Patents by Inventor Yudong LIU

Yudong LIU 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: 11954842
    Abstract: The invention discloses a powder leakage monitoring device and a powder leakage monitoring method. The powder leakage monitoring device comprises light field camera, 3D PTZ (3-Dimensional Pan/Tilt/Zoom) and computer. Wherein, the light field camera records original light field images of monitored area; the 3D PTZ under the light field camera adjusts the shooting angle of the light field camera when it rotates according to the set direction; and the computer respectively connects to the light field camera and the 3D PTZ, which generates refocused images corresponding to the original light field images, and determines the spatial coordinates of the powder leakage point and the hazard range of the powder leakage in the monitored area according to the refocused images and the shooting angle. Therefore, the range and accuracy of powder leakage monitoring are both increased by using this invention.
    Type: Grant
    Filed: October 31, 2022
    Date of Patent: April 9, 2024
    Assignee: HUANENG NANJING JINLING POWER GENERATION CO., LTD.
    Inventors: Yudong Liu, Lei Wang, Kai Shi, Yong Xia, Xudong Si, Dongfang Li, Xuedong Liang
  • Publication number: 20240103064
    Abstract: A product line testing method includes acquiring identity information of at least one to-be-tested product and identity information of a current testing station; acquiring target testing station information of the at least one to-be-tested product according to the identity information of the at least one to-be-tested product; and comparing the target testing station information with the identity information of the current testing station to generate a comparison result and, according to the comparison result, executing the testing flow of the current testing station or outputting testing prompt information. The technical solutions improve the efficiency of product testing.
    Type: Application
    Filed: February 16, 2023
    Publication date: March 28, 2024
    Applicant: Luxsan Technology (Kunshan) Co., Ltd.
    Inventors: Junfeng YANG, Wanping LI, Jun XIONG, Jincheng LIU, Yudong ZHOU
  • Publication number: 20240077626
    Abstract: A signal processing system and method for a radiation detector based on a metal oxide semiconductor (MOS) transistor are disclosed. The signal processing system includes a power supply generation module, an analog signal processing module, and a digital signal acquiring-processing module. The power supply generation module provides a novel power supply method, and converts a positive high voltage power supply into a negative high voltage power supply to supply power to a last dynode of a photomultiplier tube (PMT). The analog signal processing module converts a negative current pulse signal into a voltage difference signal. The digital signal acquiring-processing module acquires a signal of the analog signal processing module, and converts the signal into a digital signal for identification.
    Type: Application
    Filed: January 4, 2023
    Publication date: March 7, 2024
    Inventors: Qiang Liu, Zhenhua Lin, Jinhan Wang, Kunliang Yao, Yudong Luo, Sheng Wu, Yongjie Wang, Jianzheng Gao, Ming Cui
  • Patent number: 11914404
    Abstract: A solar tracking system comprises multiple solar panel modules forming a grid of solar panel modules, wherein the multiple solar panel modules are movable relative to a solar source independently of each other; and a control system configured to orient each of the multiple solar panel modules to the solar source independently of each other based on a performance model to optimize an energy output from the grid of solar panel modules, wherein the performance model predicts an energy output from the grid of solar panel modules based on a topography of the area containing the grid of solar panel modules and weather conditions local to each of the solar panel modules.
    Type: Grant
    Filed: August 28, 2019
    Date of Patent: February 27, 2024
    Assignee: NEXTRACKER LLC
    Inventors: Yudong Ma, Francesco Borrelli, Yang Liu, Allan Daly
  • Publication number: 20230069945
    Abstract: The invention discloses a powder leakage monitoring device and a powder leakage monitoring method. The powder leakage monitoring device comprises a light field camera, a 3D PTZ and a computer. Wherein, the light field camera records the original light field images of the monitored area; the 3D PTZ under the light field camera adjusts the shooting angle of the light field camera when it rotates according to the set direction; and the computer respectively connects to the light field camera and the 3D PTZ, which generates refocused images corresponding to the original light field images, and determines the spatial coordinates of the powder leakage point and the hazard range of the powder leakage in the monitored area according to the refocused images and the shooting angle. Therefore, the range and accuracy of powder leakage monitoring are both increased by using this invention.
