Patents by Inventor Guang Zhai

Guang Zhai 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).

  • Poly-siloxane containing organic vehicle for electroconductive pastes
    Patent number: 10217876
    Abstract: The invention relates to a passivated emitter rear solar cell, comprising a silicon substrate having a front and back surface, a rear passivation layer on the back surface of the silicon substrate having a plurality of open holes formed therein, an aluminum back contact layer formed in the open holes of the rear passivation layer, and at least one backside soldering tab on the back surface of the silicon substrate. The backside soldering tab is formed from an electroconductive paste composition comprising conductive metallic particles, at least one lead-free glass frit, and an organic vehicle comprising at least one silicone oil.
    Type: Grant
    Filed: March 24, 2017
    Date of Patent: February 26, 2019
    Assignee: HERAEUS PRECIOUS METALS NORTH AMERICA CONSHOHOCKEN LLC
    Inventors: Devidas Raskar, Yi Yang, Lixin Song, Guang Zhai
  • POLY-SILOXANE CONTAINING ORGANIC VEHICLE FOR ELECTROCONDUCTIVE PASTES
    Publication number: 20170200837
    Abstract: The invention relates to a passivated emitter rear solar cell, comprising a silicon substrate having a front and back surface, a rear passivation layer on the back surface of the silicon substrate having a plurality of open holes formed therein, an aluminum back contact layer formed in the open holes of the rear passivation layer, and at least one backside soldering tab on the back surface of the silicon substrate. The backside soldering tab is formed from an electroconductive paste composition comprising conductive metallic particles, at least one lead-free glass frit, and an organic vehicle comprising at least one silicone oil.
    Type: Application
    Filed: March 24, 2017
    Publication date: July 13, 2017
    Inventors: DEVIDAS RASKAR, Yi Yang, Lixin Song, Guang Zhai