Chengdu Boe Optoelectronics Technology Co., Ltd.

Boe Technology Group Co., Ltd.

Beijing Boe Technology Development Co., Ltd.

Tiaomei Zhang

Zhiliang Jiang

Ziyang Yu

Ming Hu

Haigang Qing

Mengqi Wang

Wenbo Chen

Yunsheng Xiao

Tianyi Cheng

Hong Yi

Quanyong Gu

Tingliang Liu

Meng Li

Miao Wang

Shilong Wang

Wenhui Gao

Juntao Chen

Zhengkun Li

Yao Huang

Huijuan Yang

Pan Zhao

Zhongliu Yang

Sen Du

Dan Cao

Guo Ning Liu

Yuqian Pang

De Li

Hao Zhang

Haijun Qiu

Peng Xu

Cong Liu

Jianpeng Wu

Youngyik Ko

Binyan Wang

Siyu Wang

Erjin Zhao

Yonglin Guo

Jingwen Zhang

Tong Niu

Gukhwan Song

Yufei Huo

Jidong Li

Yi Zhang

Yu Wang

Gen Li

Shun Zhang

Wen Tan

Linhong Han

Hengzhen Liang

Lang Liu

Lingran Wang

Qian Xu

Fei Yu

Shikai Qin

Sanghun Kang

Qingqing Yan

Sifei Ai

Qi Wei

A display substrate, a manufacturing method thereof and a display apparatus are provided. The display substrate includes a display region including N pixel groups in a first direction and a peripheral region; each pixel group includes at least one row of pixel regions; the display substrate includes: first and second reset lines; wherein each row of pixel regions corresponds to one first reset line and one second reset line; (N+M) first shift register units are arranged along the first direction; an output terminal of an ith first shift register unit is connected to a second reset line corresponding to an (i−M)th row of pixel regions; an output terminal of a jth first shift register unit is connected to a first reset line corresponding to a jth row of pixel regions through a signal transmission line; N is an integer greater than 2, M is a preset positive integer, M+1≤i≤N+M, 1≤j≤N, and i and j are both integers; orthographic projections of the signal transmission line and at least one of the first shift register units on the base substrate overlaps with each other.

Display substrate, manufacturing method thereof and display apparatus with shared shift register units

An array substrate is provided. The array substrate includes a plurality of first reset signal lines configured to provide a plurality of first reset signals, a plurality of second reset signal lines configured to provide a plurality of second reset signals, a plurality of third reset signal lines, and a plurality of first connecting lines. A respective first reset signal line is connected to a row of first connecting lines, which in turn are connected to source electrodes of first reset transistors in a row of subpixels, respectively. The plurality of second reset signal lines and the plurality of third reset signal lines form an interconnected reset signal supply network. A respective second reset signal line is connected to one or more of the plurality of third reset signal lines. A respective third reset signal line is connected to one or more of the plurality of second reset signal lines.

Array substrate and display apparatus

A pixel circuit includes a driving sub-circuit coupled to a first node, a second node and a third node, a compensation sub-circuit coupled to the first node, the third node and a first scan signal terminal, an adjustment sub-circuit, and a writing sub-circuit. The compensation sub-circuit includes a first transistor group, and the first transistor group includes at least two first transistors connected in series. A fourth node is formed between a second electrode of a first first transistor and a first electrode of a second first transistor. The adjustment sub-circuit is coupled to the fourth node and at least one control terminal. The adjustment sub-circuit is configured to, in light-emitting phases, adjust a voltage of the fourth node under a control of a signal from the at least one control terminal, so as to reduce a voltage difference between the fourth node and the first node.

Pixel circuit and driving method thereof, and display panel

An array substrate is provided. The array substrate includes a base substrate, and a plurality of pixel driving circuits configured to drive light emission in a plurality of subpixels. A respective pixel driving circuit includes a driving transistor; a compensation transistor configured to provide a compensation voltage signal to a gate electrode of the driving transistor; the compensation transistor including a source electrode, a drain electrode and a gate electrode; a node connecting line in a first signal line layer; a first pad in a second signal line layer on a side of the first signal line layer away from the base substrate; a voltage line configured to output a constant voltage signal; and a voltage connecting line electrically connecting the first pad with the voltage line. The node connecting line connects the gate electrode of the driving transistor and a drain electrode of the compensation transistor.

Provided are a display substrate and a display device. The display substrate includes: a base substrate; sub-pixels; light emitting elements; pixel driving circuits; an initialization voltage signal line extending in the first direction; and a control signal line partially extending in the first direction. In a frame of driving the pixel driving circuits of a row of sub-pixels, the control signal controls, in at least one first time period, at least two transistors of the pixel driving circuit to turn on, the initialization voltage signal is provided to the pixel driving circuit in a second time period, and the first and second time periods are separated in timing. An orthographic projection of the initialization voltage signal line on the base substrate overlaps at least partially with that of the control signal line located on a different layer, with an overlapping rate of 60% to 100%.

