Patents by Inventor Feifei Wang

Feifei Wang 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: 20250140214
    Abstract: A driver circuit includes a logic control component and a plurality of pins coupled to the logic control component. The plurality of pins include a clock pin, a data pin and at least two output pins. The clock pin is configured to receive a clock signal. The data pin is configured to receive, under control of the logic control component, a data signal in a period of an active level of the clock signal. The logic control component is configured to generate a driving control signal corresponding to each output pin according to the data signal, so as to control an electrical signal flowing through the output pin.
    Type: Application
    Filed: January 6, 2025
    Publication date: May 1, 2025
    Inventors: Junwei ZHANG, Wei HAO, Feifei WANG, Wengang SU, Kaimin YIN, Xingce SHANG, Taotao DUAN, Liguang GENG, Huangfei CHA, Yu DENG
  • Publication number: 20250140210
    Abstract: The present disclosure provides a driver circuit, a driving method of the driver circuit, an array substrate and a display device, belonging to the field of display technology. The driver circuit provided by the present disclosure includes a logic control module, a data pin and at least two output pins. The data pin is configured to receive driving data. The logic control module is configured to generate driving control signals in a one-to-one correspondence with the at least two output pins according to the driving data. The driving control signals are configured to control the current flowing through the corresponding output pins.
    Type: Application
    Filed: January 6, 2025
    Publication date: May 1, 2025
    Inventors: Kaimin YIN, Wei HAO, Lingyun SHI, Wenchieh HUANG, Feifei WANG, Wengang SU, Rui SHI, Xingce SHANG, Junwei ZHANG, Taotao DUAN
  • Patent number: 12282219
    Abstract: A liquid crystal display panel includes a first substrate, a second substrate and a liquid crystal layer. The first substrate and the second substrate are disposed opposite to each other, and the liquid crystal layer is located between the first substrate and the second substrate. The first substrate includes a first base, a color filter layer and a first planarization layer. The color filter layer is located on a side of the first base proximate to the liquid crystal layer, and the first planarization layer is located on a side of the color filter layer proximate to the liquid crystal layer and covers the color filter layer. A material of the first planarization layer includes a resin mixture containing polyimide.
    Type: Grant
    Filed: September 15, 2021
    Date of Patent: April 22, 2025
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Bowen Li, Feifei Wang, Lintao Ji, Hongming Zhan, Kaixuan Wang
  • Publication number: 20250087172
    Abstract: A display device and a driving circuit thereof, and a driving method are provided, belonging to the field of display technologies. In the driving circuit, a light emission control sub-circuit may generate a driving signal and output the same from an output pin, so that a light-emitting unit group emits light based on the driving signal and a power supply signal provided by a power supply terminal. An amplification sub-circuit may amplify a reference power source signal provided by a reference power source terminal to have a voltage not less than a voltage of the power supply signal and transmit the amplified reference power source signal to a low-grayscale control sub-circuit. The low-grayscale control sub-circuit may control an on-off between the amplification sub-circuit and the output pin under the control of an enabling control terminal.
    Type: Application
    Filed: November 22, 2022
    Publication date: March 13, 2025
    Inventors: Huangfei CHA, Jinling ZHANG, Lingyun SHI, Feifei WANG, Wengang SU, Kaimin YIN, Zhitao ZHANG, Jiajia GAI, Yiding SUN
  • Publication number: 20250079512
    Abstract: A material composition to prepare a polymer electrolyte precursor composition capable to form a solid polymer electrolyte, which has: A) a comb-branched polymer with pendant functional groups; B)surface-modified silica particles; and C) a polymerizable solvent or a crosslinker; wherein the silica particles are capable to be dispersed in the polymerizable solvent or a non-polymerizable volatile organic solvent and form a colloidal silica dispersion can be made. The material composition can be used in preparation of a solid polymer electrolyte in a lithium ion battery to improve performance, a polymer electrolyte precursor composition, a preparation method of a solid polymer electrolyte, a method to prepare a lithium ion battery, a solid polymer electrolyte, an electrochemical device and a device.
