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:
May. 05, 2009

Filed:

Jul. 13, 2007
Applicants:

BO Yong Chung, Yongin-si, KR;

Wang JO Lee, Yongin-si, KR;

Hyung Soo Kim, Yongin-si, KR;

Sang Moo Choi, Suwon-si, KR;

Inventors:

Bo Yong Chung, Yongin-si, KR;

Wang Jo Lee, Yongin-si, KR;

Hyung Soo Kim, Yongin-si, KR;

Sang Moo Choi, Suwon-si, KR;

Assignee:

Samsung Mobile Display Co., Ltd., Suwon-si, Gyeonggi-do, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03K 19/20 (2006.01);
U.S. Cl.
CPC ...
Abstract

A logic gate includes a first driver to receive an input signal, and to control a connection between a first power source and a first node in correspondence with the input signal, a second driver coupled to the first node and a second power source, and to control a voltage of the first node, a third driver to control a connection between an output terminal and the first power source in correspondence with the voltage of the first node, a control transistor to control a connection between the third driver and the second power source, a fourth driver to control a connection between a gate electrode of the control transistor and the second power source, and a second capacitor between a first electrode of the control transistor and the gate electrode of the control transistor, wherein the transistors are a same type of MOS transistor.


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