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. 31, 2018

Filed:

May. 10, 2016
Applicant:

Shenzhen China Star Optoelectronics Technology Co., Ltd., Shenzhen, Guangdong, CN;

Inventor:

Chenglei Nie, Guangdong, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/36 (2006.01); H01L 29/786 (2006.01);
U.S. Cl.
CPC ...
G09G 3/36 (2013.01); G09G 2300/0819 (2013.01); H01L 29/78648 (2013.01);
Abstract

The present disclosure relates to a liquid crystal device and the compensation circuit for organic light emitting diodes (OLEDs) thereof. The compensation circuit of the OLED includes a first switch unit, a second switch unit, a third switch unit, and a fourth switch unit. When the first switch unit and the second switch unit are turned off and the third switch unit and the fourth switch unit are turned on, the compensation circuit drives the OLED to emit light to compensate the OLED. With such configuration, the current passing through the OLED is prevented from being drifted caused by the threshold voltage of the TFT.


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