| 发明名称 |
OPTICAL PATH CHANGING DEVICE AND PROJECTOR |
| 摘要 |
An optical path changing device includes: a reflective member that reflects a light beam incident thereto, in a predetermined reflection direction; and a housing holding the reflective member. The housing has a first surface and a second surface with the reflective member interposed therebetween in a direction orthogonal to the reflection direction. The first surface and the second surface have openings, respectively, and a cooling gas is circulated from the opening in the first surface to the opening in the second surface. |
| 申请公布号 |
US2016363847(A1) |
申请公布日期 |
2016.12.15 |
| 申请号 |
US201615174170 |
申请日期 |
2016.06.06 |
| 申请人 |
Seiko Epson Corporation |
发明人 |
Takizawa Takahiro |
| 分类号 |
G03B21/16;G03B21/20;G02B7/18 |
主分类号 |
G03B21/16 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. An optical path changing device comprising:
a reflective member that reflects a light beam incident thereto, in a predetermined reflection direction; and a housing holding the reflective member, wherein the housing has a first surface and a second surface with the reflective member interposed therebetween in a direction orthogonal to the reflection direction, wherein the first surface and the second surface have openings, respectively, and wherein a cooling gas is circulated from the opening in the first surface to the opening in the second surface. |
| 地址 |
Tokyo JP |
