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:
Sep. 20, 2011

Filed:

Jul. 24, 2008
Applicant:

Dong-gyun Ra, Asan-si, KR;

Inventor:

Dong-Gyun Ra, Asan-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1333 (2006.01);
U.S. Cl.
CPC ...
Abstract

A display system includes a housing member which has space therein, a plurality of light source units which are placed in the space, a diffusion member which is disposed on the light source units, a liquid crystal display panel which is disposed on the diffusion member, an infrared camera unit which is interposed between the liquid crystal display panel and the diffusion member and photograph a front region of the liquid crystal display panel, and a plurality of infrared light sources which emit infrared light to the front region of the liquid crystal display panel.


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