Chengdu Boe Optoelectronics Technology Co., Ltd.

Boe Technology Group Co., Ltd.

Beijing Boe Technology Development Co., Ltd.

Boe Technology Group

Yonglin Guo

Dan Cao

Tingliang Liu

Yu Wang

Jingwen Zhang

Wenhui Gao

Zhiliang Jiang

Cong Liu

Yunsheng Xiao

Ziyang Yu

Miao Wang

Xinyu Wei

Ming Hu

Shun Zhang

Huijuan Yang

Tianyi Cheng

Binyan Wang

Tiaomei Zhang

Yuan Yao

Yiran Li

Hongmei Fan

Yi Zhang

Xiangdan Dong

Yue Long

Haijun Qiu

Hongwei Ma

Tao Gao

Jianpeng Wu

Huijun Li

Wenbo Chen

Erjin Zhao

Huaisen Ren

Gukhwan Song

Yuqian Pang

Yidan Zhu

Sangwon Lee

Zhen Liu

Sifei Ai

A display substrate and a display device. The display substrate includes a base substrate and a plurality of sub-pixels arranged on the base substrate. A plurality of sub-pixel driving circuitries in the plurality of sub-pixels is arranged in columns, the columns of sub-pixel driving circuitries are divided into a plurality of column units, and each column unit includes at least two adjacent columns of sub-pixel driving circuitries. The display substrate further includes a first initialization signal transmission layer including a first initialization bus and a plurality of first initialization branches. The first initialization branch includes a first branch body member and a plurality of first branch extending members. The first branch body member is coupled to the sub-pixel driving circuitries in a corresponding column unit through the plurality of first branch extending members.

Display substrate and display device

The present disclosure provides a display device, a gate driving circuit, a shift register unit and a driving method thereof. The shift register unit includes an input subcircuit, a first control subcircuit, a second control subcircuit, a third control subcircuit and an output subcircuit. The third control subcircuit is connected to the first node, the second clock signal terminal and the fifth node, and is configured to control a potential of the fifth node according to potentials of the first node and the second clock signal terminal.

Display device, gate driving circuit, shift register unit and driving method thereof

Disclosed is a pixel drive circuit which is configured to drive a light emitting element to emit light and includes: a node control sub-circuit, configured to provide a signal of an initial signal terminal to a first node under control of a reset signal terminal, provide a signal of a second node to the first node under control of a scan signal terminal, and adjust a signal of the first node or the second node under control of a first control terminal; a drive sub-circuit, configured to provide a drive current to the second node under control of the first node and the third node; and a light emitting control sub-circuit, configured to provide a signal of a first power terminal to the third node and a signal of the second node to the fourth node under control of a light emitting control terminal.

Pixel drive circuit and drive method thereof, and display apparatus

The present disclosure provides a timing controller applied to a display device, where the display device includes a plurality of pixel circuits, a first driving circuit and a second driving circuit, each of the pixel circuits includes a driving transistor and a writing and compensation circuit; the first driving circuit is configured to sequentially output a first effective level signal to each of first control signal lines, according to a first driving start signal; the second driving circuit is configured to sequentially output a second effective level signal to each of second control signal lines, according to a second driving start signal; and the timing controller is configured to provide the first driving start signal and the second driving start signal during a refresh frame, where the number W of effective pulses in the first driving start signal is more than or equal to 2.

Timing controller, display device, and pixel driving method

A driving circuit includes a first driving signal generation circuit, a first output control circuit, a first gating circuit, a first first energy storage circuit, a first second energy storage circuit and a first output circuit; N is a positive integer; the first gating circuit controls to write the gating input signal into the first first node under the control of the gating control signal; the first output circuit controls to connect the Nth stage of output driving terminal and the first voltage terminal under the control of the potential of the first second node, and controls to connect the Nth stage of output driving terminal and the second voltage terminal under the control of the potential of the first third control node; the first third control node and the first second control node are different nodes.

Driving circuit, driving method, driving module and display device

Disclosed are a display panel and a display device. The pixel circuit in the display panel includes a control circuit, a drive circuit, and a regulating circuit. The control circuit controls the potential of the coupled control node based on the gate drive signal provided by the gate line and the data signal provided by the data line. The drive circuit drives the light-emitting element to emit light based on the potential of the control node and the drive power signal provided by the drive power line. The regulating circuit adjusts the potential of the control node through the coupling effect based on the drive power signal and the initial power signal provided by the initial power line.

Display panel and display device

A pixel driving circuit includes: a driving circuit, connecting a first node, a second node, and a third node, and configured to provide a driving current to the third node by using the second node; a compensation circuit, connecting the third node, a fourth node, and a first gate driving signal end, and configured to conduct the third node and the fourth node; a first reset circuit, connecting a first initial signal end, a fifth node, and a first reset signal end, and configured to transmit a signal of the first initial signal end to the fifth node; a first isolation circuit, connecting the first node and the fourth node, and configured to conduct the first node and the fourth node; and a second isolation circuit, connecting the first node and the fifth node, and configured to conduct the first node and the fifth node.

