Patents by Inventor Sang Yeob Song

Sang Yeob Song 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: 10038127
    Abstract: A semiconductor light-emitting device, and a method of manufacturing the same. The semiconductor light-emitting device includes a first electrode layer, an insulating layer, a second electrode layer, a second semiconductor layer, an active layer, and a first semiconductor layer that are sequentially stacked on a substrate, a first contact that passes through the substrate to be electrically connected to the first electrode layer, and a second contact that passes through the substrate, the first electrode layer, and the insulating layer to communicate with the second electrode layer. The first electrode layer is electrically connected to the first semiconductor layer by filling a contact hole that passes through the second electrode layer, the second semiconductor layer, and the active layer, and the insulating layer surrounds an inner circumferential surface of the contact hole to insulate the first electrode layer from the second electrode layer.
    Type: Grant
    Filed: April 21, 2017
    Date of Patent: July 31, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jong-in Yang, Tae-hyung Kim, Si-hyuk Lee, Sang-yeob Song, Cheol-soo Sone, Hak-hwan Kim, Jin-hyun Lee
  • Publication number: 20170229626
    Abstract: A semiconductor light-emitting device, and a method of manufacturing the same. The semiconductor light-emitting device includes a first electrode layer, an insulating layer, a second electrode layer, a second semiconductor layer, an active layer, and a first semiconductor layer that are sequentially stacked on a substrate, a first contact that passes through the substrate to be electrically connected to the first electrode layer, and a second contact that passes through the substrate, the first electrode layer, and the insulating layer to communicate with the second electrode layer. The first electrode layer is electrically connected to the first semiconductor layer by filling a contact hole that passes through the second electrode layer, the second semiconductor layer, and the active layer, and the insulating layer surrounds an inner circumferential surface of the contact hole to insulate the first electrode layer from the second electrode layer.
    Type: Application
    Filed: April 21, 2017
    Publication date: August 10, 2017
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jong-in YANG, Tae-hyung KIM, Si-hyuk LEE, Sang-yeob SONG, Cheol-soo SONE, Hak-hwan KIM, Jin-hyun LEE
  • Patent number: 9705040
    Abstract: A light-emitting device includes: a substrate; a light-emitting structure including first and second nitride-based semiconductor layers on the substrate and an active layer between the first and second nitride-based semiconductor layers; an insulating layer on a top surface of the light-emitting structure; a protrusion on the insulating layer, a top surface of the protrusion being larger than a bottom surface thereof, the protrusion having a trapezoidal cross-section; a transparent conductive layer covering a top surface of the light-emitting structure, a top surface of the insulating layer, and the top surface of the protrusion and having a constant thickness along the top surface of the light-emitting structure, the top surface of the insulating layer, and the top surface of the protrusion; and an electrode covering at least one of inclined surfaces of the protrusion on the transparent conductive layer.
    Type: Grant
    Filed: November 12, 2015
    Date of Patent: July 11, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jong-hoon Ha, Sang-yeob Song, Gi-bum Kim, Jae-in Sim, Seung-woo Choi
  • Patent number: 9660163
    Abstract: A semiconductor light-emitting device, and a method of manufacturing the same. The semiconductor light-emitting device includes a first electrode layer, an insulating layer, a second electrode layer, a second semiconductor layer, an active layer, and a first semiconductor layer that are sequentially stacked on a substrate, a first contact that passes through the substrate to be electrically connected to the first electrode layer, and a second contact that passes through the substrate, the first electrode layer, and the insulating layer to communicate with the second electrode layer. The first electrode layer is electrically connected to the first semiconductor layer by filling a contact hole that passes through the second electrode layer, the second semiconductor layer, and the active layer, and the insulating layer surrounds an inner circumferential surface of the contact hole to insulate the first electrode layer from the second electrode layer.
    Type: Grant
    Filed: June 10, 2015
    Date of Patent: May 23, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jong-in Yang, Tae-hyung Kim, Si-hyuk Lee, Sang-yeob Song, Cheol-soo Sone, Hak-hwan Kim, Jin-hyun Lee
  • Patent number: 9570660
    Abstract: Provided is a semiconductor light emitting device.
