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:
Feb. 12, 2019
Filed:
Dec. 28, 2015
Applicant:
Shenzhen China Star Optoelectronics Technology Co., Ltd., Shenzhen, CN;
Inventors:
Taijiun Hwang, Shenzhen, CN;
Pengfei Liang, Shenzhen, CN;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/3233 (2016.01); H01L 27/32 (2006.01); G09G 3/3258 (2016.01); H01L 27/12 (2006.01);
U.S. Cl.
CPC ...
G09G 3/3233 (2013.01); G09G 3/3258 (2013.01); H01L 27/124 (2013.01); H01L 27/3276 (2013.01);
Abstract
A sensing circuit for sensing a micro current and voltage of a device to be tested is disclosed. The sensing circuit includes a pixel circuit and a sensing circuit. The sensing circuit is connected to the pixel circuit via a sensing line. The sensing circuit includes an amplifier, a first capacitor, a first switch, a second switch, a third switch, a fourth switch, a correlated double sampling (CDS) circuit, and an analog-to-digital converter (ADC).