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).
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Patent number: 11965271Abstract: A flexible electroluminescent fiber for embroidery sequentially includes: metal core wires, a light-emitting layer, a transparent conductive layer, a filament, and a protective paint, wherein a quantity of the metal core wires is an even number, and the metal core wires are pasted together before being wrapped by the light-emitting layer; the light-emitting layer is coated with the transparent conductive layer; the protective paint and the filament are exterior to the transparent conductive layer; the metal core wires emit light through energizing; a diameter of the electroluminescent fiber is 0.1-0.3 mm, and a 20-36V safe voltage is applied for emitting light. The flexible electroluminescent fiber of the present invention has sufficient tensile force, and smooth and soft surface. Appearance and hand feeling of the present invention are the same as those of clothing textile fibers.Type: GrantFiled: March 8, 2022Date of Patent: April 23, 2024Assignee: Shanghai Kerun Phosphor Technology Co. , LtdInventors: Yan Zheng, Shufan Geng, Jinshui Zhou, Ruijun Zhang, Chengyi Hou, Hongzhi Wang, Yang Guo, Zhilei Yuan, Lei Chen, Kerui Li, Suwen Guo, Bangzuan He, Kaiyan Zheng, Lihua Quan
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Patent number: 11950013Abstract: 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: GrantFiled: September 23, 2021Date of Patent: April 2, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lihua Geng, Xitong Ma
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Publication number: 20240106977Abstract: Provided is a video processor. The video processor includes: a receiving module, configured to receive source video display data and parse the source video display data as valid video display data; a pre-processing module, configured to generate valid video display data in a predetermined video format; an image quality processing module, configured to adjust image quality parameters to output a first video screen; a post-processing module, configured to extract video parameters, generate a blended screen, and blend the blended screen on the first video screen; and a video output module, configured to perform data format conversion on valid video display data of the first video screen and valid video display data of the blended screen to encapsulate as output video display data, and output the output video display data to an external display to blend the blended screen on the first video screen.Type: ApplicationFiled: December 21, 2020Publication date: March 28, 2024Inventors: Lihua GENG, Congrui WU, Xitong MA, Ran DUAN, Youxiang XIA
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Patent number: 11921976Abstract: 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: GrantFiled: October 23, 2020Date of Patent: March 5, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yanfu Li, Lihua Geng, Qingguo Yang
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Patent number: 11917125Abstract: 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: GrantFiled: December 29, 2020Date of Patent: February 27, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yanfu Li, Lihua Geng, Xitong Ma
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Publication number: 20240054625Abstract: Disclosed are a device and method for processing video data, and a display system. The device for processing video data includes: a first acquisition module, a second acquisition module, a storage module and a processing module. The first acquisition module is configured to determine, in response to receiving an image quality adjustment parameter, whether the image quality adjustment parameter meets a preset condition, and send the image quality adjustment parameter to the storage module. The storage module is configured to cache the image quality adjustment parameter, and send the image quality adjustment parameter to the processing module. The second acquisition module is configured to acquire original video data, and send the original video data to the processing module. The processing module is configured to perform data processing on the original video data according to the image quality adjustment parameter to generate target video data.Type: ApplicationFiled: April 28, 2021Publication date: February 15, 2024Inventors: Xitong MA, Lihua GENG
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Patent number: 11874302Abstract: 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: GrantFiled: December 29, 2020Date of Patent: January 16, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Congrui Wu, Lihua Geng, Xitong Ma
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Patent number: 11849251Abstract: 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: GrantFiled: September 15, 2020Date of Patent: December 19, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lihua Geng, Xitong Ma, Xiao Zhang, Xianzhen Li
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Patent number: 11822936Abstract: 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: GrantFiled: November 24, 2021Date of Patent: November 21, 2023Assignee: BOE Technology Group Co., Ltd.Inventors: Xitong Ma, Xiaodong Shi, Lihua Geng, Xingxing Lu, Xiao Su, Congrui Wu
