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:
Jul. 07, 2015

Filed:

Dec. 26, 2012
Applicants:

Innocom Technology (Shenzhen) Co., Ltd., Longhua Town, Bao An District, Shenzhen, Guangdong Province, CN;

Chimei Innolux Corporation, Miao-Li County, TW;

Inventors:

Hong-Ru Guo, Miao-Li County, TW;

Lien-Hsiang Chen, Miao-Li County, TW;

Assignees:

INNOCOM TECHNOLOGY (SHENZHEN) CO., LTD., Longhua Town, Shenzhen, CN;

INNOLUX CORPORATION, Miao-Li County, TW;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 3/32 (2006.01); G09G 3/30 (2006.01);
U.S. Cl.
CPC ...
G09G 3/3208 (2013.01); G09G 3/30 (2013.01); G09G 2300/0439 (2013.01); G09G 3/3233 (2013.01); G09G 2300/0814 (2013.01); G09G 2300/0819 (2013.01); G09G 2320/045 (2013.01);
Abstract

A pixel driving circuit is provided, including first, second, third, fourth, and fifth switching devices and first and second capacitors. The first switching device has a first terminal coupled to a first power source voltage, and a control terminal coupled to a first scan signal line. The second switching device has a first terminal coupled to a second terminal of the first switching device, a second terminal coupled to a first node and an emitting device, and a control terminal coupled to a second node. The third switching device has a first terminal coupled between the first terminal of the second switching device and a second terminal of the first switching device, a second terminal coupled to the second node, and a control terminal coupled to a second scan signal line.


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