Patents by Inventor Lihua DONG

Lihua DONG 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).

  • Light emitting device and manufacturing method thereof, backlight module, display panel and display device
    Patent number: 11961949
    Abstract: Provided are a light emitting device and manufacturing method thereof, a backlight module, a display panel and a display device. The manufacturing method includes: providing a substrate; forming a circuit layer on a side of the substrate; providing at least one switching element and at least one light emitting element; and electrically connecting the switching element and the light emitting element to the circuit layer. The circuit layer includes a first power signal line, a second power signal line, and a pulse width modulation signal line; the switching element includes a control terminal, a first terminal and a second terminal; the light emitting element is electrically connected between the first terminal and the first power signal line, or the light emitting element is electrically connected between the second terminal and the second power signal line.
    Type: Grant
    Filed: September 3, 2020
    Date of Patent: April 16, 2024
    Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Lihua Wang, Xiaoping Sun, Conghua Ma, Qiang Dong
  • PREPARATION METHOD OF MULTIFUNCTIONAL MODIFIED MOLYBDENUM DISULFIDE NANO-ADDITIVE ADDED TO CUTTING FLUID
    Publication number: 20230174881
    Abstract: The invention relates to a preparation method for a multifunctional modified molybdenum disulfide nano-additive, with step 1: synthesizing a lignocellulose; step 2: synthesizing lignocellulose/MoS2 composite nanoparticles; step 3: synthesizing a lignocellulose/MoS2—Ag nanocomposite to obtain the multifunctional modified molybdenum disulfide nano-additive. The invention provides a preparation method for a multifunctional modified molybdenum disulfide nano-additive, adding which into the cutting fluid will remarkably improve the lubricating property, bactericidal and corrosion resistance performance.
    Type: Application
    Filed: December 5, 2022
    Publication date: June 8, 2023
    Inventors: Yaohua Dong, Hongling Zhu, Lihua Dong, Jingjing Wei, Zhenyuan Chen, Mingmou Han
  • Medical instrument coating and preparation method therefor and medical instrument comprising coating
    Patent number: 9789232
    Abstract: Disclosed is a medical instrument coating, being coated on the surface of a nickel-titanium alloy component of a medical instrument. The medical instrument coating comprises an elementary copper phase, an amorphous titanium-containing substance and a transition layer comprising a copper-nickel intermetallic phase. Also mentioned is a preparation method for the medical instrument coating.
    Type: Grant
    Filed: December 4, 2013
    Date of Patent: October 17, 2017
    Assignee: Lifetech Scientific (Shenzhen) Co. Ltd.
    Inventors: Hengquan Liu, Lihua Dong
  • Medical Instrument Coating and Preparation Method Therefor and Medical Instrument Comprising Coating
    Publication number: 20150320912
    Abstract: Disclosed is a medical instrument coating, being coated on the surface of a nickel-titanium alloy component of a medical instrument. The medical instrument coating comprises an elementary copper phase, an amorphous titanium-containing substance and a transition layer comprising a copper-nickel intermetallic phase. Also mentioned is a preparation method for the medical instrument coating.
    Type: Application
    Filed: December 4, 2013
    Publication date: November 12, 2015
    Applicant: Lifetech Scientific (Shenzhen) Co., Ltd.
    Inventors: Hengquan LIU, Lihua DONG