Patents by Inventor Cong Cheng

Cong Cheng 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).

  • Publication number: 20240135873
    Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate and a plurality of reset signal lines. The base substrate includes a display region which includes sub-pixels arranged in array, each sub-pixels includes a pixel driving circuit and a light-emitting element. The plurality of reset signal lines extends in a first direction and include a plurality of first reset signal lines for providing a first reset signal and a plurality of second reset signal lines for providing a second reset signal, and one of the plurality of first reset signal lines and one of the plurality of second reset signal lines are respectively connected to pixel driving circuits of a plurality of sub-pixels located in a same row. A layer where the plurality of first reset signal lines are located is different from layers where the plurality of second reset signal lines are located.
    Type: Application
    Filed: June 9, 2021
    Publication date: April 25, 2024
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Kaipeng SUN, Binyan WANG, Feng WEI, Meng LI, Tianyi CHENG, Lina WANG, Cong LIU, Shiqian DAI
  • Patent number: 11944954
    Abstract: An organic-inorganic hybrid porous material. The organic-inorganic hybrid porous material contains a doping element A are provided. In some embodiments, the element A is one or more selected from: Li, Na, K, Rb, Cs, Sr, Zn, Mg, Ca, or any combination thereof. An external specific surface area of the organic-inorganic hybrid porous material is 1 to 100 m2/g. A ratio of the external specific surface area to a total specific surface area of the organic-inorganic hybrid porous material is 0.7 to 0.9.
    Type: Grant
    Filed: October 2, 2022
    Date of Patent: April 2, 2024
    Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Jiarui Tian, Yongsheng Guo, Cong Cheng, Xinxin Zhang, Na Liu, Chuying Ouyang
  • Patent number: 11948500
    Abstract: A display substrate and a manufacturing method thereof, and a display device are provided. In the display substrate, each signal line includes a first conductive portion; for at least one signal line, the display substrate includes a multi-layer insulating pattern on a side of the first conductive portion of each signal line away from the base substrate, and at least one insulating pattern covers a surface of a side of the first conductive portion away from the base substrate; a first insulating pattern in the multi-layer insulating pattern includes a hollow, and an orthographic projection of the hollow on the base substrate is at least partially in a region surrounded by an orthographic projection of the first conductive portion on the base substrate; and a material of the first insulating pattern includes an organic insulating material.
    Type: Grant
    Filed: May 31, 2021
    Date of Patent: April 2, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Cong Liu, Binyan Wang, Tianyi Cheng, Feng Wei, Meng Li, Shiqian Dai, Kaipeng Sun
  • Publication number: 20240078977
    Abstract: A display substrate and a display apparatus are disclosed. The display substrate includes a base substrate including a display region and a peripheral region located on at least one side of the display region, and a first gate drive circuit, the first gate drive circuit includes a first clock signal line, a second clock signal line and N shift register units that are cascaded; each shift register unit of the N shift register units includes a first output circuit; the first output circuit includes the first output transistor, the orthographic projection of the second clock signal line on the base substrate is located between an orthographic projection of the first output transistor on the base substrate and the orthographic projection of the first clock signal line on the base substrate. The display substrate can reduce load of the first clock signal line and the second clock signal line.
    Type: Application
    Filed: July 23, 2021
    Publication date: March 7, 2024
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Binyan WANG, Cong LIU, Tianyi CHENG, Feng WEI, Meng LI, Shiqian DAI, Kaipeng SUN, Lina WANG
  • Publication number: 20240072327
    Abstract: This application discloses a battery box. The battery box includes a controller, a first sensor, and a spraying apparatus and an extinguishing agent pipeline that are located above a battery module. The controller is electrically connected to the first sensor and the spraying apparatus. The spraying apparatus is connected to the extinguishing agent pipeline. The first sensor is configured to detect a temperature of the battery box, and send a first electrical signal to the controller. The controller is configured to control the spraying apparatus to spray an extinguishing agent to the battery module. According to the solution of this application, when thermal runaway occurs in the battery box, and the temperature exceeds a set threshold, a fire may be extinguished in time, to avoid spreading of the fire and reduce a loss.
