Patents by Inventor Xiaolong Wei

Xiaolong Wei has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 12288514
    Abstract: A display method, including: performing a full-screen display refresh on a display panel at a first refresh rate; meanwhile, setting a refresh factor to n, where n is a positive integer; refreshing the local area of the display panel at the second refresh rate; increasing the refresh factor by m, where m is a positive integer; determining whether the refresh factor is greater than or equal to a set value; if yes, performing the full-screen display refresh on the display panel at the first refresh rate; setting the refresh factor to n; and if no, continuing refreshing the same local area of the display panel at the second refresh rate; increasing the refresh factor by m, where the second refresh rate is greater than the first refresh rate, and the second refresh rate is an integer multiple of the first refresh rate.
    Type: Grant
    Filed: August 18, 2022
    Date of Patent: April 29, 2025
    Assignees: Hefei BOE Joint Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wenchao Bao, Zhidong Yuan, Xiaolong Wei, Min He, Huihui Li
  • Publication number: 20250095563
    Abstract: A display method, including: performing a full-screen display refresh on a display panel at a first refresh rate; meanwhile, setting a refresh factor to n, where n is a positive integer; refreshing the local area of the display panel at the second refresh rate; increasing the refresh factor by m, where m is a positive integer; determining whether the refresh factor is greater than or equal to a set value; if yes, performing the full-screen display refresh on the display panel at the first refresh rate; setting the refresh factor to n; and if no, continuing refreshing the same local area of the display panel at the second refresh rate; increasing the refresh factor by m, where the second refresh rate is greater than the first refresh rate, and the second refresh rate is an integer multiple of the first refresh rate.
    Type: Application
    Filed: August 18, 2022
    Publication date: March 20, 2025
    Inventors: Wenchao BAO, Zhidong YUAN, Xiaolong WEI, Min HE, Huihui LI
  • Publication number: 20250095585
    Abstract: A driving method and an apparatus, and a storage medium are provided. The driving method is applied to a pixel drive circuit, the pixel drive circuit including a drive transistor, the drive transistor including a second electrode and a third electrode; and the method includes: applying a data voltage acquired based on a reference gamma curve to the third electrode of the drive transistor, and applying a preset voltage to the second electrode of the drive transistor; a lowest voltage of the reference gamma curve is greater than a lowest voltage of a standard gamma curve, and the preset voltage is less than or equal to the lowest voltage of the reference gamma curve.
    Type: Application
    Filed: September 26, 2022
    Publication date: March 20, 2025
    Inventors: Yao ZHANG, Wenchao BAO, Xiaolong WEI, Miao LIU, Cheng XU, Qiang FEI
  • Publication number: 20250078746
    Abstract: Provided is a method for sensing pixel internal data in a display device. The method includes: sensing pixel internal data for each line of pixel units to determine column sequence numbers of suspected abnormal pixel units in the line of pixel units; determining, based on a number of the suspected abnormal pixel units of each column sequence number in the at least three lines of pixel units, whether a sensing signal line corresponding to the column sequence number is an abnormal sensing signal line; and in a case that there is at least one abnormal sensing signal line, replacing pixel internal data of a column of pixel units corresponding to each abnormal sensing signal line with pixel internal data of at least one column of pixel units adjacent to the abnormal sensing signal line each time the pixel internal data of all pixel units is sensed.
    Type: Application
    Filed: January 6, 2023
    Publication date: March 6, 2025
    Applicants: Hefei BOE Joint Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yao ZHANG, Wenchao BAO, Song MENG, Xiaolong WEI, Miao LIU, Cheng XU
  • Patent number: 12236882
    Abstract: The display panel includes a plurality of pixel units and a sense compensation circuit; and a pixel unit includes a plurality of sub-pixels; a sub-pixel includes a pixel drive circuit and an element to be driven; the display panel further includes: a detection unit and a compensator; the sense compensation circuit is configured to sense the electrical characteristics of said element at a non-active time; the detection unit is configured to detect whether dynamic and static attributes of a picture displayed in a previous preset time period are changed, and send a first notification to the compensator when the dynamic and static attributes are changed; the compensator is configured to receive the first notification and not, according to the sense result of the sense compensation circuit in the previous preset time period, compensate for a picture displayed in a next preset time period.
    Type: Grant
    Filed: August 2, 2023
    Date of Patent: February 25, 2025
    Assignees: Hefei BOE Joint Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Jian Mao, Song Meng, Xiaolong Wei, Miao Liu, Cheng Xu
  • Patent number: 12183281
    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.
