公开(公告)号：US20250104646A1

公开(公告)日：2025-03-27

申请号：US18558905

申请日：2023-01-13

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Chengyuan LUO ,  Pan XU ,  Ying HAN ,  Xing ZHANG ,  Donghui ZHAO ,  Guangshuang LV ,  Cheng XU ,  Xing YAO ,  Dandan ZHOU ,  Miao LIU

IPC: G09G3/3266

Abstract: A driving circuit, a driving module, a driving method, a display substrate and a display device are provided. The driving circuit includes a first leakage prevention circuit, an output circuit and a first control node control circuit; the first leakage prevention circuit is configured to control to connect or disconnect the first control node, the first node and the first intermediate node under the control of a first voltage signal provided by the first voltage line according to a potential of the first intermediate node, control to connect or disconnect the first intermediate node and the second voltage line under the control of the potential of the first node, and control to disconnect the first control node and the first node when the first intermediate node and the second voltage line is connected.

公开(公告)号：US20250024716A1

公开(公告)日：2025-01-16

申请号：US18279650

申请日：2022-05-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Ying HAN ,  Pan XU ,  Xing ZHANG ,  Chengyuan LUO ,  Donghui ZHAO

IPC: H10K59/131 ,  H10K59/12 ,  H10K59/122 ,  H10K59/80 ,  H10K71/60

Abstract: A display panel, a manufacturing method thereof, and a display device are provided. The display panel includes: a base substrate; a conductive connection member including a separation structure; a light-emitting functional layer, located on a side of the conductive connection member facing away from the base substrate, and disconnected at the separation structure; a first electrode, located on a side of the light-emitting functional layer facing away from the base substrate, and an auxiliary electrode located on a side of the conductive connection member close to the base substrate; the first electrode is connected with the conductive connection member at the separation structure, the first electrode is connected with the auxiliary electrode through the conductive connection member, and the separation structure includes a groove, and an angle between an orientation of the groove and the base substrate is an acute angle.

公开(公告)号：US20250095547A1

公开(公告)日：2025-03-20

申请号：US18576548

申请日：2022-12-23

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Ying HAN ,  Pan XU ,  Xing ZHANG ,  Chengyuan LUO ,  Guangshuang LV ,  Donghui ZHAO ,  Cheng XU

IPC: G09G3/32 ,  G09G3/3233

Abstract: Provided are a display substrate and a display device. The display substrate includes a base substrate and a plurality of sub-pixels, the sub-pixel includes a pixel circuit and a light-emitting element, the pixel circuit is configured to drive the light-emitting element, and the light-emitting element includes a first electrode, a second electrode, and a light-emitting functional layer located therebetween; the pixel circuit includes a driving transistor, and the first electrode of the light-emitting element is electrically connected to a first electrode of the driving transistor; the plurality of sub-pixels include a first sub-pixel and a second sub-pixel, the first sub-pixel is adjacent to the second sub-pixel, and an orthographic projection of the first electrode of the light-emitting element of the first sub-pixel on the base substrate does not overlap an orthographic projection of the pixel circuit of the second sub-pixel on the base substrate.

公开(公告)号：US20240428731A1

公开(公告)日：2024-12-26

申请号：US18288451

申请日：2023-01-03

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Ying HAN ,  Pan XU ,  Mingi CHU ,  Donghui ZHAO ,  Xing ZHANG ,  Chengyuan LUO ,  Guangshuang LV ,  Miao LIU ,  Xing YAO

IPC: G09G3/3233 ,  G09G3/3266 ,  G09G3/3291

Abstract: A pixel driving circuit is provided to include: a driving transistor; a data writing circuit configured to write a display data voltage from the data line to a first node in a display driving process, and sequentially write a sensing data voltage and a reset data voltage from the data line to the first node in a threshold voltage sensing process; a threshold compensation circuit configured to write a reference voltage from a reference voltage supply terminal to the first node and write a first compensation voltage to a second node in the display driving process, and write a second compensation voltage to the second node when a voltage at the first node changes from the reference voltage to the display data voltage; a sensing circuit configured to write an initialization voltage from the sensing line to the second node in the threshold voltage sensing process; a light emitting element.

公开(公告)号：US20250078749A1

公开(公告)日：2025-03-06

申请号：US18558143

申请日：2022-11-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Ying HAN ,  Pan XU ,  Xing ZHANG ,  Chengyuan LUO ,  Donghui ZHAO ,  Guangshuang LV ,  Cheng XU

IPC: G09G3/3233

Abstract: Pixel circuit, driving method, display substrate, panel and device are disclosed. The pixel circuit includes light-emitting element, and pixel driving circuit including driving circuit, data writing circuit and compensation control circuit; the data writing circuit writes data voltage into control end of driving circuit under control of write control signal in data writing phase; the compensation control circuit writes reference voltage into the control end of driving circuit under control of compensation control signal in compensation phase; the driving circuit is electrically connected to the light-emitting element, and is configured to drive the light-emitting element; the data writing phase does not overlap with the compensation phase. The threshold voltage compensation process does not occupy data writing time in timing, potential of source electrode of the driving transistor included in the driving circuit can be charged to theoretical target potential, which is applicable to display products with high refresh rate.

