Patents by Inventor Yeong Deuk Jo

Yeong Deuk 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).

  • Patent number: 10290597
    Abstract: A semiconductor device according to an embodiment comprises a substrate, an epitaxial layer on the substrate, and a cluster including a plurality of particles disposed on the epitaxial layer, the particles being disposed to be apart from each other, and contacting the epitaxial layer.
    Type: Grant
    Filed: July 31, 2015
    Date of Patent: May 14, 2019
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Yeong Deuk Jo
  • Publication number: 20170236793
    Abstract: A semiconductor device according to an embodiment comprises a substrate, an epitaxial layer on the substrate, and a cluster including a plurality of particles disposed on the epitaxial layer, the particles being disposed to be apart from each other, and contacting the epitaxial layer.
    Type: Application
    Filed: July 31, 2015
    Publication date: August 17, 2017
    Inventor: Yeong Deuk Jo
  • Patent number: 9525030
    Abstract: A semiconductor device according to the embodiment comprises a base substrate; patterns on the base substrate; and an epitaxial layer on the base substrate, wherein the epitaxial layer is formed on a surface of the substrate exposed among the patterns. A method for growing a semiconductor crystal comprises the steps of cleaning a silicon carbide substrate; forming patterns on the silicon carbide substrate; and forming an epitaxial layer on the silicon carbide substrate.
    Type: Grant
    Filed: June 13, 2012
    Date of Patent: December 20, 2016
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Min Young Hwang, Seok Min Kang, Moo Seong Kim, Yeong Deuk Jo
  • Patent number: 9269776
    Abstract: A semiconductor device comprises a base substrate, a pattern on the base substrate, a buffer layer on the base substrate, and an epitaxial layer on the buffer. The pattern is a self-assembled pattern. A method for growing a semiconductor crystal comprises cleaning a silicon carbide substrate, forming a self-assembled pattern on the silicon carbide substrate, forming a buffer layer on the silicon carbide substrate, and forming an epitaxial layer on the buffer layer. A semiconductor device comprises a base substrate comprising a pattern groove and an epitaxial layer on the base substrate. A method for growing a semiconductor crystal comprises cleaning a silicon carbide substrate, forming a self-assembled projection on the silicon carbide substrate, forming a pattern groove in the silicon carbide, and forming an epitaxial layer on the silicon carbide.
    Type: Grant
    Filed: January 20, 2012
    Date of Patent: February 23, 2016
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Moo Seong Kim, Yeong Deuk Jo, Chang Hyun Son, Bum Sup Kim
  • Publication number: 20140154423
    Abstract: A deposition apparatus according to the embodiment includes a gas supply part for supplying a first gas; an ionization part connected to the gas supply part to supply a second gas, which is obtained by ionizing the first gas; and a reaction part into which the second gas is introduced to create a reaction. A deposition method according to the embodiment includes the steps of preparing a first gas; supplying a second gas, which is obtained by ionizing the first gas; and reacting the second gas with a substrate.
    Type: Application
    Filed: June 21, 2012
    Publication date: June 5, 2014
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Yeong Deuk Jo, Seok Min Kang, Moo Seong Kim
  • Publication number: 20140137799
    Abstract: A deposition apparatus and a method of forming a thin film are provided. The deposition apparatus includes a reaction gas supply unit supplying a reaction gas, a buffer unit temporarily storing the reaction gas supplied from the reaction gas supply unit, and a deposition unit forming a thin film by using the reaction gas supplied from the buffer unit.
    Type: Application
    Filed: January 9, 2012
    Publication date: May 22, 2014
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Yeong Deuk JO, Moo Seong KIM, Seok Min KANG
  • Publication number: 20140131736
    Abstract: A semiconductor device according to the embodiment comprises a base substrate; patterns on the base substrate; and an epitaxial layer on the base substrate, wherein the epitaxial layer is formed on a surface of the substrate exposed among the patterns. A method for growing a semiconductor crystal comprises the steps of cleaning a silicon carbide substrate; forming patterns on the silicon carbide substrate; and forming an epitaxial layer on the silicon carbide substrate.
    Type: Application
    Filed: June 13, 2012
    Publication date: May 15, 2014
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Min Young Hwang, Seok Min Kang, Moo Seong Kim, Yeong Deuk Jo
  • Publication number: 20140054610
    Abstract: A semiconductor device comprises a base substrate, a pattern on the base substrate, a buffer layer on the base substrate, and an epitaxial layer on the buffer. The pattern is a self-assembled pattern. A method for growing a semiconductor crystal comprises cleaning a silicon carbide substrate, forming a self-assembled pattern on the silicon carbide substrate, forming a buffer layer on the silicon carbide substrate, and forming an epitaxial layer on the buffer layer. A semiconductor device comprises a base substrate comprising a pattern groove and an epitaxial layer on the base substrate. A method for growing a semiconductor crystal comprises cleaning a silicon carbide substrate, forming a self-assembled projection on the silicon carbide substrate, forming a pattern groove in the silicon carbide, and forming an epitaxial layer on the silicon carbide.
    Type: Application
    Filed: January 20, 2012
    Publication date: February 27, 2014
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Moo Seong Kim, Yeong Deuk Jo, Chang Hyun Son, Bum Sup Kim