    Type: Application
    Filed: October 31, 2022
    Publication date: March 9, 2023
    Inventors: Yudong Liu, Lei Wang, Kai Shi, Yong Xia, Xudong Si, Dongfang Li, Xuedong Liang
  • Patent number: 11468565
    Abstract: The invention relates to a TMB classification method and system and a TMB analysis device based on a pathological image, comprising: performing TMB classification and marking and pre-processing on a known pathological image to construct a training set; training a convolutional neural network by means of the training set to construct a classification model; pre-processing a target pathological image of a target case to obtain a plurality of target image blocks; classifying the target image blocks by means of the classification model to acquire an image block TMB classification result of the target case; and acquiring an image TMB classification result of the target case by means of classification voting using all the image block TMB classification results. The invention further relates to a TMB analysis device based on a pathological image. The TMB classification method of the invention has advantages of accuracy, a low cost and fast rapid.
    Type: Grant
    Filed: October 28, 2019
    Date of Patent: October 11, 2022
    Assignee: Institute of Computing Technology, Chinese Academy of Sciences
    Inventors: Fei Ren, Zhiyong Liu, Yudong Liu
  • Patent number: 11417261
    Abstract: A gate driving unit circuit comprises an input sub-circuit and an output sub-circuit. The input sub-circuit is connected to a first pull-up node, a second pull-up node, and an input terminal, and transmits a signal input from the input terminal to the first pull-up node and the second pull-up node. The output sub-circuit is connected to the first pull-up node, the second pull-up node, a first control terminal, a third control terminal, a first output terminal, and a second output terminal. The output sub-circuit transmits a signal input through the first control terminal to the first output terminal, and transmits a signal input through the third control terminal to the second output terminal under the control of a potential of the second pull-up node, wherein, an effective voltage of a signal of the first control terminal is greater than that of a signal of the third control terminal.
    Type: Grant
    Filed: August 6, 2019
    Date of Patent: August 16, 2022
    Assignees: Hefei Xinsheng Optoelectronics Technology Group Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiong Xiong, Yifeng Zou, Yudong Liu, Youlu Li
  • Publication number: 20220207726
    Abstract: The invention relates to a TMB classification method and system and a TMB analysis device based on a pathological image, comprising: performing TMB classification and marking and pre-processing on a known pathological image to construct a training set; training a convolutional neural network by means of the training set to construct a classification model; pre-processing a target pathological image of a target case to obtain a plurality of target image blocks; classifying the target image blocks by means of the classification model to acquire an image block TMB classification result of the target case; and acquiring an image TMB classification result of the target case by means of classification voting using all the image block TMB classification results. The invention further relates to a TMB analysis device based on a pathological image. The TMB classification method of the invention has advantages of accuracy, a low cost and fast rapid.
    Type: Application
    Filed: October 28, 2019
    Publication date: June 30, 2022
    Applicant: Institute of Computing Technology, Chinese Academy of Sciences
    Inventors: Fei REN, Zhiyong LIU, Yudong LIU
  • Patent number: 11262493
    Abstract: A light guide plate, a backlight module and a display device in the field of display technology are provided. The light guide plate includes a light guide plate body and a prism structure located at at least one end of the light guide plate body. The prism structure includes a light incident surface and at least one reflective surface, and incident light from the light incident surface is can be reflected by the at least one reflective surface into the light guide plate body.
