公开(公告)号：US20250031447A1

公开(公告)日：2025-01-23

申请号：US18279205

申请日：2022-10-31

Applicant: BOE Technology Group Co., Ltd.

Inventor： Zhengliang LI ,  Guangcai YUAN ,  Ce NING ,  Zhonghao HUANG ,  Zhixiang ZOU ,  Zhangtao WANG ,  Jie HUANG ,  Nianqi YAO ,  Jiayu HE ,  Hehe HU ,  Feifei LI ,  Kun ZHAO ,  Chen XU ,  Hui GUO

IPC: H01L27/12 ,  H01L23/00

Abstract: A display substrate, including: a base substrate; and a metal conductive layer, located at a side of the base substrate, and including a core conductive layer and a functional conductive layer laminated along a direction away from the base substrate; a material of the core conductive layer includes a conductive metal material; a material of the functional conductive layer includes a first diffusion barrier metal material and a first adhesion force enhancing metal material, wherein the first diffusion barrier metal material is configured to block diffusion of the conductive metal material, and the first adhesion force enhancing metal material is configured to enhance an adhesion force between the functional conductive layer and a photoresist used in a patterning process of the functional conductive layer; a surface energy of any of first adhesion force enhancing metal materials is less than or equal to 325 mJ/m2.

公开(公告)号：US20240334762A1

公开(公告)日：2024-10-03

申请号：US18741629

申请日：2024-06-12

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jiayu HE ,  Ce NING ,  Zhengliang LI ,  Hehe HU ,  Jie HUANG ,  Nianqi YAO ,  Xue LIU

IPC: H10K59/13 ,  H10K59/12 ,  H10K59/124 ,  H10K59/126 ,  H10K59/38 ,  H10K71/00

CPC classification number: H10K59/13 ,  H10K59/124 ,  H10K59/126 ,  H10K59/38 ,  H10K71/00 ,  H10K59/1201

Abstract: An organic electroluminescent display substrate is provided, which includes a base substrate, and a light-emitting unit and a light-sensing unit arranged on the base substrate, wherein the light-sensing unit is arranged on a light-emitting side of the light-emitting unit, and configured for sensing an intensity of light emitted from the light-emitting unit; a first planarization layer is arranged between the light-sensing unit and the light-emitting unit; the light-sensing unit comprises a first thin film transistor and a photosensitive sensor arranged sequentially in that order in a direction away from the base substrate, and a second planarization layer is arranged between the photosensitive sensor and the first thin film transistor. A display panel, a display device and a method for manufacturing the organic electroluminescent display substrate are further provided.

公开(公告)号：US20240274674A1

公开(公告)日：2024-08-15

申请号：US18021778

申请日：2022-03-31

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jie HUANG ,  Ce NING ,  Zhengliang LI ,  Hehe HU ,  Niangi YAO ,  Kun ZHAO ,  Feifei LI

IPC: H01L29/417 ,  H01L29/423

CPC classification number: H01L29/41733 ,  H01L29/42384

Abstract: Provided are a thin film transistor, a display substrate and a display device, the thin film transistor includes: a gate on a base substrate; an active layer between the gate and the base substrate, the active layer includes a source contact portion, a drain contact portion and a middle portion therebetween, orthographic projections of the middle portion and the gate on the base substrate overlaps to form a first overlapping region, a material of the middle portion includes a metal oxide containing a doped element, a dissociation energy of the doped element from an oxygen element is greater than 500 Kj/mol; a source connected to the source contact portion and a drain connected to the drain contact portion, a ratio of an area of the orthographic projection of the gate on the base substrate to an area of the first overlapping region is less than or equal to 3.

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：US20240222445A1

公开(公告)日：2024-07-04

申请号：US17996260

申请日：2021-11-03

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jie HUANG ,  Ce NING ,  Zhengliang LI ,  Hehe HU ,  Nianqi YAO ,  Kun ZHAO ,  Tianmin ZHOU ,  Liping LEI

IPC: H01L29/417 ,  H01L29/423 ,  H01L29/66 ,  H01L29/786

CPC classification number: H01L29/41733 ,  H01L29/42384 ,  H01L29/66742 ,  H01L29/78645

Abstract: A thin film transistor, an array substrate and a manufacturing method of the thin film transistor are provided, the thin film transistor includes a base substrate; and a first active layer, a first insulating layer and a second active layer, which are sequentially arranged on the base substrate, the first active layer is in contact with the second active layer through a first via hole structure located in the first insulating layer, and non-contacted portions of the first active layer and the second active layer are separated by the first insulating layer, the thin film transistor has a plurality of active layer structures, so that the charges are gathered on two surfaces of each of the active layers, and the number of the charges gathered on the surfaces of the active layers is multiplied, and the open state current of the thin film transistor is multiplied.

