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. 30, 2019
Filed:
Jul. 28, 2016
Applicant:
Rockwell Collins, Inc., Cedar Rapids, IA (US);
Inventors:
Ricky J. Johnson, Shellsburg, IA (US);
David J. Gulick, Marion, IA (US);
Assignee:
Rockwell Collins, Inc., Cedar Rapids, IA (US);
Primary Examiner:
Int. Cl.
CPC ...
F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0021 (2013.01); G02B 6/0031 (2013.01); G02B 6/0051 (2013.01); G02B 6/0055 (2013.01); G02B 6/0068 (2013.01); G02B 6/0085 (2013.01);
Abstract
A backlight assembly uses one or more lighting elements and a light guide to provide backlight with a reduced number of lighting elements. The light guide is optically coupled with the one or more lighting elements and is configured to receive light at one or more locations, internally reflect the light at the extremities of the light guide, extract the light from the light guide, and radiate the light from a surface of the light guide to backlight an area.