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. 02, 2022
Filed:
May. 06, 2020
Hkc Corporation Limited, Shenzhen, CN;
Chongqing Hkc Optoelectronics Technology Co., Ltd., Chongqing, CN;
Mingliang Wang, Chongqing, CN;
HKC Corporation Limited, Shenzhen, CN;
CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., Chongqing, CN;
Abstract
A display device comprises a power supply chip configured to output a gate-on voltage; a gamma chip configured to provide a gamma voltage; a detection resistor having a first terminal and a second terminal, wherein the first terminal is grounded; a display panel comprising a plurality of sub-pixels, a plurality of driving transistors and at least one detection transistor; wherein a gate electrode of the driving transistor receives the gate-on voltage, a first electrode of the driving transistor receives the gamma voltage, and a second electrode of the driving transistor is electrically connected to a corresponding sub-pixel; a gate electrode of the detection transistor receives the gate-on voltage, a first electrode of the detection transistor receives a test voltage, and a second electrode of the detection transistor is electrically connected to the second terminal; and a control circuit electrically connected to the second terminal.