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. 09, 2016
Filed:
Sep. 29, 2014
Applicant:
Silicon Works Co., Ltd., Daejeon-si, KR;
Inventors:
Kyung Jik Min, Seoul, KR;
Hyun Kyu Jeon, Daejeon-si, KR;
Yong Ik Jung, Incheon, KR;
Hyun Ho Cho, Incheon-si, KR;
Young Bok Kim, Daejeon-si, KR;
Assignee:
SILICON WORKS CO., LTD., Daejeon-Si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 27/02 (2006.01); G09G 3/32 (2016.01);
U.S. Cl.
CPC ...
G09G 3/3291 (2013.01); G11C 27/026 (2013.01); G09G 3/3233 (2013.01); G09G 2300/0842 (2013.01); G09G 2310/0294 (2013.01);
Abstract
A sample and hold circuit may include: a main sample and hold circuit configured to sample and hold pixel information of an organic light emitting diode (OLED) cell, and output a first output signal; and a dummy sample and hold circuit configured to sample and hold a reference voltage in synchronization with the main sample and hold circuit, and output a second output signal for offsetting a switching noise signal contained in the first output signal.