公开(公告)号：US11232728B2

公开(公告)日：2022-01-25

申请号：US16486820

申请日：2019-01-08

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xueguang Hao ,  Yong Qiao ,  Xinyin Wu

IPC: G09G3/00 ,  G09G3/3258 ,  G09G3/3275 ,  H01L27/32

Abstract: A display panel and a crack detecting method, and a display device are disclosed. The display panel includes a display region and a peripheral region surrounding the display region, the peripheral region being provided with a crack detection circuit structure, the crack detection circuit structure including a detection circuit wire and a first detection switching circuit, the display panel includes a first sub-pixel and a first data line electrically connected to the first sub-pixel, a first end of the first data line is electrically connected to a first end of the detection circuit, a second end of the first data line is electrically connected to a second end of the detection circuit wire through the first detection switching circuit and the second end of the detection circuit wire is configured to receive a detection voltage.

公开(公告)号：US11119538B2

公开(公告)日：2021-09-14

申请号：US16616272

申请日：2019-04-22

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yongda Ma ,  Xueguang Hao ,  Yong Qiao

IPC: H05K1/00 ,  H05K1/02 ,  H05K1/03 ,  H05K1/11 ,  H05K3/30 ,  G06F1/16 ,  H05B33/04 ,  H05B33/06 ,  G09F9/30

Abstract: A flexible display panel and a flexible display device are provided. The flexible display panel includes: a first insulating layer; a plurality of leads disposed above the first insulating layer, the plurality of leads passing through a predetermined bending region of the flexible display panel; a second insulating layer above respective one of the leads; where at least one of the leads is provided with at least one first hollow portion in the predetermined bending region, and the first insulating layer and the second insulating layer are connected via the at least one first hollow portion. In this way, product performance can be improved.

公开(公告)号：US11094766B2

公开(公告)日：2021-08-17

申请号：US16475335

申请日：2018-10-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Hongfei Cheng ,  Yuxin Zhang ,  Xueguang Hao ,  Yongda Ma ,  Yongchun Lu ,  Hui Li

IPC: H01L27/32 ,  H01L49/02 ,  H01L27/12

Abstract: An array substrate, a display panel and a display device are provided. The array substrate includes a plurality of pixel units, wherein each pixel unit includes a storage capacitor including at least three electrode plates parallel to each other, the at least three electrode plates parallel to each other include a first electrode plate, a second electrode plate and a third electrode plate, the first electrode plate is electrically connected to the second electrode plate, the third electrode plate is disposed between the first electrode plate and the second electrode plate, and the first electrode plate and the second electrode plate each have a portion facing towards the third electrode plate.

公开(公告)号：US10978535B2

公开(公告)日：2021-04-13

申请号：US16342039

申请日：2018-08-08

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xueguang Hao ,  Xinyin Wu ,  Yongda Ma

IPC: H01L27/32 ,  G09G3/3233

Abstract: The disclosure discloses a pixel circuit, a display panel, and a display device. The display device comprises: a light emitting device with a second terminal coupled to a low voltage signal line; a drive thin film transistor with a second terminal coupled to a first terminal of the light emitting device; a light emitting control thin film transistor with a first terminal coupled to a high voltage signal line, and a second terminal coupled to a first terminal of the drive thin film transistor; a switch thin film transistor, which controls data voltage to be written into a control terminal of the drive thin film transistor; a reset thin film transistor, which resets potential of the control terminal of the drive thin film transistor; and a storage capacitor, coupled to the control terminal and the second terminal of the drive thin film transistor.

公开(公告)号：US20210013194A1

公开(公告)日：2021-01-14

申请号：US16611431

申请日：2019-04-04

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pan Li ,  Yong Qiao ,  Xueguang Hao

IPC: H01L27/02 ,  H01L27/12

Abstract: The present disclosure provides an electrostatic protection circuit, an array substrate, and a display device. The electrostatic protection circuit includes: a first voltage line, to which a high level voltage is applied; a second voltage line, to which a low level voltage is applied; and a switch assembly, including a plurality of first switch units and a plurality of second switch units arranged along a straight line and sharing an active layer. The first switch units are respectively coupled between the signal lines and the first voltage line, and are turned on in response to negative static electricity on the signal lines. The second switch units are respectively coupled between the signal lines and the second voltage line, and are turned on in response to positive static electricity on the signal lines. The signal lines are arranged in a peripheral region of the array substrate.

