Patents by Inventor Buem Yeon LEE

Buem Yeon LEE 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 package having LED disposed in lead frame cavities
    Patent number: 9882104
    Abstract: Disclosed are a light emitting device package and a lighting system. The light emitting device package includes a first cavity in a first region of the body; a second cavity in a second region of the body; first and second lead frames spaced apart from each other in the first cavity; a third lead frame spaced apart from the second lead frame in the second cavity; a first light emitting device on the first and second lead frames in the first cavity; a second light emitting device on the second and third lead frames in the second cavity; and a molding member in the first and second cavities.
    Type: Grant
    Filed: January 15, 2014
    Date of Patent: January 30, 2018
    Assignee: LG INNOTEK CO., LTD
    Inventor: Buem Yeon Lee
  • Light emitting device and light emitting device package having the same
    Patent number: 9548416
    Abstract: Disclosed is a light emitting device. The light emitting device includes a nano-structure, a first semiconductor layer on the nano-structure, an active layer on the first semiconductor layer, and a second conductive semiconductor layer on the active layer. The nano-structure includes a graphene layer disposed under the first semiconductor layer to make contact with the first semiconductor layer; and a plurality of nano-textures extending from a top surface of the graphene layer to the first semiconductor layer and contacted with the first semiconductor layer.
    Type: Grant
    Filed: October 28, 2015
    Date of Patent: January 17, 2017
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Jae-Hoon Choi, Buem Yeon Lee, Ki Young Song, Rak Jun Choi
  • LIGHT EMITTING DEVICE AND LIGHT EMITTING DEVICE PACKAGE HAVING THE SAME
    Publication number: 20160049545
    Abstract: Disclosed is a light emitting device. The light emitting device includes a nano-structure, a first semiconductor layer on the nano-structure, an active layer on the first semiconductor layer, and a second conductive semiconductor layer on the active layer. The nano-structure includes a graphene layer disposed under the first semiconductor layer to make contact with the first semiconductor layer; and a plurality of nano-textures extending from a top surface of the graphene layer to the first semiconductor layer and contacted with the first semiconductor layer.
    Type: Application
    Filed: October 28, 2015
    Publication date: February 18, 2016
    Inventors: Jae Hoon CHOI, Buem Yeon LEE, Ki Young SONG, Rak Jun CHOI CHOI
  • Light emitting device and light emitting device package having the same
    Patent number: 9202970
    Abstract: A light emitting device includes a nano-structure, a first semiconductor layer on the nano-structure, an active layer on the first semiconductor layer, and a second conductive semiconductor layer on the active layer. The nano-structure includes a graphene layer provided under the first semiconductor layer to make contact with the first semiconductor layer; and a plurality of nano-textures extending from a top surface of the graphene layer to the first semiconductor layer and in contact with the first semiconductor layer.
    Type: Grant
    Filed: October 17, 2013
    Date of Patent: December 1, 2015
    Assignee: LG Innotek Co., Ltd.
    Inventors: Jae Hoon Choi, Buem Yeon Lee, Ki Young Song, Rak Joon Choi
  • LIGHT EMITTING DEVICE PACKAGE HAVING LED DISPOSED IN LEAD FRAME CAVITIES
    Publication number: 20140124801
    Abstract: Disclosed are a light emitting device package and a lighting system. The light emitting device package includes a first cavity in a first region of the body; a second cavity in a second region of the body; first and second lead frames spaced apart from each other in the first cavity; a third lead frame spaced apart from the second lead frame in the second cavity; a first light emitting device on the first and second lead frames in the first cavity; a second light emitting device on the second and third lead frames in the second cavity; and a molding member in the first and second cavities.
    Type: Application
    Filed: January 15, 2014
    Publication date: May 8, 2014
    Inventor: Buem Yeon LEE
  • LIGHT EMITTING DEVICE AND LIGHT EMITTING DEVICE PACKAGE HAVING THE SAME
    Publication number: 20140110663
    Abstract: A light emitting device includes a nano-structure, a first semiconductor layer on the nano-structure, an active layer on the first semiconductor layer, and a second conductive semiconductor layer on the active layer. The nano-structure includes a graphene layer provided under the first semiconductor layer to make contact with the first semiconductor layer; and a plurality of nano-textures extending from a top surface of the graphene layer to the first semiconductor layer and in contact with the first semiconductor layer.
    Type: Application
    Filed: October 17, 2013
    Publication date: April 24, 2014
    Inventors: Jae Hoon CHOI, Buem Yeon Lee, Ki Young Song, Rak Jun Choi
  • LIGHT EMITTING DEVICE PACKAGE AND LIGHTING SYSTEM INCLUDING THE SAME
    Publication number: 20130062632
    Abstract: Disclosed are a light emitting device package and a lighting system in which the light emitting device package includes a first cavity in a first region of the body, a second cavity in a second region of the body, first and second lead frames spaced apart from each other in the first cavity, a third lead frame spaced apart from the second lead frame in the second cavity, a first light emitting device on the first and second lead frames in the first cavity, a second light emitting device on the second and third lead frames in the second cavity, and a molding member in the first and second cavities.
    Type: Application
    Filed: December 14, 2011
    Publication date: March 14, 2013
    Applicant: LG INNOTEK CO., LTD.
    Inventor: Buem Yeon LEE