Patents by Inventor Zhidong WANG
Zhidong WANG 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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Publication number: 20250148586Abstract: A method for detecting a display panel defect, including: collecting a panel image of a to-be-detected display panel, a plurality of first pixels of the display panel corresponding to a plurality of second pixels in the panel image; converting the panel image into a binary image; dilating each bright spot region in the binary image such that adjacent bright spot regions communicate with each other to form at least one closed communication region in the binary image; determining a region of interest mask image in the binary image in accordance with the at least one closed communication region; determining a region of interest in accordance with the region of interest mask image and the panel image; and performing feature identification on the region of interest to determine a defect of the display panel.Type: ApplicationFiled: January 8, 2025Publication date: May 8, 2025Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Hao TANG, Ronghua LAN, Jiuyang CHENG, Shuo ZHOU, Zhong HUANG, Guo JIANG, Li WANG, Lijia ZHOU, Zhidong WANG, Lirong XU, Quanguo ZHOU
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Publication number: 20250130661Abstract: A display panel, including an active area and a peripheral area, which is located outside of the active area, wherein the active area comprises a base substrate, and a display structure layer and a touch structure layer sequentially arranged on the base substrate; the peripheral area includes an isolation dam, a first ground trace and a second ground trace arranged on the base substrate; and the first ground trace is located at a side of the isolation dam close to the active area, and the second ground trace is located at a side of the isolation dam away from the active area.Type: ApplicationFiled: January 2, 2025Publication date: April 24, 2025Inventors: Chang LUO, Xiping LI, Hongwei MA, Ming HU, Wei HE, Youngyik KO, Haijun QIU, Yi ZHANG, Taofeng XIE, Tianci CHEN, Qun MA, Xinghua LI, Ping WEN, Yang ZHOU, Yuanqi ZHANG, Xiaoyan YANG, Shun ZHANG, Pandeng TANG, Yang ZENG, Tong ZHANG, Xiaofei HOU, Zhidong WANG, Haoyuan FAN, Jinhwan HWANG
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Publication number: 20250077186Abstract: Embodiments of the present disclosure relate to a method for generating a random number comprising: receiving a random number generation instruction; extracting physical information of a picture displayed on a display screen; generating a random number matrix based on the physical information; and generating a random number based on the random number matrix. Embodiments of the present disclosure also relate to a device for generating a random number.Type: ApplicationFiled: August 29, 2023Publication date: March 6, 2025Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: ZHIDONG WANG, YOUXIANG XIA, HONGBO FENG, QUANGUO ZHOU, MENG GUO, JIUYANG CHENG
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Patent number: 12236565Abstract: A method for classifying an image of a displaying base plate includes: acquiring an image to be checked; from a first predetermined-type set, determining a type of the image to be checked. The first predetermined-type set includes: a first image type, a second image type and a third image type. An image of the first image type is a no-defect image, an image of the second image type is a blurred image, and an image of the third image type is a defect image. When the type of the image to be checked is the third image type, by using a first convolutional neural network, determining a defect data of the image to be checked, wherein the defect image refers to an image of a displaying base plate having a defect, and the defect data contains a defect type of the displaying base plate in the image to be checked.Type: GrantFiled: September 15, 2021Date of Patent: February 25, 2025Assignee: BOE Technology Group Co., Ltd.Inventors: Quanguo Zhou, Kaiqin Xu, Jiahong Zou, Guolin Zhang, Xun Huang, Qing Zhang, Zhidong Wang, Lijia Zhou, Hongxiang Shen, Jiuyang Cheng, Hao Tang
