公开(公告)号：US20240345943A1

公开(公告)日：2024-10-17

申请号：US18037087

申请日：2022-04-22

Applicant: Chongqing BOE Optoelectronics Technology Co., Ltd. ,  BOE Technology Group Co., Ltd.

Inventor： Wentao ZHU ,  Gaoming SUN ,  Jingchao YUAN ,  Zhiheng ZHOU ,  Hongxin PAN ,  Jingpeng ZHAO ,  Xin DUAN

IPC: G06F12/02

CPC classification number: G06F12/0223

Abstract: A method and an apparatus for controlling read timing, and a computer-readable storage medium. The apparatus for controlling read timing includes an on-chip memory. The method for controlling read timing includes: writing input data into the on-chip memory; performing an end-of-frame detection on the input data; after detecting an end of a frame, counting input data rows and generating a read timing according to a preset Porch parameter; determining whether the on-chip memory will be read to be empty or written to be full according to an input data row count and the generated read timing; and when the on-chip memory will be read to be empty or written to be full, adjusting the read timing until the on-chip memory will not be read to be empty or written to be full, and reading and outputting data of the on-chip memory according to the read timing.

公开(公告)号：US20240161220A1

公开(公告)日：2024-05-16

申请号：US17781518

申请日：2021-05-21

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

Inventor： Shuhuan YU ,  Wei SUN ,  Xin DUAN ,  Jiantao LIU

IPC: G06T1/20 ,  G09G3/00

CPC classification number: G06T1/20 ,  G09G3/001 ,  G09G2320/028 ,  G09G2330/023

Abstract: A multi-view display device and a display control method are provided. The multi-view display device has a plurality of viewing angles and includes a plurality of logic boards, each of the logic boards corresponds to a respective one of the viewing angles, the logic board is configured to process and transmit image data of the viewing angle corresponding to the logic board, and the logic boards corresponding to the respective viewing angles are driven and controlled independently.

公开(公告)号：US20240054950A1

公开(公告)日：2024-02-15

申请号：US17762695

申请日：2021-05-07

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

Inventor： Yifan HOU ,  Tiankuo SHI ,  Zhihua JI ,  Xiaomang ZHANG ,  Xin DUAN ,  Wei SUN ,  Tao YANG ,  Chenxi ZHAO ,  Xiangjun PENG ,  Shuo ZHANG ,  Minglei CHU ,  Yan SUN ,  Yanhui XI

IPC: G09G3/3208

CPC classification number: G09G3/3208 ,  G09G2320/0233 ,  G09G2360/16 ,  G09G2320/041 ,  G09G2320/0242

Abstract: A display compensating method, display compensating device, and display device are provided, which relates to field of display and addresses the issues of poor screen uniformity, grayscale relationship change of sub-pixel due to ambient temperature change, and display screen brightness affected by ageing offset of threshold voltage corresponding to the sub-pixel. The display compensating method is applied to the display device, including: converting a received grayscale signal into a brightness signal; performing an optical compensation on a display brightness of the display device based on the brightness signal; converting a corresponding brightness signal on which the optical compensation is performed into a voltage signal; compensating for a threshold voltage corresponding to each sub-pixel in the display device based on the voltage signal; and compensating for operating parameters of the display device for the display device at different operating temperatures.

公开(公告)号：US20230196975A1

公开(公告)日：2023-06-22

申请号：US17925872

申请日：2021-01-04

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Shaolei ZONG ,  Xin DUAN ,  Jigang SUN ,  Wei SUN

IPC: G09G3/20

CPC classification number: G09G3/2096 ,  G09G2310/04 ,  G09G2310/08 ,  G09G2310/0267 ,  G09G2310/0275 ,  G09G2354/00

Abstract: A driving method for a display panel, a display panel and a display apparatus, including: determining a gaze region, watched by eyes of a user, in a display region of the display panel; and refreshing data of at least some of sub-pixels in the display panel according to a set rule and in combination with the gaze region.

