Patents by Inventor Jianjun Wang
Jianjun 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: 20230070022Abstract: A display panel includes an array substrate and an opposite substrate that are disposed opposite to each other, a liquid crystal layer disposed between the array substrate and the opposite substrate, and a plurality of spacers disposed on a side of the opposite substrate proximate to the array substrate. The array substrate includes a substrate and at least one metal platform disposed on a side of the substrate proximate to the opposite substrate. At least one spacer of the plurality of spacers is disposed opposite to the metal platform; and an orthographic projection of an end, proximate to the substrate, of the spacer on the substrate is located within an orthographic projection of the metal platform on the substrate.Type: ApplicationFiled: August 5, 2021Publication date: March 9, 2023Inventors: Jianjun WANG, Jiliang ZHANG, Yuting HE, Wei CAO, Yupeng WANG
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Patent number: 11561887Abstract: An automatic testing method and apparatus are provided. In the method, a Software Development Kit (SDK) interface is configured and User Interface (UI) rendering data which includes a plurality of UI controls is obtained through the SDK interface. The UI rendering data is a standardized data structure processed through the SDK interface. An operation event of a user on the UI rendering data is received, and a simulation operation of the user on the UI rendering data on a terminal device is determined according to the operation event. Position information of a UI control corresponding to the simulation operation is determined, and a UI automated test script is determined according to the position information and the simulation operation. The UI automated test script is run and debugged using an automated test framework.Type: GrantFiled: November 16, 2018Date of Patent: January 24, 2023Assignee: NETEASE (HANGZHOU) NETWORK CO., LTD.Inventors: Xiang Li, Jianjun Wang, Xin Liu
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Patent number: 11554823Abstract: A cartridge pin assembly in a track chain assembly includes a sleeve bearing having a flared end.Type: GrantFiled: September 9, 2019Date of Patent: January 17, 2023Assignee: Caterpillar Inc.Inventors: Benjamin I. Jones, Jianjun Wang
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Publication number: 20230011905Abstract: A display panel driving method, a drive circuit thereof, and a display device. The method comprises: when determined that the picture to be displayed belongs to a high power consumption display picture, providing a touch control and display integrated circuit and power supply management circuit of the display panel with a second reference voltage that is amplified by a first reference voltage and that is provided by an external voltage source, and driving each pixel to ensure the normal display of the high power consumption display picture; and when determined that the picture to be displayed belongs to a low power consumption display picture, directly providing the first reference voltage to the touch control and display integrated circuit and power supply management circuit of the display panel, and driving each pixel within the display panel so as to ensure the normal display of the low power consumption picture.Type: ApplicationFiled: February 9, 2021Publication date: January 12, 2023Inventors: Yuanyuan LIU, Xuanxuan QIAO, Zhenzhou XING, Xiaozhe ZHANG, Jianjun WANG
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Publication number: 20230010651Abstract: A system and method for collecting data regarding operation of a robot using, at least in part, responses from a first operation model to an input of sensed data from a plurality of sensors. The collected data can be used to optimize the first operation model to generate a second operation model. While the first operation model is being optimized, a train data-driven model that utilizes an end-to-end learning approach can be generated that is based, at least in part, on the collected data. Both the second operation model and the train data-driven model can be evaluated, and, based on such evaluation, a determination can be made as to whether the train data-driven model is reliable. Moreover, based on a comparison of the models, one of the second operation model and the train data-driven model can be selected for validation, and if validated, used in the operation of the robot.Type: ApplicationFiled: October 29, 2019Publication date: January 12, 2023Applicant: ABB Schweiz AGInventors: Biao Zhang, Saumya Sharma, Yixin Liu, Jianjun Wang, Jorge Vidal-Ribas, Jordi Artigas, Ramon Casanelles