    Type: Application
    Filed: August 22, 2023
    Publication date: February 29, 2024
    Inventors: Lei Chen, Cong Cheng, Jie Xie, Cheng Xiong, Zhuangzhuang Jia, Qingsong Wang, Wenxin Mei
  • Publication number: 20240030437
    Abstract: This application provides a positive electrode slurry including a solid inclusion and water, where the solid inclusion includes a positive electrode active material capable of intercalating and deintercalating lithium ions and lithium-containing graphene.
    Type: Application
    Filed: August 15, 2023
    Publication date: January 25, 2024
    Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Junguang CHEN, Cong CHENG, Haile PEI, Bingzi YANG, Xinghui WANG, Shengwu ZHANG
  • Patent number: 11870029
    Abstract: A separator includes: a first porous substrate; and a second porous substrate arranged on at least one surface of the first porous substrate; wherein the elongation at break of the second porous substrate is greater than the elongation at break of the first porous substrate in at least one of the machine and transverse directions of the separator. The separator has a high tensile strength and an elongation at break and good heat resistance, and may improve the safety performance of the energy storage device when the separator is applied to the energy storage device.
    Type: Grant
    Filed: March 17, 2021
    Date of Patent: January 9, 2024
    Assignee: NINGDE AMPEREX TECHNOLOGY LIMITED
    Inventors: Wei Cui, Xinghua Tao, Cong Cheng
  • Publication number: 20230361305
    Abstract: The present application relates to an aqueous positive electrode sheet, including a current collector and a positive electrode active substance layer provided on at least one surface of the current collector, the positive electrode active substance layer including an aqueous binder, where bond strength AT between the positive electrode active substance layer and the current collector and cohesive CT of the positive electrode active substance layer itself satisfy the following relationship: 1?CT/AT?10. The present application further relates to a secondary battery including the aqueous positive electrode sheet, a battery pack including the secondary battery, and a power consumption apparatus including the battery pack.
    Type: Application
    Filed: May 26, 2023
    Publication date: November 9, 2023
    Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Cong CHENG, Haile PEI, Junguang CHEN, Shengwu ZHANG, Xinghui WANG, Shisong LI
  • Patent number: 11777133
    Abstract: A separator includes: a first porous substrate; and a second porous substrate arranged on at least one surface of the first porous substrate; wherein the elongation at break of the second porous substrate is greater than the elongation at break of the first porous substrate in at least one of the machine and transverse directions of the separator. The separator has a high tensile strength and an elongation at break and good heat resistance, and may improve the safety performance of the energy storage device when the separator is applied to the energy storage device.
    Type: Grant
    Filed: March 17, 2021
    Date of Patent: October 3, 2023
    Assignee: NINGDE AMPEREX TECHNOLOGY LIMITED
    Inventors: Wei Cui, Xinghua Tao, Cong Cheng
  • Publication number: 20230307648
    Abstract: The present application relates to an aqueous positive electrode sheet, which may include a current collector and a positive electrode active substance layer provided on at least one surface of the current collector, the positive electrode active substance layer may include an aqueous binder, where the porosity of a surface area of the positive electrode active substance layer may be greater than the porosity of an inner area of the positive electrode active substance layer, and the average particle size of the positive electrode active material in the surface area may be greater than the average particle size of the positive electrode active material in the inner area. The present application further relates to a secondary battery including the aqueous positive electrode sheet, a battery pack including the secondary battery, and a power consumption apparatus including the battery pack.
