Patents by Inventor I Da Yang

I Da Yang 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).

  • Micro-droplet ejection apparatus having nozzle arrays without individual chambers and ejection method of droplets thereof
    Patent number: 8287102
    Abstract: A micro-droplet ejection apparatus includes a substrate, a droplet-ejecting layer, and a plurality of bubble generators. A liquid storage space is formed between the substrate and the droplet-ejecting layer. The liquid storage space has no spacer connecting the substrate and the droplet-ejecting layer. That is, the liquid storage space has no individual chambers. The droplet-ejecting layer has a plurality of through holes arranged in an array, and each through hole is used as a nozzle for pushing out ink. The plurality of bubble generators is disposed above the substrate, and corresponds to and is disposed under the through holes. The bubble generators on two sides of a designated bubble generator generate at least one limit bubble, limiting the growth of a main bubble generated by the designated bubble generator.
    Type: Grant
    Filed: March 5, 2008
    Date of Patent: October 16, 2012
    Assignee: National Tsing Hua University
    Inventors: Fan Gang Tseng, I Da Yang
  • MICRO-DROPLET EJECTION APPARATUS HAVING NOZZLE ARRAYS WITHOUT INDIVIDUAL CHAMBERS AND EJECTION METHOD OF DROPLETS THEREOF
    Publication number: 20080218557
    Abstract: A micro-droplet ejection apparatus includes a substrate, a droplet-ejecting layer, and a plurality of bubble generators. A liquid storage space is formed between the substrate and the droplet-ejecting layer. The liquid storage space has no spacer connecting the substrate and the droplet-ejecting layer. That is, the liquid storage space has no individual chambers. The droplet-ejecting layer has a plurality of through holes arranged in an array, and each through hole is used as a nozzle for pushing out ink. The plurality of bubble generators is disposed above the substrate, and corresponds to and is disposed under the through holes. The bubble generators on two sides of a designated bubble generator generate at least one limit bubble, limiting the growth of a main bubble generated by the designated bubble generator.
    Type: Application
    Filed: March 5, 2008
    Publication date: September 11, 2008
    Applicant: NATIONAL TSING HUA UNIVERSITY
    Inventors: FAN GANG TSENG, I DA YANG