Patents by Inventor Jeong Pil JEONG

Jeong Pil JEONG 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
    Publication number: 20130168711
    Abstract: Disclosed are a light emitting device, a method of manufacturing the same, a light emitting device package, and a lighting system. The light emitting device includes: a substrate; a first conductive semiconductor layer on the substrate; an active layer on the first conductive semiconductor layer; a second conductive semiconductor layer; and a nitride semiconductor layer having a refractive index less than a refractive index of the second conductive semiconductor layer on the second conductive semiconductor layer.
    Type: Application
    Filed: January 2, 2013
    Publication date: July 4, 2013
    Inventors: Jeong Pil JEONG, Jung Hyun HWANG, Chong Cook KIM