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:
May. 08, 2012

Filed:

Feb. 20, 2008
Applicants:

Beom-shik Kim, Yongin-si, KR;

Hui Nam, Yongin-si, KR;

Chan-young Park, Yongin-si, KR;

Ja-seung Ku, Yongin-si, KR;

Inventors:

Beom-Shik Kim, Yongin-si, KR;

Hui Nam, Yongin-si, KR;

Chan-Young Park, Yongin-si, KR;

Ja-Seung Ku, Yongin-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
Abstract

An electronic display device including a display unit for displaying an image and a light controller disposed in front of the display unit. The light controller includes a polarizing switch for controlling a polarizing direction using an electrical signal, and a pattern polarizer for controlling light transmission in cooperation with the polarizing switch. The polarizing switch has first and second common electrodes facing each other and a liquid crystal layer located between the first and second common electrodes. The pattern polarizer has a plurality of polarizing portions and a plurality of non-polarizing portions alternately arranged in a first direction.


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