Patents by Inventor Jong Hyeon Chae

Jong Hyeon Chae 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: 10276769
    Abstract: A light emitting device in which a bonding pad is soldered to a mounting substrate, wherein the bonding pad may be formed in various shapes that can minimize the occurrence of voids during soldering or heat fusion.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: April 30, 2019
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Jong Hyeon Chae, So Ra Lee, Kyung Hee Ye
  • Patent number: 10270008
    Abstract: A light emitting element according to an embodiment of the present invention comprises a first conductive-type semiconductor layer including a contact region on the lower surface thereof, a light emitting structure which includes a mesa including a second conductive-type semiconductor layer and an active layer, a second electrode, a first insulation layer, an electrode cover layer, a first electrode, a second insulation layer, and a support structure. In addition, the mesa may include a body part and a plurality of protrusion parts protruding from the body part, the contact region may be disposed between the protrusion parts, and a part of the contact region may overlap with a second metal bulk in the vertical direction. Accordingly, current spreading efficiency can be improved, and thus luminance efficiency can be more improved.
    Type: Grant
    Filed: March 8, 2016
    Date of Patent: April 23, 2019
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Jong Hyeon Chae, Chang Yeon Kim, Joon Sup Lee, Dae Woong Suh, Won Young Roh, Ju Yong Park, Seung Hyun Kim
  • 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
  • Patent number: 10236418
    Abstract: Disclosed are a light-emitting element and a production method therefor. In one aspect, a light-emitting element is provided to comprise a light-emitting structure comprising a first and second semiconductor layers and an active layer; a first and second contact electrodes respectively making ohmic contact with the first and second semiconductor layers; an insulating layer for insulating the first contact electrode and second contact electrode; a first and second bulk electrodes respectively electrically linked to the first and second contact electrodes; an insulating support covering the side surfaces of the first and second bulk electrodes; a first wavelength converter covering the light-emitting structure; a light-transmitting layer positioned on the first wavelength converter; and a second wavelength converter positioned on the light-transmitting layer, and, in the present invention, white light emitted from the light-emitting element has a CIEx value of at least 0.390 on the CIE color coordinate chart.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: March 19, 2019
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Chang Yeon Kim, Jong Hyeon Chae
  • Publication number: 20190067540
    Abstract: A light emitting device in which a bonding pad is soldered to a mounting substrate, wherein the bonding pad may be formed in various shapes that can minimize the occurrence of voids during soldering or heat fusion.
    Type: Application
    Filed: June 29, 2018
    Publication date: February 28, 2019
    Inventors: Jong Hyeon Chae, So Ra Lee, Kyung Hee Ye
  • Patent number: 10217912
    Abstract: An LED is provided to include: a first conductive type semiconductor layer; an active layer positioned over the first conductive type semiconductor layer; a second conductive type semiconductor layer positioned over the active layer; and a defect blocking layer comprising a masking region to cover at least a part of the top surface of the second conductive semiconductor layer and an opening region to partially expose the top surface of the second conductive type semiconductor layer, wherein the active layer and the second conductive type semiconductor layer are disposed to expose a part of the first conductive type semiconductor layer, and wherein the defect blocking layer comprises a first region and a second region surrounding the first region, and a ratio of the area of the opening region to the area of the masking region in the first region is different from a ratio of the area of the opening region to the area of the masking region in the second region.
    Type: Grant
    Filed: November 27, 2017
    Date of Patent: February 26, 2019
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Jong Hyeon Chae, Jong Min Jang, Won Young Roh, Dae Woong Suh, Min Woo Kang, Joon Sub Lee, Hyun A Kim, Kyoung Wan Kim, Chang Yeon Kim
  • Patent number: 10211383
    Abstract: A light emitting device in which a bonding pad is soldered to a mounting substrate, wherein the bonding pad may be formed in various shapes that can minimize the occurrence of voids during soldering or heat fusion.
    Type: Grant
    Filed: April 27, 2018
    Date of Patent: February 19, 2019
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Jong Hyeon Chae, So Ra Lee, Kyung Hee Ye
  • Patent number: 10205077
    Abstract: A light emitting device in which a bonding pad is soldered to a mounting substrate, wherein the bonding pad may be formed in various shapes that can minimize the occurrence of voids during soldering or heat fusion.
