Patents by Inventor Zhenhua Lv

Zhenhua Lv 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: 20240111185
    Abstract: The present disclosure discloses a display substrate, a control method thereof and a display device, and relates to the field of display technologies. The display substrate includes: a first substrate, a second substrate, a liquid crystal layer, a plurality of pixel electrodes, and a plurality of light-emitting elements. The plurality of pixel electrodes and the plurality of light-emitting elements are both disposed on a side, proximal to the liquid crystal layer, of the first substrate. When external ambient light is weak, the plurality of light-emitting elements in the display substrate may supply auxiliary light sources to the display substrate, such that the display substrate normally emits light to ensure a display effect.
    Type: Application
    Filed: December 28, 2020
    Publication date: April 4, 2024
    Inventors: Huijuan WANG, Xue DONG, Wanxian XU, Zhenhua LV
  • Patent number: 11820661
    Abstract: An apparatus for continuous preparation of carbon nanotubes, based on a fluidized bed reactor. The fluidized bed reactor comprises an annular varying diameter zone, a raw material gas inlet, a catalyst feeding port, a protective gas inlet, and a pulse gas controller. The annular varying diameter zone is located at a zone from a ¼ position starting from the bottom to the top. The pulse gas controller is disposed at the arc-shaped top portion of the annular varying diameter zone. The catalyst feeding port is located at the top of the fluidized bed reactor. The raw material gas inlet and the protective gas inlet are located at the bottom of the fluidized bed reactor. The device is also provided with a product outlet and a tail gas outlet.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: November 21, 2023
    Inventors: Yan Li, Lei Geng, Zhenhua Lv, Longli Li, Zhongcun Bao
  • Publication number: 20230348264
    Abstract: A method of continuously producing carbon nanotubes and hydrogencomprising: preparing a catalyst precursor, and pre-reducing the catalyst precursor; adding a height of carbon nanotubes in a reactor as a stacked bed and electrically heating the carbon nanotubes to the reaction temperature of a vapor deposition furnace in the presence of a protective gas; putting the pre-reduced catalyst or unreduced catalyst precursor into the reactor; under the condition of stirring the solid materials in the reactor, introducing a carbon source gas, reacting same by means of the vapor deposition furnace to generate new carbon nanotubes and hydrogen, continuously discharging a part of carbon nanotubes and a part of hydrogen, and repeating these steps to achieve the continuous preparation of carbon nanotubes. The device has a high utilization rate of raw materials, can manufacture a large batch of carbon nanotubes with a high purity at one time, and is suitable for large-scale industrial production.
    Type: Application
    Filed: December 7, 2020
    Publication date: November 2, 2023
    Inventors: Yan LI, Lei GENG, Zhenhua LV, Longli LI
  • Publication number: 20230122201
    Abstract: A dispatching method for an electric-hydrogen energy system considering flexible hydrogen demand includes establishing an electric load flexibility equation, a power purchase and sale constraint equation, a renewable energy output constraint equation, a hydrogen load flexibility equation, an electricity-to-hydrogen production safety operation constraint equation and an electric power balance constraint equation, establishing an electric-hydrogen energy system dispatching model with the lowest operating cost of the electric-hydrogen energy system within the dispatching cycle as an objective function, and solving the electric-hydrogen energy system dispatching model to obtain an optimal dispatching result. As compared with the prior art, the present invention can effectively solve the problem of coordination between electric and hydrogen energy flows, while taking into account the flexibility of electric and hydrogen loads, further providing additional flexibility to the operation of the system.
    Type: Application
    Filed: July 12, 2021
    Publication date: April 20, 2023
    Inventors: Qiang LI, Huachun HAN, Xiaodong YUAN, Qun LI, Zhi WU, Yongyong JIA, Chenyu WU, Zhenhua LV, Suyang ZHOU, Weijia TANG, Shuai LU, Chenggen WANG
  • Patent number: 11531247
    Abstract: A display module and an electronic device are provided, the display module including: an upper substrate including a first electrode provided on the substrate, and a plurality of projections provided on a first surface of the upper substrate and arranged in a matrix; a lower substrate including a second electrode provided on the lower substrate, and a plurality of grooves provided on a first surface of the lower substrate; and an inverted emulsion. The first surface of the upper substrate is on the first surface of the lower substrate, each projection matches a groove corresponding thereto to form an accommodating space, and the inverted emulsion is filled in the accommodating space.
