公开(公告)号：US20240169214A1

公开(公告)日：2024-05-23

申请号：US17772736

申请日：2021-07-28

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

Inventor： Qiong Wu ,  Boran Jiang ,  Ge Ou ,  Zhenzhong Zhang ,  Shuqi Wei ,  Mengjun Hou ,  Jijing Huang

IPC: G06N5/02 ,  G06Q30/0601

CPC classification number: G06N5/02 ,  G06Q30/0631

Abstract: A knowledge graph updating method, an apparatus, an electronic device, a storage medium and a program thereof, relates to the field of computer technology. The method includes: receiving an updating request of a technical knowledge graph, the updating request includes: a technical-event node of the technical knowledge graph; extracting historical event information corresponding to the technical-event node from the technical knowledge graph; and updating event information of the technical-event node after a current time by using a target-technical-event prediction model; wherein, the target-technical-event prediction model is obtained by training a technical-event prediction model with the historical event information.

公开(公告)号：US11829562B2

公开(公告)日：2023-11-28

申请号：US17513713

申请日：2021-10-28

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jijing Huang ,  Zhiming Yang ,  Chuqian Zhong ,  Zongmin Liu ,  Dawei Tang ,  Qiong Wu

IPC: G06F3/043 ,  G06K9/00 ,  G06F3/0488 ,  G06F3/04886 ,  G06V20/00

CPC classification number: G06F3/043 ,  G06F3/04886 ,  G06V20/00

Abstract: A registration system is provided. The registration system includes: a display device, a collection device and an ultrasonic generating device. The display device is configured to display a graphical user interface. The collection device is configured to collect a scene image at the display device to recognize an operation of a user on the graphical user interface. The ultrasonic generating device is configured to emit ultrasonic signals, so that the ultrasonic signals gather to form one or more virtual buttons for operating the graphical user interface.

公开(公告)号：US11789537B2

公开(公告)日：2023-10-17

申请号：US17615395

申请日：2021-02-22

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

Inventor： Yuju Chen ,  Hui Hua ,  Xiaotong Liu ,  Yongchun Tao ,  Jijing Huang

IPC: G06F3/01 ,  G06F3/04886

CPC classification number: G06F3/016 ,  G06F3/04886

Abstract: The application provides a haptic feedback method and apparatus for virtual keys, and an electronic device, and relates to the field of piezoelectric techniques. A touch display panel is controlled to display at least one virtual key, a touch position detected by the touch display panel is acquired, a target waveform parameter is determined according to a positional relationship between the touch position and each region in a target area corresponding to a target virtual key, and a target drive signal is generated according to the target waveform parameter and is sent to a piezoelectric element.

公开(公告)号：US11302272B2

公开(公告)日：2022-04-12

申请号：US16826254

申请日：2020-03-22

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Mengjun Hou ,  Yidan Peng ,  Jijing Huang ,  Zongmin Liu ,  Liye Duan

IPC: G09G3/36 ,  G02F1/13357 ,  G02F1/1362

Abstract: The present disclosure provides a display device and a driving method. The display device includes a display panel and a backlight module, where the display panel includes a plurality of display regions, the backlight module includes x light sources, each of the plurality of display regions corresponds to one of the light sources, each of the light sources includes a plurality of light emitting units which emit light of different colors, and x is a positive integer not smaller than 2. The driving method includes, after loading data signals to subpixels in one of the display regions, turning on a light emitting unit corresponding to the one of the display regions and at the same time, loading datap signals to subpixels in a next one of the display regions which is adjacent to the one of the display regions.