    Type: Grant
    Filed: June 29, 2022
    Date of Patent: December 31, 2024
    Assignees: Hefei BOE Joint Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Min He, Xiaolong Wei, Song Meng, Qiang Fei, Jingbo Xu, Cheng Xu, Miao Liu, Pengfei Yin
  • Publication number: 20240402966
    Abstract: A display device includes: a display screen, a drive circuit, a first controller and a second controller. The display screen includes a first display region and a second display region. The drive circuit is configured to transmit a control signal to at least one of the first controller or the second controller. The first controller is configured to, responding to the control signal, perform a display control on the first display region. The second controller is configured to, responding to the control signal, perform a display control on the second display region. A display time difference between the first display region and the second display region is less than a threshold time period.
    Type: Application
    Filed: June 29, 2022
    Publication date: December 5, 2024
    Inventors: Xiaolong WEI, Wenchao BAO, Song MENG, Yao ZHANG, Miao LIU, Cheng XU, Jingbo XU
  • Publication number: 20240395205
    Abstract: The display panel includes a plurality of pixel units and a sense compensation circuit; and a pixel unit includes a plurality of sub-pixels; a sub-pixel includes a pixel drive circuit and an element to be driven; the display panel further includes: a detection unit and a compensator; the sense compensation circuit is configured to sense the electrical characteristics of said element at a non-active time; the detection unit is configured to detect whether dynamic and static attributes of a picture displayed in a previous preset time period are changed, and send a first notification to the compensator when the dynamic and static attributes are changed; the compensator is configured to receive the first notification and not, according to the sense result of the sense compensation circuit in the previous preset time period, compensate for a picture displayed in a next preset time period.
    Type: Application
    Filed: August 2, 2023
    Publication date: November 28, 2024
    Inventors: Jian MAO, Song MENG, Xiaolong WEI, Miao LIU, Cheng XU
  • Patent number: 12148374
    Abstract: A control device includes a memory and a processor. The memory is configured to store a time comparison table. The processor is configured to determine whether a displayed image is a still image. When the displayed image is determined to be a still image, the time comparison table is queried for a corresponding still image judgment duration according to an average pixel level and a type of the still image.
    Type: Grant
    Filed: July 21, 2021
    Date of Patent: November 19, 2024
    Assignees: Hefei BOE Joint Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xiaolong Wei, Song Meng, Jingbo Xu, Pan Li, Wenchao Bao
  • Patent number: 12118906
    Abstract: 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.
    Type: Grant
    Filed: May 28, 2021
    Date of Patent: October 15, 2024
    Assignees: Hefei BOE Joint Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xiaolong Wei, Fei Yang, Song Meng, Jingbo Xu, Jianbo Xian
  • Publication number: 20240321198
    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.
    Type: Application
    Filed: June 29, 2022
    Publication date: September 26, 2024
    Inventors: Min HE, Xiaolong WEI, Song MENG, Qiang FEI, Jingbo XU, Cheng XU, Miao LIU, Pengfei YIN
  • Patent number: 12046182
    Abstract: The present disclosure provides a compensation control method and a display device. The method includes in a standstill phase, controlling the display panel to stand still; after the standstill phase ends, sensing, by the timing controller, characteristic values of each row of the pixel circuits in the display panel in a time division manner by controlling the gate driver and the source driver; setting a black insertion time period between time periods for sensing characteristic values of different rows of pixel circuits, during the black insertion time period, controlling, by the timing controller, the gate driver and the source driver, to display a black picture on the display panel.
    Type: Grant
    Filed: November 15, 2021
    Date of Patent: July 23, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Fei Yang, Tangxiang Wang, Xiaolong Wei, Jingbo Xu, Jianbo Xian
  • Publication number: 20240212568
    Abstract: The present disclosure provides a compensation control method and a display device. The method includes in a standstill phase, controlling the display panel to stand still; after the standstill phase ends, sensing, by the timing controller, characteristic values of each row of the pixel circuits in the display panel in a time division manner by controlling the gate driver and the source driver; setting a black insertion time period between time periods for sensing characteristic values of different rows of pixel circuits, during the black insertion time period, controlling, by the timing controller, the gate driver and the source driver, to display a black picture on the display panel.
