Boe Technology Group Co., Ltd.

Hefei Boe Joint Technology Co., Ltd.

Hefei Xinsheng Optoelectronics Technology Co., Ltd.

Chao Jiao

Yongqian Li

Can Yuan

Zhidong Yuan

Meng Li

Lin Sun

Xuehuan Feng

Min He

Tao Ma

Zehua Ding

Taejin Kim

This application relates to display panels, methods of driving the same, and display devices. The display panel includes: a first pixel circuit and a demultiplexing circuit. The first pixel circuit includes a first reset circuit, a first data writing circuit, and a first drive circuit. A first terminal of the first reset circuit is connected to a first terminal of the first drive circuit. A second terminal of the first reset circuit is connected to a first multiplexing signal line. A control terminal of the first drive circuit is connected to a first terminal of the first data writing circuit. A second terminal of the first data writing circuit is connected to the first multiplexing signal line. The demultiplexing circuit includes a first control circuit and a second control circuit. A first terminal of the first control circuit is connected to the first multiplexing signal line. A second terminal of the first control circuit is used for receiving a reset signal. A first terminal of the second control circuit is connected to the first multiplexing signal line. A second terminal of the second control circuit is used for receiving a first data signal.

Display panels, methods of driving the same, and display devices

Disclosed herein is a substrate of a display panel, comprising: a support; a first alignment mark on the support; a first dielectric layer covering the first alignment mark; an auxiliary alignment mark aligned with the first alignment mark, wherein the auxiliary alignment mark comprises a recess into the first dielectric layer. Further disclosed herein is a display panel comprising the substrate, and a system comprising the display panel. Also disclosed herein is a method comprising: forming a first alignment mark on a support; forming a first dielectric layer covering the first alignment mark; and forming an auxiliary alignment mark aligned with the first alignment mark; wherein the auxiliary alignment mark comprises a recess into the first dielectric layer.

Substrate of a display panel with alignment marks, and a method of making the same

The present disclosure discloses a pixel circuit and a method of controlling the same. The pixel circuit includes: a light-emitting control sub-circuit, configured to transmit a data voltage at a data signal terminal to a first node under control of a first control terminal; a driving sub-circuit, configured to transmit a first power supply voltage at a first power supply terminal VDD to a second node Nunder control of a voltage at the first node; a first sensing sub-circuit, configured to maintain a voltage at the second node to be at a fixed level under control of the first control terminal; a second sensing sub-circuit, configured to transmit the voltage at the second node to a first sensing signal terminal under control of a second control terminal, so that the first sensing signal terminal senses a voltage associated with a threshold voltage of the driving sub-circuit.

Pixel circuit and method of controlling the same, display panel and display device

A pixel driving circuit, array substrate, display device and method for driving the pixel driving circuit are provided, the circuit includes: a control terminal and a first terminal of a driving switch circuit are respectively coupled to a first terminal of a data input switch circuit and an anode of a light-emitting device, and two terminals of a storage capacitor are respectively coupled to the control terminal of the driving switch circuit and the anode of the light-emitting device, two terminals of an intrinsic capacitor are respectively coupled to a cathode and the anode of the light-emitting device, a first terminal and a second terminal of a reset switch circuit are respectively coupled to the anode and the cathode of the light-emitting device, a capacitance of the intrinsic capacitor is greater than or equal to a preset multiple of a capacitance of the storage capacitor.

Pixel driving circuit, method for driving the same, array substrate and display device

Growing community of inventors

Beijing, China

Chao Jiao