公开(公告)号：US12183281B2

公开(公告)日：2024-12-31

申请号：US18034374

申请日：2022-06-29

Applicant: Hefei BOE Joint Technology Co., Ltd. ,  BOE Technology Group Co., Ltd.

Inventor： Min He ,  Xiaolong Wei ,  Song Meng ,  Qiang Fei ,  Jingbo Xu ,  Cheng Xu ,  Miao Liu ,  Pengfei Yin

IPC: G09G3/3233 ,  G09G3/20

Abstract: Disclosed are a display panel and a display method thereof, and a display apparatus. The display panel includes multiple pixel units, a pixel unit includes multiple sub-pixels, a sub-pixel includes a pixel drive circuit, a sense compensation circuit, and an element to be driven, and the display panel further includes a detection unit and a compensator; the pixel drive circuit is configured to drive the element to be driven in active time; the sense compensation circuit is configured to sense electrical characteristics of the element to be driven in blank time; the detection unit is configured to detect whether a currently displayed picture is a still picture, send a first notification to the compensator when the currently displayed picture is a still picture, and send a second notification to the compensator when the currently displayed picture is a non-still picture.

公开(公告)号：US12073792B2

公开(公告)日：2024-08-27

申请号：US17762347

申请日：2021-05-26

Applicant: BOE Technology Group Co., Ltd.

Inventor： Fei Yang ,  Song Meng ,  Zhiqiang Dong ,  Yi Chen ,  Jingbo Xu ,  Jianbo Xian

IPC: G09G3/3258 ,  G09G3/3291

CPC classification number: G09G3/3258 ,  G09G3/3291 ,  G09G2310/027 ,  G09G2320/045 ,  G09G2320/0693 ,  G09G2330/028

Abstract: A data driving integrated circuit includes a digital-to-analog converter configured to receive a respective digital data signal from a timing controller and convert the respective digital data signal to a respective analog data signal, which is output to a display panel through a respective data line; an analog-to-digital converter configured to receive a respective analog sensing signal from a respective sensing line in the display panel and convert respective analog sensing signal to a respective digital sensing signal, which is output to the timing controller; a first sensing switch configured to control a connection between a first reference voltage line and the respective sensing line; a second sensing switch configured to control a connection between a second reference voltage line and the respective sensing line; and a third sensing switch configured to control the connection between the analog-to-digital converter and the respective sensing line.

公开(公告)号：US20240071284A1

公开(公告)日：2024-02-29

申请号：US17766696

申请日：2021-06-29

Applicant: BOE Technology Group Co., Ltd. ,  Hefei BOE Joint Technology Co.,Ltd.

Inventor： Song Meng ,  Jingbo Xu ,  Pan Li

IPC: G09G3/20 ,  G09G3/3233

CPC classification number: G09G3/2096 ,  G09G3/2074 ,  G09G3/3233 ,  G09G2300/0842 ,  G09G2320/0233 ,  G09G2360/16

Abstract: A method for driving a display panel is provided. The method includes receiving image data of a frame of image, the image data including a plurality of initial grayscale values respectively for a plurality of subpixels in the display panel; and converting the image data into a converted image data including a plurality of converted grayscale values respectively for the plurality of subpixels. Converting the image data includes compensating a respective initial grayscale value for a respective subpixel by at least a respective delay-compensating factor to obtain a respective converted grayscale value. With respect to a p-th subpixel and a q-th subpixel respectively connected to a respective data line and having a same initial grayscale values, a p-th delay-compensating factor for the p-th subpixel is greater than a q-th delay-compensating factor for the q-th subpixel.

公开(公告)号：US11682347B2

公开(公告)日：2023-06-20

申请号：US17361549

申请日：2021-06-29

Applicant: Hefei BOE Joint Technology Co., Ltd. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Song Meng ,  Xuehuan Feng

IPC: G09G3/3225 ,  G09G3/3233

CPC classification number: G09G3/3225 ,  G09G2300/0819 ,  G09G2310/08

Abstract: The present disclosure relates to the field of display technology, and describes a pixel driving circuit detection method, a display panel, a driving method thereof, and a display device. The detection method includes inputting a reference voltage to the data line during at least part of the initial phase; turning on the first and second switch sub-circuits during the charging phase, to input the detection voltage to the data line, while inputting the reset voltage to the sensing line; turning on the second switch sub-circuit during the charging phase, to input the driving current by the driving transistor to the sensing line under the effect of the detection voltage; turning off the first and second switch sub-circuits during the detection phase, to detect the voltage on the sensing line; and obtaining the mobility of the driving transistor according to the voltage on the sensing line detected in the detection phase.

公开(公告)号：US11295667B2

公开(公告)日：2022-04-05

申请号：US16916147

申请日：2020-06-30

Applicant: Hefei BOE Joint Technology Co., Ltd. ,  BOE Technology Group Co., Ltd.

Inventor： Zhidong Yuan ,  Yongqian Li ,  Song Meng ,  Can Yuan

IPC: G09G3/3233 ,  G09G3/3266 ,  G09G3/3291

Abstract: Provided are a pixel structure, a display panel and a control method thereof. The pixel structure includes four sub-pixel units, wherein the i-th sub-pixel unit includes: an i-th element to be driven and an i-th drive circuit, 1≤i≤4, and the i-th drive circuit is respectively connected with an M-th data line and an N-th scanning line, and is configured to drive the i-th element to be driven according to a data signal of the M-th data line under control of the N-th scanning line, M = { 1 , 1 ≤ i ≤ 2 2 , 3 ≤ i ≤ 4 , N = { 1 , 2 ≤ i ≤ 3 2 , i ⁢ ⁢ is ⁢ ⁢ 1 ⁢ ⁢ or ⁢ ⁢ 4 .

