Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.

Qi Cao

Xing Ming

Shiqiang Huang

Rui Xiong

Zhengyue Chen

The present disclosure provides a pixel driving circuit, a driving method thereof, and a display device. The pixel driving circuit includes a compensation unit, the compensation unit and a driving unit are coupled to a second node, and the compensation unit is connected to a first scanning signal; a light-emitting control unit is configured to receive a light-emitting signal, and the light-emitting control unit, the driving unit, and the compensation unit are coupled to a third node.

Pixel driving circuit, driving method thereof, and display device

A display panel, a display module, and an electronic device are provided. The display panel includes a third metal layer including a signal line, and a conductive layer including a connection portion. The connection portion is connected to the signal line. A pixel definition layer is disposed on the conductive layer, and the pixel definition layer includes a first opening region and a second opening region. A cathode is disposed in the second opening region and disposed on the pixel definition layer. The cathode is connected to the connection portion.

Display panel, display module, and electronic device

The display panel test circuit includes a first signal line, a first control line and a plurality of switching units, the first signal line comprises a first sub-signal line, a second sub-signal line and a plurality of third sub-signal lines, two ends of each of the third sub-signal lines are connected to the first sub-signal line and the second sub-signal line respectively. Each switching unit includes a first switching device, a control end thereof is connected to the first control line, an input end thereof is connected to the first sub-signal line, the output end of the first switching device is a test signal output end of the switching unit to which the first switching device belongs, and a portion of the first sub-signal line between any two adjacent switching units is connected to at least one third sub-signal line.

Growing community of inventors

Wuhan, China

Qi Cao