    Type: Grant
    Filed: August 24, 2017
    Date of Patent: March 1, 2022
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD
    Inventors: Hailong Li, Ning Wang, Xiaoliang Cheng, Xiaozhe Zhang, Yudong Liu
  • Publication number: 20210358385
    Abstract: A gate driving unit circuit comprises an input sub-circuit and an output sub-circuit. The input sub-circuit is connected to a first pull-up node, a second pull-up node, and an input terminal, and transmits a signal input from the input terminal to the first pull-up node and the second pull-up node. The output sub-circuit is connected to the first pull-up node, the second pull-up node, a first control terminal, a third control terminal, a first output terminal, and a second output terminal. The output sub-circuit transmits a signal input through the first control terminal to the first output terminal, and transmits a signal input through the third control terminal to the second output terminal under the control of a potential of the second pull-up node, wherein, an effective voltage of a signal of the first control terminal is greater than that of a signal of the third control terminal.
    Type: Application
    Filed: August 6, 2019
    Publication date: November 18, 2021
    Inventors: Xiong XIONG, Yifeng ZOU, Yudong LIU, Youlu LI
  • Patent number: 11119265
    Abstract: A light guide plate assembly, includes a light conductive layer and a plurality of light exit structures. The light conductive layer is configured to cause light entering the light conductive layer to be transmitted between two opposite surfaces of the light conductive layer. The plurality of light exit structures are disposed on one of the two opposite surfaces and spaced apart. The plurality of light exit structures are configured to enable a portion of the light to emit from the light conductive layer.
    Type: Grant
    Filed: November 2, 2018
    Date of Patent: September 14, 2021
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hailong Li, Yudong Liu, Ning Wang, Xiaozhe Zhang
  • Patent number: 10950323
    Abstract: A shift register unit is provided, which includes an input circuit, a first output circuit and a first output signal adjustment circuit. The input circuit is configured for receiving an input signal from an input terminal and controlling an electrical signal of a first node based on the input signal. The first output circuit is configured for outputting a first output signal at a first output terminal of the shift register unit based on a first clock signal under control of the electrical signal of the first node. The first output signal adjustment circuit is configured for providing a first reference signal to the first output terminal under control of the second clock signal so as to decrease an amplitude of the first output signal.
    Type: Grant
    Filed: January 10, 2019
    Date of Patent: March 16, 2021
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiong Xiong, Xiaozhe Zhang, Yudong Liu, Jianjun Wang
  • Publication number: 20200124780
    Abstract: A light guide plate assembly, includes a light conductive layer and a plurality of light exit structures. The light conductive layer is configured to cause light entering the light conductive layer to be transmitted between two opposite surfaces of the light conductive layer. The plurality of light exit structures are disposed on one of the two opposite surfaces and spaced apart. The plurality of light exit structures are configured to enable a portion of the light to emit from the light conductive layer.
    Type: Application
    Filed: November 2, 2018
    Publication date: April 23, 2020
    Inventors: Hailong LI, Yudong LIU, Ning WANG, Xiaozhe ZHANG
  • Publication number: 20200116916
    Abstract: A light guide plate, a backlight module and a display device in the field of display technology are provided. The light guide plate includes a light guide plate body and a prism structure located at at least one end of the light guide plate body. The prism structure includes a light incident surface and at least one reflective surface, and incident light from the light incident surface is can be reflected by the at least one reflective surface into the light guide plate body.
    Type: Application
    Filed: August 24, 2017
    Publication date: April 16, 2020
    Inventors: Hailong Li, Ning Wang, Xiaoliang Cheng, Xiaozhe Zhang, Yudong Liu
  • Patent number: 10606107
    Abstract: A display substrate and a display device are disclosed. The display substrate includes an active area and a non-active area, and an afterimage removing device for adsorbing charged ions by forming a potential difference is provided in the non-active area.
