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1. 发明公开

US20240054925A1 Method for Sensing Display Panel, and Display Panel 审中-公开
公开(公告)号：US20240054925A1
公开(公告)日：2024-02-15
申请号：US17764992
申请日：2021-05-28
申请人： Hefei BOE Joint Technology Co.,Ltd. , BOE Technology Group Co., Ltd.
发明人： Xiaolong WEI , Fei YANG , Song MENG , Jingbo XU , Jianbo XIAN
IPC分类号： G09G3/00 , G09G3/3233
CPC分类号： G09G3/006 , G09G3/3233 , G09G2300/0842
摘要： A method for sensing a display panel includes: sensing an electrical characteristic parameter of a driving transistor of a pixel circuit of a sub-pixel in an X-th row in a blank stage between an N-th frame and an (N+1)-th frame, wherein X is a random number, and both N and X are positive integers.

2. 发明公开

US20240212624A1 Display Apparatus 审中-公开
公开(公告)号：US20240212624A1
公开(公告)日：2024-06-27
申请号：US17916049
申请日：2021-11-29
申请人： BOE Technology Group Co., Ltd.
发明人： Lirong WANG , Fei YANG , Jingbo XU , Fang LIU
IPC分类号： G09G3/3266 , G09G3/3275
CPC分类号： G09G3/3266 , G09G3/3275 , G09G2310/08 , G09G2330/021
摘要： Provided is a display apparatus including a display panel, a timing controller, a source driver and a gate driver. The display apparatus is divided into a first region and a second region along a centerline. The timing controller includes a first timing connector and a second timing connector, which are located in the same region with the gate driver, and the first timing connector is located on a side of the second timing connector close to the gate driver. The first timing connector is configured to transmit a first signal, which includes a first power supply signal configured to supply power to the gate driver and a first control signal configured to control the gate driver to output a scan signal. The second timing connector is configured to transmit a second signal, which includes a second control signal configured to control the source driver to output a data signal.

3. 发明申请

US20230042060A1 PIXEL COMPENSATION DEVICE, PIXEL COMPENSATION METHOD AND DISPLAY APPARATUS 有权
公开(公告)号：US20230042060A1
公开(公告)日：2023-02-09
申请号：US17790085
申请日：2021-06-02
申请人： BOE TECHNOLOGY GROUP CO., LTD.
发明人： Tangxiang WANG , Fei YANG , Yu WANG
IPC分类号： G09G3/3258
摘要： A pixel compensation device includes a controller and at least one external compensation circuit. In the external compensation circuit, a first input circuit is configured to transmit a first voltage to a first terminal of a driving sub-circuit in a initialization phase, perform blanking in a pre-storage phase, and transmit a threshold compensation voltage to the first terminal in the data compensation writing phase; a second input circuit is configured to transmit a second voltage to a control terminal of the driving sub-circuit in the initialization phase and the pre-storage phase, so that a voltage of the first terminal changes from the first voltage to the threshold compensation voltage in the pre-storage phase; a sensing circuit is configured to sense the threshold compensation voltage in the data compensation writing phase; and the controller is configured to transmit a data voltage to the control terminal in the data compensation writing phase.

4. 发明申请

US20220223111A1 SOURCE DRIVER, DISPLAY PANEL AND CONTROL METHOD THEREFOR, AND DISPLAY APPARATUS 有权
公开(公告)号：US20220223111A1
公开(公告)日：2022-07-14
申请号：US17607831
申请日：2020-11-30
申请人： BOE TECHNOLOGY GROUP CO., LTD.
发明人： Tangxiang WANG , Fei YANG
IPC分类号： G09G3/3266 , G11C19/28
摘要： A source driver includes a plurality of shift register groups cascaded in sequence, an enable control circuit and at least one switching circuit electrically connected to the enable control circuit. Each shift register group includes a plurality of stages of shift registers, and is configured to sample digitized image data; a first start signal of an n-th shift register group is output by an (n−1)-th shift register group, n is a positive integer greater than 2. The enable control circuit is configured to output a first turn-on signal or a first turn-off signal. In two adjacent shift register groups, a last-stage shift register in a present shift register group is electrically connected to a first-stage shift register in a next shift register group through a switching circuit.

