Patents by Inventor Dongdong Zhang
Dongdong Zhang 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: 11876308Abstract: The disclosure provides a micro-wave transducer and a manufacturing method thereof, and belongs to the technical field of communication. The micro-wave transducer includes: a dielectric layer having a first surface and a second surface oppositely arranged; a first electrode layer arranged on the first surface of the dielectric layer, and the reference electrode layer being provided with at least one first opening; at least one transducer electrode arranged on the second surface of the dielectric layer, wherein an orthographic projection of one transducer electrode on the dielectric layer is within an orthographic projection of one first opening on the dielectric layer; at least one first microstrip line arranged on the second surface of the dielectric layer, wherein one first microstrip line is configured to feed one transducer electrode.Type: GrantFiled: March 4, 2021Date of Patent: January 16, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Dongdong Zhang, Qianhong Wu, Shuo Zhang, Yali Wang, Zongmin Liu, Feng Qu
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Publication number: 20240000507Abstract: Disclosed is a medical treatment apparatus. The medical treatment apparatus includes a magnetic resonance imaging (MRI) device, configured for imaging of a specific region including a target object and generating a magnetic resonance image; a laser interstitial thermal therapy (LITT) device, including an LITT probe, the LITT probe being positioned close to the target object based on the magnetic resonance image, and being configured to treat the target object by emitting laser; and a temperature measurement element, the temperature measurement element and the LITT probe being integrated as an integrated probe, and the temperature measurement element being configured to obtain a temperature of the target object.Type: ApplicationFiled: November 3, 2022Publication date: January 4, 2024Applicant: Shanghai HROCT LITT Medical Technology Co., LTD.Inventors: Xiaofei CUI, Dongdong ZHANG, Yuqi FU, Muhammad Nasir GULZARI, Weibang BAI, Shihang CHEN, Moyang CHEN, Yinyan WANG, Peng WANG, Lei ZHU, Shengzhong LI
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Publication number: 20240001487Abstract: Disclosed is a medical treatment apparatus. The medical treatment apparatus includes a magnetic resonance imaging (MRI) device, configured for imaging of a specific region including a target object and generating a magnetic resonance image; a laser interstitial thermal therapy (LITT) device, including an LITT probe, the LITT probe being positioned close to the target object based on the magnetic resonance image, and being configured to treat the target object by emitting laser; and a temperature measurement element, the temperature measurement element and the LITT probe being integrated as an integrated probe, and the temperature measurement element being configured to obtain a temperature of the target object.Type: ApplicationFiled: November 3, 2022Publication date: January 4, 2024Applicant: Shanghai HROCT LITT Medical Technology Co., LTD.Inventors: Xiaofei CUI, Dongdong ZHANG, Yuqi FU, Muhammad Nasir GULZARI, Weibang BAI, Shihang CHEN, Moyang CHEN, Yinyan WANG, Peng WANG, Lei ZHU, Shengzhong LI
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Publication number: 20240007741Abstract: Provided is a method for correcting an image. In the method, the shooting device displays a preview picture, wherein the preview picture at least includes frames of a projection screen and a projected image; the shooting device displays adjustment prompt information in response to at least two of the frames of the projection screen in the preview picture being beyond a target region of the preview picture, wherein the adjustment prompt information is configured to instruct to adjust shooting parameters of the camera; the shooting device acquires, in response to a shoot operation, a shot image captured by the camera; the shooting device sends the shot image to a laser projection device; and the laser projection device corrects a projected image for display based on the shot image.Type: ApplicationFiled: September 14, 2023Publication date: January 4, 2024Inventors: Xu CHEN, Dongdong ZHANG
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Publication number: 20230422617Abstract: An organic electroluminescent device and a display apparatus. The organic electroluminescent device includes a light-emitting layer, including a triplet-triplet annihilation type host and a fluorescent dye, where the fluorescent dye has a structure represented by the following Formula (1) or Formula (2). When the fluorescent dye in the light-emitting layer of the organic electroluminescent device combines with the triplet-triplet annihilation type host, the voltage of the device can be reduced, and the luminescence efficiency of the device can be improved.Type: ApplicationFiled: September 13, 2023Publication date: December 28, 2023Applicants: KunShan Go-Visionox Opto-Electronics Co., Ltd, Tsinghua UniversityInventors: Guomeng LI, Lian DUAN, Yuewei ZHANG, Dongdong ZHANG, Minghan CAI, Baoyu LI, Mengzhen LI
