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: 20220413337
    Abstract: A liquid crystal display panel (100) comprises a first polarizer (110) and a second polarizer (170), a first liquid crystal layer (130) disposed between the first polarizer (110) and the second polarizer (170), and an optical compensation layer (140) disposed between the first liquid crystal layer (130) and one of the first polarizer (110) and the second polarizer (170). A transmission axis of the first polarizer (110) is perpendicular to a transmission axis of the second polarizer (170). The first liquid crystal layer (130) includes first liquid crystal molecules (130?).
    Type: Application
    Filed: June 15, 2021
    Publication date: December 29, 2022
    Applicants: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Feifei WANG, Lintao JI, Bowen LI, Hongming ZHAN, Kaixuan WANG, Xibin SHAO
  • Patent number: 11499056
    Abstract: The present application discloses a display substrate. The display substrate includes a base substrate; a color filter on the base substrate and including a plurality of color filter blocks; and an actuator configured to actuate each of the plurality of color filter blocks thereby controlling a wavelength of light transmitted through each of the plurality of color filter blocks.
    Type: Grant
    Filed: January 9, 2018
    Date of Patent: November 15, 2022
    Assignees: Beijing BOE Technology Development Co., Ltd., Beijing BOE Display Technology Co., Ltd.
    Inventors: Feifei Wang, Ping Song, Deqiang Liu, Hebin Zhao, Hongming Zhan, Xibin Shao
  • Patent number: 11469359
    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 (110) includes at least one light-emitting sub-unit; the light-emitting sub-unit includes a connection line (200) 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 light-emitting diode chips (300) in the at least one light-emitting sub-unit are connected in series.
    Type: Grant
    Filed: September 30, 2019
    Date of Patent: October 11, 2022
    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
  • Publication number: 20220319452
    Abstract: A light emitting substrate, a method of driving a light emitting substrate, and a display device are provided. The light emitting substrate includes a plurality of light emitting units arranged in an array. Each light emitting unit includes a driving circuit, a plurality of light emitting elements, and a driving voltage terminal. The plurality of light emitting elements are sequentially connected in series and connected between the driving voltage terminal and the output terminal of the driving circuit. The driving circuit is configured to output a relay signal through the output terminal in a first period according to a first input signal received by the first input terminal and a second input signal received by the second input terminal, and supply a driving signal to the plurality of light emitting elements sequentially connected in series through the output terminal in a second period.
    Type: Application
    Filed: March 17, 2020
    Publication date: October 6, 2022
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Ming Yang, Wei Hao, Feifei Wang, Minghua Xuan, Zhenyu Zhang, Xiaochuan Chen, Lingyun Shi
  • Publication number: 20220276536
    Abstract: Embodiments of the present disclosure provide a liquid crystal display panel and a display device. The panel comprises a first and second polarizers, a liquid crystal layer, a first and second optical compensation films. The liquid crystal layer is disposed between the opposite first and second polarizers; the first optical compensation film is located between the first polarizer and the liquid crystal layer, and an optical axis of the first optical compensation film is parallel to a plane where the first optical compensation film is in; and the second optical compensation film is located between the first and second polarizers, an optical axis of the second optical compensation film is parallel to a plane where the second optical compensation film is in and perpendicular to the optical axis of the first optical compensation film, and in-plane retardations of the first and second optical compensation films are equal.
    Type: Application
    Filed: September 9, 2021
    Publication date: September 1, 2022
    Applicants: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lintao JI, Feifei WANG, Kaixuan WANG, Bowen LI, Xinli MA, Jiao LI
  • Patent number: 11424519
    Abstract: A current interrupt apparatus and a flipping member thereof, a battery cover plate assembly, a cell, a battery module, a power battery, and an electric vehicle are provided. The flipping member is to be electrically connected to a score member, and can act under an effect of air pressure to break a score on the score member so as to cut off the electrical connection to the score member. A first connection region to be electrically connected to the score member and a second connection region to be electrically connected to an outer electrode terminal of a battery are formed on the flipping member. A deformation cushion region is further formed on the flipping member. The deformation cushion region is disposed between the first connection region and the second connection region and around the first connection region.
    Type: Grant
    Filed: December 13, 2018
    Date of Patent: August 23, 2022
    Assignee: BYD COMPANY LIMITED
    Inventors: Luxia Jiang, Feifei Wang, Daoyi Tang, Jiangtao Zhou, Jianhua Zhu
  • Publication number: 20220260878
    Abstract: Provided are a display panel and a method for preparing same, and a display apparatus. The display panel includes an array substrate and an opposite substrate, which are oppositely arranged, and a liquid crystal layer, which is arranged between the array substrate and the opposite substrate, wherein a compensation layer is arranged on the array substrate or the opposite substrate, and an included angle between an optical axis direction of the compensation layer and an initial optical axis direction of liquid crystal molecules in the liquid crystal layer is less than or equal to 10 degrees; dispersion characteristics of the liquid crystal layer and the compensation layer are the opposite of each other.