    Type: Application
    Filed: May 25, 2021
    Publication date: March 6, 2025
    Applicant: Evonik Operations GmbH
    Inventors: Feifei Wang, Xiaochuan Xu, Jing Feng, Xiaowei Tian, Minghui Chen, Huiming Xiong, Wei Wei, Donglei You
  • Patent number: 12217715
    Abstract: A driver circuit includes a logic control component and a plurality of pins coupled to the logic control component. The plurality of pins include a clock pin, a data pin and at least two output pins. The clock pin is configured to receive a clock signal. The data pin is configured to receive, under control of the logic control component, a data signal in a period of an active level of the clock signal. The logic control component is configured to generate a driving control signal corresponding to each output pin according to the data signal, so as to control an electrical signal flowing through the output pin.
    Type: Grant
    Filed: November 16, 2021
    Date of Patent: February 4, 2025
    Assignees: BOE MLED Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Junwei Zhang, Wei Hao, Feifei Wang, Wengang Su, Kaimin Yin, Xingce Shang, Taotao Duan, Liguang Geng, Huangfei Cha, Yu Deng
  • Patent number: 12211453
    Abstract: The present disclosure provides a driver circuit, a driving method of the driver circuit, an array substrate and a display device, belonging to the field of display technology. The driver circuit provided by the present disclosure includes a logic control module, a data pin and at least two output pins. The data pin is configured to receive driving data. The logic control module is configured to generate driving control signals in a one-to-one correspondence with the at least two output pins according to the driving data. The driving control signals are configured to control the current flowing through the corresponding output pins.
    Type: Grant
    Filed: June 21, 2021
    Date of Patent: January 28, 2025
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Kaimin Yin, Wei Hao, Lingyun Shi, Wenchieh Huang, Feifei Wang, Wengang Su, Rui Shi, Xingce Shang, Junwei Zhang, Taotao Duan
  • Patent number: 12197085
    Abstract: A liquid crystal display panel includes a first and second base substrates, a liquid crystal layer and an optical compensation layer. In the liquid crystal layer, a first alignment film is configured to anchor a part, proximate to the first alignment film, of second liquid crystal molecules, and a second alignment film is configured to anchor a part, proximate to the second alignment film, of the second liquid crystal molecules. In the optical compensation layer, a third alignment film is configured to anchor first liquid crystal molecules proximate to the third alignment film. A direction of orthogonal projections of long axes of the first liquid crystal molecules is parallel to a direction of orthogonal projections of long axes of second liquid crystal molecules anchored by the first and second alignment films. Rubbing directions of the first alignment film, the second alignment film and the third alignment film are the same.
    Type: Grant
    Filed: May 31, 2023
    Date of Patent: January 14, 2025
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Feifei Wang, Hongming Zhan, Xibin Shao, Lintao Ji, Bowen Li
  • Publication number: 20240404959
    Abstract: The present disclosure relates to the field of display technology, and provides a wiring substrate, an array substrate, and a light emitting module. The wiring substrate includes a base substrate, a first metal wiring layer, and an insulating material layer stacked in sequence. The first metal wiring layer is provided with a plurality of drive leads extending along a first direction, and the insulating material layer is provided with a plurality of via holes exposing the drive leads. Through adjusting positions of the drive leads and positions of the via holes, the wiring substrate can be applied to different microchips, and used further to prepare different array substrates.
    Type: Application
    Filed: August 13, 2024
    Publication date: December 5, 2024
    Applicants: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chunjian LIU, Zouming XU, Feifei WANG, Qin ZENG, Xintao WU, Jian TIAN, Jie LEI, Jie WANG, Yufei ZHAN
  • Patent number: 12159594
    Abstract: A method for generating driving signal is provided. The method includes generating by a first circuit, a first driving signal for a first frame of image, the first driving signal comprising a plurality of first pulse width modulation signals; transmitting the plurality of first pulse width modulation signals to a modulation controller; detecting a vertical synchronization signal; determining whether a most recent first pulse width modulation signal is partially generated when the vertical synchronization signal is detected; and upon determination that the most recent first pulse width modulation signal is partially generated, determining whether to delay generating a second driving signal for a second frame of image.
