Patents by Inventor Eun-Mi Yoo

Eun-Mi Yoo 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 diode having multi-cell structure and method of manufacturing the same
    Patent number: 8710520
    Abstract: Disclosed is a light emitting diode having a multi-cell structure including a number of unit cells. The light emitting diode is capable of reducing light loss of the light emitting diode surface and improving light efficiency by bonding pads to be formed for contact between mesa etching regions for forming an electrode of the existing n-type semiconductor layers and p-type semiconductor layers. The light emitting diode is also capable of controlling chip size and manufacturing chips of different sizes from each other even when going through the same chip manufacturing process as the related art.
    Type: Grant
    Filed: November 2, 2010
    Date of Patent: April 29, 2014
    Assignee: Korea Photonics Technology Institute
    Inventors: Sang-Mook Kim, Jong-Hyeob Baek, Kwang-Cheol Lee, Eun-Mi Yoo
  • Light emitting diode having multi-cell structure and method of manufacturing the same
    Publication number: 20130134462
    Abstract: Disclosed is a light emitting diode having a multi-cell structure including a number of unit cells. The light emitting diode is capable of reducing light loss of the light emitting diode surface and improving light efficiency by bonding pads to be formed for contact between mesa etching regions for forming an electrode of the existing n-type semiconductor layers and p-type semiconductor layers. The light emitting diode is also capable of controlling chip size and manufacturing chips of different sizes from each other even when going through the same chip manufacturing process as the related art.
    Type: Application
    Filed: November 2, 2010
    Publication date: May 30, 2013
    Applicant: KOREA PHOTOTONICS TECHNOLOGY INSTITUTE
    Inventors: Sang-Mook Kim, Jong-Hyeob Baek, Kwang-Cheol Lee, Eun-Mi Yoo