Patents by Inventor Su Hyun Jo

Su Hyun Jo 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: 20160163925
    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, microstructures regularly arranged on the first conductivity-type semiconductor layer around the light-emitting structure, and a gradient refractive layer on at least a portion of the microstructures, the gradient refractive layer having a lower refractive index than the first conductivity-type semiconductor layer.
    Type: Application
    Filed: December 3, 2015
    Publication date: June 9, 2016
    Inventors: Su Hyun Jo, Ki Seok Kim, Seong Seok Yang, Yong Il Kim, Seung Hwan Lee
  • Patent number: 9300111
    Abstract: A semiconductor light emitting device includes a conductive substrate, a light emitting laminate including a second conductivity type semiconductor layer, an active layer, and a first conductivity type semiconductor layer stacked on the conductive substrate, a first electrode layer electrically connected to the first conductivity type semiconductor layer, a second electrode layer between the conductive substrate and the second conductivity type semiconductor layer, the second electrode layer being electrically connected to the second conductivity type semiconductor layer, and a passivation layer between the active layer and the second electrode layer, the passivation layer covering at least a lateral surface of the active layer of the light emitting laminate.
    Type: Grant
    Filed: January 14, 2014
    Date of Patent: March 29, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jong Ho Lee, Chan Mook Lim, Young Chul Shin, Su Hyun Jo
  • Patent number: 9123623
    Abstract: A method of manufacturing a semiconductor light emitting device having a multi-cell array, including: sequentially forming a first conductive semiconductor layer, an active layer and a second conductive semiconductor layer on a substrate; etching and removing portions of the second conductive semiconductor layer and the active layer so as to expose portions of an upper surface of the first conductive semiconductor layer corresponding to respective regions of the second conductive semiconductor layer spaced apart from one another; and separating light emitting cells by partially etching the exposed portions of the first conductive semiconductor layer, wherein the separating of the light emitting cells is not performed at an edge portion of the substrate.
    Type: Grant
    Filed: July 2, 2013
    Date of Patent: September 1, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Su Hyun Jo, Jong Ho Lee, Jin Hyun Lee, Chan Mook Lim, Jin Hwan Kim
  • Patent number: 8981396
    Abstract: A semiconductor light emitting device includes a substrate, a semiconductor laminate having a base semiconductor layer, a first conductivity-type semiconductor layer, an active layer, and a second conductivity-type semiconductor layer sequentially formed on the substrate and divided by an isolation region to provide a plurality of light emitting cells, an intermediate separation layer interposed between the base semiconductor layer and the first conductivity-type semiconductor layer, a plurality of first and second electrodes connected to the first and second conductivity-type semiconductor layers, respectively, of the plurality of light emitting cells, and a wiring unit connecting the first and second electrodes of different light emitting cells.
    Type: Grant
    Filed: February 19, 2013
    Date of Patent: March 17, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jin Hyun Lee, Bum Joon Kim, Seung Wan Chae, Chan Mook Lim, Jong Ho Lee, Jin Hwan Kim, Su Hyun Jo
  • Patent number: 8957431
    Abstract: A semiconductor light emitting device (LED) includes a first light emitting cell having a first plurality of electrodes. A second light emitting cell includes a second plurality of electrodes. The first and second light emitting cells are disposed on the substrate and are physically separated from each other. A first interconnection unit electrically connects the first plurality of electrodes to the second plurality of the electrodes.
    Type: Grant
    Filed: March 6, 2013
    Date of Patent: February 17, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chan Mook Lim, Jong Ho Lee, Jin Hwan Kim, Young Chul Shin, Su Hyun Jo, Jin Hyun Lee
  • Patent number: 8901581
    Abstract: A semiconductor light emitting device includes a substrate and a plurality of light emitting cells disposed on the substrate. Each light emitting cell includes first and second conductive semiconductor layers having an active layer formed therebetween, and first and second electrodes formed on the first and second layers. A first insulation layer is formed on portions of the light emitting cell, while a second insulation layer entirely covers at least one light emitting cell. A method of manufacturing the semiconductor light emitting device, and a light emitting module and an illumination apparatus including the semiconductor light emitting device are also provided.
    Type: Grant
    Filed: May 15, 2013
    Date of Patent: December 2, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chan Mook Lim, Jong Ho Lee, Jin Hwan Kim, Jin Hyun Lee, Su Hyun Jo, Hae Yeon Hwang
  • Publication number: 20140219304
    Abstract: A semiconductor light emitting device includes a conductive substrate, a light emitting laminate including a second conductivity type semiconductor layer, an active layer, and a first conductivity type semiconductor layer stacked on the conductive substrate, a first electrode layer electrically connected to the first conductivity type semiconductor layer, a second electrode layer between the conductive substrate and the second conductivity type semiconductor layer, the second electrode layer being electrically connected to the second conductivity type semiconductor layer, and a passivation layer between the active layer and the second electrode layer, the passivation layer covering at least a lateral surface of the active layer of the light emitting laminate.
    Type: Application
    Filed: January 14, 2014
    Publication date: August 7, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jong Ho LEE, Chan Mook LIM, Young Chul SHIN, Su Hyun JO
  • Publication number: 20140008665
    Abstract: A method of manufacturing a semiconductor light emitting device having a multi-cell array, including: sequentially forming a first conductive semiconductor layer, an active layer and a second conductive semiconductor layer on a substrate; etching and removing portions of the second conductive semiconductor layer and the active layer so as to expose portions of an upper surface of the first conductive semiconductor layer corresponding to respective regions of the second conductive semiconductor layer spaced apart from one another; and separating light emitting cells by partially etching the exposed portions of the first conductive semiconductor layer, wherein the separating of the light emitting cells is not performed at an edge portion of the substrate.
    Type: Application
    Filed: July 2, 2013
    Publication date: January 9, 2014
    Inventors: Su Hyun JO, Jong Ho LEE, Jin Hyun LEE, Chan Mook LIM, Jin Hwan KIM
  • Publication number: 20130306997
    Abstract: A semiconductor light emitting device includes a substrate and a plurality of light emitting cells disposed on the substrate. Each light emitting cell includes first and second conductive semiconductor layers having an active layer formed therebetween, and first and second electrodes formed on the first and second layers. A first insulation layer is formed on portions of the light emitting cell, while a second insulation layer entirely covers at least one light emitting cell. A method of manufacturing the semiconductor light emitting device, and a light emitting module and an illumination apparatus including the semiconductor light emitting device are also provided.
    Type: Application
    Filed: May 15, 2013
    Publication date: November 21, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chan Mook LIM, Jong Ho LEE, Jin Hwan KIM, Jin Hyun LEE, Su Hyun JO, Hae Yeon HWANG
  • Publication number: 20130234170
    Abstract: A semiconductor light emitting device (LED) includes a first light emitting cell having a first plurality of electrodes. A second light emitting cell includes a second plurality of electrodes. The first and second light emitting cells are disposed on the substrate and are physically separated from each other. A first interconnection unit electrically connects the first plurality of electrodes to the second plurality of the electrodes.
    Type: Application
    Filed: March 6, 2013
    Publication date: September 12, 2013
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Chan Mook Lim, Jong Ho Lee, Jin Hwan Kim, Young Chul Shin, Su Hyun Jo, Jin Hyun Lee