Patents by Inventor Yongfeng Zhao

Yongfeng 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).

  • Patent number: 11963534
    Abstract: An application of fengycin family lipopeptides in pest control is provided, and Fengycin family lipopeptides are used for pest control, with especially strong killing effects on Homoptera and Coleoptera pests. A method is provided for treating seeds with fengycin to protect seeds and plant organs formed later from pests, so as to protect seeds from pests by coating the fengycin family lipopeptides on the surface of seeds.
    Type: Grant
    Filed: November 18, 2022
    Date of Patent: April 23, 2024
    Assignee: INSTITUTE OF BIOLOGY, HEBEI ACADEMY OF SCIENCES
    Inventors: Hongwei Liu, Caimiao Yao, Yongfeng Liu, Liping Zhang, Yana Wang, Wenya Zhao
  • Patent number: 11943973
    Abstract: Disclosed are a preparation method of a display panel, a display panel and a displaying device. The display panel comprises a plurality of first-color subpixels, and each first-color subpixel comprises a base, the base comprising a first driving electrode and a second driving electrode; a flat layer disposed on the side, near the first driving electrode and the second driving electrode, of the base; a patterned passivation layer and at least one first electrode disposed on the side, away from the base, of the flat layer, the first electrode being connected with the first driving electrode through via holes penetrating the flat layer; and at least one second electrode disposed on the side, away from the base, of the passivation layer, the second electrode being connected with the second driving electrode through via holes penetrating the passivation layer and the flat layer.
    Type: Grant
    Filed: November 11, 2020
    Date of Patent: March 26, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Yongfeng Zhang, Xue Dong, Zhiqiang Jiao, Lei Zhao, Jiushi Wang
  • Patent number: 11931363
    Abstract: A compound of Formula (I), or a pharmaceutically acceptable salt thereof, is provided that has been shown to be useful for treating a PRC2-mediated disease or disorder: wherein R1, R2, R3, R4, R5, and n are as defined herein.
    Type: Grant
    Filed: October 19, 2021
    Date of Patent: March 19, 2024
    Assignee: NOVARTIS AG
    Inventors: Ho Man Chan, Xiang-Ju Justin Gu, Ying Huang, Ling Li, Yuan Mi, Wei Qi, Martin Sendzik, Yongfeng Sun, Long Wang, Zhengtian Yu, Hailong Zhang, Ji Yue (Jeff) Zhang, Man Zhang, Qiong Zhang, Kehao Zhao
  • Patent number: 11919826
    Abstract: A method for enhancing compressive strength of a lead smelting water-quenched slag-based cementitious material by mechanical activation is provided, belonging to the technical field of solid waste resource treatment. The method includes following steps: grinding and activating water-quenched slag from lead smelting, then mixing with calcium-based solid waste, magnesium-based solid waste, magnesium oxide, portland cement and water, and performing a steam curing and a curing at normal temperature on cementitious material slurry obtained to obtain the lead smelting water-quenched slag-based cementitious material.
    Type: Grant
    Filed: May 19, 2023
    Date of Patent: March 5, 2024
    Assignee: XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
    Inventors: Wenhuan Liu, Hui Li, Zhongzhong Zhao, Yongfeng Wan, Renhao Du, Yiwen Jiang
  • Publication number: 20240074072
    Abstract: A support assembly and a display device. The support assembly includes a body mechanism and a first support member. A first surface of the body mechanism is configured to support a part of the flexible screen. At least a part of the first support member is disposed side by side with the body mechanism, and configured to support another part of the flexible screen which extends out of the first surface. The first support member includes a first end and a second end disposed along a length direction of the first support member. The first end is fixed relative to the body mechanism, and the second end is configured to slide along a direction close to or away from the body mechanism.
    Type: Application
    Filed: November 7, 2023
    Publication date: February 29, 2024
    Applicant: KunShan Go-Visionox Opto-Electronics Co., Ltd
    Inventors: Yongfeng ZHAO, Liwei DING, Fu LIAO, Zhanshu WANG
  • Patent number: 11880241
    Abstract: A flexible display panel and a flexible display apparatus. The flexible display panel includes a display panel body having a bent region and non-bent regions, and a flexible support layer attached to the shady surface of the bent region, the flexible support layer includes a flexible base and a heating layer, a plurality of magnetic balls are provided in the flexible base; where the heating layer is provided on the flexible base for heating the plurality of magnetic balls, the plurality of magnetic balls are expanded with heat to enable the hardness of the flexible support layer when the display panel body is in an unfolded state to be greater than the hardness of the flexible support layer when the display panel body is in a bent state. The flexible display panel will not be wrinkled during the bending and unfolding process, and has an improved display effect.
