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.:

US 8911131 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 16, 2014

Filed:

Aug. 30, 2012
Applicants:

Udayan Kanade, Pune, IN;

Balaji Ganapathy, Atlanta, GA (US);

Inventors:

Udayan Kanade, Pune, IN;

Balaji Ganapathy, Atlanta, GA (US);

Assignee:

I2iC Corporation, Foster City, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V 7/04 (2006.01); F21V 11/00 (2006.01); G02B 5/02 (2006.01); H01J 5/16 (2006.01); F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0028 (2013.01); G02B 6/0068 (2013.01); G02B 6/0078 (2013.01); G02B 6/0031 (2013.01); G02B 6/0025 (2013.01);
Abstract

An apparatus and method for coupling light from concentric illuminators into a light source in the form of a surface are disclosed. According to one embodiment, the apparatus comprises a plurality of concentric tubes, each tube including a light diffuser. The apparatus also has a sheet having a first edge with the plurality of concentric tubes placed along the first edge. Each tube of the plurality of concentric tubes diffuses light such that the light emanates in a predetermined pattern along the first edge of the sheet.


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Kanade, Udayan. (2014). Energy efficient concentric illuminators for illuminating a sheet (U.S. Patent No. 8911131). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8911131

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