公开(公告)号：US12118169B2

公开(公告)日：2024-10-15

申请号：US17788553

申请日：2021-08-05

Applicant: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhongshan Wu ,  Xiaoyuan Wang ,  Yan Liu ,  Ruiqi Pan ,  Xiaofeng Yin ,  Jiantao Liu

IPC: G06F3/044 ,  G06F3/041

CPC classification number: G06F3/0446 ,  G06F3/0416

Abstract: The present invention relates to a touch substrate with a touch control unit including a first touch electrode having a first bus bar extending along a first direction and a first inner electrode extending from the first bus bar, and a second touch electrode having a second bus bar extending along the first direction and a second inner electrode extending from the second bus bar. The first and second bus bars are disposed opposite to each other, the first and second inner electrodes are between the first and second bus bars, alternately and spaced apart from each other in the first direction. Each pair of adjacent first and second inner electrodes constitutes an inner electrode group, within which, at least a portion of the first inner electrode extends toward the second inner electrode, and at least a portion of the second inner electrode extends toward the first inner electrode.

公开(公告)号：US20240210766A1

公开(公告)日：2024-06-27

申请号：US18547390

申请日：2022-11-29

Applicant: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD. ,  BOE Technology Group Co., Ltd.

Inventor： Tingting Wang ,  Xu Wang ,  Qi Wang ,  Yan Yan ,  Yu Ma ,  Xiaofeng Yin ,  Zhiqiang Ma ,  Tao Gong ,  Haoyan Ren

IPC: G02F1/1343 ,  G02F1/1362 ,  H01L27/12

CPC classification number: G02F1/134318 ,  G02F1/136209 ,  G02F1/136286 ,  H01L27/124

Abstract: An array substrate includes: a base substrate, a light shielding layer on a first surface of the base substrate, and a plurality of pixel units and a first common electrode bus on a second surface of the base substrate. The base substrate includes a display region, first and second peripheral regions. Orthographic projections of the pixel units on the base substrate are arranged in an array in the display region. At least part of an orthographic projection of the light shielding layer and at least part of an orthographic projection of the first common electrode bus on the base substrate are in the second peripheral region, and the first common electrode bus is electrically connected to the common electrode included in at least one pixel unit. A distribution density of the first common electrode bus in the first peripheral region is smaller than that in the second peripheral region.

公开(公告)号：US11847263B2

公开(公告)日：2023-12-19

申请号：US17620538

申请日：2021-02-26

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

Inventor： Hui Hua ,  Yuju Chen ,  Xiaofeng Yin

IPC: G09G5/00 ,  G06F3/01 ,  B06B1/06

CPC classification number: G06F3/016 ,  B06B1/0622

Abstract: The present disclosure provides a haptic feedback base plate, a haptic feedback apparatus and a haptic feedback method. The haptic feedback base plate comprises: a substrate and a deformation unit disposed on one side of the substrate. The deformation unit comprises a first electrode, a piezoelectric material layer and a second electrode that are arranged in a stacked manner, the first electrode is arranged close to the substrate, the first electrode and the second electrode are configured to form an alternating electric field, and the piezoelectric material layer vibrates under the effect of the alternating electric field and drives the substrate to resonate, wherein a difference between a frequency of the alternating electric field and an inherent frequency of the substrate is less than or equal to a preset threshold.

公开(公告)号：US11522121B2

公开(公告)日：2022-12-06

申请号：US17485227

申请日：2021-09-24

Applicant: BOE Technology Group Co., Ltd.

Inventor： Hui Hua ,  Yuju Chen ,  Xiaofeng Yin

IPC: H01L41/047 ,  G06F3/01 ,  H02N2/00

Abstract: A tactile reproduction device, a method for driving the same, and a tactile reproduction apparatus. Tactile reproduction device may simulate textures to implement tactile reproduction. tactile reproduction device includes a plurality of piezoelectric units, includes: first electrode, piezoelectric section, and second electrode which are laminated, wherein the second electrode includes: first comb electrode and second comb electrode; the first comb electrode includes: a plurality of first comb-teeth electrodes and a first comb-shank electrode connecting the plurality of first comb-teeth electrodes; the second comb electrode includes: a plurality of second comb-teeth electrodes and a second comb-shank electrode connecting the plurality of second comb-teeth electrodes; the plurality of first comb-teeth electrodes and the plurality of second comb-teeth electrodes are mutually intersected; the first electrode includes a plurality of electrode units which are not connected to each other. The present disclosure is applicable to the production of tactile reproduction devices.

公开(公告)号：US11114013B2

公开(公告)日：2021-09-07

申请号：US17094737

申请日：2020-11-10

Applicant: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Qing Li ,  Liugang Zhou ,  Ke Dai ,  Yizhan Han ,  Liu He ,  Yunyun Liang ,  Jun Wang ,  Zhenlin Qu ,  Jianwei Sun ,  Yulong Xiong ,  Tao Li ,  Yu Quan ,  Xiaofeng Yin ,  Qian Zhou ,  Pengjun Fang

IPC: G09G3/20

Abstract: A display driving device, a display driving method, a display module and a display device are provided. The display driving device includes: a PWM signal generating circuit configured to generate a PWM signal; a PWM signal acquisition circuit, configured to identify whether the PWM signal output by the PWM signal generating circuit is at a high level or a low level; a gamma voltage debugging circuit, configured to debug a gamma voltage to obtain a first group of gamma voltage reference data corresponding to the PWM signal at the high level and a second group of gamma voltage reference data corresponding to the PWM signal at the low level in each gray-scale image; and a gamma voltage switching circuit.

公开(公告)号：US20210097950A1

公开(公告)日：2021-04-01

申请号：US16994891

申请日：2020-08-17

Applicant: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD. ,  BOE Technology Group Co., Ltd.

Inventor： Ke Dai ,  Yunyun Liang ,  Liugang Zhou ,  Zhenlin Qu ,  Liu He ,  Qing Li ,  Jun Wang ,  Yu Quan ,  Xiaofeng Yin ,  Liwei Zhou ,  Lin Zhang ,  Tao Li ,  Yulong Xiong

IPC: G09G3/36 ,  G09G3/34

Abstract: The present disclosure provides a driving circuit and driving method for a liquid crystal display panel, and a display device. The driving circuit includes: a signal collector, configured to collect a backlight control signal; and a timing control chip, configured to determine whether a BLU is in the bright state time period or in the dark state time period, and retrieve a first gate control signal from a memory chip and output the first gate control signal to a gate driving circuit, when determining that the BLU is in the bright state time period, or retrieve a second gate control signal from the memory chip and output the second gate control signal to the gate driving circuit, when determining that the BLU is in the dark state time period.