Patents by Inventor Youyuan HU

Youyuan HU 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).

  • Patent number: 12258703
    Abstract: The present disclosure provides a preparation method of a plasma-treated nanofiber-based hydrogen gas sensing material, including the following steps: (1) stirring a mixed solution of absolute ethanol, polyvinyl pyrrolidone (PVP), N,N-dimethylformamide, SnCl2·H2O, and Zn(CH3COO)2·2H2O uniformly on a constant-temperature magnetic stirrer to obtain a spinning solution; (2) electrospinning the spinning solution and depositing on an aluminum foil to obtain a spinning fiber; (3) annealing the spinning fiber in a muffle furnace to obtain a hydrogen gas sensing material sample; and (4) subjecting the hydrogen gas sensing material sample to a vacuum argon plasma treatment with a Hall ion source to obtain the nanofiber-based hydrogen gas sensing material. In the method, nanofibers are prepared by electrospinning and subjected to the vacuum argon plasma treatment through the Hall ion source.
    Type: Grant
    Filed: December 24, 2020
    Date of Patent: March 25, 2025
    Assignee: CHONGQING UNIVERSITY
    Inventors: Feipeng Wang, Kelin Hu, Zijia Shen, Hongcheng Liu, Jianglin Xiong, Jian Li, Youyuan Wang, Weigen Chen, Lin Du, Kaizheng Wang, Qi Zhao
  • Patent number: 12206105
    Abstract: Disclosed is a positive electrode material for a high-power lithium ion battery. The positive electrode material is in form of secondary particles with a hollow microsphere structure, and a shell of the secondary particles is formed by aggregating a plurality of primary particles. The secondary particles have a uniform particle size, a loose and porous surface, and a large specific surface area. The obtained particles are regular in shape, stable in material structure, so that the positive electrode material has high rate performance and excellent cycle performance.
    Type: Grant
    Filed: May 12, 2020
    Date of Patent: January 21, 2025
    Assignees: Minmetals New Energy Materials(Hunan) Co., Ltd., JINCHI ENERGY MATERIALS CO., LTD.
    Inventors: Xin Guo, Haishi Hu, Zhibing Hu, Chenghuan Huang, Haiyan Zhang, Youyuan Zhou
  • Patent number: 11917851
    Abstract: Provided is a packaging structure for packaging a display device, the packaging structure comprising: at least one composite film layer, wherein the composite film layer comprises an inorganic pattern and an organic pattern, the inorganic pattern comprises a plurality of curved structures arranged at intervals, the organic pattern comprises a first organic sub-pattern, and the first organic sub-pattern and the inorganic pattern are located in a same layer and are complementary in position; and wherein an orthographic projection of the composite film layer onto the display device at least covers a display area of the display device. A display substrate, a display apparatus, and a method for packaging a display device are also provided.
    Type: Grant
    Filed: March 10, 2020
    Date of Patent: February 27, 2024
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Youyuan Hu, Mengyu Luan, Xinfeng Wu, Bowen Liu, Xinzhu Wang, Fei Li, Huihui Li
  • Patent number: 11563064
    Abstract: The present disclosure relates to an array substrate, a display device, and a method for fabricating an array substrate. The array substrate includes a pixel defining layer on the dielectric layer, the pixel defining layer defining a plurality of pixel regions of the array substrate, and light emitting device on the dielectric layer and in the plurality of pixel regions. The device includes a first electrode, a light emitting layer, and a second electrode sequentially disposed from bottom to top. At least one of the plurality of pixel regions has a non-light emitting region adjacent to the pixel defining layer. The dielectric layer in the non-light emitting region has a groove. The array substrate further includes a light shielding portion located in the non-light emitting region and extending into the groove.
    Type: Grant
    Filed: September 5, 2018
    Date of Patent: January 24, 2023
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Youyuan Hu, Xinzhu Wang, Xinfeng Wu, Mengyu Luan, Fei Li, Huihui Li
  • Patent number: 11417797
    Abstract: Provided is a micro-LED device, comprising: a light emitting unit comprising a light emitting layer having a first end surface, a second end surface opposite to the first end surface, and a lateral surface between the first end surface and the second end surface; a P-type semiconductor layer on the first end surface; and an N-type semiconductor layer on the second end surface; a transparent insulating layer covering at least the lateral surface of the light emitting layer; and a reflecting layer on a side of the transparent insulating layer away from the light emitting unit, wherein the transparent insulating layer insulates the light emitting unit from the reflecting layer, and the reflecting layer covers at least the lateral surface of the light emitting layer.
