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 8654061 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 18, 2014

Filed:

Dec. 23, 2008
Applicants:

Marek Mienko, San Jose, CA (US);

Gang Xu, Cupertino, CA (US);

Ion Bita, San Jose, CA (US);

Lai Wang, Milpitas, CA (US);

Russell W. Gruhlke, Milpitas, CA (US);

Inventors:

Marek Mienko, San Jose, CA (US);

Gang Xu, Cupertino, CA (US);

Ion Bita, San Jose, CA (US);

Lai Wang, Milpitas, CA (US);

Russell W. Gruhlke, Milpitas, CA (US);

Assignee:

QUALCOMM MEMS Technologies, Inc., San Diego, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/36 (2006.01);
U.S. Cl.
CPC ...
Abstract

An integrated illumination apparatus includes a light injection portion having a first end for receiving light from a light source. The light injection portion includes material that supports propagation of said light along the length of the light injection portion. Turning microstructure is disposed on a first side of the light injection. The turning microstructure is configured to turn at least a substantial portion of light incident on the first side and to direct the portion of the light out a second opposite side of the light injection portion. A slit is disposed along the length of the light injection portion. The slit forms an optical interface on the second opposite side of the light injection portion that provides total internal reflection for light propagating along the length of the light injection portion to be guided therein. The optical interface further transmits light turned by said turning microstructure. A light distribution portion is disposed with respect to the slit to receive the light turned by said turning microstructure and transmitted out of the second side of the light injection portion and through said slit. At least one bridge is disposed between light injection portion and the light distribution portion. The bridge mechanically connects the light injection portion to the light distribution portion.


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