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:
Jun. 23, 2020
Filed:
Dec. 17, 2015
Applicant:
Commissariat a L'energie Atomique ET Aux Energies Alternatives, Paris, FR;
Inventors:
Sebastien Giudicelli, Grenoble, FR;
Stephane Getin, Grenoble, FR;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/01 (2006.01); G02B 27/30 (2006.01); G02B 5/32 (2006.01);
U.S. Cl.
CPC ...
G02B 27/0172 (2013.01); G02B 27/30 (2013.01); G02B 5/32 (2013.01); G02B 2027/0123 (2013.01); G02B 2027/0174 (2013.01); G02B 2027/0178 (2013.01);
Abstract
An optical projection device for a display such as augmented reality glasses. The optical system includes a planar optical guide; at least two input optics; at least two collimation elements, each being associated with an input optics, and directly located on a face of the planar optical guide; and conjugation device, arranged to conjugate in twos an input optics and the associated collimation element. The invention provides a wide field and compact offset projection device.