Patents by Inventor Lihua Geng

Lihua Geng 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: 20220060764
    Abstract: A signal processing device is disclosed, which includes a plurality of channel receivers, a plurality of time code processors in one-to-one correspondence with the channel receivers, a timing generator, a signal processor and a transmitter, wherein each channel receiver is configured to parse an audio-video signal which has a data format defined by the SDI protocol and including a time code that characterizes time information. Each time code processor is configured to extract the time code from a parsed audio-video signal obtained by a corresponding channel receiver, and form first frame image data including a frame time code. The signal processor is configured to form an absolute frame output image based on multiple channels of the first frame of image data, frame time codes therein, and an internal clock signal generated by the timing generator. The transmitter is configured to transmit the absolute frame output image for display.
    Type: Application
    Filed: May 26, 2021
    Publication date: February 24, 2022
    Inventors: Xitong MA, Lihua GENG, Congrui WU, Yanfu LI, Xian WANG
  • Publication number: 20220030193
    Abstract: The present disclosure provides a method and device of transmitting a video signal, a method and device of receiving a video signal, and a display device. The method of transmitting the video signal includes: acquiring the video signal, wherein the video signal contains a plurality of frame data; embedding configuration data for at least one frame data of the video signal in a previous invalid interval of the at least one frame data; and transmitting the video signal embedded with the configuration data.
    Type: Application
    Filed: September 15, 2020
    Publication date: January 27, 2022
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Lihua Geng, Xitong Ma, Xiao Zhang, Xianzhen Li
  • Publication number: 20220013093
    Abstract: There is provided a data processor for a display device including a display panel having a first resolution. The data processor includes a first mode selector and a player. The first mode selector includes a distance detector, a comparator, and a transmission resolution adjustor. The distance detector may detect a current distance between a viewer and a display surface of the display panel. The comparator determines an amount of change of the current distance from a previous distance. The transmission resolution adjustor determines a second resolution according to a threshold range within which the previous distance falls and the amount of change. The player processes received external image data as intermediate data having the second resolution.
    Type: Application
    Filed: April 30, 2020
    Publication date: January 13, 2022
    Inventors: Lihua GENG, Ran DUAN, Yanfu LI, Xitong MA
  • Patent number: 11216862
    Abstract: The present disclosure relates to a smart shopping cart, a server, a smart shopping system, and a method. The smart shopping cart includes a shopping cart body, an image capturing unit, and a display unit. The image capturing unit is configured to capture an image of a user face, such that the server identifies the image of the user face to obtain user identity information, query a user consumption history database based on the user identity information to obtain user consumption history data, generate user consumption interest data according to the user consumption history data, and generate product push information according to the user consumption interest data. The display unit is configured to receive and display the product push information.
    Type: Grant
    Filed: May 23, 2019
    Date of Patent: January 4, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yanfu Li, Lihua Geng, Xitong Ma
  • Publication number: 20210319769
    Abstract: A control method for a display device includes: receiving a user distance, and determining whether the user distance is smaller than a preset distance: if so, transmitting a first control command to a display screen to control the display screen to enter a local display state, and a second control command to a player to control the player to output local image data; receiving the local image data; and transmitting the local image data to the display screen. The user distance is a distance from the user to a reference surface in a direction perpendicular to the reference surface, and the reference surface is a display surface of the display screen or a plane parallel to the display surface. The preset distance is a minimum distance from the user to the reference surface in a case where the field of view of the user covers the entire active area.
    Type: Application
    Filed: May 11, 2020
    Publication date: October 14, 2021
    Inventors: Yanfu LI, Lihua GENG
  • Publication number: 20210280191
    Abstract: A lip language recognition method, applied to a mobile terminal having a sound mode and a silent mode, includes: training a deep neural network in the sound mode; collecting a user's lip images in the silent mode; and identifying content corresponding to the user's lip images with the deep neural network trained in the sound mode.
    Type: Application
    Filed: November 26, 2018
    Publication date: September 9, 2021
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lihua GENG, Xitong MA, Zhiguo ZHANG
  • Publication number: 20210272496
    Abstract: A display driving device, a control method therefor, and a display apparatus.
