Patents by Inventor Ho Shin Yoon

Ho Shin 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).

  • Garnet-based phosphor doped with thorium and light emitting device using the same
    Patent number: 9493702
    Abstract: Provided is a garnet-based phosphor doped with thorium and a light emitting device using the same. In particular, a garnet-based phosphor having superior light characteristics and heat stability by using thorium as an activator, when compared to a conventional garnet phosphor using cerium as an activator, and a light emitting device using the same as a light source are provided.
    Type: Grant
    Filed: October 21, 2013
    Date of Patent: November 15, 2016
    Assignee: FORCE4 CORP.
    Inventors: Ho Shin Yoon, Seung Hyok Park, Jun Cho, Hye Min Boo, Sung Kyoung Jung
  • Phosphor and light emitting device
    Patent number: 9328286
    Abstract: A phosphor and a light emitting device containing the phosphor are provided. According to an embodiment, the phosphor is expressed in a chemical formula of LxMyCz1Nz2:Aa where L is at least one of an alkaline earth metal, a transition metal, Zn, Cd, Al, Ga, In, Ti, Ge, and Sn; M is at least one of B, Si, P, S, F, Cl, I, and Se; and A is at least one of an alkaline rare earth metal and the transition metal, and where 0<x?5, 0?y?5, 1?z1?10, 1?z2?10, and 0<a?1.
    Type: Grant
    Filed: July 31, 2013
    Date of Patent: May 3, 2016
    Assignees: LG INNOTEK CO., LTD., FORCE4 CORP.
    Inventors: Choong Youl Kim, Joong In An, Seung Hyok Park, Ho Shin Yoon, Chang Hee Lee
  • GARNET-BASED PHOSPHOR DOPED WITH THORIUM AND LIGHT EMITTING DEVICE USING THE SAME
    Publication number: 20150259595
    Abstract: Provided is a garnet-based phosphor doped with thorium and a light emitting device using the same. In particular, a garnet-based phosphor having superior light characteristics and heat stability by using thorium as an activator, when compared to a conventional garnet phosphor using cerium as an activator, and a light emitting device using the same as a light source are provided.
    Type: Application
    Filed: October 21, 2013
    Publication date: September 17, 2015
    Inventors: Ho Shin Yoon, Seung Hyok Park, Jun Cho, Hye Min Boo, Sung Kyoung Jung
  • Phosphor and light emitting device
    Patent number: 8704255
    Abstract: A phosphor and a light emitting device containing the phosphor are provided. According to an embodiment, the phosphor is expressed in a chemical formula of LxMyCz1Nz2:Aa where L is at least one of an alkaline earth metal, a transition metal, Zn, Cd, Al, Ga, In, Ti, Ge, and Sn; M is at least one of B, Si, P, S, F, Cl, I, and Se; and A is at least one of an alkaline rare earth metal and the transition metal, and where 0<x?5, 0?y?5, 1?z1?10, 1?z2?10, and 0<a?1.
    Type: Grant
    Filed: February 23, 2010
    Date of Patent: April 22, 2014
    Assignee: LG Innotek Co., Ltd.
    Inventors: Choong Youl Kim, Joong In An, Seung Hyok Park, Ho Shin Yoon, Chang Hee Lee
  • PHOSPHOR AND LIGHT EMITTING DEVICE
    Publication number: 20130313966
    Abstract: A phosphor and a light emitting device containing the phosphor are provided. According to an embodiment, the phosphor is expressed in a chemical formula of LxMyCz1Nz2:Aa where L is at least one of an alkaline earth metal, a transition metal, Zn, Cd, Al, Ga, In, Ti, Ge, and Sn; M is at least one of B, Si, P, S, F, Cl, I, and Se; and A is at least one of an alkaline rare earth metal and the transition metal, and where 0<x?5, 0?y?5, 1?z1?10, 1?z2?10, and 0<a?1.
    Type: Application
    Filed: July 31, 2013
    Publication date: November 28, 2013
    Applicants: FORCE4 CORP., LG INNOTEK CO., LTD.
    Inventors: Choong Youl KIM, Joong In AN, Seung Hyok PARK, Ho Shin YOON, Chang Hee LEE
  • Phosphor material, coating phosphor composition, and light emitting device
    Patent number: 8013517
    Abstract: Disclosed are a phosphor, a coating phosphor composition, a method for preparing the phosphor, and a light emitting device. A silicate-based phosphor is expressed in a chemical formula of (4-x-y-z)SrO.xBaO.zCaO.aMgO.2(SiO2).bM2O3:yEu, wherein M is at least one of Y, Ce, La, Nd, Gd, Tb, Yb or Lu, in which 0<x?3.95, 0<y?1, 0?z<3.95, x+y+z<4, 0<a<2, and 0<b<1.
    Type: Grant
    Filed: December 27, 2007
    Date of Patent: September 6, 2011
    Assignees: LG Innotek Co., Ltd., Force4 Corp.
    Inventors: Choong Youl Kim, Sung Min Kong, Hee Seok Choi, Seung Hyok Park, Ho Shin Yoon, Chang Hee Lee
  • PHOSPHOR AND LIGHT EMITTING DEVICE
    Publication number: 20100213489
    Abstract: A phosphor and a light emitting device containing the phosphor are provided. According to an embodiment, the phosphor is expressed in a chemical formula of LxMyCz1Nz2:Aa where L is at least one of an alkaline earth metal, a transition metal, Zn, Cd, Al, Ga, In, Ti, Ge, and Sn; M is at least one of B, Si, P, S, F, Cl, I, and Se; and A is at least one of an alkaline rare earth metal and the transition metal, and where 0<x?5, 0?y?5, 1?z1?10, 1?z2?10, and 0<a?1.
    Type: Application
    Filed: February 23, 2010
    Publication date: August 26, 2010
    Inventors: Choong Youl Kim, Joong In An, Seung Hyok Park, Ho Shin Yoon, Chang Hee Lee
  • PHOSPHOR MATERIAL, COATING PHOSPHOR COMPOSITION, METHOD OF PREPARING PHOSPHOR MATERIAL AND LIGHT EMITTING DEVICE
    Publication number: 20090206729
    Abstract: Disclosed are phosphor, coating phosphor composition, a method for preparing the phosphor, and a light emitting device. A silicate-based phosphor is expressed in a chemical formula of (4-x-y-z)SrO.xBaO.zCaO.aMgO.2(SiO2).bM2O3: yEU, wherein M is at least one of Y, Ce, La, Nd, Gd, Tb, Yb or Lu, in which 0<x=3.95, 0<y=1, 0=z<3.95, x+y+z<4, 0<a<2, and 0<b<1.
    Type: Application
    Filed: December 27, 2007
    Publication date: August 20, 2009
    Applicants: LG INNOTEK CO., LTD, FORCE4 CORP.
    Inventors: Choong Youl Kim, Sung Min Kong, Hee Seok Choi, Seung Hyok Park, Ho Shin Yoon, Chang Hee Lee