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:
Jan. 25, 2022
Filed:
Oct. 20, 2020
Applicant:
Lumileds Llc, San Jose, CA (US);
Inventor:
Rob Jacques Paul Engelen, Eindhoven, NL;
Assignee:
Lumileds LLC, San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 5/00 (2018.01); F21V 7/28 (2018.01); G02B 3/00 (2006.01); G02B 19/00 (2006.01); G02B 27/30 (2006.01); F21Y 115/10 (2016.01); F21V 7/06 (2006.01);
U.S. Cl.
CPC ...
F21V 5/007 (2013.01); F21V 7/28 (2018.02); G02B 3/0056 (2013.01); G02B 19/0066 (2013.01); G02B 27/30 (2013.01); F21V 7/06 (2013.01); F21Y 2115/10 (2016.08);
Abstract
A system can include a light emitting diode (LED) and a transparent structure disposed over the LED. The transparent structure includes a first surface that reflects light extracted from the LED and incident on the first surface. The transparent structure also includes an exit surface opposite the first surface. The exit surface includes a first area that is textured to diffuse light over a first angular range and a second area that is textured to diffuse light over a second angular range. The second angular range is wider than the first angular range.