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Patent number: 12229360Abstract: A display panel, including an active area and a peripheral area, which is located outside of the active area, wherein the active area comprises a base substrate, and a display structure layer and a touch structure layer sequentially arranged on the base substrate; the peripheral area includes an isolation dam, a first ground trace and a second ground trace arranged on the base substrate; and the first ground trace is located at a side of the isolation dam close to the active area, and the second ground trace is located at a side of the isolation dam away from the active area.Type: GrantFiled: January 9, 2023Date of Patent: February 18, 2025Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Chang Luo, Xiping Li, Hongwei Ma, Ming Hu, Wei He, Youngyik Ko, Haijun Qiu, Yi Zhang, Taofeng Xie, Tianci Chen, Qun Ma, Xinghua Li, Ping Wen, Yang Zhou, Yuanqi Zhang, Xiaoyan Yang, Shun Zhang, Pandeng Tang, Yang Zeng, Tong Zhang, Xiaofei Hou, Zhidong Wang, Haoyuan Fan, Jinhwan Hwang
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Patent number: 12205269Abstract: A method for detecting a display panel defect, including: collecting a panel image of a to-be-detected display panel, a plurality of first pixels of the display panel corresponding to a plurality of second pixels in the panel image; converting the panel image into a binary image; dilating each bright spot region in the binary image such that adjacent bright spot regions communicate with each other to form at least one closed communication region in the binary image; determining a region of interest mask image in the binary image in accordance with the at least one closed communication region; determining a region of interest in accordance with the region of interest mask image and the panel image; and performing feature identification on the region of interest to determine a defect of the display panel.Type: GrantFiled: June 11, 2021Date of Patent: January 21, 2025Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Hao Tang, Ronghua Lan, Jiuyang Cheng, Shuo Zhou, Zhong Huang, Guo Jiang, Li Wang, Lijia Zhou, Zhidong Wang, Lirong Xu, Quanguo Zhou
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Publication number: 20250011865Abstract: Provided is a kit for calibration of an isothermal polymerase chain reaction (PCR) analyzer and use thereof. The kit includes a standard substance, an amplification primer set, a reaction buffer, a polymerase, a dye, and a negative control. The standard substance is a DNA plasmid with a gradient concentration of 100 copies/?L to 106 copies/?L; the amplification primer set has nucleotide sequences shown in SEQ ID NO: 1 to SEQ ID NO: 6; the polymerase is a Bst DNA polymerase; and the dye is a loop-mediated isothermal amplification (LAMP) fluorescent dye (with excitation: 485 nm, emission: 498 nm, and a detection channel of SYBR® Green I or a FAM channel). The kit and a technology for calibration of an isothermal PCR instrument meet calibration demands of the isothermal PCR instrument and fill a technical gap.Type: ApplicationFiled: March 8, 2024Publication date: January 9, 2025Inventors: Yunhua GAO, Xian CHEN, Di WANG, Yue FEI, Zhidong WANG, Xiao WU, Song LU
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Patent number: 12188829Abstract: A sensor includes: a substrate and at least one infrared temperature measurement unit disposed on the substrate. An infrared temperature measurement sub-unit includes: a first support portion, at least one second support portion, a thermocouple, and an infrared absorption portion. The thermocouple includes a first electrode and a second electrode, each of which includes a first end and a second end; the first ends of the first electrode and the second electrode are connected and disposed on the first support portion; the infrared absorption portion is disposed on the first support portion and covers the first ends of the first electrode and the second electrode; the second ends of the first electrode and the second electrode are not connected and disposed on the second support portion; and in the infrared temperature measurement unit, a cavity structure is included between at least the adjacent first and second support portions.Type: GrantFiled: August 20, 2021Date of Patent: January 7, 2025Assignee: BOE Technology Group Co., Ltd.Inventors: Fan Li, Junrui Zhang, Ronghua Lan, Zhidong Wang, Lijia Zhou
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Publication number: 20240303479Abstract: Disclosed is a model training method, a performance prediction method, an apparatus, a device and a medium, which relate to the technical field of display. The model training method includes acquiring a training sample set, wherein the training sample set includes: training design data and test data of a sample display device; inputting the training sample design data into a model to be trained, and training the model to be trained according to an output of the model to be trained and the training sample test data to obtain an initial prediction model; when the initial prediction model satisfies a pre-set condition, determining the initial prediction model as a performance prediction model; and a performance prediction model for predicting performance data of a target display device.Type: ApplicationFiled: March 30, 2022Publication date: September 12, 2024Applicant: BOE Technology Group Co., Ltd.Inventors: Quanguo Zhou, Jie Wang, Zhidong Wang, Cheng Zeng, Lirong Xu, Qing Zhang, Hao Tang, Lijia Zhou
