Patents by Inventor Huimin Liu

Huimin Liu 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: 10971693
    Abstract: The present disclosure relates to a light emitting device, a method for preparing the same and a display device. The light emitting device includes a cathode layer, a quantum dot light emitting layer, a hole injection layer and an anode layer which are laminated. The hole injection layer includes a complex metal oxide film comprising two metal oxides that is at least partially oxidated.
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: April 6, 2021
    Inventors: Jiantai Wang, Rubo Xing, Xiaolong Yang, Huimin Liu, Ping Sun, Dong Wei
  • Patent number: 10873047
    Abstract: The disclosure relates to a quantum dot light-emitting diode device and a manufacturing method and an apparatus thereof, which are used to alleviate the problem of interface quenching caused by the large density of the defect state of nanoparticles of the electron transport layer in the prior art. The method includes: dissolving a polyelectrolyte and nanoparticles having inorganic semiconductor properties to form a first mixed solution; depositing the first mixed solution on one surface of the formed quantum dot light-emitting layer to form an electron transport layer containing the polyelectrolyte and the nanoparticles. The end groups carried by at least a portion of the polyelectrolyte are capable of filling surface defects of the nanoparticles in the electron transport layer.
    Type: Grant
    Filed: May 22, 2019
    Date of Patent: December 22, 2020
    Assignees: KUNSHAN NEW FLAT PANEL DISPLAY TECHNOLOGY CENTER CO., LTD., KUNSHAN GO-VISIONOX OPTO-ELECTRONICS CO., LTD.
    Inventors: Jiantai Wang, Rubo Xing, Xiaolong Yang, Huimin Liu, Ping Sun, Dong Wei
  • Patent number: 10868217
    Abstract: An LED chip provided by an embodiment includes a first semiconductor layer; an active layer and a second semiconductor layer located sequentially on the first semiconductor layer. A first contact electrode extends through the active layer and the second semiconductor layer and is electrically connected to the first semiconductor layer; a second contact electrode is located on the second semiconductor layer and is electrically connected to the second semiconductor layer; a first extension electrode is located on the first contact electrode and is electrically connected to the first contact electrode, the first extension electrode comprises a plurality of concave spots for soldering; and a second extension electrode is located on the second contact electrode, electrically connected to the second contact electrode and isolated from the first extension electrode, and the second extension electrode includes a plurality of concave spots for soldering.
    Type: Grant
    Filed: May 20, 2019
    Date of Patent: December 15, 2020
    Inventors: Dong Wei, Rubo Xing, Huimin Liu, Xiaolong Yang, Jiantai Wang
  • Patent number: 10868216
    Abstract: The present application relates to a light emitting diode chip including: a first semiconductor layer and a second semiconductor layer. The first semiconductor layer and the second semiconductor layer are laminated to each other, and have an exposed upper surface respectively. An electrode is provided on the upper surfaces of the first semiconductor layer and the second semiconductor layer respectively. The electrode has a first recess in a direction perpendicular to the upper surface.
    Type: Grant
    Filed: May 16, 2019
    Date of Patent: December 15, 2020
    Inventors: Rubo Xing, Dong Wei, Xiaolong Yang, Huimin Liu
  • Patent number: 10861834
    Abstract: A method for manufacturing a micro-LED display screen includes: forming an N-type GaN layer, a quantum-well light-emitting layer, and a P-type GaN layer on a sapphire substrate sequentially; etching the P-type GaN layer, the quantum-well light-emitting layer, and the N-type GaN layer from top to bottom, to form a first trench; forming an ITO layer on the surface of the P-type GaN layer, and etching the ITO layer to form a second trench; generating an N-type contact electrode in the first trench; generating a reflective electrode having a longitudinal cross-section in a shape with a wide upper side and a narrow lower side, respectively, on an upper surface of the N-type contact electrode and in the second trench; depositing an insulating layer on a surface of the micro-LED chip, and etching the insulating layer to expose the reflective electrodes; and soldering a driving circuit substrate to the reflective electrode.
