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:
Apr. 12, 2011

Filed:

Aug. 28, 2008
Applicants:

Michel Cadio, Carmel, IN (US);

Estill Thone Hall, Jr., Fishers, IN (US);

Brent Hoffman, Camby, IN (US);

Inventors:

Michel Cadio, Carmel, IN (US);

Estill Thone Hall, Jr., Fishers, IN (US);

Brent Hoffman, Camby, IN (US);

Assignee:

TTE Technology Inc., Indianapolis, IN (US);

Attorney:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01); G02F 1/13357 (2006.01); F21V 7/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

A backlight assembly for a display panel includes a light pipe that is divided into a plurality of horizontal portions, a light source including a plurality of selectively illuminated lamps arranged at lateral sides of each of the horizontal portions for emitting light into the light pipe, a plurality of diffusion surfaces, each of the diffusion surfaces being provided on a selected area of a respective one of the plurality of the horizontal portions, wherein each of the diffusion surfaces causes light to be emitted from the selected area of the respective horizontal portion when the light pipe is illuminated by the lamp associated therewith.


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