公开(公告)号：US20230042951A1

公开(公告)日：2023-02-09

申请号：US17874653

申请日：2022-07-27

Applicant: BOE Technology Group Co., Ltd.

Inventor： Hongda Sun ,  Youngsuk Song ,  Zhen Song ,  Guoying Wang

IPC: H01L27/32 ,  H01L51/52

Abstract: The present disclosure is related to an array substrate. The array substrate may include a base substrate and a pixel defining layer on the base substrate. The pixel defining layer may include a plurality of thickness thinning regions. The thickness thinning regions may have a smaller height than other areas of the pixel define layer on the base substrate. The plurality of the thickness thinning regions may be configured to guide flow of fillers to form an encapsulating layer on the pixel defining layer.

公开(公告)号：US11424303B2

公开(公告)日：2022-08-23

申请号：US16082396

申请日：2018-03-19

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Hongda Sun ,  Youngsuk Song ,  Zhen Song ,  Guoying Wang

IPC: H01L27/32 ,  H01L27/15 ,  H01L51/50 ,  H01L51/52 ,  G02F1/13 ,  G02F1/1335 ,  G02F1/1339 ,  G02F1/1362 ,  H01L51/44

Abstract: An array substrate may include a base substrate and a pixel defining layer on the base substrate. The pixel defining layer may include a plurality of thickness thinning regions. The thickness thinning regions may have a smaller height than other areas of the pixel defining layer on the base substrate. The plurality of the thickness thinning regions may be configured to guide flow of fillers to form an encapsulating layer on the pixel defining layer.

公开(公告)号：US11342396B2

公开(公告)日：2022-05-24

申请号：US16330533

申请日：2018-02-09

Applicant: BOE Technology Group Co., Ltd.

Inventor： Guoying Wang ,  Zhen Song

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

Abstract: The present application discloses an organic light emitting diode display panel having a plurality of subpixels. The organic light emitting diode display panel includes an array substrate; and a counter substrate facing the array substrate. The counter substrate includes a plurality of organic light emitting diodes. The array substrate includes a first base substrate and a plurality of thin film transistors on the first base substrate for driving light emission of the plurality of organic light emitting diodes in the counter substrate.

公开(公告)号：US11315963B2

公开(公告)日：2022-04-26

申请号：US16915142

申请日：2020-06-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhen Song ,  Guoying Wang

IPC: H01L21/00 ,  H01L27/00 ,  H01L27/12 ,  H01L21/441

Abstract: The present disclosure provides a display substrate, a method for preparing the same, and a display device. The method for preparing the display substrate includes a step of preparing a pixel driving circuit on a substrate, the step specifically includes: preparing a first active layer of an oxide transistor on the substrate; preparing a barrier layer on a surface of the first active layer away from the substrate, an orthogonal projection of the barrier layer on the substrate covering an orthogonal projection of the first active layer on the substrate; preparing a low-temperature polysilicon transistor is on the substrate; and preparing a first gate insulating layer, a first gate electrode, a first input electrode, and a first output electrode of the oxide transistor on the substrate.

公开(公告)号：US11296164B2

公开(公告)日：2022-04-05

申请号：US16344011

申请日：2018-05-18

Applicant: BOE Technology Group Co., Ltd.

Inventor： Zhen Song ,  Guoying Wang

IPC: H01L27/32 ,  H01L25/00 ,  H01L51/52

Abstract: The present application provides an organic light emitting diode display panel having a plurality of subpixels. The organic light emitting diode display panel includes an array substrate; and a counter substrate facing the array substrate. The counter substrate includes a plurality of organic light emitting diodes. The array substrate includes a first base substrate; a plurality of thin film transistors on the first base substrate for driving light emission of the plurality of organic light emitting diodes in the counter substrate; and a first electrode layer. The first electrode layer electrically connects the plurality of organic light emitting diodes to the plurality of thin film transistors, respectively.

公开(公告)号：US20210376030A1

公开(公告)日：2021-12-02

申请号：US16333034

申请日：2018-05-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhen Song ,  Guoying Wang

IPC: H01L27/32 ,  H01L51/56

Abstract: The present disclosure is related to an organic light-emitting diode apparatus. The organic light-emitting diode apparatus may include a substrate and a plurality of pixels on a first side of the substrate. Each of the plurality of pixels may include a display region and a non-display region. The non-display region may be provided with a control circuit and a first color film, and the first color film may be between the control circuit and the substrate.

公开(公告)号：US20210335238A1

公开(公告)日：2021-10-28

申请号：US16609246

申请日：2019-02-28

Applicant: BOE Technology Group Co., Ltd.

Inventor： Zhen Song ,  Guoying Wang

IPC: G09G3/3233 ,  H01L27/32 ,  H01L51/56

Abstract: A pixel unit, a compensation method of the pixel unit, a display device and a manufacturing method of the display device are disclosed. The pixel unit includes a light-emitting circuit configured to emit light under control of an external control circuit, a photosensitive element configured to sense a light intensity of light emitted by the light-emitting circuit and to output a sensed light intensity signal by a sensing output terminal, and a switch circuit configured to control an ON/OFF state between the sensing output terminal and the external control circuit.

公开(公告)号：US11094721B2

公开(公告)日：2021-08-17

申请号：US16399589

申请日：2019-04-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhen Song ,  Guoying Wang

IPC: H01L27/12 ,  H01L27/28 ,  H01L29/417 ,  H01L29/45 ,  H01L29/49 ,  H01L29/786 ,  H01L51/05 ,  H01L51/10 ,  H01L27/32

Abstract: The present disclosure provides a method for manufacturing an array substrate, an array substrate, and a display device. The method for manufacturing the array substrate includes: forming a light-shielding layer and a buffer layer in sequence on a base substrate; forming an active layer on the buffer layer, and forming a first via hole in the active layer; forming an interlayer dielectric layer on the active layer; forming a second via hole in the interlayer dielectric layer at a position corresponding to the first via hole and a third via hole in the buffer layer at a position corresponding to the first via hole by a single patterning process; forming a source/drain electrode layer on the interlayer dielectric layer, in which the source/drain electrode layer is electrically connected to the light-shielding layer through the second via hole, the first via hole and the third via hole in sequence.

公开(公告)号：US11088174B2

公开(公告)日：2021-08-10

申请号：US16618935

申请日：2019-03-14

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Guoying Wang ,  Zhen Song

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

Abstract: A display substrate, a manufacturing method thereof and a display device are provided. The method of manufacturing a display substrate includes manufacturing a plurality of gate insulation layers having different thicknesses on a base substrate in one patterning process.

公开(公告)号：US20210225964A1

公开(公告)日：2021-07-22

申请号：US16082396

申请日：2018-03-19

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Hongda Sun ,  Youngsuk Song ,  Zhen Song ,  Guoying Wang

IPC: H01L27/32 ,  H01L51/52

Abstract: It is related to an array substrate (1). The array substrate (1) may include a base substrate (10) and a pixel define layer (30) on the base substrate (1). The pixel define layer (30) may include a plurality of thickness thinning regions (312). The thickness thinning regions (312) may have a smaller height than other areas of the pixel define layer (30) on the base substrate (1). The plurality of the thickness thinning regions (312) may be configured to guide flow of fillers to form an encapsulating layer (40) on the pixel define layer (30).