    Type: Grant
    Filed: March 15, 2019
    Date of Patent: December 20, 2022
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhenhua Lv, Zhidong Wang, Xiaoling Xu, Yang You, Ning Jia, Yun Qiu
  • Patent number: 11430913
    Abstract: The present disclosure relates to the field of LED display technologies, and provides an LED chip, an LED light emitting substrate, a display device and a control method thereof. Specifically, the LED chip comprises: an N-type semiconductor layer, a P-type semiconductor layer, as well as a quantum well layer between the N-type semiconductor layer and the P-type semiconductor layer. The quantum well layer is made of indium gallium nitride, wherein indium atoms have a molar ratio of greater than or equal to 0.3 in the indium gallium nitride.
    Type: Grant
    Filed: December 7, 2017
    Date of Patent: August 30, 2022
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Huijuan Wang, Meili Wang, Zhenhua Lv, Fei Wang, Zezhou Yang
  • Patent number: 11340473
    Abstract: The present disclosure belongs to the field of display technology, and particularly relates to a 3D display panel, a method for driving the same and a display apparatus. The 3D display panel is divided into a plurality of pixel regions and comprises a light emitting unit, and the light emitting unit includes a plurality of light emitting devices arranged in the plurality of pixel regions. The plurality of light emitting devices are configured to form a barrier pattern of alternating bright and dark bands during display of the 3D display panel.
    Type: Grant
    Filed: December 11, 2017
    Date of Patent: May 24, 2022
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Yanfeng Wang, Dan Wang, Yun Qiu, Zhidong Wang, Xiaoling Xu, Yuanxin Du, Zhenhua Lv, Congcong Wei, Weipin Hu
  • Patent number: 11296235
    Abstract: A thin film transistor and a manufacturing method thereof, an array substrate and a manufacturing method thereof, and a display panel are provided. The thin film transistor includes an active layer and a wire grid which is disposed at least on a surface of an active region of the active layer and is made of a conductive material. The active layer includes a source region, a drain region, and the channel region between the source region and the drain region. The wire grid includes a plurality of wire grid sections which are spaced apart from each other, and in a direction from the source region to the drain region, a length of the channel region is longer than a length of the wire grid section.
    Type: Grant
    Filed: November 17, 2017
    Date of Patent: April 5, 2022
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Zhenhua Lv, Lianjie Qu, Yanfeng Wang, Hongbo Feng, Xuewen Lv, Jiantao Liu
  • Patent number: 11281033
    Abstract: A display system and a display control method of the display system are provided. The display system includes a display device, at least two layers of liquid crystal cells on a light-emitting side of the display device, and a controller device. The display device is configured to display a display picture; the at least two lavers of liquid crystal cells are configured to control an exit angle of light of the display picture; the controller device is configured to control positions and/or widths of light-transmitting regions and light-shielding regions of each layer of the liquid crystal cells to control a display mode of the display picture. The display system can control the positions and widths of the light-transmitting regions and the light-shielding regions formed on each liquid crystal cell according to actual needs, thereby realizing switching among various display modes.
    Type: Grant
    Filed: April 1, 2019
    Date of Patent: March 22, 2022
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yang You, Yun Qiu, Ruizhi Yang, Ruiyong Wang, Zhidong Wang, Zhenhua Lv
  • Patent number: 11269233
    Abstract: An anti-peeping device, an anti-peeping method thereof and a display device are disclosed. The anti-peeping device comprises: an upper substrate and a lower substrate which are arranged opposite to each other, and an electrophoresis layer filled between the upper substrate and the lower substrate; an electrode layer is arranged on a side, facing the electrophoresis layer, of at least one of the upper substrate and the lower substrate; the electrode layer includes a plurality of first sub-electrodes distributed along a first direction; and the electrophoresis layer includes charged particles with an electric property opposite to that of the first sub-electrodes to absorb light rays.
    Type: Grant
    Filed: October 26, 2017
    Date of Patent: March 8, 2022
    Assignees: BOE Technology Group Co., Ltd., Beijing BOE Display Technology Co., Ltd.
