Patents by Inventor Zhaohui MENG

Zhaohui MENG 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: 20240127768
    Abstract: The application provides a brightness detection method, a computer device and a readable medium, where the brightness detection method includes: using each of display modules in a display module production line as a test module separately, where the test module is provided with a photosensitive sensor; obtaining a brightness algorithm formula of the photosensitive sensor of each of the test module; and performing, according to the brightness algorithm formula, ambient light detection by the photosensitive sensor.
    Type: Application
    Filed: January 29, 2022
    Publication date: April 18, 2024
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yilin Feng, Zhaohui Meng, Yuxin Bi, Zhengri Lin, Yang Gao
  • Patent number: 11948489
    Abstract: A display panel, a display device and a driving method. The display panel includes a display region and a peripheral region. The display region includes a subpixel unit array having a plurality of rows and a plurality of columns of subpixel units, and the peripheral region includes a gate drive circuit. The display region further includes a plurality of gate lines and a plurality of data lines. The gate drive circuit comprises a plurality of shift register units, and the plurality of gate lines are electrically connected with the plurality of shift register units. The gate drive circuit comprises two shift-register-unit scanning groups, in the shift-register-unit scanning groups, a (k+1)th shift register unit and a (k)th shift register unit form one shift register unit group.
    Type: Grant
    Filed: April 20, 2023
    Date of Patent: April 2, 2024
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhaohui Meng, Wei Sun, Wenchao Han, Hong Yang, Lin Cong, Wenjun Xiao
  • Publication number: 20240067582
    Abstract: The present disclosure provides for compositions, slow-release fertilizer composition, methods of making these compositions, and the like. The present disclosure can be advantageous in some instances since it can achieve multiple goals, where in one aspect, the 5 modified lignin is used to prepare materials with strong adsorption capacity to the heavy metals, and then the material is used to coat fertilizer to prepare controlled-release fertilizer. The application of embodiments of the coated fertilizer in soil not only control the release of nutrients and improve the fertilizer use efficiency, but also effectively adsorb heavy metals in soil and repair the polluted soil.
    Type: Application
    Filed: December 20, 2021
    Publication date: February 29, 2024
    Inventors: Yuncong Li, Shanyu Meng, Zhaohui Tong, Shugang Zhang
  • Publication number: 20240073558
    Abstract: An embodiment of the present disclosure provides a virtual image display system, including: a photoelectric conversion part for receiving an optical image signal and converting the optical image signal into a current signal; a voltage conversion part electrically connected to the photoelectric conversion part, for receiving the current signal and converting the current signal into a voltage signal; and a display part electrically connected to the voltage conversion part, for receiving the voltage signal and displaying an image according to the voltage signal.
    Type: Application
    Filed: May 11, 2021
    Publication date: February 29, 2024
    Inventors: Zhaohui MENG, Xue DONG, Wei SUN, Yongzhong ZHANG
  • Publication number: 20230260442
    Abstract: A display panel, a display device and a driving method. The display panel includes a display region and a peripheral region. The display region includes a subpixel unit array having a plurality of rows and a plurality of columns of subpixel units, and the peripheral region includes a gate drive circuit. The display region further includes a plurality of gate lines and a plurality of data lines. The gate drive circuit comprises a plurality of shift register units, and the plurality of gate lines are electrically connected with the plurality of shift register units. The gate drive circuit comprises two shift-register-unit scanning groups, in the shift-register-unit scanning groups, a (k+1)th shift register unit and a (k)th shift register unit form one shift register unit group.
    Type: Application
    Filed: April 20, 2023
    Publication date: August 17, 2023
    Inventors: Zhaohui MENG, Wei SUN, Wenchao HAN, Hong YANG, Lin CONG, Wenjun XIAO
  • Patent number: 11715401
    Abstract: A display panel, a display device and a driving method. The display panel includes a display region and a peripheral region. The display region includes a subpixel unit array having a plurality of rows and a plurality of columns of subpixel units, and the peripheral region includes a gate drive circuit. The display region further includes a plurality of gate lines and a plurality of data lines. Each subpixel unit is driven by a scanning signal provided by one gate and a data signal provided by one data line, and a same data line is connected with at least two subpixel units which are not adjacent to each other and have a same color. The gate drive circuit includes a plurality of shift register units, and the plurality of gate lines are electrically connected with the plurality of shift register units in a one-to-one correspondence in order.
