Patents by Inventor Youn-joon Sung

Youn-joon Sung 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: 20190305184
    Abstract: A light emitting device can include a sapphire substrate; a first conductivity type semiconductor layer disposed on the sapphire substrate; an active layer disposed on the first conductivity type semiconductor layer; a plurality of p-type conductors disposed on the active layer, and separated from each other; a first pad disposed on the first conductivity type semiconductor layer; and a second pad disposed on the plurality of p-type conductors, in which the plurality of p-type conductors are arranged in a first direction, the second pad is spaced apart from the first pad in a second direction, the second direction is perpendicular to the first direction, each of the plurality of p-type conductors has a first width in the first direction and a second width in the second direction, the first width being less than the second width, the plurality of p-type conductors are evenly spaced apart by a first distance in the first direction, and the first distance being less than the first width of each of the plurality
    Type: Application
    Filed: June 18, 2019
    Publication date: October 3, 2019
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Yong Gyeong LEE, Min Sung KIM, Su Ik PARK, Youn Joon SUNG, Kwang Yong CHOI
  • Publication number: 20190280158
    Abstract: An embodiment discloses a semiconductor element comprising: a first conductive semiconductor layer; a second conductive semiconductor layer; an active layer arranged between the first conductive semiconductor layer and the second conductive semiconductor layer; and an electron blocking layer arranged between the second conducive semiconductor layer and the active layer, wherein the section of the first conductive semiconductor layer decreases in a first direction, the electron blocking layer has an area in which the section thereof increases in the first direction, and the first direction is defined from the first conductive semiconductor layer to the second conductive semiconductor layer.
    Type: Application
    Filed: November 24, 2017
    Publication date: September 12, 2019
    Inventors: Youn Joon SUNG, Yong Gyeong LEE, Min Sung KIM, Su Ik PARK
  • Publication number: 20190259910
    Abstract: Disclosed in one embodiment is a semiconductor device comprising: a light-emitting structure including a first conductive semiconductor layer, a second conductive semiconductor layer, and an active layer arranged between the first conductive semiconductor layer and the second conductive semiconductor layer; a first electrode electrically connected with the first conductive semiconductor layer; a second electrode electrically connected with the second conductive semiconductor layer; a reflective layer arranged on the second electrode; and a capping layer arranged on the reflective layer and including a plurality of layers, wherein the capping layer includes a first layer directly arranged on the reflective layer and the first layer includes Ti.
    Type: Application
    Filed: November 3, 2017
    Publication date: August 22, 2019
    Inventors: Youn Joon SUNG, Ki Man KANG, Min Sung KIM, Su lk PARK, Yong Gyeong LEE, Eun Dk LEE, Hyun Soo LIM
  • Publication number: 20190237623
    Abstract: An embodiment includes a semiconductor device including a semiconductor structure including a first conductive semiconductor layer, a second conductive semiconductor layer, and an active layer disposed between the first conductive semiconductor layer and the second conductive semiconductor layer; a first insulation layer disposed on the semiconductor structure; a first electrode disposed on the first conductive semiconductor layer; a second electrode disposed on the second conductive semiconductor layer; a first cover electrode disposed on the first electrode; a second cover electrode disposed on the second electrode; and a second insulation layer extending from an upper surface of the first cover electrode to an upper surface of the second cover electrode.
    Type: Application
    Filed: September 11, 2017
    Publication date: August 1, 2019
    Inventors: Youn Joon SUNG, Min Sung KIM, Eun Dk LEE
  • Patent number: 10333029
    Abstract: An embodiment relates to a light-emitting element capable of reducing the driving voltage and improving the optical output, comprising: a support substrate; a light-emitting structure which is arranged on the support substrate, and which comprises a first semiconductor layer, an active layer, and a second semiconductor layer; a plurality of connection grooves comprising bottom surfaces, which expose the second semiconductor layer through removal of the light-emitting structure, and side surfaces, which expose the first semiconductor layer, the active layer, and the second semiconductor layer; a first electrode arranged on the light-emitting structure so as to contact the first semiconductor layer, the first electrode comprising a first electrode pattern, which has ends extending to the peripheries of the connection grooves, and a second electrode pattern, which is arranged on the first electrode pattern; a contact electrode extending to the upper surface of the first semiconductor layer so as to surround the
    Type: Grant
    Filed: April 22, 2016
    Date of Patent: June 25, 2019
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Youn Joon Sung, Ji Hyung Moon, Su Ik Park
  • Publication number: 20190181300
    Abstract: An embodiment provides a semiconductor device including a light emitting structure including a first conductive semiconductor layer, a second conductive semiconductor layer, an active layer disposed between the first conductive semiconductor layer and the second conductive semiconductor layer, and a plurality of recesses passing through the second conductive semiconductor layer and the active layer and extending to a portion of the first conductive semiconductor layer; a plurality of first electrodes disposed inside the plurality of recesses and electrically connected with the first conductive semiconductor layer; and a second electrode electrically connected with the second conductive semiconductor layer, wherein a ratio of a first area of where the plurality of first electrodes are in contact with the first conductive semiconductor layer and a second area of where the second electrode is in contact with the second conductive semiconductor layer (first area:second area) ranges from 1:3 to 1:10.