    Type: Grant
    Filed: November 5, 2021
    Date of Patent: January 23, 2024
    Assignee: YUNGU (GU'AN) TECHNOLOGY CO., LTD.
    Inventors: Yongfeng Zhao, Qi Shan, Zhaoji Zhu, Fu Liao, Bo Zhang, Fan Dong
  • Patent number: 11825617
    Abstract: In a foldable display apparatus, two second support parts and a first support part jointly support a flexible screen, a rotating part is slidably connected to the second support part on the same side of the first support part, and the second support part rotates relative to the first direction of the flexible screen and away from the first support part, a crackshaft is slidably connected with the rotating part to drive the rotating part to rotate therearound, a connecting lever drives the rotating part to slide toward the crankshaft along a thickness direction, the connecting lever is hinged at its two ends to the fixed portion and the rotating part respectively, the connecting rob is hinged at its two ends to the fixed portion and the second support part respectively, the bent portion of the flexible screen is U-shaped under the action of the second support parts.
    Type: Grant
    Filed: October 29, 2021
    Date of Patent: November 21, 2023
    Assignee: Yungu (Gu'an) Technology Co., Ltd.
    Inventors: Hongqi Hou, Qi Shan, Fu Liao, Zhaoji Zhu, Yongfeng Zhao, Kanglong Sun
  • Publication number: 20230324346
    Abstract: A method for measuring specific migration amount of an antioxidants in a polyethylene terephthalate (PET)/polyethylene (PE) compound food contact material is disclosed. More specifically, a method for simultaneously measuring the specific migration amount of 16 antioxidants in PET/PE compound food contact material while establishing a high performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS) is disclosed. The 16 target compounds determined by the method have a good linear relationship in the corresponding range, the correlation coefficient is greater than 0.995, the quantitative limit of the aqueous food simulant is 0.1-1.3 ng/kg, and the quantitative limit of the olive oil food simulant is 0.3-3.0 ?g/kg. The average recovery is 81.0-112% and the relative standard deviation is 0.4-9.1% at the spiked level of 2.0-20 ?g/kg.
    Type: Application
    Filed: June 2, 2021
    Publication date: October 12, 2023
    Inventors: Xiangyu CAI, Yongfeng ZHAO, Lu CHEN, Chunqiu Lv
  • Patent number: 11751346
    Abstract: The present application discloses a rotating device and a display device, which relate to a field of electronic technologies. The rotating device includes: a first member including an anti-rotation groove and at least one first connecting portion; and a second member including an anti-rotation protrusion and at least one second connecting portion. The first connecting portion and the second connecting portion are rotationally connected, and the anti-rotation protrusion enters the anti-rotation groove to prevent the first connecting portion from rotating along a first direction with respect to the second connecting portion.
    Type: Grant
    Filed: August 11, 2020
    Date of Patent: September 5, 2023
    Assignee: YUNGU (GU'AN) TECHNOLOGY CO., LTD.
    Inventors: Yuhua Wu, Qi Shan, Liwei Ding, Fu Liao, Yongfeng Zhao, Jia Liu
  • Publication number: 20230244278
    Abstract: A display module and a display device. The display module includes: a display panel including a display surface and a non-display surface arranged opposite to each other; a support layer arranged on the non-display surface of the display panel, the support layer having a first surface away from the display panel, and at least part of the first surface is provided with a first shape portion arranged in a predetermined direction; and a rotating shaft having a second shape portion in a circumferential direction, the support layer and the display panel arranged around an outer circumference of the rotating shaft, the first shape portion of the first surface engaged with the second shape portion of the rotating shaft.
