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:
Sep. 30, 2008
Filed:
Sep. 10, 2003
Applicants:
Changhwe Choi, Kyunggi-Do, KR;
Jungtae Park, Kyunggi-Do, KR;
Seungjung Lee, Kyunggi-Do, KR;
Doyoun Kim, Kyunggi-Do, KR;
Inventors:
Changhwe Choi, Kyunggi-Do, KR;
Jungtae Park, Kyunggi-Do, KR;
Seungjung Lee, Kyunggi-Do, KR;
Doyoun Kim, Kyunggi-Do, KR;
Assignee:
Samsung Electronics Co., Ltd., Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 3/36 (2006.01); H03F 3/45 (2006.01); H03K 19/0175 (2006.01);
U.S. Cl.
CPC ...
Abstract
A high slew rate amplifying circuit, for a TFT-type of LCD system, includes: an operational amplifier; a pull-up transistor connected to the output of the operational amplifier; a pull-down transistor to the output of the operational amplifier; a control circuit to selectively actuate the pull-up transistor and the pull-down transistor, e.g., according to at least one of a polarity signal and an output enable signal.