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:
Dec. 10, 2019
Filed:
Jun. 27, 2017
Applicant:
Microsoft Technology Licensing, Llc, Redmond, WA (US);
Inventors:
Dawson Yee, Medina, WA (US);
Lucas Warren Schmidt, Redmond, WA (US);
Assignee:
Microsoft Technology Licensing, LLC, Redmond, WA (US);
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/01 (2006.01); F21V 8/00 (2006.01); G02B 7/00 (2006.01);
U.S. Cl.
CPC ...
G02B 27/0149 (2013.01); G02B 6/005 (2013.01); G02B 6/0085 (2013.01); G02B 7/008 (2013.01); G02B 27/0101 (2013.01); G02B 27/017 (2013.01); G02B 2027/0125 (2013.01);
Abstract
A system for displaying visual information to a user includes a waveguide and a thermal management device. The waveguide has a front surface, a rear surface, and a dual expansion grating area to guide light through the waveguide. The thermal management device is positioned at least partially overlapping the dual expansion grating area and in thermal communication with the dual expansion area.