公开(公告)号：US20240250177A1

公开(公告)日：2024-07-25

申请号：US18014269

申请日：2022-03-31

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Dapeng XUE ,  Lizhong WANG ,  Shuilang DONG ,  Hehe HU ,  Nianqi YAO ,  Guangcai YUAN ,  Ce NING ,  Zhengliang LI ,  Dongfang WANG ,  Liping LEI ,  Chen XU ,  Jie HUANG

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

CPC classification number: H01L29/7869 ,  H01L27/1225 ,  H01L29/41733 ,  H01L29/78696

Abstract: A metal oxide thin film transistor is provided, which includes a metal oxide semiconductor layer, including a first semiconductor layer and a second semiconductor layer, the carrier mobility of the first semiconductor layer is higher than that of the second semiconductor layer; the metal oxide semiconductor layer includes a lower surface, an upper surface and a lateral surface, the source electrode is in contact with the lateral surface and the upper surface; the region where the lateral surface contacts the source electrode or the drain electrode includes a first contact region and a second contact region; which have the shape: a first angle between the lower surface of the metal oxide semiconductor layer and the lateral surface of the first contact region is larger than a second angle between the lower surface of the metal oxide semiconductor layer and the lateral surface of the second contact region.

公开(公告)号：US20240212639A1

公开(公告)日：2024-06-27

申请号：US17913798

申请日：2021-09-24

Applicant: BOE Technology Group Co., Ltd.

Inventor： Shuilang DONG ,  Ce NING ,  Guangcai YUAN ,  Hehe HU ,  Lizhong WANG ,  Nianqi YAO ,  Dapeng XUE ,  Liping LEI ,  Chen XU ,  Dongfang WANG ,  Zhengliang LI

IPC: G09G3/36

CPC classification number: G09G3/36 ,  G09G2310/0286 ,  G09G2310/061 ,  G09G2330/021

Abstract: Voltage providing unit, voltage providing method, display driving module and display device are provided. The voltage providing unit, applied to a display panel, is configured to provide a control voltage signal for a driving circuit, and the voltage providing unit includes a buck circuit and a first electrical level converting circuit. The buck circuit is configured to receive a first voltage signal and perform a buck operation on the first voltage signal to obtain a second voltage signal; and the first electrical level converting circuit is connected to the buck circuit, and is configured to receive an input control voltage, a third voltage signal and the second voltage signal, and to generate the control voltage signal in accordance with the input control voltage, the third voltage signal and the second voltage signal, a voltage value of the control voltage signal is less than a predetermined voltage value.

公开(公告)号：US20240172513A1

公开(公告)日：2024-05-23

申请号：US18428142

申请日：2024-01-31

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Hongli WANG ,  Chang LUO ,  Lei CHEN ,  Kening ZHENG ,  Chen XU

IPC: H10K59/35 ,  G09G3/20 ,  G09G3/3225 ,  H10K50/813 ,  H10K50/822 ,  H10K50/84 ,  H10K59/121 ,  H10K59/122 ,  H10K59/124 ,  H10K59/131 ,  H10K59/40

CPC classification number: H10K59/353 ,  G09G3/2003 ,  G09G3/3225 ,  H10K50/813 ,  H10K50/822 ,  H10K50/84 ,  H10K59/121 ,  H10K59/122 ,  H10K59/124 ,  H10K59/131 ,  H10K59/352 ,  H10K59/40 ,  G09G2300/0452

Abstract: A display panel and a display device are provided. The display panel includes a first color sub-pixels and a second color sub-pixel. The first color sub-pixel includes a first effective light emitting region, the second color sub-pixel includes a second effective light emitting region. The first color sub-pixel includes a first color light emitting layer, the second color sub-pixel includes a second color light emitting layer, for one second effective light emitting region, along the length direction, a difference between the maximum size of the second color light emitting layer and the maximum size of the second effective light emitting region is a first difference, and along the width direction, a difference between the maximum size of the second color light emitting layer and the maximum size of the second effective light emitting region is a second difference, and the first difference is less than the second difference.

公开(公告)号：US20230363223A1

公开(公告)日：2023-11-09

申请号：US17605664

申请日：2021-06-08

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

Inventor： Dacheng ZHANG ,  Chen XU

IPC: H10K59/131 ,  H10K59/121 ,  H10K59/38

CPC classification number: H10K59/1315 ,  H10K59/1213 ,  H10K59/1216 ,  H10K59/38 ,  H10K2102/351

Abstract: A display substrate and a display apparatus are provided. The display substrate includes a first conductive structure including a first surface and a third surface that are opposite and a second surface and a fourth surface that are opposite. The first surface and the second surface respectively have different angles with a plate surface of the base substrate. The first surface and the second surface are respectively provided with a first surface microstructure and a second surface microstructure; the first cross section has a first orthogonal projection on the third surface, and a length of the first orthogonal projection is less than a length of the first surface microstructure in the first cross section; the second cross section has a second orthogonal projection on the fourth surface, and a length of the second orthogonal projection is less than a length of the second surface microstructure in the second cross section.