    Type: Application
    Filed: June 20, 2017
    Publication date: June 13, 2019
    Inventors: Su Ik PARK, Youn Joon SUNG, Min Sung KIM, Yong Gyeong LEE, Eun Dk LEE
  • Publication number: 20190157504
    Abstract: One embodiment provides a semiconductor device comprising: a light-emitting structure which comprises a first conductive semiconductor layer, an active layer, and a second conductive semiconductor layer and also comprises first and second recesses which pass through the active layer from the second conductive semiconductor layer and extend to the first conductive semiconductor layer; a first electrode coming into contact with the first conductive semiconductor layer from the first recess; a second electrode coming into contact with the second conductive semiconductor layer; and a reflective layer formed in the second recess, wherein the second recess has an open lower part disposed on the downside of the second conductive semiconductor layer, an upper part disposed on the first conductive semiconductor layer, and a side part extending from the lower part to the upper part, and the reflective layer comprises a reflection part disposed inside the second recess and an extension part extending from the lower part
    Type: Application
    Filed: June 9, 2017
    Publication date: May 23, 2019
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Su IK PARK, Youn Joon SUNG, Yong Gyeong LEE, Min Sung KIM
  • Patent number: 10263154
    Abstract: An embodiment relates to a light-emitting device comprising: a light-emitting structure which comprises a first conductive semiconductor layer, a second conductive semiconductor layer, and an active layer disposed between the first conductive semiconductor layer and the second conductive semiconductor layer, and comprises a plurality of first recesses passing through the second conductive semiconductor layer and active layer and disposed on a part of an area of the first conductive semiconductor layer; a first electrode which is electrically connected to the first conductive semiconductor layer inside the plurality of first recesses; a conductive support substrate which is electrically connected to the first electrode; a second electrode which is electrically connected to the second conductive semiconductor layer; and an insulating layer which is disposed between the conductive support substrate and second conductive semiconductor layer, wherein a second recess passes through the first conductive semiconducto
    Type: Grant
    Filed: August 25, 2016
    Date of Patent: April 16, 2019
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Su Ik Park, Min Sung Kim, Youn Joon Sung, Yong Gyeong Lee, Kwang Yong Choi
  • Publication number: 20190088822
    Abstract: An embodiment of the present invention relates to a light emitting device capable of enhancing ohmic characteristics of a semiconductor layer and an electrode and simultaneously improving driving voltage, comprising: a support substrate; a light emitting structure which is disposed on the support substrate and comprises a first semiconductor layer, a second semiconductor layer and an active layer disposed between the first semiconductor layer and the second semiconductor layer; at least one groove which exposes the first semiconductor layer through the second semiconductor layer and the active layer; a first electrode which is disposed between the light emitting structure and the support substrate and electrically connected to the exposed first semiconductor layer; a second electrode which comprises ITO and contacts the second semiconductor layer; and a capping layer which is electrically connected, between the first electrode and the light emitting structure, to the second electrode, wherein the capping laye
    Type: Application
    Filed: March 8, 2017
    Publication date: March 21, 2019
    Inventors: Kwang Yong CHOI, Min Sung KIM, Su Ik PARK, Youn Joon SUNG, Yong Gyeong LEE
  • Patent number: 10236417
    Abstract: An embodiment relates to a light-emitting element that easily dissipates heat through a pad and has a uniform heat distribution, the light-emitting element including a light-emitting structure that includes a first semiconductor layer, an active layer, and a second semiconductor layer; a first electrode that is formed on one side of the light-emitting structure and includes a plurality of contact parts electrically connected with the first semiconductor layer; a second electrode formed on the one side of the light-emitting structure and electrically connected with the second semiconductor layer; a first pad connected with the first electrode; and a second pad spaced apart from the first pad and connected with the second electrode, wherein the plurality of contact parts are arranged on the first and second pads.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: March 19, 2019
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Woo Sik Lim, Min Sung Kim, Eun Woo Ro, Su Ik Park, Youn Joon Sung, Kwang Yong Choi
  • Publication number: 20190067524