    Type: Grant
    Filed: May 16, 2019
    Date of Patent: December 8, 2020
    Inventors: Dong Wei, Rubo Xing, Huimin Liu, Xiaolong Yang, Jiantai Wang
  • Publication number: 20200371641
    Abstract: A touch control display screen includes: a display device layer including a display device elastic substrate and a display device disposed in the display device elastic substrate; and a touch control layer disposed on a surface of the display device elastic substrate. As the display device is disposed into the elastic substrate, it is possible for the touch control display screen to achieve the function of stretchability by the stress produced in the elastic substrates' stretching.
    Type: Application
    Filed: August 13, 2020
    Publication date: November 26, 2020
    Applicants: Kunshan New Flat Panel Display Technology Center Co., Ltd., KunShan Go-Visionox Opto-Electronics Co., Ltd.
    Inventors: Feng ZHAI, Huimin LIU, Tao WANG
  • Publication number: 20200251641
    Abstract: The present disclosure relates to micro-LED chips, methods for manufacturing the same, and display devices. The micro-LED chip includes: a driving backplane including at least one first electrode, a groove being provided above the first electrode, and the first electrode being located at a bottom of the groove; the groove being filled with a conductive material, and the conductive material being obtained by curing a corresponding conductive ink; and a light emitting chip including at least one second electrode; and the first electrode is connected to the second electrode through the conductive material.
    Type: Application
    Filed: April 20, 2020
    Publication date: August 6, 2020
    Inventors: Feng ZHAI, Huimin Liu, Tao Wang
  • Patent number: 10707431
    Abstract: The present disclosure discloses a stretchable display panel and a method of manufacturing the same. The stretchable display panel includes an elastic base layer and a number of array-distributed display units embedded in the elastic base layer. At least one of the display units include a pixel unit and a rigid protection body, and the rigid protection body includes at least a rigid sidewall disposed on at least one side of the pixel units.
    Type: Grant
    Filed: July 4, 2019
    Date of Patent: July 7, 2020
    Inventors: Huimin Liu, Rubo Xing, Dong Wei, Jiantai Wang
  • Publication number: 20200013977
    Abstract: The present disclosure relates to a light emitting device, a method for preparing the same and a display device. The light emitting device includes a cathode layer, a quantum dot light emitting layer, a hole injection layer and an anode layer which are laminated. The hole injection layer includes a complex metal oxide film comprising two metal oxides that is at least partially oxidated.
    Type: Application
    Filed: September 20, 2019
    Publication date: January 9, 2020
    Inventors: Jiantai WANG, Rubo XING, Xiaolong YANG, Huimin LIU, Ping SUN, Dong WEI
  • Publication number: 20200006684
    Abstract: The present disclosure relates to the field of display technologies, and a stretchable display device, a method for manufacturing the same, and an electronic device are disclosed. In the present disclosure, the device includes: a stretchable substrate, a stretchable wire and a plurality of rigid islands. The stretchable wire and the plurality of rigid islands are all arranged on the stretchable substrate. The plurality of rigid islands are spaced apart on the stretchable substrate, and a pixel encapsulation body is formed on the rigid island. The stretchable wire is connected to the pixel encapsulation body to form a power supply circuit for the pixel encapsulation body. The present disclosure realizes a reliable electrical connection condition, effective encapsulation and structural stability of light-emitting pixels under stretching conditions by connecting the light-emitting pixel that is separately encapsulated on each rigid island, to one another through the stretchable wire.
    Type: Application
    Filed: September 9, 2019
    Publication date: January 2, 2020
    Inventors: Huimin LIU, Rubo XING, Dong WEI, Jiantai WANG, Xiaolong YANG
  • Publication number: 20190340408
    Abstract: Display panels and display devices, in order to provide a new full screen solution that can realize fingerprint recognition. The display panel includes a substrate, a display film layer located on a surface of the substrate and a touch film layer located above the display film layer. The display panel further includes a fingerprint recognition film layer including a plurality of image sensing elements arranged in an array, and an orthographic projection of the image sensing element on the substrate is not overlapped with an orthographic projection of the light-emitting sub-pixels in the display film layer on the substrate.
    Type: Application
    Filed: July 17, 2019
    Publication date: November 7, 2019
    Applicant: Yungu (Gu'an) Technology Co., Ltd.