    Type: Grant
    Filed: May 31, 2018
    Date of Patent: February 12, 2019
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Jong Hyeon Chae, So Ra Lee, Kyung Hee Ye
  • Publication number: 20190019923
    Abstract: Disclosed herein are a light emitting diode package and a method of manufacturing the same. The light emitting diode package includes: a substrate, a light-emitting layer disposed on a surface of the substrate and including a first type semiconductor layer, an active layer, and a second type semiconductor layer, a first bump disposed on the first type semiconductor layer and a second bump disposed the second type semiconductor layer, a protective layer covering at least the light-emitting layer, and a first bump pad and a second bump pad disposed on the protective layer and connected to the first bump and the second bump, respectively.
    Type: Application
    Filed: September 10, 2018
    Publication date: January 17, 2019
    Inventors: Chi Hyun IN, Jun Yong PARK, Kyu Ho LEE, Dae Woong SUH, Jong Hyeon CHAE, Chang Hoon KIM, Sung Hyun LEE
  • Publication number: 20180294382
    Abstract: A light emitting diode including a first conductive type semiconductor layer; a mesa disposed on the first conductive type semiconductor layer and including an active layer and a second conductive type semiconductor layer; an electrode disposed on the mesa and configured to be in ohmic-contact with the corresponding second conductive type semiconductor layer of the mesa, a current spreading layer disposed on the mesa and the electrode and including a first portion, a second portion, and a third portion configured to be in ohmic-contact with a first end portion, a second end portion, and a middle portion of the first conductive type semiconductor layer, respectively, an insulation layer disposed on the mesa and the first conductive type semiconductor layer and having a first region having a thickness that varies along a longitudinal direction of the first semiconductor layer.
    Type: Application
    Filed: June 8, 2018
    Publication date: October 11, 2018
    Inventors: Jong Hyeon Chae, Jong Min Jang, Won Young Roh, Dae Woong Suh, Min Woo Kang, Joon Sub Lee, Hyun A Kim
  • Publication number: 20180287028
    Abstract: light emitting device in which a bonding pad is soldered to a mounting substrate, wherein the bonding pad may be formed in various shapes that can minimize the occurrence of voids during soldering or heat fusion.
    Type: Application
    Filed: May 31, 2018
    Publication date: October 4, 2018
    Inventors: Jong Hyeon Chae, So Ra Lee, Kyung Hee Ye
  • Publication number: 20180287021
    Abstract: An LED is provided to include: a first conductive type semiconductor layer; an active layer positioned over the first conductive type semiconductor layer; a second conductive type semiconductor layer positioned over the active layer; and a defect blocking layer comprising a masking region to cover at least a part of the top surface of the second conductive semiconductor layer and an opening region to partially expose the top surface of the second conductive type semiconductor layer, wherein the active layer and the second conductive type semiconductor layer are disposed to expose a part of the first conductive type semiconductor layer, and wherein the defect blocking layer comprises a first region and a second region surrounding the first region, and a ratio of the area of the opening region to the area of the masking region in the first region is different from a ratio of the area of the opening region to the area of the masking region in the second region.
    Type: Application
    Filed: November 27, 2017
    Publication date: October 4, 2018
    Inventors: Jong Hyeon Chae, Jong Min Jang, Won Young Roh, Dae Woong Suh, Min Woo Kang, Joon Sub Lee, Hyun A. Kim, Kyoung Wan Kim, Chang Yeon Kim
  • Patent number: 10090450
    Abstract: A light emitting device in which a bonding pad is soldered to a mounting substrate, wherein the bonding pad may be formed in various shapes that can minimize the occurrence of voids during soldering or heat fusion.
    Type: Grant
    Filed: March 31, 2018
    Date of Patent: October 2, 2018
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Jong Hyeon Chae, So Ra Lee, Kyung Hee Ye
  • Publication number: 20180261723
    Abstract: An ultraviolet light emitting device is disclosed. An ultraviolet light emitting device according to a first embodiment of the disclosed technology comprises: a substrate having a first surface and a second surface facing the first surface; and a light emitting diode comprising a first type semiconductor layer, an active layer which emits ultraviolet light, and a second type semiconductor layer, the light emitting diode being formed on the first surface of the substrate, wherein the surface area of the substrate divided by the light emitting area of the light emitting diode may be ?6.5.
