公开(公告)号：US11164918B2

公开(公告)日：2021-11-02

申请号：US16324493

申请日：2018-05-14

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Hongfei Cheng ,  Yuxin Zhang

IPC: H01L27/32 ,  H01L51/56 ,  H01L51/52

Abstract: An organic light emitting diode display panel is disclosed. The organic light emitting diode display panel includes a first substrate and a second substrate disposed opposite to each other. The first substrate includes a first lead connected to a cathode. The second substrate includes a second lead connected to a peripheral circuit. The first lead is connected to the second lead through a connection portion.

公开(公告)号：US11127803B2

公开(公告)日：2021-09-21

申请号：US16308657

申请日：2018-06-08

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Hongfei Cheng ,  Yuxin Zhang

IPC: H01L27/32

Abstract: A display panel includes an array substrate and a package substrate disposed opposite to each other, wherein, the array substrate includes a plurality of pixel units arranged in an array, and at least one of the pixel units includes a driving transistor. Further, the package substrate includes a first electrode and a second electrode disposed opposite to each other and an insulating layer located between the two electrodes. Wherein, the first electrode is electrically connected to the first terminal of the driving transistor, and the second electrode is electrically connected to the control terminal of the driving transistor.

公开(公告)号：US11099437B2

公开(公告)日：2021-08-24

申请号：US16339701

申请日：2018-04-28

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Hongfei Cheng ,  Pan Li

IPC: H01L27/12 ,  G02F1/1339 ,  G02F1/1362

Abstract: The present disclosure provides a display panel, a manufacturing method thereof, and a display device. The display panel includes an array substrate which includes a plurality of pixel regions defined by a plurality of gate lines intersected with a plurality of data lines. Each of the pixel regions includes an aperture region, a non-aperture region surrounding the aperture region, and a spacer disposed in the non-aperture region. Each of the pixel regions includes a padding structure provided in the non-aperture region. The padding structure includes a first pad and a second pad located in the non-aperture region. The first pad and the second pad are located at two sides of the spacer, respectively. The first pad and the second pad are located at two sides of the gate line, respectively. The padding structure is configured to prevent the spacer from moving into the aperture region.

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：US20210223605A1

公开(公告)日：2021-07-22

申请号：US16769929

申请日：2019-12-09

Applicant: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jianbo Xian ,  Hongfei Cheng ,  Yongda Ma ,  Yong Qiao ,  Xinyin Wu

IPC: G02F1/1333 ,  G02F1/1343 ,  G02F1/1362 ,  G02F1/1368

Abstract: The present disclosure relates to an array substrate. The array substrate may include a display region comprising a plurality of first pixel regions and a dummy region adjacent to the display region. The dummy region may include a plurality of second pixel regions. At least one of the plurality of first pixel regions may include a first electrode region containing a first electrode and a first open region, at least one of the plurality of second pixel regions may include a second electrode region containing a second electrode and a second open region, and an area of the second open region may be larger than an area of the first open region.

公开(公告)号：US10886343B2

公开(公告)日：2021-01-05

申请号：US16329401

申请日：2018-04-23

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yuxin Zhang ,  Hongfei Cheng

IPC: H01L27/32 ,  H01L51/56 ,  H01L51/52 ,  H01L51/00

Abstract: A pixel defining layer and a method for manufacturing the same, a display panel and a method for manufacturing the same, and a display device are provided. The pixel defining layer includes a plurality of pixel defining patterns. Each of the pixel defining patterns includes a first sub-defining pattern and a second sub-defining pattern, the second sub-defining pattern being embedded within the first sub-defining pattern, and an outer edge of the second sub-defining pattern is connected to an inner edge of the first sub-defining pattern, wherein a thickness of the first sub-defining pattern is greater than a thickness of the second sub-defining pattern, and a region surrounded by the second sub-defining pattern is a light emitting region of a light emitting layer.

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：US10678106B2

公开(公告)日：2020-06-09

申请号：US15535643

申请日：2017-01-17

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Hongfei Cheng

IPC: G02F1/1368 ,  H01L27/12 ,  G02F1/1362 ,  G02F1/1343

Abstract: An array substrate, a liquid crystal display panel and a display device are disclosed. The array substrate includes a first insulation layer disposed on a base substrate, a first conductive pattern disposed on the first insulation layer, a second insulation layer disposed on the first conductive pattern, a second conductive pattern disposed on the second insulation layer. The second conductive pattern is connected to the first conductive pattern through a second via hole penetrating the second insulation layer. The array substrate further includes a first via hole exposing the first insulation layer and penetrating the first conductive pattern. An orthogonal projection of the first via hole on the base substrate and an orthogonal projection of the second via hole on the base substrate at least partially overlap with each other, the second conductive pattern is connected to the first insulation layer through the first via hole.

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：US10665647B2

公开(公告)日：2020-05-26

申请号：US15973933

申请日：2018-05-08

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yuxin Zhang ,  Hongfei Cheng

IPC: H01L27/32 ,  H01L51/56 ,  H01L51/50 ,  H01L51/00

Abstract: An array substrate and a fabrication method thereof, and a display panel are provided. The array substrate includes: a base substrate; a first electrode layer and a first pixel defining layer, on the base substrate; a light emitting layer, on the first electrode layer; and a second pixel defining layer, on the first pixel defining layer and the light emitting layer, wherein, the second pixel defining layer overlaps with the light emitting layer in a direction perpendicular to the base substrate.