公开(公告)号：US11974462B2

公开(公告)日：2024-04-30

申请号：US16962679

申请日：2020-02-25

Applicant: BOE Technology Group Co., Ltd.

Inventor： Ling Wang ,  Yicheng Lin ,  Pan Xu ,  Guoying Wang ,  Guang Yan

IPC: H10K59/121 ,  H10K59/131 ,  H01L27/12 ,  H10K59/122 ,  H10K59/124 ,  H10K59/126

CPC classification number: H10K59/1213 ,  H10K59/131 ,  H01L27/1214 ,  H10K59/122 ,  H10K59/124 ,  H10K59/126

Abstract: Disclosed are a display panel and a display device. The display panel includes a base substrate; a plurality of data signal lines on the base substrate, and a plurality of pixel units; and each pixel unit has a transparent area and a non-transparent area; the pixel unit includes a plurality of sub-pixels in the non-transparent area. All sub-pixels in the display panel are arranged in an array, each column of sub-pixels corresponds to a respective one of the data signal lines, and at least part of the data signal lines are arranged around the transparent areas.

公开(公告)号：US11889707B2

公开(公告)日：2024-01-30

申请号：US17276746

申请日：2020-06-05

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Guoying Wang ,  Zhen Song ,  Yicheng Lin ,  Xing Zhang ,  Pan Xu ,  Ling Wang ,  Ying Han

IPC: H10K59/124 ,  H10K59/122 ,  H10K59/121 ,  H10K71/00 ,  H10K59/12

CPC classification number: H10K59/122 ,  H10K59/121 ,  H10K59/124 ,  H10K71/00 ,  H10K59/1201

Abstract: An organic light-emitting diode (OLED) display substrate, a manufacturing method thereof and a display panel are provided. The OLED display substrate has pixel regions and includes a base substrate and a pixel defining layer disposed on the base substrate; in regions of the pixel defining layer corresponding to the pixel regions, accommodation parts penetrating the pixel defining layer are disposed, and the pixel defining layer is further provided with guide parts disposed corresponding to the accommodation parts, the guide parts are located on a periphery of the corresponding accommodation parts and formed by recessed areas which are formed on a side of the pixel defining layer away from the base substrate, the recessed areas do not penetrate the pixel defining layer, and an orthographic projection of the guide part on the base substrate is directly coupled to an orthographic projection of the corresponding accommodation part on the base substrate.

公开(公告)号：US20230147375A1

公开(公告)日：2023-05-11

申请号：US16971673

申请日：2019-11-04

Applicant: BOE Technology Group Co., Ltd.

Inventor： Guoying Wang ,  Yicheng Lin ,  Ling Wang ,  Zhen Song ,  Pan Xu ,  Xing Zhang ,  Ying Han ,  Zhan Gao

IPC: H10K59/13 ,  H10K59/126 ,  H10K59/124 ,  H10K59/121 ,  H10K59/131 ,  H10K59/38

CPC classification number: H01L27/3269 ,  H01L27/322 ,  H01L27/3258 ,  H01L27/3262 ,  H01L27/3272 ,  H01L27/3276 ,  H01L2227/323

Abstract: A display substrate having a plurality of subpixels is provided. A respective one of the plurality of subpixels includes alight emitting element; a first thin film transistor configured to driving light emission of the light emitting element; and a light emitting brightness value detector. The light emitting brightness value detector includes a second thin film transistor; and a photosensor electrically connected to the second thin film transistor and configured to detect a light emitting brightness value. The display substrate further includes a silicon organic glass layer on a side of at least one of the first thin film transistor or the second thin film transistor away from a base substrate; and the photosensor is on a side of the silicon organic glass layer away from the base substrate.

公开(公告)号：US20230031110A1

公开(公告)日：2023-02-02

申请号：US17788387

申请日：2021-08-04

Applicant: BOE Technology Group Co., Ltd.

Inventor： Ying Han ,  Yicheng Lin ,  Ling Wang ,  Guoying Wang ,  Xing Zhang ,  Zhan Gao ,  Pan Xu

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

Abstract: The display substrate includes: a substrate; a plurality of pixel units on the substrate, each pixel unit includes a plurality of sub-pixels, each sub-pixel includes a light-emitting element and a pixel drive circuit; a photosensitive circuit on the substrate; a first conductive film layer on the substrate. The pixel drive circuit includes a drive transistor, a gate electrode of the drive transistor is located on a side of a drive active layer away from the substrate, an orthographic projection of the gate electrode of the drive transistor on the substrate at least partially overlaps an orthographic projection of the drive active layer on the substrate. The first conductive film layer includes a first light-shielding portion between the substrate and the drive active layer, and an orthographic projection of the first light-shielding portion on the substrate at least partially overlaps the orthographic projection of the drive active layer on the substrate.

公开(公告)号：US11570877B2

公开(公告)日：2023-01-31

申请号：US17132510

申请日：2020-12-23

Applicant: BOE Technology Group Co., Ltd.

Inventor： Pan Xu ,  Yongqian Li ,  Guoying Wang ,  Dacheng Zhang ,  Lang Liu

IPC: H05F3/00 ,  G06F1/26 ,  G09F9/30 ,  H01L27/02 ,  H02H9/04 ,  G09G3/36

Abstract: A display panel and a display apparatus are disclosed. The display panel comprises: a plurality of signal lines extending in a first direction; at least one first reference voltage bus which extends in a second direction intersecting the first direction; and a plurality of electrostatic discharge units divided into a plurality of electrostatic discharge unit groups, wherein the plurality of electrostatic discharge unit groups are arranged in the second direction and each of the plurality of electrostatic discharge unit groups comprises at least two electrostatic discharge units arranged in the first direction, wherein at least one of the plurality of signal lines is electrically connected to the first reference voltage bus through at least one of the plurality of electrostatic discharge units.