    Type: Application
    Filed: May 26, 2023
    Publication date: September 28, 2023
    Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Cong CHENG, Junguang CHEN, Haile PEI, Shengwu ZHANG, Xinghui WANG, Ning WANG
  • Publication number: 20230307790
    Abstract: A separator, comprising a substrate and a coating provided on at least one surface of the substrate are provided. In some embodiments, the coating comprises inorganic particles and organic particles, the organic particles comprise first organic particles and second organic particles both embedded in the inorganic particles and forming protrusions on the surface of the coating; the first organic particles are secondary particles, and the number of the first organic particles in the coating is denoted as A; the second organic particles are primary particles and the number of the second organic particles in the coating is denoted as B; with the separator satisfying: 0.05?A/B<1. The present application also relates to a method for preparing the separator, as well as a secondary battery comprising the separator, a battery module, a battery pack and a device.
    Type: Application
    Filed: May 17, 2023
    Publication date: September 28, 2023
    Inventors: Haiyi Hong, Jianrui Yang, Yuanyuan Lan, Cong Cheng, Na Liu, Haizu Jin
  • Publication number: 20230285933
    Abstract: An organic-inorganic hybrid porous material. The organic-inorganic hybrid porous material contains a doping element A are provided. In some emodiments, the element A is one or more selected from: Li, Na, K, Rb, Cs, Sr, Zn, Mg, Ca, or any combination thereof. An external specific surface area of the organic-inorganic hybrid porous material is 1 to 100 m2/g. A ratio of the external specific surface area to a total specific surface area of the organic-inorganic hybrid porous material is 0.7 to 0.9.
    Type: Application
    Filed: October 2, 2022
    Publication date: September 14, 2023
    Inventors: Jiarui Tian, Yongsheng Guo, Cong Cheng, Xinxin Zhang, Na Liu, Chuying Ouyang
  • Publication number: 20230207963
    Abstract: This application relates to a separator, including a substrate and a coating layer provided on at least one surface of the substrate. The coating layer includes organic particles and inorganic particles, the organic particles include first-type organic particles, the inorganic particles form an inorganic particle layer, and the first-type organic particles are embedded into the inorganic particle layer and form bulges on a surface of the inorganic particle layer. A number-based median particle size of the first-type organic particles is ?12 ?m, and a ratio of an average height of the bulges to a thickness of the inorganic particle layer is ?4. This application further relates to a separator preparation method, a secondary battery containing such separator, and a related battery module, battery pack, and apparatus.
    Type: Application
    Filed: February 24, 2023
    Publication date: June 29, 2023
    Inventors: Yuanyuan LAN, Jianrui Yang, Haiyi Hong, Cong Cheng, Na Liu, Haizu Jin
  • Publication number: 20230049880
    Abstract: The present application provides an organic-inorganic hybrid complex which can be used in a coating of a separator for a secondary battery, wherein the organic-inorganic hybrid complex is formed from basic units represented by formula (I) being periodically assembled in at least one spatial direction: [Lx-i?i][MaCb].Az (I), wherein a defect percentage expressed in i/x*100% is 1% to 30%. The present application further provides a coating composition comprising the organic-inorganic hybrid complex, a coating formed from the coating composition, a separator comprising the coating for a secondary battery, a secondary battery comprising the separator, a battery module, a battery pack and a device. By applying the organic-inorganic hybrid complex of the present application in a coating, the electrolyte infiltration of a separator for a secondary battery is improved while increasing the electrolyte retention rate, thereby improving the rate capability and cycling life of the secondary battery.
    Type: Application
    Filed: October 17, 2022
    Publication date: February 16, 2023
    Inventors: Jiarui TIAN, Yongsheng GUO, Cong CHENG, Yuanyuan LAN, Shuojian SU, Xinxin ZHANG, Na LIU, Chuying OUYANG
  • Publication number: 20230024649
    Abstract: The present application relates to a separator, comprising a substrate and a coating formed on at least one surface of the substrate; wherein the coating comprises inorganic particles and organic particles, the organic particles comprise first organic particles and second organic particles; the first organic particles and the second organic particles are embedded in the inorganic particles and form protrusions on the surface of the coating; the first organic particles have a number-average particle size of >10 ?m, and the second organic particles have a number-average particle size of 2 ?m-10 ?m. The present application also relates to a secondary battery comprising the separator, a device comprising the secondary battery and a method for preparing the separator.