    Type: Grant
    Filed: June 16, 2020
    Date of Patent: August 16, 2022
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xinfeng Wu, Fei Li, Huihui Li, Xinzhu Wang, Youyuan Hu, Jinxia Hu, Xiaotian Zhang
  • Patent number: 11296149
    Abstract: A display substrate having an array of a plurality of subpixels is provided. The display substrate includes a base substrate; a pixel driving layer including a plurality of thin film transistors on the base substrate; a tuning layer on a side of the pixel driving layer away from the base substrate, thicknesses of the tuning layer being different in subpixels of different colors; and a plurality of organic light emitting diodes on a side of the tuning layer away from the pixel driving layer. A respective one of the plurality of organic light emitting diodes includes a hole injection layer, thicknesses of the hole injection layer being different in subpixels of different colors. The thicknesses of the tuning layer and the thicknesses of the hole injection layer are negatively correlated among the subpixels of different colors.
    Type: Grant
    Filed: February 27, 2019
    Date of Patent: April 5, 2022
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Youyuan Hu, Mengyu Luan
  • Patent number: 11251242
    Abstract: An array substrate is disclosed. The array substrate may include a base substrate (21), a pixel defining layer (22) on the base substrate (21), and a charge generating layer (24) above the pixel defining layer (22). The pixel defining layer (22) may define a plurality of pixel regions. The pixel defining layer (22) may include a plurality of acoustic structures (220), and each of the plurality of acoustic structures (220) may be configured to resonate under an action of an acoustic wave of a threshold frequency to form a slit to disconnect the charge generating layer (24) of two adjacent pixel regions of the plurality of pixel regions.
    Type: Grant
    Filed: August 3, 2018
    Date of Patent: February 15, 2022
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD, BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Fei Li, Youyuan Hu, Mengyu Luan, Xinfeng Wu, Xinzhu Wang, Huihui Li
  • Patent number: 11217181
    Abstract: The present application provides a pixel compensation circuit, a method for driving the same, and a display apparatus. The pixel compensation circuit includes a light emitting element, a current control sub-circuit and a reverse bias sub-circuit. The current control sub-circuit is coupled to a first terminal of the light emitting element and is configured to control current flowing between a first terminal and a second terminal of the light emitting element. The reverse bias sub-circuit is coupled to a first control signal line and a second terminal of the light emitting element respectively. The reverse bias sub-circuit is configured to set the second terminal of the light emitting element to be at a first bias voltage under the control of a signal on the first control signal line, so that the light emitting element is maintained in a reverse bias state.
    Type: Grant
    Filed: November 21, 2017
    Date of Patent: January 4, 2022
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Mengyu Luan, Xuehuan Feng, Xinfeng Wu, Youyuan Hu, Fei Li, Xinzhu Wang, Huihui Li, Qi Hu
  • Patent number: 11200832
    Abstract: A pixel circuit is provided. A first terminal and a second terminal of a light-emitting sub-circuit are coupled to a first power supply terminal and a compensation sub-circuit respectively. A short-circuiting sub-circuit is coupled to the first terminal and the second terminal of, and short-circuits under control of a short-circuiting control terminal, the light-emitting sub-circuit. The compensation sub-circuit is coupled to a data voltage terminal, a reference voltage terminal, and a first electrode and a gate electrode of a driving transistor. The light-emitting sub-circuit emits a light of brightness in a level corresponding to a current flowing therethrough. The compensation sub-circuit loads, based on the data voltage terminal and the reference voltage terminal, a driving voltage related to a threshold voltage of the driving transistor onto the gate electrode of the driving transistor, such that a current flowing through the driving transistor is not influenced by its threshold voltage.
    Type: Grant
    Filed: May 24, 2018
    Date of Patent: December 14, 2021
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Mengyu Luan, Xinfeng Wu, Youyuan Hu, Xinzhu Wang, Fei Li, Huihui Li, Chengpeng Zhao, Bo Mao, Kai Yang, Zhongsheng Qi, Jie Liu
  • Patent number: 11183664
    Abstract: A sealing structure, a sealing method, an electronic device and a sealing layer recycling method are provided. The sealing structure is configured for sealing a functional device and includes a sealing layer and a stripping adhesive layer. The sealing layer covers the functional device; the stripping adhesive layer is bonded between the sealing layer and the functional device, and the stripping adhesive layer has a changeable stickiness to assist stripping off of the sealing layer.
