Patents by Inventor Mancheng ZHOU
Mancheng ZHOU 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).
-
Publication number: 20240290242Abstract: A driving method of a display device and a display device are disclosed. The display device includes multiple scan lines, multiple data lines, and multiple LED lights driven by the multiple scan lines and data lines. The multiple LED lights are arranged in multiple rows and columns. An anode of each LED is connected to the respective scan line. A cathode of each LED is connected to the respective data line. The driving method includes: obtaining a compensated display grayscale corresponding to an LED in an instant row based on a display grayscale of an LED in the previous row, a display grayscale of the LED in the instant row, and a display grayscale compensation table; obtaining corresponding driving parameters according to the compensated display grayscale corresponding to the LED in the instant row; and controlling the LED in the instant row to display according to the driving parameters.Type: ApplicationFiled: July 18, 2023Publication date: August 29, 2024Inventors: MANCHENG ZHOU, Rongrong Li
-
Publication number: 20240282239Abstract: A gamma voltage generator, a display device, and a driving method of a display panel. The gamma voltage generator includes a control module, a data storage module, a digital-to-analog conversion module, and an output module which are electrically connected in sequence. The data storage module includes at least a first data memory and a second data memory. The first memory is configured to store and output a first digital signal to enable the output module to output a first gamma voltage in a first operating phase of the display panel. The second memory is configured to store and output a second digital signal to enable the output module to output a second gamma voltage in a second operating phase of the display panel. The first operating phase and a second operating phase are divided in accordance with a chronological order.Type: ApplicationFiled: July 3, 2023Publication date: August 22, 2024Inventors: Mancheng ZHOU, Haijiang Yuan
-
Patent number: 12051349Abstract: A display panel adjustment method, display apparatus and storage medium. Detecting whether a persistence is created on a display panel by displaying a preset detection screen, locating all zones where a persistence has appeared in case where the persistence has been created on the display panel, and determining a target gate line which probably causes the persistence to appear on the display panel; by shortening the turn-on time of a target gate line, it is possible to decrease the probability of a parasitic capacitor being formed on the target gate line, or may decrease the charge held in the parasitic capacitor formed on the target gate line, and may further increase the discharge time of the parasitic capacitor, so as to mitigate or eliminate the persistence, and improve the display effect.Type: GrantFiled: June 24, 2022Date of Patent: July 30, 2024Assignee: HKC CORPORATION LIMITEDInventors: Mancheng Zhou, Zhi Xiong, Baohong Kang
-
Publication number: 20240233661Abstract: An electronic ink screen and a driving method thereof are disclosed. The driving method includes: in an image of a current page, sequentially receiving by each pixel a first reset voltage and an image voltage; in an image of a next page, sequentially receiving by each pixel a second reset voltage and an image voltage of the next page. The first reset voltage is used to reset the grayscale of the pixel from an original grayscale to a black grayscale. The image voltages are used to raise the grayscale of the pixel from a white grayscale or black grayscale to a target grayscale. Then the pixel displays according to the image voltage.Type: ApplicationFiled: July 5, 2023Publication date: July 11, 2024Inventors: MANCHENG ZHOU, Baohong Kang
-
Patent number: 12033579Abstract: A pixel drive circuit, a resistance compensation method and a display panel are disclosed, wherein the compensation circuit in the pixel drive circuit is configured to compensate the resistance from the data line to the control end of the drive switch, so that the resistance of the data line to the control end of the drive switch in different pixel rows tend to be consistent, thus the efficiency of the same data line when charging the pixels in the pixel row at the far end is consistent with the efficiency at the near end.Type: GrantFiled: June 29, 2023Date of Patent: July 9, 2024Assignee: HKC CORPORATION LIMITEDInventors: Mancheng Zhou, Yuanping Zhang, Haijiang Yuan
-