    Type: Grant
    Filed: July 31, 2019
    Date of Patent: August 1, 2023
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhaohui Meng, Wei Sun, Wenchao Han, Hong Yang, Lin Cong, Wenjun Xiao
  • Patent number: 11651715
    Abstract: The present disclosure provides a charging circuitry, a display device, a wearable device, a display driving method and a display driving device. The charging circuitry includes: a driving sub-circuitry configured to receive an image signal and convert the image signal into a display driving signal to be outputted to a data line of the array substrate; a circuitry power supply voltage end configured to apply a direct current voltage to the driving sub-circuitry; and a switch sub-circuitry arranged on a connection circuitry between the circuitry power supply voltage end and the driving sub-circuitry, and configured to be switched between a first state where the circuitry power supply voltage end is electrically coupled to the driving sub-circuitry and a second state where the circuitry power supply voltage end is electrically decoupled from the driving sub-circuitry.
    Type: Grant
    Filed: May 19, 2021
    Date of Patent: May 16, 2023
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yilin Feng, Wei Sun, Lianghao Zhang, Xin Duan, Wenchao Han, Zhaohui Meng, Li Tian, Xinle Wang
  • Publication number: 20230068347
    Abstract: A virtual surround sound production circuit includes: a subtraction unit configured to perform subtraction operation on first and second signals to output a third signal; a first addition unit configured to perform addition operation on the first and second signals to output a center channel signal; a surround sound adjustment unit configured to adjust the third signal or another third signal that has undergone frequency compensation to output a fourth signal; a center compensation unit configured to adjust the center channel signal to output a fifth signal; a second addition unit configured to perform addition operation on the first, fourth and fifth signals to output a first output signal; a phase inverter unit configured to perform phase inversion on the fourth signal to generate a phase-inverted signal; and a third addition unit configured to perform addition operation on the second, fifth and phase-inverted signals to output a second output signal.
    Type: Application
    Filed: May 24, 2021
    Publication date: March 2, 2023
    Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhaohui MENG, Jing LIU, Wei SUN, Li TIAN
  • Publication number: 20230032344
    Abstract: Touch display device and power supply control method are provided. The touch display device includes power supply module including: power supply control circuit; power management chip provides touch operation processing circuit, touch display control driver circuit and touch integrated circuit with operating voltage; the touch operation processing circuit provides first control signal to control signal output terminal when the touch display device is in sleep-state, to enable the power supply control circuit to supply power to the power management chip via second power supply terminal under control of the first control signal; and provides second control signal to the control signal output terminal when the touch display device is in the sleep-state and the touch display panel is touched, to enable the power supply control circuit to supply power to the power management chip via first power supply terminal under control of the second control signal.
    Type: Application
    Filed: September 14, 2021
    Publication date: February 2, 2023
    Inventors: Zhaohui MENG, Wei SUN, Lin CONG, Cuilan HUANG, Jingpeng ZHAO
  • Patent number: 11543911
    Abstract: A driving method, a driving circuit and a touch-display apparatus are provided. The driving method includes providing a gate driving signal to a gate line, providing a pixel voltage to a data line, and providing a common electrode driving signal to a common electrode, wherein a pixel display operation is performed based on the gate driving signal, the pixel voltage, and the common electrode driving signal, and simultaneously, a touch detection operation is performed based on the common electrode driving signal. The driving method realizes the effect of simultaneously performing a pixel display operation and a touch detection operation, and solves the problem that the pixel display operation of the touch-display apparatus is affected in the touch detection stage.
