Patents by Inventor Ju Hyon SONG

Ju Hyon SONG 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
    Patent number: 9444016
    Abstract: Provided are a light emitting device, a light emitting device package, and a lighting system. The light emitting device comprises a reflective layer, a second conductive type semiconductor layer on the reflective layer, an active layer on the second conductive type semiconductor layer, a first conductive type semiconductor layer on the active layer, and a pad electrode on the first conductive type semiconductor layer. The reflective layer comprises a predetermined pattern.
    Type: Grant
    Filed: May 2, 2012
    Date of Patent: September 13, 2016
    Assignee: LG Innotek Co., Ltd.
    Inventors: Ho Sang Kwack, Hyun Soo Lim, Ju Hyon Song, Hyun Kyong Cho, Ho Ki Kwon
  • LIGHT EMITTING DEVICE
    Publication number: 20130001617
    Abstract: Provided are a light emitting device, a light emitting device package, and a lighting system. The light emitting device comprises a reflective layer, a second conductive type semiconductor layer on the reflective layer, an active layer on the second conductive type semiconductor layer, a first conductive type semiconductor layer on the active layer, and a pad electrode on the first conductive type semiconductor layer. The reflective layer comprises a predetermined pattern.
    Type: Application
    Filed: May 2, 2012
    Publication date: January 3, 2013
    Inventors: Ho Sang KWACK, Hyun Soo LIM, Ju Hyon SONG, Hyun Kyong CHO, Ho Ki KWON