Cross dichroic mirror, illuminating device, and projection...

Details Cross dichroic mirror, illuminating device, and projection... Cross dichroic mirror, illuminating device, and projection...

2008-04-22

2008-04-22

Mahoney, Christopher (Department: 2862)

Optics: image projectors

Polarizer or interference filter

C353S031000, C353S099000

Reexamination Certificate

active

07360901

ABSTRACT:
A projection type video display is provided with three LED light sources. A first LED light source emits a light in red, a second LED light source emits a light in green, and a third LED light source emits a light in blue. Lights in respective colors emitted from each LED light source are guided into a light incidence surface of a rod integrator by a cross dichroic mirror. The cross dichroic mirror is formed of a first cross dichroic mirror portion and a second dichroic mirror portion. The first cross dichroic mirror portion is divided into two portions, and the second cross dichroic mirror portion, too, is divided into two portions. The cross dichroic mirror has structure of a cross arrangement in which these four divided portions bring respective corner sides into close contact.

REFERENCES:
patent: 5073013 (1991-12-01), Sonehara et al.
patent: 5153752 (1992-10-01), Kurematsu et al.
patent: 5546206 (1996-08-01), Nakanishi et al.
patent: 5864374 (1999-01-01), Ito et al.
patent: 6067128 (2000-05-01), Imai
patent: 6183091 (2001-02-01), Johnson et al.
patent: 8-334736 (1996-12-01), None
patent: 2002-189263 (2002-07-01), None
Chinese Office Action issued in Chinese Patent Application No. CN 2005100629071, dated Aug. 17, 2007.

Affiliated with

Also associated with

Rating

Cross dichroic mirror, illuminating device, and projection... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Cross dichroic mirror, illuminating device, and projection..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Cross dichroic mirror, illuminating device, and projection... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2784480