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Publication number: 20230377147Abstract: The present disclosure provides a method and system for detecting a fundus image based on a dynamic weighted attention mechanism. Lesion information in a fundus image of a premature infant is detected using a fundus image segmentation model. First, the fundus image is consecutively downsampled. Dynamical weighted attention fusion is performed on an obtained downsampling feature and an obtained downsampling feature of an adjacent layer. The weighted and fused features are fused with an output feature of a corresponding upsampling layer. Finally, a classification convolution operation is performed on an output of an n-th upsampling layer to obtain a lesion probability for each pixel.Type: ApplicationFiled: May 18, 2023Publication date: November 23, 2023Applicant: BEIJING ZHENHEALTH TECHNOLOGY CO., LTD.Inventor: Dongdong Zhang
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Patent number: 11778908Abstract: The present disclosure relates to display technologies, and particularly discloses an organic electroluminescent device. This organic electroluminescent device includes a light-emitting layer, the light-emitting includes an exciplex composed of a donor molecule and an acceptor molecule, and a wide band gap material for increasing the inter-molecular spacing between the donor molecule and the acceptor molecule. According to the device of the present disclosure, the degree of orbital overlap of HOMO and LUMO of the formed exciplex and the singlet-triplet energy level difference can be reduced, the reverse intersystem crossing rate (kRISC) of the exciplex host can be increased, the Föster energy transferred to the guest molecule can be enhanced, and the efficiency and the lifetime of the device can be improved.Type: GrantFiled: November 14, 2019Date of Patent: October 3, 2023Assignees: KUNSHAN GO-VISIONOX OPTO-ELECTRONICS CO., LTD., TSINGHUA UNIVERSITYInventors: Lian Duan, Xiaozeng Song, Dongdong Zhang, Jinbei Wei
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Patent number: 11778902Abstract: The present disclosure relates to the field of display technologies, and particularly discloses an organic electroluminescent device. The organic electroluminescent device has a first electrode, a second electrode, and an organic functional layer. The organic functional layer comprises a light-emitting layer. The light-emitting layer comprises at least a host material and a guest material. The host material comprises an exciplex composed of a donor molecule and a receptor molecule, wherein the donor molecule and/or the receptor molecule contains a large steric hindrance substituent group X for increasing an inter-molecular distance between the donor molecule and the receptor molecule, which enables to enhance Foster energy transfer to the guest material molecule, improve device efficiency, inhibit Triplet-Polaron Annihilate Annihilation (TPA), and prolong the device lifetime.Type: GrantFiled: September 3, 2019Date of Patent: October 3, 2023Assignees: Kunshan Go-Visionox Opto-Electronics Co., Ltd., Tsinghua UniversityInventors: Lian Duan, Xiaozeng Song, Dongdong Zhang, Guomeng Li
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Patent number: 11755133Abstract: Disclosed are an array substrate, a manufacturing method thereof, and a display device. The array substrate includes: a base substrate; an electrode layer, located on the base substrate and including a first electrode and a second electrode which are spaced apart from each other; a touch electrode, located on the base substrate, and a touch wire, connected to the touch electrode; the touch electrode and the first electrode are insulated from each other, the touch electrode and the second electrode are insulated from each other, the touch wire is at one side of the touch electrode away from the base substrate, and the electrode layer is at one side of the touch electrode close to the base substrate.Type: GrantFiled: May 21, 2020Date of Patent: September 12, 2023Assignees: Ordos Yuansheng Optoelectronics Co., Ltd., BOE Technology Group Co., LtdInventors: Yaxiong Cao, Zhiqiang Wang, Xinchao Cui, Dongdong Zhang, Jianfei Tian, Peng Luo
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Publication number: 20230274419Abstract: The present disclosure provides a method, device and equipment for identifying and detecting a macular region in a fundus image. The method includes the following steps: reading a current fundus image to be positioned and detected; detecting a macular region in the fundus image using a target detection model; when the macular region in the fundus image is not detected, detecting an optic disk region in the fundus image, and identifying and positioning the macular region based on the detected optic disk region; based on a positioning result of the macular region, extracting a macular image corresponding to the macular region from the fundus image; and performing multi-modal processing on the macular image, fusing images obtained by the multi-modal processing to obtain a fused image, and detecting whether the macular region is qualified or not according to the fused image.Type: ApplicationFiled: August 17, 2021Publication date: August 31, 2023Inventor: DONGDONG ZHANG