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Patent number: 11548158Abstract: A system and method that automatically resolves conflicts among sensor information in a sensor fusion robot system. Such methods can accommodate converging ambiguous and divergent sensor information in a manner that can allow continued, and relatively accurate, robotic operations. The processes can include handling sensor conflict via sensor prioritization, including, but not limited, prioritization based on the particular stage or segment of the assembly operation when the conflict occurs, overriding sensor data that exceeds a threshold value, and/or prioritization based on evaluations of recent sensor performance, predictions, system configuration, and/or historical information. The processes can include responding to sensor conflicts through comparisons of the accuracy of workpiece location predictions from different sensors during different assembly stages in connection with arriving at a determination of which sensor(s) is providing accurate and reliable predictions.Type: GrantFiled: April 17, 2020Date of Patent: January 10, 2023Assignee: ABB Schweiz AGInventors: Biao Zhang, Jianjun Wang, Yixin Liu, Saumya Sharma, Jorge Vidal-Ribas, Jordi Artigas, Ramon Casanelles
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Publication number: 20220410397Abstract: A system and method for use of artificial and nature racking features to calibrate sensors and tune a robotic control system of a sensor fusion guided robotic assembly. The artificial tracking features can have a configuration, or be at a location, that may be less susceptible to noise and error. Thus, the sensors can at least initially be calibrated, and the control system initially tuned, using the first tracking features until the sensors and control system satisfy operation performance criteria. Second tracking features, which may correspond to features on a workpiece that will be utilized in an assembly operation performed by the robot. By pre-calibrating the sensors, and pre-tuning the control system prior to calibration using the second tracking features, sensor calibration and system tuning based on the second tracking features can be attained faster and with less complexity.Type: ApplicationFiled: October 29, 2019Publication date: December 29, 2022Applicant: ABB Schweiz AGInventors: Biao Zhang, Saumya Sharma, Yixin Liu, Jianjun Wang, William J. Eakins, Andrew M. Salm, Yun Hsuan Su, Jorge Vidal-Ribas, Jordi Artigas, Ramon Casanelles
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Publication number: 20220415225Abstract: An overcurrent protection circuit includes: a sampling sub-circuit configured to acquire gate input signals, select a gate input signal with a voltage value greater than a first preset voltage value as a sample gate input signal, generate a first control signal according to the sample gate input signal, and output the first control signal; a delay determination sub-circuit configured to receive the first control signal, delay the first control signal for a first preset time, determine whether a voltage value of the first control signal after delay is less than a voltage value of the first control signal before the delay, and if not, output a counting signal; and a counting control sub-circuit configured to receive the counting signal, perform counting according to the counting signal, and if a counted number reaches a preset number, output a second control signal.Type: ApplicationFiled: May 17, 2021Publication date: December 29, 2022Applicants: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xianfeng YUAN, Jianjun WANG, Xiaoshi LIU, Junbo XU, Rui WANG, Yuanyuan LIU, Xuanxuan QIAO
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Publication number: 20220402136Abstract: A system and method for determining performance of a robot. In one form the robot is constructed as you assembling automotive workpieces onto an automobile assembly. In one form the robot accomplishes the task of assembling an automotive workpiece onto the automotive assembly by using vision feedback and force feedback. The vision feedback can use any number of features perform its function. Such features can include an artificial feature such as but not limited to a QR code, as well as a natural feature such as a portion of the workpiece or automotive assembly. In one embodiment the robot is capable of detecting a collision event and assessing the severity of the collision event. In another embodiment the robot is capable of evaluating its performance by attracting a performance metric against a performance threshold, and comparing a sensor fusion output with a sensor fusion output reference.Type: ApplicationFiled: October 29, 2019Publication date: December 22, 2022Applicant: ABB Schweiz AGInventors: Biao Zhang, Saumya Sharma, Yixin Liu, Jianjun Wang, Will Eakins, Andrew Salm, Yun Hsuan Su, Jorge Vidal-Ribas, Ramon Casanelles, Jordi Artigas
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Patent number: 11518027Abstract: A robotic system is provided for assembling parts together. In the assembly process, both parts are moving separately with one part moving on an assembly base and another part moving on a moveable arm of a robot base. Motion data is measured by an inertial measurement unit (IMU) sensor. Movement of the robot base or moveable arm is then compensated based on the measured motion to align the first and second parts with each other and assemble the parts together.Type: GrantFiled: May 1, 2020Date of Patent: December 6, 2022Assignee: ABB Schweiz AGInventors: Biao Zhang, Saumya Sharma, Yixin Liu, Jianjun Wang, Will Eakins, Andrew M. Salm, Yun Hsuan Su, Jorge Vidal-Ribas, Jordi Artigas, Ramon Casanelles
