Projection-type display apparatus

Details Projection-type display apparatus Projection-type display apparatus

1998-02-27

1999-11-09

Epps, Georgia

Optical: systems and elements

Lens

With reflecting element

353 98, 355 67, G02B 1700

Patent

active

059825634

ABSTRACT:
A projection-type display apparatus including an elliptical condenser mirror having a concave reflecting surface consisting of part of a substantially elliptical surface, a light source arranged near a first focal point of the elliptical surface, a collimator lens having a focal point near a second focal point of the elliptical surface, and an optical modulation element array having a lens array on the collimator lens side, in which optical modulation elements each having an area S are two-dimensionally arranged.

REFERENCES:
patent: 4780747 (1988-10-01), Suzuki et al.
patent: 5161042 (1992-11-01), Hamada
patent: 5300942 (1994-04-01), Dolgoff
patent: 5374968 (1994-12-01), Haven et al.
patent: 5455694 (1995-10-01), Ariki et al.
patent: 5473410 (1995-12-01), Nishi
patent: 5622418 (1997-04-01), Daijogo et al.

Affiliated with

Also associated with

Rating

Projection-type display apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Projection-type display apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Projection-type display apparatus will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1464422