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Patent number: 11669652Abstract: Disclosed is a robust topology optimization design method of a damping composite stiffened cylindrical shell box structure, comprising: constructing working load data, and obtaining circumferential target modal frequencies based on the working load data and the stiffened cylindrical shell box; laying constrained layer damping materials on the stiffened cylindrical shell box to construct a damping composite stiffened cylindrical shell box; constructing interval parameters based on the damping composite stiffened cylindrical shell box, and obtaining modal loss factor based on the interval parameters; constructing an objective function based on the modal loss factors, constructing design variables and constraint conditions based on the damping composite stiffened cylindrical shell box, integrating the objective function, design variables and constraint conditions to form an interval robust topology optimization model; updating the design variables based on the interval robust topology optimization model, and obtType: GrantFiled: September 19, 2022Date of Patent: June 6, 2023Assignees: Harbin Marine Boiler and Turbine Research Institute, BEIJING INSTITUTE OF TECHNOLOGY, University of Shanghai for Science and TechnologyInventors: Shenggang Luan, Hongzhi Ji, Yanjiong Yue, Xunmin Yin, Dongdong Zhang, Lihui Zhao, Shouwen Yao, Yingchun Bai
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Publication number: 20230159959Abstract: The present application discloses a Bacillus sp. producing a bioflocculant and a biosurfactant. The microbial classification of the Bacillus sp. is named Bacillus sp. SS15, which has been preserved in China Center for Type Culture Collection on Mar. 29, 2021, and its preservation number is CCTCC M2021295; the 16S rRNA sequence of SS15 is shown as SEQ ID NO.1. Bacillus sp. SS15 obtained by the present application has the function of simultaneously producing a bioflocculant and a biosurfactant. The bioflocculant and biosurfactant produced by Bacillus sp. SS15 of the present application not only have high activity, but also show strong tolerance in the ranges of pH (2-12), temperature (4° C.-100° C.) and salinity (0-100 g/L). Meanwhile, they can be applied to the remediation of a fracturing flowback liquid and can effectively promote the removal of chroma, suspended solids, COD, n-alkanes and polycyclic aromatic hydrocarbons at the same time.Type: ApplicationFiled: January 16, 2023Publication date: May 25, 2023Inventors: Chunfang ZHANG, Feng ZENG, Hanghai ZHOU, Lijia JIANG, Dongdong ZHANG, Yanhong LI, Shichen LI
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Patent number: 11646489Abstract: The present disclosure provides a phase shifter and a manufacturing method thereof, and an antenna. The phase shifter includes a first substrate including a reference electrode, and a second substrate including a delay line and a bias line. An orthographic projection of the bias line on the first substrate and that of the delay line, at least partially overlap with that of the reference electrode respectively. The orthographic projection of the bias line on the first substrate does not overlap with that of the delay line. The delay line is used for transmitting a microwave signal and defining a microwave transmission region. When electrical signals are applied to the reference electrode, the delay line and the bias line, electric field areas formed respectively between the reference electrode and the delay line, and between the reference electrode and the bias line, cover the microwave transmission region.Type: GrantFiled: March 27, 2020Date of Patent: May 9, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xiyuan Wang, Yali Wang, Dongdong Zhang
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Patent number: 11646488Abstract: The present disclosure provides a phase shifter and a manufacturing method thereof, and an antenna. The phase shifter includes a first substrate and a second substrate, and a medium layer arranged between them. The first substrate includes a reference electrode arranged on a side of a first base substrate close to the medium layer, and the second substrate includes a delay line arranged on a side of a second base substrate close to the medium layer. An orthographic projection on the first substrate of the delay line at least partially overlaps with that of the reference electrode. A line spacing and/or a line width of the delay line is enable to make a cell thickness between the first substrate and the second substrate be 20 ?m-75 ?m.Type: GrantFiled: March 27, 2020Date of Patent: May 9, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xiyuan Wang, Yali Wang, Dongdong Zhang, Feng Qu
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Publication number: 20230134615Abstract: A method of processing a task, an electronic device, and a storage medium are provided, which relate to a field of artificial intelligence, in particular to fields of deep learning and computer vision, and may be applied to OCR optical character recognition and other scenarios. The method includes: parsing labeled data to be processed according to a task type identification, to obtain task labeled data, a tag information of the task labeled data is matched with the task type identification, and the task labeled data includes first task labeled data and second task labeled data; training a model using the first task labeled data, to obtain candidate models, the model is determined according to the task type identification; and determining a target model from the candidate models according to a performance evaluation result obtained by performing performance evaluation on the plurality of candidate models using the second task labeled data.Type: ApplicationFiled: December 27, 2022Publication date: May 4, 2023Inventors: Qunyi XIE, Dongdong ZHANG, Xiameng QIN, Mengyi EN, Yangliu XU, Yi CHEN, Ju HUANG, Kun YAO