    Type: Grant
    Filed: April 30, 2019
    Date of Patent: January 3, 2023
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yilin Feng, Wei Sun, Wenchao Han, Zhaohui Meng, Xinle Wang, Yan Yang, Lianghao Zhang, Xiaoyang Shen
  • Patent number: 11543915
    Abstract: A touch detection method includes: scanning a reference scan region according to a first control protocol to collect initial touch signals including an initial trigger signal; determining position information of a starting point according to the initial touch signals; reporting the position information of the starting point; switching the first control protocol to a second control protocol; and performing following operations at least once: determining a current target scan region, scanning the current target scan region according to the second control protocol to collect current touch signals including a current trigger signal, determining position information of a touch point according to the current touch signals, and reporting the position information of the touch point. An area of the current target scan region is less than an area of the reference scan region.
    Type: Grant
    Filed: May 19, 2021
    Date of Patent: January 3, 2023
    Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., Beijing BOE Technology Development Co., Ltd.
    Inventors: Zhaohui Meng, Wei Sun, Lin Cong
  • Publication number: 20220413649
    Abstract: The present disclosure provides a touch display driving module, a touch display driving method, and a display device. The touch display driving module includes a touch detection chip and a time sequence touch control chip. The time sequence touch control chip is configured to perform data calculation in accordance with a touch data signal to generate touch point coordinate information, generate touch point image information in accordance with the touch point coordinate information, and display the touch point image on a display screen in accordance with the touch point image information. The touch point coordinate information is information carrying coordinates of a touch point, the touch point image is an image showing that the touch point is touched, and the touch point image information is display information corresponding to the touch point image.
    Type: Application
    Filed: May 18, 2021
    Publication date: December 29, 2022
    Inventors: Hong YANG, Zhaohui MENG
  • Publication number: 20220383787
    Abstract: A display panel, a display device and a driving method. The display panel includes a display region and a peripheral region. The display region includes a subpixel unit array having a plurality of rows and a plurality of columns of subpixel units, and the peripheral region includes a gate drive circuit. The display region further includes a plurality of gate lines and a plurality of data lines. Each subpixel unit is driven by a scanning signal provided by one gate and a data signal provided by one data line, and a same data line is connected with at least two subpixel units which are not adjacent to each other and have a same color. The gate drive circuit includes a plurality of shift register units, and the plurality of gate lines are electrically connected with the plurality of shift register units in a one-to-one correspondence in order.
    Type: Application
    Filed: July 31, 2019
    Publication date: December 1, 2022
    Inventors: Zhaohui MENG, Wei SUN, Wenchao HAN, Hong YANG, Lin CONG, Wenjun XIAO
  • Patent number: 11508325
    Abstract: The present disclosure provides a pixel structure, a method of driving the same and a display device. The pixel structure includes gate lines, data lines, and a plurality of subpixels arranged in an array form. Subpixels in each row correspond to two gate lines. Each data line corresponds to the subpixels in two adjacent columns, and each data line is arranged between the two adjacent columns of subpixels. Among the subpixels in each row, three adjacent subpixels are in different colors and forms a complete pixel unit. Among the subpixels in each column, three adjacent subpixels are in different colors and forms the complete pixel unit. Among the subpixels in two adjacent columns, the subpixels in two adjacent rows form two complete pixel units each including three subpixels, and two of the three subpixels are shared by the two pixel unit.
    Type: Grant
    Filed: December 26, 2019
    Date of Patent: November 22, 2022
    Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Jingchao Yuan, Zhaohui Meng, Wenchao Han, Wei Sun, Xue Dong, Ming Chen
  • Publication number: 20220358868
    Abstract: The present disclosure provides a charging circuitry, a display device, a wearable device, a display driving method and a display driving device. The charging circuitry includes: a driving sub-circuitry configured to receive an image signal and convert the image signal into a display driving signal to be outputted to a data line of the array substrate; a circuitry power supply voltage end configured to apply a direct current voltage to the driving sub-circuitry; and a switch sub-circuitry arranged on a connection circuitry between the circuitry power supply voltage end and the driving sub-circuitry, and configured to be switched between a first state where the circuitry power supply voltage end is electrically coupled to the driving sub-circuitry and a second state where the circuitry power supply voltage end is electrically decoupled from the driving sub-circuitry.
