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.

Date of Patent:
Mar. 06, 2018

Filed:

Mar. 13, 2013
Applicant:

Lumitex, Inc., Strongville, OH (US);

Inventors:

Gregg M Kloeppel, Sheffield, OH (US);

David Larson, Huntington Beach, CA (US);

Peter Broer, Bratenahl, OH (US);

Assignee:

LUMITEX, INC., Strongsville, OH (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V 8/00 (2006.01); G06F 3/02 (2006.01); H01H 13/83 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0055 (2013.01); G02B 6/0036 (2013.01); G06F 3/0202 (2013.01); G02B 6/006 (2013.01); G02B 6/0068 (2013.01); H01H 13/83 (2013.01); H03K 2217/96046 (2013.01);
Abstract

A backlit system comprises a base panel, a plurality of keys disposed on the base panel, a substantially planar light guide panel disposed between the base panel and the plurality of keys, at least one light source disposed on the light guide panel, and at least one light management feature disposed on the light guide panel. The at least one light management feature is configured to at least partially reflect incident light within the light guide panel.


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