    Type: Grant
    Filed: July 28, 2017
    Date of Patent: March 31, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Jian Zhao, Yudong Liu, Huanyu Li, Mo Chen, Yang Zhang, Jilei Gao
  • Publication number: 20190318796
    Abstract: A shift register unit is provided, which includes an input circuit, a first output circuit and a first output signal adjustment circuit. The input circuit is configured for receiving an input signal from an input terminal and controlling an electrical signal of a first node based on the input signal. The first output circuit is configured for outputting a first output signal at a first output terminal of the shift register unit based on a first clock signal under control of the electrical signal of the first node. The first output signal adjustment circuit is configured for providing a first reference signal to the first output terminal under control of the second clock signal so as to decrease an amplitude of the first output signal.
    Type: Application
    Filed: January 10, 2019
    Publication date: October 17, 2019
    Inventors: Xiong XIONG, Xiaozhe ZHANG, Yudong LIU, Jianjun WANG
  • Patent number: 10403218
    Abstract: A Mura compensation circuit and method, a driving circuit and a display device are provided. The Mura compensation circuit comprises: a vertical Mura compensation unit, for providing a corresponding gamma voltage to a vertical block Mura region and a vertical non-Mura region of a display panel respectively, to compensate for a vertical Mura phenomenon; and/or a horizontal Mura compensation unit, for providing a corresponding gate drive signal and/or a corresponding charging/discharging control signal to a horizontal block Mura region and a horizontal non-Mura region of a display panel respectively, to compensate for a horizontal Mura phenomenon. The Mura compensation circuit can make the different regions of the display panel have the same display effect, and improve reduction of display quality caused by impedance difference at different positions of the display panel, thereby raising the quality of a picture, and can be promoted and applied widely.
    Type: Grant
    Filed: May 12, 2016
    Date of Patent: September 3, 2019
    Assignees: BOE Technology Group Co., Ltd., Hefei Xinsheng Optoelectronics Technology Co., Ltd.
    Inventors: Jian Zhao, Mo Chen, Yudong Liu, Xiong Xiong
  • Patent number: 10332807
    Abstract: An array substrate and a manufacturing method thereof are provided. The method for manufacturing the array substrate includes: forming a passivation layer on a base substrate; forming photoresist on the passivation layer, and forming a first photoresist pattern including a photoresist-completely-retained region, a photoresist-partially-retained region and a photoresist-completely-removed region, by exposure and development processes; forming a first through hole in the passivation layer by etching the passivation layer with the first photoresist pattern as a mask; forming a second photoresist pattern by performing ashing on the first photoresist pattern to remove the photoresist in the photoresist-partially-retained region and reduce a thickness of the photoresist in the photoresist-completely-retained region; and etching the passivation layer with the second photoresist pattern as a mask, so as to reduce a thickness of the passivation layer in the photoresist-partially-retained region.
    Type: Grant
    Filed: March 3, 2017
    Date of Patent: June 25, 2019
    Assignees: BOE Technology Group Co., Ltd., Hefei Xinsheng Optoelectronics Technology Co., Ltd.
    Inventors: Yudong Liu, Rongcheng Liu, Yunhai Wan
  • Patent number: 10293385
    Abstract: A foreign substance collection structure, a display device and an operation method thereof are provided. The foreign substance collection structure includes a frame and a first baffle plate. The frame includes a first inside wall, the first baffle plate is configured to move toward the first inside wall. The first baffle plate includes a first surface and is capable of being moved from a position away from the first inside wall to a position where the first surface of the first baffle plate faces the first inside wall; an adhesive layer is disposed on at least one of the first inside wall and the first surface, and the adhesive layer is configured to bond foreign substances appearing on the first inside wall and/or the first surface.
    Type: Grant
    Filed: November 17, 2017
    Date of Patent: May 21, 2019
    Assignees: BOE Technology Group Co., Ltd., Hefei Xinsheng Optoelectronics Technology Co., Ltd.
    Inventors: Hailong Li, Yudong Liu, Xiong Xiong, Xiaozhe Zhang, Ning Wang
  • Patent number: D996722
    Type: Grant
    Filed: January 30, 2021
    Date of Patent: August 22, 2023
    Inventor: Yudong Liu