    Abstract: Disclosed herein is a semiconductor device including: a semiconductor structure including a first conductive semiconductor layer, a second conductive semiconductor layer, and an active layer interposed between the first conductive semiconductor layer and the second conductive semiconductor layer; a first insulating layer disposed on the semiconductor structure; a first electrode disposed on the first conductive semiconductor layer through a first hole of the first insulating layer; a second electrode disposed on the second conductive semiconductor layer through a second hole of the first insulating layer; a first cover electrode disposed on the first electrode; and a second cover electrode disposed on the second electrode, wherein the second cover electrode includes a plurality of pads, and a connecting portion configured to connect the plurality of pads, a width of the connecting portion is smallest at a central position between the adjacent pads, and an area ratio between the second cover electrode and the
    Type: Application
    Filed: August 24, 2018
    Publication date: February 28, 2019
    Inventors: Youn Joon SUNG, Rak Jun CHOI
  • Publication number: 20190051797
    Abstract: The embodiment discloses a semiconductor device which includes: a light emitting structure including a first conductive semiconductor layer, a second conductive semiconductor layer, and an active layer; a first electrode electrically connected to the first conductive semiconductor layer; a second electrode electrically connected to the second conductive semiconductor layer; a first cover electrode disposed on the first electrode; and an insulation layer disposed between the first electrode and the second electrode, wherein the insulation layer comprises a first insulation portion disposed between the first conductive semiconductor layer and the first cover electrode, and a second insulation portion disposed on the first cover electrode, wherein the first cover electrode comprises a first protrusion portion disposed between an upper surface of the first insulation portion and a lower surface of the second insulation portion.
    Type: Application
    Filed: August 10, 2018
    Publication date: February 14, 2019
    Inventors: Youn Joon SUNG, Jin Soo PARK, Rak Jun CHOI
  • Publication number: 20190013439
    Abstract: One embodiment comprises: a substrate; a first conductive semiconductor layer disposed on the substrate; a second conductive semiconductor layer disposed on the first conductive semiconductor layer; and an active layer disposed between the first conductive semiconductor layer and the second conductive semiconductor layer, wherein the first conductive semiconductor layer comprises a first area where a partial area of the first conductive semiconductor layer is exposed, and comprises an inclination part which is disposed between the upper surface of the first area and the upper surface of the second conductive semiconductor layer, wherein the inclination part comprises a first edge making contact with the upper surface of the second conductive semiconductor layer, and a second edge making contact with the upper surface of the first area of the first conductive semiconductor layer, wherein the ratio of a first length to a second length is 1:0.87 to 1:4.
    Type: Application
    Filed: December 28, 2016
    Publication date: January 10, 2019
    Inventors: Youn Joon SUNG, Yong Gyeong LEE, Kwang Yong CHOI
  • Publication number: 20180226542
    Abstract: An embodiment relates to a light-emitting device comprising: a light-emitting structure which comprises a first conductive semiconductor layer, a second conductive semiconductor layer, and an active layer disposed between the first conductive semiconductor layer and the second conductive semiconductor layer, and comprises a plurality of first recesses passing through the second conductive semiconductor layer and active layer and disposed on a part of an area of the first conductive semiconductor layer; a first electrode which is electrically connected to the first conductive semiconductor layer inside the plurality of first recesses; a conductive support substrate which is electrically connected to the first electrode; a second electrode which is electrically connected to the second conductive semiconductor layer; and an insulating layer which is disposed between the conductive support substrate and second conductive semiconductor layer, wherein a second recess passes through the first conductive semiconducto
    Type: Application
    Filed: August 25, 2016
    Publication date: August 9, 2018
    Inventors: Su Ik PARK, Min Sung KIM, Youn Joon SUNG, Yong Gyeong LEE, Kwang Yong CHOI
  • Publication number: 20180226541
    Abstract: An embodiment provides a light emitting element comprising: a light emitting structure including a first conductive semiconductor layer, an active layer on the first conductive semiconductor layer, and a second conductive semiconductor layer on the active layer; a plurality of conductor layers selectively arranged on the second conductive semiconductor layer; and a reflective electrode disposed on the conductor layers and the second conductive semiconductor layer.
