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).
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Patent number: 12272317Abstract: Provided are a display substrate and a display device. The display substrate includes a base substrate, and a driving circuit layer and a light-emitting device layer on the base substrate. The display substrate includes a light-transmitting display area and a normal display area, the normal display area surrounds at least a portion of the light-transmitting display area. The normal display area includes multiple normal driving circuits and multiple dummy driving circuits; some dummy driving circuit are used for driving light-emitting devices located in the light-transmitting display area. The display substrate further includes multiple normal data lines coupled to the normal driving circuits; at least one normal data line is coupled to a data signal input terminal through a data lead; an orthographic projection of the data lead onto the base substrate at least partially overlaps an orthographic projection of the dummy driving circuit onto the base substrate.Type: GrantFiled: April 22, 2022Date of Patent: April 8, 2025Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhengkun Li, De Li, Haigang Qing, Yue Long, Cong Liu, Qiwei Wang, Binyan Wang, Zhongliu Yang, Tianyi Cheng, Ni Yang, Qiyang Wu
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Patent number: 12272303Abstract: The present disclosure provides a driving circuitry, a driving method, a driving module, and a display device. The driving circuitry includes a driving signal generation circuitry, a gating circuitry, an output control circuitry and an output circuitry. The driving signal generation circuitry is configured to perform a shifting operation on an (N?1)th-level driving signal to obtain an Nth-level driving signal. The gating circuitry is configured to write a gating input signal into a first node under the control of a gating control signal. The output control circuitry is configured to perform an NAND operation on the Nth-level driving signal and a potential at a second end of the output control circuitry to obtain a first output signal. The output circuitry is configured to perform phase inversion on the first output signal to obtain and provide an output driving signal through an output driving end, where N is a positive integer.Type: GrantFiled: May 23, 2023Date of Patent: April 8, 2025Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Ziyang Yu, Haijun Qiu, Ming Hu, Zhiliang Jiang, Tianyi Cheng, Jianpeng Wu, Mengqi Wang, Qi Wei, Wenbo Chen, Tiaomei Zhang, Sifei Ai, Cong Liu, Qian Xu
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Publication number: 20250104640Abstract: A driving circuit includes a driving signal generation circuit, a gating circuit, an output control circuit, an output circuit, a voltage control circuit and a second node control circuit; the driving signal generation circuit generates an Nth stage of driving signal; the output control circuit controls to connect the first control node and the second node under the control of the potential of the first node; the gating circuit writes a gating input signal into the first node under the control of a gating control signal; the voltage control circuit controls a potential of the second node according to the potential of the first node; the second node control circuit controls to connect the second node and the first voltage terminal under the control of the potential of the first node.Type: ApplicationFiled: December 19, 2022Publication date: March 27, 2025Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Ziyang Yu, Haijun Qiu, Ming Hu, Zhiliang Jiang, Tianyi Cheng, Jianpeng Wu, Wenbo Chen, Mengqi Wang, Cong Liu, Qian Xu, Erjin Zhao
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Publication number: 20250095580Abstract: A display substrate is provided. The display substrate includes a base substrate and a plurality of reset signal lines. The base substrate includes a display region, the display region includes a plurality of sub-pixels arranged in array, each of the plurality of sub-pixels includes a pixel driving circuit and a light-emitting element. The plurality of reset signal lines extend in a first direction, the plurality of reset signal lines 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.Type: ApplicationFiled: December 2, 2024Publication date: March 20, 2025Applicants: 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
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Publication number: 20250087163Abstract: A driving circuit includes a driving signal generation circuit, a gating circuit, an output control circuit, an output circuit and a voltage control circuit; the driving signal generation circuit generates an Nth stage of driving signal, the output control circuit connects the first control node and the second node under the control of the potential of the first node; the gating circuit controls to write a gating input signal into the first node under the control of a gating control signal; the voltage control circuit controls a potential of the second node according to a potential of the first node; the output circuit connects the output driving terminal and the first voltage terminal under the control of the potential of the second node, and connects the output driving terminal and the second voltage terminal under the control of the potential of the third control node.Type: ApplicationFiled: December 19, 2022Publication date: March 13, 2025Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Ziyang Yu, Haijun Qiu, Ming Hu, Zhiliang Jiang, Tianyi Cheng, Jianpeng Wu, Erjin Zhao, Mengqi Wang, Wenbo Chen, Cong Liu, Qian Xu