公开(公告)号：US20210407377A1

公开(公告)日：2021-12-30

申请号：US16754914

申请日：2019-11-14

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

Inventor： Yankai GAO ,  Ming CHEN ,  Lingyun SHI ,  Xin DUAN ,  Yuxin BI ,  Hong LIU ,  Mingjian YU ,  Guofeng HU

IPC: G09G3/32

Abstract: Disclosed includes an apparatus, a drive method, a display panel, and a display device. The apparatus may comprise a drive transistor, a light emitting device driven by the drive transistor and a comparator. The comparator may have a first input coupled to a pixel voltage, a second input coupled to a reference voltage, a first control terminal coupled to a first control voltage, a second control terminal coupled to a second control voltage, and an output coupled to a gate of the drive transistor. The comparator may be configured to output the first control voltage to the output during a first time period in which the pixel voltage is not smaller than the reference voltage and output the second control voltage to the output during a second time period in which the pixel voltage is smaller than the reference voltage.

公开(公告)号：US20250142258A1

公开(公告)日：2025-05-01

申请号：US19008548

申请日：2025-01-02

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

Inventor： Minglei CHU ,  Yanhui XI ,  Xiaomang ZHANG ,  Xiangjun PENG ,  Wenchao HAN ,  Lianghao ZHANG ,  Wei SUN ,  Rui LIU ,  Xin DUAN ,  Tiankuo SHI

IPC: H04R5/02 ,  H04R3/12

Abstract: The present disclosure provides a display device, a sound-emitting control method, and a sound-emitting control device. The device includes: a display screen which includes a first display region, a middle display region, and a second display region; a plurality of sound-emitting units, which include: a plurality of first sound-emitting units, a plurality of second sound-emitting units and a plurality of third sound-emitting units, the orthographic projection of the first sound-emitting units on the plane of the display screen is located in the first display region, the orthographic projection of the second sound-emitting units on the plane of the display screen is located in the second display region, and the orthographic projection of the third sound-emitting units on the plane of the display screen is located in the third display region; the plurality of first sound-emitting units and the plurality of second sound-emitting units respectively include a sound-emitting unit which emits sounds at a first frequency band, a sound-emitting unit which emits sounds at a second frequency band, and a sound-emitting unit which emits sounds at a third frequency band; the first, second, and third frequency bands increase in turn; and all of the plurality of third sound-emitting units are the sound-emitting units emitting sound in the second frequency band.

公开(公告)号：US20240371336A1

公开(公告)日：2024-11-07

申请号：US18777612

申请日：2024-07-19

Applicant: BOE Technology Group Co., Ltd.

Inventor： Qiong WU ,  Xiangjun PENG ,  Xin DUAN ,  Ce NING ,  Lizhong WANG ,  Yifan HOU ,  Shuo ZHANG ,  Huiling XUE ,  Hui GUO

IPC: G09G3/36 ,  G06F3/01 ,  G09G3/20 ,  G09G3/34

Abstract: A liquid crystal display device, a method for displaying an image, and an electronic device are provided. In the first operation mode, a control circuit of the display device is configured to: receive display data of an mth image frame, and control the display device to display n sub-field images. The display data includes initial gray scales under n base colors. In a sub-field image of the mth image frame: pixels include a target pixel, and an actual gray scale of the target pixel is an average of an intermediate gray scale and initial gray scales of T non-target pixels. An actual gray scale of at least a part of non-target pixels is an initial gray scale thereof. The target pixel meets at least one of a first condition and a second condition.

公开(公告)号：US20240321225A1

公开(公告)日：2024-09-26

申请号：US18646812

申请日：2024-04-26

Applicant: BOE Technology Group Co., Ltd.