    Type: Grant
    Filed: October 17, 2018
    Date of Patent: November 23, 2021
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Junqi Han, Youyuan Hu, Xinzhu Wang
  • Publication number: 20210343805
    Abstract: The present disclosure relates to an array substrate, a display device, and a method for fabricating an array substrate. The array substrate includes a pixel defining layer on the dielectric layer, the pixel defining layer defining a plurality of pixel regions of the array substrate, and light emitting device on the dielectric layer and in the plurality of pixel regions. The device includes a first electrode, a light emitting layer, and a second electrode sequentially disposed from bottom to top. At least one of the plurality of pixel regions has a non-light emitting region adjacent to the pixel defining layer. The dielectric layer in the non-light emitting region has a groove. The array substrate further includes a light shielding portion located in the non-light emitting region and extending into the groove.
    Type: Application
    Filed: September 5, 2018
    Publication date: November 4, 2021
    Inventors: Youyuan HU, Xinzhu WANG, Xinfeng WU, Mengyu LUAN, Fei LI, Huihui LI
  • Patent number: 11164951
    Abstract: The present disclosure relates to a thin film transistor and a manufacturing method thereof, a flexible display screen and a display device. The thin film transistor is disposed on a substrate. The thin film transistor includes: an active layer, a source-drain conductive layer, and a gate conductive layer. The gate conductive layer includes a gate electrode, and the gate conductive layer is disposed on one side of the active layer away from the substrate and insulated from the active layer. The source-drain conductive layer includes a first electrode and a second electrode. The orthogonal projections of the first electrode, the gate electrode, and the second electrode on the substrate are sequentially nested from inside to outside and separately disposed. The reliability of image display may be improved.
    Type: Grant
    Filed: November 19, 2018
    Date of Patent: November 2, 2021
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD, BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Mengyu Luan, Yuching Peng, Fei Li, Lin Chen, Youyuan Hu, Huihui Li, Xinfeng Wu, Xinzhu Wang
  • Publication number: 20210335901
    Abstract: A display substrate having an array of a plurality of subpixels is provided. The display substrate includes a base substrate; a pixel driving layer including a plurality of thin film transistors on the base substrate; a tuning layer on a side of the pixel driving layer away from the base substrate, thicknesses of the tuning layer being different in subpixels of different colors; and a plurality of organic light emitting diodes on a side of the tuning layer away from the pixel driving layer. A respective one of the plurality of organic light emitting diodes includes a hole injection layer, thicknesses of the hole injection layer being different in subpixels of different colors. The thicknesses of the tuning layer and the thicknesses of the hole injection layer are negatively correlated among the subpixels of different colors.
    Type: Application
    Filed: February 27, 2019
    Publication date: October 28, 2021
    Applicants: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Youyuan Hu, Mengyu Luan
  • Publication number: 20210335939
    Abstract: A display panel, a display apparatus, and a method for preparing the display panel. The display panel includes: a substrate; an anode layer on the substrate; a pixel definition layer on the substrate, wherein the pixel definition layer includes an opening to at least partially expose the anode layer; a light-emitting layer in the opening of the pixel definition layer and on the anode layer; and a reflection layer on a sidewall of the opening of the pixel definition layer to reflect light emitted from the light-emitting layer.
    Type: Application
    Filed: June 15, 2020
    Publication date: October 28, 2021
    Applicants: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Fei LI, Xinfeng WU, Youyuan HU, Xinzhu WANG, Huihui LI
  • Publication number: 20210327977
    Abstract: An array substrate is disclosed. The array substrate may include a base substrate (21), a pixel defining layer (22) on the base substrate (21), and a charge generating layer (24) above the pixel defining layer (22). The pixel defining layer (22) may define a plurality of pixel regions. The pixel defining layer (22) may include a plurality of acoustic structures (220), and each of the plurality of acoustic structures (220) may be configured to resonate under an action of an acoustic wave of a threshold frequency to form a slit to disconnect the charge generating layer (24) of two adjacent pixel regions of the plurality of pixel regions.