5. 发明申请

US20210335253A1 METHOD FOR DRIVING ORGANIC LIGHT EMITTING DISPLAY DEVICE, DRIVING CONTROLLER AND DISPLAY DEVICE 有权
公开(公告)号：US20210335253A1
公开(公告)日：2021-10-28
申请号：US16481796
申请日：2019-01-21
申请人： BOE TECHNOLOGY GROUP CO., LTD.
发明人： Fei YANG , Song MENG
IPC分类号： G09G3/3258 , H01L27/32 , G09G3/00
摘要： The present disclosure relates to a method for driving an organic light emitting display device, a driving controller, and a display device. When startup detection is required to be performed on the display compensation parameter of the organic light emitting display device, the startup detection is performed on the display compensation parameter of the organic light emitting display device to obtain a new compensation parameter value, and startup compensation display is performed based on the new compensation parameter value. When shutdown detection is required to be performed on the display compensation parameter of the organic light emitting display device, the shutdown detection is performed on the organic light emitting display device to obtain an updated compensation parameter value, and the updated compensation parameter value is stored.

6. 发明申请

US20210225287A1 COMPENSATION METHOD FOR DISPLAY PANEL AND DISPLAY PANEL 有权
公开(公告)号：US20210225287A1
公开(公告)日：2021-07-22
申请号：US16765846
申请日：2019-09-29
申请人： HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD. , BOE TECHNOLOGY GROUP CO., LTD.
发明人： Song MENG , Fei YANG , Chun CAO , Xiaolong WEI
IPC分类号： G09G3/3258 , G09G3/3275
摘要： A compensation method for a display panel and a display device are provided. The display panel includes a plurality of sub-pixels, and at least one of the plurality of sub-pixels includes a sensing capacitor. The method includes: obtaining a first voltage value and a second voltage value of the sensing capacitor, obtaining a temperature change amount of a sub-pixel corresponding to the sensing capacitor according to the first voltage value and the second voltage value of the sensing capacitor, determining a value of a compensation parameter of the sub-pixel according to the temperature change amount of the sub-pixel and a preset correspondence between the temperature change amount of the sub-pixel and the compensation parameter; and performing a compensation on a driving voltage of the sub-pixel according to the value of the compensation parameter as determined.

7. 发明申请

US20160293082A1 METHOD AND DEVICE FOR IMAGE CONVERSION FROM RGB SIGNALS INTO RGBW SIGNALS 有权
标题翻译：用于从RGB信号到RGBW信号的图像转换的方法和装置
公开(公告)号：US20160293082A1
公开(公告)日：2016-10-06
申请号：US14770916
申请日：2014-09-26
申请人： BOE Technology Group Co., Ltd.
发明人： Chen ZHANG , Fei YANG
IPC分类号： G09G3/20
CPC分类号： G09G3/2003 , G09G5/02 , G09G2300/0452 , G09G2320/0666 , G09G2340/06
摘要： A method and device for image conversion from RGB signals into RGBW signals, after converting the RGB luminance input values into RGBW luminance output values, determine color-cast-removed RGBW luminance output values respectively, according to a position relationship between RGBW color coordinate values to which the RGBW luminance output values correspond respectively and a predetermined actual color coordinate value of a color having monochromatic color cast among RGBW in a chromaticity diagram, and thereafter convert the color-cast-removed RGBW luminance output values into corresponding RGBW output signals respectively and output the same. By means of the above method provided in the present disclosure, color having monochromatic shifting among RGBW can be compensated back to the expected RGBW color coordinates and luminance values, so the problems of color gamut deviation and color distortion caused by RGBW monochromatic color cast are eliminated, color gamut of the displayed image is more accurate.
摘要翻译：在将RGB亮度输入值转换为RGBW亮度输出值之后，从RGB信号到RGBW信号的图像转换的方法和装置分别根据RGBW色坐标值与RGBW色坐标值之间的位置关系确定色偏移RGBW亮度输出值 RGBW亮度输出值分别对应于色度图中的RGBW之间具有单色投光的颜色的预定实际色坐标值，然后分别将色彩淘汰的RGBW亮度输出值转换为相应的RGBW输出信号，并输出一样。通过本公开中提供的上述方法，RGBW中具有单色移位的颜色可以补偿到预期的RGBW色坐标和亮度值，消除了由RGBW单色调造成的色域偏差和颜色失真问题，显示图像的色域更准确。

