公开(公告)号：US11735108B2

公开(公告)日：2023-08-22

申请号：US16958480

申请日：2019-07-31

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Libin Liu ,  Mei Li ,  Hongli Wang

IPC: G09G3/3233 ,  H10K59/131 ,  H01L27/12 ,  H10K59/121

CPC classification number: G09G3/3233 ,  H10K59/131 ,  G09G2300/0426 ,  G09G2300/0443 ,  G09G2300/0452 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2320/0233 ,  H01L27/124 ,  H10K59/1213

Abstract: A display substrate, a preparation method thereof, a display panel, and a display device are provided. The display substrate includes a base substrate and a repeating unit, the repeating unit includes a plurality of sub-pixels including a first sub-pixel and a second sub-pixel, a color of light emitted by a light-emitting element of the first sub-pixel is identical to a color of light emitted by a light-emitting element of the second sub-pixel, a shape of a first light-emitting voltage application electrode of the light-emitting element of the first sub-pixel is different from a shape of a first light-emitting voltage application electrode of the light-emitting element of the second sub-pixel.

公开(公告)号：US11723246B2

公开(公告)日：2023-08-08

申请号：US17263257

申请日：2020-07-23

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jie Zhang ,  Libin Liu

IPC: H01L27/32 ,  H10K59/131 ,  G09G3/3233 ,  G09G3/3266 ,  H10K71/00 ,  H10K59/12 ,  H10K59/121

CPC classification number: H10K59/131 ,  G09G3/3233 ,  G09G3/3266 ,  H10K71/00 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/0286 ,  H10K59/1201 ,  H10K59/1216

Abstract: The present disclosure discloses a display panel, a preparation method thereof and a display device. A first conducting layer includes a first electrode layer, a second conducting layer includes a second electrode layer, a third conducting layer includes a third electrode layer, an orthographic projection of the first electrode layer on a base substrate, an orthographic projection of the second electrode layer on the base substrate and an orthographic projection of the third electrode layer on the base substrate have an overlap region with one another, in this way, the first electrode layer and the third electrode layer may be electrically connected with each other to serve as one electrode of a storage capacitor, the second electrode layer may serve as another electrode of the storage capacitor, thus the storage capacitor may be formed in a sandwich capacitor mode, and a capacitance value of the storage capacitor may be increased.

公开(公告)号：US11688343B2

公开(公告)日：2023-06-27

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 ,  G09G2300/043 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/0297 ,  G09G2310/08 ,  G09G2320/0242 ,  G09G2320/0257 ,  G09G2320/045 ,  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：US20230180540A1

公开(公告)日：2023-06-08

申请号：US17779741

申请日：2021-03-05

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jiangnan Lu ,  Libin Liu

IPC: H10K59/124 ,  H10K59/12 ,  H10K59/80

CPC classification number: H10K59/124 ,  H10K59/1201 ,  H10K59/80515 ,  H10K59/35

Abstract: Provided is a display panel. The display panel includes a base substrate, provided with a curved display region and a planar display region, wherein the curved display region is configured for curved display; and a plurality of first sub-pixels disposed in the curved display region and a plurality of second sub-pixels disposed in the planar display region, wherein each of the first sub-pixels and the second sub-pixels includes: a planarization layer, an electrode pattern, a light-emitting pattern, and an electrode layer which are sequentially laminated in a direction going away from the base substrate.

公开(公告)号：US20230155088A1

公开(公告)日：2023-05-18

申请号：US17628425

申请日：2021-02-03

Applicant: BOE Technology Group Co., Ltd.

Inventor： Long Han ,  Pinfan Wang ,  Fangxu Cao ,  Wenqiang Li ,  Libin Liu

IPC: H01L33/62 ,  H01L27/15 ,  H01L29/786 ,  H01L27/12

CPC classification number: H01L33/62 ,  H01L27/124 ,  H01L27/156 ,  H01L27/1255 ,  H01L29/78696

Abstract: A display substrate and a display device. The display substrate includes: a plurality of pixel islands, a first opening, a second opening and a first passage region. Each pixel island includes at least one pixel, each pixel includes a plurality of first driving lines, the first passage region is provided with a plurality of first connection lines, each of the plurality of pixel islands further includes a plurality of transfer lines, and the plurality of transfer lines are arranged in different layers from the plurality of first driving lines and cross each other to form a plurality of overlapping regions; the plurality of transfer lines are electrically connected with the plurality of first driving lines through via holes located in part of the overlapping regions, and the transfer lines in two adjacent pixel islands are respectively connected with the plurality of first connection lines in the first passage region.

