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. 09, 2021
Filed:
Aug. 26, 2019
Samsung Display Co., Ltd., Yongin-si, KR;
Yeon Keon Moon, Yongin-si, KR;
Joon Seok Park, Yongin-si, KR;
Kwang Suk Kim, Yongin-si, KR;
Tae Sang Kim, Yongin-si, KR;
Geunchul Park, Yongin-si, KR;
Jun Hyung Lim, Yongin-si, KR;
Kyungjin Jeon, Yongin-si, KR;
SAMSUNG DISPLAY CO., LTD., Yongin-si, KR;
Abstract
An organic light emitting display device may include a display panel, a source driving circuit, and a voltage generator. The display panel may include a pixel circuit including a driving transistor to drive an organic light emitting diode. The driving transistor may have four independent terminals including first and second gate electrodes. The source driving circuit may provide a data voltage to the pixel circuit. The voltage generator may apply an independent bias voltage to the second gate electrode of the driving transistor to control a driving voltage range of the driving transistor.