Publication number: 20240212611Abstract: A pixel drive circuit, a resistance compensation method and a display panel are disclosed, wherein the compensation circuit in the pixel drive circuit is configured to compensate the resistance from the data line to the control end of the drive switch, so that the resistance of the data line to the control end of the drive switch in different pixel rows tend to be consistent, thus the efficiency of the same data line when charging the pixels in the pixel row at the far end is consistent with the efficiency at the near end.Type: ApplicationFiled: June 29, 2023Publication date: June 27, 2024Applicant: HKC CORPORATION LIMITEDInventors: Mancheng ZHOU, Yuanping ZHANG, Haijiang YUAN
-
Patent number: 12020659Abstract: An image display method and a display device are provided. The driving module is coupled with multiple pixel units in the display panel and provides a driving voltage according to display data to define an electric field to display an image. For each of the multiple pixel units, an image is displayed under an electric field defined by a first driving voltage corresponding to first display data during a display period of a first frame image. Reset data is output by the driving module to said each of the multiple pixel units. A reset voltage corresponding to the reset data provides an electric field for said each of the multiple pixel units. An image is displayed under an electric field defined by a second driving voltage corresponding to second display data during a display period of a second frame image.Type: GrantFiled: December 29, 2022Date of Patent: June 25, 2024Assignee: HKC CORPORATION LIMITEDInventors: Mancheng Zhou, Haijiang Yuan
-
Patent number: 11922897Abstract: A data driving circuit, a display module, and a display device are provided. The data driving circuit is configured to drive a display device to display different grayscale images. The voltage-dividing circuit includes 2n voltage-dividing signal terminals arranged sequentially from low to high voltage. The switching circuit includes 2n switching sub-circuits. Each of the 2n switching sub-circuits includes a receiving terminal, a first output terminal, and a second output terminal. The receiving terminal is electrically coupled to the voltage-dividing signal terminal. The voltage selecting circuit includes 2n selecting signal terminals. Each of the 2n selecting signal terminals is electrically coupled with the first output terminal of one of the 2n switching sub-circuits and the second output terminal of one of the 2n switching sub-circuits.Type: GrantFiled: December 29, 2022Date of Patent: March 5, 2024Assignee: HKC CORPORATION LIMITEDInventors: Mancheng Zhou, Haoxuan Zheng
-
Publication number: 20240071296Abstract: A driving method and a driving device of a display panel, and a display device are provided. The driving method includes: receiving a video signal transmitted by an external processor; transmitting a first scanning signal to a current row of pixels in response to a first gray-scale value of each of the current row of pixels of the display panel corresponding to the video signal being greater than a preset gray-scale value; transmitting a second scanning signal to a next row of pixels of the display panel; and transmitting, based on the first gray-scale value, a data signal to the display panel and driving the display panel to display the video signal.Type: ApplicationFiled: October 24, 2023Publication date: February 29, 2024Inventors: Mancheng ZHOU, Haoxuan Zheng
-
Patent number: 11915663Abstract: A common voltage driving circuit, a display device, and an electronic device are provided. The common voltage driving circuit includes multiple scan lines and multiple common-voltage signal lines, and further includes multiple common electrode units arranged in an array. The multiple scan lines extend in a first direction and are arranged at intervals in sequence in a second direction perpendicular to the first direction. The multiple common-voltage signal lines extend in the second direction and are arranged at intervals in sequence in the first direction. The multiple common electrode units are disposed at intersections of the multiple scan lines and the multiple common-voltage signal lines respectively. Common electrode units in a same column are all electrically coupled with a same common-voltage signal line. Common electrode units in a same row are all electrically coupled with a same second scan line.Type: GrantFiled: December 29, 2022Date of Patent: February 27, 2024Assignee: HKC CORPORATION LIMITEDInventors: Mancheng Zhou, Yuanping Zhang, Rongrong Li
-
