Chengdu Boe Optoelectronics Technology Co., Ltd.

Boe Technology Group Co., Ltd.

Beijing Boe Technology Development Co., Ltd.

Boe Technology Group

Zhongliu Yang

Chenyu Chen

Wenbo Chen

Shuang Zhao

Jing Yang

Hongting Lu

Haigang Qing

Tianyi Cheng

Hong Yi

Yongfu Diao

Zhengkun Li

Wenkang Wang

Tiaomei Zhang

Bing Zhang

Yuhsiung Feng

Xin Mou

De Li

Mengyue Fan

Meng Li

Benlian Wang

Ziyang Yu

Qiwei Wang

Mengqi Wang

Quanyong Gu

Yanping Ren

Weiyun Huang

Bo Zhang

Yue Long

Lili Du

Linhong Han

Yuanjie Xu

Yunsheng Xiao

Quanhu Li

Cong Liu

Youngyik Ko

Binyan Wang

Pan Zhao

Ni Yang

Zhuo Xu

Shilong Wang

Gukhwan Song

Qingqing Yan

Yudan Shui

Zhongjie Wang

Qiyang Wu

Mingjing Yang

A display substrate and a display apparatus are provided. The display substrate includes a base substrate including a display region and a peripheral region; a driving functional layer on one side of the base substrate and including pixel driving circuits in the display region and arranged in an array along a first and second directions intersecting with each other; a first conductive layer on a side of the driving functional layer away from the base substrate and including first power lines for providing a first operating voltage; a first planarization layer and a second conductive layer between the driving functional layer and the first conductive layer. The first planarization layer is between the first and second conductive layers, and the second conductive layer includes a first conductive pattern electrically connected in parallel with a corresponding first power line through a first via in the first planarization layer.

Display substrate and display apparatus

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 display substrate and a display device are provided. The display substrate includes a base substrate and a plurality of sub-pixels on the base substrate, each sub-pixel includes a pixel circuit, and the pixel circuit includes a first reset sub-pixel. The first reset sub-pixel is configured to apply a first reset voltage to a light-emitting element in response to a first reset control voltage to reversely bias the light-emitting element.

Display substrate and display device

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 panel and a display device. The display panel includes: a base substrate, including a display region and a peripheral region, the peripheral region being located on at least one side of the display region; a plurality of sub-pixels, located in the display region; a plurality of constant voltage lines, arranged in a first direction, each of the plurality of constant voltage lines extending in a second direction, the constant voltage line being at least partially located in the display region, and the first direction intersecting with the second direction; and a conductive line, located in the peripheral region, and connected with the plurality of constant voltage lines, the plurality of constant voltage lines being configured to provide a constant voltage to the plurality of sub-pixels.

Display panel and display device

A pixel driving circuit, including: a driving circuit, connected to a first node, a second node and a third node, and configured to input a driving current to the third node through the second node according to a signal of the first node; a compensation circuit, connected to the first node, the third node and a first gate driving signal end, and configured to turn on the first node and the third node in response to a signal of the first gate driving signal end; a first light-emitting control circuit, connected to the third node, a fourth node and a first enabling signal end, and configured to communicate with the third node and the fourth node in response to a signal of the first enabling signal end; a first reset circuit, connected to the fourth node, a first initial signal end and a first reset signal end, and configured to transmit a signal of the first initial signal end to the fourth node in response to a signal of the first reset signal end; and a second reset circuit, connected to the second node, a second initial signal end and a second reset signal end, and configured to transmit a signal of the second initial signal end to the second node in response to a signal of the second reset signal end.

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

A display substrate and a display device are provided. The display substrate includes a base substrate, at least one group of contact pads, a plurality of first light-emitting elements, a plurality of first pixel driving circuits, a plurality of connecting traces, a plurality of data lines and a plurality of leads. The display area includes a first display area and a second display area; the first light-emitting elements are located in the first display area; the first pixel driving circuits are located in the second display area; the leads are located in the first display area and the peripheral area, and connect the data lines and the at least one group of contact pads; orthographic projections of the first light-emitting elements on a substrate surface of the base substrate are at least partly overlapped with orthographic projections of the leads on the substrate surface of the base substrate.

