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).

  • Patent number: 11539910
    Abstract: Provided are a display module control system, a display apparatus, a control method, a computer device and a medium. The display module control system includes a display module, a display controller driving the display module and a bridge unit connecting the display module and the display controller, wherein the display controller is configured to output a first video signal according to an external video source; the bridging unit is configured to determine whether the display controller is in normal operation state according to the first video signal received, output the first video signal to the display module to play the first video signal when the display controller is in normal operation state, and output a second video signal pre-stored to the display module to play the second video signal when the display controller is not in normal operation state.
    Type: Grant
    Filed: May 19, 2021
    Date of Patent: December 27, 2022
    Assignee: Beijing BOE Technology Development Co., Ltd.
    Inventors: Lihua Geng, Xitong Ma, Yanfu Li
  • Publication number: 20220400190
    Abstract: A signal processing method includes: obtaining a first frame synchronization signal including a plurality of first pulses, a period between a trailing edge of a first pulse and a leading edge of a next first pulse being a first time period, which corresponding to a first integer number of pulses of a first pixel clock signal; generating a synchronization calibration signal including a plurality of second pulses, a trigger edge of each second pulse being at a same time as the trailing edge of the first pulse; and generating a second frame synchronization signal including a plurality of third pulses, a period between the trigger edge of each second pulse and a leading edge of a third pulse closest to the second pulse after the second pulse being a second time period, which corresponding to a first integer number of pulses of the second pixel clock signal.
    Type: Application
    Filed: December 25, 2020
    Publication date: December 15, 2022
    Inventors: Xitong MA, Xiaodong SHI, Lihua GENG, Youxiang XIA, Xiao ZHANG
  • Patent number: 11495231
    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. The method further includes: switching from the sound mode to the silent mode when a privacy need of the user arises.
    Type: Grant
    Filed: November 26, 2018
    Date of Patent: November 8, 2022
    Assignee: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Lihua Geng, Xitong Ma, Zhiguo Zhang
  • Publication number: 20220345769
    Abstract: The present disclosure provides an image data processing device, an image data processing method and a display device. The image data processing device includes: a plurality of writing controllers corresponding to a plurality of image blocks into which an input image is divided, and each configured to obtain input data of one image block in each input image, determine a frame address of the input data stored in a memory, and transmit the input data to the memory in accordance with the determined frame address; and a plurality of reading controllers, each reading controller corresponding to one image block into which an output image is divided, and configured to determine a frame address of the output data of one image block in ach output image in the memory, and read output data from the memory in accordance with the determined frame address.
    Type: Application
    Filed: June 11, 2021
    Publication date: October 27, 2022
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Lihua Geng, Yanfu Li
  • Publication number: 20220308089
    Abstract: A digital oscilloscope includes a video input interface, a data processing system, a video output interface, and a clock system. The video input interface is configured to receive a digital video signal; the data processing system receives the digital video signal and processes the digital video signal to generate an oscillogram signal, which includes an oscillogram image and further includes one of a menu image and a frame image of the digital video signal; and the video output interface is connected to the data processing system, receives the oscillogram signal and outputs it to external terminals. The oscilloscope can display a variety of image information, with high intuitiveness, simplified structure, improved portability, and is convenient to use in outdoor places.
    Type: Application
    Filed: December 29, 2020
    Publication date: September 29, 2022
    Inventors: Congrui WU, Lihua GENG, Xitong MA
  • Publication number: 20220303493
    Abstract: A time code display system comprising: a video receiver configured for receiving a plurality of non-homologous video signals; a time code parser connected with the video receiver and configured for extracting time code data of each video frame from each video signal; a write controller and a buffer, the write controller being connected with the video receiver and the time code parser; a synchronous clock component configured for generating a local clock signal according to a channel associated clock signal of any video signal; and a read controller and a display, the read controller being connected with the synchronous clock component and the buffer and configured for reading out the video frame of each video signal and the time code data corresponding to the video frame from the buffer at the same time, according to the local clock signal.
    Type: Application
    Filed: October 29, 2021
    Publication date: September 22, 2022
    Inventors: Xitong MA, Lihua GENG, Ran DUAN
  • Patent number: 11446706
    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: Grant
    Filed: January 23, 2018
    Date of Patent: September 20, 2022
    Assignee: Beijing BOE Technology Development Co., Ltd.
    Inventors: Qi Zeng, Lijie Zhang, Lihua Geng, Han Yan, Xitong Ma, Tianyue Zhao
  • Patent number: 11442499
    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: Grant
    Filed: November 7, 2018
    Date of Patent: September 13, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Lihua Geng
  • Publication number: 20220279159
    Abstract: A test system for stability of video interfaces includes a display, a signal generator, a controller, and an image capturing sensor. The signal generator is configured to transmit multiple video signals to multiple video interfaces of the display. The controller is configured to control the display to sequentially display images according to each video signal. The image capturing sensor is configured to capture the images displayed sequentially by the display according to each video signal, and detect whether an image corresponding to each video signal is abnormal, and transmit a detection result to the controller.
    Type: Application
    Filed: December 29, 2020
    Publication date: September 1, 2022
    Inventors: Yanfu LI, Lihua GENG, Xitong MA
  • Publication number: 20220253183
    Abstract: Provided is a display device. The display device includes a first processor, a second processor, and a display screen. The first processor is configured to acquire at least two OSD images, and to form a combined image with at least two OSD images and send the combined image to the second processor. The second processor is electrically coupled to the first processor and is configured to receive the combined image, identify at least two OSD images from the combined image, acquire a first screen and acquire a second screen by superimposing at least two OSD images onto the first screen, and output the second screen to the display screen. The display screen is electrically coupled to the second processor and is configured to display the second screen.
