Patents by Inventor Jeffery Hunninghake

Jeffery Hunninghake 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: 5340619
    Abstract: Color filter arrays containing one or more colors for liquid crystal displays and other optoelectronic devices are made by using a laser to ablate portions of a coating on either a colored or transparent substrate. Color filter materials are placed into the ablated openings and cured. The number of laser ablated openings in the coated substrate varies, depending on the quantity and types of colors desired.
    Type: Grant
    Filed: October 18, 1993
    Date of Patent: August 23, 1994
    Assignee: Brewer Science, Inc.
    Inventors: Yih-Wen Chen, Terry Brewer, Jeffery Hunninghake, Dan Hawley