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 7705940 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 27, 2010

Filed:

Jan. 15, 2008
Applicants:

DO Yeon Kim, Busan-si, KR;

Hoon Kang, Gumi-si, KR;

Inventors:

Do Yeon Kim, Busan-si, KR;

Hoon Kang, Gumi-si, KR;

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

Disclosed is a dual display LCD device including: a front light unit supplying light; a first polarizer on the front light unit; an LCD panel on the first polarizer; a selective reflection/transmission part on the LCD panel; and a second polarizer on the selective reflection/transmission part; wherein the selective reflection/transmission part selectively reflects the light in a reflection mode to display an image on a front side thereof in a first display mode; and wherein the selective reflection/transmission part passes the light in a transmission mode to display an image on a rear side thereof in a second display mode.


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Kim, Do. (2010). Dual display liquid crystal display device (U.S. Patent No. 7705940). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7705940

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