Publication number: 20240054926Abstract: A display panel adjustment method, display apparatus and storage medium. Detecting whether a persistence is created on a display panel by displaying a preset detection screen, locating all zones where a persistence has appeared in case where the persistence has been created on the display panel, and determining a target gate line which probably causes the persistence to appear on the display panel; by shortening the turn-on time of a target gate line, it is possible to decrease the probability of a parasitic capacitor being formed on the target gate line, or may decrease the charge held in the parasitic capacitor formed on the target gate line, and may further increase the discharge time of the parasitic capacitor, so as to mitigate or eliminate the persistence, and improve the display effect.Type: ApplicationFiled: June 24, 2022Publication date: February 15, 2024Applicant: HKC CORPORATION LIMITEDInventors: Mancheng ZHOU, Zhi XIONG, Baohong KANG
-
Patent number: 11887556Abstract: A data driving circuit, a display module, and a display device are provided. The data driving circuit at least includes a selecting unit and a signal conversion unit. The selecting unit is configured to directly output an image signal received to the signal conversion unit, or invert the image signal and then transmit the image signal inverted to the signal conversion unit. The control signal represents a display mode of a pixel unit that receives the image signal and perform image display according to the image signal. The signal conversion unit is configured to convert the image signal into a grayscale voltage in an analog form. The grayscale voltage is transmitted to the pixel unit to perform image display.Type: GrantFiled: December 16, 2022Date of Patent: January 30, 2024Assignee: HKC CORPORATION LIMITEDInventors: Mancheng Zhou, Shuang Wang, Rongrong Li
-
Publication number: 20240005872Abstract: A pixel array and a display panel are provided in the disclosure. The pixel array includes multiple scan lines, multiple emission lines, multiple data lines, and multiple pixel units, where the multiple data lines are insulated from the plurality of scan lines and the multiple emission lines, each of the multiple pixel units includes a first pixel sub-unit, a second pixel sub-unit, and a third pixel sub-unit, second pixel sub-units and/or third pixel sub-units in the same row are electrically coupled with the same scan line and the same emission line and first pixel sub-units in the same row are electrically coupled with another scan line and another emission line, and first pixel sub-units, and/or third pixel sub-units, and/or second pixel sub-units in the same column are electrically coupled with the same data line.Type: ApplicationFiled: December 27, 2022Publication date: January 4, 2024Applicant: HKC Corporation LimitedInventors: Mancheng ZHOU, Xinghan LIU, Baohong KANG
-
Publication number: 20230402466Abstract: An array substrate includes a plurality of TFT switches arranged in an array and a scan driver circuit. In each row of TFT switches, a plurality of TFT switches form a first group of switches, and the rest of the TFT switches form a second group of switches. The scan driver circuit outputs first and second scan signals for each row of the TFT switches. The first group of switches receives the first scan signal, and the second group of switches receives the second scan signal. When a static image is displayed, the first scan signal or the second scan signal is an off signal to turn off the first or second group of switches.Type: ApplicationFiled: December 21, 2022Publication date: December 14, 2023Inventors: Mancheng Zhou, Yuanping Zhang, Shuang Wang, Haijian Yuan
-
Patent number: 11830420Abstract: Disclosed are a display panel, a driving method and a display device. The method includes generating, by the delay component, the gate control signal and sending the gate control signal to corresponding micron-level light-emitting components; and in response to that the gate control signal is detected to meet a voltage condition, intercepting, by each of the micron-level light-emitting components, a column data signal in the column pipe control component based on the gate control signal, and driving a sub-pixel based on the column data signal.Type: GrantFiled: June 1, 2023Date of Patent: November 28, 2023Assignee: HKC CORPORATION LIMITEDInventors: Mancheng Zhou, Rongrong Li
-