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Publication number: 20250087166Abstract: A driving circuit includes a driving signal generation circuit, a gating circuit, an output control circuit and an output circuit; the driving signal generation circuit generates and outputs the Nth stage of driving signal; the gating circuit controls to write the gating input signal into the first node; the output control circuit performs a NAND operation on the Nth stage of driving signal and the potential of the second terminal of the output control circuit to obtain a first output signal; the output circuit inverts the first output signal to obtain and provide an output driving signal through the output driving terminal; N is a positive integer.Type: ApplicationFiled: December 19, 2022Publication date: March 13, 2025Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Ziyang Yu, Haijun Qiu, Ming Hu, Zhiliang Jiang, Tianyi Cheng, Jianpeng Wu, Wenbo Chen, Mengqi Wang, Cong Liu, Qian Xu, Qingqing Yan, Pan Zhao, Qing He, Xiangnan Pan, Quanyong Gu
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Publication number: 20250078740Abstract: The present disclosure provides a driving circuitry, a driving method, a driving module, and a display device. The driving circuitry includes a driving signal generation circuitry, a gating circuitry, an output control circuitry and an output circuitry. The driving signal generation circuitry is configured to perform a shifting operation on an (N?1)th-level driving signal to obtain an Nth-level driving signal. The gating circuitry is configured to write a gating input signal into a first node under the control of a gating control signal. The output control circuitry is configured to perform an NAND operation on the Nth-level driving signal and a potential at a second end of the output control circuitry to obtain a first output signal. The output circuitry is configured to perform phase inversion on the first output signal to obtain and provide an output driving signal through an output driving end, where N is a positive integer.Type: ApplicationFiled: May 23, 2023Publication date: March 6, 2025Inventors: Ziyang YU, Haijun QIU, Ming HU, Zhiliang JIANG, Tianyi CHENG, Jianpeng WU, Mengqi WANG, Qi WEI, Wenbo CHEN, Tiaomei ZHANG, Sifei AI, Cong LIU, Qian XU
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Publication number: 20250067749Abstract: A diazo compound and a preparation method and a use thereof. The diazo compound has the structure as shown in formula wherein R1 represents H, alkyl, halogen, alkoxy or alkylamino; and R2 represents an aromatic group. On the basis of the aforementioned diazo compound as a derivatization reagent, the derivatization treatment of a small molecule carboxylic acid can significantly enhance the mass spectrometry response thereof and improve the detection sensitivity, thereby improving the detection accuracy. Moreover, it is not required to configure special chromatographic columns or special mobile phases for the derivatized small molecule carboxylic acid, and the best separation effect in a shorter time can be achieved on the basis of a lower cost, which is more conducive to high-throughput sample detection and has better detection accuracy.Type: ApplicationFiled: April 28, 2023Publication date: February 27, 2025Inventors: Zhixing CHEN, Li Quan, Cong Li, Kunlun Cheng, Qijin Zhao
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Patent number: 12230836Abstract: 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: GrantFiled: October 17, 2022Date of Patent: February 18, 2025Assignee: CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITEDInventors: Jiarui Tian, Yongsheng Guo, Cong Cheng, Yuanyuan Lan, Shuojian Su, Xinxin Zhang, Na Liu, Chuying Ouyang
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Patent number: 12223912Abstract: 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: GrantFiled: July 23, 2021Date of Patent: February 11, 2025Assignees: 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
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Patent number: 12213355Abstract: A display panel is described that includes a light-transmitting area, a main display area, a first transition display area, and a first wiring area. The display panel further includes: a plurality of first light-emitting units, a plurality of first pixel driving circuits, a plurality of first signal lines, a plurality of second signal lines, and a plurality of third signal lines. The plurality of first light-emitting units are located in the light-transmitting area; the plurality of first pixel driving circuits are located in the first transition display area; the plurality of first signal lines extend in the second direction and are located in the first transition display area for providing a potential signal to the first pixel driving circuit.Type: GrantFiled: January 6, 2021Date of Patent: January 28, 2025Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yao Huang, Yudiao Cheng, Cong Liu
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Patent number: 12211433Abstract: 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 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 for at least one clock signal line included in the at least one signal line, a ratio between a size of the hollow in a first direction and a size of a shift register unit in the first direction ranges from ¾ to 1.Type: GrantFiled: February 29, 2024Date of Patent: January 28, 2025Assignees: 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
