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:
Apr. 27, 2021
Filed:
May. 05, 2020
Applicant:
Texas Instruments Incorporated, Dallas, TX (US);
Inventors:
Vivek Kumar Thakur, Plano, TX (US);
John M. Ferri, Allen, TX (US);
Paul L. Rancuret, McKinney, TX (US);
Assignee:
TEXAS INSTRUMENTS INCORPORATED, Dallas, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/00 (2006.01); G02B 27/28 (2006.01); G02B 27/14 (2006.01); F21V 8/00 (2006.01); G02B 27/12 (2006.01);
U.S. Cl.
CPC ...
G02B 27/0081 (2013.01); G02B 6/0023 (2013.01); G02B 6/0026 (2013.01); G02B 6/0076 (2013.01); G02B 6/0078 (2013.01); G02B 27/126 (2013.01); G02B 27/141 (2013.01); G02B 27/283 (2013.01); G02B 27/286 (2013.01);
Abstract
A pupil expansion apparatus includes: a beam splitter, configured to receive light from an optic and to replicate a pupil formed by the optic; and a waveguide, optically coupled to the beam splitter, the waveguide configured to receive light from the beam splitter and further expand the pupil.