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 8773614 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 08, 2014

Filed:

Dec. 29, 2011
Applicants:

Jae-jung Han, Seoul, KR;

Min-so JO, Seoul, KR;

Dae-il Kang, Gyeonggi-do, KR;

Inventors:

Jae-Jung Han, Seoul, KR;

Min-So Jo, Seoul, KR;

Dae-Il Kang, Gyeonggi-do, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01); G02F 1/1333 (2006.01);
U.S. Cl.
CPC ...
G02F 1/133615 (2013.01); G02F 1/1333 (2013.01); G02B 6/005 (2013.01); G02B 6/0076 (2013.01); G02F 2001/133342 (2013.01); G02B 6/0063 (2013.01); G02B 6/0046 (2013.01);
Abstract

A two-way liquid crystal display device includes first and second liquid crystal panels; a backlight unit disposed between the first and second liquid crystal panels and including an LED assembly and a light guide plate, wherein the LED assembly is disposed at a side surface of the light guide plate and the light guide plate includes predetermined patterns at first and second surfaces thereof facing the first and second liquid crystal panels, respectively; and a support main including a first part guiding the first liquid crystal panel and a second part guiding the second liquid crystal panel and the back light unit, wherein light emitted from the LED assembly is guided by the light guide plate and is provided to the first and second liquid crystal panels.


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