    Type: Application
    Filed: April 26, 2021
    Publication date: August 18, 2022
    Inventors: Feifei WANG, Hongming ZHAN, Xibin SHAO, Lintao JI
  • Publication number: 20220252942
    Abstract: A display panel, including an array substrate and an opposite substrate that are arranged opposite to each other, and a liquid crystal layer. A color filter layer and a compensation layer are provided on the array substrate or the opposite substrate; the color filter layer includes n color filter units that are periodically arranged; the compensation layer includes n compensation units; and the ith compensation unit is configured to enable the sum of the phase retardation of the light of an ith color passing through the ith compensation unit and the phase retardation of the light of the ith color passing through the liquid crystal layer is an integer multiple of the wavelength of the light of the ith color. Further disclosed are a display apparatus including the display panel, and a manufacturing method for the display panel.
    Type: Application
    Filed: March 8, 2021
    Publication date: August 11, 2022
    Inventors: Feifei WANG, Hongming ZHAN, Xibin SHAO
  • Patent number: 11357083
    Abstract: A light-emitting substrate and a method of driving the same, a light-emitting module, and a display apparatus are provided. The light-emitting substrate has a plurality of light-emitting areas. The light-emitting substrate includes: a base, a plurality of light-emitting components, a plurality of first power supply voltage signal lines, and a plurality of first control circuits. The plurality of light-emitting components are disposed on the base. The plurality of first power supply voltage signal lines are disposed on the base and arranged at intervals. The plurality of first control circuits are disposed on the base. One light-emitting component is located in one light-emitting area. Each of the first control circuits is coupled to a first electrode of one light-emitting component, and each of first power supply voltage signal lines is coupled to at least two first control circuits.
    Type: Grant
    Filed: March 5, 2020
    Date of Patent: June 7, 2022
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wei Hao, Feifei Wang, Wengang Su, Rui Shi, Lingyun Shi, Haiwei Sun, Ming Chen, Xue Dong
  • Patent number: 11326101
    Abstract: A liquid crystal panel and a manufacture method thereof, a liquid crystal display device are disclosed. The manufacture method of a liquid crystal panel includes: providing a first substrate, a second substrate and a liquid crystal layer between the first substrate and the second substrate, wherein the liquid crystal layer includes a liquid crystal material and photopolymerizable monomers; and exposing the liquid crystal layer to allow the photopolymerizable monomers to be polymerized at a position of exposing to form a columnar spacer.
    Type: Grant
    Filed: November 17, 2017
    Date of Patent: May 10, 2022
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Xibin Shao, Feifei Wang, Hongming Zhan, Ping Song, Deqiang Liu
  • Patent number: 11307684
    Abstract: A touch array substrate, a display panel and a display device are provided. The touch array substrate includes a plurality of first electrodes disposed in a row direction and a column direction to form a plurality of electrode rows and a plurality of electrode columns. An edge of the plurality of first electrodes in the column direction includes a convex shape and a concave shape, the convex shape of an edge of one of two adjacent ones of the plurality of electrode columns extends into the concave shape of an edge of the other of the two adjacent ones of the plurality of electrode columns. The touch array substrate can avoid deficiencies such as a vertical line and the like in a macroscopic manner.
    Type: Grant
    Filed: September 5, 2018
    Date of Patent: April 19, 2022
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ruichen Zhang, Kaixuan Wang, Xiaoqing Peng, Dong Liang, Feifei Wang, Wenjun Xiao, Xingyou Luo
  • Publication number: 20220117059
    Abstract: A method of controlling a driving circuit applicable to a light-emitting substrate which includes a light-emitting assembly including a plurality of light-emitting-element strings connected in parallel, each of the plurality of light-emitting strings comprising a plurality of light-emitting-elements connected in series, the driving circuit connected to the plurality of light-emitting-element strings via a wiring, wherein the method comprises: obtaining a wiring IR drop, a light-emitting element string IR drop, a voltage deviation, and a channel IR drop; obtaining a target power supply voltage according to the wiring IR drop. the light-emitting element string IR drop, the voltage deviation, and the channel IR drop; comparing the target power supply voltage with an output voltage to obtain a comparison result; generating an adjustment signal according to the comparison result; and adjusting the output voltage according to the adjustment signal.
