Patents by Inventor Sung-Su Son

Sung-Su Son 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).

  • Patent number: 10700249
    Abstract: Provided are a light emitting device and a method of fabricating the same. The light emitting device includes: a light emitting structure including a first conductivity type semiconductor layer, a second conductivity type semiconductor layer, and an active layer and including a first surface and a second surface; first and second contact electrodes each ohmic-contacting the first and second conductivity type semiconductor layers; and first and second electrodes disposed on the first surface of the light emitting structure, in which the first and second electrodes each include sintered metal particles and the first and second electrodes each include inclined sides of which the tangential gradients with respect to sides of vertical cross sections thereof are changing.
    Type: Grant
    Filed: December 26, 2017
    Date of Patent: June 30, 2020
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Chang Yeon Kim, Ju Yong Park, Sung Su Son
  • Patent number: 10580950
    Abstract: Disclosed herein is a light emitting device manufactured by separating a growth substrate in a wafer level. The light emitting device includes: a base; a light emitting structure disposed on the base; and a plurality of second contact electrodes disposed between the base and the light emitting structure, wherein the base includes at least two bulk electrodes electrically connected to the light emitting structure and an insulation support disposed between the bulk electrodes and enclosing the bulk electrodes, the insulation support and the bulk electrodes each including concave parts and convex parts engaged with each other on surfaces facing each other, and the convex parts including a section in which a width thereof is changed in a protrusion direction.
    Type: Grant
    Filed: April 16, 2018
    Date of Patent: March 3, 2020
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Jong Hyeon Chae, Chang Yeon Kim, Sung Su Son, Dae Woong Suh
  • Publication number: 20200028046
    Abstract: A display device and a manufacturing method thereof, wherein the display device includes a light emitting diode chip, including: a light emitting structure which includes a first conductive semiconductor layer, a second conductive semiconductor layer, and an active layer interposed between the first and second conductive semiconductor layers; a second electrode which is electrically connected to the second conductive semiconductor layer; an insulation unit which is disposed to cover a part of the top surface of the second electrode and side surfaces of the light emitting structure; and a second fixed part which covers the top surface of the insulation unit and is electrically connected to the second electrode, and at least a part of which extends to the side surfaces of the light emitting structure.
    Type: Application
    Filed: March 7, 2018
    Publication date: January 23, 2020
    Applicant: Seoul Semiconductor Co., Ltd.
    Inventors: Young Hyun KIM, Motonobu TAKEYA, Jong Ik LEE, Sung Su Son
  • Patent number: 10403796
    Abstract: A light emitting device and a method of fabricating the same. The light emitting device includes: a light emitting structure including a first conductive type semiconductor layer, a second conductive type semiconductor layer, an active layer, and a partially exposed region of an upper surface of the first conductive type semiconductor layer; a transparent electrode disposed on the second conductive type semiconductor layer; a first insulation layer including a first opening and a second opening; a metal layer at least partially covering the first insulation layer; a first electrode electrically connected to the first conductive type semiconductor layer; and a second electrode electrically connected to the transparent electrode.
    Type: Grant
    Filed: October 15, 2015
    Date of Patent: September 3, 2019
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Chang Yeon Kim, Ju Yong Park, Sung Su Son
  • Patent number: 10283685
    Abstract: Provided are a light emitting device and a method of fabricating the same. The light emitting device includes: a light emitting structure including a first conductivity type semiconductor layer, a second conductivity type semiconductor layer, and an active layer and including a first surface and a second surface; first and second contact electrodes each ohmic-contacting the first and second conductivity type semiconductor layers; and first and second electrodes disposed on the first surface of the light emitting structure, in which the first and second electrodes each include sintered metal particles and the first and second electrodes each include inclined sides of which the tangential gradients with respect to sides of vertical cross sections thereof are changing.