    Inventors: Xiaolong YANG, Rubo XING, Jiantai WANG, Qi SHAN, Huimin LIU
  • Publication number: 20190326532
    Abstract: The present disclosure discloses a stretchable display panel and a method of manufacturing the same. The stretchable display panel includes an elastic base layer and a number of array-distributed display units embedded in the elastic base layer. At least one of the display units include a pixel unit and a rigid protection body, and the rigid protection body includes at least a rigid sidewall disposed on at least one side of the pixel units.
    Type: Application
    Filed: July 4, 2019
    Publication date: October 24, 2019
    Inventors: Huimin LIU, Rubo Xing, Dong Wei, Jiantai Wang
  • Publication number: 20190280234
    Abstract: The disclosure relates to a quantum dot light-emitting diode device and a manufacturing method and an apparatus thereof, which are used to alleviate the problem of interface quenching caused by the large density of the defect state of nanoparticles of the electron transport layer in the prior art. The method includes: dissolving a polyelectrolyte and nanoparticles having inorganic semiconductor properties to form a first mixed solution; depositing the first mixed solution on one surface of the formed quantum dot light-emitting layer to form an electron transport layer containing the polyeleotrolyte and the nanoparticles. The end groups carried by at least a portion of the polyelectrolyte are capable of filling surface defects of the nanoparticles in the electron transport layer.
    Type: Application
    Filed: May 22, 2019
    Publication date: September 12, 2019
    Applicants: Kunshan New Flat Panel Display Technology Center Co., Ltd., KunShan Go-Visionox Opto-Electronics Co., Ltd.
    Inventors: Jiantai WANG, Rubo XING, Xiaolong YANG, Huimin LIU, Ping SUN, DONG WEI
  • Publication number: 20190273183
    Abstract: The present application relates to a light emitting diode chip including: a first semiconductor layer and a second semiconductor layer. The first semiconductor layer and the second semiconductor layer are laminated to each other, and have an exposed upper surface respectively. An electrode is provided on the upper surfaces of the first semiconductor layer and the second semiconductor layer respectively. The electrode has a first recess in a direction perpendicular to the upper surface.
    Type: Application
    Filed: May 16, 2019
    Publication date: September 5, 2019
    Inventors: Rubo XING, Dong Wei, Xiaolong Yang, Huimin Liu
  • Publication number: 20190273215
    Abstract: The disclosure relates to the field of light-emitting device technology, and in particular to a quantum dot light-emitting diode device and a manufacturing method, an apparatus thereof. The device includes: a quantum dot light-emitting layer, a first transport layer located over the quantum dot light-emitting layer, a first barrier layer located between the quantum dot light-emitting layer and the first transport layer, the first barrier layer containing a polymer electrolyte, which is configured to block at least a portion of the nanoparticles in the first transport layer from leaking into the quantum dot light-emitting layer.
    Type: Application
    Filed: May 22, 2019
    Publication date: September 5, 2019
    Applicants: Kunshan New Flat Panel Display Technology Center Co., Ltd., KunShan Go-Visionox Opto-Electronics Co., Ltd.
    Inventors: Jiantai WANG, Rubo XING, Xiaolong YANG, Huimin LIU, Ping SUN, DONG WEI
  • Publication number: 20190273184
    Abstract: An LED chip provided by an embodiment includes a first semiconductor layer; an active layer and a second semiconductor layer located sequentially on the first semiconductor layer. A first contact electrode extends through the active layer and the second semiconductor layer and is electrically connected to the first semiconductor layer; a second contact electrode is located on the second semiconductor layer and is electrically connected to the second semiconductor layer; a first extension electrode is located on the first contact electrode and is electrically connected to the first contact electrode, the first extension electrode comprises a plurality of concave spots for soldering; and a second extension electrode is located on the second contact electrode, electrically connected to the second contact electrode and isolated from the first extension electrode, and the second extension electrode includes a plurality of concave spots for soldering.