公开(公告)号：US10804259B2

公开(公告)日：2020-10-13

申请号：US15647187

申请日：2017-07-11

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xueguang Hao ,  Yong Qiao ,  Hongfei Cheng ,  Xinyin Wu

IPC: H01L27/02 ,  G02F1/1362 ,  H01L27/12

Abstract: An electrostatic protection circuit, a display panel, and a display apparatus are disclosed. The electrostatic protection circuit comprises a switch control unit, a first electrostatic storage unit configured to store charges, and a second electrostatic storage unit configured to store charges, wherein the first electrostatic storage unit has a first terminal connected to a driving line and a second terminal connected to the switch control unit, and the second electrostatic storage unit has a first terminal connected to the switch control unit and a second terminal connected to a common electrode trace. With the first electrostatic storage unit connected to the driving line and the second electrostatic storage unit connected to the common electrode trace, the electrostatic protection circuit, the display panel, and the display apparatus according to the present disclosure can prevent leakage current on the driving line from flowing into the common electrode trace or prevent leakage current on the common electrode trace from flowing into the driving line after the switch control unit is switched off, which otherwise causes voltage fluctuation on the driving line or the common electrode trace thereby affecting the display quality.

公开(公告)号：US10672352B2

公开(公告)日：2020-06-02

申请号：US15569310

申请日：2017-05-24

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xueguang Hao ,  Hongfei Cheng ,  Xinyin Wu

IPC: G09G3/36 ,  H01L29/786 ,  H01L27/12 ,  G02F1/1335 ,  G02F1/1343 ,  G02F1/1368 ,  G09G3/20 ,  G02F1/1362

Abstract: An array substrate, a display device and a driving method for a display device are provided. In the array substrate and the display device, one sub-pixel includes a first sub-pixel portion and a second sub-pixel portion adjacent to each other. The first sub-pixel portion and the second sub-pixel portion are connected to different gate lines and are electrically connected to the same data line, so that, in the case of progressive scanning, the first sub-pixel portion and the second sub-pixel portion are applied with different data voltages.

公开(公告)号：US10564493B2

公开(公告)日：2020-02-18

申请号：US15541572

申请日：2016-10-21

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xueguang Hao ,  Yongda Ma ,  Xinyin Wu ,  Yong Qiao

IPC: G02F1/1362 ,  H01L27/02 ,  H01L27/12 ,  H01L29/786 ,  G09G3/36

Abstract: A discharge circuit, an array substrate, a liquid crystal display panel and a display device are provided. The discharge circuit, including a discharge transistor, a signal control end and a low voltage power source end, a gate electrode of the discharge transistor is connected to the signal control end, a first electrode of the discharge transistor is electrically connected to a signal line, and a second electrode of the discharge transistor is electrically connected to the low voltage power source end; the discharge transistor is configured to release charges on the signal line to the low voltage power source end under an action of a control signal output by the signal control end.

公开(公告)号：US10541256B2

公开(公告)日：2020-01-21

申请号：US15743530

申请日：2017-07-14

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jianbo Xian ,  Xueguang Hao ,  Hongfei Cheng ,  Yongda Ma

IPC: H01L27/12 ,  G02F1/1362

Abstract: An embodiment of the present disclosure relates to an array substrate, which comprises data lines and gate lines arranged on the array substrate having a pixel region and a peripheral region surrounding the pixel region, and at least two repair lines arranged on the peripheral region of the array substrate. The at least two repair lines intersect with one of the data lines and the gate lines. Each of the repair lines has at least one repair voltage lead. The array substrate according to the present disclosure can increase the number of data lines or gate lines that can be repaired, improve a utilization ratio of the repair lines, and can be used for repairing a display panel with large area.

公开(公告)号：US10209596B2

公开(公告)日：2019-02-19

申请号：US15531814

申请日：2016-09-05

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xueguang Hao ,  Jianbo Xian ,  Pan Li ,  Xinyin Wu

IPC: H01L27/12 ,  G02F1/1368 ,  G02F1/1362 ,  H01L29/423 ,  H01L29/786 ,  H01L29/08 ,  H01L29/417 ,  G02F1/136

Abstract: A pixel structure, an array substrate and a display device is provided. The pixel structure includes a base substrate, and a gate layer and a source/drain layer arranged on the base substrate. An overlapping region is present between the gate layer and the source/drain layer, and the gate layer and/or the source/drain layer comprises a hollow structure located in the overlapping region.