    Type: Application
    Filed: July 29, 2016
    Publication date: August 9, 2018
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Yong Gyeong LEE, Min Sung KIM, Su Ik PARK, Youn Joon SUNG, Kwang Yong CHOI
  • Publication number: 20180219133
    Abstract: Embodiments disclose a light-emitting device including a light-emitting structure including a first conductive semiconductor layer, a second conductive semiconductor layer, an active layer disposed between the first conductive semiconductor layer and the second conductive semiconductor layer, and a first recess and a second recess passing through the second conductive semiconductor layer and the active layer and disposed up to a partial region of the first conductive semiconductor layer, a connection electrode disposed inside the first recess and electrically connected to the first conductive semiconductor layer, a reflective layer disposed inside the second recess, and an insulation layer configured to electrically insulate the reflective layer and the light-emitting structure, and a light-emitting device package including the same.
    Type: Application
    Filed: August 25, 2016
    Publication date: August 2, 2018
    Inventors: Su Ik PARK, Min Sung KIM, Youn Joon SUNG, Yong Gyeong LEE, Kwang Yong CHOI
  • Publication number: 20180190870
    Abstract: A light-emitting device according to the present invention comprises: a light-emitting structure comprising a first conductive semiconductor layer, an active layer, and a second conductive semiconductor layer; a second electrode layer coupled to the second conductive semiconductor layer at the bottom of the light-emitting structure; and a plurality of first electrode layers coupled to the first conductive semiconductor layer through penetration of the light-emitting structure at preset intervals.
    Type: Application
    Filed: June 30, 2016
    Publication date: July 5, 2018
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Youn Joon SUNG, Su Ik PARK
  • Publication number: 20180182920
    Abstract: An embodiment provides a light emitting element comprising: a first conductive semiconductor layer including a first layer and a second layer; an active layer on the first conductive semiconductor layer; a second conductive semiconductor layer on the active layer; and a first electrode and a second electrode arranged on the first conductive semiconductor layer and the second conductive semiconductor layer, respectively, wherein the first layer includes a plurality of first grooves, and a growth prevention layer is arranged on the bottom surface and side surfaces of each of the first grooves.
    Type: Application
    Filed: July 4, 2016
    Publication date: June 28, 2018
    Inventor: Youn Joon SUNG
  • Publication number: 20180175249
    Abstract: A light-emitting diode according to the present invention comprises: a light-emitting structure which includes a first conductive semiconductor layer, an active layer and a second conductive semiconductor layer; passivation layer which protects the light-emitting structure; and a metal layer formed, between the light-emitting structure and the passivation layer, on the light-emitting structure, wherein a distance between the passivation layer and the metal layer is 4 to 12 times greater than the thickness of the passivation layer.
    Type: Application
    Filed: July 7, 2016
    Publication date: June 21, 2018
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Youn Joon SUNG, Sung Ho JUNG
  • Publication number: 20180138366
    Abstract: An embodiment relates to a light-emitting element capable of reducing the driving voltage and improving the optical output, comprising: a support substrate; a light-emitting structure which is arranged on the support substrate, and which comprises a first semiconductor layer, an active layer, and a second semiconductor layer; a plurality of connection grooves comprising bottom surfaces, which expose the second semiconductor layer through removal of the light-emitting structure, and side surfaces, which expose the first semiconductor layer, the active layer, and the second semiconductor layer; a first electrode arranged on the light-emitting structure so as to contact the first semiconductor layer, the first electrode comprising a first electrode pattern, which has ends extending to the peripheries of the connection grooves, and a second electrode pattern, which is arranged on the first electrode pattern; a contact electrode extending to the upper surface of the first semiconductor layer so as to surround the
    Type: Application
    Filed: April 22, 2016
    Publication date: May 17, 2018
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Youn Joon SUNG, Ji Hyung MOON, Su Ik PARK