Boe Technology Group Co., Ltd.

Ordos Yuansheng Optoelectronics Co., Ltd.

Beijing Boe Technology Development Co., Ltd.

Ordos Yuansheng Optoelectronics Technology, Co., Ltd.

Jianchao Zhu

Libin Liu

Guangliang Shang

Lujiang Huangfu

Jiangnan Lu

Yu Feng

Li Wang

Hao Zhang

Xing Yao

Xinshe Yin

Can Zheng

Xinbin Han

Mengyang Wen

Zhenzhen Shan

Shiming Shi

Xueyan Tian

Liangjian Li

Dengyun Chen

Yi Zhang

Hao Liu

Bo Wang

Tuo Sun

Yipeng Chen

Jingquan Wang

Ziyang Yu

Long Han

Pan Zhao

Qian Yang

Yunfei Li

Hualing Yang

Chengjie Qin

Caiyu Qu

Ke Feng

Xuliang Zhao

Zibo Ni

Ximeng Li

A display substrate and a display device are provided, the display substrate includes: a substrate, and a power source layer, a conductive layer, and a cathode layer sequentially stacked on the substrate in a direction away from the substrate; the conductive layer includes first conductive patterns and second conductive patterns insulated from each other, the first conductive patterns are coupled to the power source layer, and the second conductive patterns are coupled to the cathode layer.

Display substrate and display device

The present disclosure provides a display panel and a display device. The display panel includes: a base substrate, on which a first metal layer and a second metal layer are stacked; and organic light emitting diode devices on a side, away from the base substrate, of the first metal layer. The first metal layer includes a power signal line. The power signal line is electrically connected with the second electrode layer in a peripheral area. Each organic light-emitting diode device includes a first electrode layer, a light emitting layer and a second electrode layer which are sequentially arranged on the base substrate. The second power signal line includes traces in a first direction and traces in a second direction, and orthographic projections of the traces in the first direction on the base substrate are intersected with orthographic projections of the traces in the second direction on the base substrate.

Display panel and display device

A pixel circuit, a pixel driving method, and a display device. The pixel circuit includes a light-emitting element, a driving circuit, a compensation control circuit, a light-emitting control circuit and a discharging circuit; the compensation control circuit controls connection or disconnection between the first node and the driving node under the control of the compensation control signal; the light-emitting control circuit controls connection or disconnection between the driving node and the first electrode of the light-emitting element under control of the light-emitting control signal; the discharging circuit is used for generating a discharging current; in a compensation phase, the discharging current terminal is connected to the driving node, and in a light-emitting phase, the discharging current terminal is connected to the driving node and the first electrode of the light-emitting element, and the discharging current terminal is not directly electrically connected to the first electrode of the light-emitting element.

Pixel circuit, pixel driving method, and display device

A display substrate includes a driving module arranged on the base substrate, the driving module includes a plurality of driving units, and the driving unit includes a plurality of stages of driving circuits; the driving unit includes a first signal line, and the driving circuit includes an output sub-circuit; the display substrate includes at least two metal layers stacked along a direction away from the base substrate; in at least one driving unit, an orthographic projection of the first signal line on the base substrate at least partially overlaps an orthographic projection of a first electrode or a second electrode of at least one transistor included in the output sub-circuit on the base substrate, the first electrode and the second electrode are arranged on the same metal layer, and the first electrode and the first signal line are arranged on different metal layers.

Display substrate with metal layers and display device

A shift register unit includes: an input circuit configured to provide an input signal to a first node in response to a first clock signal; a reset circuit configured to provide a first reference signal to a second node in response to a second clock signal; a first control circuit configured to provide the second clock signal to the second node in response to a first control signal; an output circuit configured to provide a third clock signal to a drive output terminal in response to a signal of the first node, and provide a second reference signal to the drive output terminal in response to a signal of the second node; where a duration of an active level of the first control signal is longer than a duration of an active level of a signal of the drive output terminal.

Shift register unit, drive control circuit, display device and driving method

A display panel, a display device, and a method of manufacturing the display panel is disclosed. The display panel includes a plurality of sub-pixel units, each sub-pixel unit includes a first metal layer, a first planarization layer, a first electrode layer, a pixel definition layer, a light-emitting layer, and a second electrode layer that are sequentially stacked in this order, wherein the first metal layer comprises at least one longitudinal wire, the first metal layer, the pixel definition layer, the first electrode layer, and the second electrode layer employ an axial symmetry structure respectively; when the number of the longitudinal wires is odd, a longitudinal wire at center is taken as a symmetry axis of the axial symmetry structure; and when the number of the longitudinal wires is even, a center line between two longitudinal wires at outermost edges is taken as the symmetry axis of the axial symmetry structure.