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：US20230060645A1

公开(公告)日：2023-03-02

申请号：US17800389

申请日：2021-05-27

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jiayu HE ,  Ce NING ,  Zhengliang LI ,  Hehe HU ,  Jie HUANG ,  Kun ZHAO ,  Nianqi YAO

IPC: H01L29/786 ,  H01L27/12 ,  H01L29/24 ,  H01L29/49 ,  H01L21/02 ,  H01L21/443 ,  H01L29/66

Abstract: A metal oxide thin film transistor is provided and includes a gate, a gate insulating layer, an active layer and a source-drain metal layer stacked on a side of a backplane, the active layer and the gate are provided on both sides of the gate insulating layer, the source-drain metal layer is provided on a side of the active layer away from the backplane, the active layer includes: a first metal oxide semiconductor layer provided on a side of the gate insulating layer away from the gate; a second metal oxide semiconductor layer provided on a surface of the first metal oxide semiconductor layer away from the gate.

公开(公告)号：US20220352283A1

公开(公告)日：2022-11-03

申请号：US17429935

申请日：2020-11-13

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jiayu HE ,  Ce NING ,  Zhengliang LI ,  Hehe HU ,  Jie HUANG ,  Nianqi YAO ,  Xue LIU

IPC: H01L27/32 ,  H01L51/56

Abstract: An organic electroluminescent display substrate is provided, which includes a base substrate, and a light-emitting unit and a light-sensing unit arranged on the base substrate, wherein the light-sensing unit is arranged on a light-emitting side of the light-emitting unit, and configured for sensing an intensity of light emitted from the light-emitting unit; a first planarization layer is arranged between the light-sensing unit and the light-emitting unit; the light-sensing unit comprises a first thin film transistor and a photosensitive sensor arranged sequentially in that order in a direction away from the base substrate, and a second planarization layer is arranged between the photosensitive sensor and the first thin film transistor. A display panel, a display device and a method for manufacturing the organic electroluminescent display substrate are further provided.

公开(公告)号：US20220278162A1

公开(公告)日：2022-09-01

申请号：US17410677

申请日：2021-08-24

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jiayu HE ,  Ce NING ,  Zhengliang LI ,  Hehe HU ,  Jie HUANG ,  Nianqi YAO ,  Kun ZHAO

IPC: H01L27/146 ,  H01L27/12

Abstract: An array substrate includes a substrate, the array substrate includes a display region and a detection region. And the detection region includes a thin film transistor located on the substrate and a photodiode located on one side of the thin film transistor away from the substrate, and the array substrate further includes a first inorganic protective layer, an organic protective layer and a second inorganic protective layer located between the thin film transistor and the photodiode. And the first inorganic protective layer, the organic protective layer and the second inorganic protective layer are stacked in sequence in a direction away from the substrate, and an orthographic projection of the photodiode on the substrate is within the range of the orthographic projection of the organic protective layer on the substrate.

公开(公告)号：US20220223773A1

公开(公告)日：2022-07-14

申请号：US17465689

申请日：2021-09-02

Applicant: BOE Technology Group Co., Ltd.

Inventor： Song LIU ,  Zhengliang LI ,  Kun ZHAO ,  Feifei LI ,  Qi QI

IPC: H01L33/62 ,  H01L25/075 ,  H01L33/56

Abstract: Disclosed are a light-emitting substrate and a display device. In the light-emitting substrate, a first pad of a light-emitting area includes a first metal layer located above a base substrate and a second metal layer located on a side, facing away from the base substrate, of the first metal layer. A material of the second metal layer includes copper-nickel-titanium alloy, and a quantity of nickel atoms and/or titanium atoms contained per unit area in a cross section, farther from the base substrate, of the second metal layer is greater than a quantity of nickel atoms and/or titanium atoms contained per unit area in another cross section, closer to the base substrate, of the second metal layer.