Rear-projection display device
First Claim
Patent Images
1. A rear-projection display device comprising:
- a mobile light source supplying a light beam of at least one wavelength, a holographic mirror reflecting only said at least one wavelength, an absorbent screen, and a transmissive diffuser, the absorbent screen being placed on the rear surface of the holographic mirror, the elements being arranged so that the beam from the light source is reflected on the holographic mirror to scan the surface of the transmissive diffuser anda package having the mobile light source, the holographic mirror, and the absorbent screen integrated therein, an opening being defined in the package, the transmissive diffuser being placed at the level of said opening.
1 Assignment
0 Petitions
Accused Products
Abstract
A rear-projection display device comprises a mobile light source supplying a light beam of at least one wavelength, a holographic mirror reflecting only said at least one wavelength, an absorbent screen and a transmissive diffuser, the absorbent screen being placed on the rear face of the holographic mirror, the elements being arranged such that the beam from the light source is reflected on the holographic mirror in order to sweep the surface of the transmissive diffuser.
11 Citations
11 Claims
-
1. A rear-projection display device comprising:
-
a mobile light source supplying a light beam of at least one wavelength, a holographic mirror reflecting only said at least one wavelength, an absorbent screen, and a transmissive diffuser, the absorbent screen being placed on the rear surface of the holographic mirror, the elements being arranged so that the beam from the light source is reflected on the holographic mirror to scan the surface of the transmissive diffuser and a package having the mobile light source, the holographic mirror, and the absorbent screen integrated therein, an opening being defined in the package, the transmissive diffuser being placed at the level of said opening. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
-
Specification