Patents by Inventor Huifeng Wang

Huifeng 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: 20210228737
    Abstract: Provided herein are biocompatible polymers having a polymer backbone and one or more repeating units, and methods of making and using the same. The repeating units can each be individually selected from a zwitterionic precursor repeating unit of Formula (I). Also provided are systems for nucleic acid delivery including the biocompatible polymers, the systems having a cationic core and a polysaccharide-anionic peptide conjugate adsorbed to the cationic core.
    Type: Application
    Filed: June 6, 2019
    Publication date: July 29, 2021
    Inventors: Gang Cheng, Huifeng Wang
  • Publication number: 20210226158
    Abstract: An OLED display panel, a manufacturing method thereof and a display device are provided. The OLED display panel includes an OLED display substrate and an encapsulation layer for encapsulating the OLED display substrate. The OLED display substrate includes a flexible base substrate, and a TFT layer, a planarization layer and an OLED element layer arranged sequentially on the flexible base substrate. At least one layer of the encapsulation layer, and at least one of the flexible base substrate or the planarization layer, are polymer material layers each doped with flexible nano-composite glass fibers.
    Type: Application
    Filed: January 11, 2018
    Publication date: July 22, 2021
    Applicants: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Wenbin JIA, Yikun DOU, Huifeng WANG, Li SUN
  • Publication number: 20210163657
    Abstract: Provided herein are polymers having a polymer backbone including a zwitterionic precursor monomeric unit having a secondary or tertiary amine in the polymer backbone, as well as methods of making and using the same.
    Type: Application
    Filed: April 19, 2019
    Publication date: June 3, 2021
    Inventors: Gang Cheng, Huifeng Wang
  • Patent number: 10971551
    Abstract: An organic light-emitting diode display panel and a manufacturing method therefor, and a display apparatus are provided. The organic light-emitting diode display panel comprises: a base substrate; an anode and an auxiliary electrode arranged on the base substrate, wherein the anode and the auxiliary electrode are insulated from each other, a pixel definition layer arranged on the anode and the auxiliary electrode, wherein the pixel definition layer has a pixel opening region exposing the anode and a via exposing the auxiliary electrode; and the luminescent layer and a cathode sequentially arranged on the pixel definition layer, wherein the cathode is electrically connected to the auxiliary electrode arranged in the via.
    Type: Grant
    Filed: January 31, 2018
    Date of Patent: April 6, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Huifeng Wang
  • Patent number: 10926366
    Abstract: A two degree-of-freedom nano positioning stage with a parallel flexure hinge mechanism includes two driving systems respectively arranged along an X axis and a Y axis, a moving stage, a parallel flexure hinge mechanism and a base frame, wherein each of the driving systems includes a piezo actuator, a connecting block, a lever, a preloading spring, a push rod and a plurality of connecting hinges; the piezo actuator is fixed on the base frame at one end and connected with the connecting block at the other end; the lever is connected between the connecting block and the preloading spring, the connecting block is connected with the lever through one of the connecting hinges; the preloading spring is fixed on the base frame at one end and connected with the lever at the other end, and the lever is connected with the base frame through another one of the connecting hinges.
    Type: Grant
    Filed: May 3, 2019
    Date of Patent: February 23, 2021
    Inventors: Ying Xu, Jing Jia, Huifeng Wang
  • Publication number: 20210049744
    Abstract: A method for image dehazing based on adaptively improved linear global atmospheric light of a dark channel. A haze image in haze weather is first obtained, a variation angle of atmospheric light of the image is obtain through calculating a slope of a connection line between a center and a center of gravity of a binary image of the image, a linear atmospheric light map that varies regularly along a variation direction of the atmospheric light is obtains, a dehazed image is solved through an atmospheric scattering model, and then a processed haze image taken in the haze weather is output.
    Type: Application
    Filed: December 29, 2018
    Publication date: February 18, 2021
    Inventors: He Huang, Jing Song, Lu GUO, Guiping WANG, Xinrui LI, Huifeng WANG, Zhe XU, Bo CUI, Ying HUANG, Xiaobin HUI
  • Publication number: 20210005835
    Abstract: The present disclosure relates to an organic electroluminescent display panel, a method of manufacturing the same, and a display device that can alleviate or avoid the occurrence of pixel crosstalk problems due to lateral conduction of the charge generation layer.