    Type: Grant
    Filed: July 15, 2015
    Date of Patent: February 14, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae In Sim, Sang Yeob Song, Jong Hoon Ha, Gi Bum Kim, Seung Woo Choi
  • Patent number: 9548426
    Abstract: A semiconductor light-emitting device includes a light-emitting structure including a first conductivity-type semiconductor layer, an active layer, and a second conductivity-type semiconductor layer, and a selective transmission-reflection layer disposed on the light-emitting structure and including a plurality of dielectric layers having different optical thicknesses alternately stacked at least once. The sum of an optical thickness of a dielectric layer having a maximum optical thickness and an optical thickness of a dielectric layer having a minimum optical thickness is in the range of 0.75 to 0.80.
    Type: Grant
    Filed: May 22, 2015
    Date of Patent: January 17, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Myeong Ha Kim, Chan Mook Lim, Masaaki Sofue, Sang Yeob Song, Mi Jeong Yun
  • Publication number: 20170005242
    Abstract: A semiconductor light emitting device may include a substrate having a first surface and a second surface, the second surface being opposite to the first surface; a light emitting structure disposed on the first surface of the substrate and including a first conductivity-type semiconductor layer, an active layer and a second conductivity-type semiconductor layer; and a reflector disposed on the second surface of the substrate and including a low refractive index layer and a Bragg layer, wherein the Bragg layer includes a plurality of alternately stacked layers having different refractive indices, and wherein a refractive index of the low refractive index layer is lower than a refractive index of the Bragg layer.
    Type: Application
    Filed: April 26, 2016
    Publication date: January 5, 2017
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Myeong Ha KIM, Sang Yeob SONG, Chan Mook LIM
  • Publication number: 20160149086
    Abstract: Provided is a semiconductor light emitting device.
    Type: Application
    Filed: July 15, 2015
    Publication date: May 26, 2016
    Inventors: Jae In SIM, Sang Yeob SONG, Jong Hoon HA, Gi Bum KIM, Seung Woo CHOI
  • Publication number: 20160141457
    Abstract: A light-emitting device includes: a substrate; a light-emitting structure including first and second nitride-based semiconductor layers on the substrate and an active layer between the first and second nitride-based semiconductor layers; an insulating layer on a top surface of the light-emitting structure; a protrusion on the insulating layer, a top surface of the protrusion being larger than a bottom surface thereof, the protrusion having a trapezoidal cross-section; a transparent conductive layer covering a top surface of the light-emitting structure, a top surface of the insulating layer, and the top surface of the protrusion and having a constant thickness along the top surface of the light-emitting structure, the top surface of the insulating layer, and the top surface of the protrusion; and an electrode covering at least one of inclined surfaces of the protrusion on the transparent conductive layer.
    Type: Application
    Filed: November 12, 2015
    Publication date: May 19, 2016
    Inventors: Jong-hoon HA, Sang-yeob SONG, Gi-bum KIM, Jae-in SIM, Seung-woo CHOI
  • Patent number: 9312249
    Abstract: In a semiconductor light emitting device, a light emitting structure includes a first-conductivity type semiconductor layer, an active layer, and a second-conductivity type semiconductor layer, which are sequentially formed on a conductive substrate. A second-conductivity type electrode includes a conductive via and an electrical connection part. The conductive via passes through the first-conductivity type semiconductor layer and the active layer, and is connected to the inside of the second-conductivity type semiconductor layer. The electrical connection part extends from the conductive via and is exposed to the outside of the light emitting structure. An insulator electrically separates the second-conductivity type electrode from the conductive substrate, the first-conductivity type semiconductor layer, and the active layer. A passivation layer is formed to cover at least a side surface of the active layer in the light emitting structure.
    Type: Grant
    Filed: July 22, 2014
    Date of Patent: April 12, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Pun Jae . Choi, Sang Bum Lee, Jin Bock Lee, Yu Seung Kim, Sang Yeob Song
  • Patent number: 9305906
    Abstract: In a semiconductor light emitting device, a light emitting structure includes a first-conductivity type semiconductor layer, an active layer, and a second-conductivity type semiconductor layer, which are sequentially formed on a conductive substrate. A second-conductivity type electrode includes a conductive via and an electrical connection part. The conductive via passes through the first-conductivity type semiconductor layer and the active layer, and is connected to the inside of the second-conductivity type semiconductor layer. The electrical connection part extends from the conductive via and is exposed to the outside of the light emitting structure. An insulator electrically separates the second-conductivity type electrode from the conductive substrate, the first-conductivity type semiconductor layer, and the active layer. A passivation layer is formed to cover at least a side surface of the active layer in the light emitting structure.
