公开(公告)号：US20220115461A1

公开(公告)日：2022-04-14

申请号：US17265815

申请日：2020-07-15

Applicant: Beijing BOE Technology Development Co., Ltd. ,  BOE Technology Group Co., Ltd.

Inventor： Chen XU ,  Xueguang HAO ,  Yong QIAO ,  Xinyin WU

IPC: H01L27/32

Abstract: There is provided a display substrate and a display device. The display substrate includes a first metal layer, a first insulating layer, a metal oxide layer, a second insulating layer and a second metal layer which are stacked; wherein the metal oxide layer comprises a first pattern, a second pattern and a capacitance pattern, the first metal layer comprises a first electrode plate, there is at least a first overlapping region between the first electrode plate and the capacitance pattern to form a first storage capacitor, the second metal layer comprises a second electrode plate, there is at least a second overlapping region between the second electrode plate on the base substrate and the capacitance pattern to form a second storage capacitor, and the first electrode plate and the second electrode plate have same potential.

公开(公告)号：US20220069052A1

公开(公告)日：2022-03-03

申请号：US17363216

申请日：2021-06-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Lang LIU ,  Jingquan WANG ,  Chen XU

IPC: H01L27/32 ,  G06F3/041 ,  H01L51/00 ,  H01L51/52

Abstract: A display panel and a display device are provided. The display panel includes a base substrate, a plurality of pixel drive circuit units, n first signal lines, a touch layer, and a light emitting element. A distance between first extending portions of two adjacent first signal lines is greater than a distance between first bending portions of the two adjacent first signal lines. An orthogonal projection overlap area between the first connecting portion and first extending portions of the n first signal lines is S1, and an orthogonal projection overlap area between the first connecting portion and first bending portions of the n first signal lines is S2. S1≥S2. A length of a first extending portion of at least one first signal line is L1, a distance between the first extending portion of at least one first signal line and the second electrode is H1, and H1≥(S1/n)/L1.

公开(公告)号：US20220068212A1

公开(公告)日：2022-03-03

申请号：US17363639

申请日：2021-06-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xing YAO ,  Chen XU ,  Jingquan WANG ,  Xinyin WU

IPC: G09G3/3266 ,  H01L27/32

Abstract: A display substrate is provided. The display substrate includes a base substrate including a display region and a peripheral region, and a gate scan driving circuit, a light-emitting control scan driving circuit, and a first power line, the gate scan driving circuit includes a first stabilizing capacitor, a first electrode plate of the first stabilizing capacitor is electrically connected to the output terminal of the gate scan driving circuit; and the light-emitting control scan driving circuit includes a second stabilizing capacitor, a first electrode plate of the second stabilizing capacitor is electrically connected to the output terminal, a second electrode plate of the second stabilizing capacitor is electrically connected to the first power line, the second electrode plate of the second stabilizing capacitor includes a first part and a second part, and an organic insulation layer is provided between the first part and the second part.

公开(公告)号：US20210193025A1

公开(公告)日：2021-06-24

申请号：US16909204

申请日：2020-06-23

Applicant: Beijing BOE Technology Development Co., Ltd. ,  BOE Technology Group Co., Ltd.

Inventor： Chen XU ,  Xueguang HAO ,  Yong QIAO ,  Xinyin WU

IPC: G09G3/32

Abstract: Disclosed is a display device, including a plurality of pixel circuits located in a display area, and a light-emitting driving circuit located in a non-display area and electrically connected to the plurality of pixel circuits; the light-emitting driving circuit includes a plurality of cascaded shift registers; except a last stage of shift register, a signal output terminal of each stage of remaining shift registers is electrically connected to an input signal terminal of a next stage of shift register adjacent thereto; each of the plurality of cascaded shift registers includes: an input circuit, a first node potential control circuit, a second node potential control circuit, a first isolation circuit, a second isolation circuit, a first output control circuit, a second output control circuit, a capacitor circuit, a first output circuit and a second output circuit.

公开(公告)号：US20240215371A1

公开(公告)日：2024-06-27

申请号：US18596678

申请日：2024-03-06

Applicant: Beijing BOE Technology Development Co., Ltd. ,  BOE Technology Group Co., Ltd.

Inventor： Chen XU ,  Xueguang HAO ,  Yong QIAO ,  Xinyin WU

IPC: H10K59/35 ,  H10K59/121 ,  H10K59/131

CPC classification number: H10K59/353 ,  H10K59/1213 ,  H10K59/1216 ,  H10K59/131

Abstract: There is provided a display substrate and a display device. The display substrate includes a first metal layer, a first insulating layer, a metal oxide layer, a second insulating layer and a second metal layer which are stacked; wherein the metal oxide layer comprises a first pattern, a second pattern and a capacitance pattern, the first metal layer comprises a first electrode plate, there is at least a first overlapping region between the first electrode plate and the capacitance pattern to form a first storage capacitor, the second metal layer comprises a second electrode plate, there is at least a second overlapping region between the second electrode plate on the base substrate and the capacitance pattern to form a second storage capacitor, and the first electrode plate and the second electrode plate have same potential.

