Patents by Inventor Yeo Jin Yoon

Yeo Jin Yoon 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: 9929314
    Abstract: Disclosed herein is an LED chip including electrode pads. The LED chip includes a semiconductor stack including a first conductive type semiconductor layer, a second conductive type semiconductor layer on the first conductive type semiconductor layer, and an active layer interposed between the first conductive type semiconductor layer and the second conductive type semiconductor layer; a first electrode pad located on the second conductive type semiconductor layer opposite to the first conductive type semiconductor layer; a first electrode extension extending from the first electrode pad and connected to the first conductive type semiconductor layer; a second electrode pad electrically connected to the second conductive type semiconductor layer; and an insulation layer interposed between the first electrode pad and the second conductive type semiconductor layer. The LED chip includes the first electrode pad on the second conductive type semiconductor layer, thereby increasing a light emitting area.
    Type: Grant
    Filed: October 27, 2016
    Date of Patent: March 27, 2018
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Ye Seul Kim, Kyoung Wan Kim, Yeo Jin Yoon, Sang Hyun Oh, Keum Ju Lee, Jin Woong Lee, Da Yeon Jeong, Sang Won Woo
  • Patent number: 9929315
    Abstract: A light emitting diode chip and a light emitting diode package including the same. The light emitting diode chip includes a substrate, a light emitting diode section disposed on the substrate, an inverse parallel diode section disposed on the substrate and connected inversely parallel to the light emitting diode section. In the light emitting diode chip, the light emitting diode section is disposed together with the inverse parallel diode section.
    Type: Grant
    Filed: May 28, 2015
    Date of Patent: March 27, 2018
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Duk Il Suh, Kyoung Wan Kim, Yeo Jin Yoon, Sang Won Woo, Shin Hyoung Kim
  • Patent number: 9905729
    Abstract: A light emitting diode is provided to comprises: a substrate that has an elongated rectangular shape in one direction; a light emitting structure positioned on the substrate and having an opening for exposing a first conductive semiconductor layer; a first electrode pad disposed to be closer to a first corner of the substrate; a second electrode pad disposed to be relatively closer to a second corner of the substrate opposing to the first corner; a first extension extending from the first electrode pad; and a second extension and a third extension extending from the second electrode pad to sides of the first extension, wherein an imaginary line connecting an end of the second extension and an end of the third extension is located between the first electrode pad and the first corner.
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: February 27, 2018
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Mae Yi Kim, Jin Woong Lee, Yeo Jin Yoon, Seom Geun Lee, Yong Woo Ryu, Keum Ju Lee
  • Patent number: 9893051
    Abstract: Disclosed herein is a light emitting diode chip having ESD protection. An exemplary embodiment provides a flip-chip type light emitting diode chip, which includes a light emitting diode part aligned on a substrate, and a reverse-parallel diode part disposed on the substrate and connected to the light emitting diode part. Within the flip-chip type light emitting diode chip, the light emitting diode part is placed together with reverse-parallel diode part, thereby providing a light emitting diode chip exhibiting strong resistance to electrostatic discharge.
    Type: Grant
    Filed: July 10, 2014
    Date of Patent: February 13, 2018
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Seom Geun Lee, Yeo Jin Yoon, Jae Kwon Kim, So Ra Lee, Myoung Hak Yang
  • Patent number: 9871168
    Abstract: Disclosed is a light emitting diode including a plurality of light emitting diode elements and a method of fabricating the same. The light emitting diode includes: a substrate; a plurality of light emitting diode elements disposed on the substrate; interconnection lines connecting the light emitting diode elements to each other, wherein the plurality of light emitting diode elements comprise outer light emitting diode elements aligned along an edge of the substrate, each of the outer light emitting diode elements comprises an inner face directed towards an adjacent light emitting diode element and an outer face disposed adjacent the edge of the substrate and directed towards an outside of the substrate, and the inner face of at least one of the outer light emitting diode elements comprises a more gently slanted side surface than the outer face thereof.
