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:
May. 24, 2022
Filed:
Apr. 13, 2016
Applicant:
Texas Instruments Incorporated, Dallas, TX (US);
Inventors:
Zhongyan Sheng, Allen, TX (US);
Terry Alan Bartlett, Dallas, TX (US);
Assignee:
TEXAS INSTRUMENTS INCORPORATED, Dallas, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/20 (2006.01); F21V 9/30 (2018.01); G03B 21/16 (2006.01);
U.S. Cl.
CPC ...
G03B 21/204 (2013.01); F21V 9/30 (2018.02); G03B 21/16 (2013.01); G03B 21/208 (2013.01);
Abstract
In described examples, a body includes an opening in a central portion of a surface, a cavity having sides extending from the opening into the body, and a bottom surface within the body supporting a phosphor configured to emit light when energized by incoming light. In a further arrangement, the sides are tapered from the opening to the bottom surface, such that a cross sectional area of the opening is greater than a cross sectional area of the bottom surface.