公开(公告)号：US11581383B2

公开(公告)日：2023-02-14

申请号：US17044182

申请日：2020-04-10

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Li Wang ,  Libin Liu

IPC: H01L27/32 ,  G09G3/32

Abstract: The present disclosure provides an array substrate and a manufacturing method thereof, a display panel and a display device. The array substrate according to an embodiment of the present disclosure includes: a base substrate, and a plurality of pixel units located on the base substrate; each pixel unit at least includes a driving transistor and a light-emitting device; the array substrate further includes: a shielding layer located between a layer where a gate of a driving transistor in each of the pixel units is located and a layer where a first electrode of the light-emitting device is located.

公开(公告)号：US11538395B2

公开(公告)日：2022-12-27

申请号：US17256233

申请日：2020-03-18

Applicant: BOE Technology Group Co., Ltd.

Inventor： Guangliang Shang ,  Jiangnan Lu ,  Can Zheng ,  Hao Zhang ,  Long Han ,  Libin Liu ,  Shiming Shi ,  Dawei Wang

IPC: G09G3/20 ,  G11C19/28

Abstract: A shift register unit includes an input circuit, a first control circuit, a second control circuit and an output circuit. The input circuit is configured to provide signals of the signal input terminal to the first control node, and provide signals of the first power supply terminal or the first clock signal terminal to the second control node. The first control circuit is configured to provide signals of the second power supply terminal or the second clock signal terminal to the first output terminal. The second control circuit is configured to provide signals of the first power supply terminal to the second output terminal. The output circuit is configured to provide signals of the second power supply terminal to the second output terminal.

公开(公告)号：US11462149B2

公开(公告)日：2022-10-04

申请号：US17275068

申请日：2020-04-24

Applicant: BOE Technology Group Co., Ltd.

Inventor： Guangliang Shang ,  Jiangnan Lu ,  Jie Zhang ,  Yu Feng ,  Libin Liu

IPC: G11C19/00 ,  G09G3/20 ,  G11C19/28

Abstract: Embodiments of the present disclosure provide a shift register unit and a method foe driving the same, a gate driving circuit, and a display device. The shift register unit includes: a control circuit coupled to an input signal terminal, a clock signal terminal, and an output control terminal, and configured to provide an output control signal to the output control terminal based on a signal from the input signal terminal and a signal from the clock signal terminal; and an output circuit coupled to the output control terminal, an output signal terminal, and a threshold voltage control terminal, and configured to provide an output signal to the output signal terminal under control of a potential at the output control terminal, and adjust a threshold voltage of at least one of a plurality of transistors in the output circuit under control of a signal from the threshold voltage control terminal.

公开(公告)号：US11450723B2

公开(公告)日：2022-09-20

申请号：US16614813

申请日：2019-03-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yipeng Chen ,  Libin Liu ,  Yunfei Li

IPC: H01L29/12 ,  H01L27/32 ,  G09G3/3258 ,  H01L27/12

Abstract: The present disclosure provides a wire layout of a pixel driving circuit. The circuit includes: a first switching element, a control terminal of the first switching element being coupled to a scan signal line, a first terminal of the first switching element being coupled to a data signal line; and a driving transistor, a first terminal of the driving transistor being coupled to a power signal line; wherein a first distance between the data signal line and the control terminal of the driving transistor is greater than a second distance between the first power signal line and the control terminal of the driving transistor.

公开(公告)号：US11417713B2

公开(公告)日：2022-08-16

申请号：US17170437

申请日：2021-02-08

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Lujiang Huangfu ,  Libin Liu ,  Yipeng Chen

IPC: H01L27/32 ,  H01L27/11 ,  H01L27/01

Abstract: A substrate and a manufacturing method therefor, and an electronic device are provided. The substrate includes: a base substrate including a working region, and a non-working region outside of the working region, the non-working region including a peripheral circuit region near the working region and a non-circuit region away from the working region; a peripheral circuit in the peripheral circuit region; a common electrode lead in the non-working region; a common electrode; and a bridging conductive layer made of opaque conductive material in the non-working region and electrically connects the common electrode and the common electrode lead. An orthographic projection of the bridging conductive layer on the base substrate at least partially coincides with an orthographic projection of the peripheral circuit region on the base substrate, and bridging conductive layer is insulated from the peripheral circuit.