Optical part and projection type display apparatus using same

Details Optical part and projection type display apparatus using same Optical part and projection type display apparatus using same

2006-08-28

2009-11-10

Sugarman, Scott J (Department: 2873)

Optical: systems and elements

Single channel simultaneously to or from plural channels

By partial reflection at beam splitting or combining surface

C359S838000

Reexamination Certificate

active

07616380

ABSTRACT:
The object of the present invention is to provide an optical part having an anti-reflecting membrane which is low in resistance and high in adhesion and is sharply improved in light transmittance by reducing reflectance of light, and a display apparatus using the same. According to the present invention, there are provided an optical part which transmits or partially reflects light, wherein a light receiving face or a light outgoing face has an anti-reflecting membrane which comprises inorganic oxide particles and a binder, has a thickness of 60-190 nm, and has pores of 5-200 nm in size, and a display device using the same.

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