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US 5,708,530 AGranted
Multi-zoned dichroic mirror for liquid crystal projection system
AssigneeElectronics Research & Service Organization
InventorTsai-Yun Huang
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AssigneeElectronics Research & Service Organization
InventorTsai-Yun Huang
Estimating the term…
A multi-zoned dichroic mirror for use in a liquid crystal projection system that is capable producing projected images having improved color uniformity including a dichroic mirror which is divided into at least two regions of a first and a second region, a first region on the dichroic mirror that is coated with a first dichroic coating which compensates for color variations caused by variations in the incident angles of the incident light beams in a positive manner, and a second region on the dichroic mirror coated with second dichroic coating which compensates for color variation caused by variations in the incident angles of the incident light beams in a negative manner.
A dichroic mirror for use in a liquid crystal projection system to produce projected color images comprising:
A dichroic mirror for use in a liquid crystal projection system for producing projected color images comprising:
Dependencies are inferred from the claim text.