    Type: Application
    Filed: June 30, 2021
    Publication date: April 14, 2022
    Inventors: Wei HAO, Lingyun SHI, Wenchieh HUANG, Feifei WANG, Wengang SU, Rui SHI, Xingce SHANG, Junwei ZHANG, Kaimin YIN, Qibing GU, Lili JIA, Xiurong WANG
  • Publication number: 20220053615
    Abstract: A light-emitting substrate and a method of driving the same, a light-emitting module, and a display apparatus are provided. The light-emitting substrate has a plurality of light-emitting areas. The light-emitting substrate includes: a base, a plurality of light-emitting components, a plurality of first power supply voltage signal lines, and a plurality of first control circuits. The plurality of light-emitting components are disposed on the base. The plurality of first power supply voltage signal lines are disposed on the base and arranged at intervals. The plurality of first control circuits are disposed on the base. One light-emitting component is located in one light-emitting area.
    Type: Application
    Filed: March 5, 2020
    Publication date: February 17, 2022
    Inventors: Wei Hao, Feifei Wang, Wengang Su, Rui Shi, Lingyun Shi, Haiwei Sun, Ming Chen, Xue Dong
  • Publication number: 20220050338
    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 make a part of second liquid crystal molecules proximate to the first alignment film have a first pretilt angle, a second alignment film is configured to make a part of second liquid crystal molecules proximate to the second alignment film have a second pretilt angle. In the optical compensation layer, a third alignment film is configured to make first liquid crystal molecules proximate to the third alignment film have a third pretilt angle. A direction of orthogonal projections of long axes of the first liquid crystal molecules is parallel to or perpendicular to a direction of orthogonal projections of long axes of second liquid crystal molecules anchored by the first alignment film and the second alignment film.
    Type: Application
    Filed: January 5, 2021
    Publication date: February 17, 2022
    Inventors: Feifei WANG, Hongming ZHAN, Xibin SHAO, Lintao JI, Bowen LI
  • Publication number: 20220005990
    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 (110) includes at least one light-emitting sub-unit; the light-emitting sub-unit includes a connection line (200) 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 light-emitting diode chips (300) in the at least one light-emitting sub-unit are connected in series.
    Type: Application
    Filed: September 30, 2019
    Publication date: January 6, 2022
    Inventors: Wengang SU, Haiwei SUN, Lingyun SHI, Wei HAO, Feifei WANG, Rui SHI
  • Publication number: 20210404079
    Abstract: The present disclosure provides a manufacture method of a mask for evaporation and a mask. The manufacture method of a mask for evaporation includes: providing an open mask the open mask including at least one open region (BB); forming a photoresist layer at least in the at least one open region, at least a portion of a pattern of the photoresist layer in the open region (BB) being identical to a hollow portion pattern of the mask for evaporation; and depositing a material of the mask for evaporation in a region in which the photoresist layer is formed, so as to form the non-hollow portion pattern of the mask for evaporation, in which the non-hollow portion pattern is connected to a side wall of the open region at an edge of the non-hollow portion pattern.
    Type: Application
    Filed: March 6, 2019
    Publication date: December 30, 2021
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Zhihui Xiao, Yuanzheng Guo, Feifei Wang
  • Publication number: 20210382357
    Abstract: A composite liquid crystal layer, a method for fabricating the same, a display panel, and a display device are disclosed. The method includes coating a polymer liquid crystal composite system on a substrate, the polymer liquid crystal composite system including a photosensitive group that includes self-assembling material, and a liquid crystal polymer material, photo-aligning the polymer liquid crystal composite system, so that the photosensitive group containing self-assembling material is formed into an oriented structure, and the liquid crystal polymer material is aligned under the action of the oriented structure, and curing the aligned liquid crystal polymer material, to form a polymer liquid crystal layer with a specified alignment structure. The polymer liquid crystal layer with a specified alignment structure is formed by photo-aligning and curing after coating is performed for one time, which simplifies the process and greatly improves production efficiency.
    Type: Application
    Filed: October 24, 2018
    Publication date: December 9, 2021
    Inventors: Xibin SHAO, Hongming ZHAN, Feifei WANG, Dongchuan CHEN
  • Patent number: D952045
    Type: Grant
    Filed: September 7, 2020
    Date of Patent: May 17, 2022
    Inventor: Feifei Wang
  • Patent number: D960658
    Type: Grant
    Filed: December 30, 2020
    Date of Patent: August 16, 2022
    Assignee: Factory Enova LLC.
    Inventors: Seth Imo Inyang, Vinh Lieu, Feifei Wang
  • Patent number: D973429
    Type: Grant
    Filed: February 5, 2021
    Date of Patent: December 27, 2022
    Assignee: Factory Enova, LLC
    Inventors: Seth Imo Inyang, Vinh Lieu, Feifei Wang