公开(公告)号：US20240250178A1

公开(公告)日：2024-07-25

申请号：US18017649

申请日：2022-02-17

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jiayu HE ,  Kun ZHAO ,  Yan QU ,  Liping LEI ,  Ce NING ,  Zhengliang LI ,  Hehe HU

IPC: H01L29/786 ,  H01L27/12

CPC classification number: H01L29/7869 ,  H01L27/1225

Abstract: The present disclosure provides a metal oxide thin film transistor, an array substrate and a display device. A metal oxide thin film transistor in the present disclosure includes: a substrate, a first metal oxide semiconductor layer on the substrate, and a second metal oxide semiconductor layer on a side of the first metal oxide semiconductor layer away from the substrate; a carrier mobility of the first metal oxide semiconductor layer is higher than that of the second metal oxide semiconductor layer; a material of the first metal oxide semiconductor layer includes: a first metal oxide doped with a rear earth element; a difference between an electronegativity of the rare earth element and an electronegativity of oxygen element is greater than or equal to a difference between an electronegativity of a metal element in the first metal oxide and the electronegativity of oxygen element.

公开(公告)号：US20230163143A1

公开(公告)日：2023-05-25

申请号：US17919547

申请日：2021-11-17

Applicant: BOE Technology Group Co., Ltd.

Inventor： Lizhong WANG ,  Ce NING ,  Tianmin ZHOU ,  Wei YANG ,  Yunping DI ,  Rui HUANG ,  Binbin TONG ,  Liping LEI

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

CPC classification number: H01L27/1251 ,  H01L27/124 ,  G02F1/136295 ,  H01L27/1225 ,  G02F1/13685 ,  G02F1/136209

Abstract: An array substrate and a display panel, relating to the technical field of display. The array substrate includes a base substrate, and a thin film transistor group which is provided on one side of the base substrate and includes at least two thin film transistors, the thin film transistors being stacked in a direction perpendicular to the base substrate.

公开(公告)号：US20220269369A1

公开(公告)日：2022-08-25

申请号：US17632251

申请日：2021-03-10

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yingjie LI ,  Liping LEI

IPC: G06F3/041 ,  G06F3/0354 ,  G06F3/04883

Abstract: The present disclosure relates to a data processing method and apparatus, and an intelligent interactive device. The data processing method is performed by a display having a touch function. The method include: obtaining a writing track point position when a writing pen writes on the display, and an inclination angle of the writing pen relative to the display during writing; obtaining a touch track point position of a user on the display at a current moment obtaining a holding parameter for holding the writing pen; determining a shielding area for a touch at the current moment according to the holding parameter, the inclination angle and the writing track point position; and when touch track point position is located in the shielding area, not displaying a track of the touch track point position on the display.

公开(公告)号：US20250040247A1

公开(公告)日：2025-01-30

申请号：US18023966

申请日：2022-03-31

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Lizhong WANG ,  Ce NING ,  Tianmin ZHOU ,  Jinchao ZHANG ,  Liping LEI

IPC: H01L27/12 ,  G02F1/1333 ,  G02F1/1362 ,  G02F1/1368

Abstract: The present disclosure provides a display substrate, a method for manufacturing the display substrate and a display panel. The display substrate includes: a first semiconductor layer on a base substrate, where an active layer of the first thin film transistor is in the first semiconductor layer, and the active layer of the first thin film transistor at least comprises a channel region and a drain contact region; an interlayer insulation layer on a side of the first semiconductor layer away from the base substrate; and a first conductive layer on a side of the interlayer insulation layer away from the first semiconductor layer, wherein the pixel electrode is located in the first conductive layer, and the pixel electrode in the pixel unit is directly and electrically connected to the drain contact region of the active layer of the first thin film transistor through a through hole.

公开(公告)号：US20240266355A1

公开(公告)日：2024-08-08

申请号：US18021863

申请日：2022-03-23

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Lizhong WANG ,  Ce NING ,  Wei YANG ,  Tianmin ZHOU ,  Liping LEI

IPC: H01L27/12

CPC classification number: H01L27/1225 ,  H01L27/1244 ,  H01L27/1251

Abstract: A display substrate and a display device are provided. The display substrate includes: a base substrate, and a low temperature poly-silicon thin film transistor and a metal oxide thin film transistor on the base substrate; the low temperature poly-silicon thin film transistor includes: a low temperature poly-silicon semiconductor layer, a first gate insulating layer, a first gate electrode, a first interlayer insulating layer, a first source electrode, and a first drain electrode; the metal oxide thin film transistor includes: a metal oxide semiconductor layer, a second gate insulating layer, a second gate electrode, a second interlayer insulating layer, a passivation layer, a second source electrode, and a second drain electrode; the second source electrode is on a side of the metal oxide semiconductor layer close to the base substrate; and the second drain electrode is on a side of the metal oxide semiconductor layer away from the base substrate.

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：US20240241415A1

公开(公告)日：2024-07-18

申请号：US18574261

申请日：2023-01-10

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Lizhong WANG ,  Guangcai YUAN ,  Ce NING ,  Jianbo XIAN ,  Liping LEI ,  Chunping LONG ,  Yunping DI ,  Binbin TONG ,  Zhen ZHANG

IPC: G02F1/1368 ,  G02F1/1362

CPC classification number: G02F1/1368 ,  G02F1/136222 ,  G02F1/136286

Abstract: An array substrate and a display panel. The array substrate includes: a base substrate; a gate line and a data line on the base substrate, the gate line intersect the data line to define a pixel region; a metal oxide thin film transistor is arranged in the pixel region, the metal oxide thin film transistor includes a metal oxide semiconductor layer; the metal oxide semiconductor layer includes a first part and a second part; the first part and the data line are connected through a first via hole; the first part is in a stripe shape; a first included angle is between extension directions of the first part and the data line; an orthographic projection of the second part overlap with an orthographic projection of the gate line on the base substrate and do not overlap with an orthographic projection of the data line on the base substrate.

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：US20230351093A1

公开(公告)日：2023-11-02

申请号：US17914409

申请日：2021-08-12

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pengyu LIU ,  Yingjie LI ,  Liping LEI

IPC: G06F40/109 ,  G06F40/169 ,  G06F3/0482

CPC classification number: G06F40/109 ,  G06F40/169 ,  G06F3/0482

Abstract: An information display method and apparatus, and a computer-readable storage medium and an electronic device. The method includes: determining a target font category to be written in response to an operation of a user on a display device page; determining a target font conversion model corresponding to the target font category in a model library, wherein the model library including font conversion models corresponding to a plurality of font categories; in response to a writing operation of the user on the display device page, determining a standard word corresponding to the writing operation according to a writing trajectory of the writing operation, and generating an initial bitmap corresponding to the standard word; and converting the initial bitmap of the standard word into a target bitmap corresponding to the target font category using the target font conversion model and displaying the target bitmap on the display device page.