Patents by Inventor Feng Guan

Feng Guan 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: 20260164933
    Abstract: A display substrate and preparation method therefor, and display apparatus. The display substrate includes multiple circuit units, a circuit unit includes a pixel drive circuit, a first scan signal line, a second scan signal line, a third scan signal line and a light emitting signal line. The pixel drive circuit at least includes an eighth transistor and a ninth transistor. An orthographic projection of first scan signal line on a plane of the display substrate at least partially overlaps that of second scan signal line on the plane of the display substrate, an orthographic projection of third scan signal line on the plane of the display substrate at least partially overlaps that of light emitting signal line on plane of the display substrate, an orthographic projection of eighth transistor on the plane of the display substrate at least partially overlaps that of ninth transistor on plane of the display substrate.
    Type: Application
    Filed: August 31, 2023
    Publication date: June 11, 2026
    Inventors: Jiao ZHAO, Meng ZHAO, Yuzhen GUO, Chenyang ZHANG, Xiaorong CUI, Lipeng GAO, Haoliang ZHENG, Minghua XUAN, Ying ZHOU, Feng GUAN, Jianhua DU, Yang LV, Chaolu WANG, Yicheng WANG, Rui YAN, Hao WU, Li XIAO
  • Patent number: 12648285
    Abstract: A driving backplane includes a first substrate, a thick copper layer, a second substrate, and a driving layer stacked in sequence. The thick copper layer is provided with a driving wire configured to load a driving signal. The driving layer is provided with a driving circuit. The driving circuit is electrically connected to the driving wire through a via.
    Type: Grant
    Filed: March 31, 2023
    Date of Patent: June 2, 2026
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xue Dong, Feng Guan, Guangcai Yuan, Ce Ning, Minghua Xuan, Haoliang Zheng, Fei Wang, Jianhua Du, Yang Lv, Chaolu Wang
  • Patent number: 12635248
    Abstract: The disclosure relates to an array substrate, a display panel, and a method for manufacturing an array substrate. The array substrate includes a first active layer on a substrate; a second active layer on a side of the first active layer away from the substrate; an intermediate layer between the first and second active layers and including a first via arriving at the first active layer, wherein the second active layer includes first, second and third sub-active layers, the first sub-active layer extending around a perimeter of the first via and in a direction away from the first via, the second sub-active layer covering a side wall of the first via, the third sub-active layer being at a bottom of the first via and covering a portion of a surface of the second active layer exposed by the first via, and wherein the second active layer is continuous.
    Type: Grant
    Filed: September 27, 2022
    Date of Patent: May 19, 2026
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chaolu Wang, Liuqing Li, Feng Guan, Meng Zhao, Jinchao Zhang
  • Publication number: 20260054322
    Abstract: The present invention belongs to the field of material processing and manufacturing, and provides a control method for laser cladding forming of titanium alloy load-bearing frame components. The control method designs a physical separation surface of each block subpiece, a fillet state of each technological interface, the margin size of each technology, the forming spatial positions of web plates and a heat treatment gear for the forming of the block subpieces, designs a connection groove form and a connection method among the block subpieces for the formed block subpieces, and conducts laser cladding connection for the block subpieces for connection forming. The present invention adopts first block forming and final connection, which effectively reduces the deformation of the components. The same technology is used for connection, which enhances the consistency with the metallurgical structural properties of a component matrix at the connection.
    Type: Application
    Filed: October 28, 2025
    Publication date: February 26, 2026
    Inventors: Keming LI, Yanmei LIU, Jianchao ZHENG, Jipeng SHI, Feng GUAN
  • Patent number: 12552612
    Abstract: A conveying device includes a bracket, a conveyor belt, a first shaft, a second shaft, a support seat, and a bearing seat. The first shaft is threaded through an annular space of the conveyor belt, and the second shaft is threaded through the annular space of the conveyor belt. The first shaft and the second shaft are separately located at two ends of the conveyor belt along a conveying direction. The support seat is arranged on the bracket, one support seat is arranged at each of two shaft ends of the first shaft, and the shaft end of the first shaft is detachably connected to the support seat. The bearing seat is arranged on the bracket, one bearing seat is arranged at each of two shaft ends of the second shaft, and the shaft end of the second shaft is detachably connected to the bearing seat.