    Type: Grant
    Filed: September 14, 2015
    Date of Patent: May 7, 2019
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Chang Yeon Kim, Ju Yong Park, Sung Su Son
  • Patent number: 10249798
    Abstract: A light emitting device includes a light emitting structure including a support structure including a first bulk electrode a second bulk electrode disposed on and electrically connected to the first electrode and the second electrode, respectively. A substrate is disposed adjacent to the support structure, wherein each of the first and second bulk electrodes includes an upper region and a lower region with the upper regions of the first and second bulk electrodes being separated from each other by a first distance. The substrate includes a first interconnection portion and a second interconnection portion electrically connected to the first bulk electrode and the second bulk electrode, respectively, and separated from each other by a second distance. The second distance is greater than the first distance.
    Type: Grant
    Filed: August 23, 2016
    Date of Patent: April 2, 2019
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Chang Yeon Kim, Sung Su Son, Joon Sup Lee, Jong Hyeon Chae
  • Publication number: 20180309029
    Abstract: A light emitting device and a method of fabricating the same. The light emitting device includes: a light emitting structure including a first conductive type semiconductor layer, a second conductive type semiconductor layer, an active layer, and a partially exposed region of an upper surface of the first conductive type semiconductor layer; a transparent electrode disposed on the second conductive type semiconductor layer; a first insulation layer including a first opening and a second opening; a metal layer at least partially covering the first insulation layer; a first electrode electrically connected to the first conductive type semiconductor layer; and a second electrode electrically connected to the transparent electrode.
    Type: Application
    Filed: October 15, 2015
    Publication date: October 25, 2018
    Inventors: Chang Yeon Kim, Ju Yong Park, Sung Su Son
  • Publication number: 20180233645
    Abstract: Disclosed herein is a light emitting device manufactured by separating a growth substrate in a wafer level. The light emitting device includes: a base; a light emitting structure disposed on the base; and a plurality of second contact electrodes disposed between the base and the light emitting structure, wherein the base includes at least two bulk electrodes electrically connected to the light emitting structure and an insulation support disposed between the bulk electrodes and enclosing the bulk electrodes, the insulation support and the bulk electrodes each including concave parts and convex parts engaged with each other on surfaces facing each other, and the convex parts including a section in which a width thereof is changed in a protrusion direction.
    Type: Application
    Filed: April 16, 2018
    Publication date: August 16, 2018
    Inventors: Jong Hyeon Chae, Chang Yeon Kim, Sung Su Son, Dae Woong Suh
  • Publication number: 20180226554
    Abstract: Disclosed herein is a light emitting device. The light emitting device is provided to include a light emitting structure, a first electrode pad, a second electrode pad and a heat dissipation pad, and a substrate on which the light emitting diode is mounted. The substrate includes a base; an insulation pattern formed on the base; and a conductive pattern disposed on the insulation pattern. The base includes a post and a groove separating the post from the conductive pattern. An upper surface of the post is placed lower than an upper surface of the conductive pattern, the heat dissipation pad contacts the upper surface of the post, and the first electrode pad and the second electrode pad contact the conductive pattern. With this structure, the light emitting device has excellent properties in terms of electrical stability and heat dissipation efficiency.
    Type: Application
    Filed: April 3, 2018
    Publication date: August 9, 2018
    Inventors: So Ra Lee, Chang Yeon Kim, Ju Yong Park, Sung Su Son
  • Publication number: 20180204991
    Abstract: Provided are a light emitting device and a method of fabricating the same. The light emitting device includes: a light emitting structure including a first conductivity type semiconductor layer, a second conductivity type semiconductor layer, and an active layer and including a first surface and a second surface; first and second contact electrodes each ohmic-contacting the first and second conductivity type semiconductor layers; and first and second electrodes disposed on the first surface of the light emitting structure, in which the first and second electrodes each include sintered metal particles and the first and second electrodes each include inclined sides of which the tangential gradients with respect to sides of vertical cross sections thereof are changing.
    Type: Application
    Filed: December 26, 2017
    Publication date: July 19, 2018
    Inventors: Chang Yeon Kim, Ju Yong Park, Sung Su Son
  • Patent number: 9960318
    Abstract: A light emitting diode includes a light emitting structure including first and second conductive type semiconductor layers, an active layer, a first electrode electrically connected to the first conductive type semiconductor layer, a current blocking layer disposed on a lower surface of the light emitting structure, and a second electrode electrically connected to the second conductive type semiconductor layer. The second electrode includes a first reflective metal layer adjoining the second conductive type semiconductor layer, and a second reflective metal layer covering a lower surface of the current blocking layer and a lower surface of the first reflective metal layer, and adjoining the second conductive type semiconductor layer. A contact resistance between the second reflective metal layer and the second conductive type semiconductor layer is higher than a contact resistance between the first reflective metal layer and the second conductive type semiconductor layer.
