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:
Aug. 23, 2011
Filed:
Jan. 24, 2008
Yong-nien Rao, Hsinchu, TW;
Ko-yang Tso, Taipei County, TW;
Hui-wen Miao, Hsinchu, TW;
Chin-chieh Chao, Hsinchu, TW;
Yong-Nien Rao, Hsinchu, TW;
Ko-Yang Tso, Taipei County, TW;
Hui-Wen Miao, Hsinchu, TW;
Chin-Chieh Chao, Hsinchu, TW;
Raydium Semiconductor Corporation, Hsinchu, TW;
Abstract
A power-on screen pattern correcting apparatus is for correcting start output data of output terminals of a source driver such that a power-on screen pattern of a display is substantially uniform. The correcting apparatus comprises a flip-flop, a first logic unit and a second logic unit. The flip-flop controls a level of an inner signal to be substantially equal to a low signal level in response to a low level of a power start signal. The first logic unit enables a first signal in response to the low level of the inner signal or a low level of a high-impedance control signal. The second logic unit enables a second signal such that the output terminals are coupled to a charge sharing line and the power-on screen pattern is uniform in response to the low level of the inner signal or a low level of a charge-sharing control signal.