    Type: Application
    Filed: May 19, 2021
    Publication date: November 10, 2022
    Inventors: Yilin FENG, Wei SUN, Lianghao ZHANG, Xin DUAN, Wenchao HAN, Zhaohui MENG, Li TIAN, Xinle WANG
  • Patent number: 11410616
    Abstract: A backlight driving method and device of a display panel, and a display panel are provided. The backlight driving method of a display panel includes generating a synchronous drive frame and performing black frame insertion control according to a synchronous drive frame, the synchronous drive frame includes a first time region and a second time region, in the synchronous drive frame, a PWM light-adjusting signal is not output in the first time region and the PWM light-adjusting signal is output in the second time region, the first time region corresponds to line scan time, and the second time region corresponds to liquid crystal stabilization time.
    Type: Grant
    Filed: November 21, 2017
    Date of Patent: August 9, 2022
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhaohui Meng, Hao Zhang, Dong Chen
  • Patent number: 11344211
    Abstract: Embodiments of a system and method for heart rate monitoring are generally described herein. A method may include receiving, at a device, a spectrogram including a plurality of bins of represented frequencies corresponding to potential heart rate measurements, selecting a bin of frequencies from the plurality of bins of represented frequencies with an average power that exceeds average powers of remaining bins of frequencies of the plurality of bins of represented frequencies, determining whether a frequency of the bin of frequencies represents a valid heart rate based on the average power and a past valid heart rate, and in response to determining that the frequency represents a valid heart rate, outputting a heart rate corresponding to the frequency.
    Type: Grant
    Filed: December 23, 2015
    Date of Patent: May 31, 2022
    Assignee: Intel Corporation
    Inventors: Tingqian Li, Zhaohui Meng, Jinkui Ren
  • Publication number: 20220106209
    Abstract: The present invention relates to a solid precipitation apparatus and a solid precipitation process, wherein said apparatus and said process, particularly when used for the desalination of a high-salinity wastewater, can meet the requirement of stable operation for a long period, can realize efficient removal of salts from the wastewater, and solve the problems of difficult desalination of high-salinity wastewater, easy blockage, and the like. The solid precipitation apparatus comprises a housing, an inlet for a stream, a discharging outlet, and a support disposed in an inner chamber of said housing, wherein the configuration of said support is suitable for a solid substance to be deposited and loaded thereon.
    Type: Application
    Filed: December 27, 2019
    Publication date: April 7, 2022
    Inventors: Tong ZHOU, Xiangchen FANG, Hongshan GUO, Tao YANG, Guangan JIANG, Zhaohui MENG
  • Publication number: 20220066591
    Abstract: A touch detection method includes: scanning a reference scan region according to a first control protocol to collect initial touch signals including an initial trigger signal; determining position information of a starting point according to the initial touch signals; reporting the position information of the starting point; switching the first control protocol to a second control protocol; and performing following operations at least once: determining a current target scan region, scanning the current target scan region according to the second control protocol to collect current touch signals including a current trigger signal, determining position information of a touch point according to the current touch signals, and reporting the position information of the touch point. An area of the current target scan region is less than an area of the reference scan region.
    Type: Application
    Filed: May 19, 2021
    Publication date: March 3, 2022
    Inventors: Zhaohui MENG, Wei SUN, Lin CONG
  • Patent number: 11126279
    Abstract: A stylus pen that includes a tip electrode, a power supply circuit, a signal detector, and a drive circuit where an output signal is transmitted to and an input signal is received from a touch panel via the tip electrode. The power supply circuit of the stylus pen selectively supplies a first supply voltage or a second supply voltage. The signal detector of the stylus pen detects an enable signal from the input signal and the signal detector of the stylus pen controls the power supply circuit to supply the first supply voltage in response to presence of the enable signal. The drive circuit operates at the first supply voltage to generate the output signal.
    Type: Grant
    Filed: October 10, 2019
    Date of Patent: September 21, 2021
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhaohui Meng, Wei Sun, Wenchao Han, Xinle Wang, Yilin Feng, Guangquan Wang