    Type: Application
    Filed: September 22, 2022
    Publication date: January 26, 2023
    Inventors: Haiyi HONG, Cong CHENG, Yuanyuan LAN, Jianrui YANG, Na LIU, Haizu JIN
  • Publication number: 20230016626
    Abstract: The present application relates to a separator in the electrochemical field and a preparation method therefor, and to a secondary battery comprising the separator, a device comprising the secondary battery. The separator of the present application is prepared by a simple process and has excellent heat resistance performance. Moreover, the secondary batteries and devices comprising the separator of the present application have good safety performance and cycling performance.
    Type: Application
    Filed: September 9, 2022
    Publication date: January 19, 2023
    Inventors: Cong CHENG, Haiyi Hong, Yuanyuan Lan, Jianrui Yang, Na Liu, Haizu Jin
  • Publication number: 20230017049
    Abstract: The present application relates to a separator, comprising a substrate and a coating formed on at least one surface of the substrate; wherein the coating comprises inorganic particles and organic particles, the organic particles comprise first organic particles and second organic particles both embedded in the inorganic particles and forming protrusions on the surface of the coating, the first organic particles have a number-average particle size of ?8 ?m; the second organic particles have a number-average particle size of ?2 ?m, and at least part of the second organic particles comprise a core structure and a shell structure. The present application also relates to a secondary battery comprising the separator, a device comprising the secondary battery and a method for preparing the separator.
    Type: Application
    Filed: September 8, 2022
    Publication date: January 19, 2023
    Inventors: Haiyi HONG, Jianrui YANG, Cong CHENG, Yuanyuan LAN, Na LIU, Haizu JIN
  • Publication number: 20230015490
    Abstract: The present application relates to a separator, comprising a substrate and a coating formed on at least one surface of the substrate, wherein the coating comprises inorganic particles and first organic particles embedded in the inorganic particles and forming protrusions on the surface of the coating, and the first organic particles have a primary particle morphology and a number-average particle size of ?2 ?m. The present application also relates to a secondary battery comprising the separator, a device comprising the secondary battery and a method for preparing the separator.
    Type: Application
    Filed: September 9, 2022
    Publication date: January 19, 2023
    Inventors: Cong CHENG, Haiyi HONG, Jianrui YANG, Yuanyuan LAN, Na LIU, Haizu JIN
  • Publication number: 20220393305
    Abstract: This application provides a separator, an electrical apparatus including the separator, and preparation methods thereof. The separator includes a coating layer containing an organic-inorganic hybrid composite compound and provides improved performance in a number of aspects, and the organic-inorganic hybrid composite compound is formed by periodically assembling, along at least one spatial direction, basic units expressed by formula I, Lx(MaCb)y.Az. This application further provides a battery and electrical device containing such separator, preparation methods thereof, organic-inorganic hybrid composite compound for improving performance of a separator.
    Type: Application
    Filed: August 12, 2022
    Publication date: December 8, 2022
    Inventors: Yongsheng GUO, Jiarui TIAN, Cong CHENG, Na LIU, Chuying OUYANG, Yuanyuan LAN, Shuojian SU
  • Publication number: 20220359951
    Abstract: This application provides a separator, an electrical apparatus containing such separator, and preparation methods thereof. The separator includes a coating layer containing an organic-inorganic hybrid composite compound and provides improved performance in a number of aspects, and the organic-inorganic hybrid composite compound is formed by periodically assembling, along at least one spatial direction, basic units expressed by formula I, Lx(MaCb)y.Az. This application further provides a battery and an electrical device containing such separator, preparation methods thereof, and an organic-inorganic hybrid composite compound for improving performance of a separator.
    Type: Application
    Filed: July 12, 2022
    Publication date: November 10, 2022
    Inventors: Yongsheng GUO, Jiarui Tian, Cong Cheng, Na Liu, Chuying Ouyang, Yuanyuan Lan, Shuojian Su