    Type: Application
    Filed: May 4, 2018
    Publication date: September 13, 2018
    Inventors: Seong Kyu Jang, Kyu Ho Lee, Yeo Jin Yoon, Chi Hyun In, Jong Hyeon Chae, Hong Suk Cho
  • Patent number: 10074778
    Abstract: Disclosed herein are a light emitting diode package and a method of manufacturing the same. The light emitting diode package includes: a substrate, a light-emitting layer disposed on a surface of the substrate and including a first type semiconductor layer, an active layer, and a second type semiconductor layer, a first bump disposed on the first type semiconductor layer and a second bump disposed the second type semiconductor layer, a protective layer covering at least the light-emitting layer, and a first bump pad and a second bump pad disposed on the protective layer and connected to the first bump and the second bump, respectively.
    Type: Grant
    Filed: March 20, 2012
    Date of Patent: September 11, 2018
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Chi Hyun In, Jun Yong Park, Kyu Ho Lee, Dae Woong Suh, Jong Hyeon Chae, Chang Hoon Kim, Sung Hyun Lee
  • Publication number: 20180254423
    Abstract: A method of fabricating a light emitting device using a wafer level package process and a light emitting device fabricated by the same are disclosed. The light emitting device has improved heat dissipation to prevent damage by heat, thereby achieving improvement in reliability and luminous efficacy. In addition, the light emitting device has a small difference in coefficient of thermal expansion and thus can reduce stress applied to a light emitting structure to prevent damage to the light emitting structure, thereby achieving improvement in reliability and luminous efficacy.
    Type: Application
    Filed: April 30, 2018
    Publication date: September 6, 2018
    Inventors: Jong Min Jang, Jong Hyeon Chae, Dae Woong Suh
  • Patent number: 10069055
    Abstract: A light emitting device includes a first bonding pad configured to be mounted to a substrate, a first electrode electrically connected to the first bonding pad, a first conductive type semiconductor layer having a middle area disposed between two, opposing end areas, a second conductive type semiconductor layer disposed on the first conductive type semiconductor layer and connected to the first electrode; and a first contact portion and a plurality of second contact portions disposed on the first conductive type semiconductor layer, in which the first contact portion is disposed adjacent one end area of the first conductive type semiconductor layer, the second contact portions are disposed in the middle area of the first conductive type semiconductor layer, and the first bonding pad exposes at least one of the second contact portion.
    Type: Grant
    Filed: August 2, 2017
    Date of Patent: September 4, 2018
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Jong Hyeon Chae, So Ra Lee, Kyung Hee Ye
  • Patent number: 10069040
    Abstract: Exemplary embodiments provide a light emitting diode that includes: at least one lower electrode providing a passage for electric current; a light emitting structure placed over the at least one lower electrode to be electrically connected to the lower electrode, the light emitting structure is disposed to form at least one via-hole; a reflective electrode layer placed between the at least one lower electrode and the light emitting structure; and an electrode pattern formed around the light emitting structure and electrically connecting the lower electrode to the light emitting structure through the via-hole.
    Type: Grant
    Filed: March 27, 2017
    Date of Patent: September 4, 2018
    Assignee: Seoul Viosys Co., Ltd.
    Inventor: Jong Hyeon Chae
  • Publication number: 20180248094
    Abstract: light emitting device in which a bonding pad is soldered to a mounting substrate, wherein the bonding pad may be formed in various shapes that can minimize the occurrence of voids during soldering or heat fusion.
    Type: Application
    Filed: April 27, 2018
    Publication date: August 30, 2018
    Inventors: Jong Hyeon Chae, So Ra Lee, Kyung Hee Ye
  • Patent number: 10062810
    Abstract: Described are a light emitting diode and a light emitting diode module. The light emitting diode module includes a printed circuit board and a light emitting diode joined thereto through a solder paste. The light emitting diode includes a first electrode pad electrically connected to a first conductive type semiconductor layer and a second electrode pad connected to a second conductive type semiconductor layer, wherein each of the first electrode pad and the second electrode pad includes at least five pairs of Ti/Ni layers or at least five pairs of Ti/Cr layers and the uppermost layer of Au. Thus a metal element such as Sn in the solder paste is prevented from diffusion so as to provide a reliable light emitting diode module.
    Type: Grant
    Filed: January 2, 2018
    Date of Patent: August 28, 2018
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Jong Hyeon Chae, Joon Sup Lee, Daewoong Suh, Won Young Roh, Min Woo Kang, Jong Min Jang