    Inventors: Yang You, Ruizhi Yang, Zhaokun Yang, Ruiyong Wang, Zhenhua Lv, Xiang Feng, Yun Qiu
  • Publication number: 20210395090
    Abstract: An apparatus for continuous preparation of carbon nanotubes, based on a fluidized bed reactor. The fluidized bed reactor comprises an annular varying diameter zone, a raw material gas inlet, a catalyst feeding port, a protective gas inlet, and a pulse gas controller. The annular varying diameter zone is located at a zone from a ¼ position starting from the bottom to the top. The pulse gas controller is disposed at the arc-shaped top portion of the annular varying diameter zone. The catalyst feeding port is located at the top of the fluidized bed reactor. The raw material gas inlet and the protective gas inlet are located at the bottom of the fluidized bed reactor. The device is also provided with a product outlet and a tail gas outlet.
    Type: Application
    Filed: March 27, 2018
    Publication date: December 23, 2021
    Inventors: Yan LI, Lei GENG, Zhenhua LV, Longli LI, Zhongcun BAO
  • Patent number: 11134237
    Abstract: A three-dimensional display system includes: an LED array and a light control layer disposed on a base substrate; wherein the LED array is used to form polarized lights of different polarization directions; the light control layer is used to control a light emission order of the polarized lights of different polarization directions.
    Type: Grant
    Filed: October 19, 2017
    Date of Patent: September 28, 2021
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Yanfeng Wang, Xue Dong, Dan Wang, Yun Qiu, Yuanxin Du, Zhenhua Lv, Xiaoling Xu, Zhidong Wang, Weipin Hu, Congcong Wei
  • Patent number: 11086150
    Abstract: The present application discloses a peep-proof apparatus for switching a viewing angle of a display panel between a first viewing angle and a second viewing angle. The peep-proof apparatus includes a base substrate; a first liquid crystal layer on the base substrate; a second liquid crystal layer on a side of the first liquid crystal layer distal to the base substrate; a first controller configured to control the first liquid crystal layer to switch between being light transmissive and being light blocking in a plurality of first regions spaced apart from each other while other regions in the first liquid crystal layer being light transmissive; and a second controller configured to control the second liquid crystal layer to switch between being light transmissive and being light blocking in a plurality of second regions spaced apart from each other while other regions in the second liquid crystal layer being light transmissive.
    Type: Grant
    Filed: July 6, 2017
    Date of Patent: August 10, 2021
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., Beijing BOE Display Technology Co., Ltd.
    Inventors: Yang You, Ruizhi Yang, Ruiyong Wang, Zhenhua Lv
  • Publication number: 20210208431
    Abstract: The present application discloses a peep-proof apparatus for switching a viewing angle of a display panel between a first viewing angle and a second viewing angle. The peep-proof apparatus includes a base substrate; a first liquid crystal layer on the base substrate; a second liquid crystal layer on a side of the first liquid crystal layer distal to the base substrate; a first controller configured to control the first liquid crystal layer to switch between being light transmissive and being light blocking in a plurality of first regions spaced apart from each other while other regions in the first liquid crystal layer being light transmissive; and a second controller configured to control the second liquid crystal layer to switch between being light transmissive and being light blocking in a plurality of second regions spaced apart from each other while other regions in the second liquid crystal layer being light transmissive.
    Type: Application
    Filed: July 6, 2017
    Publication date: July 8, 2021
    Applicants: BOE TECHNOLOGY GROUP CO., LTD., Beijing BOE Display Technology Co., Ltd.
    Inventors: Yang You, Ruizhi Yang, Ruiyong Wang, Zhenhua Lv
  • Publication number: 20210211639
    Abstract: The present disclosure belongs to the field of display technology, and particularly relates to a 3D display panel, a method for driving the same and a display apparatus. The 3D display panel is divided into a plurality of pixel regions and comprises a light emitting unit, and the light emitting unit includes a plurality of light emitting devices arranged in the plurality of pixel regions. The plurality of light emitting devices are configured to form a barrier pattern of alternating bright and dark bands during display of the 3D display panel.