    Type: Application
    Filed: February 2, 2018
    Publication date: January 7, 2021
    Inventors: Huifeng WANG, Wang ZHANG, Jingang FANG
  • Publication number: 20200358037
    Abstract: The present disclosure provides a condensing plate. The condensing plate comprises a body. The body comprises a first face and a second face opposite to the first face. The first face is provided with a condensing part and a solvent storage structure. The solvent storage structure is configured to store a solvent and release, along a direction away from the second face, gas formed by the solvent after evaporation.
    Type: Application
    Filed: April 27, 2018
    Publication date: November 12, 2020
    Inventor: Huifeng WANG
  • Patent number: 10772820
    Abstract: Disclosed is a composition for cleansing a keratin material, comprising, in an aqueous phase: a) at least one amino acid surfactant; b) calcium alginate, wherein the weight ration (a/b) of a) amino acid surfactant and b) calcium alginate is from 0.7 to 6.
    Type: Grant
    Filed: July 22, 2015
    Date of Patent: September 15, 2020
    Assignee: L'OREAL
    Inventor: Huifeng Wang
  • Patent number: 10756151
    Abstract: A method of fabricating a substrate includes forming a planarization layer, and forming the planarization layer includes: forming a first planarization sub-layer on a base substrate on which a patterned film layer has been formed. A surface of the first planarization sub-layer facing away from the base substrate has a plurality of depressed portions. Forming the planarization layer further includes: forming a second planarization sub-layer at multiple depressed portions of the plurality of the depressed portions to obtain the planarization layer including the first planarization sub-layer and the second planarization sub-layer. A flatness of a surface of the planarization layer is higher than a flatness of the surface of the first planarization sub-layer.
    Type: Grant
    Filed: October 1, 2018
    Date of Patent: August 25, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Wenbin Jia, Huifeng Wang, Chinlung Liao, Feifei Zhu, Xiang Wan
  • Publication number: 20200206859
    Abstract: A two degree-of-freedom nano positioning stage with a parallel flexure hinge mechanism includes two driving systems respectively arranged along an X axis and a Y axis, a moving stage, a parallel flexure hinge mechanism and a base frame, wherein each of the driving systems includes a piezo actuator, a connecting block, a lever, a preloading spring, a push rod and a plurality of connecting hinges; the piezo actuator is fixed on the base frame at one end and connected with the connecting block at the other end; the lever is connected between the connecting block and the preloading spring, the connecting block is connected with the lever through one of the connecting hinges; the preloading spring is fixed on the base frame at one end and connected with the lever at the other end, and the lever is connected with the base frame through another one of the connecting hinges.
    Type: Application
    Filed: May 3, 2019
    Publication date: July 2, 2020
    Inventors: Ying XU, Jing JIA, Huifeng WANG
  • Patent number: 10665641
    Abstract: A color filter (CF) substrate, a manufacturing method thereof, a display panel and a display device are disclosed. The CF substrate includes a plurality of sub-pixels, each of the plurality of sub-pixels including a CF layer, the CF layer being configured to allow light passing through the sub-pixel to display one color, and a barrier being disposed between at least two adjacent sub-pixels of different colors, and the barrier continuously extending between the sub-pixels separated by the barrier. The CF substrate can reduce influence on chromaticity of adjacent sub-pixels caused by light leakage.
    Type: Grant
    Filed: December 12, 2017
    Date of Patent: May 26, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Huifeng Wang
  • Patent number: 10541285
    Abstract: The present disclosure relates to a pixel isolation bank and a method of manufacturing the same. A pixel isolation bank, comprising a first lyophobic layer located at a predetermined height of the pixel isolation bank.
    Type: Grant
    Filed: May 30, 2018
    Date of Patent: January 21, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Huifeng Wang, Jing Gan
  • Patent number: 10497764
    Abstract: A substrate, a method of preparing the substrate and a display device are provided. The substrate includes: a base substrate; a pixel defining layer on the base substrate, the pixel defining layer defining a plurality of opening regions arranged in an array, each of the plurality of opening regions having a plurality of sidewalls; and a barrier structure attached to at least one sidewall of at least one opening region. A distance from an upper surface of the barrier structure to the base substrate is less than a distance from an upper surface of the pixel defining layer to the base substrate, and at least a part of surfaces of the barrier structure are lyophobic.
