Chengdu Boe Optoelectronics Technology Co., Ltd.

Boe Technology Group Co., Ltd.

Beijing Boe Technology Development Co., Ltd.

Changlong Yuan

Zhenhua Zhang

Xilei Cao

Yingsong Xu

Jingyi Feng

Benlian Wang

Mengmeng Du

Qian Ma

Rong Wang

Li Zhu

Weiyun Huang

Xiangdan Dong

Fan He

Donghui Tian

Xiaoxiao Wang

Xiaoxin Li

Yue Long

Xueguang Hao

Tao Gao

Lei Zhang

Hongli Wang

Cong Fan

Lang Liu

Guoqiang Tang

Jianchang Cai

Yao Hu

Rui Hou

Dongfang Yang

Lina Wang

Wei Xia

Xing Huang

Huaisen Ren

Peng Hou

Hongting Lu

Yanping Ren

Lian Xiang

Hang Dong

Xingyu Chen

Xueying He

The present application relates to the technical field of displays. Provided are a display panel and a display apparatus. The display panel comprises a first pixel driving circuit, wherein the first pixel driving circuit comprises a low-temperature polysilicon transistor and an oxide transistor. The display panel further comprises: a base substrate, a first conductive layer and a third conductive layer, wherein the first conductive layer comprises a first gate line, and part of the structure of the first gate line is used for forming a gate electrode of the low-temperature polysilicon transistor; the third conductive layer comprises a second gate line, and part of the structure of the second gate line is used for forming a gate electrode of the oxide transistor; and the orthographic projection of the first gate line on the base substrate extends in a first direction.

Display panel and display apparatus

A pixel circuit, a display panel, a display device, and a driving method are provided. The pixel circuit includes: a light-emitting device; a drive transistor configured to generate driving current for driving light-emitting device to emit light according to data voltage; a data writing circuit configured to provide, in response to scan signal terminal signal, data voltage of a data signal terminal to a first node; a threshold compensation circuit configured to write threshold voltage of drive transistor to a second node; a first coupling control circuit between the first node and the gate of the drive transistor and configured to stabilize voltages of first node and the gate of the drive transistor; a second coupling control circuit between the first and second nodes, and configured to stabilize voltages of first and second nodes and couple an amount of voltage variation of the first node to the second node.

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

A display panel includes: a display region; a peripheral region surrounding the display region; a base substrate; a first signal line, located on the base substrate, including an electrode structure located in the peripheral region, and an edge of the electrode structure away from the display region having a stepped shape; and a covering portion, covering the edge of the electrode structure away from the display region. The display panel adopts the covering portion to cover the edge of the electrode structure away from the display region, so as to protect the edge of the electrode structure, and to avoid the phenomenon of electrochemical corrosion of the edge of the electrode structure, the edge of the electrode structure away from the display region is designed to have a stepped shape, thereby prolonging a path for water vapor to enter the display region, and improving reliability of the display panel.

Display panel and display device

Disclosed is a display substrate including a base substrate, at least one first signal line, and multiple signal access pins. The base substrate includes a display region and a peripheral region located at a periphery of the display region. The peripheral region includes a first peripheral region, a second peripheral region, a third peripheral region, and a fourth peripheral region which are communicated sequentially. The first signal line is located in the peripheral region and includes at least two sub-signal lines connected with each other. The multiple signal access pins are located in a signal access region. Each sub-signal line of the first signal line extends to the signal access region and is connected with at least one signal access pin in the signal access region so as to be connected with a driver chip through the signal access pin.

Display substrate comprising signal lines and signal access pins and display apparatus

A display panel includes a base substrate, an assemble layer and an anode layer. The base substrate has a light transmissive area, and the light transmissive area includes at least one transparent display area. The transparent display area has a first boundary and a second being opposite in the row direction, and a third boundary and a fourth boundary being opposite in the column direction. The transparent display area includes at least one section, and the section includes multiple rows of sub-areas arranged in the column direction.

Display panel and terminal device with reference anode and offset anode

Provided are a pixel driving circuit () and a driving method, a display panel () and a display device (). The pixel driving circuit () includes: a driving sub-circuit () connected to a light-emitting element (); a data writing sub-circuit () configured to write a data signal from the data signal terminal (Vdata) into the driving sub-circuit () and apply the data signal to a leakage current compensation point (M), under control of the scanning signal terminal (Vscan); and a light-emitting control sub-circuit () configured to control the driving sub-circuit () to output a driving current related to the data signal to the light-emitting element () under control of the light-emitting control signal terminal (EM). In a process of emitting light by the light-emitting element (), a voltage of a control electrode of the driving sub-circuit () is compensated by a voltage of the leakage current compensation point (M).

Pixel driving circuit and method of driving pixel driving circuit, display panel and display device

The present disclosure provides a display panel, including: a base; a light-emitting structure on the base; a package layer on the light-emitting structure; a photoelectric sensing structure on the package layer; at least one of a touch functional layer or a color filter layer on the package layer, where the touch functional layer includes a first metal layer structure, a touch insulation layer and a second metal layer structure, and the color filter layer includes a black matrix; a collimation light path structure on the photoelectric sensing structure and including at least two light-blocking layers, where each light-blocking layer has light-transmitting holes and the at least two light-blocking layers include at least one first light-blocking layer, and the first light-blocking layer is disposed in the same layer as the first metal layer structure, the second metal layer structure, the touch insulation layer or the black matrix.

