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).
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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Patent number: 11783756Abstract: The display driving circuit includes: a first timing controller, a second timing controller and a selector circuit having a first signal receiving end connected to the first timing controller and receiving a level signal therefrom, a second signal receiving end connected to the second timing controller and receiving a level signal therefrom, a data connection end connected to a data line and output a level signal thereon to the data line, and a reference voltage end. The selector circuit is configured to choose to, in a row scanning stage, control the reference voltage end and the data connection end to be connected in response to the level signal from the first timing controller; and at least choose to, in a two-adjacent-row scanning gap stage, control them to be connected in response to the level signal from the second timing controller.Type: GrantFiled: June 27, 2023Date of Patent: October 10, 2023Assignee: HKC CORPORATION LIMITEDInventors: Mancheng Zhou, Haoxuan Zheng
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Publication number: 20230290315Abstract: An electrophoretic display device and a method for electrophoretic display refreshing are provided in the disclosure. The electrophoretic display device includes a display screen, a driving circuit, a driving control circuit, and a processor. The display screen includes multiple pixel units. The driving circuit is configured to generate multiple first data-voltage signals at a first time and multiple second data-voltage signals at a second time. The processor is configured to obtain and compare one of the multiple first data-voltage signals and one of the multiple second data-voltage signals that both are to be received by a same pixel unit of the multiple pixel units, to obtain a comparison result, and the processor is configured to control, according to the comparison result, the driving circuit and the driving control circuit to drive the pixel unit to work.Type: ApplicationFiled: December 28, 2022Publication date: September 14, 2023Applicant: HKC Corporation LimitedInventors: Mancheng ZHOU, Haoxuan ZHENG
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Publication number: 20230282166Abstract: A display panel and a drive circuit of the same are provided. The drive circuit includes multiple drive circuit rows. Each of the drive circuit rows includes multiple pixel drive circuits and a signal processing circuit. According to the drive circuit, a signal processing circuit can obtain a drive signal by processing a scan signal and a light-emitting control signal of a drive circuit row to which the signal processing circuit belongs, and can output the drive signal to each pixel drive circuit in the drive circuit row to which the signal processing circuit belongs; a pixel drive circuit can form a capacitor-reset loop by multiplexing a first switch tube in a light-emitting element reset loop of the pixel drive circuit, a second switch tube in a data-writing loop of the pixel drive circuit, and a third switch tube in a light-emitting loop of the pixel drive circuit.Type: ApplicationFiled: December 29, 2022Publication date: September 7, 2023Applicant: HKC Corporation LimitedInventors: Mancheng ZHOU, Yuanping ZHANG, Shuang WANG, Peng REN, Hao TANG, Xinghan LIU, Haijiang YUAN
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Patent number: 11749204Abstract: A display panel and a drive circuit of the same are provided. The drive circuit includes multiple drive circuit rows. Each of the drive circuit rows includes multiple pixel drive circuits and a signal processing circuit. According to the drive circuit, a signal processing circuit can obtain a drive signal by processing a scan signal and a light-emitting control signal of a drive circuit row to which the signal processing circuit belongs, and can output the drive signal to each pixel drive circuit in the drive circuit row to which the signal processing circuit belongs; a pixel drive circuit can form a capacitor-reset loop by multiplexing a first switch tube in a light-emitting element reset loop of the pixel drive circuit, a second switch tube in a data-writing loop of the pixel drive circuit, and a third switch tube in a light-emitting loop of the pixel drive circuit.Type: GrantFiled: December 29, 2022Date of Patent: September 5, 2023Assignee: HKC CORPORATION LIMITEDInventors: Mancheng Zhou, Yuanping Zhang, Shuang Wang, Peng Ren, Hao Tang, Xinghan Liu, Haijiang Yuan
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Publication number: 20230215366Abstract: Disclosed is a driving method for display unit, a display panel and a display device, a reset circuit is formed by a reset signal, a charging circuit is formed by a charging signal, and a light emitting circuit is formed by a light emitting signal, that is, the circuit in the display device is multiplexed by each control signal, so that it does not need to design a circuit for each function to realize the driving of the display unit, solving the complex problem of driving the display unit in the relevant technology.Type: ApplicationFiled: December 30, 2022Publication date: July 6, 2023Applicants: Chongqing HKC Optoelectronics Technology Co., Ltd., HKC CORPORATION LIMITEDInventors: Mancheng ZHOU, Rongrong LI
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Patent number: 11562698Abstract: A display panel includes multiple pixel units that are arranged regularly. A pixel circuit is connected with a scanning signal line and a data signal line. The pixel circuit receives a data voltage transmitted by the data signal line and outputs a corresponding current to a light emitting device under a control of the scanning signal line. When a first light emitting unit is in a black state, the data signal line provides a reference black state voltage to a pixel circuit of the first light emitting unit. The driving method of the display panel includes: providing, by the data signal line, a first black state voltage to a pixel circuit of a second light emitting unit when the first light emitting unit emits light and the second light emitting unit is in the black state. The first black state voltage is less than the reference black state voltage.Type: GrantFiled: June 12, 2020Date of Patent: January 24, 2023Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Tsanghong Wang, Guixiang Zhu, Hsinwei Huang, Mancheng Zhou, Yao Liang
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Patent number: 11482186Abstract: The application discloses a driving method and a driver circuit for a display panel, where the driving method includes the following steps: starting a source electrode driver circuit, outputting OV voltage, and simultaneously enabling a common line to output 0 V voltage or be disconnected; outputting, a preset initial voltage by the source electrode driver circuit, and simultaneously enabling the common line to output the identical initial voltage; after starting the source electrode driver circuit, transmitting a gray-scale voltage to the display panel; meanwhile, controlling a gamma circuit of the display panel to output a preset common voltage to the common line through a common voltage line.Type: GrantFiled: June 9, 2020Date of Patent: October 25, 2022Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Mancheng Zhou