公开(公告)号：US11361712B2

公开(公告)日：2022-06-14

申请号：US16959011

申请日：2019-12-12

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pan Xu ,  Yicheng Lin ,  Guoying Wang ,  Ling Wang

IPC: G09G3/3233 ,  G09G3/3275

Abstract: The present disclosure discloses a pixel circuit, a driving method thereof, a display panel, and a display device, which belong to the technical field of display. The pixel circuit includes a data writing sub-circuit, a compensation sub-circuit, a storage sub-circuit, and a driving sub-circuit. Since the compensation sub-circuit may output a first power signal to a first node, the storage sub-circuit may adjust the potential of a second node according to the potential of the first node.

公开(公告)号：US20220181454A1

公开(公告)日：2022-06-09

申请号：US17682239

申请日：2022-02-28

Applicant: BOE Technology Group Co., Ltd.

Inventor： Pan Xu ,  Yicheng Lin ,  Cuili Gai ,  Ling Wang ,  Yongqian Li

IPC: H01L29/417 ,  H01L27/12 ,  H01L27/32 ,  H01L29/66 ,  H01L29/786

Abstract: Embodiments of the present disclosure provide a thin film transistor, a method of manufacturing the same, and a display device. The thin film transistor includes a metal conductive pattern layer, an interlayer insulating layer, and a metal oxide layer; and the metal conductive pattern layer includes: a light shielding pattern, a source signal line, and/or a drain signal line; the metal oxide layer includes: a source electrode, a drain electrode, and an active layer. An orthographic projection of the active layer on the base substrate has an overlapping region with that of the light shielding pattern; the source electrode extends through the interlayer insulating layer to connect to the source signal line, and/or the drain electrode extends through the interlayer insulating layer to connect to the drain signal line.

公开(公告)号：US11329038B2

公开(公告)日：2022-05-10

申请号：US17253537

申请日：2020-05-15

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pan Xu ,  Yicheng Lin ,  Ling Wang ,  Guoying Wang ,  Xing Zhang ,  Ying Han ,  Dongfang Yang

IPC: H05K1/14 ,  H05K1/18 ,  H05K5/00 ,  H05K5/03 ,  H01L25/10 ,  H01L27/12 ,  G02F1/133 ,  G02F1/1333 ,  G04G17/04 ,  G04G17/06 ,  H01L25/18 ,  H01L27/32

Abstract: The present disclosure provides a display device, including: a display panel, a main circuit board, and a plurality of chip-on-films bonded between the display panel and the main circuit board. The wiring area is provided with a plurality of first binding regions; the plurality of first binding regions are distributed along the wiring area. The main circuit board is provided with a plurality of second binding regions which are corresponding to the first binding regions in a one-to-one manner. A shape of the main circuit board is the same as a shape of the wiring area. A first end of each chip-on-film is bonded to one corresponding first binding region; a second end of each chip-on-film is bonded to one corresponding second binding region.

公开(公告)号：US11222565B2

公开(公告)日：2022-01-11

申请号：US16072049

申请日：2018-01-08

Applicant: BOE TECHNOLOGY GROUP CO., LTD. ,  Hefei Xinsheng Optoelectronics Technology Co., Ltd.

Inventor： Xuehuan Feng ,  Xing Zhang ,  Qi Hu ,  Pan Xu ,  Yongqian Li ,  Meng Li ,  Zhidong Yuan ,  Zhenfei Cai ,  Can Yuan

IPC: G09G3/20 ,  G11C19/28

Abstract: The present application discloses a shift register, a gate driving circuit and a driving method thereof, and a display apparatus. The shift register includes an input sub-circuit, an output sub-circuit, a reset control sub-circuit, a pull-up node reset sub-circuit, and an output signal reset sub-circuit; the input sub-circuit is configured to pre-charge the pull-up node under the control of a signal input to the first signal input terminal; the output sub-circuit is configured to output, through the signal output terminal, a signal input to the first clock signal input terminal under the control of a potential of the pull-up node; the reset control sub-circuit is configured to control, under the control of a reset signal input to the second signal input terminal, whether the pull-up node reset sub-circuit and the output signal reset sub-circuit operate to reset the pull-up node and the signal output terminal, respectively.

公开(公告)号：US10923025B2

公开(公告)日：2021-02-16

申请号：US16346519

申请日：2018-11-12

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Cuili Gai ,  Yicheng Lin ,  Ling Wang ,  Pan Xu

IPC: G09G3/32

Abstract: A method for compensating the pixel driving circuit may include: in a light emitting phase of the pixel driving circuit, sensing an electric signal of the first electrode of the electroluminescent element, and calculating an electrical compensation signal based on the electric signal; in the light emitting phase of the pixel driving circuit, sensing a brightness signal of the electroluminescent element by a photosensitive sensor and calculating an optical compensation signal according to the brightness signal; and generating a comprehensive compensation signal according to the electrical compensation signal and the optical compensation signal, and controlling a signal on a control terminal of the drive transistor according to the comprehensive compensation signal.