    Type: Grant
    Filed: November 30, 2015
    Date of Patent: January 16, 2018
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Se Hee Oh, Yeo Jin Yoon, Jong Kyu Kim
  • Publication number: 20170365638
    Abstract: A light-emitting element includes a light-emitting 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 contact electrode and a second contact electrode located on the light-emitting structure, and respectively making ohmic contact with the first conductive semiconductor layer and the second conductive semiconductor layer; an insulation layer for covering a part of the first contact electrode and the second contact electrode so as to insulate the first contact electrode and the second contact electrode; a first electrode pad and a second electrode pad electrically connected to each of the first contact electrode and the second contact electrode; and a radiation pad formed on the insulation layer, and radiating heat generated from the light-emitting structure.
    Type: Application
    Filed: January 18, 2017
    Publication date: December 21, 2017
    Inventors: Jong Kyu Kim, So Ra Lee, Yeo Jin Yoon, Jae Kwon Kim, Joon Sup Lee, Min Woo Kang, Se Hee Oh, Hyun A Kim, Hyoung Jin Lim
  • Patent number: 9847458
    Abstract: A light emitting diode includes an n-type semiconductor layer disposed on a substrate; a p-type semiconductor layer disposed on a portion of the n-type semiconductor layer; an active layer disposed between the n-type semiconductor layer and the p-type semiconductor layer and generating light through recombination of electrons and holes; an ohmic contact layer disposed on the p-type semiconductor layer and including an indium tin oxide (ITO) layer doped with a metal, a transparent conductive layer disposed on the ohmic contact layer to a different thickness than the ohmic contact layer and including an undoped ITO layer, and a reflective layer disposed on the transparent conductive layer and including an oxide layer. Accordingly, the light emitting diode exhibits excellent current-voltage characteristics through improvement in reliability and electrical conductivity of the ohmic contact layer while improving luminous efficacy through the reflective layer formed of an oxide.
    Type: Grant
    Filed: February 29, 2016
    Date of Patent: December 19, 2017
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: So Ra Lee, Yeo Jin Yoon
  • Patent number: 9847371
    Abstract: A light emitting diode (LED) chip for high voltage operation and an LED package including the same are disclosed. The LED chip includes a substrate, a first array formed on the substrate and including n light emitting cells connected in series, and a second array formed on the substrate and including m (m?n) light emitting cells connected in series. During operation of the LED chip, the first array and the second array are operated by being connected in reverse parallel to each other. Further, when a driving voltage of the first array is delined as Vd1 and a driving voltage of the second array is defined as Vd2, a difference between Vd1 and Vd2×(n/m) is not more than 2V.
    Type: Grant
    Filed: February 12, 2010
    Date of Patent: December 19, 2017
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Chung Hoon Lee, Won Cheol Seo, Yeo Jin Yoon, Jin Cheol Shin
  • Publication number: 20170338390
    Abstract: A high-efficiency light-emitting device of the present invention includes: a nitride-based semiconductor laminate layer comprising a first conductive-type semiconductor layer, an active layer, and a second conductive-type semiconductor layer; a substrate comprising a first electrode and a second electrode each connected to the first conductive-type semiconductor layer and the second conductive-type semiconductor layer, a first pad electrode and a second pad electrode each connected with the first electrode and the second electrode, and a first connection pad and a second connection pad each connected with the first pad electrode and the second pad electrode; and a solder positioned between the pad electrodes and the connection pads.
    Type: Application
    Filed: October 16, 2015
    Publication date: November 23, 2017
    Inventors: Yeo Jin YOON, Chung Hoon LEE
  • Publication number: 20170331020
    Abstract: A light emitting diode including a first light emitting cell and a second light emitting cell separated from each other on a substrate, a first transparent electrode layer electrically connected to the first light emitting cell, an interconnection electrically connecting the first light emitting cell to the second light emitting cell, and a first insulation layer. The first transparent electrode layer is disposed on an upper surface of the first light emitting cell and partially covers a side surface of the first light emitting cell. The first insulation layer separates the first transparent electrode layer from the side surface of the first light emitting cell, and includes an opening to expose a lower semiconductor layer of the first light emitting cell.
