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).
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Patent number: 12250929Abstract: A pet feeder includes: a housing, a heat conduction member, a temperature adjustment structure and a heat dissipation member that are arranged in the housing, a tray, a cover, and an actuating mechanism. The temperature adjustment structure includes a thermoelectric cooling member and a control module. The thermoelectric cooling member includes a first side connected to the heat conduction member and a second side in contact with the heat dissipation member. The control module is to control the first side of the thermoelectric cooling member to heat or cool. The tray is arranged in the housing and connected to the heat conduction member, and defines two compartments for placing pet food. The cover is arranged on the tray and defines a window in communication with the at least two compartments. The actuating mechanism is arranged in the housing and is to rotate the tray or the cover.Type: GrantFiled: October 18, 2023Date of Patent: March 18, 2025Assignee: UBTECH ROBOTICS CORP LTDInventors: Jin Li, Yudong Liu, Xinshui Huang, Xianglong Li, Jun Li
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Patent number: 12216307Abstract: Disclosed are a backlight module and a display apparatus. The backlight module includes a light guide plate (1), a light emitting surface (11) is divided into a light emitting region (A) and a peripheral region (B) surrounding the light emitting region (A); a lamp bar (2) having a light emergent direction facing a light incident surface (13); and a circuit board (3) connected with the lamp bar (2) and positioned at a side of a bottom surface (12) of the light guide plate (1), an overlapping portion between the circuit board (3) and the light guide plate (1) is formed into a connection region, and an orthographic projection of the connection region on the light emitting surface (11) is completely covers the peripheral region (B) and at least partially covers the light emitting region (A).Type: GrantFiled: March 28, 2022Date of Patent: February 4, 2025Assignees: Hefei Xinsheng Optoelectronics Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Hailong Li, Yudong Liu, Ning Wang
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Publication number: 20240415094Abstract: A pet feeder includes: a housing, a heat conduction member, a temperature adjustment structure and a heat dissipation member that are arranged in the housing, a tray, a cover, and an actuating mechanism. The temperature adjustment structure includes a thermoelectric cooling member and a control module. The thermoelectric cooling member includes a first side connected to the heat conduction member and a second side in contact with the heat dissipation member. The control module is to control the first side of the thermoelectric cooling member to heat or cool. The tray is arranged in the housing and connected to the heat conduction member, and defines two compartments for placing pet food. The cover is arranged on the tray and defines a window in communication with the at least two compartments. The actuating mechanism is arranged in the housing and is to rotate the tray or the cover.Type: ApplicationFiled: October 18, 2023Publication date: December 19, 2024Inventors: Jin Li, Yudong Liu, Xinshui Huang, Xianglong Li, Jun Li
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Publication number: 20240302584Abstract: Disclosed are a backlight module and a display apparatus. The backlight module includes a light guide plate (1), a light emitting surface (11) is divided into a light emitting region (A) and a peripheral region (B) surrounding the light emitting region (A); a lamp bar (2) having a light emergent direction facing a light incident surface (13); and a circuit board (3) connected with the lamp bar (2) and positioned at a side of a bottom surface (12) of the light guide plate (1), an overlapping portion between the circuit board (3) and the light guide plate (1) is formed into a connection region, and an orthographic projection of the connection region on the light emitting surface (11) is completely covers the peripheral region (B) and at least partially covers the light emitting region (A).Type: ApplicationFiled: March 28, 2022Publication date: September 12, 2024Inventors: Hailong LI, Yudong LIU, Ning WANG
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Patent number: 11954842Abstract: 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: GrantFiled: October 31, 2022Date of Patent: April 9, 2024Assignee: HUANENG NANJING JINLING POWER GENERATION CO., LTD.Inventors: Yudong Liu, Lei Wang, Kai Shi, Yong Xia, Xudong Si, Dongfang Li, Xuedong Liang
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Publication number: 20230069945Abstract: 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: ApplicationFiled: October 31, 2022Publication date: March 9, 2023Inventors: Yudong Liu, Lei Wang, Kai Shi, Yong Xia, Xudong Si, Dongfang Li, Xuedong Liang
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Patent number: 11468565Abstract: 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: GrantFiled: October 28, 2019Date of Patent: October 11, 2022Assignee: Institute of Computing Technology, Chinese Academy of SciencesInventors: Fei Ren, Zhiyong Liu, Yudong Liu
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Patent number: 11417261Abstract: 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: GrantFiled: August 6, 2019Date of Patent: August 16, 2022Assignees: Hefei Xinsheng Optoelectronics Technology Group Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xiong Xiong, Yifeng Zou, Yudong Liu, Youlu Li
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Publication number: 20220207726Abstract: 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: ApplicationFiled: October 28, 2019Publication date: June 30, 2022Applicant: Institute of Computing Technology, Chinese Academy of SciencesInventors: Fei REN, Zhiyong LIU, Yudong LIU
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Patent number: 11262493Abstract: 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: GrantFiled: August 24, 2017Date of Patent: March 1, 2022Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTDInventors: Hailong Li, Ning Wang, Xiaoliang Cheng, Xiaozhe Zhang, Yudong Liu
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Publication number: 20210358385Abstract: 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: ApplicationFiled: August 6, 2019Publication date: November 18, 2021Inventors: Xiong XIONG, Yifeng ZOU, Yudong LIU, Youlu LI
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Patent number: 11119265Abstract: 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: GrantFiled: November 2, 2018Date of Patent: September 14, 2021Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Hailong Li, Yudong Liu, Ning Wang, Xiaozhe Zhang
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Patent number: 10950323Abstract: 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: GrantFiled: January 10, 2019Date of Patent: March 16, 2021Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xiong Xiong, Xiaozhe Zhang, Yudong Liu, Jianjun Wang
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Publication number: 20200124780Abstract: 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: ApplicationFiled: November 2, 2018Publication date: April 23, 2020Inventors: Hailong LI, Yudong LIU, Ning WANG, Xiaozhe ZHANG
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Publication number: 20200116916Abstract: 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: ApplicationFiled: August 24, 2017Publication date: April 16, 2020Inventors: Hailong Li, Ning Wang, Xiaoliang Cheng, Xiaozhe Zhang, Yudong Liu
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Patent number: 10606107Abstract: 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: GrantFiled: July 28, 2017Date of Patent: March 31, 2020Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Jian Zhao, Yudong Liu, Huanyu Li, Mo Chen, Yang Zhang, Jilei Gao
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Publication number: 20190318796Abstract: 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: ApplicationFiled: January 10, 2019Publication date: October 17, 2019Inventors: Xiong XIONG, Xiaozhe ZHANG, Yudong LIU, Jianjun WANG
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Patent number: D996722Type: GrantFiled: January 30, 2021Date of Patent: August 22, 2023Inventor: Yudong Liu
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Patent number: D1078814Type: GrantFiled: December 14, 2023Date of Patent: June 10, 2025Assignee: UBTECH ROBOTICS CORPInventors: Dan Wu, Yudong Liu, Xinshui Huang
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Patent number: D1087492Type: GrantFiled: July 17, 2023Date of Patent: August 5, 2025Assignee: UBTECH ROBOTICS CORP LTDInventors: Yiping Li, Xinshui Huang, Jin Li, Yudong Liu