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Patent number: 11481892Abstract: A method is disclosed for inspecting electrical components within a housing. The method may be useful for identifying dust, grime, corrosion, tree-like structures, edges and/or slots on electrical components. The method includes capturing two optical images of an electrical component and comparing the images. Variations in pixels between the two images may be used to generate warnings.Type: GrantFiled: May 7, 2020Date of Patent: October 25, 2022Assignee: ABB SCHWEIZ AGInventors: Gregory F. Rossano, Gregory A. Cole, Tomas Kozel, Jianjun Wang
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Publication number: 20220326564Abstract: A display panel, a manufacturing method thereof and a display device are provided. The display panel includes a display area and a frame area surrounding the display area, and includes an array substrate and a color filter substrate. The color filter substrate includes a substrate, first support structures in the display area and second support structures in the frame area; each first support structure includes a first main support part in contact with the array substrate and a first auxiliary support part having a first gap with the array substrate; each second support structure includes a second main support part in contact with the array substrate and a second auxiliary support part having a second gap with the array substrate; and a thickness of the first auxiliary support part is greater than a thickness of the second auxiliary support part.Type: ApplicationFiled: June 28, 2022Publication date: October 13, 2022Inventors: Wei CAO, Yupeng WANG, Jianjun WANG, Jiliang ZHANG, Yuting HE, Bingyue WANG
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Publication number: 20220284547Abstract: An SR image reconstruction method based on deep convolutional sparse coding (DCSC) is provided. The method includes: embedding a multi-layer learned iterative soft thresholding algorithm (ML-LISTA) of a multi-layer convolutional sparse coding (ML-CSC) model into a deep convolutional neural network (DCNN), adaptively updating all parameters of the ML-LISTA with a learning ability of the DCNN, and constructing an SR multi-layer convolutional sparse coding (SRMCSC) network which is an interpretable end-to-end supervised neural network for SR image reconstruction; and introducing residual learning, extracting a residual feature with the ML-LISTA, and reconstructing a high-resolution (HR) image in combination with the residual feature and an input image, thereby accelerating a training speed and a convergence speed of the SRMCSC network.Type: ApplicationFiled: February 22, 2022Publication date: September 8, 2022Inventors: Jianjun Wang, Ge Chen, Jia Jing, Weijun Ma, Xiaohu Luo
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Publication number: 20220277703Abstract: A method for driving an array substrate includes: charging six sub-pixels of each repeating unit controlled by two gate lines that are coupled to one first control sub-circuit in each of a plurality of charging phases included in a frame period; each charging phase including six charging sub-phases, and one sub-pixel of each repeating unit being charged in each charging sub-phase. In each charging sub-phase, the first control sub-circuit transmits a scanning signal from a scan signal transmission channel to one of two gate lines coupled thereto under control of a scan control signal transmitted by at least one scan control signal line; each second control sub-circuit transmits a data signal from a data signal transmission channel to one data line coupled to a repeating unit under control of a data control signal transmitted by at least one data control signal line.Type: ApplicationFiled: December 28, 2020Publication date: September 1, 2022Inventors: Zhenzhou XING, Jianjun WANG, Hui DONG, Yuanyuan LIU, Junbo XU, Xianfeng YUAN
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Patent number: 11420264Abstract: The present invention relates to a method for producing a 3D object and to a system adapted to implement the method, wherein the method comprises: —providing a powder material (G); —providing a radiation absorbent material, in the form of optically resonant particles (P), on a region to be sintered of the powder material; and—sintering the region to be sintered of the powder material (G), by exposing to light the optically resonant particles (P) to radiation. The method comprises providing the optically resonant particles (P) according to a distribution and proportion, with respect to the powder material (G) included in the region to be sintered, selected: —to disperse the optically resonant particles (P) within the powder material (G) included in said region, and—to avoid substantial agglomeration and substantial self-sintering of the optically resonant particles (P).Type: GrantFiled: April 10, 2018Date of Patent: August 23, 2022Assignees: FUNDACIÓ INSTITUT DE CIÈNCIES FOTÔNIQUES, INSTITUCIÓ CATALANA DE RECERCA I ESTUDIS AVANAISInventors: Romain Quidant, Gerasimos Konstantatos, Alexander Powell, Alexandros Stavrinadis, Jianjun Wang