公开(公告)号：US20230157056A1

公开(公告)日：2023-05-18

申请号：US18098210

申请日：2023-01-18

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xinwei GAO ,  Kaihong MA ,  Dacheng ZHANG ,  Lang LIU ,  Chen XU

IPC: H10K50/844 ,  H10K50/842 ,  H10K59/131 ,  H10K71/00

CPC classification number: H10K50/844 ,  H10K50/8426 ,  H10K59/131 ,  H10K71/00 ,  H10K59/1201

Abstract: A display panel and a manufacture method thereof, and a display apparatus are provided. The display panel has a display region and a border region that surrounds the display region and includes a peripheral circuit region and a peripheral region; the peripheral circuit region is between the display region and the peripheral region. At least a part of a barrier structure of the display panel is in the peripheral circuit region, and the barrier structure includes an organic barrier layer including an opening passing through the organic barrier layer and an inorganic barrier layer covering the organic barrier layer and filling the opening; an extension direction of the opening is same as that of an edge, close to the opening, of the display panel; the peripheral circuit is in the peripheral circuit region.

公开(公告)号：US20220319391A1

公开(公告)日：2022-10-06

申请号：US17807908

申请日：2022-06-21

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

Inventor： Jianbo XIAN ,  Chen XU ,  Xueguang HAO ,  Yong QIAO

IPC: G09G3/20

Abstract: A shift register unit, a circuit structure, a gate drive circuit, a drive circuit and a display device are provided. A shift register unit includes a substrate and an input circuit, a reset circuit, a first output circuit, a first output terminal, a first connection conductive portion connecting both the input circuit and the reset circuit, a second connection conductive portion connecting both the reset circuit and the first output circuit, and a third connection conductive portion connecting both the first output circuit and the first output terminal, all of which are on the substrate.

公开(公告)号：US20210407402A1

公开(公告)日：2021-12-30

申请号：US16477308

申请日：2019-01-10

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

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

IPC: G09G3/3233

Abstract: A display panel and a display device. The display panel includes a pixel circuit structure, a data line and a voltage signal line. The data line is connected to the pixel circuit structure to provide a data signal; the voltage signal line is connected to the pixel circuit structure to provide a voltage signal, the voltage signal is a constant voltage signal; the pixel circuit structure includes a first stabilization capacitor provided between the data line and the voltage signal line.

公开(公告)号：US20210358407A1

公开(公告)日：2021-11-18

申请号：US16480493

申请日：2019-01-11

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

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

IPC: G09G3/3233 ,  H01L27/32

Abstract: A display panel and a display device are provided. The display panel includes: a substrate, a plurality of pixel units, a functional signal line, and a first conductive structure. The substrate includes a display area and a peripheral area on at least one side of the display area, the plurality of pixel units are in the display area, each pixel unit includes a light-emitting unit and a pixel circuit structure for providing a driving current to the light-emitting unit, and the light-emitting unit is an electroluminescent element. The functional signal line is connected with the pixel circuit structure of each pixel unit and provides a common voltage signal for the pixel circuit structure. The first conductive structure is connected in parallel with the functional signal line and is located at a layer different from that of the functional signal line.

公开(公告)号：US20210320130A1

公开(公告)日：2021-10-14

申请号：US17274213

申请日：2020-06-27

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

Inventor： Jianbo XIAN ,  Hongfei CHENG ,  Yongda MA ,  Chen XU ,  Xueguang HAO

IPC: H01L27/12 ,  G06K9/00

Abstract: A display substrate has an active area which includes a photosensitive region with a light-transmitting channel. The display substrate includes a base, a pixel circuit layer, a first insulating layer and a conductive light-shielding layer. The pixel circuit layer includes pixel circuits and at least one pixel circuit includes a first thin film transistor and a second thin film transistor. The first insulating layer has a first via hole. The conductive light-shielding layer includes a conductive light-shielding pattern that has a first light-transmitting hole. Orthogonal projections of the first light-transmitting hole and of a gap region between the first thin film transistor and the second thin film transistor have a first overlapping region, which the light-transmitting channel penetrates. The conductive light-shielding pattern is coupled with a source electrode or a drain electrode of the first thin film transistor through the first via hole.

公开(公告)号：US20210151605A1

公开(公告)日：2021-05-20

申请号：US16642638

申请日：2019-03-04

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhi WANG ,  Guangcai YUAN ,  Feng GUAN ,  Chen XU ,  Xueyong WANG ,  Jianhua DU ,  Chao LI ,  Lei CHEN

IPC: H01L29/786 ,  H01L29/66

Abstract: The present disclosure relates to a thin film transistor and a manufacturing method thereof. The thin film transistor includes a substrate, a first semiconductor layer, a gate dielectric layer, and a gate electrode sequentially stacked on the substrate, the first semiconductor layer has a first portion located in a channel region of the thin film transistor and a second portion in source/drain regions of the thin film transistor and located on both sides of the first portion, the second portion and first sub-portions of the first portion adjacent to the second portion include an amorphous semiconductor material, a second sub-portion of the first portion between the first sub-portions includes a polycrystalline semiconductor material, and a second semiconductor layer located in the source/drain regions and in contact with the second portion, wherein a conductivity of the second semiconductor layer is higher than a conductivity of the amorphous semiconductor material.