发明名称 |
Rear projection screen with optical sheet having irregularities caused by diffusing material smoothed with a transparent control layer |
摘要 |
A rear projection screen including a lenticular lens sheet with lenticular lenses for condensing or diffusing light and a transparent smooth layer having a surface roughness of 0 to 40 micrometers placed on the surface of the light-emerging side of the lenticular lens sheet. The rear projection screen can give an image that (1) is free from roughening, (2) has high fidelity gloss reproduction, and (3) has excellent contrast and sharpness.
|
申请公布号 |
US6295162(B1) |
申请公布日期 |
2001.09.25 |
申请号 |
US19980125292 |
申请日期 |
1998.08.14 |
申请人 |
DAI NIPPON PRINTING CO., LTD. |
发明人 |
MIYATA HIDEKI |
分类号 |
G03B21/62;(IPC1-7):G03B21/60 |
主分类号 |
G03B21/62 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|