    Type: Application
    Filed: January 19, 2020
    Publication date: September 2, 2021
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xitong MA, Lihua GENG, Yanfu LI
  • Patent number: 11074872
    Abstract: A backlight driving circuit includes a pulse width modulator, at least one time-delay sub-circuit and a driving sub-circuit. The pulse width modulator is configured to transmit a control signal including a plurality of pulses. The at least one time-delay sub-circuit is configured to delay at least one pulse of the control signal from the pulse width modulator that is transmitted to the at least one time-delay sub-circuit by a set time. The driving sub-circuit is coupled to the at least one time-delay sub-circuit, and the driving sub-circuit is configured to drive at least one of a plurality of light-emitting devices in a backlight module to be turned on or off according to a control signal from the at least one time-delay sub-circuit obtained after the at least one pulse is delayed.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: July 27, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Enhui Guan, Ran Duan, Lihua Geng, Xianzhen Li, Qingguo Yang
  • Publication number: 20210178432
    Abstract: A trash sorting and recycling method, a trash sorting device and a trash sorting and recycling system are provided. The trash sorting and recycling method includes: acquiring a detection image of trash to be sorted; processing the detection image with a deep learning neural network to judge whether or not the trash to be sorted belongs to recyclable trash; if yes, sending a first control signal, to control to deliver the trash to be sorted into a recycling region; if no, sending a second control signal, to control to deliver the trash to be sorted into a non-recycling region.
    Type: Application
    Filed: January 23, 2018
    Publication date: June 17, 2021
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Qi ZENG, Lijie ZHANG, Lihua GENG, Han YAN, Xitong MA, Tianyue ZHAO
  • Patent number: 11013397
    Abstract: Embodiments of the present disclosure provide an endoscope apparatus and a method for controlling the endoscope apparatus. The endoscope apparatus may comprise an image collector, configured to collect an image for an eyeball of a user; a controller, configured to calculate a parameter for adjusting an endoscope lens of an endoscope based on the collected image; and the endoscope, configured to adjust the endoscope lens according to the parameter.
    Type: Grant
    Filed: June 11, 2018
    Date of Patent: May 25, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lihua Geng, Xiao Zhang, Zhiguo Zhang
  • Patent number: 10997887
    Abstract: A signal adjustment method, a signal adjustment circuit, an image processing circuit and a display device are disclosed. The signal adjustment method is used for adjusting a display signal including an original clock signal and an original data signal, and the method includes: delaying the original clock signal by a first delay amount to obtain a reference clock signal; delaying the original data signal by a second delay amount to obtain a reference data signal; sampling the reference data signal with the reference clock signal to obtain a sampled data; comparing the sampled data with a reference data to obtain a comparison result; and adjusting a reference timing relationship according to the comparison result, and the reference timing relationship is a timing relationship between the reference clock signal and the reference data signal.
    Type: Grant
    Filed: August 26, 2019
    Date of Patent: May 4, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lihua Geng, Xitong Ma
  • Patent number: 10977719
    Abstract: The present disclosure provides an intelligent voice shopping system and method. The system includes: an information collecting device, configured to capture voice information; a data processing device, configured to process the voice information, obtain row and column information of a location of the user, and obtain corresponding voice information of the product from a product information database according to the voice information and the row and column information, wherein the product information database stores in advance a correspondence between voice information of various types of products and the row and column information; and a directional transmission device, configured to send the voice information of the product to the user.
    Type: Grant
    Filed: August 27, 2018
    Date of Patent: April 13, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lihua Geng, Shu Wang
  • Publication number: 20210056938
    Abstract: The present disclosure provides a method and device for switching a display channel, a display driving device and a display device. The method includes: sending a first switching signal to a write controller of a current display channel when a switching instruction for switching from the current display channel to a target display channel is received; acquiring a frame address in which final write operation of data is completed, and taking the frame address as a first address and a next frame address as a second address; sending a second switching signal to a write controller of the target display channel; and sending a third switching signal to a read controller.
    Type: Application
    Filed: July 31, 2020
    Publication date: February 25, 2021
    Inventors: Xitong MA, Lihua GENG, Xianzhen LI, Donglei MU
  • Patent number: 10929015
    Abstract: The present disclosure provides a touch detection method for a touch splicing screen, including: obtaining the following parameters: sizes of each of the display units in a row direction and in a column direction, a width of each of the first splicing intervals, a width of each of the second splicing intervals, and physical position information of a touch point; determining whether the touch point is within an area of the splicing intervals according to the parameters; and calculating, when the touch point is beyond the area of the splicing intervals, a position of a pixel unit corresponding to the touch point according to a resolution of the touch splicing screen, a row number and a column number in an arrangement of the display units, and the parameters.