    Type: Grant
    Filed: October 7, 2016
    Date of Patent: May 1, 2018
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Tae Gyun Kim, Joon Hee Lee, Ki Hyun Kim, Sung Su Son
  • Patent number: 9947849
    Abstract: Disclosed herein is a light emitting device manufactured by separating a growth substrate in a wafer level. The light emitting device includes: a base; a light emitting structure disposed on the base; and a plurality of second contact electrodes disposed between the base and the light emitting structure, wherein the base includes at least two bulk electrodes electrically connected to the light emitting structure and an insulation support disposed between the bulk electrodes and enclosing the bulk electrodes, the insulation support and the bulk electrodes each including concave parts and convex parts engaged with each other on surfaces facing each other, and the convex parts including a section in which a width thereof is changed in a protrusion direction.
    Type: Grant
    Filed: December 15, 2016
    Date of Patent: April 17, 2018
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Jong Hyeon Chae, Chang Yeon Kim, Sung Su Son, Dae Woong Suh
  • Patent number: 9941455
    Abstract: Disclosed herein is a light emitting device. The light emitting device is provided to include a light emitting structure, a first electrode pad, a second electrode pad and a heat dissipation pad, and a substrate on which the light emitting diode is mounted. The substrate includes a base; an insulation pattern formed on the base; and a conductive pattern disposed on the insulation pattern. The base includes a post and a groove separating the post from the conductive pattern. An upper surface of the post is placed lower than an upper surface of the conductive pattern, the heat dissipation pad contacts the upper surface of the post, and the first electrode pad and the second electrode pad contact the conductive pattern. With this structure, the light emitting device has excellent properties in terms of electrical stability and heat dissipation efficiency.
    Type: Grant
    Filed: February 8, 2017
    Date of Patent: April 10, 2018
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: So Ra Lee, Chang Yeon Kim, Ju Yong Park, Sung Su Son
  • Publication number: 20170279020
    Abstract: Provided are a light emitting device and a method of fabricating the same. The light emitting device includes: a light emitting structure including a first conductivity type semiconductor layer, a second conductivity type semiconductor layer, and an active layer and including a first surface and a second surface; first and second contact electrodes each ohmic-contacting the first and second conductivity type semiconductor layers; and first and second electrodes disposed on the first surface of the light emitting structure, in which the first and second electrodes each include sintered metal particles and the first and second electrodes each include inclined sides of which the tangential gradients with respect to sides of vertical cross sections thereof are changing.
    Type: Application
    Filed: September 14, 2015
    Publication date: September 28, 2017
    Inventors: Chang Yeon KIM, Ju Yong PARK, Sung Su SON
  • Patent number: 9728698
    Abstract: Exemplary embodiments provide a light emitting diode and a method for manufacturing the same. The light emitting diode includes a light emitting structure, a plurality of holes formed through a second conductive type semiconductor layer and an active layer such that a first conductive type semiconductor layer is partially exposed therethrough, and a first electrode and a second electrode electrically connected to the first conductive type semiconductor layer and the second conductive type semiconductor layer, respectively, while being insulated from each other. The second electrode includes openings corresponding to the plurality of holes, a plurality of unit electrode layers separated from each other, and at least one connection layer electrically connecting at least two unit electrode layers to each other. The first electrode forms ohmic contact with the first conductive type semiconductor layer through the plurality of holes and partially covers the light emitting structure.