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Patent number: 11620763Abstract: The present disclosure relates to a method and device for recognizing a fundus image, and equipment. The method includes: obtaining an acquired fundus image, and pre-processing the acquired fundus image; inputting the pre-processed fundus image to a trained optic disc (OD) prediction model, and performing OD prediction on the fundus image by the OD prediction model to obtain a corresponding OD prediction map, where the OD prediction map is marked with one or more located candidate areas of the OD; and obtaining the OD prediction map and performing ellipse fitting to obtain ellipse fitting parameters of the candidate areas of the OD, and determining an OD area in the fundus image based on the number of the candidate areas of the OD and the ellipse fitting parameters.Type: GrantFiled: August 17, 2021Date of Patent: April 4, 2023Assignee: BEIJING ZHENHEALTH TECHNOLOGY CO., LTD.Inventors: Liming Dai, Hongyang Jiang, Zhanbo Yang, Dongdong Zhang
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Publication number: 20230099953Abstract: Disclosed is a robust topology optimization design method of a damping composite stiffened cylindrical shell box structure, comprising: constructing working load data, and obtaining circumferential target modal frequencies based on the working load data and the stiffened cylindrical shell box; laying constrained layer damping materials on the stiffened cylindrical shell box to construct a damping composite stiffened cylindrical shell box; constructing interval parameters based on the damping composite stiffened cylindrical shell box, and obtaining modal loss factor based on the interval parameters; constructing an objective function based on the modal loss factors, constructing design variables and constraint conditions based on the damping composite stiffened cylindrical shell box, integrating the objective function, design variables and constraint conditions to form an interval robust topology optimization model; updating the design variables based on the interval robust topology optimization model, and obtType: ApplicationFiled: September 19, 2022Publication date: March 30, 2023Applicants: Harbin Marine Boiler and Turbine Research Institute, BEIJING INSTITUTE OF TECHNOLOGY, University of Shanghai for Science and TechnologyInventors: Shenggang LUAN, Hongzhi JI, Yanjiong YUE, Xunmin YIN, Dongdong ZHANG, Lihui ZHAO, Shouwen YAO, Yingchun BAI
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Publication number: 20230071974Abstract: An antenna includes: a dielectric layer having a first surface and a second surface opposite to each other in a thickness direction thereof; a reference electrode layer on the first surface of the dielectric layer, wherein at least one side edge thereof is each provided with at least one first slot which is arc-shaped; at least one radiation element on the second surface of the dielectric layer, wherein an orthographic projection of each radiation element on the dielectric layer is within an orthographic projection of one first slot on the dielectric layer; and at least one first microstrip line on the second surface of the dielectric layer, wherein each first microstrip line is electrically connected to the radiation patch, and an orthographic projection of the first microstrip line on the dielectric layer at least partially overlaps an orthographic projection of the reference electrode layer on the dielectric layer.Type: ApplicationFiled: October 28, 2021Publication date: March 9, 2023Inventors: Qianhong WU, Shuo ZHANG, Dongdong ZHANG, Feng QU
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Publication number: 20230048495Abstract: A method and a platform of generating a document, an electronic device, and a storage medium are provided, which relate to a field of an artificial intelligence technology, in particular to fields of computer vision and deep learning technologies, and may be applied to a text recognition scenario and other scenarios. The method includes: performing a category recognition on a document picture to obtain a target category result; determining a target structured model matched with the target category result; and performing, by using the target structured model, a structure recognition on the document picture to obtain a structure recognition result, so as to generate an electronic document based on the structure recognition result, wherein the structure recognition result includes a field attribute recognition result and a field position recognition result.Type: ApplicationFiled: October 26, 2022Publication date: February 16, 2023Applicant: BEIJING BAIDU NETCOM SCIENCE TECHNOLOGY CO., LTD.Inventors: Qunyi XIE, Xiameng QIN, Mengyi EN, Dongdong ZHANG, Ju HUANG, Yangliu XU, Yi CHEN, Kun YAO
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Patent number: D1000163Type: GrantFiled: August 1, 2022Date of Patent: October 3, 2023Inventor: Dongdong Zhang