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Patent number: 11798450Abstract: A display driving device and a control method thereof, and a display device. The control method includes: generating, by the master processing chip, a read/write synchronization signal, and receiving, by each of the slave processing chip, the read/write synchronization signal; in response to the read/write synchronization signal, caching, by the master processing chip, the received display data of the current to-be-displayed frame image into the frame address of the corresponding memory, reading and processing cached display data of a previous to-be-displayed frame image and transmitting the processed display data; and in response to the read/write synchronization signal, caching synchronously, by each of the slave processing chip, the received display data of the current to-be-displayed frame image into the frame address of the corresponding memory, and reading and processing synchronously cached display data of the previous to-be-displayed frame image and transmitting the processed display data.Type: GrantFiled: January 19, 2020Date of Patent: October 24, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xitong Ma, Lihua Geng, Yanfu Li
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Publication number: 20230336699Abstract: A video processing method includes: obtaining a video signal, a color gamut range of the video signal including at least two color zones, each of the color zones corresponding to a set of correction data; performing chromatic calibration on the video signal, including correcting image data of the video signal in a color zone using a set of correction data corresponding to the color zone; and outputting the video signal that has undergone the chromatic calibration.Type: ApplicationFiled: November 5, 2021Publication date: October 19, 2023Inventors: Ran DUAN, Lihua GENG, Xian WANG
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Patent number: 11763729Abstract: A method includes: obtaining a first frame synchronization signal, period between a trailing edge of a first pulse and a leading edge of a next first pulse being first time period corresponding to a first integer number of pulses of a first pixel clock signal; generating a synchronization calibration signal, a triggering edge of the second pulse being delayed compared to a trailing edge of a first pulse; generating a second frame synchronization signal, period between a triggering edge of the second pulse and a leading edge of a third pulse being second time period. When ratio of frequency of the second pixel clock signal to frequency of the first pixel clock signal is within threshold range, the second time period corresponds to a second integer number of pulses of the second pixel clock signal. The second integer is integer value of product of the first integer and ratio.Type: GrantFiled: January 22, 2021Date of Patent: September 19, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xitong Ma, Lihua Geng, Congrui Wu
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Publication number: 20230273760Abstract: An image processing method includes: using image data of a first image as image data of a base region, wherein the first image has a first resolution; and generating, based on the image data of the first image, image data of an extended region according to extension policies, so as to obtain image data of a second image including the image data of the base region and the image data of the extended region, wherein the second image has a second resolution, and the first resolution is less than the second resolution.Type: ApplicationFiled: November 10, 2021Publication date: August 31, 2023Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lihua GENG, Xitong MA, Ran DUAN, Xiaodong SHI
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Patent number: 11647151Abstract: 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: GrantFiled: January 13, 2021Date of Patent: May 9, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Congrui Wu, Lihua Geng, Xitong Ma, Yanfu Li, Tianmin Rao
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Patent number: 11646001Abstract: 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: GrantFiled: April 30, 2020Date of Patent: May 9, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lihua Geng, Ran Duan, Yanfu Li, Xitong Ma
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Patent number: 11599246Abstract: 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: GrantFiled: December 9, 2021Date of Patent: March 7, 2023Assignee: BOE Technology Group Co., Ltd.Inventors: Lihua Geng, Xitong Ma
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Patent number: 11587274Abstract: 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: GrantFiled: October 29, 2021Date of Patent: February 21, 2023Assignee: BOE Technology Group Co., Ltd.Inventors: Xitong Ma, Lihua Geng, Ran Duan
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Patent number: 11582368Abstract: 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: GrantFiled: December 25, 2020Date of Patent: February 14, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xitong Ma, Xiaodong Shi, Lihua Geng, Youxiang Xia, Xiao Zhang
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Switching method and switching device for display channel, display driving device and display device
Patent number: 11574614Abstract: 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: GrantFiled: July 31, 2020Date of Patent: February 7, 2023Assignee: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.Inventors: Xitong Ma, Lihua Geng, Xianzhen Li, Donglei Mu -
Patent number: 11563989Abstract: 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: GrantFiled: May 26, 2021Date of Patent: January 24, 2023Assignee: BOE Technology Group Co., Ltd.Inventors: Xitong Ma, Lihua Geng, Congrui Wu, Yanfu Li, Xian Wang