Patents by Inventor Jeong Hyeon Choi

Jeong Hyeon Choi 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).

  • Publication number: 20140117400
    Abstract: A light emitting device may be provided that includes a conductive support member, a first conductive layer, a second conductive layer, an insulation layer between the first conductive layer and the second conductive layer, and a light emitting structure that includes a second semiconductor layer on the second conductive layer, a first semiconductor layer, and an active layer between the first semiconductor layer and the second semiconductor layer. The first conductive layer may include at least one conductive via that passes through the second conductive layer, the second semiconductor layer and the active layer. A top surface of the at least one conductive via is provided into the first semiconductor layer. The insulation layer may substantially surround a side wall of the conductive via.
    Type: Application
    Filed: January 8, 2014
    Publication date: May 1, 2014
    Inventors: Jeong Hyeon CHOI, Hyun Kyong CHO, Bock Kee MIN
  • Patent number: 8680560
    Abstract: A light emitting device (LED) and Package of the same are provided. The LED comprises a first conductivity type semiconductor layer, an active layer, a second conductivity type semiconductor layer, a first dielectric layer, and a first electrode layer. The first conductivity type semiconductor layer, the active layer, and the second conductivity type semiconductor layer are on a substrate. The first dielectric layer covers the edges of the second conductivity type semiconductor layer and the active layer. The first electrode layer covers the edge of the first conductivity type semiconductor layer.
    Type: Grant
    Filed: June 5, 2009
    Date of Patent: March 25, 2014
    Assignee: LG Innotek Co., Ltd.
    Inventors: Jeong Hyeon Choi, Jeung Mo Kang, Du Hyun Kim, Jae Wook Kim
  • Patent number: 8643042
    Abstract: A light emitting device may be provided that includes a conductive support member, a first conductive layer, a second conductive layer, an insulation layer between the first conductive layer and the second conductive layer, and a light emitting structure that includes a second semiconductor layer on the second conductive layer, a first semiconductor layer, and an active layer between the first semiconductor layer and the second semiconductor layer. The first conductive layer may include at least one conductive via that passes through the second conductive layer, the second semiconductor layer and the active layer. A top surface of the at least one conductive via is provided into the first semiconductor layer. The insulation layer may substantially surround a side wall of the conductive via. The first surface of the first semiconductor layer may include a first surface area, a second surface area and a recess having a bottom surface.
    Type: Grant
    Filed: July 8, 2011
    Date of Patent: February 4, 2014
    Assignee: LG Innotek Co., Ltd.
    Inventors: Jeong Hyeon Choi, Hyun Kyong Cho, Bock Kee Min
  • Patent number: 8552443
    Abstract: Provided are a light emitting device, a light emitting device package and a lighting system comprising the same. The light emitting device comprises a light emitting structure comprising a first conductive type semiconductor layer, an active layer, and a second conductive type semiconductor layer, and an anti-reflection region on a lateral surface of the light emitting structure.
    Type: Grant
    Filed: February 19, 2010
    Date of Patent: October 8, 2013
    Assignee: LG Innotek Co., Ltd.
    Inventors: Jeong Hyeon Choi, Jae Wook Kim, Jeung Mo Kang, Du Hyun Kim
  • Patent number: 8382305
    Abstract: A backlight unit includes a bottom cover; a light emitting module on the bottom cover and including a substrate and a plurality of light emitting devices, each light emitting device including a light emitting structure having a first conductive semiconductor layer, an active layer and a second conductive semiconductor layer; and a light guide member on the light emitting module and including at least one insertion cavity into which at least one of the plurality of light emitting devices is inserted, wherein the at least one insertion cavity is opened only on one side.
    Type: Grant
    Filed: October 1, 2010
    Date of Patent: February 26, 2013
    Assignee: LG Innotek Co., Ltd.
    Inventors: Jeung Mo Kang, Du Hyun Kim, Jae Wook Kim, Jeong Hyeon Choi
  • Publication number: 20120007118
    Abstract: A light emitting device may be provided that includes a conductive support member, a first conductive layer, a second conductive layer, an insulation layer between the first conductive layer and the second conductive layer, and a light emitting structure that includes a second semiconductor layer on the second conductive layer, a first semiconductor layer, and an active layer between the first semiconductor layer and the second semiconductor layer. The first conductive layer may include at least one conductive via that passes through the second conductive layer, the second semiconductor layer and the active layer. A top surface of the at least one conductive via is provided into the first semiconductor layer. The insulation layer may substantially surround a side wall of the conductive via. The first surface of the first semiconductor layer may include a first surface area, a second surface area and a recess having a bottom surface.
    Type: Application
    Filed: July 8, 2011
    Publication date: January 12, 2012
    Inventors: Jeong Hyeon Choi, Hyun Kyong Cho, Bock Kee Min
  • Publication number: 20110164402
    Abstract: A backlight unit includes a bottom cover; a light emitting module on the bottom cover and including a substrate and a plurality of light emitting devices, each light emitting device including a light emitting structure having a first conductive semiconductor layer, an active layer and a second conductive semiconductor layer; and a light guide member on the light emitting module and including at least one insertion cavity into which at least one of the plurality of light emitting devices is inserted, wherein the at least one insertion cavity is opened only on one side.
    Type: Application
    Filed: October 1, 2010
    Publication date: July 7, 2011
    Inventors: Jeung Mo KANG, Du Hyun Kim, Jae Wook Kim, Jeong Hyeon Choi
  • Publication number: 20110133221
    Abstract: A light emitting device (LED) and Package of the same are provided. The LED comprises a first conductivity type semiconductor layer, an active layer, a second conductivity type semiconductor layer, a first dielectric layer, and a first electrode layer. The first conductivity type semiconductor layer, the active layer, and the second conductivity type semiconductor layer are on a substrate. The first dielectric layer covers the edges of the second conductivity type semiconductor layer and the active layer. The first electrode layer covers the edge of the first conductivity type semiconductor layer.
    Type: Application
    Filed: June 5, 2009
    Publication date: June 9, 2011
    Inventors: Jeong Hyeon Choi, Jeung Mo Kang, Du Hyun Kim, Jae Wook Kim
  • Publication number: 20100224899
    Abstract: Provided are a light emitting device, a light emitting device package and a lighting system including the same. The light emitting device (LED) comprises a substrate, a second conductive type semiconductor layer, an active layer, a first conductive type semiconductor layer and a first electrode. The vertical distances between the first conductive type semiconductor layer and the second conductive type semiconductor layer are varied.
    Type: Application
    Filed: March 3, 2010
    Publication date: September 9, 2010
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Jeung Mo Kang, Du Hyun Kim, Jae Wook Kim, Jeong Hyeon Choi
  • Publication number: 20100213488
    Abstract: Provided are a light emitting device, a light emitting device package and a lighting system comprising the same. The light emitting device comprises a light emitting structure comprising a first conductive type semiconductor layer, an active layer, and a second conductive type semiconductor layer, and an anti-reflection region on a lateral surface of the light emitting structure.
    Type: Application
    Filed: February 19, 2010
    Publication date: August 26, 2010
    Inventors: Jeong Hyeon CHOI, Jae Wook Kim, Jeung Mo Kang, Du Hyun Kim