Display panel, display device, and method of manufacturing display panel

The present disclosure provides a touch display panel. The touch display panel includes a display substrate and a touch layer, wherein the touch layer includes a plurality of touch units and a plurality of touch lines which are disposed on the display substrate; wherein the touch lines are connected to at least one touch unit and are configured to electrically connect the touch unit connected thereto to a touch integrated circuit; the plurality of touch lines at least include a first trace and a second trace which are disposed in a non-display region, a length of the first trace being greater than a length of the second trace, and a cross-sectional area of the first trace being larger than a cross-sectional area of the second trace.

Touch display panel, method for manufacturing the same, and display apparatus

A pixel driving circuit is used for driving a light emitting element, in the pixel driving circuit, a first terminal of the driving sub-circuit being coupled to a power supply line; a compensation sub-circuit is respectively coupled to a scanning line, a control terminal of the driving sub-circuit, and a second terminal of the driving sub-circuit; a first terminal of the coupling sub-circuit being coupled to the control terminal of the driving sub-circuit; a first terminal of the storage sub-circuit being coupled to a second terminal of the coupling sub-circuit; a data writing-in sub-circuit is respectively coupled to a second terminal of the storage sub-circuit, a data line, and a reset line; a first reset sub-circuit is respectively coupled to the reset line, an initialization signal line, the control terminal of the driving sub-circuit, and the second terminal of the coupling sub-circuit.

Pixel driving circuit, display panel and display device

A stretchable display panel has a plurality of island regions and a plurality of bridge regions. The island regions are arranged in an array. Every two adjacent island regions are connected with a bridge region in the bridge regions therebetween. The display panel includes a plurality of sub-pixels and a plurality of signal line groups. At least one sub-pixel is provided in each island region. The signal line groups are located in a same conductive layer. Each signal line group extends along bridge regions to island regions that are connected to the bridge regions. The signal line group includes a plurality of signal lines arranged in parallel and at intervals. Each signal line is electrically connected to sub-pixels in the island regions.

Stretchable display panel and display device

A touch display panel and an electronic product. The touch display panel includes a display substrate, a first conductive layer, a touch insulation layer, a second electrode layer, and a shielding conductive pattern; the display substrate includes a signal line, a first electrode layer and a second electrode layer; the first conductive layer includes a touch conductive structure, which includes touch electrodes, the first electrode layer includes first electrodes, and the second electrode layer includes a plurality of second electrodes; an orthographic projection of the shielding conductive pattern on the base substrate overlaps with that of the signal line and that of at least one of the plurality of touch electrodes respectively, the shielding conductive pattern is located in the first conductive layer and insulated from the touch conductive structure, or the shielding conductive pattern is located in the second electrode layer and insulated from the second electrode.

Touch display panel and electronic product

A current detection device for detecting a current on the sense line, and compensating for a grayscale of a pixel in accordance with a difference in the detected currents, so as to provide the pixels with uniform brightness. An integration operation is performed on a sense line through an integration sub-circuitry to obtain an output voltage, and the current on the sense line is determined in accordance with the output voltage.

Current detection device

A pixel driving circuit is provided. The pixel driving circuit includes a storage capacitor (Cst) having a first capacitor electrode (Ce) and a second capacitor electrode (Ce); a driving transistor (Td) configured to generate a driving current; and a switch (SW) configured to control connection or disconnection between a gate electrode of the driving transistor (Td) and the first capacitor electrode (Ce).

Pixel driving circuit, display panel, method of driving display panel

A scan circuit having a plurality of stages is provided. A respective stage includes a respective scan unit configured to provide a control signal to at least a row of subpixels. The respective scan unit includes an input subcircuit configured to receive a start signal or an output signal from a previous scan unit, a first processing subcircuit, a second processing subcircuit, and an output subcircuit. The output subcircuit includes a first output transistor. The input subcircuit includes a first input transistor and a second input transistor sequentially coupled between an input terminal and a first node. The first node is coupled to a gate electrode of the first output transistor. The first processing subcircuit includes a first switch transistor and a second switch transistor coupled between the first node and a first reference terminal. The first reference terminal is configured to receive a first reference signal.

Scan circuit, display substrate, and display apparatus

Disclosed are a display substrate and a preparation method thereof, and a display apparatus. The display substrate includes a substrate and a plurality of sub-pixels, at least one sub-pixel includes a pixel drive circuit and a light emitting device connected to the pixel drive circuit, the pixel drive circuit includes a plurality of transistors, wherein at least one transistor includes an active layer and two gate electrodes. The substrate is provided with a semiconductor layer and a plurality of conductive layers disposed on one side of the semiconductor layer away from the substrate, at least one conductive layer is provided with at least one electrode plate, and there is an overlapping region between an orthographic projection of the electrode plate on the substrate and an orthographic projection of the active layer between the two gate electrodes on the substrate.

Growing community of inventors

Beijing, China

Jianchao Zhu