Patents by Inventor Zhe DU
Zhe DU 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: 11958254Abstract: The present disclosure is concerned with a method of forming a seal with a polyethylene based film structure. The polyethylene based film structure has at least one layer formed with an oriented polyethylene having a predetermined melting temperature (Tm). A conductive heat sealing device provides heat to form the seal, where a first sealing bar of the conductive heat sealing device operates at a first operating temperature of at least 10 degrees Celsius (° C.) below the Tm of the oriented polyethylene in the polyethylene based film structure and a second sealing bar of the conductive heat sealing device operates at a second operating temperature of at least 15° C. higher than the operating temperature of the first sealing bar. The seal formed with the polyethylene based film structure retains at least 99 percent of its original surface area prior to forming the seal.Type: GrantFiled: December 28, 2018Date of Patent: April 16, 2024Assignee: Dow Global Technologies LLCInventors: Zhe Du, Gang Wang, Xiaobing Yun, Jianping Pan, Jingyi Xu
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Patent number: 11955071Abstract: A pixel circuit, a display panel and a method for driving the pixel circuit. The pixel circuit includes a first light emission control module and a gate initialization module. The first light emission control module includes a control terminal, a first terminal and a second terminal, where the control terminal of the first light emission control module is electrically connected with a first light emission control signal, the first terminal of the first light emission control module is electrically connected with a first power signal, and the second terminal of the first light emission control module is electrically connected to the first electrode of the drive transistor.Type: GrantFiled: March 10, 2022Date of Patent: April 9, 2024Assignee: KUNSHAN GO-VISIONOX OPTO-ELECTRONICS CO., LTDInventors: Dongfang Zhao, Zhe Du, Junfeng Li, Gang Wang, Yong Ge
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Patent number: 11940528Abstract: Disclosed are a method and system for evaluating sonar self-noise at a ship design stage. The method includes: building a ship structure full-scale geometric simulation model; acquiring loss factors and sonar transducer space outfitting acoustic absorption coefficient material parameters; acquiring mechanical excitation, hydrodynamic excitation, and propeller excitation; inputting the loss factors and the sonar transducer space outfitting acoustic absorption coefficient material parameters into an established statistical energy evaluation model, and applying a mechanical excitation to a face plate of foundation of the built ship structure full-scale geometric simulation model, applying a hydrodynamic excitation to the surface of a ship hull, and applying a propeller excitation to a stern shaft to perform calculation of sonar self-noise of a ship to obtain total spectral density level of the sonar self-noise; and evaluating spectral density level calculation results by index requirements.Type: GrantFiled: October 24, 2023Date of Patent: March 26, 2024Assignee: HARBIN ENGINEERING UNIVERSITYInventors: Haichao Li, Jiawei Xu, Fuzhen Pang, Cong Gao, Yuhang Tang, Jiajun Zheng, Xueren Wang, Zhe Zhao, Xuhong Miao, Yuan Du
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Patent number: 11929368Abstract: An array substrate and a display panel. The array substrate includes a thin film transistor array layer including a driving transistor, a switching transistor, and a capacitor. The driving transistor includes a first active layer, a first gate insulating layer, a first gate, and an insulating dielectric layer sequentially stacked. The switching transistor includes a second active layer, a second gate insulating layer, and a second gate sequentially stacked. The insulating dielectric layer and the second gate insulating layer are located at a same layer. A thickness of the first gate insulating layer is greater than a thickness of the second gate insulating layer. The capacitor includes a first electrode plate and a second electrode plate. The first electrode plate and the first gate are disposed on same layer, and the second electrode plate and the second gate are disposed on same layer.Type: GrantFiled: November 4, 2021Date of Patent: March 12, 2024Assignee: Yungu (Gu'an) Technology Co., Ltd.Inventors: Dongfang Zhao, Kookchul Moon, Junfeng Li, Zhe Du, Yong Ge, Sha Yuan, Lin Xu
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Publication number: 20240077608Abstract: Disclosed are a method and system for evaluating sonar self-noise at a ship design stage. The method includes: building a ship structure full-scale geometric simulation model; acquiring loss factors and sonar transducer space outfitting acoustic absorption coefficient material parameters; acquiring mechanical excitation, hydrodynamic excitation, and propeller excitation; inputting the loss factors and the sonar transducer space outfitting acoustic absorption coefficient material parameters into an established statistical energy evaluation model, and applying a mechanical excitation to a face plate of foundation of the built ship structure full-scale geometric simulation model, applying a hydrodynamic excitation to the surface of a ship hull, and applying a propeller excitation to a stern shaft to perform calculation of sonar self-noise of a ship to obtain total spectral density level of the sonar self-noise; and evaluating spectral density level calculation results by index requirements.Type: ApplicationFiled: October 24, 2023Publication date: March 7, 2024Inventors: Haichao LI, Jiawei XU, Fuzhen PANG, Cong GAO, Yuhang TANG, Jiajun ZHENG, Xueren WANG, Zhe ZHAO, Xuhong MIAO, Yuan DU
