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:
Oct. 25, 2022
Filed:
Jun. 30, 2021
Applicant:
Lumileds Llc, San Jose, CA (US);
Inventors:
Kentaro Shimizu, Sunnyvale, CA (US);
Venkata Ananth Tamma, San Jose, CA (US);
Hisashi Masui, San Jose, CA (US);
Assignee:
Lumileds LLC, San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 9/30 (2018.01); H01L 33/50 (2010.01); H01L 25/075 (2006.01); F21Y 115/10 (2016.01);
U.S. Cl.
CPC ...
F21V 9/30 (2018.02); H01L 25/0753 (2013.01); H01L 33/505 (2013.01); H01L 33/508 (2013.01); F21Y 2115/10 (2016.08);
Abstract
A device including a phosphor layer having a plurality of holes or pockets arranged within the phosphor layer to reduce lateral light transmission. The phosphor layer can be sized and positioned to extend over a plurality of LED emitter pixels.