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:
May. 16, 2023
Filed:
Dec. 18, 2018
Applicant:
Dispelix Oy, Espoo, FI;
Inventors:
Juuso Olkkonen, Espoo, FI;
Antti Sunnari, Espoo, FI;
Assignee:
DISPELIX OY, Espoo, FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 27/01 (2006.01); G02B 5/08 (2006.01); G02B 5/18 (2006.01); F21V 8/00 (2006.01); G02B 27/00 (2006.01);
U.S. Cl.
CPC ...
G02B 27/0172 (2013.01); G02B 5/0825 (2013.01); G02B 5/1814 (2013.01); G02B 6/0055 (2013.01); G02B 27/0081 (2013.01);
Abstract
The invention relates to a diffractive waveguide display element comprising a waveguide body () having a first surface and a second surface opposite to the first surface, an outcoupling-diffractive optical element on said first surface for coupling light propagating inside the waveguide body out of the waveguide body, and a narrow-band reflector element () on said second surface. The invention also relates to a display device comprising such element.