Display panel and display apparatus including photoelectric sensing structure and collimation light path structure configured to avoid crosstalk

A display substrate and a display device. A sub-pixel in the display substrate comprises: a first initialization signal line and a second initialization signal line, the potentials of initialization signals transmitted by the first initialization signal line and the second initialization signal line being different; a sub-pixel driving circuit in the sub-pixel comprises a drive transistor, a first reset transistor and a second reset transistor; a first electrode of the drive transistor is coupled to a light-emitting element; a first electrode of the first reset transistor is coupled to a gate electrode of the drive transistor, and a second electrode of the first reset transistor is coupled to the first initialization signal line; a first electrode of the second reset transistor is coupled to the light-emitting element, and a second electrode of the second reset transistor is coupled to the second initialization signal line.

Display substrate and display device having compensation signal lines coupled to initialization signal lines

The present disclosure provides a shift register unit, a driving method, a driving circuit and a display device. The shift register unit includes a first node potential adjustment circuit, a first tank circuit, a second node control circuit, a second tank circuit, a third node control circuit, a first node control circuit, and an output circuit; the first node potential adjustment circuit changes the potential of the first node according to the adjustment clock signal under the control of the potential of the first node; the first tank circuit is used to maintain the potential of the first node; the third node control circuit controls the potential of the third isolation node and the potential of the fourth node; the second node control circuit controls the potential of the second isolation node.

Shift register unit, method for driving the same, driving circuit and display device

A pixel circuit and a driving method therefor, and a display panel. The pixel circuit includes a driving circuit, a data writing circuit, a compensation storage circuit, a first light-emitting control circuit and a second light-emitting control circuit. The driving circuit includes a control end, a first end, and a second end, and is configured to control a driving current which flows through the first end and the second end and which is used for driving a light-emitting element to emit light; the data writing circuit is connected to a first scanning signal line and is configured to, in response to a first scanning signal provided by the first scanning signal line, write a data signal into the first end of the driving circuit; the data writing circuit and the first light-emitting control circuit repel one another in a connected state under the control of the first scanning signal.

Pixel circuit and driving method therefor, and display panel

A pixel circuit and a driving method therefor and a display panel are provided. The pixel circuit includes a driving circuit, a data writing circuit, a storage circuit, and a first reset circuit; the driving circuit includes a control terminal, a first terminal, and a second terminal, and is configured to control a driving current flowing through the first terminal and the second terminal for driving a light-emitting element to emit light; the data write circuit is configured to write a data signal into the control terminal of the driving circuit; the storage circuit is configured to store the data signal; the first reset circuit is configured to apply a first initialization voltage to the control terminal of the driving circuit; the driving circuit and the data write circuit each include an N-type thin film transistor; and the first reset circuit includes an N-type oxide thin film transistor.

Pixel circuit and driving method therefor and display panel

A pixel circuit, a driving method thereof, a display panel and a display apparatus are provided. The pixel circuit includes a light-emitting element, a first voltage terminal, a data signal line, a light emission control sub-circuit, and a photoelectric sensing sub-circuit. The light emission control sub-circuit is connected with the first voltage terminal, the data signal line and the light-emitting element. The photoelectric sensing sub-circuit is connected with the first voltage terminal and the data signal line.

Pixel circuits and driving methods thereof, display panels and display apparatuses

A pixel driving circuit includes: a data writing circuit, a compensation control circuit, a light emission control circuit, a voltage regulation circuit, a driving transistor, the compensation control circuit is connected with the driving transistor at a first node, the compensation control circuit is connected with the data writing circuit at a second node, the compensation control circuit, the light emission control circuit, the voltage regulation circuit are connected with the driving transistor at a third node; the compensation control circuit obtains a threshold voltage of the driving transistor, writes a third voltage into the second node, and writes a light emission voltage into the first node according to a variation in a voltage at the second node and the threshold voltage; the voltage regulation circuit maintains a voltage at the third node stable during the compensation control circuit writing the light emission voltage into the first node.

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

A display substrate, a display device, a method of forming a display substrate, and a method of forming a display device are provided. The display substrate includes: a first insulation structure, including a display area and a frame area, where the frame area is arranged around the display area, and at least one first groove is arranged in the first insulation structure of the display area; a first wiring layer arranged on the first insulating structure and covering a side surface and a bottom surface of the first groove; a second insulation structure arranged on the first wiring layer, where at least one first through-hole is formed in the second insulation structure of the frame area; a first conductive structure covering a part of an upper surface of the second insulating structure and at least a sidewall and a bottom surface of the first via-hole.

Display substrate, display device, display substrate, method of forming display substrate, and method of forming display device

A display panel and a display device. The display panel comprises: a substrate, a display area () provided with at least one light-emitting signal line (E), at least one first reset signal line (R) and sub-pixels arranged in an array, at least one sub-pixel (P, P, P) comprising: a light-emitting device (L) and a pixel circuit. The first reset signal line (R) is configured to provide a reset control signal for the pixel circuit, the light-emitting signal line is configured to provide a light-emitting control signal for the pixel circuit to provide a driving current. For the first reset signal line and the light-emitting signal line E connected to a same pixel circuit, the duration in which the signal of the light-emitting signal line is an invalid level signal is equal to the duration in which the signal of the first reset signal line is a valid level signal.

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Beijing, China

Changlong Yuan