    Type: Grant
    Filed: August 7, 2025
    Date of Patent: February 17, 2026
    Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Xielin Yang, Feng Guan, Hongyan Liao
  • Patent number: 12550354
    Abstract: A thin film transistor includes an active layer, first and second electrodes, and a third doped pattern. The active layer has a channel region, and a first electrode region and a second electrode region, the first electrode region has a first ion doping concentration, and the second electrode region has a second ion doping concentration. The first electrode and the second electrode are disposed on a side of the active layer in the thickness direction. The first electrode is coupled to the first electrode region, and the second electrode is coupled to the second electrode region. The third doped pattern is disposed between the first electrode and the first electrode region, and in direct contact with the first electrode and the first electrode region. The third doped pattern has a third ion doping concentration, and the third ion doping concentration is different from the first ion doping concentration.
    Type: Grant
    Filed: June 15, 2021
    Date of Patent: February 10, 2026
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhaohui Qiang, Chao Li, Huiqin Zhang, Li Qiang, Feng Guan, Zhiwei Liang
  • Patent number: 12550524
    Abstract: A display substrate and a preparation method thereof, a preparation apparatus and a display apparatus are provided, which relate to the technical field of display. The display substrate includes a plurality of light-emitting areas and non-light-emitting areas surrounding respective light-emitting areas. The display substrate includes: a base substrate; a light-emitting functional layer disposed at a side of the base substrate, the light-emitting functional layer including a light-emitting material located in the plurality of light-emitting areas and the non-light-emitting areas. The light-emitting material in the non-light-emitting areas is doped with destructive ions, and the destructive ions are configured for destroying luminescent characteristics of the light-emitting material in the non-light-emitting area.
    Type: Grant
    Filed: July 11, 2022
    Date of Patent: February 10, 2026
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Feng Guan, Yongfeng Zhang, Chaolu Wang, Meng Zhao
  • Patent number: 12527160
    Abstract: A display substrate is provided to include a base substrate and: a first transistor layer including a first active layer and a second transistor layer including a second active layer sequentially along a direction away from the base substrate; the first and second active layers are provided with at least one insulating layer therebetween, and are made of low-temperature polysilicon materials; the first active layer includes first channel region(s) and first source-drain doped region(s); the second active layer includes second channel region(s) and second source-drain doped region(s); orthographic projections of a second source-drain doped region and a first source-drain doped region on the base substrate overlap with each other; and a second source-drain doped region is connected to a first source-drain doped region through a connecting part filled in a corresponding first via in the insulating layer. A method for manufacturing a display substrate and a display apparatus are provided.
    Type: Grant
    Filed: January 28, 2022
    Date of Patent: January 13, 2026
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Feng Guan
  • Patent number: 12519193
    Abstract: A liquid injection device comprises a vacuumizing air path, first-level and second-level cups, injection paths, and liquid flowing assemblies. The first-level cup is formed with a plurality of buffer cavities that are isolated from each other; the second-level cup is formed with a plurality of liquid injection cavities that are isolated from each other; the liquid injection cavities are all communicated with the vacuumizing air path; each injection path is communicated with one buffer cavity; the liquid flowing assemblies, the buffer cavities, and the liquid injection cavities are arranged in a one-to-one correspondence manner; each liquid flowing assembly comprises a liquid flowing channel and a first switch element; the liquid flowing channel is communicated with one buffer cavity and one liquid injection cavity; and the first switch element is arranged in the liquid flowing channel to selectively open or close the liquid flowing channel.
    Type: Grant
    Filed: June 17, 2025
    Date of Patent: January 6, 2026
    Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Hongyan Liao, Feng Guan, Chen Huang
  • Publication number: 20250361092
    Abstract: A conveying device includes a bracket, a conveyor belt, a first shaft, a second shaft, a support seat, and a bearing seat. The first shaft is threaded through an annular space of the conveyor belt, and the second shaft is threaded through the annular space of the conveyor belt. The first shaft and the second shaft are separately located at two ends of the conveyor belt along a conveying direction. The support seat is arranged on the bracket, one support seat is arranged at each of two shaft ends of the first shaft, and the shaft end of the first shaft is detachably connected to the support seat. The bearing seat is arranged on the bracket, one bearing seat is arranged at each of two shaft ends of the second shaft, and the shaft end of the second shaft is detachably connected to the bearing seat.
