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:
Apr. 25, 2017
Filed:
Jun. 18, 2015
Applicant:
Commissariat À L'énergie Atomique ET Aux Énergies Alternatives, Paris, FR;
Inventor:
Christophe Martinez, Grenoble, FR;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/00 (2006.01); G02B 27/01 (2006.01); G02F 1/313 (2006.01); F21V 8/00 (2006.01); G02B 5/18 (2006.01);
U.S. Cl.
CPC ...
G02B 27/0172 (2013.01); G02B 5/18 (2013.01); G02B 6/0011 (2013.01); G02B 6/0036 (2013.01); G02F 1/313 (2013.01); G02B 2027/0105 (2013.01); G02B 2027/015 (2013.01); G02B 2027/0118 (2013.01); G02B 2027/0123 (2013.01); G02F 2201/305 (2013.01);
Abstract
An image projection device, including: at least one waveguide formed in a substrate; and at least one extraction device including a plurality of extraction cells coupled to different areas of the guide, each cell being capable of being electrically activated to extract light from the guide and project this light along a predetermined projection direction, wherein different extraction cells have projection directions with different orientations.