公开(公告)号：US20240138189A1

公开(公告)日：2024-04-25

申请号：US18476687

申请日：2023-09-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Dachao LI ,  Shengji YANG ,  Chen XU

IPC: H10K59/121 ,  G09G3/3233 ,  H10K59/131 ,  H10K71/00

CPC classification number: H10K59/1213 ,  G09G3/3233 ,  H10K59/131 ,  H10K71/00 ,  G09G2300/0426 ,  G09G2330/021 ,  H10K59/1201

Abstract: A display device and a manufacturing method thereof are disclosed. The display device includes a base substrate and at least one pixel circuit provided on the base substrate, and the pixel circuit includes a driving transistor, a first transistor, and a second transistor; the driving transistor includes a control electrode, a first electrode, and a second electrode; the first transistor includes a first active region, the second transistor includes a second active region, the driving transistor includes a fourth active region, at least one of a doping concentration of the first active region and a doping concentration of the second active region is greater than a doping concentration of the fourth active region.

公开(公告)号：US20230252945A1

公开(公告)日：2023-08-10

申请号：US18302056

申请日：2023-04-18

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xing YAO ,  Chen XU ,  Jingquan WANG ,  Xinyin WU

IPC: G09G3/3266 ,  H10K59/126 ,  H10K59/131

CPC classification number: G09G3/3266 ,  H10K59/126 ,  H10K59/131 ,  G09G2300/0426 ,  G09G2310/0286

Abstract: A display substrate is provided. The display substrate includes a base substrate including a display region and a peripheral region, and a first scan driving circuit, a second scan driving circuit and a first power line arranged in sequence, and a first shielding layer and a second shielding layer sequentially arranged on a side of the second scan driving circuit away from the base substrate; the first shielding layer covers at least one transistor in the second scan driving circuit, and the second shielding layer covers at least one transistor of transistors in the second scan driving circuit except the at least one transistor covered by the first shielding layer; and the second shielding layer is also on a side of the first scan driving circuit away from the base substrate, and the second shielding layer covers at least one transistor in the first scan driving circuit.

公开(公告)号：US20220384550A1

公开(公告)日：2022-12-01

申请号：US16957605

申请日：2019-08-23

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Dachao LI ,  Shengji YANG ,  Chen XU

IPC: H01L27/32

Abstract: A display device and a manufacturing method thereof are disclosed. The display device includes a base substrate and at least one pixel circuit provided on the base substrate. The pixel circuit includes a driving transistor, a first transistor, and a second transistor; the driving transistor includes a control electrode, a first electrode, and a second electrode; a direction from a first electrode of the first transistor to a second electrode of the first transistor is a first direction, a direction from a first electrode of the second transistor to a second electrode of the second transistor is a second direction, a direction from the first electrode of the driving transistor to the second electrode of the driving transistor is a fourth direction, and at least one of the first direction and the second direction intersects with the fourth direction.

公开(公告)号：US20220328608A1

公开(公告)日：2022-10-13

申请号：US17852485

申请日：2022-06-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Dachao LI ,  Shengji YANG ,  Chen XU

IPC: H01L27/32

Abstract: A display device and a manufacturing method thereof are disclosed. The display device includes a base substrate and at least one pixel circuit provided on the base substrate. The pixel circuit includes a driving transistor, a first transistor, and a second transistor; the base substrate includes a semiconductor body that can be doped, and a first conductive layer and a second conductive layer that are on the semiconductor body; the first transistor includes a first doped region in contact with the first electrode of the first transistor, and a second doped region in contact with a second electrode of the first transistor, and the first doped region of the first transistor and the second doped region of the first transistor are spaced apart from each other, have a same doping type, and are both in the semiconductor body.

公开(公告)号：US20220013612A1

公开(公告)日：2022-01-13

申请号：US17281266

申请日：2020-08-19

Applicant: BOE Technology Group Co., Ltd.

Inventor： Pan XU ,  Yongqian LI ,  Guoying WANG ,  Dacheng ZHANG ,  Chen XU ,  Lang LIU ,  Xing ZHANG ,  Ling WANG ,  Yicheng LIN ,  Ying HAN

IPC: H01L27/32

Abstract: Provided are a display substrate, a manufacturing method thereof and a display apparatus. The display substrate includes multiple sub-pixels, wherein each sub-pixel includes a light-emitting region and a non-light-emitting region, and each sub-pixel is provided with a drive circuit; the drive circuit includes a storage capacitor and multiple transistors; for each sub-pixel, the multiple transistors are in the non-light-emitting region, the storage capacitor is a transparent capacitor, and an orthographic projection of the storage capacitor on a base substrate coincides with the light-emitting region. A first electrode of the storage capacitor is disposed in a same layer as an active layer of the multiple transistors, but in a different layer from source and drain electrodes of the multiple transistors, and a second electrode of the storage capacitor is on a side of the first electrode close to the base substrate.