    Type: Grant
    Filed: November 5, 2021
    Date of Patent: December 3, 2024
    Assignees: BOE MLED Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Wei Hao, Chinghua Hung, Lingyun Shi, Feifei Wang, Wengang Su, Xingce Shang, Kaimin Yin, Junwei Zhang, Taotao Duan
  • Patent number: 12087698
    Abstract: The present disclosure relates to the field of display technology, and provides a wiring substrate, an array substrate, and a light emitting module. The wiring substrate includes a base substrate, a first metal wiring layer, and an insulating material layer stacked in sequence. The first metal wiring layer is provided with a plurality of drive leads extending along a first direction, and the insulating material layer is provided with a plurality of via holes exposing the drive leads. Through adjusting positions of the drive leads and positions of the via holes, the wiring substrate can be applied to different microchips, and used further to prepare different array substrates.
    Type: Grant
    Filed: January 28, 2021
    Date of Patent: September 10, 2024
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Chunjian Liu, Zouming Xu, Feifei Wang, Qin Zeng, Xintao Wu, Jian Tian, Jie Lei, Jie Wang, Yufei Zhan
  • Publication number: 20240288604
    Abstract: The present disclosure provides a circuit and apparatus for generating a signal source for impedance measurement of rock and ore samples, including a smart mobile device; an integrated instrument, where the integrated instrument is connected to the smart mobile device via a wireless network, and a first electrode interface, a second electrode interface, a third electrode interface and a fourth electrode interface are fixedly arranged on the integrated instrument; and a sample rack, where the sample rack includes a first unpolarized electrode, a second unpolarized electrode, a third unpolarized electrode, and a fourth unpolarized electrode, rock and ore samples are placed between the second unpolarized electrode and the third unpolarized electrode, and a first end of the first unpolarized electrode is electrically connected to the first electrode interface by a triaxial cable.
    Type: Application
    Filed: December 27, 2022
    Publication date: August 29, 2024
    Applicant: GIANT SEQUOIA AI TECHNOLOGY (CHANGSHA) LIMITED
    Inventors: Xingsheng CHEN, Rujun CHEN, Xiaojie WANG, Shaoheng CHUN, Shengjie LI, Zihui WANG, Ruijie SHEN, Hongchun YAO, Zhitong LIU, Shenglan HOU, Feifei WANG
  • Publication number: 20240274775
    Abstract: A backplane and a glass-based circuit board. The backplane includes: a base substrate and a plurality of light-emitting units, arranged in an array on the base substrate. Each of the light-emitting units includes at least one light-emitting sub-unit; the light-emitting sub-unit includes a connection line and a plurality of light-emitting diode chips connected with the connection line, and the light-emitting diode chips are located on a side of the connection line away from the base substrate. The connection line includes a first connection portion, a second connection portion and a third connection portion; in each of the light-emitting sub-units, the third connection portion includes a plurality of connection sub-portions, each of the connection sub-portions includes at least one electrical contact point; the electrical contact points at adjacent ends of adjacent connection sub-portions constitute an electrical contact point pair.
    Type: Application
    Filed: April 29, 2024
    Publication date: August 15, 2024
    Inventors: Wengang SU, Wei HAO, Haiwei SUN, Lingyun SHI, Feifei WANG, Rui SHI
  • Publication number: 20240219365
    Abstract: The present disclosure provides a system and method for remotely measuring impedance of rock and ore samples, and relates to the field of measurement of impedance of rock and ore samples. The method includes: establishing, by a wireless communication module, wireless network connection between a smart mobile device and a sample impedance tester; performing, by a parameter setting module in the smart mobile device, parameter acquisition setting and sample photographing, and storing acquired parameters and photos photographed for the samples; and sending, by the smart mobile device, a self-check command to the sample impedance tester to obtain self-check information of the sample impedance tester, and sending, by the smart mobile device, measurement configuration information and an acquisition command to an embedded control system.
