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:
Oct. 25, 2011

Filed:

Jul. 20, 2010
Applicants:

Chien-ting Chan, Yongjing Township, Changhua County, TW;

Hsi-rong Han, Wurih Township, Taichung County, TW;

Wen-chun Wang, Taichung, TW;

Inventors:

Chien-Ting Chan, Yongjing Township, Changhua County, TW;

Hsi-Rong Han, Wurih Township, Taichung County, TW;

Wen-Chun Wang, Taichung, TW;

Assignees:

Dongguan Masstop Liquid Crystal Display Co., Ltd., Dongguan, Guangdong Province, CN;

Wintek Corporation, Taichung, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 19/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A bi-directional shift register includes N stages, wherein the mstage among the N stages includes a node, an output end, first input circuit, second input circuit, and a shift register unit. N is a natural number greater than 1 and m is a natural number smaller than or equal to N. First control signal is measured on the node. The output end outputs an moutput signal. The first input circuit receives an m−1output signal as a control signal and a power signal to accordingly generate an enabled first driving signal to the node in first period. The second input circuit receives an m+1output signal as a control signal and a power signal to accordingly generate an enabled second driving signal to the node in second period. Controlled by the first control signal, the shift register unit generates an moutput signal in third period.


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