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:
Jul. 27, 2021
Filed:
Dec. 19, 2019
Applicant:
Lumileds Llc, San Jose, CA (US);
Inventors:
Mehdi Aas, Eindhoven, NL;
Arjen Gerben Van der Sijde, Eindhoven, NL;
Erno Fancsali, Heusden-Zolder, BE;
Nicola Bettina Pfeffer, Eindhoven, NL;
Assignee:
Lumileds LLC, San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0088 (2013.01); G02B 6/002 (2013.01); G02B 6/003 (2013.01); G02B 6/0065 (2013.01);
Abstract
A backlight apparatus can include a lens to receive light and generate light with a collimated batwing configuration. The lens can include a receiving surface and an opposing transmission surface. The lens can be symmetric about a plane of symmetry. The transmission surface can include an angle of curvature that increases closer to the plane of symmetry.