    Type: Application
    Filed: December 27, 2022
    Publication date: July 4, 2024
    Applicant: GIANT SEQUOIA AI TECHNOLOGY (CHANGSHA) LIMITED
    Inventors: Xiaojie WANG, Rujun CHEN, Xingsheng CHEN, Shaoheng CHUN, Shengjie LI, Zihui WANG, Hongchun YAO, Ruijie SHEN, Zhitong LIU, Shenglan HOU, Feifei WANG
  • Publication number: 20240221697
    Abstract: A driver circuit includes a logic control component and a plurality of pins coupled to the logic control component. The plurality of pins include a clock pin, a data pin and at least two output pins. The clock pin is configured to receive a clock signal. The data pin is configured to receive, under control of the logic control component, a data signal in a period of an active level of the clock signal. The logic control component is configured to generate a driving control signal corresponding to each output pin according to the data signal, so as to control an electrical signal flowing through the output pin.
    Type: Application
    Filed: November 16, 2021
    Publication date: July 4, 2024
    Inventors: Junwei ZHANG, Feifei WANG, Wei HAO, Wengang SU, Kaimin YIN, Xingce SHANG, Taotao DUAN, Liguang GENG, Huangfei CHA, Yu DENG
  • Publication number: 20240192543
    Abstract: A liquid crystal display panel includes a first substrate, a second substrate and a liquid crystal layer. The first substrate and the second substrate are disposed opposite to each other, and the liquid crystal layer is located between the first substrate and the second substrate. The first substrate includes a first base, a color filter layer and a first planarization layer. The color filter layer is located on a side of the first base proximate to the liquid crystal layer, and the first planarization layer is located on a side of the color filter layer proximate to the liquid crystal layer and covers the color filter layer. A material of the first planarization layer includes a resin mixture containing polyimide.
    Type: Application
    Filed: September 15, 2021
    Publication date: June 13, 2024
    Applicants: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Bowen LI, Feifei WANG, Lintao JI, Hongming ZHAN, Kaixuan WANG
  • Publication number: 20240185805
    Abstract: A method for generating driving signal is provided. The method includes generating by a first circuit, a first driving signal for a first frame of image, the first driving signal comprising a plurality of first pulse width modulation signals; transmitting the plurality of first pulse width modulation signals to a modulation controller; detecting a vertical synchronization signal; determining whether a most recent first pulse width modulation signal is partially generated when the vertical synchronization signal is detected; and upon determination that the most recent first pulse width modulation signal is partially generated, determining whether to delay generating a second driving signal for a second frame of image.
    Type: Application
    Filed: November 5, 2021
    Publication date: June 6, 2024
    Applicants: BOE MLED Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Wei Hao, Chinghua Hung, Lingyun Shi, Feifei Wang, Wengang Su, Xingce Shang, Kaimin Yin, Junwei Zhang, Taotao Duan
  • Patent number: 12002916
    Abstract: A backplane and a glass-based circuit board. The backplane includes: a base substrate and a plurality of light-emitting units, arranged in an array on the base substrate. Each of the light-emitting units includes at least one light-emitting sub-unit; the light-emitting sub-unit includes a connection line and a plurality of light-emitting diode chips connected with the connection line, and the light-emitting diode chips are located on a side of the connection line away from the base substrate. The connection line comprises a first connection portion, a second connection portion and a third connection portion; in each of the light-emitting sub-units, the third connection portion comprises a plurality of connection sub-portions, each of the connection sub-portions comprise at least one electrical contact point; the electrical contact points at adjacent ends of adjacent connection sub-portions constitute an electrical contact point pair.
    Type: Grant
    Filed: September 8, 2022
    Date of Patent: June 4, 2024
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wengang Su, Wei Hao, Haiwei Sun, Lingyun Shi, Feifei Wang, Rui Shi
  • Patent number: D1032208
    Type: Grant
    Filed: January 4, 2024
    Date of Patent: June 25, 2024
    Inventor: Feifei Wang
  • Patent number: D1033916
    Type: Grant
    Filed: January 4, 2024
    Date of Patent: July 9, 2024
    Inventor: Feifei Wang