公开(公告)号：US20230360608A1

公开(公告)日：2023-11-09

申请号：US17630634

申请日：2021-03-19

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Guangliang SHANG ,  Can ZHENG ,  Jiangnan LU ,  Yuhan QIAN ,  Li WANG ,  Libin LIU ,  Shiming SHI ,  Dawei WANG

IPC: G09G3/3266 ,  G11C19/28

CPC classification number: G09G3/3266 ,  G11C19/28 ,  G09G2310/0286

Abstract: A shift register unit, a method for driving a shift register unit, a gate driving circuit, and a display device are provided. The shift register unit includes: a second noise reduction control circuit. The second noise reduction control circuit includes: a first control circuit, configured to transmit a first voltage to a second noise reduction control node; a first coupling circuit, configured to store a level of the second noise reduction control node and adjust the level of the second noise reduction control node; a second coupling circuit, configured to reduce an adjustment magnitude of the first coupling circuit in case of adjusting the level of the second noise reduction control node; a transmission circuit, configured to connect the first noise reduction control node and the second noise reduction control node; and a storage circuit, configured to store the level of the first noise reduction control node.

公开(公告)号：US20230225165A1

公开(公告)日：2023-07-13

申请号：US18107991

申请日：2023-02-09

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yipeng CHEN ,  Lujiang HUANGFU ,  Libin LIU

IPC: H01L51/00

CPC classification number: H10K59/131 ,  H10K59/126 ,  H10K59/1216 ,  H10K59/1213 ,  H10K59/1201

Abstract: The present disclosure provides a display panel and a method of manufacturing the same and a display device. In a sub-pixel driving circuit of the display panel, a gate electrode of a driving transistor is coupled to a second electrode of a second transistor through a fourth conductive connection portion, and a second electrode plate of a storage capacitor is coupled to a second electrode of a first transistor through a third conductive connection portion, a gate electrode of the first transistor and a gate electrode of the second transistor are respectively coupled to a gate line pattern in the corresponding sub-pixel area; orthographic projection of the gate line pattern on the substrate does not overlap orthographic projection of the third conductive connecting portion on the substrate, and/or does not overlap orthographic projection of the fourth conductive connection portion on the substrate.

公开(公告)号：US20230154402A1

公开(公告)日：2023-05-18

申请号：US17626474

申请日：2021-01-27

Applicant: BOE Technology Group Co., Ltd.

Inventor： Can ZHENG ,  Jianchao ZHU ,  Lujiang HUANGFU ,  Libin LIU ,  Shiming SHI

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0852 ,  G09G2310/08 ,  G09G2300/0819 ,  G09G2300/0861 ,  G09G2310/0297 ,  G09G2330/021

Abstract: In a pixel driving circuit, a compensation sub-circuit is respectively coupled to a first control terminal, a control terminal and a second terminal of the driving sub-circuit; a first terminal of the first coupling sub-circuit is coupled to the control terminal of the driving sub-circuit; a first terminal of the second coupling sub-circuit is coupled to a second terminal of the first coupling sub-circuit; a first reset sub-circuit is respectively coupled to a second control terminal, the control terminal of the driving sub-circuit and an initialization signal output terminal; a second reset sub-circuit is respectively coupled to a third control terminal, a second terminal of the first coupling sub-circuit and the first level signal output terminal; a first light emitting control sub-circuit is respectively coupled to a light emitting control terminal, a second terminal of the second coupling sub-circuit and a reference signal output terminal.

公开(公告)号：US20230042603A1

公开(公告)日：2023-02-09

申请号：US17791965

申请日：2021-05-17

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Lujiang HUANGFU ,  Li WANG ,  Can ZHENG ,  Libin LIU

IPC: G09G3/3258

Abstract: A pixel driving circuit includes a reset sub-circuit, a compensation sub-circuit, a light-emitting control sub-circuit and a driving sub-circuit. The reset sub-circuit is configured to transmit an initialization signal received from an initialization signal terminal to the light-emitting control sub-circuit. The fight-emitting control sub-circuit is configured to transmit the initialization signal to the first node. The compensation sub-circuit is configured to transmit the initialization signal from the first node to a second node so as to reset a voltage of the second node. The driving sub-circuit is configured to open a conductive path from a first voltage signal terminal to the initialization signal terminal during a process of resetting the voltage of the second node.

