Projection screen

Optical: systems and elements – Projection screen

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C353S122000

Reexamination Certificate

active

06987610

ABSTRACT:
A projection screen for use in a projection system is described. In an embodiment of the present invention, a projection screen includes a substrate having one or more fluorescent materials. The one or more fluorescent materials emit visible light with the incidence of one or more ranges of wavelengths of light. The one or more fluorescent materials absorb visible light in at least one other range of wavelengths that is not included in the one or more ranges. The visible light emitted by the one or more fluorescent materials provides an image with the incidence of an output from a projector. The output of the projector has wavelengths of light in the one or more ranges.

REFERENCES:
patent: 3881800 (1975-05-01), Friesem
patent: 4003080 (1977-01-01), Maiman et al.
patent: 4323301 (1982-04-01), Spector
patent: 4713577 (1987-12-01), Gualtieri et al.
patent: 4798994 (1989-01-01), Rijpers et al.
patent: 5045706 (1991-09-01), Tanaka et al.
patent: 5095244 (1992-03-01), Maeda et al.
patent: 5162160 (1992-11-01), Matsui et al.
patent: 5193015 (1993-03-01), Shanks
patent: 5957560 (1999-09-01), Do et al.
patent: 6128131 (2000-10-01), Tang
patent: 6373184 (2002-04-01), Suh et al.
patent: 6816306 (2004-11-01), Freese et al.
patent: 2004/0100692 (2004-05-01), Hou

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

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

Rate now

     

Profile ID: LFUS-PAI-O-3603036

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.