    Type: Application
    Filed: August 7, 2025
    Publication date: November 27, 2025
    Inventors: Xielin YANG, Feng GUAN, Hongyan LIAO
  • Patent number: 12482909
    Abstract: A liquid injection device comprises a liquid injection apparatus comprising: a battery clamp provided with at least one battery accommodating groove having a set position therein, a position adjustment mechanism configured to be capable of adjusting a battery that has been put in the battery accommodating groove and not located at the set position to the set position, and a liquid injection mechanism configured to be capable of butting to a liquid injection port of the battery located at the set position, and performing a liquid injection operation of injecting an electrolyte into the battery. For a battery that is not located at the set position, position adjustment is performed with the position adjustment mechanism such that the battery moves to the set position.
    Type: Grant
    Filed: June 17, 2025
    Date of Patent: November 25, 2025
    Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Hongyan Liao, Jian Zhang, Feng Guan
  • Publication number: 20250323401
    Abstract: A liquid injection system and a liquid injection method are disclosed. The liquid injection system includes a rotary device, a liquid injection device, a liquid preparation mechanism, a loading and unloading station, a liquid replenishment buffer station, a transfer mechanism, a first weighing device, a second weighing device and control equipment. The rotary device is provided with a plurality of battery placement positions arranged in a circumferential direction. The liquid injection device is disposed on each battery placement position, and configured to inject a liquid into a battery on the corresponding battery placement position. The liquid preparation mechanism is configured to prepare a liquid for the liquid injection device passing through a liquid preparation area of the liquid preparation mechanism. The liquid replenishment buffer station is configured to buffer batteries to be subjected to liquid replenishment.
    Type: Application
    Filed: May 15, 2025
    Publication date: October 16, 2025
    Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Hongyan Liao, Jian Zhang, Feng Guan
  • Publication number: 20250323402
    Abstract: A liquid injection device comprises a liquid injection apparatus comprising: a battery clamp provided with at least one battery accommodating groove having a set position therein, a position adjustment mechanism configured to be capable of adjusting a battery that has been put in the battery accommodating groove and not located at the set position to the set position, and a liquid injection mechanism configured to be capable of butting to a liquid injection port of the battery located at the set position, and performing a liquid injection operation of injecting an electrolyte into the battery. For a battery that is not located at the set position, position adjustment is performed with the position adjustment mechanism such that the battery moves to the set position.
    Type: Application
    Filed: June 17, 2025
    Publication date: October 16, 2025
    Inventors: Hongyan LIAO, Jian ZHANG, Feng GUAN
  • Publication number: 20250316867
    Abstract: A liquid injection device comprises a vacuumizing air path, first-level and second-level cups, injection paths, and liquid flowing assemblies. The first-level cup is formed with a plurality of buffer cavities that are isolated from each other; the second-level cup is formed with a plurality of liquid injection cavities that are isolated from each other; the liquid injection cavities are all communicated with the vacuumizing air path; each injection path is communicated with one buffer cavity; the liquid flowing assemblies, the buffer cavities, and the liquid injection cavities are arranged in a one-to-one correspondence manner; each liquid flowing assembly comprises a liquid flowing channel and a first switch element; the liquid flowing channel is communicated with one buffer cavity and one liquid injection cavity; and the first switch element is arranged in the liquid flowing channel to selectively open or close the liquid flowing channel.
    Type: Application
    Filed: June 17, 2025
    Publication date: October 9, 2025
    Inventors: Hongyan LIAO, Feng GUAN, Chen HUANG
  • Publication number: 20250280640
    Abstract: A driving backplane includes a first substrate, a thick copper layer, a second substrate, and a driving layer stacked in sequence. The thick copper layer is provided with a driving wire configured to load a driving signal. The driving layer is provided with a driving circuit. The driving circuit is electrically connected to the driving wire through a via.
    Type: Application
    Filed: March 31, 2023
    Publication date: September 4, 2025
    Inventors: Xue DONG, Feng GUAN, Guangcai YUAN, Ce NING, Minghua XUAN, Haoliang ZHENG, Fei WANG, Jianhua DU, Yang LV, Chaolu WANG
  • Publication number: 20250248195
    Abstract: Provided is a display panel, including: a base substrate including at least one side region and a display region; pixel units in the display region; a terminal located in the side region on the base substrate; a first wire on the base substrate, having one end electrically connected to the terminal and the other end electrically connected to a pixel driving circuit; a second wire on the base substrate, having one end electrically connected to the terminal, the second wire extends in a direction from the terminal to a side edge of the base substrate. The display panel includes a first conductive layer, a first planarization layer, a second conductive layer and a second planarization layer sequentially provided on the base substrate. An orthographic projection of the terminal on the base substrate is spaced apart from orthographic projections of the first and second planarization layers on the base substrate.