公开(公告)号：US20230031474A1

公开(公告)日：2023-02-02

申请号：US17788755

申请日：2021-06-11

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yuhan QIAN ,  Libin LIU ,  Long HAN ,  Fangxu CAO ,  Pinfan WANG ,  Yang YU ,  Wenqiang LI ,  Zubin LV ,  Li JIA

IPC: H01L51/00 ,  H01L27/32 ,  H01L51/52 ,  H01L27/12

Abstract: A flexible array substrate includes at least one stretchable region; wherein the flexible array substrate is provided with a plurality of through holes within the stretchable region, and the plurality of through holes divide the stretchable region into a pixel island area for displaying and a bridging area for signal transmission; the bridging area includes a source-drain bridging area. The flexible array substrate, in the source-drain bridging area, includes: a base substrate, a first source-drain metal layer, a first insulating material layer, a second source-drain metal layer, a second insulating material layer, and an encapsulation layer that are sequentially stacked.

公开(公告)号：US20230005415A1

公开(公告)日：2023-01-05

申请号：US17779845

申请日：2021-04-22

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Guangliang SHANG ,  Jiangnan LU ,  Jie ZHANG ,  Libin LIU ,  Shiming SHI ,  Dawei WANG

IPC: G09G3/20

Abstract: A shift register circuit includes a denoising control sub-circuit and a denoising sub-circuit. The denoting control sub-circuit is configured to generate an alternating voltage signal according to a voltage of a first voltage terminal and a signal of a second clock signal terminal in response to a signal of a first clock signal terminal, to rectify the alternating voltage signal and then to output a signal to a first denoising control node, so that the voltage of the first denoting control node is maintained to be a voltage that enables the denoising sub-circuit to be turned on. The denoting sub-circuit is configured to denoise a scan signal output terminal in response to a voltage of the first denoising control node being the voltage that enables the denoising sub-circuit to be turned on.

公开(公告)号：US20220406874A1

公开(公告)日：2022-12-22

申请号：US17762697

申请日：2021-04-15

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yipeng CHEN ,  Lujiang HUANGFU ,  Libin LIU

IPC: H01L27/32 ,  H01L51/56

Abstract: The present disclosure provides a display panel, a manufacturing method thereof, and a display device. The initialization signal line layer in the display panel includes an initialization signal line pattern arranged in each sub-pixel area; the anode layer includes a plurality of anode patterns, and an anode spacing area is formed between adjacent anode patterns; the first auxiliary signal line layer is a grid structure, at least part of the first auxiliary signal line layer is located in the anode spacing area, and the initialization signal line pattern in each sub-pixel area is coupled to the first auxiliary signal line layer.

公开(公告)号：US20220328572A1

公开(公告)日：2022-10-13

申请号：US17847548

申请日：2022-06-23

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Libin LIU ,  Qian YANG ,  Hongli WANG ,  Lujiang HUANGFU

IPC: H01L27/32 ,  H01L51/52

Abstract: A display substrate and a display device. The display substrate includes a first sub-pixel (111), a second sub-pixel (112), and a first spacer (0101). A line connecting the center (C1) of the first sub-pixel (111) and the center (C2) of the second sub-pixel (112) is a center line (CL1); the center line (CL1) is not perpendicular to a first direction (X); the first direction (X) is at least one of the row direction or the column direction. The first spacer (0101) is disposed between the first sub-pixel (111) and the second sub-pixel (112), and the extension direction (E01) of first spacer (0101) between the first sub-pixel (111) and the second sub-pixel (112) is not perpendicular to the first direction (X). Therefore, the display substrate can improve the different viewing angle color cast and improve the display quality.

公开(公告)号：US20220327997A1

公开(公告)日：2022-10-13

申请号：US17415758

申请日：2020-12-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Libin LIU ,  Yu FENG ,  Shiming SHI

IPC: G09G3/3233

Abstract: The present disclosure relates to the field of display technology, and proposes a pixel driving circuit, a pixel structure, and a display panel. The pixel driving circuit includes a plurality of driving transistors. For each driving transistor the first terminal is connected to a first power terminal, the second terminal is connected to a first node, and the control terminal is connected to a second node, so as to input current to the first node under the effect of the voltage at the second node. The low pixel density area of the display panel can be provided with the above-mentioned pixel driving circuit, so that the brightness difference between the low pixel density area and the high pixel density area can be avoided.

公开(公告)号：US20220271114A1

公开(公告)日：2022-08-25

申请号：US17638983

申请日：2021-01-22

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xinshe YIN ,  Tian DONG ,  Libin LIU

IPC: H01L27/32 ,  H01L51/52

Abstract: Provided are a display substrate, an organic light-emitting display panel, and a display device. A shielding layer is arranged between a first gate metal layer and a source-drain metal layer such that same are insulated from each other, an orthographic projection, on a base substrate, of the shielding layer covers at least an orthographic projection, on the base substrate, of an overlapping area of a scanning signal line and a detection signal line, and the shielding layer is coupled to a fixed voltage.