Boe Technology Group Co., Ltd.

Chengdu Boe Optoelectronics Technology Co., Ltd.

Mianyang Boe Optoelectronics Technology Co., Ltd.

Erlong Song

Yu Wang

Qiang Fu

Gang Wang

Kunyan Shi

Dongjie Wu

Xingrui Cai

Huaping Sun

Hongjun Zhou

Hailong Yan

Yafei Chen

Huijie Meng

Lili Du

Xinyu Wei

Tsanghong Wang

Yagui Gao

Yue Long

Shun Zhang

Peng Xu

Chao Zeng

Cong Liu

Lingran Wang

Feng Wei

Fei Yu

Wenhui Gao

Zhengwei Luo

Wenbo Hu

Bo Wei

Rui Cheng

Chunyang Li

Chienyu Chen

Hongmei Fan

Yongkang Zhang

Jianjie Liu

Xu Gong

Jingli Zhang

Chaoxin Yun

A display panel including a pixel driving circuit including a driving transistor, a first transistor having a gate electrode connected to a first gate line and a first electrode connected to a gate electrode of the driving transistor, and a second transistor having a gate electrode connected to a second gate line, a first electrode connected to the gate electrode of the driving transistor, and a second electrode connected to a second electrode of the driving transistor, the driving transistor is a P type transistor, and the first transistor and the second transistor are N type transistors, wherein the display panel further includes: a base substrate, a first conductive layer, a third conductive layer, and a first conducting part.

Display panel and display device

The present disclosure provides a display apparatus, a display panel and a preparation method. The display panel includes a base substrate, a driving circuit provided on a side of the base substrate and a multi-layer metal layer: the base substrate includes a display region and a peripheral region located on a periphery of the display region; the driving circuit includes a peripheral circuit and a pixel circuit, the peripheral circuit is located at the peripheral region, the pixel circuit is located at the display region, and the peripheral circuit is connected with the pixel circuit and configured to provide a driving signal to the pixel circuit; the peripheral circuit includes a plurality of signal lines distributed in at least two metal layers.

Display apparatus having signal lines on a multi-layer metal layer

Embodiments of the present disclosure disclose an array substrate and a manufacturing method thereof, a display panel and a display device. The array substrate includes a substrate; a first metal layer located on the substrate and including a luminous control signal line; a second metal layer located on one side, departing from the substrate, of the first metal layer and including an anode overlap electrode, where the anode overlap electrode and the luminous control signal line have a first overlapping area; and a shielding structure located between the first metal layer and the second metal layer and mutually insulated from the first metal layer and the second metal layer, wherein the orthographic projection of the shielding structure on the substrate at least partially covers the orthographic projection of the first overlapping area on the substrate; and the shielding structure is coupled to a fixed potential.

Array substrate with shielding structure and manufacturing method thereof, display panel and display device

A display panel, a method for driving the display panel and a display apparatus are provided. The display panel includes a light-emitting element and a pixel circuit, the pixel circuit includes: an enable signal terminal being a pulse width modulation signal, including a plurality of first active levels spaced in one frame light-emitting duration, a first inactive level being between two adjacent first active levels, where the enable signal is capable of driving the light-emitting element to emit light during a first active level period; a reset signal terminal including at least one second active level and one second inactive level in one frame light-emitting duration, the second active level being in a first inactive level period, and the first active level being in a second inactive level period, where the reset signal is capable of resetting the light-emitting device during a second active level period.

Display panel and method for driving display panel, and display apparatus

The present disclosure provides a display substrate and a display device. The display substrate includes a base substrate and a signal line film layer arranged on the base substrate; the signal line film layer includes: a first conductive layer, a second conductive layer and a conductive connection layer, the conductive connection layer is arranged at a different layer from each of the first conductive layer and the second conductive layer, and an orthographic projection of the conductive connection layer on the base substrate at least partially overlaps an orthographic projection of the first conductive layer on the base substrate, and the orthographic projection of the conductive connection layer on the base substrate at least partially overlaps an orthographic projection of the second conductive layer on the base substrate, the conductive connection layer is respectively coupled to the first conductive layer and the second conductive connection layer.