Publication number: 20230377527Abstract: A common voltage driving circuit, a display device, and an electronic device are provided. The common voltage driving circuit includes multiple scan lines and multiple common-voltage signal lines, and further includes multiple common electrode units arranged in an array. The multiple scan lines extend in a first direction and are arranged at intervals in sequence in a second direction perpendicular to the first direction. The multiple common-voltage signal lines extend in the second direction and are arranged at intervals in sequence in the first direction. The multiple common electrode units are disposed at intersections of the multiple scan lines and the multiple common-voltage signal lines respectively. Common electrode units in a same column are all electrically coupled with a same common-voltage signal line. Common electrode units in a same row are all electrically coupled with a same second scan line.Type: ApplicationFiled: December 29, 2022Publication date: November 23, 2023Applicant: HKC Corporation LimitedInventors: Mancheng ZHOU, Yuanping ZHANG, Rongrong LI
-
Publication number: 20230377531Abstract: A data driving circuit, a display module, and a display device are provided. The data driving circuit at least includes a selecting unit and a signal conversion unit. The selecting unit is configured to directly output an image signal received to the signal conversion unit, or invert the image signal and then transmit the image signal inverted to the signal conversion unit. The control signal represents a display mode of a pixel unit that receives the image signal and perform image display according to the image signal. The signal conversion unit is configured to convert the image signal into a grayscale voltage in an analog form. The grayscale voltage is transmitted to the pixel unit to perform image display.Type: ApplicationFiled: December 16, 2022Publication date: November 23, 2023Inventors: Mancheng ZHOU, Shuang WANG, Rongrong LI
-
Publication number: 20230377530Abstract: A data driving circuit, a display module, and a display device are provided. The data driving circuit is configured to drive a display device to display different grayscale images. The voltage-dividing circuit includes 2n voltage-dividing signal terminals arranged sequentially from low to high voltage. The switching circuit includes 2n switching sub-circuits. Each of the 2n switching sub-circuits includes a receiving terminal, a first output terminal, and a second output terminal. The receiving terminal is electrically coupled to the voltage-dividing signal terminal. The voltage selecting circuit includes 2n selecting signal terminals. Each of the 2n selecting signal terminals is electrically coupled with the first output terminal of one of the 2n switching sub-circuits and the second output terminal of one of the 2n switching sub-circuits.Type: ApplicationFiled: December 29, 2022Publication date: November 23, 2023Applicant: HKC Corporation LimitedInventors: Mancheng ZHOU, Haoxuan ZHENG
-
Publication number: 20230343301Abstract: An image display method and a display device are provided. The driving module is coupled with multiple pixel units in the display panel and provides a driving voltage according to display data to define an electric field to display an image. For each of the multiple pixel units, an image is displayed under an electric field defined by a first driving voltage corresponding to first display data during a display period of a first frame image. Reset data is output by the driving module to said each of the multiple pixel units. A reset voltage corresponding to the reset data provides an electric field for said each of the multiple pixel units. An image is displayed under an electric field defined by a second driving voltage corresponding to second display data during a display period of a second frame image.Type: ApplicationFiled: December 29, 2022Publication date: October 26, 2023Applicant: HKC Corporation LimitedInventors: Mancheng ZHOU, Haijiang YUAN
-
Patent number: 11790865Abstract: An image processing method and apparatus, a storage medium, and a display device are provided in the present disclosure. The image processing method is used for image processing on the display device. The method includes the following. Target image data is received. Picture detection is performed on the target image data. Polarity adjustment is executed on a signal transmission line of the display device when the target image data satisfies a first grayscale-condition and/or a first area-condition. Exit polarity adjustment when the target image data satisfies a second grayscale-condition or a second area-condition, where a condition range in which the second grayscale-condition is satisfied is less than a condition range in which the first grayscale-condition is not satisfied, and a range in which the second area-condition is satisfied is less than a range in which the first area-condition is not satisfied. A non-transitory computer-readable storage medium and a display device are provided.Type: GrantFiled: June 29, 2023Date of Patent: October 17, 2023Assignee: HKC CORPORATION LIMITEDInventors: Mancheng Zhou, Zhi Xiong, Baohong Kang