8. 发明公开

US20240242667A1 DISPLAY DEVICE AND DRIVING METHOD THEREOF 审中-公开
公开(公告)号：US20240242667A1
公开(公告)日：2024-07-18
申请号：US18004345
申请日：2021-12-21
申请人： BOE TECHNOLOGY GROUP CO., LTD.
发明人： Mingi CHU , Ying HAN , Song MENG , Fei YANG , Lirong WANG , Zhiqiang DONG , Tianji LI , Jingbo XU , Pan LI
IPC分类号： G09G3/3225 , G09G3/20
CPC分类号： G09G3/3225 , G09G3/2074 , G09G2320/064 , G09G2360/14
摘要： A display device and a driving method thereof. The display device includes a display substrate and at least one optical sensing unit; the display substrate includes a light-emitting region and a plurality of pixel units located in the light-emitting region; wherein the light-emitting region comprises a single-sided light-emitting region and at least one double-sided light-emitting region, and each of the pixel units in the plurality of pixel units comprises a plurality of sub-pixels; and the at least one optical sensing unit corresponds to the at least one double-sided light-emitting region from a non-display side of the display substrate, and configured to sense light emitted by the sub-pixels during operation in the at least one double-sided light-emitting region, and to provide sensing brightness information of the at least one double-sided light-emitting region to perform brightness compensation on the light-emitting region.

9. 发明公开

US20240096274A1 DISPLAY APPARATUS AND DISPLAY METHOD THEREFOR 审中-公开
公开(公告)号：US20240096274A1
公开(公告)日：2024-03-21
申请号：US17767728
申请日：2021-05-12
申请人： BOE Technology Group Co., Ltd.
发明人： Fei YANG , Mingi CHU
IPC分类号： G09G3/3225
CPC分类号： G09G3/3225 , G09G2320/0233
摘要： Disclosed are a display apparatus and a display method therefor. The display method includes: a frame of to-be-displayed image data is received; the frame of to-be-displayed image data is segmented into N frames of sub-image data corresponding to the N display panels in a one-to-one correspondence; for each display panel, an initial peak brightness parameter corresponding to the display panel is calculated according to the sub-image data corresponding to the display panel; for each display panel, a target peak brightness parameter corresponding to the display panel is calculated according to the initial peak brightness parameter corresponding to the display panel and an initial peak brightness parameter corresponding to an adjacent display panel; and display is performed by each display panel according to the sub-image data and the target peak brightness parameter corresponding to the display panel.

10. 发明申请

US20210225272A1 PIXEL COMPENSATION METHOD, PIXEL COMPENSATION DEVICE AND DISPLAY DEVICE 有权
公开(公告)号：US20210225272A1
公开(公告)日：2021-07-22
申请号：US16765284
申请日：2020-01-08
申请人： BOE TECHNOLOGY GROUP CO., LTD.
发明人： Fei YANG , Mingi CHU
IPC分类号： G09G3/3208 , G09G3/20
摘要： A pixel compensation method, a pixel compensation device and a display device. The pixel compensation method includes: generating, according to grayscale data and compensation value of a sub-pixel in a current detection period, a source voltage signal to control light-emitting brightness of the sub-pixel; generating a sensing value according to the light-emitting brightness of the sub-pixel; and determining a compensation value of the sub-pixel in next detection period, according to the grayscale data, the compensation value, and the sensing value of the sub-pixel in the current detection period.

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