公开(公告)号：US11810922B2

公开(公告)日：2023-11-07

申请号：US17228676

申请日：2021-04-12

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jianbo Xian ,  Hongfei Cheng ,  Yong Qiao ,  Yongda Ma

IPC: H01L27/12 ,  H01L29/786 ,  H01L29/417 ,  H01L29/423 ,  G02F1/1368

CPC classification number: H01L27/124 ,  G02F1/1368 ,  H01L29/41733 ,  H01L29/42384 ,  H01L29/786

Abstract: An array substrate and a display device are disclosed. The array substrate includes: a base substrate; and a first electrically conductive layer and a second electrically conductive layer on the base substrate, wherein the base substrate is provided with at least one thin film transistor, each of the at least one thin film transistor includes a gate electrode disposed in the first electrically conductive layer, and a source electrode and a drain electrode disposed in the second electrically conductive layer, and wherein the drain electrode has a comb shape and includes a plurality of drain electrode sub-portions extending parallel to one another, and the source electrode has a comb shape and includes a plurality of source electrode sub-portions extending parallel to one another, and wherein at least one of the drain electrode and the source electrode includes an electrode body and an extending portion, the electrode body overlapping with the gate electrode, and the extending portion overlapping with a portion of the first electrically conductive layer other than the gate electrode.

公开(公告)号：US11594191B2

公开(公告)日：2023-02-28

申请号：US17556767

申请日：2021-12-20

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

Inventor： Xueguang Hao ,  Yongda Ma ,  Hongfei Cheng

IPC: G09G3/36

Abstract: The present disclosure relates to the field of display technologies, and provides a gamma circuit. The gamma circuit includes: a plurality of positive gamma voltage output terminals, a plurality of negative gamma voltage output terminals in one-to-one correspondence with the plurality of positive gamma voltage output terminals, and a plurality of voltage conversion circuits. Each of the voltage conversion circuits is configured to output a negative gamma reference voltage to the negative gamma voltage output terminal based on a positive gamma reference voltage output by the positive gamma voltage output terminal corresponding to the negative gamma voltage output terminal.

公开(公告)号：US20220350462A1

公开(公告)日：2022-11-03

申请号：US17428412

申请日：2020-10-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Liping Lei ,  Changcheng Liu ,  Yangyang Zhang ,  Honglei Zhang ,  Yongda Ma

IPC: G06F3/04817 ,  G06F3/04845 ,  G06F3/0482 ,  G06F3/0488

Abstract: The present disclosure relates to a human-computer interaction method, apparatus, and system, and a computer-readable storage medium. The human-computer interaction method includes: displaying an eraser icon on a touch display screen according to a first touch operation of a user; adjusting at least one of a direction, a size or a shape of the eraser icon according to a second touch operation of the user, wherein the second touch operation includes at least one of a rotation operation or a deformation operation on the eraser icon; and performing an erase operation on an area to be erased according to the adjusted eraser icon.

公开(公告)号：US11454851B2

公开(公告)日：2022-09-27

申请号：US16336633

申请日：2018-06-20

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Chunping Long ,  Yongda Ma

IPC: G02F1/1345 ,  G02F1/1362 ,  H01L27/12

Abstract: An array substrate, a display panel and a display device are disclosed. The array substrate includes a display region and a non-display region around the display region, and further includes: a first leading wire extending from the non-display region to the display region and a second leading wire extending from the non-display region to the display region. The first leading wire is between a first signal line and a first fan-out line and electrically connects the first signal line and the first fan-out line, and the second leading wire is between a second signal line and a second fan-out line and electrically connects the second signal line and the second fan-out line. The first leading wire and the second leading wire are in different layers.

公开(公告)号：US11330727B2

公开(公告)日：2022-05-10

申请号：US17054236

申请日：2019-12-26

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Deli Fang ,  Tailiang Li ,  Shuo Chen ,  Ken Wen ,  Yongda Ma ,  Jian Xu

IPC: H05K7/02 ,  H05K7/04 ,  H05K5/02 ,  H05K5/00

Abstract: A display device includes a frame, a display module is provided in the frame, a plurality of press sheets for fixing the display module are provided around the display module. Each press sheet is provided with a positioning part which limits a position of the press sheet in a direction parallel to a display surface of the display module.