    Type: Grant
    Filed: July 26, 2019
    Date of Patent: February 23, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xitong Ma, Naifu Wu, Lihua Geng, Xianzhen Li, Tianyue Zhao
  • Patent number: 10929957
    Abstract: A display method, a display device, an electronic equipment, and a computer readable storage medium are disclosed. The display method is suitable for a display device, and the display device is configured to display in a first display mode and in a second display mode. The display method includes: obtaining user image information; determining whether a user is currently in a fatigue state based on the user image information; and switching the display device from the second display mode to the first display mode and allowing the display device to display in the first display mode if the user is currently in the fatigue state. The first display mode is different from the second display mode.
    Type: Grant
    Filed: October 28, 2019
    Date of Patent: February 23, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xianzhen Li, Lihua Geng, Tianyue Zhao, Enhui Guan, Zhichao Li, Xitong Ma, Wei Deng
  • Patent number: 10917227
    Abstract: The present disclosure provides a data transmission method, includes: multiplying a frequency of a basic clock, so as to obtain a frequency-multiplied clock, in which a maximum number of high levels in the frequency-multiplied clock is greater than a maximum numerical value that the bit number can represent; removing an invalid bit width from the data to be transmitted, and determining a bit number of an effective bit width thereof and a numerical value represented by the effective bit width; determining a data period, according to the bit number of the effective bit width in the data to be transmitted; determining an actual number of high levels, according to a numerical value represented by the effective bit width in the data to be transmitted; and transmitting the data to be transmitted based on the frequency-multiplied clock, according to the data period and the actual number of the high levels.
    Type: Grant
    Filed: August 29, 2019
    Date of Patent: February 9, 2021
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Xitong Ma, Ran Duan, Lihua Geng, Yanfu Li
  • Publication number: 20210035508
    Abstract: A backlight driving circuit includes a pulse width modulator, at least one time-delay sub-circuit and a driving sub-circuit. The pulse width modulator is configured to transmit a control signal including a plurality of pulses. The at least one time-delay sub-circuit is configured to delay at least one pulse of the control signal from the pulse width modulator that is transmitted to the at least one time-delay sub-circuit by a set time. The driving sub-circuit is coupled to the at least one time-delay sub-circuit, and the driving sub-circuit is configured to drive at least one of a plurality of light-emitting devices in a backlight module to be turned on or off according to a control signal from the at least one time-delay sub-circuit obtained after the at least one pulse is delayed.
    Type: Application
    Filed: May 29, 2020
    Publication date: February 4, 2021
    Inventors: Enhui GUAN, Ran DUAN, Lihua GENG, Xianzhen LI, Qingguo YANG
  • Patent number: 10847008
    Abstract: Exemplary embodiments of the present disclosure provide a monitoring system and method, the system comprising at least one pair of first sensing devices disposed on an outside and inside of a bathroom door, an information acquisition module, a central control module, and an alarm module, wherein the information acquisition module controls the first sensing devices to acquire first data and transmits the acquired first data to the central control module, the central control module determines whether to generate a first alarm signal and/or second alarm signal based on the acquired first data, and transmits the generated first alarm signal and/or a second alarm signal to the alarm module. Thus, the system can be informed timely of the health status of an old person living alone according to the use situation of the bathroom, and also the privacy of the old person can be protected effectively.
    Type: Grant
    Filed: July 7, 2016
    Date of Patent: November 24, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lihua Geng, Masakazu Okamura
  • Publication number: 20200356135
    Abstract: A display position adjusting apparatus includes a processor and an arcuate bracket. The arcuate bracket includes a first arcuate rod and a second arcuate rod that are disposed perpendicular to each other. The display is disposed on the second arcuate rod. The display is connected to the second arcuate rod through the first connector and configured to move along the second arcuate rod through the first connector under a control of the processor. The second arcuate rod is connected to the first arcuate rod through a second connector, and configured to move along the first arcuate rod through the second connector under the control of the processor.
    Type: Application
    Filed: November 7, 2018
    Publication date: November 12, 2020
    Inventor: Lihua GENG
  • Patent number: 10825151
    Abstract: A head up display includes: a display source configured to project a correction image and a corrected driving information image onto a transflective component; a polarization controller configured to control a polarization direction of light emitted from the display source; a receiver configured to receive a distorted correction image displayed on the transflective component; and a processor connected with the receiver, and configured to compare the distorted correction image received by the receiver with a correction image pre-stored in the processor to obtain a first image distortion, and to correct a driving information image to be displayed according to the first image distortion to obtain the corrected driving information image.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: November 3, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xitong Ma, Naifu Wu, Xiangyang Liu, Rui Sun, Lihua Geng