    Type: Application
    Filed: December 11, 2017
    Publication date: July 8, 2021
    Inventors: Yanfeng WANG, Dan WANG, Yun QIU, Zhidong WANG, Xiaoling XU, Yuanxin DU, Zhenhua LV, Congcong WEI, Weipin HU
  • Publication number: 20210176451
    Abstract: A three-dimensional display system includes: an LED array and a light control layer disposed on a base substrate; wherein the LED array is used to form polarized lights of different polarization directions; the light control layer is used to control a light emission order of the polarized lights of different polarization directions.
    Type: Application
    Filed: October 19, 2017
    Publication date: June 10, 2021
    Inventors: Yanfeng WANG, Xue DONG, Dan WANG, Yun QIU, Yuanxin DU, Zhenhua LV, Xiaoling XU, Zhidong WANG, Weipin HU, Congcong WEI
  • Publication number: 20210167222
    Abstract: A thin film transistor and a manufacturing method thereof, an array substrate and a manufacturing method thereof, and a display panel are provided. The thin film transistor includes an active layer and a wire grid which is disposed at least on a surface of an active region of the active layer and is made of a conductive material. The active layer includes a source region a drain region, and the channel region between the source region and the drain region. The wire grid includes a plurality of wire grid sections which are spaced apart from each other, and in a direction from the source region to the drain region, a length of the channel region is longer than a length of the wire grid section.
    Type: Application
    Filed: November 17, 2017
    Publication date: June 3, 2021
    Inventors: Zhenhua LV, Lianjie QU, Yanfeng WANG, Hongbo FENG, Xuewen LV, Jiantao LIU
  • Publication number: 20210157361
    Abstract: To construct a display substrate, a first metal connection part is formed on a first surface of a base substrate, extending to a first surface edge region, and a second metal connection part is formed on a second surface of the base substrate opposite to the first surface, extending to a second surface edge region. A flexible film formed on the first surface is patterned to expose a portion of the first surface edge region, aligned with the first metal connection part. A portion of the base substrate covered by the first surface edge region is removed. A portion of the flexible film in the first surface edge region is bent to cover at least a portion of a sidewall of the base substrate. A sidewall metal connection part is formed to electrically connect the first and second metal connection parts, and the flexible film is removed.
    Type: Application
    Filed: September 16, 2020
    Publication date: May 27, 2021
    Inventors: Shan Zhang, Hong Yang, Lianjie Qu, Yonglian Qi, Hebin Zhao, Yun Qiu, Chao Liu, Zhenhua Lv, Yang You
  • Publication number: 20210151496
    Abstract: Provides are a display substrate and a manufacturing method thereof, a display device. The display substrate includes a base substrate; a micro LED backlight array, including a first sub-array of micro LEDs and a second sub-array of micro LEDs; a color conversion layer on the micro LED backlight array, the color conversion layer including: a first color conversion unit array, an orthogonal projection of which on the base substrate overlaps with that of the first sub-array of micro LEDs on the base substrate and does not overlap with that of the second sub-array of micro LEDs on the base substrate; a second color conversion unit array, an orthogonal projection of which on the base substrate overlaps with that of the second sub-array of the micro LEDs on the base substrate and does not overlap with that of the first sub-array of micro LEDs on the base substrate.
    Type: Application
    Filed: April 30, 2020
    Publication date: May 20, 2021
    Inventors: Huijuan WANG, Peilin ZHANG, Zhenhua LV, Yang YOU
  • Publication number: 20210109388
    Abstract: A display system and a display control method of the display system are provided. The display system includes a display device, at least two layers of liquid crystal cells on a light-emitting side of the display device, and a controller device. The display device is configured to display a display picture; the at least two lavers of liquid crystal cells are configured to control an exit angle of light of the display picture; the controller device is configured to control positions and/or widths of light-transmitting regions and light-shielding regions of each layer of the liquid crystal cells to control a display mode of the display picture. The display system can control the positions and widths of the light-transmitting regions and the light-shielding regions formed on each liquid crystal cell according to actual needs, thereby realizing switching among various display modes.
    Type: Application
    Filed: April 1, 2019
    Publication date: April 15, 2021
    Inventors: Yang YOU, Yun QIU, Ruizhi YANG, Ruiyong WANG, Zhidong WANG, Zhenhua LV