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 display substrate has a display region, a peripheral region surrounding the display region, and pad regions on a first connection side of the peripheral region and distal to the display region. The display region includes sub-pixel regions. The display substrate further includes: a base, and organic light-emitting diodes and a first power supply line all on the base. The organic light-emitting diodes are provided in the sub-pixel regions, respectively. A cathode of each organic light-emitting diode extends from the display region to the peripheral region and is connected to the first power supply line in the peripheral region. The first connection side includes a first connection region corresponding to a position between two adjacent pad regions, and a second connection region other than the first connection region. A connection region between the first power supply line and the cathode covers at least part of the second connection region.

An array substrate is provided. The array substrate includes a plurality of pixel driving circuits. A respective pixel driving circuit of the plurality of pixel driving circuit includes a driving transistor, a compensating transistor, and a first reset transistor. An active layer of the driving transistor is in a first semiconductor material layer. Active layers of the compensating transistor and the first reset transistor are in a second semiconductor material layer different from the first semiconductor material layer. The array substrate includes a third connecting line in a first signal line layer, and connected to a second electrode of the compensating transistor. The third connecting line crosses over at least two control signal lines.

Provided are a display substrate and a display device. The display substrate includes a base substrate, and a driving circuit layer and a light-emitting device layer on the base substrate. The display substrate includes a light-transmitting display area and a normal display area, the normal display area surrounds at least a portion of the light-transmitting display area. The normal display area includes multiple normal driving circuits and multiple dummy driving circuits; some dummy driving circuit are used for driving light-emitting devices located in the light-transmitting display area. The display substrate further includes multiple normal data lines coupled to the normal driving circuits; at least one normal data line is coupled to a data signal input terminal through a data lead; an orthographic projection of the data lead onto the base substrate at least partially overlaps an orthographic projection of the dummy driving circuit onto the base substrate.

A display substrate and a display device. The display substrate includes a base substrate and a plurality of sub-pixels on the base substrate, each sub-pixel includes a pixel circuit, and the pixel circuit includes a drive sub-circuit and a first reset sub-pixel. The first reset sub-pixel is configured to apply a first reset voltage to a control terminal of the drive sub-circuit in response to a first reset control voltage; the display substrate further comprises a first reset signal line electrically connected with the first terminal of the first reset sub-circuit to provide the first reset voltage, and the first reset signal line is in a semiconductor layer and comprises a doped semiconductor material.

A pixel circuit, a driving method and a display device. The pixel circuit includes a light emitting element, a driving circuit, an energy storage circuit, an initialization circuit, and a compensation control circuit; the display period of the pixel circuit includes a refresh frame and a retention frame; the refresh frame and the retention frame respectively include a set phase and a light emitting phase set successively; the initialization circuit is configured to control provide the initial voltage to the first terminal and/or the second terminal of the driving circuit under the control of the initial control signal provided by the initial control terminal, in the refresh frame and the retention frame, at least in the set phase. The present disclose improves hysteresis and improves the display effect.

Pixel circuit, driving method and display device

An array substrate, a display panel, and a driving method of the array substrate are provided. The array substrate includes: a plurality of pairs of gate lines, each pair including a first gate line and a second gate line, and a pixel array, including pixel units arranged into a plurality of rows and a plurality of columns. A scan signal terminal of a pixel unit of an nth column in an mth row of pixel units is connected to the first gate line in an mth pair of gate lines to receive a first scan signal; m and n are positive integers; a reset signal terminal of the pixel unit of the (n+1)th column in the mth row of pixel units is connected to the first gate line in the mth pair of gate lines to receive the first scan signal serving as a first reset signal.

Array substrate, display panel and driving method of array substrate

A display substrate, includes: a display region. The display region includes a plurality of sub-pixels disposed on a substrate, a plurality of first signal lines extending in a first direction, and a plurality of data lines extending in a second direction. At least one sub-pixel includes a driving circuit, and the driving circuit includes a plurality of transistors and at least one storage capacitor. The transistor at least includes a first conductive layer and a second conductive layer. The plurality of first signal lines is located in a third conductive layer. The third conductive layer is located on a side of a control electrode of a transistor of the driving circuit away from the substrate.

Growing community of inventors

Beijing, China

Zhongliu Yang