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:
May. 27, 2014
Filed:
Mar. 30, 2012
Chien-ming Chen, Tainan, TW;
Yann-hsiung Liang, Hsinchu, TW;
Hui-wen Miao, Hsinchu, TW;
Ko-yang Tso, New Taipei, TW;
Chien-Ming Chen, Tainan, TW;
Yann-Hsiung Liang, Hsinchu, TW;
Hui-Wen Miao, Hsinchu, TW;
Ko-Yang Tso, New Taipei, TW;
Raydium Semiconductor Corporation, Hsinchu County, TW;
Abstract
An output buffer of a source driver is disclosed. The output buffer includes a buffer input, a buffer output, a differential input stage, a bias current source, an output stage, a compensation capacitor, and a comparator. The output stage and the comparator are both operated between an analog supply voltage (AVDD) and a ground voltage (AGND). The comparator compares an input voltage and an output voltage and outputs a control signal to the bias current source according to the compared result to control a bias current outputted by the bias current source to enhance the slew rate of the output buffer.