Display substrate and display device

A display panel includes a pixel drive circuit for driving a light emitting unit. The pixel drive circuit is connected to the first electrode of the light emitting unit, and the display panel further includes: a base substrate, a first power line, a second power line, and a common electrode layer. The first power line and the second power line are located a the display area of the display panel, the orthographic projection of the first power line on the base substrate is extended along the first direction, the orthographic projection of the second power line on the base substrate is extended along the second direction, and the second direction is intersected with the first direction, at least a part of the second power line is connected to at least a part of the first power line through a via hole.

Display panel and display device

A display substrate and a driving method therefor, and a display device. The display substrate comprises a plurality of circuit units, at least one circuit unit comprising a pixel driving circuit, which at least comprises a compensation transistor, a driving transistor, a data writing transistor, a first storage capacitor, and a second storage capacitor, wherein a gate electrode of the data writing transistor is connected to a first scan signal line; a gate electrode of the compensation transistor is connected to a second scan signal line; a first end of the first storage capacitor is connected to a gate electrode of the driving transistor; a first end of the second storage capacitor is connected to a first electrode of the driving transistor; and a second end of the first storage capacitor and a second end of the second storage capacitor are connected to a first power line.

Display substrate and driving method therefor, and display device

A display substrate including a base and a shift register unit provided on the base; the shift register unit includes a first first voltage line, an on-off control circuit, a first energy storage circuit and a fourth node control circuit; the on-off control circuit comprises a first transistor, and the first energy storage circuit includes a first capacitor; at least part of the first first voltage line extends in the a first direction; the fourth node control circuit includes a second transistor; the first capacitor, the first transistor, the first first voltage line and the second transistor are arranged in a second direction; the second transistor, the first first voltage line, the first transistor and the first capacitor are arranged in sequence along a direction close to the display area; the first direction intersects the second direction.

Display substrate including a shift register at an edge area of a base substrate, and display device

A shift register includes a shift module configured for causing the cascade signal output end to output a cascade signal in response to a signal of the input signal end; an reverse output module configured for causing the reverse signal output end to output a signal reverse to the cascade signal output end in response to a signal of the cascade signal output end; a latch module configured for causing an output end of the latch module to output a control signal of the masking signal end in response to signals of the cascade signal output end and the reverse signal output end of a previous level; and a selection output module configured for providing a signal of the first power supply end or the second power supply end to the driving signal output end in response to a signal of the output end of the latch module.

Shift register, driving method, gate drive circuit and display device

A display panel, a manufacturing method thereof, and a display device are provided. The display panel comprises a base substrate, an effective region provided on the base substrate and a bonding region located on one side of the effective region; the bonding region comprises a bonding pin region including a bonding pin, a virtual pin and test signal lines; an orthographic projection of at least one of the test signal lines on the base substrate is within a range of an orthographic projection of the virtual pin on the base substrate, and the orthographic projection of the virtual pin on the base substrate does not overlap with an orthographic projection of the bonding pin on the base substrate.

Display panel, manufacturing method thereof, 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 display panel includes a light-emitting unit and a pixel driving circuit connected to the first electrode of the light-emitting unit. The display panel further includes: a substrate, a first power line, a second power line, and a common electrode layer. The display area includes at least one fan-out area and a normal display area, and the part of the second power line located in the normal display area is connected to the first power line. The first power line includes a first sub-power line segment located in the fan-out area; the second power line includes a second sub-power line segment located in the fan-out area; the first sub-power line segment and the second sub-power line segment are connected; the common electrode layer is used to form the second electrode of the light-emitting unit and connects the first power line and the second power line.

A display panel includes a display area (AA), an OLED, and a pixel drive circuit. The display panel includes: a base substrate, first and second power lines, and a common electrode layer. The first and second power lines are located in the display area, the orthographic projection of the first power line is extended along the first direction, and the orthographic projection of the second power line is extended along the second direction, and the second direction is intersected with the first direction, at least a part of the second power line is connected to at least a part of the first power line through a via hole. The common electrode layer is located on one side of the base substrate, the common electrode layer is used to form the second electrode of the OLED, and the common electrode layer is connected to the first and second power lines.

Display paneland display device

A display substrate includes: a base substrate, a plurality of sub-pixels arranged on the base substrate, a plurality of reference signal lines and a plurality of first light emitting control lines; the sub-pixel includes a sub-pixel driving circuit, and the sub-pixel driving circuit includes: a driving transistor, a compensation transistor, a voltage stabilizing transistor and a first conductive connection portion; a first electrode of the compensation transistor is coupled to a second electrode of the driving transistor, a second electrode of the compensation transistor is coupled to a gate electrode of the driving transistor, and the compensation transistor includes a double-gate transistor, the double-gate transistor includes two sub-transistors connected in series, and active patterns of the two sub-transistors are coupled to form an intermediate node; a gate electrode of the voltage stabilizing transistor is coupled to a corresponding first light emitting control line.

Display substrate including a double-gate transistor and voltage stabilizing transistor

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Beijing, China

Tiaomei Zhang