    Type: Grant
    Filed: July 21, 2014
    Date of Patent: April 5, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Pun Jae Choi, Sang Bum Lee, Jin Bock Lee, Yu Seung Kim, Sang Yeob Song
  • Publication number: 20160087159
    Abstract: A semiconductor light-emitting device includes a light-emitting structure including a first conductivity-type semiconductor layer, an active layer, and a second conductivity-type semiconductor layer, and a selective transmission-reflection layer disposed on the light-emitting structure and including a plurality of dielectric layers having different optical thicknesses alternately stacked at least once. The sum of an optical thickness of a dielectric layer having a maximum optical thickness and an optical thickness of a dielectric layer having a minimum optical thickness is in the range of 0.75 to 0.80.
    Type: Application
    Filed: May 22, 2015
    Publication date: March 24, 2016
    Inventors: Myeong Ha KIM, Chan Mook LIM, Masaaki SOFUE, Sang Yeob SONG, Mi Jeong YUN
  • Patent number: 9293675
    Abstract: A semiconductor light-emitting device, and a method of manufacturing the same. The semiconductor light-emitting device includes a first electrode layer, an insulating layer, a second electrode layer, a second semiconductor layer, an active layer, and a first semiconductor layer that are sequentially stacked on a substrate, a first contact that passes through the substrate to be electrically connected to the first electrode layer, and a second contact that passes through the substrate, the first electrode layer, and the insulating layer to communicate with the second electrode layer. The first electrode layer is electrically connected to the first semiconductor layer by filling a contact hole that passes through the second electrode layer, the second semiconductor layer, and the active layer, and the insulating layer surrounds an inner circumferential surface of the contact hole to insulate the first electrode layer from the second electrode layer.
    Type: Grant
    Filed: January 9, 2015
    Date of Patent: March 22, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jong-In Yang, Tae-Hyung Kim, Si-Hyuk Lee, Sang-Yeob Song, Cheol-Soo Sone, Hak-Hwan Kim, Jin-Hyun Lee
  • Publication number: 20160072004
    Abstract: A semiconductor 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 disposed therebetween; a first electrode disposed on the light emitting structure to be electrically connected to the first conductivity-type semiconductor layer; and a second electrode disposed on the light emitting structure to be electrically connected to the second conductivity-type semiconductor layer. The second electrode includes a first layer disposed on the second conductivity-type semiconductor layer, and a second layer disposed on the first layer, having a sheet resistance higher than that of the first layer, and having a thickness less than that of the first layer.
    Type: Application
    Filed: May 15, 2015
    Publication date: March 10, 2016
    Inventors: Sang Yeob SONG, Ju Heon YOON, Gi Bum KIM, Hyun Young KIM, Jong Hoon HA
  • Patent number: 9263652
    Abstract: A semiconductor light-emitting device includes a semiconductor region having a light-emitting structure, an electrode layer formed on the semiconductor region, and a reflective protection structure extending exposing the upper surface of the electrode layer and covering the semiconductor region adjacent to the electrode layer.
    Type: Grant
    Filed: January 14, 2014
    Date of Patent: February 16, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ju-heon Yoon, Gi-bum Kim, Sang-yeon Kim, Sang-yeob Song, Won-goo Hur
  • Publication number: 20150364652
    Abstract: A semiconductor light-emitting device, and a method of manufacturing the same. The semiconductor light-emitting device includes a first electrode layer, an insulating layer, a second electrode layer, a second semiconductor layer, an active layer, and a first semiconductor layer that are sequentially stacked on a substrate, a first contact that passes through the substrate to be electrically connected to the first electrode layer, and a second contact that passes through the substrate, the first electrode layer, and the insulating layer to communicate with the second electrode layer. The first electrode layer is electrically connected to the first semiconductor layer by filling a contact hole that passes through the second electrode layer, the second semiconductor layer, and the active layer, and the insulating layer surrounds an inner circumferential surface of the contact hole to insulate the first electrode layer from the second electrode layer.