    Type: Application
    Filed: November 15, 2021
    Publication date: June 27, 2024
    Inventors: Fei YANG, Tangxiang WANG, Xiaolong WEI, Jingbo XU, Jianbo XIAN
  • Publication number: 20240169907
    Abstract: A control device includes a memory and a processor. The memory is configured to store a time comparison table. The processor is configured to determine whether a displayed image is a still image. When the displayed image is determined to be a still image, the time comparison table is queried for a corresponding still image judgment duration according to an average pixel level and a type of the still image.
    Type: Application
    Filed: July 21, 2021
    Publication date: May 23, 2024
    Inventors: Xiaolong WEI, Song MENG, Jingbo XU, Pan LI, Wenchao BAO
  • Publication number: 20240054925
    Abstract: 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.
    Type: Application
    Filed: May 28, 2021
    Publication date: February 15, 2024
    Inventors: Xiaolong WEI, Fei YANG, Song MENG, Jingbo XU, Jianbo XIAN
  • Publication number: 20230216007
    Abstract: A micro light-emitting device includes an epitaxial structure and a bridge connection structure. The epitaxial structure includes a first mesa surface and a second mesa surface which are located on the same side of the epitaxial structure with a height difference therebetween, which have the same widths in a first direction, and which respectively have center points in the first direction that are aligned in a second direction perpendicular to the first direction. The bridge connection structure includes a first bridge connection layer that is formed on the first and second mesa surfaces so as to be symmetrically disposed on at least one of the first and second mesa surfaces with a line of symmetry thereof being in the second direction and passing through the center points of the first and second mesa surfaces. A method for making the same, and a light-emitting apparatus including the same are also disclosed.
    Type: Application
    Filed: November 15, 2022
    Publication date: July 6, 2023
    Inventors: Yenchin WANG, Song YANG, Xiaolong WEI, Huanshao KUO, Yu-Ren PENG
  • Patent number: 11645978
    Abstract: The present disclosure provides method and device for processing compensation data to be applied to a pixel circuit, and a display panel. The method includes: receiving M compensation data; determining a first threshold range according to (i?N)-th to (i?1)-th standard data, wherein midpoint and length of the first threshold range both depend on the (i?N)-th to (i?1)-th standard data; judging whether an i-th compensation data is in the first threshold range or not; in response to the i-th compensation data being in the first threshold range, determining the i-th compensation data as qualified and using it as an i-th standard data; and in response to the i-th compensation data not being in the first threshold range, determining the i-th compensation data as unqualified, replacing it with an average value of the (i?N)-th to (i?1)-th standard data, and using the replaced i-th compensation data as the i-th standard data.
    Type: Grant
    Filed: December 9, 2020
    Date of Patent: May 9, 2023
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wenchao Bao, Xiaolong Wei
  • Patent number: 11335266
    Abstract: 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.
    Type: Grant
    Filed: September 29, 2019
    Date of Patent: May 17, 2022
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Song Meng, Fei Yang, Chun Cao, Xiaolong Wei
  • Publication number: 20220122539
    Abstract: The present disclosure provides method and device for processing compensation data to be applied to a pixel circuit, and a display panel. The method includes: receiving M compensation data; determining a first threshold range according to (i?N)-th to (i?1)-th standard data, wherein midpoint and length of the first threshold range both depend on the (i?N)-th to (i?1)-th standard data; judging whether an i-th compensation data is in the first threshold range or not; in response to the i-th compensation data being in the first threshold range, determining the i-th compensation data as qualified and using it as an i-th standard data; and in response to the i-th compensation data not being in the first threshold range, determining the i-th compensation data as unqualified, replacing it with an average value of the (i?N)-th to (i?1)-th standard data, and using the replaced i-th compensation data as the i-th standard data.
    Type: Application
    Filed: December 9, 2020
    Publication date: April 21, 2022
    Inventors: Wenchao BAO, Xiaolong WEI
  • Patent number: 11308867
    Abstract: A method for processing a display image in an image display region, a display image processing device, a display device, and a storage medium are disclosed. A part of the image display region or all of the image display region is a movable region, and the method for processing the display image includes: in a case where the movable region is moved from a first position to a second position, obtaining a first image feature value of the display image displayed in the image display region where the movable region is at the first position; obtaining a second image feature value of the display image displayed in the image display region where the movable region is at the second position; and determining whether the display image displayed in the image display region is a static image based on the first image feature value and the second image feature value.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: April 19, 2022
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Xiaolong Wei