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Patent number: 12160003Abstract: An electrode assembly includes a water-based positive electrode plate and a negative electrode plate, wherein the water-based positive electrode plate includes a positive electrode current collector and a positive electrode film layer located on at least one surface of the positive electrode current collector; and the negative electrode plate comprises a negative electrode current collector and a negative electrode film layer located on at least one surface of the negative electrode current collector; at least part of surface of the water-based positive electrode plate is provided with a plurality of first micropores, and satisfies: 0.001%?(S12×H12×D1)/(S11×C1×H11)?1%, at least part of surface of the negative electrode plate is provided with a plurality of second micropores, and satisfies: 0<(S22×H22×D2)/(S21×C2×H21)?2.5%.Type: GrantFiled: March 26, 2024Date of Patent: December 3, 2024Assignee: CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITEDInventors: Junguang Chen, Cong Cheng, Haile Pei, Shengwu Zhang, Xinghui Wang, Shisong Li
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Patent number: 12132226Abstract: 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: GrantFiled: February 24, 2023Date of Patent: October 29, 2024Assignee: Contemporary Amperex Technology (Hong Kong) LimitedInventors: Yuanyuan Lan, Jianrui Yang, Haiyi Hong, Cong Cheng, Na Liu, Haizu Jin
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Publication number: 20240313224Abstract: An electrode assembly includes a water-based positive electrode plate and a negative electrode plate, wherein the water-based positive electrode plate includes a positive electrode current collector and a positive electrode film layer located on at least one surface of the positive electrode current collector; and the negative electrode plate comprises a negative electrode current collector and a negative electrode film layer located on at least one surface of the negative electrode current collector; at least part of surface of the water-based positive electrode plate is provided with a plurality of first micropores, and satisfies: 0.001%?(S12×H12×D1)/(S11×C1×H11)?1%, at least part of surface of the negative electrode plate is provided with a plurality of second micropores, and satisfies: 0<(S22×H22×D2)/(S21×C2×H21)?2.5%.Type: ApplicationFiled: March 26, 2024Publication date: September 19, 2024Inventors: Junguang CHEN, Cong CHENG, Haile PEI, Shengwu ZHANG, Xinghui WANG, Shisong LI
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Publication number: 20240266541Abstract: This application provides a conductive slurry, a current collector, a secondary battery, a battery module, a battery pack, and an electric apparatus. The conductive slurry in this application includes the following raw material components: an aqueous binder including an aqueous polymer having polycarboxyl functionality, a conductive agent, a dispersant, and a curing agent, where the curing agent is used for cross-linking reaction with the aqueous polymer having polycarboxyl functionality. The conductive slurry in embodiments of this application has relatively good conductivity and adhesion performance as well as relatively good water resistance, which can improve stability of the secondary battery during operation and prolong its cycle life.Type: ApplicationFiled: March 27, 2024Publication date: August 8, 2024Inventors: Haile Pei, Cong Cheng, Junguang Chen, Bingzi Yang, Shengwu Zhang, Xinghui Wang
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Publication number: 20240266673Abstract: 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: ApplicationFiled: April 2, 2024Publication date: August 8, 2024Inventors: Yuanyuan Lan, Jianrui Yang, Haiyi Hong, Cong Cheng, Na Liu, Haizu Jin
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Patent number: 12021259Abstract: 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 electrical device containing such separator, preparation methods thereof, organic-inorganic hybrid composite compound for improving performance of a separator.Type: GrantFiled: July 15, 2022Date of Patent: June 25, 2024Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Yongsheng Guo, Jiarui Tian, Cong Cheng, Na Liu, Chuying Ouyang, Yuanyuan Lan, Shuojian Su
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Publication number: 20240186510Abstract: A positive electrode active material composition, a water-based positive electrode slurry, a positive electrode plate, a secondary battery, and an electrical device are disclosed. The positive electrode active material composition includes a first positive electrode active material, a second positive electrode active material, and a third positive electrode active material, the first positive electrode active material has a volume average particle size Dv50 denoted as A1 in ?m, with A1 satisfying 0.2?A1?0.8; the second positive electrode active material has a volume average particle size Dv50 denoted as A2 in ?m, with A2 satisfying 1.0?A2?2.5; and the third positive electrode active material has a volume average particle size Dv50 denoted as A3 in ?m, with A3 satisfying 3.0?A3?6.0. The positive electrode plate of the present application has both a higher compaction density and a lower water content.Type: ApplicationFiled: February 15, 2024Publication date: June 6, 2024Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Haile PEI, Cong CHENG, Junguang CHEN, Shengwu ZHANG, Xinghui WANG, Yanying WU
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Patent number: 11944954Abstract: 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: GrantFiled: October 2, 2022Date of Patent: April 2, 2024Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Jiarui Tian, Yongsheng Guo, Cong Cheng, Xinxin Zhang, Na Liu, Chuying Ouyang