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Patent number: 12004508Abstract: The present disclosure provides a dispersant obtained from the reaction of a styrene maleic anhydride and a polyether monoamine. The dispersant may be combined with a pesticide and water to form an aqueous agricultural composition.Type: GrantFiled: February 22, 2017Date of Patent: June 11, 2024Assignee: Indorma Ventures Oxides LLCInventors: Alan J. Stern, Matthew T. Meredith, Zhidong Wang, Rowan Brown
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Publication number: 20240185115Abstract: The disclosure provides a method and apparatus for early warning of dry pump shutdown, an electronic device, a storage medium and a program, and belongs to the technical field of automatic control. The method comprises: obtaining historical operating data of a dry pump; building a Kalman filter model by using the historical operating data; predicting predicted operating data of the dry pump through the Kalman filter model; training a shutdown prediction model by using the historical operating data and the predicted operating data; and inputting current operating data of the dry pump into the trained shutdown prediction model to obtain shutdown early warning information of the dry pump.Type: ApplicationFiled: September 24, 2021Publication date: June 6, 2024Inventors: Qing ZHANG, Quanguo ZHOU, Lijia ZHOU, Jiuyang CHENG, Zhidong WANG, Ruwang GUO, Lirong XU, Junrui ZHANG, Xuehui ZHU, Meng GUO
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Patent number: 12000828Abstract: An embodiment of the disclosure provides an immunodetection chip, an immunodetection device and a using method. The immunodetection chip includes a substrate and a cover plate. The substrate is disposed opposite to the cover plate to form a detection chamber. One side, facing the cover plate, of the substrate is fixedly provided with substrate antibodies. An inside wall of the detection chamber is provided with a detection member. The detection member is configured to output a corresponding electrical signal while adsorbing biological magnetic beads. The substrate antibodies match with target antigens.Type: GrantFiled: March 25, 2019Date of Patent: June 4, 2024Assignee: BOE Technology Group Co., Ltd.Inventors: Hao Tang, Quanguo Zhou, Jiuyang Cheng, Lijia Zhou, Zhidong Wang, Yancheng Lu, Ronghua Lan
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Publication number: 20240160306Abstract: A display panel, including an active area and a peripheral area, which is located outside of the active area, wherein the active area comprises a base substrate, and a display structure layer and a touch structure layer sequentially arranged on the base substrate; the peripheral area includes an isolation dam, a first ground trace and a second ground trace arranged on the base substrate; and the first ground trace is located at a side of the isolation dam close to the active area, and the second ground trace is located at a side of the isolation dam away from the active area.Type: ApplicationFiled: January 9, 2023Publication date: May 16, 2024Inventors: Chang LUO, Xiping LI, Hongwei MA, Ming HU, Wei HE, Youngyik KO, Haijun QIU, Yi ZHANG, Taofeng XIE, Tianci CHEN, Qun MA, Xinghua LI, Ping WEN, Yang ZHOU, Yuanqi ZHANG, Xiaoyan YANG, Shun ZHANG, Pandeng TANG, Yang ZENG, Tong ZHANG, Xiaofei HOU, Zhidong WANG, Haoyuan FAN, Jinhwan HWANG
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Publication number: 20240163560Abstract: In the technical field of display devices, there is a problem of low efficiency in image appearance inspection during the processing process of a display panel. In view of this, provided is an image acquisition system, comprising: a control device, an object loading device and an image acquisition apparatus. The control device is used for obtaining a target value of displacement between the object loading apparatus and the image acquisition apparatus according to an image signal, generating a control command, which carries the target displacement value, and then sending the control command to at least one of the object loading device and the image acquisition apparatus; and at least one of the object loading apparatus and the image acquisition apparatus moves according to the control command, until the definition of the image signal received by the control device in real time is greater than a preset definition threshold value.Type: ApplicationFiled: January 4, 2023Publication date: May 16, 2024Applicant: BOE Technology Group Co., Ltd.Inventors: Quanguo Zhou, Xuehui Zhu, Lirong Xu, Zhidong Wang, Hao Tang, Qing Zhang, Lijia Zhou
