The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 31, 2017
Filed:
Sep. 26, 2014
Commissariat a L'energie Atomique ET Aux Energies Alternatives, Paris, FR;
Renault S.a.s., Boulogne-Billancourt, FR;
Umberto Rossini, Coublevie, FR;
Stéphane Getin, Grenoble, FR;
Martin Pertenais, Dax, FR;
Frédéric Sermet, Saint Jean de Moirans, FR;
Stéphane Regnier, Verrieres le Buisson, FR;
COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES, Paris, FR;
RENAULT S.A.S., Boulogne-Billancourt, FR;
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.