    Type: Application
    Filed: August 3, 2018
    Publication date: October 21, 2021
    Applicants: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Fei Li, Youyuan Hu, Mengyu Luan, Xinfeng Wu, Xinzhu Wang, Huihui Li
  • Publication number: 20210273201
    Abstract: Provided is a packaging structure for packaging a display device, the packaging structure comprising: at least one composite film layer, wherein the composite film layer comprises an inorganic pattern and an organic pattern, the inorganic pattern comprises a plurality of curved structures arranged at intervals, the organic pattern comprises a first organic sub-pattern, and the first organic sub-pattern and the inorganic pattern are located in a same layer and are complementary in position; and wherein an orthographic projection of the composite film layer onto the display device at least covers a display area of the display device. A display substrate, a display apparatus, and a method for packaging a display device are also provided.
    Type: Application
    Filed: March 10, 2020
    Publication date: September 2, 2021
    Inventors: Youyuan Hu, Mengyu Luan, Xinfeng Wu, Bowen Liu, Xinzhu Wang, Fei Li, Huihui Li
  • Publication number: 20210225254
    Abstract: A pixel circuit is provided. A first terminal and a second terminal of a light-emitting sub-circuit are coupled to a first power supply terminal and a compensation sub-circuit respectively. A short-circuiting sub-circuit is coupled to the first terminal and the second terminal of, and short-circuits under control of a short-circuiting control terminal, the light-emitting sub-circuit. The compensation sub-circuit is coupled to a data voltage terminal, a reference voltage terminal, and a first electrode and a gate electrode of a driving transistor. The light-emitting sub-circuit emits a light of brightness in a level corresponding to a current flowing therethrough. The compensation sub-circuit loads, based on the data voltage terminal and the reference voltage terminal, a driving voltage related to a threshold voltage of the driving transistor onto the gate electrode of the driving transistor, such that a current flowing through the driving transistor is not influenced by its threshold voltage.
    Type: Application
    Filed: May 24, 2018
    Publication date: July 22, 2021
    Applicants: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Mengyu LUAN, Xinfeng WU, Youyuan HU, Xinzhu WANG, Fei LI, Huihui LI, Chengpeng ZHAO, Bo MAO, Kai YANG, Zhongsheng QI, Jie LIU
  • Publication number: 20210210025
    Abstract: The present application provides a pixel compensation circuit, a method for driving the same, and a display apparatus. The pixel compensation circuit includes a light emitting element, a current control sub-circuit and a reverse bias sub-circuit. The current control sub-circuit is coupled to a first terminal of the light emitting element and is configured to control current flowing between a first terminal and a second terminal of the light emitting element. The reverse bias sub-circuit is coupled to a first control signal line and a second terminal of the light emitting element respectively. The reverse bias sub-circuit is configured to set the second terminal of the light emitting element to be at a first bias voltage under the control of a signal on the first control signal line, so that the light emitting element is maintained in a reverse bias state.
    Type: Application
    Filed: November 21, 2017
    Publication date: July 8, 2021
    Inventors: Mengyu Luan, Xuehuan Feng, Xinfeng Wu, Youyuan Hu, Fei Li, Xinzhu Wang, Huihui Li, Qi Hu
  • Publication number: 20210143247
    Abstract: Embodiments of the present disclosure provide a display panel, a method of manufacturing the display panel, and a display apparatus. The display panel comprises: a display substrate and a packaging cover plate opposite to each other; a plurality of connection lines disposed at intervals on an edge of the display substrate; a plurality of insulating partitions on the display substrate, at least a portion of each of the insulating partitions being disposed between two adjacent ones of the connection lines, the display substrate, the packaging cover plate and every two adjacent ones of the insulating partitions defining an accommodation space together, and at least one of the connection lines being located in one of the accommodation spaces; and conductive fillers respectively filled in the accommodation spaces, and each covering at least a portion of a surface of a corresponding one of the connection lines.
    Type: Application
    Filed: March 20, 2020
    Publication date: May 13, 2021
    Inventors: Xinfeng Wu, Huihui Li, Fei Li, Xinzhu Wang, Youyuan Hu, Yanxian Wu, Chaoran Chen
  • Publication number: 20210066417
    Abstract: Provided are a display substrate and a preparation method thereof, and a display apparatus. The display substrate has a pixel definition layer and a light emitting layer disposed on a driving circuit layer; wherein the light emitting layer is configured to emit light, an isolation layer is disposed between the pixel definition layer and the light emitting layer, and the isolation layer is configured to prevent vapor and oxygen from entering the light emitting layer.
    Type: Application
    Filed: June 29, 2020
    Publication date: March 4, 2021
    Inventors: Xinzhu WANG, Fei LI, Huihui LI, Xinfeng WU, Youyuan HU