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:
Dec. 21, 2021
Filed:
Jul. 20, 2017
Applicant:
Valeo Comfort and Driving Assistance, Créteil, FR;
Inventors:
François Grandclerc, Créteil, FR;
Pierre Mermillod, Créteil, FR;
Assignee:
VALEO COMFORT AND DRIVING ASSISTANCE, Créteil, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01); G02B 27/01 (2006.01); G02F 1/13357 (2006.01);
U.S. Cl.
CPC ...
G02B 27/0101 (2013.01); G02F 1/133531 (2021.01); G02F 1/133536 (2013.01); G02F 1/133606 (2013.01);
Abstract
An image generating device () comprises a liquid-crystal screen () and a light source (). The liquid-crystal screen () comprises a matrix of liquid crystals interposed between an input polariser and an output polariser. The image generating device () comprises a first additional polariser () located on the light path, upstream of said liquid-crystal screen (), and a second additional polariser () located on the light path, downstream of said liquid-crystal screen (). The invention also relates to a head-up display () comprising a device () of this type.