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Patent number: 11893915Abstract: An image sticking test method and an image sticking test device. The image sticking test method includes: acquiring a first correspondence between a source-drain current of a preset drive transistor and time within a first preset time after a voltage of the preset drive transistor in an array substrate is switched from a first preset voltage to a second preset voltage; acquiring a second correspondence between a source-drain current of the preset drive transistor and time within a second preset time after the voltage of the preset drive transistor is switched from a third preset voltage to the second preset voltage; and acquiring a first image sticking test curve of the array substrate according to the first correspondence, the second correspondence and an image sticking evaluation formula, where the first image sticking test curve is a correspondence between time and an image sticking evaluation value.Type: GrantFiled: March 10, 2022Date of Patent: February 6, 2024Assignee: KUNSHAN GO-VISIONOX OPTO-ELECTRONICS CO., LTDInventors: Dongfang Zhao, Zhe Du, Shuang Guo, Xun Liu, Zidong Guo
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Patent number: 11763757Abstract: The pixel circuit includes a data-writing module, a drive module, a storage module, a first light emission control module, a second light emission control module, a light-emitting module and a first initialization module. A first terminal of the first initialization module is electrically connected to a second light emission control signal input terminal, a second terminal of the first initialization module is electrically connected to a control terminal of the drive module; or the pixel circuit includes an initialization voltage input terminal, the first terminal of the first initialization module is electrically connected to the initialization voltage input terminal, the second terminal of the first initialization module is electrically connected to the control terminal of the drive module. The first initialization module is configured to initialize the control terminal of the drive module under a control of a control signal input into a control terminal of the first initialization module.Type: GrantFiled: January 11, 2022Date of Patent: September 19, 2023Assignee: YUNGU (GU'AN) TECHNOLOGY CO., LTD.Inventors: Dongfang Zhao, Ling Wang, Zhe Du, Junfeng Li, Gang Wang, Yong Ge
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Patent number: 11688319Abstract: A driving method for driving a pixel circuit. The pixel circuit includes a driving transistor, a data-writing transistor, a compensating transistor, a first initializing transistor, a second initializing transistor and a light-emitting element. The compensating transistor is connected between a gate of the driving transistor and a second pole of the driving transistor. The second pole of the driving transistor is connected to an initialization power supply through the first initializing transistor. The data-writing transistor is connected between a data voltage input terminal and a first pole of the driving transistor. The second initializing transistor is connected between a first signal terminal and a first pole of the driving transistor; and the light-emitting element is connected between the second pole of the driving transistor and a second power voltage input terminal.Type: GrantFiled: January 5, 2022Date of Patent: June 27, 2023Assignee: YUNGU (GU'AN) TECHNOLOGY CO., LTD.Inventors: Dongfang Zhao, Yang Shen, Zidong Guo, Haofeng Zhang, Zhe Du, Junfeng Li, Yong Ge
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Publication number: 20220199010Abstract: A pixel circuit, a display panel and a method for driving the pixel circuit. The pixel circuit includes a first light emission control module and a gate initialization module. The first light emission control module includes a control terminal, a first terminal and a second terminal, where the control terminal of the first light emission control module is electrically connected with a first light emission control signal, the first terminal of the first light emission control module is electrically connected with a first power signal, and the second terminal of the first light emission control module is electrically connected to the first electrode of the drive transistor.Type: ApplicationFiled: March 10, 2022Publication date: June 23, 2022Applicant: KUNSHAN GO-VISIONOX OPTO-ELECTRONICS CO., LTDInventors: Dongfang ZHAO, Zhe DU, Junfeng LI, Gang WANG, Yong GE
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Publication number: 20220198973Abstract: An image sticking test method and an image sticking test device. The image sticking test method includes: acquiring a first correspondence between a source-drain current of a preset drive transistor and time within a first preset time after a voltage of the preset drive transistor in an array substrate is switched from a first preset voltage to a second preset voltage; acquiring a second correspondence between a source-drain current of the preset drive transistor and time within a second preset time after the voltage of the preset drive transistor is switched from a third preset voltage to the second preset voltage; and acquiring a first image sticking test curve of the array substrate according to the first correspondence, the second correspondence and an image sticking evaluation formula, where the first image sticking test curve is a correspondence between time and an image sticking evaluation value.Type: ApplicationFiled: March 10, 2022Publication date: June 23, 2022Applicant: KUNSHAN GO-VISIONOX OPTO-ELECTRONICS CO., LTDInventors: Dongfang ZHAO, Zhe DU, Shuang GUO, Xun LIU, Zidong GUO
