Patents by Inventor Dongfang Zhao
Dongfang Zhao 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: 11959012Abstract: The present disclosure a temperature-resistant and salt-resistant modified nano-graphite dispersed particle gel system with a strong self-growth effect.Type: GrantFiled: September 14, 2023Date of Patent: April 16, 2024Assignees: China University of Petroleum (East China), CNOOC Energy Development Co., Ltd. Engineering Branch, Tianjin Branch of China National Offshore Oil Corporation Ltd.Inventors: Guang Zhao, Caili Dai, Dongfang Lyu, Jiaming Li, Kequan Meng, Ju Zheng, Yanxu Zhang, Weiyu Chen, Liguo Zhu, Yanhui Zhang
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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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Publication number: 20240110089Abstract: The present disclosure a temperature-resistant and salt-resistant modified nano-graphite dispersed particle gel system with a strong self-growth effect.Type: ApplicationFiled: September 14, 2023Publication date: April 4, 2024Applicants: China University of Petroleum (East China), CNOOC Energy Development Co., Ltd. Engineering Branch, Tianjin Branch of China National Offshore Oil Corporation Ltd.Inventors: Guang ZHAO, Caili DAI, Dongfang LYU, Jiaming LI, Kequan MENG, Ju ZHENG, Yanxu ZHANG, Weiyu CHEN, Liguo ZHU, Yanhui ZHANG
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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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Patent number: 11923265Abstract: A power module, including: a first conductor, disposed at a first reference plane; a second conductor, disposed at a second reference plane, wherein projections of the first and second conductors on the first reference plane have a first overlap area; a third conductor, disposed at a third reference plane; a plurality of first switches and a plurality of second switches, wherein at least one of the first switches and at least one of the second switches that are located on a left side are alternatively disposed, at least one of the first switches and at least one of the second switches that are located on a right side are alternately disposed, and the left side and the right side of the first overlap area are oppositely disposed. Heat sources of the power module are evenly distributed and its parasitic inductance is low.Type: GrantFiled: April 25, 2022Date of Patent: March 5, 2024Assignee: Delta Electronics (Shanghai) CO., LTDInventors: Wei Cheng, Shouyu Hong, Dongfang Lian, Tao Wang, Zhenqing Zhao
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Publication number: 20240060659Abstract: An air conditioner includes a compressor and a heat exchanger. The heat exchanger includes a first heat exchanger, a second heat exchanger, a plurality of connectors, at least one first header, a second header, and a main air pipe assembly. A plurality of flat pipes in the second heat exchanger correspond to a plurality of flat pipes in the first heat exchanger. The plurality of connectors are arranged corresponding to the plurality of flat pipes in the first heat exchanger. The at least one first header is connected to first ends of the plurality of flat pipes in the first heat exchanger. The second header is connected to first ends of the plurality of flat pipes in the second heat exchanger. The main air pipe assembly makes the second header communicated with the compressor.Type: ApplicationFiled: October 12, 2023Publication date: February 22, 2024Applicant: QINGDAO HISENSE HITACHI AIR-CONDITIONING SYSTEMS CO., LTD.Inventors: Dongfang ZHAO, Fali CAO, Xiaoyu LI, Lihua SHI, Xiaolei LIU, Yajun LI
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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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Publication number: 20230360425Abstract: A method and device are disclosed for estimating an interaction with the device. The method includes configuring a first token and a second token of an estimation model according to first features of a 3D object, applying a first weight to the first token to produce a first-weighted input token and applying a second weight that is different from the first weight to the second token to produce a second-weighted input token, and generating, by a first encoder layer of an estimation-model encoder of the estimation model, an output token based on the first-weighted input token and the second-weighted input token. The method may include receiving, at a 2D feature extraction model, the first features from a backbone, extracting, by the 2D feature extraction model, second features including 2D features, and receiving, at the estimation-model encoder, data generated based on the 2D features.Type: ApplicationFiled: April 10, 2023Publication date: November 9, 2023Inventors: Dongfang Zhao, Yangwen Liang, Shuangquan Wang, Kee-Bong Song
