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. 14, 2021
Filed:
May. 05, 2020
Applicant:
Lumileds Llc, San Jose, CA (US);
Inventors:
Varun Dev Kakkar, Eindhoven, NL;
Arjen Van Der Sijde, Eindhoven, NL;
Erno Fancsali, Heusden-Zolder, BE;
Chunxia Feng, Shanghai, CN;
Nicola Bettina Pfeffer, Eindhoven, NL;
Assignee:
Lumileds LLC, San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 15/05 (2006.01); F21V 8/00 (2006.01); H04N 5/225 (2006.01);
U.S. Cl.
CPC ...
G03B 15/05 (2013.01); G02B 6/003 (2013.01); G02B 6/0018 (2013.01); G02B 6/0038 (2013.01); G02B 6/0073 (2013.01); H04N 5/2256 (2013.01); G03B 2215/0539 (2013.01); G03B 2215/0567 (2013.01); G03B 2215/0575 (2013.01); G03B 2215/0582 (2013.01); G03B 2215/0589 (2013.01);
Abstract
A device includes a light-emitting device (LED) having at least two vertical light-emitting sides, and a ring-shaped light guide having a bottom side, a top side comprising a light-emitting surface, an inner sidewall, and an outer sidewall defining an indentation having at least two vertical in-coupling surfaces mated to the at least two vertical light-emitting sides of the LED.