公开(公告)号：US11307442B2

公开(公告)日：2022-04-19

申请号：US16474191

申请日：2019-01-22

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yongda Ma ,  Jianbo Xian ,  Yong Qiao

IPC: G02F1/1333 ,  G02F1/1337 ,  G02F1/13357 ,  H05K1/18

Abstract: A display module includes: a backplate; a backlight module disposed on the backplate; a liquid crystal panel disposed on the backlight module; a frame configured to fix the liquid crystal panel; a circuit board disposed on the backplate; and a conductive part. The conductive part is connected with the backplate or the circuit board, the conductive part includes an elastic portion connected with the liquid crystal panel, and at least part of the elastic portion is located between the liquid crystal panel and the frame and is in a compression state. A display device is further disclosed.

公开(公告)号：US11224149B2

公开(公告)日：2022-01-11

申请号：US16489557

申请日：2019-01-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yongda Ma ,  Xinyin Wu ,  Xueguang Hao

IPC: H05K7/20

Abstract: The present disclosure provides a heat dissipating device for a display panel, a manufacturing method thereof, and a display device. The heat dissipating device may include: a first heat conductor layer located on a side of the display panel away from its display surface, and provided with at least one through hole; and a second heat conductor layer located on a side of the first heat conductor layer away from the display panel, and connected to the display panel through the at least one through hole. A thermal conductivity of the first heat conductor layer in a direction parallel to the display surface and a thermal conductivity of the second heat conductor layer in a direction perpendicular to the display surface are greater than that of the first heat conductor layer in a direction perpendicular to the display surface, respectively.

公开(公告)号：US10955694B2

公开(公告)日：2021-03-23

申请号：US16463073

申请日：2018-11-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yongda Ma ,  Xinyin Wu ,  Yong Qiao

IPC: G02F1/1333 ,  G02F1/13357

Abstract: The present disclosure relates to a backlight module and a liquid crystal display apparatus. The backlight module includes: a light source assembly; a frame, to which at least a portion of the light source assembly is connected; and a bottom reflective sheet, at least a portion of a thickness of which is overlapped with a thickness of the frame in a thickness direction of the backlight module.

公开(公告)号：US10928663B2

公开(公告)日：2021-02-23

申请号：US16336653

申请日：2018-10-23

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yongda Ma ,  Yong Qiao ,  Jianbo Xian

IPC: G02F1/1333 ,  F21V8/00 ,  G02F1/13357

Abstract: The present disclosure provides a backlight module and a display device, and relates to the field of display technology. The backlight module includes a light guide plate, a light source, a frame portion adjacent to a light incident surface of the light guide plate, and one or more positioning members for defining a position of the light source. The at least one positioning member includes a first positioning portion and a second positioning portion. The first positioning portion is located on a surface of the frame portion adjacent to the light incident surface. The second positioning portion is located on the light incident surface. The second positioning portion and the first positioning portion are mutually constrained to restrict relative movement of the light guide plate and the frame portion in a length direction of the light incident surface.

公开(公告)号：US10914997B2

公开(公告)日：2021-02-09

申请号：US15751461

申请日：2017-07-18

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Chunping Long ,  Yongda Ma

IPC: G02F1/1362 ,  G02F1/1345 ,  G02F1/1368 ,  G09G3/36

Abstract: The present disclosure relates to technical field of display. There is disclosed an array substrate, a display panel and a display device. The array substrate includes a plurality of pixels arranged in an array. Two data lines are provided between every two columns of pixels adjacent to each other and a data line is provided at either side of each column of pixels. One gate line is provided between every two rows of pixels adjacent to each other. Each pixel includes two display domains arranged in a column direction and each display domain is correspondingly connected with a switch device.