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Patent number: 11407111Abstract: A robot is configured to perform a task on an object using a method for generating a 3D model sufficient to determine a collision free path and identify the object in an industrial scene. The method includes determining a predefined collision free path and scanning an industrial scene around the robot. Stored images of the industrial scene are retrieved from a memory and analyzed to construct a new 3D model. After an object is detected in the new 3D model, the robot can further scan the image in the industrial scene while moving along a collision free path until the object is identified at a predefined certainty level. The robot can then perform a robot task on the object.Type: GrantFiled: June 27, 2018Date of Patent: August 9, 2022Assignee: ABB Schweiz AGInventors: Biao Zhang, Remus Boca, Carlos W. Morato, Carlos Martinez, Jianjun Wang, Zhou Teng, Jinmiao Huang, Magnus Wahlstrom, Johnny Holmberg
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Patent number: 11403980Abstract: A discharge control circuit for a display panel includes a flip-flop configured to generate a representation of a power supply voltage of the display panel based on the power supply voltage, the representation of the power supply voltage enabling a discharge condition under which a pixel array of the display panel is discharged to be not satisfied upon power-on or during operation of the display panel and to be satisfied upon shutdown of the display panel; and a level shifter configured to level-shift timing signals for controlling operation of the pixel array, to provide the level-shifted timing signals to the display panel, and to initiate discharge of the pixel array in response to the discharge condition being satisfied.Type: GrantFiled: October 25, 2017Date of Patent: August 2, 2022Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Jianjun Wang, Min Wang, Rui Ma
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Patent number: 11398174Abstract: An electromagnetic interference suppression circuit, a driving method thereof, and an electronic apparatus are provided. In the electromagnetic interference suppression circuit, a signal generating sub-circuit may generate a plurality of parallel target sequence signals, each with a period greater than a period threshold and a quantity of target sequence signals greater than a quantity threshold; and a frequency generating sub-circuit may output a frequency-jittered drive signal, for driving a switch mode power supply to operate, to the switch mode power supply under the control of the plurality of parallel target sequence signals.Type: GrantFiled: August 21, 2020Date of Patent: July 26, 2022Assignees: BOE Technology Group Co., LTD, Hefei Xinsheng Optoelectronics Technology Co., LTDInventors: Xiaoshi Liu, Jianjun Wang, Zejun Chen, Rui Wang
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Patent number: 11391980Abstract: A display panel, a manufacturing method thereof and a display device are provided. The display panel includes a display area and a frame area surrounding the display area, the display panel includes an array substrate and a color filter substrate opposite to each other, the color filter substrate includes a substrate and first and second support structures arranged on a side of the substrate close to the array substrate, the first support structures are in the display area, and the second support structures are in the frame area; at least part of each first support structure is in contact with the array substrate, and at least part of each second support structure is in contact with the array substrate. The display panel can alleviate or avoid seesaw effect during vacuum assembly and cutting, thereby improving or avoiding display defects of the display panel.Type: GrantFiled: June 25, 2021Date of Patent: July 19, 2022Assignees: Beijing BOE Display Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Wei Cao, Yupeng Wang, Jianjun Wang, Jiliang Zhang, Yuting He, Bingyue Wang
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Patent number: 11380279Abstract: The present disclosure is related to a display driving method. The display driving method may include obtaining a grayscale data voltage compensation table; calculating a value of VCOM shift amplitude corresponding to a row of sub-pixels on a display panel based on grayscale data voltages of a frame of an image to be displayed; obtaining a grayscale data voltage compensation value corresponding to the row of sub-pixels on the display panel based on the calculated value of VCOM shift amplitude and the grayscale data voltage compensation table; compensating grayscale data voltages actually inputted to the row of sub-pixels based on the grayscale data voltage compensation value to obtain compensated grayscale data voltages; and outputting the compensated grayscale data voltages to the row of sub-pixels during a display time of the frame of the image to be displayed.Type: GrantFiled: June 11, 2018Date of Patent: July 5, 2022Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD, BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zejun Chen, Jianjun Wang, Xiaoshi Liu, Min Wang, Hui Dong