    Type: Grant
    Filed: June 3, 2015
    Date of Patent: August 8, 2017
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: So Ra Lee, Chang Yeon Kim, Ju Yong Park, Sung Su Son
  • Publication number: 20170148968
    Abstract: Disclosed herein is a light emitting device. The light emitting device is provided to include a light emitting structure, a first electrode pad, a second electrode pad and a heat dissipation pad, and a substrate on which the light emitting diode is mounted. The substrate includes a base; an insulation pattern formed on the base; and a conductive pattern disposed on the insulation pattern. The base includes a post and a groove separating the post from the conductive pattern. An upper surface of the post is placed lower than an upper surface of the conductive pattern, the heat dissipation pad contacts the upper surface of the post, and the first electrode pad and the second electrode pad contact the conductive pattern. With this structure, the light emitting device has excellent properties in terms of electrical stability and heat dissipation efficiency.
    Type: Application
    Filed: February 8, 2017
    Publication date: May 25, 2017
    Inventors: So Ra Lee, Chang Yeon Kim, Ju Yong Park, Sung Su Son
  • Publication number: 20170098747
    Abstract: Disclosed herein is a light emitting device manufactured by separating a growth substrate in a wafer level. The light emitting device includes: a base; a light emitting structure disposed on the base; and a plurality of second contact electrodes disposed between the base and the light emitting structure, wherein the base includes at least two bulk electrodes electrically connected to the light emitting structure and an insulation support disposed between the bulk electrodes and enclosing the bulk electrodes, the insulation support and the bulk electrodes each including concave parts and convex parts engaged with each other on surfaces facing each other, and the convex parts including a section in which a width thereof is changed in a protrusion direction.
    Type: Application
    Filed: December 15, 2016
    Publication date: April 6, 2017
    Inventors: Jong Hyeon Chae, Chang Yeon Kim, Sung Su Son, Dae Woong Suh
  • Patent number: 9577171
    Abstract: Disclosed herein is a light emitting device. The light emitting device is provided to include a light emitting structure, a first electrode pad, a second electrode pad and a heat dissipation pad, and a substrate on which the light emitting diode is mounted. The substrate includes a base; an insulation pattern formed on the base; and a conductive pattern disposed on the insulation pattern. The base includes a post and a groove separating the post from the conductive pattern. An upper surface of the post is placed lower than an upper surface of the conductive pattern, the heat dissipation pad contacts the upper surface of the post, and the first electrode pad and the second electrode pad contact the conductive pattern. With this structure, the light emitting device has excellent properties in terms of electrical stability and heat dissipation efficiency.
    Type: Grant
    Filed: September 18, 2015
    Date of Patent: February 21, 2017
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: So Ra Lee, Chang Yeon Kim, Ju Yong Park, Sung Su Son
  • Publication number: 20170025571
    Abstract: A light emitting diode includes a light emitting structure including first and second conductive type semiconductor layers, an active layer, a first electrode electrically connected to the first conductive type semiconductor layer, a current blocking layer disposed on a lower surface of the light emitting structure, and a second electrode electrically connected to the second conductive type semiconductor layer. The second electrode includes a first reflective metal layer adjoining the second conductive type semiconductor layer, and a second reflective metal layer covering a lower surface of the current blocking layer and a lower surface of the first reflective metal layer, and adjoining the second conductive type semiconductor layer. A contact resistance between the second reflective metal layer and the second conductive type semiconductor layer is higher than a contact resistance between the first reflective metal layer and the second conductive type semiconductor layer.
    Type: Application
    Filed: October 7, 2016
    Publication date: January 26, 2017
    Inventors: Tae Gyun KIM, Joon Hee Lee, Ki Hyun Kim, Sung Su Son
  • Patent number: 9543488
    Abstract: Disclosed herein is a light emitting device manufactured by separating a growth substrate in a wafer level. The light emitting device includes: a base; a light emitting structure disposed on the base; and a plurality of second contact electrodes disposed between the base and the light emitting structure, wherein the base includes at least two bulk electrodes electrically connected to the light emitting structure and an insulation support disposed between the bulk electrodes and enclosing the bulk electrodes, the insulation support and the bulk electrodes each including concave parts and convex parts engaged with each other on surfaces facing each other, and the convex parts including a section in which a width thereof is changed in a protrusion direction.
    Type: Grant
    Filed: June 23, 2015
    Date of Patent: January 10, 2017
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Jong Hyeon Chae, Chang Yeon Kim, Sung Su Son, Dae Woong Suh