公开(公告)号：US20250008790A1

公开(公告)日：2025-01-02

申请号：US18277228

申请日：2022-11-30

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xing ZHANG ,  Pan XU ,  Ying HAN ,  Chengyuan LUO ,  Donghui ZHAO ,  Guangshuang LV ,  Cheng XU

IPC: H10K59/131

Abstract: A display panel and a display apparatus are provided, the display panel includes a substrate and a drive circuit layer, the drive circuit layer includes a pixel drive circuit (PE) and a first scan signal line (G1), the pixel drive circuit is electrically connected with the first scan signal line (G1), and the first scan signal lines (G1) connected with adjacent rows of pixel drive circuits are electrically isolated; the drive circuit layer further includes a first signal line located in a non-display region (AA′) and a second signal line corresponding to the first signal line, the first signal line is configured to supply a signal to the first scan signal line (G1), an orthographic projection of the first signal line on the substrate at least partially overlaps an orthographic projection of the corresponding second signal line on the substrate.

公开(公告)号：US20250166573A1

公开(公告)日：2025-05-22

申请号：US18290493

申请日：2023-02-28

Applicant: BOE Technology Group Co., Ltd.

Inventor： Chengyuan LUO ,  Pan XU ,  Ying HAN ,  Donghui ZHAO ,  Xing ZHANG ,  Guangshuang LV ,  Cheng XU ,  Xing YAO ,  Dandan ZHOU ,  Miao LIU

IPC: G09G3/3266 ,  G09G3/3233 ,  G11C19/28

Abstract: A shift register is provided to include: a voltage regulating circuit to adjust voltages at first and second nodes; a light-emitting cascade output circuit to write a second operating voltage from a second power terminal to a light-emitting cascade signal output terminal in response to control of the voltage at the first node, and write a first operating voltage from a first power terminal to the light-emitting cascade signal output terminal in response to control of the voltage at the second node; a light-emitting driving output circuit to write a third operating voltage from a third power terminal to a light-emitting control driving signal output terminal in response to control of the voltage at the first node, and write a fifth operating voltage from a fifth power terminal to the light-emitting control driving signal output terminal in response to control of the voltage at the second node; and a first anti-leakage circuit to write a fourth operating voltage from a fourth power terminal to a first anti-leakage node in response to control of the voltage at the second node.

公开(公告)号：US20250095536A1

公开(公告)日：2025-03-20

申请号：US18290015

申请日：2022-11-23

Applicant: BOE Technology Group Co., Ltd.

Inventor： Donghui ZHAO ,  Pan XU ,  Ying HAN ,  Xing ZHANG ,  Chengyuan LUO ,  Guangshuang LV ,  Xing YAO ,  Dandan ZHOU ,  Miao LIU

IPC: G09G3/20

Abstract: Provided is a pixel drive circuit. The pixel drive circuit includes a plurality of scan drive circuits transmitting gate drive signals to pixels, a plurality of emission drive circuits transmitting emission control signals to the pixels, a plurality of compensation drive circuits transmitting compensation signals to the pixels, and a plurality of reset drive circuits transmitting reset signals to the pixels, which are all cascaded in a pixel column direction. In addition, the scan drive circuit, the emission drive circuit, the compensation drive circuit, and the reset drive circuit corresponding to the same row of pixels are arranged sequentially along a pixel row direction, the scan drive circuit being disposed farthest away from the pixels. Moreover, among signal lines coupled to the pixel drive circuit, a plurality of signal lines is overlapped with each other, and cutouts are provided at the overlapping portions of the plurality of signal lines.

公开(公告)号：US20250031531A1

公开(公告)日：2025-01-23

申请号：US18282106

申请日：2022-11-28

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Ying HAN ,  Pan XU ,  Xing ZHANG ,  Guangshuang LV ,  Donghui ZHAO ,  Chengyuan LUO ,  Cheng XU

IPC: H10K59/124 ,  G09G3/00 ,  G09G3/3225 ,  H10K59/122 ,  H10K59/131

Abstract: A display substrate and a display device, the display substrate includes a base substrate, a pixel driving circuit layer, a first planarization layer, a first metal layer, a second planarization layer, a plurality of first electrodes and a pixel definition layer; the pixel driving circuit layer includes a plurality of pixel driving circuits, the first planarization layer includes a plurality of first vias respectively exposing output terminals of the pixel driving circuits, the first metal layer includes a plurality of data lines extending in a first direction, the pixel definition layer includes a plurality of first definition walls extending in the first direction and a plurality of second definition walls extending in a second direction, and an orthographic projection of at least part of the data lines on the base substrate respectively overlaps with orthographic projections of the plurality of first definition walls on the base substrate.

公开(公告)号：US20250029558A1

公开(公告)日：2025-01-23

申请号：US18281110

申请日：2022-11-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xing ZHANG ,  Pan XU ,  Donghui ZHAO ,  Ying HAN ,  Chengyuan LUO ,  Guangshuang LV ,  Cheng XU ,  Miao LIU ,  Dandan ZHOU

IPC: G09G3/3233

Abstract: A driving circuit, a driving method and a display device are provided. The driving circuit includes a first control node control circuit, a second control node control circuit, a first node control circuit and a second node control circuit, wherein, the first control node control circuit is configured to control a potential of the first control node; the second control node control circuit is configured to control a potential of the second control node; the first node control circuit is configured to control a potential of the first node; the second node control circuit is electrically connected to the second control node, a first clock signal terminal and a second node respectively, and is configured to control to connect the first clock signal terminal and the second node under the control of the potential of the second control node.