Inventor： Huiling XUE ,  Yifan HOU ,  Xiangjun PENG ,  Shuo ZHANG ,  Qiong WU ,  Xin DUAN ,  Wei SUN

IPC: G09G3/34 ,  G09G3/20 ,  G09G3/32

CPC classification number: G09G3/3426 ,  G09G3/2007 ,  G09G3/32 ,  G09G2320/0233 ,  G09G2320/0626 ,  G09G2330/021

Abstract: Disclosed is a backlight diffusion parameter generation method, including: selecting and measuring illumination diffusion data of at least one of multiple light emitting regions, wherein the illumination diffusion data includes brightness data of multiple pixels on a display panel and distance data between positions corresponding to multiple pixels and a position where an illuminated light emitting region is located when only one light emitting region is illuminated; preprocessing the illumination diffusion data to obtain an effective pixel; performing function fitting according to data corresponding to multiple effective pixels to obtain a point spread function representing a relationship between diffusion brightness and a diffusion distance; storing a backlight diffusion parameter lookup table, which includes multiple diffusion distance bonding points and diffusion brightness corresponding to each of the diffusion distance bonding points, and also includes a diffusion slope between two adjacent diffusion distance bonding points.

公开(公告)号：US20240153433A1

公开(公告)日：2024-05-09

申请号：US17773337

申请日：2021-05-10

Applicant: BOE Technology Group Co., Ltd.

Inventor： Rui LIU ,  Xin DUAN ,  Shaolei ZONG ,  Wei SUN ,  Jigang SUN ,  Shuhuan YU ,  Kexin HAO ,  Jiantao LIU

IPC: G09G3/20 ,  G06T9/00

CPC classification number: G09G3/2096 ,  G06T9/00 ,  G09G2300/0439 ,  G09G2330/021 ,  G09G2370/00

Abstract: Provided is a method for transmitting image data. The method includes acquiring initial image data of a to-be-displayed image in a display panel, wherein the display panel includes a plurality of pixels, and the initial image data includes pixel data of the plurality of pixels; compressing pixel data of a plurality of first pixels in the initial image data to acquire at least one piece of compressed pixel data, wherein the plurality of first pixels are disposed in a non-foveal region of the display panel, and a plurality of second pixels are disposed in a foveal region of the display panel; sending compressed image data to a driver chip of the display panel, wherein the compressed image data comprises the at least one piece of compressed pixel data and pixel data of the plurality of second pixels.

公开(公告)号：US20240137484A1

公开(公告)日：2024-04-25

申请号：US18546289

申请日：2021-08-27

Applicant: BOE Technology Group Co., Ltd.

Inventor： Tieshi WANG ,  Kuanjun PENG ,  Xue DONG ,  Chunmiao ZHOU ,  Tao HONG ,  Hui ZHANG ,  Xin DUAN ,  Minglei CHU ,  Xiaochuan CHEN ,  Guangcai YUAN ,  Jing YU

IPC: H04N13/383 ,  G09G3/36 ,  H04N13/246 ,  H04N13/296 ,  H04N13/332 ,  H04N13/398

CPC classification number: H04N13/383 ,  G09G3/3607 ,  H04N13/246 ,  H04N13/296 ,  H04N13/332 ,  H04N13/398 ,  G09G2300/0452 ,  G09G2300/0804 ,  G09G2310/0283 ,  G09G2310/0286 ,  G09G2354/00

Abstract: Provided in the embodiments of the present disclosure are a display panel, a display apparatus and a driving method therefor, and an image rendering method. The display panel comprises: a first base substrate; a plurality of scanning lines, which are located on one side of the first base substrate, extend in a first direction and are arranged in a second direction, wherein the first direction intersects with the second direction; a plurality of data lines, which are located on the same side of the first base substrate as the scanning lines, extend in the second direction and are arranged in the first direction; and a plurality of sub-pixels, which are respectively located in regions divided by the plurality of scanning lines and the plurality of data lines, wherein the plurality of sub-pixels constitute a plurality of pixel islands, the plurality of pixel islands are dived into a plurality of control regions, each control region comprises at least one pixel island, and each control region is independently driven to emit light.