    Type: Application
    Filed: April 28, 2023
    Publication date: July 31, 2025
    Inventors: Shunhang Zhang, Minghua Xuan, Dongni Liu, Jianhua Du, Ying Zhou, Zhenyu Zhang, Zhen Zhang, Peirou Li, Yunsik Im, Lianfu Yu, Haoliang Zheng, Li Xiao, Feng Guan
  • Publication number: 20250230500
    Abstract: Groups of primers and probes for identifying eight kinds of animal-derived milk and milk products based on a double-tube duplex PCR and an application thereof are provided, which belongs to the technical field of milk product detection. The group of primers and probes of the present disclosure includes an internal reference forward primer and an internal reference reverse primer, a horse-derived forward primer and a horse-derived reverse primer, a donkey-derived forward primer and a donkey-derived reverse primer, a universal forward primer and a universal reverse primer, an internal reference probe, a buffalo-specific probe, a goat-specific probe, a sheep-specific probe, a horse-specific probe, a camel-specific probe, a yak-specific probe, a donkey-specific probe, and a cow-specific probe.
    Type: Application
    Filed: September 26, 2024
    Publication date: July 17, 2025
    Applicants: CHINA JILIANG UNIVERSITY, TAIZHOU FOOD AND DRUG INSPECTION INSTITUTE
    Inventors: Feng GUAN, Huili XIA, Yingqiu PAN, Jian GE, Xinyu MA, Yafang HUANG, Siyu YANG
  • Patent number: 12342620
    Abstract: An array substrate includes a base substrate, a driving circuit layer, and a functional device layer which are sequentially stacked; the driving circuit layer is provided with first driving circuits, and each first driving circuit at least includes a driving transistor; and the driving circuit layer includes a first gate layer, a first gate insulation layer, a semiconductor layer, a second gate insulation layer, a second gate layer, an interlayer dielectric layer, and a source-drain metal layer which are sequentially stacked on one side of the base substrate.
    Type: Grant
    Filed: May 18, 2021
    Date of Patent: June 24, 2025
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xue Dong, Guangcai Yuan, Ce Ning, Zhiwei Liang, Feng Guan, Zhaohui Qiang, Yingwei Liu, Ke Wang, Zhanfeng Cao
  • Patent number: 12328910
    Abstract: The disclosure provides a thin-film transistor, a manufacturing method thereof, an array substrate and a display panel, and belongs to the technical field of thin-film transistor devices. The thin-film transistor includes a base substrate, an active layer on the base substrate including a plurality of semiconductor nanowires, and a plurality of guiding projections on the base substrate which extend along a first direction and are arranged at intervals and each of which includes two side walls extending along the first direction, and the semiconductor nanowire extends along a side wall of the guiding projection. In the thin-film transistor, since the semiconductor nanowires are used as the active layer, mobility and concentration of carriers in the thin-film transistor can be effectively increased and therefore performance of the thin-film transistor can be improved. A length of the semiconductor nanowire is not limited, and a size of the thin-film transistor is not limited.
    Type: Grant
    Filed: June 24, 2021
    Date of Patent: June 10, 2025
    Assignee: BOE TECHNOLOGY GROUP CO., TD.
    Inventors: Jiayu He, Ce Ning, Zhengliang Li, Hehe Hu, Jie Huang, Nianqi Yao, Kun Zhao, Xue Liu, Zhi Wang, Feng Guan
  • Patent number: 12272754
    Abstract: A thin film transistor, a manufacturing method thereof, a display substrate, and a display device are provided. The thin film transistor includes: a substrate, an active layer, a gate, a source and a drain. The active layer is arranged on the substrate and formed as a grid, including silicon nanowires extending along a first direction, the active layer includes source and drain regions oppositely arranged along the first direction, and a channel region located therebetween. The gate is arranged on the substrate, and an orthographic projection of the gate onto the substrate overlaps with orthographic projections for silicon nanowires in the channel region onto the substrate. The source and drain are arranged on the substrate, the source contacts silicon nanowires in the source region, and the drain contacts silicon nanowires in the drain region.
    Type: Grant
    Filed: May 18, 2021
    Date of Patent: April 8, 2025
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Jiayu He, Ce Ning, Zhengliang Li, Hehe Hu, Jie Huang, Nianqi Yao, Zhi Wang, Feng Guan