    Type: Application
    Filed: July 28, 2017
    Publication date: November 16, 2017
    Inventors: Se Hee OH, Mae Yi KIM, Seom Geun LEE, Myoung Hak YANG, Yeo Jin YOON
  • Patent number: 9793440
    Abstract: A substrate, a first conductive type semiconductor layer arranged on the substrate, a second conductive type semiconductor layer arranged on the first conductive type semiconductor layer, an active layer disposed between the first conductive type semiconductor layer and the second conductive type semiconductor layer, a first electrode pad electrically connected to the first conductive type semiconductor layer, a second electrode pad arranged on the second conductive type semiconductor layer, an insulation layer disposed between the second conductive type semiconductor layer and the second electrode pad, and at least one upper extension electrically connected to the second electrode pad, the at least one upper extension being electrically connected to the second conductive type semiconductor layer.
    Type: Grant
    Filed: July 1, 2016
    Date of Patent: October 17, 2017
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Won Cheol Seo, Dae Sung Cho, Kyung Hee Ye, Kyoung Wan Kim, Yeo Jin Yoon
  • Patent number: 9755106
    Abstract: Disclosed is a light emitting diode (LED) having improved light extraction efficiency. The LED includes a light emitting structure positioned on a substrate and having a first semiconductor layer, an active layer and a second semiconductor layer. A first electrode pad is electrically connected to the first semiconductor layer. A second electrode pad is positioned on the substrate. An insulating reflective layer covers a portion of the light emitting structure, and is positioned under the second electrode pad, so that the second electrode pad is spaced apart from the light emitting structure. At least one upper extension is connected to the second electrode pad to be electrically connected to the second semiconductor layer. Further, a pattern of light extraction elements is positioned on the second semiconductor layer.
    Type: Grant
    Filed: March 6, 2015
    Date of Patent: September 5, 2017
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Jeong Hee Yang, Kyoung Wan Kim, Yeo Jin Yoon, Jae Moo Kim, Keum Ju Lee
  • Publication number: 20170236865
    Abstract: A light emitting diode includes a substrate including a concave-convex pattern having concave portions and convex portions, a first light emitting unit disposed on the substrate, a second light emitting unit disposed on the substrate, a first wire connecting the first light emitting unit to the second light emitting unit over the concave-convex pattern, and an insulation layer disposed between the concave-convex pattern and the wire. The insulation layer has a shape corresponding to the concave-convex pattern.
    Type: Application
    Filed: April 27, 2017
    Publication date: August 17, 2017
    Inventors: Jae Kwon KIM, Yeo Jin YOON, Jong Kyu KIM, So Ra LEE, Sum Geun LEE, Hyun Haeng LEE
  • Patent number: 9735329
    Abstract: A light emitting diode including a first light emitting cell and a second light emitting cell separated from each other on a substrate, a first transparent electrode layer electrically connected to the first light emitting cell, an interconnection electrically connecting the first light emitting cell to the second light emitting cell, and a first insulation layer disposed on the first and second light emitting cells. The first transparent electrode layer is disposed on an upper surface of the first light emitting cell and partially covers a side surface of the first light emitting cell. The first insulation layer separates the first transparent electrode layer from the side surface of the first light emitting cell.
    Type: Grant
    Filed: May 5, 2016
    Date of Patent: August 15, 2017
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Se Hee Oh, Mae Yi Kim, Seom Geun Lee, Myoung Hak Yang, Yeo Jin Yoon
  • Publication number: 20170206702
    Abstract: Disclosed are a stereo 3D navigation apparatus and a saliency-based camera parameter control method for the same. An embodiment of the invention provides a camera parameter control method for navigation that includes: (a) detecting a candidate zone of high visual attention by way of saliency analysis on a navigation scene; and (b) changing the location of the virtual screen to the candidate zone.