    Type: Application
    Filed: June 10, 2015
    Publication date: December 17, 2015
    Inventors: Jong-in YANG, Tae-hyung KIM, Si-hyuk LEE, Sang-yeob SONG, Cheol-soo SONE, Hak-hwan KIM, Jin-hyun LEE
  • Patent number: 9099631
    Abstract: A semiconductor light-emitting device, and a method of manufacturing the same. The semiconductor light-emitting device includes a first electrode layer, an insulating layer, a second electrode layer, a second semiconductor layer, an active layer, and a first semiconductor layer that are sequentially stacked on a substrate, a first contact that passes through the substrate to be electrically connected to the first electrode layer, and a second contact that passes through the substrate, the first electrode layer, and the insulating layer to communicate with the second electrode layer. The first electrode layer is electrically connected to the first semiconductor layer by filling a contact hole that passes through the second electrode layer, the second semiconductor layer, and the active layer, and the insulating layer surrounds an inner circumferential surface of the contact hole to insulate the first electrode layer from the second electrode layer.
    Type: Grant
    Filed: January 9, 2015
    Date of Patent: August 4, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jong-In Yang, Tae-Hyung Kim, Si-Hyuk Lee, Sang-Yeob Song, Cheol-Soo Sone, Hak-Hwan Kim, Jin-Hyun Lee
  • Publication number: 20150125983
    Abstract: A semiconductor light-emitting device, and a method of manufacturing the same. The semiconductor light-emitting device includes a first electrode layer, an insulating layer, a second electrode layer, a second semiconductor layer, an active layer, and a first semiconductor layer that are sequentially stacked on a substrate, a first contact that passes through the substrate to be electrically connected to the first electrode layer, and a second contact that passes through the substrate, the first electrode layer, and the insulating layer to communicate with the second electrode layer. The first electrode layer is electrically connected to the first semiconductor layer by filling a contact hole that passes through the second electrode layer, the second semiconductor layer, and the active layer, and the insulating layer surrounds an inner circumferential surface of the contact hole to insulate the first electrode layer from the second electrode layer.
    Type: Application
    Filed: January 9, 2015
    Publication date: May 7, 2015
    Inventors: Jong-In YANG, Tae-Hyung KIM, Si-Hyuk LEE, Sang-Yeob SONG, Cheol-Soo SONE, Hak-Hwan KIM, Jin-Hyun LEE
  • Publication number: 20150115281
    Abstract: A semiconductor light-emitting device, and a method of manufacturing the same. The semiconductor light-emitting device includes a first electrode layer, an insulating layer, a second electrode layer, a second semiconductor layer, an active layer, and a first semiconductor layer that are sequentially stacked on a substrate, a first contact that passes through the substrate to be electrically connected to the first electrode layer, and a second contact that passes through the substrate, the first electrode layer, and the insulating layer to communicate with the second electrode layer. The first electrode layer is electrically connected to the first semiconductor layer by filling a contact hole that passes through the second electrode layer, the second semiconductor layer, and the active layer, and the insulating layer surrounds an inner circumferential surface of the contact hole to insulate the first electrode layer from the second electrode layer.
    Type: Application
    Filed: January 9, 2015
    Publication date: April 30, 2015
    Inventors: Jong-In YANG, Tae-Hyung KIM, Si-Hyuk LEE, Sang-Yeob SONG, Cheol-Soo SONE, Hak-Hwan KIM, Jin-Hyun LEE
  • Publication number: 20150104944
    Abstract: There is provided a method of forming patterns for a semiconductor device. The method sequentially forming a first mask layer and a second mask layer on a substrate. The method also includes forming a second mask pattern layer by patterning the second mask layer. The method further includes forming a first mask pattern layer having a negative slope portion, by etching the first mask layer exposed through the second mask pattern layer. The method also includes forming a thin film layer on the substrate exposed through the first mask pattern layer.
    Type: Application
    Filed: May 13, 2014
    Publication date: April 16, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ki Won PARK, Ju Hyun KIM, Yu Seung KIM, Sang Yeob SONG, Tae Hyun LEE