence of UV light. |
| 地址 |
Mountain View CA US |