    Type: Application
    Filed: July 15, 2016
    Publication date: July 20, 2017
    Inventors: Soo Mi CHOI, Yeo Jin YOON, Tae Hoon CHO
  • Publication number: 20170200857
    Abstract: A method of fabricating a light emitting diode (LED) includes: sequentially stacking a first conductivity-type semiconductor layer, an active layer, and a second conductivity-type semiconductor layer on a substrate; and separating the substrate into unit chips, and at the same time, forming a concavo-convex structure having the shape of irregular vertical lines in a side surface of the unit chip.
    Type: Application
    Filed: March 24, 2017
    Publication date: July 13, 2017
    Inventors: Kyung Wan KIM, Tae Kyoon KIM, Yeo Jin YOON, Ye Seul KIM, Sang Hyun OH, Jin Woong LEE, In Soo KIM
  • Publication number: 20170186810
    Abstract: A light emitting device includes a substrate and a plurality of light emitting cells disposed on the substrate. Each light emitting cell includes a first semiconductor layer and a second semiconductor layer, an active layer between the first and the second semiconductors, a conductive material on the second semiconductor layer, an inclined surface, a first insulation layer overlaps each light emitting cell, an electrically conductive material overlaps the first insulation layer to couple two of the plurality of light emitting cells, and a second insulation layer overlaps the electrically conductive material. A light-transmitting material is used in both the first insulation layer and the second insulation layer. The inclined surface is continuous and has a slope of approximately 20° to approximately 80° from a horizontal plane based on the substrate.
    Type: Application
    Filed: March 16, 2017
    Publication date: June 29, 2017
    Inventors: JONG LAM LEE, Jae Ho Lee, Yeo Jin Yoon, Eu Jin Hwang, Dae Won Kim
  • Patent number: 9680060
    Abstract: A light emitting diode includes a substrate including a concave-convex pattern having concave portions and convex portions, a first light emitting unit disposed on the substrate, a second light emitting unit disposed on the substrate, a first wire connecting the first light emitting unit to the second light emitting unit over the concave-convex pattern, and an insulation layer disposed between the concave-convex pattern and the wire. The insulation layer has a shape corresponding to the concave-convex pattern.
    Type: Grant
    Filed: January 22, 2016
    Date of Patent: June 13, 2017
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Jae Kwon Kim, Yeo Jin Yoon, Jong Kyu Kim, So Ra Lee, Sum Geun Lee, Hyun Haeng Lee
  • Patent number: 9673355
    Abstract: A light-emitting diode includes at least two light emitting cells disposed on a substrate and spaced apart from each other, wherein each of the at least two light emitting cells includes a first conductivity-type semiconductor layer, an active layer, and a second conductivity-type semiconductor layer. Each of the at least two light emitting cells includes a cathode disposed on the first conductivity-type semiconductor layer, an anode disposed on the second conductivity-type semiconductor layer, and the cathode of a first light emitting cell of the at least two light emitting cells is electrically connected in series to the anode of a second light emitting cell of the at least two light emitting cells adjacent to the first light emitting cell by an interconnecting section.
    Type: Grant
    Filed: March 28, 2014
    Date of Patent: June 6, 2017
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Sum Geun Lee, Jin Cheol Shin, Yeo Jin Yoon, Kyoung Wan Kim, Jeong Hee Yang
  • Publication number: 20170154921
    Abstract: A light-emitting element includes a light-emitting 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 contact electrode and a second contact electrode located on the light-emitting structure, and respectively making ohmic contact with the first conductive semiconductor layer and the second conductive semiconductor layer; an insulation layer for covering a part of the first contact electrode and the second contact electrode so as to insulate the first contact electrode and the second contact electrode; a first electrode pad and a second electrode pad electrically connected to each of the first contact electrode and the second contact electrode; and a radiation pad formed on the insulation layer, and radiating heat generated from the light-emitting structure.
    Type: Application
    Filed: January 18, 2017
    Publication date: June 1, 2017
    Inventors: Jong Kyu Kim, So Ra Lee, Yeo Jin Yoon, Jae Kwon Kim, Joon Sup Lee, Min Woo Kang, Se Hee Oh, Hyun A Kim, Hyoung Jin Lim