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Patent number: 11956510Abstract: The present disclosure provides a video processing method, including: determining, according to a consulting message, a target short video corresponding to the consulting message; and pushing the target short video to a terminal sending the consulting message. The present disclosure further provides a live streaming processing method, an electronic apparatus, a live streaming system, a terminal, and a computer-readable storage medium. The video processing method can improve the user experience during a live streaming process.Type: GrantFiled: June 8, 2021Date of Patent: April 9, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lijia Zhou, Zhidong Wang, Xiuru Sun, Meng Guo, Hao Tang
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Publication number: 20240070848Abstract: Provided is a method of training an image recognition model, the model is configured to detect a defect region in an image of a display substrate, the display substrate includes a display area and a connection area, and the method includes: acquiring a first training sample including images of n display substrates; dividing each of the images of n display substrates into a first sub image and a second sub image, the first sub image is an image of a display area, and the second sub image is an image of a connection area; inputting the first training sample into the image recognition model, the first training sample includes the first sub image and the second sub image; and adjusting at least one feature parameter of the image recognition model to reduce a difference between an output value of the model and a training value of the first training sample.Type: ApplicationFiled: September 21, 2022Publication date: February 29, 2024Applicant: BOE Technology Group Co., Ltd.Inventors: Qing ZHANG, Quanguo ZHOU, Jiuyang CHENG, Lijia ZHOU, Zhidong WANG, Hao TANG, Meng GUO
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Publication number: 20230419466Abstract: Provided are a method and apparatus for identifying the defect grade of a bad picture, and a storage medium. The method includes: determining the defect size of a defect from a bad picture; according to a product model corresponding to the bad picture, determining the design size of a pattern corresponding to a component that is adjacent to the position of the defect; determining the defect grade of the defect according to the defect type of the defect and a magnitude relationship between the defect size and the design size, wherein the defect grade is the degree to which the defect affects product yield.Type: ApplicationFiled: November 26, 2020Publication date: December 28, 2023Inventors: Quanguo ZHOU, Kaiqin XU, Jiahong ZOU, Guolin ZHANG, Xun HUANG, Qing ZHANG, Lijia ZHOU, Zhidong WANG, Hongxiang SHEN, Hao TANG, Jiuyang CHENG
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Patent number: 11779443Abstract: The present disclosure provides a rotation type electric toothbrush. The electric toothbrush includes a brush handle module, a vibration module and a brush head module having a brush base, a brush cover and bristles. The brush cover and the brush base are in a detachable connection. The bristles are disposed on the brush base. The brush base includes a groove. The vibration module includes a motor and an eccentric shaft having a transmission connection with the motor. The eccentric shaft inserts into the groove. When the rotation type electric toothbrush is working, the eccentric shaft rotates eccentrically to contact a side surface of the groove, so as to drive the brush base and the brush cover to have a reciprocating rotation synchronously.Type: GrantFiled: August 25, 2020Date of Patent: October 10, 2023Inventors: Jiacheng Huang, Yubin Li, Xiu Zou, Zhidong Wang, Lilin Xu, Hongtao Zhao, Yuqiang Zhao, Rongjin Zheng
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Patent number: D1030039Type: GrantFiled: July 21, 2021Date of Patent: June 4, 2024Assignee: Thumbs Up Innovations Technology Co., Ltd.Inventors: Zhihui Yang, Yuqiang Zhao, Yubin Li, Xiu Zou, Zhidong Wang, Jiacheng Huang, Lilin Xu, Yuanhua Sun
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Patent number: D1054705Type: GrantFiled: September 22, 2022Date of Patent: December 24, 2024Assignee: Thumbs Up Innovations Technology Co., Ltd.Inventors: Mingxiong Hu, Zhihui Yang, Jiacheng Huang, Li Chen, Lilin Xu, Xiu Zou, Zhidong Wang