Chengdu Boe Optoelectronics Technology Co., Ltd.

Boe Technology Group Co., Ltd.

Beijing Boe Technology Development Co., Ltd.

Chongqing Boe Display Technology Co., Ltd.

Xinyu Wei

Yu Wang

Qiang Fu

Gang Wang

Yonglin Guo

Hongmei Fan

Erlong Song

Kunyan Shi

Xingrui Cai

Hailong Yan

Yiran Li

Yao Huang

Tingliang Liu

Peng Xu

Lang Liu

Dan Cao

Yuqian Pang

Wenbo Hu

Dongjie Wu

Yidan Zhu

Yagui Gao

Xuebin Yuan

A pixel circuit and a driving method thereof, a display substrate, and a display device are provided. In the pixel circuit, a data writing circuit is configured to control a connection between a data line and a second terminal of a driving circuit under control of a first scanning signal provided by a first scanning line; a reset circuit is configured to control a connection between a reset voltage line and the second terminal of the driving circuit under control of a third scanning signal provided by a third scanning line; or the reset circuit is coupled to the third scanning line, the reset voltage line and a first terminal of the driving circuit, and is configured to control a connection between the reset voltage line and the first terminal of the driving circuit under control of the third scanning signal.

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

The present disclosure provides a pixel circuit, a pixel driving method and a display device. The pixel circuit includes a light-emitting element, a driving circuitry, a first energy storage circuitry, a second energy storage circuitry, a data writing circuitry and a compensation control circuitry. The data writing circuitry writes a data voltage into a second node under the control of a first scanning signal from a first scanning end. The compensation control circuitry controls a first node to be electrically coupled to a second end of the driving circuitry under the control of a second scanning signal from a second scanning end. An effective enabling time period of the second scanning end does not overlap with, and has a length greater than, an effective enabling time period of the first scanning end.

Pixel circuit, pixel driving method and display device

The display panel includes a pixel driving circuit. The pixel driving circuit includes a driving transistor and an eighth transistor. A first terminal of the eighth transistor is connected to a first terminal of the driving transistor, and a second terminal of the eighth transistor is connected to a third initial signal line. The display panel further includes: a base substrate, a first active layer, a first conductive layer, and the third initial signal line. The first active layer is located on a side of the base substrate. The first active layer includes an eighth active portion, a second active portion, a ninth active portion, a tenth active portions, and an eleventh active portion. The eighth active portion is connected between the ninth active portion and the tenth active portion. The eleventh active portion is connected to a side of the second active portion.

Display panel, display device

A display apparatus and a pixel circuit. The pixel circuit includes: a first storage sub-circuit, connected between a first node and a second node; a data writing sub-circuit, configured to charge the second node; a driving sub-circuit, configured to control connection or disconnection between a third node and a fourth node under control of the first node; a compensation sub-circuit, configured to control connection or disconnection between the first node and the fourth node under control of a first scan signal end; a luminous control sub-circuit, configured to control connection or disconnection between a first power end and the third node under control of a first luminous control signal end, and further configured to control connection or disconnection between the fourth node and a first electrode of a sub-pixel under control of a second luminous control signal. The present disclosure can improve display effect.

Display apparatus and pixel circuit

A pixel circuit and a driving method therefor, a display substrate, and a display apparatus. The pixel circuit includes a driving sub circuit, a data writing sub circuit, a first light-emitting control sub circuit, a first reset sub circuit, and a bias sub circuit; the first reset sub circuit is connected to a first node and configured to write a first reset voltage to the first node in response to a first reset control signal; and the bias sub circuit is connected to a second node and configured to write a reference voltage to the second node in response to a bias control signal, thereby turning on the driving sub circuit.

Pixel circuit and driving method therefor, display substrate, 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.

Display substrate and display device

A pixel circuit, a driving method, a display substrate, and a display device are provided. The pixel circuit includes a driving circuit, a first light-emitting control circuit, a light-emitting element, a first initialization circuit, and a second initialization circuit. The first initialization circuit writes, under the control of a first initialization control signal, an initialization voltage provided by an initialization voltage line, to a control terminal of the driving circuit; the second initialization circuit writes, under the control of a second initialization control signal provided by a second initialization control line, an initial data voltage provided by an initial data line, to an anode of the light-emitting element. Light emission of the light-emitting element from a leakage current and lateral leakage at low gray scales caused when initializing the anode of the light-emitting element can be prevented.

Pixel circuit, driving method, display substrate and display device

A display substrate and a method for driving the display substrate are provided in the present disclosure. The display substrate includes a plurality of pixel units arranged in an array and a power supply signal structure configured to apply a power supply voltage signal to each pixel unit. The power supply signal structure includes: a plurality of driving voltage signal VDD lines, a first power supply voltage signal VDDline connected to a first end of each driving voltage signal VDD line, and configured to apply a first power supply voltage Vto the first end of the driving voltage signal line, and a second power supply voltage signal VDDline connected to a second end of the driving voltage signal VDD line, and configured to apply a power supply voltage Vto the second end of the driving voltage signal VDD line.

Display substrate and method for driving the same and display device

A display substrate, used in a display apparatus, includes a base substrate; a gate line, a data line and a pixel driving circuit on the base substrate, wherein the pixel driving circuit includes a driving transistor; an orthographic projection of the gate line on the base substrate and an orthographic projection of the data line on the base substrate have a first overlapping region, and an orthographic projection of the gate line on the base substrate and an orthographic projection of the control electrode of the driving transistor on the base substrate have a second overlapping region; a width of the gate line in the first overlapping region is less than a first preset width, and a width of the gate line in the second overlapping region is less than the second preset width.

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Beijing, China

Xinyu Wei