公开(公告)号：US11222592B2

公开(公告)日：2022-01-11

申请号：US16938671

申请日：2020-07-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Ming I Chu ,  Zhongyuan Wu ,  Fei Yang ,  Song Meng ,  Danna Song

IPC: G09G3/30 ,  G09G3/3258 ,  H01L27/32

Abstract: A compensation method for an electroluminescent display panel, a driving device, a display device, and a storage medium are provided. The compensation method includes: receiving a first display data signal; performing an optical compensation operation on the first display data signal to obtain a second display data signal; performing an electrical compensation operation on the second display data signal to obtain a third display data signal; and outputting the third display data signal for display.

公开(公告)号：US11200843B2

公开(公告)日：2021-12-14

申请号：US16146425

申请日：2018-09-28

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Fei Yang ,  Song Meng ,  Yue Wu ,  Lirong Wang

IPC: G09G3/3258 ,  G09G3/3233

Abstract: The present disclosure relates to a compensation circuit and a method for controlling the same, a display panel and a display device. The compensation circuit includes a sensing line for receiving a current from the source to the drain of the first transistor The compensation circuit includes a first switch having a terminal electrically connected to the sensing line. The compensation circuit includes a current sensor electrically connected to another terminal of the first switch and configured to determine a value of a current on the sensing line when the first transistor is turned on and the first switch is closed The compensation circuit includes a controller electrically connected to the current sensor and the data line for adjusting a data signal input to the data line according to the value of the current.

公开(公告)号：US11107415B2

公开(公告)日：2021-08-31

申请号：US16634785

申请日：2019-06-14

Applicant: BOE Technology Group Co., Ltd.

Inventor： Song Meng

IPC: G09G3/3275

Abstract: A display driving method, compensation data compression and decompression methods and devices, a display device and a storage medium. The compensation data compression method includes dividing a display panel into at least one region; determining a reference value according to first compensation data of each pixel unit in each of at least one region; performing a computation on the first compensation data and the reference value to obtain corresponding second compensation data. The storage bit length of the second compensation data is shorter than the storage bit length of the first compensation data.

公开(公告)号：US20170069251A1

公开(公告)日：2017-03-09

申请号：US15219707

申请日：2016-07-26

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： FEI YANG ,  Szu Heng Tseng ,  Yue Wu ,  Song Meng

IPC: G09G3/20 ,  G09G5/00

CPC classification number: G09G3/2074 ,  G09G3/2003 ,  G09G3/3696 ,  G09G2300/0452 ,  G09G2320/0233 ,  G09G2320/0626 ,  G09G2330/021 ,  G09G2340/0457

Abstract: The present disclosure provides a display driving method, apparatus and a display device. The method comprises: acquiring pixel data of N pixels, N=i*j, i being a coefficient and being a positive integer, and j being the number of pixels in each row; determining, for each pixel data, brightness values of respective sub-pixels in a pixel corresponding to the pixel data; calculating an analog power supply voltage of a source driver chip of a display module according to respective brightness values, the analog power supply voltage being positively correlated with the brightness values.

Abstract translation: 本公开提供了一种显示驱动方法，装置和显示装置。 该方法包括：获取N个像素的像素数据，N = i * j，i是系数并且是正整数，j是每行中的像素数; 对于每个像素数据确定与像素数据相对应的像素中的各个子像素的亮度值; 根据各自的亮度值计算显示模块的源极驱动器芯片的模拟电源电压，模拟电源电压与亮度值正相关。

公开(公告)号：US20160307493A1

公开(公告)日：2016-10-20

申请号：US15037797

申请日：2015-10-21

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Danna Song ,  Cuili Gai ,  Szu Heng Tseng ,  Song Meng ,  Zhongyuan Wu

IPC: G09G3/20 ,  G09G3/3225

CPC classification number: G09G3/2074 ,  G09G3/2003 ,  G09G3/3208 ,  G09G3/3225 ,  G09G2300/0452 ,  G09G2320/0233 ,  G09G2320/0295 ,  G09G2320/0646 ,  G09G2320/0666 ,  G09G2320/0673 ,  G09G2320/0693 ,  G09G2330/021 ,  G09G2340/06

Abstract: The present disclosure provides a method and an apparatus for controlling image display of a WOLED display apparatus and a WOLED display apparatus. The method includes: converting gray scale data of respective lights with various colors inputted by a signal source into brightness data of the respective lights with various colors; acquiring brightness adjustment data of white sub-pixel lights and brightness adjustment data of the respective lights with various colors on the basis of the brightness data of the respective lights with various colors and proportions of the respective lights with various colors in the white sub-pixel lights; converting the brightness adjustment data of white sub-pixel lights and brightness adjustment data of the respective lights with various colors into gray scale data and outputting and displaying the gray scale data. The above method and apparatus provides a simple calculating method when adjusting the display data and may eliminate color cast.

Abstract translation: 本公开提供了一种用于控制WOLED显示装置和WOLED显示装置的图像显示的方法和装置。 该方法包括：将由信号源输入的各种颜色的各种光的灰度数据转换成各种颜色的各种光的亮度数据; 基于具有各种颜色的各种光的亮度数据和在白色子像素中具有各种颜色的各种比例的比例，获取各种颜色的各种光的白色子像素光的亮度调节数据和各种颜色的亮度调节数据 灯光 将白色子像素光的亮度调整数据和各种颜色的各种亮度调整数据转换为灰度数据，并输出并显示灰度数据。 上述方法和装置在调整显示数据时可以提供简单的计算方法，并且可以消除色差。