Display substrate and display device

The present disclosure provides a pixel driving circuit and a display panel. The pixel drive circuit includes: a data writing sub-circuit, a threshold compensation sub-circuit, a driving sub-circuit and a storage sub-circuit, the data writing sub-circuit includes a fourth transistor, which includes a first electrode connected with a data line, a second electrode connected with a first terminal of the driving sub-circuit, and a control electrode connected with a first scan signal line, and the fourth transistor is an oxide thin film transistor; the threshold compensation sub-circuit is configured to compensate a threshold voltage of the driving sub-circuit in response to a second scan signal; the storage sub-circuit is configured to store a data voltage signal; the driving sub-circuit is configured to provide a driving current for a light emitting device to be driven according to voltages of the first terminal and a control terminal thereof.

Pixel driving circuit and display panel

A pixel driving circuit includes a driving circuit, a first reset circuit, and a second reset circuit. The driving circuit is coupled to a first node and a second node, and is configured to output a driving current according to a voltage difference between the first node and the second node. The first reset circuit is coupled to the first node, a first initial signal terminal and a first reset signal terminal, and is configured to transmit a signal of the first initial signal terminal to the first node in response to a signal of the first reset signal terminal. The second reset circuit is coupled to the second node and a first power terminal, and is configured to transmit a signal of the first power supply terminal to the second node in response to a control signal.

Pixel driving circuit and driving method thereof, and display panel

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

The present disclosure provides a mask plate, a display panel and a display device. The mask plate comprises: a transparent substrate; an opaque film layer, the opaque film layer being disposed on the transparent substrate. The opaque film layer includes a plurality of first regions and a plurality of second regions, a first sub-region in the first region and the second region are transmissive, and the remaining portion in the first region is semi-transmissive. The mask plate is used to form via holes in the planarization layer of the display panel by exposure, so that the angles between the metal electrode layers disposed in the via holes and the source/drain layers of the display panel are small and diversified, decreasing the visibility of the metal electrode layers.

Mask plate, display panel and display device

The present disclosure provides a display substrate and a method for manufacturing the same and a display device. The display substrate includes: an array of sub-pixels, a signal line and a first retaining wall structure. A first conductive pattern of the signal line is between a base substrate and a second conductive pattern of the signal line. An orthographic projection of a second portion of the first retaining wall structure on the base substrate partially overlaps an orthographic projection of the first conductive pattern on the base substrate; a boundary of the orthographic projection of the second portion on the base substrate distal to the array of sub-pixels, is between the array of sub-pixels and a boundary of the orthographic projection of the first conductive pattern on the base substrate distal to the array of sub-pixels. The orthographic projection of the second portion on the base substrate partially overlaps the orthographic projection of the second conductive pattern on the base substrate; a boundary of the orthographic projection of the second conductive pattern on the base substrate close to the array of sub-pixels, is between the array of sub-pixels and a boundary of the orthographic projection of the second portion on the base substrate, close to the array of sub-pixels.

Display substrate and method for manufacturing the same 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 panel including a pixel driving circuit including a driving transistor (T), a first transistor (T) having a gate electrode connected to a first gate line (Re) and a first electrode connected to a gate electrode of the driving transistor (T), and a second transistor (T) having a gate electrode connected to a second gate line (G), a first electrode connected to the gate electrode of the driving transistor (T), and a second electrode connected to a second electrode of the driving transistor (T), the driving transistor (T) is a P type transistor, and the first transistor (T) and the second transistor (T) are N type transistors, wherein the display panel further includes: a base substrate, a first conductive layer, a third conductive layer, and a first conducting part ().

A display substrate, a method for manufacturing the display substrate and a display device are provided. The display substrate includes an Electric Test (ET) region. At least one testing pad and an insulation structure surrounding the testing pad are arranged in the ET region, and a distance between a surface of the insulation structure distal to a base substrate of the display substrate and the base substrate is not greater than a distance between a surface of the testing pad distal to the base substrate and the base substrate.

Display substrate, method for manufacturing display substrate, and display device

The present disclosure provides a touch circuit, a touch panel and a display device. The touch circuit includes: a plurality of touch signal lines electrically connected with a control circuit, a voltage signal line for providing a preset voltage, and a plurality of switching circuits in one to one correspondence with the touch signal lines, wherein each switching circuit of the plurality of the switching circuits is electrically connected with the corresponding touch signal line and the voltage signal line, the switching circuit is configured to be in an off state under a condition that a voltage value on the corresponding touch signal line is within a preset range, and is also configured to be in an on state under a condition that the voltage value on the corresponding touch signal line is not within the preset range.

Growing community of inventors

Beijing, China

Erlong Song