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.:
Date of Patent:
Jun. 26, 2012
Filed:
Nov. 21, 2008
Yi-cheng Tsai, Chiayi County, TW;
Wen-chun Wang, Taichung, TW;
Hsi-rong Han, Taichung County, TW;
Chien-ting Chan, Changhua County, TW;
Yi-Cheng Tsai, Chiayi County, TW;
Wen-Chun Wang, Taichung, TW;
Hsi-Rong Han, Taichung County, TW;
Chien-Ting Chan, Changhua County, TW;
Wintek Corporation, Taichung, TW;
Abstract
A shift register comprises many stages, and each of stages comprises a first, a second and a third level control unit and a first and a second control unit is provided. The first and the second level control unit respectively provides a first clock signal and a voltage to an output terminal. The first driving unit and the level control unit are coupled to a first node. The first driving unit turns on and turns off the first level control unit in response to an input signal, a second control signal and a first control signal of the next stage. The second driving unit turns on and turns off the second level control unit in response to the first control signal. The third level control unit provides a first voltage to the output terminal in response to the second control signal and the first control signal.