    Type: Application
    Filed: April 7, 2023
    Publication date: August 3, 2023
    Applicant: KunShan Go-Visionox Opto-Electronics Co., Ltd
    Inventors: Desong YAN, Fu LIAO, Liwei DING, Yongfeng ZHAO, Hongqi HOU, Zheng LI
  • Publication number: 20230229191
    Abstract: Support structural members, which are used in a flexible display panel. The support structural members comprise a main body support member, which includes a bearing part used for bearing a portion of the flexible display panel; a sliding support member, which is connected to the main body support member in a manner that allows movement along a second direction, the sliding support member includes a first support part and a second support part which are distributed at an interval along a first direction, the first support part being used for extending the main body support member and jointly supporting the flexible display panel with the bearing part; a pushing member, which is connected to the second support part in a manner that allows movement along the second direction, the pushing member includes a stopping part.
    Type: Application
    Filed: March 27, 2023
    Publication date: July 20, 2023
    Applicant: KunShan Go-Visionox Opto-Electronics Co., Ltd
    Inventors: Yongfeng ZHAO, Fan DONG, Liwei DING, Fu LIAO, Hongqi HOU, Zheng LI
  • Publication number: 20220338361
    Abstract: One or more embodiments of the description relate to a flexible display device and a display system. The flexible display device includes: a display screen body; a functional auxiliary structure connected to the display screen body to provide isolation in case that the display screen body curls up and/or support in case that the display screen body is unfolded. The functional auxiliary structure includes an isolation component and/or a support component. The support component is capable of isolating at least a part of the display screen body in a curled state; the support component is capable of providing support for the display screen body in an unfolded state.
    Type: Application
    Filed: July 5, 2022
    Publication date: October 20, 2022
    Applicant: KunShan Go-Visionox Opto-Electronics Co., Ltd
    Inventors: Yongfeng ZHAO, Fu LIAO, Junfeng LI
  • Patent number: 11343923
    Abstract: A screen supporting device includes: a drive component and a supporting component rotationally connected to the drive component. The drive component comprises a rotating shaft and a connecting rod that rotationally connected to the rotating shaft. The drive component and the supporting component are disposed in a non-display surface of the flexible display screen. The connecting rod is fixedly connected to the supporting component. Through the rotating connection between the rotating shaft and the connecting rod, the supporting component and the drive component relatively rotate and move away from each other to fold or expand the flexible display screen.
    Type: Grant
    Filed: May 5, 2020
    Date of Patent: May 24, 2022
    Assignee: YUNGU (GU'AN) TECHNOLOGY CO., LTD.
    Inventors: Hongqi Hou, Yongfeng Zhao, Fu Liao, Liwei Ding, Xuebin Li, Zhaoji Zhu
  • Publication number: 20220059877
    Abstract: The embodiment claims an electrode assembly, its manufacturing method and battery cell made of such. The assembly unit from the top to bottom integrates first electrode plate, first separator plate, second electrode plate, second separator plate and another first electrode plate. The polarity of the first and second electrode plate is opposite to each other. The edges of the first and second separator plates join on one side forming U shape structure. The electrode assembly in this embodiment is a unit for multiple stacking of such to form the internal structure of a battery cell. Such design offers improved efficiency in cell manufacturing and achieves accurate alignments between positive and negative electrodes. The assembly unit upon numerous stacking would ensure overall alignments of positive and negative electrodes for cell quality improvement.
    Type: Application
    Filed: December 13, 2018
    Publication date: February 24, 2022
    Applicant: Do Fluoride Jiaozuo New Energy Tech Co Ltd
    Inventors: Pan Wang, Hongtao Ma, Fei Xu, Yongfeng Zhao, Xingfu Liu, Hongjuan Zhao, Huifang Zhao, Yu Ma, Jing Zhao
  • Publication number: 20220058993
    Abstract: A flexible display panel and a flexible display apparatus. The flexible display panel includes a display panel body having a bent region and non-bent regions, and a flexible support layer attached to the shady surface of the bent region, the flexible support layer includes a flexible base and a heating layer, a plurality of magnetic balls are provided in the flexible base; where the heating layer is provided on the flexible base for heating the plurality of magnetic balls, the plurality of magnetic balls are expanded with heat to enable the hardness of the flexible support layer when the display panel body is in an unfolded state to be greater than the hardness of the flexible support layer when the display panel body is in a bent state. The flexible display panel will not be wrinkled during the bending and unfolding process, and has an improved display effect.
    Type: Application
    Filed: November 5, 2021
    Publication date: February 24, 2022
    Applicant: Yungu (Gu'an) Technology Co., Ltd.