    Type: Application
    Filed: May 20, 2019
    Publication date: September 5, 2019
    Inventors: Dong WEI, Rubo XING, Huimin LIU, Xiaolong YANG, Jiantai WANG
  • Publication number: 20190267360
    Abstract: A method for manufacturing a micro-LED display screen includes: forming an N-type GaN layer, a quantum-well light-emitting layer, and a P-type GaN layer on a sapphire substrate sequentially; etching the P-type GaN layer, the quantum-well light-emitting layer, and the N-type GaN layer from top to bottom, to form a first trench; forming an ITO layer on the surface of the P-type GaN layer, and etching the ITO layer to form a second trench; generating an N-type contact electrode in the first trench; generating a reflective electrode having a longitudinal cross-section in a shape with a wide upper side and a narrow lower side, respectively, on an upper surface of the N-type contact electrode and in the second trench; depositing an insulating layer on a surface of the micro-LED chip, and etching the insulating layer to expose the reflective electrodes; and soldering a driving circuit substrate to the reflective electrode.
    Type: Application
    Filed: May 16, 2019
    Publication date: August 29, 2019
    Inventors: Dong WEI, Rubo XING, Huimin LIU, Xiaolong YANG, Jiantai WANG
  • Publication number: 20190237689
    Abstract: The present application provides a flexible display screen including a number of functional film layers stacked in sequence. The functional film layer includes a number of module materials as units constituting the functional film layer, and a gap or a groove is disposed between two adjacent module materials. The groove or the gap can reduce contact area between a functional film layer where the module material is located and another functional film layer disposed adjacent to the functional film layer.
    Type: Application
    Filed: April 8, 2019
    Publication date: August 1, 2019
    Applicant: Yungu (Gu'an) Technology Co., Ltd.
    Inventors: Huimin LIU, Rubo XING, Xiaolong YANG, Jiantai WANG, Dong WEI
  • Patent number: 8739989
    Abstract: A counterweight loading and unloading device and a movable crane have a freestanding pallet (10) with two ends whose upper end faces are used for holding a counterweight (61). The two ends of the freestanding pallet (10) are both equipped with a cavity, and at least one telescopic oil cylinder (11, 12, 13, and 14) is provided in the cavity. A fixed end of the telescopic oil cylinder is fixed with the freestanding pallet (10), and a telescopic end of the telescopic oil cylinder is coupled with a pallet lifting mechanism for lifting the freestanding pallet. The device is not limited by a planar space of a vehicle frame and a turntable height of the movable crane. An integral dimension of the movable crane is not increased, thus preventing integral dimension of the movable crane from exceeding a road traveling standard. The structure of the device is more compact, and the telescopic oil cylinder plays a role of the counterweight, thus enabling stress of the turntable to be more reasonable.
    Type: Grant
    Filed: June 24, 2010
    Date of Patent: June 3, 2014
    Assignees: Hunan Sany Intelligent Control Equipment Co., Ltd., Sany Automobile Manufacture Co., Ltd.
    Inventors: Huimin Liu, Munan Liu, Xin Zhang
  • Publication number: 20120160795
    Abstract: A counterweight loading and unloading device and a movable crane have a freestanding pallet (10) with two ends whose upper end faces are used for holding a counterweight (61). The two ends of the freestanding pallet (10) are both equipped with a cavity, and at least one telescopic oil cylinder (11, 12, 13, and 14) is provided in the cavity. A fixed end of the telescopic oil cylinder is fixed with the freestanding pallet (10), and a telescopic end of the telescopic oil cylinder is coupled with a pallet lifting mechanism for lifting the freestanding pallet. The device is not limited by a planar space of a vehicle frame and a turntable height of the movable crane. An integral dimension of the movable crane is not increased, thus preventing integral dimension of the movable crane from exceeding a road traveling standard. The structure of the device is more compact, and the telescopic oil cylinder plays a role of the counterweight, thus enabling stress of the turntable to be more reasonable.
    Type: Application
    Filed: June 24, 2010
    Publication date: June 28, 2012
    Applicants: SANY AUTOMOBILE MANUFACTURE CO., LTD., HUNAN SANY INTELLIGENT CONTROL EQUIPMENT CO., LTD.
    Inventors: Huimin Liu, Munan Liu, Xin Zhang