Projection display

Details Projection display Projection display

2011-07-19

2011-07-19

Harrington, Alicia M (Department: 2873)

Optical: systems and elements

Single channel simultaneously to or from plural channels

By partial reflection at beam splitting or combining surface

C359S811000

Reexamination Certificate

active

07982958

ABSTRACT:
A projection type image display apparatus is provided which includes a housing to hold an optical system including multi-lenses, a polarized-light conversion element and the color separation portion. The housing operates to provide an optical path between a light source, located outside the housing, and penetration-type image display elements and an optical synthesizing portion also located outside of the housing.

REFERENCES:
patent: 6334686 (2002-01-01), Shiraishi et al.
patent: 6587167 (2003-07-01), Fujimori et al.
patent: 6639743 (2003-10-01), Watanabe
patent: 6854848 (2005-02-01), Fujimori et al.
patent: 6910773 (2005-06-01), Nakashima et al.
patent: 6919992 (2005-07-01), Koyama
patent: 7532407 (2009-05-01), Hirata et al.
patent: 1402081 (2003-03-01), None
patent: 8-271855 (1996-10-01), None
patent: 2000-47328 (2000-02-01), None
patent: 2001-042425 (2001-02-01), None
patent: 2001-228534 (2001-08-01), None
patent: 2002-268015 (2002-09-01), None
patent: 2004-070116 (2004-03-01), None
patent: 2004-126496 (2004-04-01), None
patent: 2004-184889 (2004-07-01), None
patent: 2004-354795 (2004-12-01), None
patent: 2005-012303 (2005-01-01), None
Office Action in Japanese Patent Application 2005-231052, mailed Aug 31, 2010 (in Japanese) [4 pages].
Office Action issued in Japanese Patent Application No. 2005-231052 on Feb. 7, 2011.

Affiliated with

Also associated with

Rating

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2715881