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Publication number: 20220139337Abstract: The pixel circuit includes a data-writing module, a drive module, a storage module, a first light emission control module, a second light emission control module, a light-emitting module and a first initialization module. A first terminal of the first initialization module is electrically connected to a second light emission control signal input terminal, a second terminal of the first initialization module is electrically connected to a control terminal of the drive module; or the pixel circuit includes an initialization voltage input terminal, the first terminal of the first initialization module is electrically connected to the initialization voltage input terminal, the second terminal of the first initialization module is electrically connected to the control terminal of the drive module. The first initialization module is configured to initialize the control terminal of the drive module under a control of a control signal input into a control terminal of the first initialization module.Type: ApplicationFiled: January 11, 2022Publication date: May 5, 2022Applicant: YUNGU (GU'AN) TECHNOLOGY CO., LTD.Inventors: Dongfang ZHAO, Ling WANG, Zhe DU, Junfeng LI, Gang WANG, Yong GE
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Publication number: 20220130311Abstract: A driving method for driving a pixel circuit. The pixel circuit includes a driving transistor, a data-writing transistor, a compensating transistor, a first initializing transistor, a second initializing transistor and a light-emitting element. The compensating transistor is connected between a gate of the driving transistor and a second pole of the driving transistor. The second pole of the driving transistor is connected to an initialization power supply through the first initializing transistor. The data-writing transistor is connected between a data voltage input terminal and a first pole of the driving transistor. The second initializing transistor is connected between a first signal terminal and a first pole of the driving transistor; and the light-emitting element is connected between the second pole of the driving transistor and a second power voltage input terminal.Type: ApplicationFiled: January 5, 2022Publication date: April 28, 2022Applicant: YUNGU (GU'AN) TECHNOLOGY CO., LTD.Inventors: Dongfang ZHAO, Yang SHEN, Zidong GUO, Haofeng ZHANG, Zhe DU, Junfeng LI, Yong GE
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Publication number: 20220105714Abstract: Disclosed herein is a film comprising at least one layer comprising polyethylene and a metal layer, wherein the film has less than 300 parts per million by weight (ppm) of metal stearate and less than 50 ppm stearic acid based on total weight of the film. Also disclosed herein is such a film comprising at least one layer comprising polyethylene and a metal layer wherein the metal layer of at least 38 dyne/cm one week after metallization. Also disclosed herein is an article comprising such a film laminated to a substrate.Type: ApplicationFiled: November 19, 2019Publication date: April 7, 2022Inventors: Zhe DU, Jianping PAN, Xiaobing YUN, Xilun WENG, Kaustubh GUPTE, Hongyu CHEN
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Publication number: 20220088886Abstract: The present disclosure is concerned with a method of forming a seal with a polyethylene based film structure. The polyethylene based film structure has at least one layer formed with an oriented polyethylene having a predetermined melting temperature (Tm). A conductive heat sealing device provides heat to form the seal, where a first sealing bar of the conductive heat sealing device operates at a first operating temperature of at least 10 degrees Celsius (° C.) below the Tm of the oriented polyethylene in the polyethylene based film structure and a second sealing bar of the conductive heat sealing device operates at a second operating temperature of at least 15° C. higher than the operating temperature of the first sealing bar. The seal formed with the polyethylene based film structure retains at least 99 percent of its original surface area prior to forming the seal.Type: ApplicationFiled: December 28, 2018Publication date: March 24, 2022Applicant: Dow Global Technologies LLCInventors: Zhe Du, Gang Wang, Xiaobing Yun, Jianping Pan, Jingyi Xu
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Publication number: 20220059576Abstract: An array substrate and a display panel. The array substrate includes a thin film transistor array layer including a driving transistor, a switching transistor, and a capacitor. The driving transistor includes a first active layer, a first gate insulating layer, a first gate, and an insulating dielectric layer sequentially stacked. The switching transistor includes a second active layer, a second gate insulating layer, and a second gate sequentially stacked. The insulating dielectric layer and the second gate insulating layer are located at a same layer. A thickness of the first gate insulating layer is greater than a thickness of the second gate insulating layer. The capacitor includes a first electrode plate and a second electrode plate. The first electrode plate and the first gate are disposed on same layer, and the second electrode plate and the second gate are disposed on same layer.Type: ApplicationFiled: November 4, 2021Publication date: February 24, 2022Applicant: Yungu (Gu'an) Technology Co., Ltd.Inventors: Dongfang ZHAO, Kookchul MOON, Junfeng LI, Zhe DU, Yong GE, Sha YUAN, Lin XU
