发明名称 |
METHOD FOR MEASURING THE ABSOLUTE LIGHT THROUGHPUT OF REFLECTIVE-MODE DISPLAYS IN AN OPTICAL SYSTEM |
摘要 |
A method for measuring the absolute throughput of a polarization modulating reflective display in an optical system having a folded light path. The steps include measuring a first light intensity, LR, in the folded light path, having a first polarizing beam splitter, and a reflective display. A second intensity, LO, is measured using an unfolded light path where the reflective display is replaced by a second cross-rotated polarizing beam splitter. The absolute throughput is TM is calculated, where TM = LR/LO. |
申请公布号 |
WO02054037(A2) |
申请公布日期 |
2002.07.11 |
申请号 |
WO2001US14332 |
申请日期 |
2001.05.03 |
申请人 |
3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
AASTUEN, DAVID, J., W.;BRUZZONE, CHARLES, L. |
分类号 |
G01M11/00;G02F1/13;G02F1/1335 |
主分类号 |
G01M11/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|