Pixel driving circuit and driving method thereof, display panel and display device

A pixel driving circuit is provided. The pixel driving circuit includes a driving transistor; a storage capacitor having a first capacitor electrode and a second capacitor electrode; a coupling capacitor having a third capacitor electrode and a fourth capacitor electrode; a control transistor; and a data write transistor having a gate electrode connected to a gate line, a first electrode connected to a data line, and a second electrode connected to a first electrode of the control transistor; wherein the control transistor has a gate electrode connected to a fourth control signal line, a first electrode connected to the second electrode of the data write transistor, and a second electrode connected to the first capacitor electrode and the fourth capacitor electrode; a gate electrode of the driving transistor is connected to the third capacitor electrode; and the control transistor is an n-type transistor.

Pixel driving circuit and display apparatus

A pixel circuit, a driving method therefor, and a display device are disclosed. In the pixel circuit, a first reset transistor is coupled between a first electrode of a light emitting device and a first initialization signal terminal, and a gate of the first reset transistor is coupled to a first light emitting control terminal; a second electrode of the light emitting device is coupled to a first power supply terminal; a compensation transistor is coupled between a gate and a first electrode of a drive transistor, and a gate of the compensation transistor is coupled to a first scan control terminal; a data writing transistor is coupled between a second electrode of the drive transistor and a data signal terminal, and a gate of the data writing transistor is coupled to a second scan control terminal.

Pixel circuit, driving method therefor, and display device

A pixel driving circuit, a method for driving the same and a display apparatus. The pixel driving circuit includes: a light-emitting device; a driving transistor which generates a current for driving the light-emitting device to emit light according to a data voltage; a first control circuit which conducts a first electrode of the driving transistor to a first node; a second control circuit which forms a current path from the first node to a first initialization signal terminal in a case where the first control circuit conducts the first electrode of the driving transistor to the first node, to allow a threshold voltage of the driving transistor to be input to the first node; a data writing circuit which inputs the data voltage of a data signal terminal to the first node.

Pixel driving circuit, method for driving pixel driving circuit and display apparatus

In a pixel circuit, a first reset transistor is coupled between a gate of a drive transistor and an initialization signal terminal, and a gate of the first reset transistor is coupled to a reset control terminal; a compensation transistor is coupled between the gate and a first electrode of the drive transistor, and a gate of the compensation transistor is coupled to a first scan control terminal; a data writing transistor is coupled between a second electrode of the drive transistor and a data signal terminal, and a gate of the data writing transistor is coupled to a second scan control terminal; a first light emitting control transistor is coupled between the second electrode of the drive transistor and a first power supply terminal, and a gate of the first light emitting control transistor is coupled to a light emitting control terminal.

Provided is a shift register unit. The shift register unit includes: a first input circuit, coupled to a first clock terminal, an input terminal, a first node and a second node; a second input circuit, coupled to the first node, the first clock terminal, a first power terminal and a third node; a first control circuit, coupled to the input terminal, the first clock terminal, the second node, a second power terminal, a second clock terminal and the third node; a second control circuit, coupled to the third node, the second clock terminal, the first node, the first power terminal, the second power terminal, a fourth node and a fifth node; and an output circuit, coupled to the fourth node, the fifth node, the first power terminal, the second power terminal and an output terminal.

Shift register unit, gate driver circuit, and display device

A display panel and a display apparatus are disclosed. The display panel includes: a display region, including M first display regions sequentially disposed along a first direction, and a non-display region, including M first GOA circuits and M clock signal line groups; a first display region includes multiple first signal lines sequentially disposed along the first direction and extending along a second direction intersecting with the first direction, a clock signal line group includes multiple clock signal lines, signals of at least two clock signal lines respectively in at least two clock signal line groups are same; a first GOA circuit includes multiple first GOA units, multiple first GOA units in an m-th first GOA circuit are connected with at least one clock signal line in an m-th clock signal line group, and are connected with multiple first signal lines in an m-th first display region in one-to-one correspondence.

Display panel and display apparatus

Provided is a display substrate, including a base substrate and a plurality of pixel units arranged on the base substrate; each pixel unit includes constant voltage terminals and a dual-gate transistor; a part of an active region of each dual-gate transistor, which is located between two gates, is an intermediate part; except the pixel units closest to the first side, each pixel unit includes a compensation structure; the compensation structure is connected to one of the constant voltage terminals of the pixel unit where the compensation structure is located, and compensates for at least one dual-gate transistor of a pixel unit adjacent to the pixel unit where the compensation structure is located in a direction toward the first side; the compensation structure overlaps and is insulated from the intermediate part of the dual-gate transistor for which the compensation structure compensates.

The present disclosure provides a display panel and a display device. The display panel includes a display region; the display region includes a first display region and a second display region arranged in a second direction; each scanning signal line in the first display region is electrically connected with less pixels than each scanning signal line in the second display region; the first display region is divided into a first sub-display region and a second sub-display region arranged in the second direction; and the first sub-display region is located at the side far away from the second display region.

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Beijing, China

Yonglin Guo