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Publication number: 20210151521Abstract: A display panel, a display panel manufacturing method, and a display screen are provided. The display panel includes: a substrate, the substrate including a plurality of sub-pixel regions, each of the sub-pixel regions including a first region and a second region, the first region being provided with the substrate, a buffer layer, and a pixel circuit layer, and the second region being provided with the substrate; and a first electrode disposed on the second region of each of the sub-pixel region and directly contacting the substrate. Each sub-pixel region is divided into the first region and the second region, the first region is provided with the substrate, the buffer layer and the pixel circuit layer, the second region is provided with the substrate and the first electrode directly contacting the substrate, and no inorganic film is provided between the first electrode and the substrate.Type: ApplicationFiled: January 26, 2021Publication date: May 20, 2021Inventors: Rusheng LIU, Cuicui SHENG, Lin XU, Genmao HUANG, Bo YUAN, Zhe DU, Junhui LOU
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Patent number: 10308782Abstract: In one aspect there is provided a foam comprising: a polymeric matrix comprising polyethylene grafted polymerized siloxane, and a plurality of cells formed in the polymeric matrix and containing a blowing agent comprising carbon dioxide. In another aspect there is provided a method of making a foam comprising: grafting polymerized siloxane to polyethylene to form a grafted intermediate; molding the grafted intermediate to form a molded intermediate; and foaming the molded intermediate using high-pressure CO2 to form the foam, wherein the foam has a porosity greater than 75%.Type: GrantFiled: August 15, 2014Date of Patent: June 4, 2019Assignee: Dow Global Technologies LLCInventors: Zhe Du, Cheng Chen, David Hong Fei Guo, Dachao Li, Gangwei Sun, Jianxin Zhang
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Patent number: 10189948Abstract: A copolymer including a repeating unit represented by (I) wherein: Y is selected from: a carboxylic acid, sulfonic, phosphorous acid and phosphoric acid and their corresponding salt or ester; imino, amide, nitrile, hydrogen, hydroxyl and alkyl comprising from 1 to 6 carbon atoms; and R1, R2, R3, and R4 are independently selected from: hydrogen, alkyl groups comprising from 1 to 6 carbon atoms, and R1 and R2 may collectively form a ketone group or a 9, 9?-fluorene group, and R3 and R4 may collectively form a ketone group or a 9, 9?-fluorene group; R5 and R6 are independently selected from: a bond and an alkylene group comprising from 1 to 6 carbon atoms; R7 is selected from: hydrogen, alkyl, aryl, aralkyl and heteroaryl groups comprising from 1 to 8 carbon atoms which may be unsubstituted or substituted with carboxylic acid, sulfonic acid and phosphoric acid and their corresponding salt or ester, imino and amide; and X and X? are independently selected from: a carboxylic acid, sulfonic acid and phosphoric acidType: GrantFiled: June 24, 2015Date of Patent: January 29, 2019Assignee: Dow Global Technologies LLCInventors: Xiaolian Hu, Zhe Du, Robert E. Hefner, Jr.
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Publication number: 20180346676Abstract: A process for making a foam composition, the process comprising the steps of: (A) Forming a mixture comprising high density polyethylene (HDPE), low density polyethylene (LDPE) and a peroxide; and (B) Contacting the mixture of (A) with carbon dioxide (CO2) at a pressure greater than or equal to 15 megaPascals (MPa). In one embodiment the peroxide is DTAP. In one embodiment the mixture of (A) further comprises a CO2-philic compound such as PDMS.Type: ApplicationFiled: December 3, 2015Publication date: December 6, 2018Inventors: Cheng Chen, Gangwei Sun, Mohamed Esseghir, Jeffrey M. Cogen, Zhe Du, Jianxin Zhang
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Publication number: 20180142065Abstract: A copolymer including a repeating unit represented by (I) wherein: Y is selected from: a carboxylic acid, sulfonic, phosphorous acid and phosphoric acid and their corresponding salt or ester; imino, amide, nitrile, hydrogen, hydroxyl and alkyl comprising from 1 to 6 carbon atoms; and R1, R2, R3, and R4 are independently selected from: hydrogen, alkyl groups comprising from 1 to 6 carbon atoms, and R1 and R2 may collectively form a ketone group or a 9, 9?-fluorene group, and R3 and R4 may collectively form a ketone group or a 9, 9?-fluorene group; R5 and R6 are independently selected from: a bond and an alkylene group comprising from 1 to 6 carbon atoms; R7 is selected from: hydrogen, alkyl, aryl, aralkyl and heteroaryl groups comprising from 1 to 8 carbon atoms which may be unsubstituted or substituted with carboxylic acid, sulfonic acid and phosphoric acid and their corresponding salt or ester, imino and amide; and X and X? are independently selected from: a carboxylic acid, sulfonic acid and phosphoric acidType: ApplicationFiled: June 24, 2015Publication date: May 24, 2018Applicant: Dow Global Technologies LLCInventors: Xiaolian Hu, Zhe Du, Robert E. Hefner, Jr.