Patents by Inventor Luhua Chang

Luhua Chang 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: 9732918
    Abstract: The invention discloses a novel LED lamp string and a hose lamp therewith, wherein, the serial lighting LED lamp string is formed by serial connection of a plurality of connection wires and a plurality of LED lighting chips, the front ends of the connection wires at two sides are respectively welded on the lower end surface electrifying welding areas, block pins facing the outside are formed at the tails of the front ends of the connection wires, each LED lighting chip, the welded points of the connection wires at two corresponding sides thereof and the corresponding block pins are tightly wrapped and plastic-packaged by small insulation plastic bodies. The hose lamp saves materials and is firm and reliable and simple in machining process.
    Type: Grant
    Filed: November 24, 2015
    Date of Patent: August 15, 2017
    Inventors: Chenglun Wang, Luhua Chang
  • Publication number: 20160238218
    Abstract: The invention discloses a novel LED lamp string and a hose lamp therewith, wherein, the serial lighting LED lamp string is formed by serial connection of a plurality of connection wires and a plurality of LED lighting chips, the front ends of the connection wires at two sides are respectively welded on the lower end surface electrifying welding areas, block pins facing the outside are formed at the tails of the front ends of the connection wires, each LED lighting chip, the welded points of the connection wires at two corresponding sides thereof and the corresponding block pins are tightly wrapped and plastic-packaged by small insulation plastic bodies. The hose lamp saves materials and is firm and reliable and simple in machining process.
    Type: Application
    Filed: November 24, 2015
    Publication date: August 18, 2016
    Inventor: Luhua Chang