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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: 11735114Abstract: A pixel circuit, a driving method thereof, and a display device. The pixel circuit includes a data write module, a first reset module, a drive transistor, and a light-emitting module. The data write module is configured to apply a constant first voltage signal inputted from a data signal terminal to a first electrode of the drive transistor at a first reset stage; the first reset module is configured to apply a reset voltage signal inputted from a reset signal terminal to a gate of the drive transistor at the first reset stage; and the data write module is configured to apply a data voltage signal inputted from the data signal terminal to the gate of the drive transistor at a data write stage.Type: GrantFiled: April 11, 2022Date of Patent: August 22, 2023Assignee: KunShan Go-Visionox Opto-Electronics Co., LtdInventor: Dongfang Zhao
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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: 20230132393Abstract: An air source heat pump system includes at least one heat pump sub-system and at least one water tank. Each heat pump sub-system includes a refrigerant circulation path and a water supply circulation path. The refrigeration circulation path includes a compressor, a first heat exchanger, a first throttling device, and an evaporator that are sequentially connected to one another. The water supply circulation path includes a first supply pipe, a second supply pipe, a return pipe, and a waterway control valve. The first supply pipe and the second supply pipe are each communicated with an end of the first heat exchanger through the waterway control valve, and the return pipe is communicated with another end of the first heat exchanger. The return pipe is communicated with a water inlet of a corresponding water tank, and the second supply pipe is communicated with a water outlet of the corresponding water tank.Type: ApplicationFiled: December 27, 2021Publication date: April 27, 2023Applicant: QINGDAO HISENSE HITACHI AIR-CONDITIONING SYSTEMS CO., LTD.Inventors: Dongfang ZHAO, Yongkun GAO, Min LIU
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Publication number: 20220230592Abstract: A pixel circuit, a driving method thereof, and a display device. The pixel circuit includes a data write module, a first reset module, a drive transistor, and a light-emitting module. The data write module is configured to apply a constant first voltage signal inputted from a data signal terminal to a first electrode of the drive transistor at a first reset stage; the first reset module is configured to apply a reset voltage signal inputted from a reset signal terminal to a gate of the drive transistor at the first reset stage; and the data write module is configured to apply a data voltage signal inputted from the data signal terminal to the gate of the drive transistor at a data write stage.Type: ApplicationFiled: April 11, 2022Publication date: July 21, 2022Applicant: KunShan Go-Visionox Opto-Electronics Co., LtdInventor: Dongfang ZHAO
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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: 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: 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: 20220120472Abstract: An air source heat pump system includes at least one heat pump sub-system and at least one water tank. Each heat pump sub-system includes a refrigerant circulation path and a water supply circulation path. The refrigeration circulation path includes a compressor, a first heat exchanger, a first throttling device, and an evaporator that are sequentially connected to one another. The water supply circulation path includes a first supply pipe, a second supply pipe, a return pipe, and a waterway control valve. The first supply pipe and the second supply pipe are each communicated with an end of the first heat exchanger through the waterway control valve, and the return pipe is communicated with another end of the first heat exchanger. The return pipe is communicated with a water inlet of a corresponding water tank, and the second supply pipe is communicated with a water outlet of the corresponding water tank.Type: ApplicationFiled: December 27, 2021Publication date: April 21, 2022Applicant: QINGDAO HISENSE HITACHI AIR-CONDITIONING SYSTEMS CO., LTD.Inventors: Dongfang ZHAO, Yongkun GAO, Min LIU
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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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Patent number: 11068713Abstract: Disclosed are various embodiments that extract vehicle trajectories from aerial videos. A vehicle track comprising pixel coordinate points is obtained. The pixel coordinate points are converted to relative coordinate points. At least one vehicle trajectory is extracted based at least in part on the vehicle track and the relative coordinate points. A lane structure is generated that is based on the at least one vehicle trajectory.Type: GrantFiled: July 23, 2019Date of Patent: July 20, 2021Assignee: University of South FloridaInventors: Xiaopeng Li, Dongfang Zhao