    Type: Grant
    Filed: May 9, 2018
    Date of Patent: December 3, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Huifeng Wang, Jing Gan
  • Patent number: 10485749
    Abstract: A composition for treating a keratin material, comprising at least one amino acid surfactant, at least one amphoteric or zwitterionic surfactant, at least one solid fatty acid, at least one starch phosphates, and at least one acrylic thickening polymer. The composition has an improved rinsing speed after application, and is stable over 2 months, with an improved foaming properties, such as density of foam, and foaming volume.
    Type: Grant
    Filed: December 10, 2015
    Date of Patent: November 26, 2019
    Assignee: L'OREAL
    Inventors: Huifeng Wang, Yuchao Chen
  • Patent number: 10490606
    Abstract: This disclosure provides a display substrate, a display panel, and a method for fabricating the display substrate. The display substrate includes: an underlying substrate; a plurality of sub-pixel areas arranged in an array on a surface of the underlying substrate; and an isolating layer arranged on the surface of the underlying substrate, wherein the isolating layer includes a surrounding dam arranged on a periphery of the plurality of sub-pixel areas, and a plurality of separating dams arranged in parallel on an inner side of the surrounding dam, end portions of the separating dams are spaced from the surrounding dam, and the plurality of sub-pixel areas are separated by the separating dams into a plurality of channels.
    Type: Grant
    Filed: September 20, 2017
    Date of Patent: November 26, 2019
    Assignee: BOE Technology Group Co., Ltd.
    Inventor: Huifeng Wang
  • Patent number: 10446622
    Abstract: There are provided an OLED pixel defining structure, a manufacturing method thereof and an array substrate. The OLED pixel defining structure includes a pixel defining layer, with a plurality of openings corresponding to sub-pixels of different colors being included in the pixel defining layer, each of the openings forming a sub-pixel defining zone of a corresponding color, wherein at least two sub-pixel defining zones of the same color are intercommunicated.
    Type: Grant
    Filed: November 19, 2013
    Date of Patent: October 15, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Huifeng Wang, Ze Liu
  • Publication number: 20190280049
    Abstract: A color filter (CF) substrate, a manufacturing method thereof, a display panel and a display device are disclosed. The CF substrate includes a plurality of sub-pixels, each of the plurality of sub-pixels including a CF layer, the CF layer being configured to allow light passing through the sub-pixel to display one color, and a barrier being disposed between at least two adjacent sub-pixels of different colors, and the barrier continuously extending between the sub-pixels separated by the barrier. The CF substrate can reduce influence on chromaticity of adjacent sub-pixels caused by light leakage.
    Type: Application
    Filed: December 12, 2017
    Publication date: September 12, 2019
    Inventor: Huifeng WANG
  • Patent number: 10388709
    Abstract: A pixel defining layer and a production method thereof, a display panel and a production method thereof, and a display apparatus are all provided. The pixel defining layer has a first lyophilic layer, a first lyophobic layer on the first lyophilic layer, a second lyophilic layer on the first lyophobic layer, and a second lyophobic layer on the second lyophilic layer.
    Type: Grant
    Filed: May 23, 2018
    Date of Patent: August 20, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Wenbin Jia, HuiFeng Wang, Xiang Wan, Changjun Jiang, Li Sun
  • Publication number: 20190229152
    Abstract: An organic light-emitting diode display panel and a manufacturing method therefor, and a display apparatus are provided. The orange light-emitting diode display panel comprises: a base substrate; an anode and an auxiliary electrode arranged on the base substrate, wherein the anode and the auxiliary electrode are insulated from each other, a pixel definition layer arranged on the anode and the auxiliary electrode, wherein the pixel definition layer has a pixel opening region exposing the anode and a via exposing the auxiliary electrode; and the luminescent layer and a cathode sequentially arranged on the pixel definition layer, wherein the cathode is electrically connected to the auxiliary electrode arranged in the via.
    Type: Application
    Filed: January 31, 2018
    Publication date: July 25, 2019
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Huifeng WANG