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:
Jan. 13, 2026
Filed:
May. 27, 2021
Applicant:
Commissariat a L'energie Atomique ET Aux Energies Alternatives, Paris, FR;
Inventors:
Cyrielle Monpeurt, Grenoble, FR;
Salim Boutami, Grenoble, FR;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/35 (2014.01); F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
G01N 21/35 (2013.01); G02B 6/0036 (2013.01); G01N 2201/0635 (2013.01); G01N 2201/0638 (2013.01);
Abstract
A light distributing device configured for, in use, distributing, over a scene to illuminate light rays that come from an auxiliary light source, and which comprises: a planar waveguide, with a core layer disposed between the two cladding layers; and an extraction set, located in the planar waveguide, and constituted by a plurality of diffraction gratings distributed in the two dimensions of a plane parallel to the plane of the planar waveguide.