    Type: Application
    Filed: December 9, 2021
    Publication date: August 11, 2022
    Inventors: Lihua GENG, Xitong MA
  • Publication number: 20220237001
    Abstract: A display device includes a first processor, a second processor, and a display module. The first processor is configured to: acquire version information of the second processor upon completion of startup of the second processor; determine version information of the corresponding first processor based on version information of the second processor; load a second configuration file corresponding to the version information of the first processor to output a second display screen associated with the second configuration file to the display module. The display module is configured to display the second display screen.
    Type: Application
    Filed: November 24, 2021
    Publication date: July 28, 2022
    Inventors: Xitong MA, Xiaodong SHI, Lihua GENG, Xingxing LU, Xiao SU, Congrui WU
  • Patent number: 11391589
    Abstract: A signpost-based navigation method, a computer readable storage medium, and an electronic device that implements the method. The method comprises: capturing a visible light signal emitted by a road sign, the visible light signal comprising multiple pieces of different signpost information; selecting, according to indication information corresponding to a current position of a vehicle on a navigation path, at least one piece of signpost information from the multiple pieces of different signpost information as signpost information of a current signpost; and controlling a shutter of shutter glasses so as to display the current signpost through the shutter glasses.
    Type: Grant
    Filed: May 10, 2019
    Date of Patent: July 19, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ran Duan, Lihua Geng
  • Publication number: 20220222826
    Abstract: A detection method for an image segmentation manner is provided. The detection method includes obtaining four sub-images input by a serial digital interface and formed by dividing an original image, extracting four groups of reference pixel points from the four sub-images according to a set extraction manner, calculating pixel difference values of pixel points according to the four groups of reference pixel points, and determining an image segmentation manner of the serial digital interface according to the pixel difference values.
    Type: Application
    Filed: December 29, 2020
    Publication date: July 14, 2022
    Inventors: Lihua GENG, Yanfu LI, Xiaodong SHI
  • Publication number: 20220224859
    Abstract: A video timing conversion method and a video timing conversion device, and a non-transitory computer-readable storage medium are provided. The video timing conversion method includes analyzing an original timing signal in a form of a differential signal of an original video, to obtain original timing parameters; determining target timing parameters and a target clock signal parameter according to a format of a target video and the original timing parameters; wherein the target timing parameters include a data enabling period number, a field sync data valid row number and a refreshing frequency, which are the same as the data enabling period number, the field sync data valid row number and the refreshing frequency of the original timing parameters, respectively; generating a target timing signal in the form of the differential signal of the target video according to the target timing parameters and the target clock signal parameter.
    Type: Application
    Filed: January 13, 2021
    Publication date: July 14, 2022
    Inventors: Congrui WU, Lihua GENG, Xitong MA, Yanfu LI, Tianmin RAO
  • Publication number: 20220174222
    Abstract: Provided is a method for marking a focused pixel. The method includes: in response to marking a focused pixel of a first image based on a focus threshold, adjusting the focus threshold in the case that an adjustment condition is satisfied; marking a focused pixel of a second image based on the adjusted focus threshold. The adjustment condition includes: a focus degree of the first image is less than a target focus degree, and/or, the focus degree of the first image is greater than the target focus degree. Moreover, a similarity between the first image and the second image is greater than a similarity threshold, and a difference between a focus degree of the second image and the target focus degree is less than a difference between the focus degree of the first image and the target focus degree.
    Type: Application
    Filed: November 23, 2021
    Publication date: June 2, 2022
    Inventors: Congrui WU, Xitong MA, Lihua GENG, Ran DUAN
  • Patent number: 11302294
    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: Grant
    Filed: May 11, 2020
    Date of Patent: April 12, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yanfu Li, Lihua Geng
  • Publication number: 20220103871
    Abstract: A method for processing an image frame includes: obtaining an image frame to be displayed; determining whether pixel data in the image frame to be displayed is lost; and using preset replacement data as data of target pixels in the image frame to be displayed, in response to determining that the pixel data in the image frame to be displayed is lost.
    Type: Application
    Filed: September 23, 2021
    Publication date: March 31, 2022
    Inventors: Lihua GENG, Xitong MA
  • Publication number: 20220060652
    Abstract: Provided are a display module control system, a display apparatus, a control method, a computer device and a medium. The display module control system includes a display module, a display controller driving the display module and a bridge unit connecting the display module and the display controller, wherein the display controller is configured to output a first video signal according to an external video source; the bridging unit is configured to determine whether the display controller is in normal operation state according to the first video signal received, output the first video signal to the display module to play the first video signal when the display controller is in normal operation state, and output a second video signal pre-stored to the display module to play the second video signal when the display controller is not in normal operation state.
    Type: Application
    Filed: May 19, 2021
    Publication date: February 24, 2022
    Inventors: Lihua GENG, Xitong MA, Yanfu LI
  • Publication number: 20220057903
    Abstract: A display method, a displaying device, electronic equipment and a storage medium. The display method comprises: acquiring menu data, target display position data of the menu data on a display screen, and source data, wherein the source data includes N channels of first display data, and the first display data has a preset size; conducting format conversion on the menu data to obtain M channels of second display data with a preset size; fusing the first display data with the second display data according to the target display position to obtain third display data; and displaying the third display data on the display screen.
    Type: Application
    Filed: October 23, 2020
    Publication date: February 24, 2022
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Yanfu Li, Lihua Geng, Qingguo Yang
  • 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