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:
Feb. 06, 2024
Filed:
Feb. 19, 2019
Applicant:
Dispelix Oy, Espoo, FI;
Inventors:
Juuso Olkkonen, Espoo, FI;
Petri Myöhänen, Espoo, FI;
Assignee:
DISPELIX OY, Espoo, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/18 (2006.01); F21V 8/00 (2006.01); G02B 6/124 (2006.01); G02B 27/00 (2006.01); G02B 27/01 (2006.01); G02B 27/42 (2006.01); G02B 6/00 (2006.01);
U.S. Cl.
CPC ...
G02B 27/0081 (2013.01); G02B 5/1814 (2013.01); G02B 6/0016 (2013.01); G02B 6/0038 (2013.01); G02B 6/124 (2013.01); G02B 27/0101 (2013.01); G02B 27/0103 (2013.01); G02B 27/0172 (2013.01); G02B 27/42 (2013.01); G02B 27/4272 (2013.01); G02B 6/00 (2013.01); G02B 2027/0174 (2013.01);
Abstract
There is provided an exit pupil expander (EPE) for use in a diffractive display, the EPE comprising a plurality of diffractive zones on a waveguide and a plurality of non-diffractive zones between at least some of the diffractive zones.