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1. 发明授权

US12073792B2 Data driving integrated circuit, display apparatus, and pixel compensation method 有权
公开(公告)号：US12073792B2
公开(公告)日：2024-08-27
申请号：US17762347
申请日：2021-05-26
申请人： BOE Technology Group Co., Ltd.
发明人： Fei Yang , Song Meng , Zhiqiang Dong , Yi Chen , Jingbo Xu , Jianbo Xian
IPC分类号： G09G3/3258 , G09G3/3291
CPC分类号： G09G3/3258 , G09G3/3291 , G09G2310/027 , G09G2320/045 , G09G2320/0693 , G09G2330/028
摘要： 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.

2. 发明公开

US20240071284A1 METHOD FOR DRIVING DISPLAY PANEL, TIMING CONTROLLER, DISPLAY APPARATUS AND METHOD OF CALIBRATING A DISPLAY APPARATUS 审中-公开
公开(公告)号：US20240071284A1
公开(公告)日：2024-02-29
申请号：US17766696
申请日：2021-06-29
申请人： BOE Technology Group Co., Ltd. , Hefei BOE Joint Technology Co.,Ltd.
发明人： Song Meng , Jingbo Xu , Pan Li
IPC分类号： G09G3/20 , G09G3/3233
CPC分类号： G09G3/2096 , G09G3/2074 , G09G3/3233 , G09G2300/0842 , G09G2320/0233 , G09G2360/16
摘要： 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.

3. 发明授权

US11682347B2 Pixel circuit detection method, display panel driving method, and display device 有权
公开(公告)号：US11682347B2
公开(公告)日：2023-06-20
申请号：US17361549
申请日：2021-06-29
申请人： Hefei BOE Joint Technology Co., Ltd. , BOE TECHNOLOGY GROUP CO., LTD.
发明人： Song Meng , Xuehuan Feng
IPC分类号： G09G3/3225 , G09G3/3233
CPC分类号： G09G3/3225 , G09G2300/0819 , G09G2310/08
摘要： 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.

4. 发明授权

US11295667B2 Pixel structure, display panel and control method thereof 有权
公开(公告)号：US11295667B2
公开(公告)日：2022-04-05
申请号：US16916147
申请日：2020-06-30
申请人： Hefei BOE Joint Technology Co., Ltd. , BOE Technology Group Co., Ltd.
发明人： Zhidong Yuan , Yongqian Li , Song Meng , Can Yuan
IPC分类号： G09G3/3233 , G09G3/3266 , G09G3/3291
摘要： 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 .

5. 发明授权

US11222592B2 Compensation method for display panel, driving device, display device, and storage medium 有权
公开(公告)号：US11222592B2
公开(公告)日：2022-01-11
申请号：US16938671
申请日：2020-07-24
申请人： BOE TECHNOLOGY GROUP CO., LTD.
发明人： Ming I Chu , Zhongyuan Wu , Fei Yang , Song Meng , Danna Song
IPC分类号： G09G3/30 , G09G3/3258 , H01L27/32
摘要： 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.

6. 发明授权

US11200843B2 Compensation circuit and method for controlling the same, display panel and display device 有权
公开(公告)号：US11200843B2
公开(公告)日：2021-12-14
申请号：US16146425
申请日：2018-09-28
申请人： BOE TECHNOLOGY GROUP CO., LTD.
发明人： Fei Yang , Song Meng , Yue Wu , Lirong Wang
IPC分类号： G09G3/3258 , G09G3/3233
摘要： 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.

7. 发明授权

US11107415B2 Display driving method and device, compression and decompression methods and devices, display device and storage medium 有权
公开(公告)号：US11107415B2
公开(公告)日：2021-08-31
申请号：US16634785
申请日：2019-06-14
申请人： BOE Technology Group Co., Ltd.
发明人： Song Meng
IPC分类号： G09G3/3275
摘要： 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.

8. 发明申请

US20170069251A1 DISPLAY DRIVING METHOD, APPARATUS AND DISPLAY DEVICE 审中-公开
标题翻译：显示驱动方法，装置和显示装置
公开(公告)号：US20170069251A1
公开(公告)日：2017-03-09
申请号：US15219707
申请日：2016-07-26
申请人： BOE TECHNOLOGY GROUP CO., LTD.
发明人： FEI YANG , Szu Heng Tseng , Yue Wu , Song Meng
IPC分类号： G09G3/20 , G09G5/00
CPC分类号： G09G3/2074 , G09G3/2003 , G09G3/3696 , G09G2300/0452 , G09G2320/0233 , G09G2320/0626 , G09G2330/021 , G09G2340/0457
摘要： 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.
摘要翻译：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。

9. 发明申请

US20160307493A1 METHOD AND APPARATUS FOR CONTROLLING IMAGE DISPLAY OF WOLED DISPLAY APPARATUS AND DISPLAY APPARATUS 审中-公开
标题翻译：用于控制显示装置和显示装置的图像显示的方法和装置
公开(公告)号：US20160307493A1
公开(公告)日：2016-10-20
申请号：US15037797
申请日：2015-10-21
申请人： BOE TECHNOLOGY GROUP CO., LTD.
发明人： Danna Song , Cuili Gai , Szu Heng Tseng , Song Meng , Zhongyuan Wu
IPC分类号： G09G3/20 , G09G3/3225
CPC分类号： 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
摘要： 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.
摘要翻译：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。

10. 发明申请

US20160232848A1 DRIVING METHOD OF PIXEL CIRCUIT AND DRIVING DEVICE THEREOF 有权
标题翻译：像素电路及其驱动装置的驱动方法
公开(公告)号：US20160232848A1
公开(公告)日：2016-08-11
申请号：US14907448
申请日：2015-09-16
申请人： BOE TECHNOLOGY GROUP CO., LTD.
发明人： Song Meng , Danna Song
IPC分类号： G09G3/32
CPC分类号： G09G3/3258 , G09G3/2014 , G09G2310/08 , G09G2360/16
摘要： Embodiments of the present disclosure relate to a technical field of display technology, and provide a driving method for a pixel circuit and a driving device thereof. A problem of cost increase can be solved which is caused by an increase in a number of storages when adjustment is made by way of Gamma curve and table lookup, by means of the technical solutions according to embodiments of the present disclosure. The driving method of the pixel circuit includes acquiring brightness information of a display screen in a light-emitting phase (S101); determining a duty cycle of a pulse signal according to the brightness information (S102); inputting a high level to the first voltage terminal, and inputting the pulse signal with the duty cycle to a gate of the first switching transistor by the first gate line (S103).
摘要翻译：本公开的实施例涉及显示技术的技术领域，并且提供用于像素电路及其驱动装置的驱动方法。可以通过根据本公开的实施例的技术方案，通过伽马曲线和表查找进行调整时由于存储器数量的增加而引起的成本增加的问题。像素电路的驱动方法包括获取发光阶段的显示画面的亮度信息（S101）。根据亮度信息确定脉冲信号的占空比（S102）; 向第一电压端子输入高电平，并且通过第一栅极线将具有占空比的脉冲信号输入到第一开关晶体管的栅极（S103）。

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