    Inventors: Yongfeng ZHAO, Qi SHAN, Zhaoji ZHU, Fu LIAO, Bo ZHANG, Fan DONG
  • Publication number: 20220053654
    Abstract: In a foldable display apparatus, two second support parts and a first support part jointly support a flexible screen, a rotating part is slidably connected to the second support part on the same side of the first support part, and the second support part rotates relative to the first direction of the flexible screen and away from the first support part, a crackshaft is slidably connected with the rotating part to drive the rotating part to rotate therearound, a connecting lever drives the rotating part to slide toward the crankshaft along a thickness direction, the connecting lever is hinged at its two ends to the fixed portion and the rotating part respectively, the connecting rob is hinged at its two ends to the fixed portion and the second support part respectively, the bent portion of the flexible screen is U-shaped under the action of the second support parts.
    Type: Application
    Filed: October 29, 2021
    Publication date: February 17, 2022
    Applicant: Yungu (Gu'an) Technology Co., Ltd.
    Inventors: Hongqi HOU, Qi SHAN, Fu LIAO, Zhaoji ZHU, Yongfeng ZHAO, Kanglong SUN
  • Patent number: 11199875
    Abstract: A display device includes a display screen and a clipping structure. The display screen includes a bending area, a first end and a second end which are connected with the bending area. The first end is bendable by using the bending area, and the clipping structure is used to clip the second end of the display screen so as to fix the second end during a bending process of the first end. The display device provided by the embodiments of the present application ensures stability of the second end of the display screen.
    Type: Grant
    Filed: August 13, 2020
    Date of Patent: December 14, 2021
    Assignee: YUNGU (GU'AN) TECHNOLOGY CO., LTD.
    Inventors: Zhaoji Zhu, Liwei Ding, Yuhua Wu, Yongfeng Zhao, Hongqi Hou, Fu Liao
  • Patent number: 11116094
    Abstract: Embodiments of the present application disclose a supporting device, which relates to the field of display technologies. The supporting device includes: a supporting frame configured to support a display screen, the supporting frame defining a supporting chamber therein; at least one storing chamber for storing a flowing medium, the storing chamber being communicated with the supporting chamber through a channel; and an assisting member, configured to make the flowing medium flow between the supporting chamber and the storing chamber. In the embodiments of the present application, the supporting device can facilitate the display screen to realize functions of touch and support, and realize the portability of a large-screen display device.
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: September 7, 2021
    Assignee: YUNGU (GU'AN) TECHNOLOGY CO., LTD.
    Inventors: Yongfeng Zhao, Hongqi Hou, Fu Liao, Liwei Ding, Yuhua Wu, Fan Dong
  • Patent number: 11079804
    Abstract: The present application provides a back plate structure and a flexible display device. The back plate structure includes: a first back plate, a second back plate and a flexible shaft. The first back plate and the second back plate are connected by the flexible shaft. The flexible shaft includes an arch component and at least one end component. The arch component includes a concave surface and a convex surface corresponding to the concave surface, and the concave surface faces a bending direction of the flexible display device. Each end component includes at least one foldable structure, and each foldable structure includes two planes parallel to a bending axis of the flexible display device. Each end component is located at an end of the arch component and obscures a space formed by the arch component.
    Type: Grant
    Filed: May 6, 2020
    Date of Patent: August 3, 2021
    Assignee: YUNGU (GU'AN) TECHNOLOGY CO., LTD.
    Inventors: Zhaoji Zhu, Liwei Ding, Fu Liao, Hongqi Hou, Liuyang Wang, Yongfeng Zhao
  • Publication number: 20200371554
    Abstract: A display device includes a display screen and a clipping structure. The display screen includes a bending area, a first end and a second end which are connected with the bending area. The first end is bendable by using the bending area, and the clipping structure is used to clip the second end of the display screen so as to fix the second end during a bending process of the first end. The display device provided by the embodiments of the present application ensures stability of the second end of the display screen.
    Type: Application
    Filed: August 13, 2020
    Publication date: November 26, 2020
    Applicant: Yungu (Gu'an) Technology Co., Ltd.
    Inventors: Zhaoji ZHU, Liwei DING, Yuhua WU, Yongfeng ZHAO, Hongqi HOU, Fu LIAO