Patents by Inventor Hyung-sik Jang

Hyung-sik Jang 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: 20240081131
    Abstract: A display device includes a glass substrate including a first surface, a second surface opposite to the first surface, and a side surface between the first and second surfaces, an outermost structure disposed on the first surface and adjacent to an edge of the glass substrate, and a display area including a plurality of emission areas spaced apart from the edge on the first surface of the glass substrate. The side surface has a curved shape with the edge protruding to an outermost side of the glass substrate, the side surface includes a first side surface between the edge and the first surface, and a second side surface between the edge and the second surface and having a different curvature from the first side surface, and the glass substrate includes an edge area on the first surface, adjacent to the edge, and, in which processing traces are left.
    Type: Application
    Filed: June 9, 2023
    Publication date: March 7, 2024
    Inventors: Jeong Ho KIM, Konstantin MISHCHIK, Hyung Sik KIM, Kyung Han YOO, Seung Hoon JANG, Se Yeon HWANG
  • Publication number: 20230227312
    Abstract: Low-density carbon nanotubes may be prepared using a fluidized bed reactor provided with a side nozzle, and are excellent in electrical properties and appearance characteristics when used as a composite material.
    Type: Application
    Filed: August 6, 2021
    Publication date: July 20, 2023
    Inventors: Hyung Sik JANG, Hye Jin PARK, Se Hyun KIM, Og Sin KIM
  • Patent number: 11084929
    Abstract: The present invention provides a silicone composite material having a cured conductive rubber composition containing liquid silicone and carbon nanotubes, wherein the initial viscosity of the liquid silicone and the volume resistance of the silicone composite material satisfy a specific relationship, and when the silicone composite material is provided through the relationship equation, the reproducibility of the volume resistance value is excellent. A silicone composite material manufactured to satisfy the relationship equation is characterized in that the resistance deviation in the composite is small and the appearance properties thereof are excellent.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: August 10, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Hyung Sik Jang, Pyeong Gi Kim, Se Hyun Kim, Dong Hyun Cho
  • Patent number: 10920077
    Abstract: The present invention relates to a conductive silicone composition including conductive rubber compositions containing 100 parts by weight of liquid silicone and 0.5 to 2.5 parts by weight of carbon nanotubes, wherein the initial viscosity of the liquid silicone is 5,000 to 41,000 cP, the average viscosity of the conductive rubber compositions is 80,000 to 350,000 cP and the viscosity difference between the initial viscosity of the liquid silicone and the average viscosity of the conductive rubber compositions is 70,000 to 310,000 cP. The conductive silicone composition as described above is excellent in processibility when processed into a silicone composite material, and the volume resistance of a manufactured silicone composite material may be greatly improved.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: February 16, 2021
    Assignee: LG CHEM, LTD
    Inventors: Hyung Sik Jang, Se Hyun Kim, Pyeong Gi Kim, Dong Hyun Cho
  • Publication number: 20200148882
    Abstract: The present invention provides a silicone composite material having a cured conductive rubber composition containing liquid silicone and carbon nanotubes, wherein the initial viscosity of the liquid silicone and the volume resistance of the silicone composite material satisfy a specific relationship, and when the silicone composite material is provided through the relationship equation, the reproducibility of the volume resistance value is excellent. A silicone composite material manufactured to satisfy the relationship equation is characterized in that the resistance deviation in the composite is small and the appearance properties thereof are excellent.
    Type: Application
    Filed: November 28, 2018
    Publication date: May 14, 2020
    Inventors: Hyung Sik JANG, Pyeong Gi KIM, Se Hyun KIM, Dong Hyun CHO
  • Publication number: 20200040185
    Abstract: The present invention relates to a conductive silicone composition including conductive rubber compositions containing 100 parts by weight of liquid silicone and 0.5 to 2.5 parts by weight of carbon nanotubes, wherein the initial viscosity of the liquid silicone is 5,000 to 41,000 cP, the average viscosity of the conductive rubber compositions is 80,000 to 350,000 cP and the viscosity difference between the initial viscosity of the liquid silicone and the average viscosity of the conductive rubber compositions is 70,000 to 310,000 cP. The conductive silicone composition as described above is excellent in processibility when processed into a silicone composite material, and the volume resistance of a manufactured silicone composite material may be greatly improved.
    Type: Application
    Filed: November 28, 2018
    Publication date: February 6, 2020
    Inventors: Hyung Sik JANG, Se Hyun KIM, Pyeong Gi KIM, Dong Hyun CHO
  • Patent number: 7403333
    Abstract: A projection television including a screen providing a picture; a cover provided to a front portion of the screen; and a screen rear supporting assembly provided in rear of the screen to support a rear of the screen. The screen rear supporting assembly includes, a fixing bracket coupled with rear edge of the screen; a supporting bracket provided with an inclined rib having an inclined surface inclined along a transverse direction to a rear surface of the screen facing the rear surface of the screen to connect to a rear of the fixing bracket; and a connecting bracket to connect the supporting bracket and the fixing bracket. Thus, the present invention provides a screen rear supporting assembly of a projection television, which is assembled with ease, and a screen scratch during the assembling operation of the screen rear supporting assembly can be prevented.
    Type: Grant
    Filed: April 13, 2004
    Date of Patent: July 22, 2008
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyung-sik Jang, Sang-hak Kim
  • Patent number: 7011416
    Abstract: A projection television having a CRT assembly projecting image beams and front and rear casings, respectively provided in a front and a back of the CRT assembly, and further having a pair of CRT brackets provided between the front and rear casings, to support the CRT assembly. The CRT bracket is made of a conductive metallic material, thereby reducing deformation and deterioration because of changes in temperature and humidity, discharging heat generated from the CRT assembly, and blocking EMI.
    Type: Grant
    Filed: September 2, 2003
    Date of Patent: March 14, 2006
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Nam-Il Cho, Sung-ki Min, Young-tai Kim, Soon-woo Lim, Hyung-sik Jang, Soon-haeng Heo
  • Publication number: 20050018093
    Abstract: A projection television including a screen providing a picture; a cover provided to a front portion of the screen; and a screen rear supporting assembly provided in rear of the screen to support a rear of the screen. The screen rear supporting assembly includes, a fixing bracket coupled with rear edge of the screen; a supporting bracket provided with an inclined rib having an inclined surface inclined along a transverse direction to a rear surface of the screen facing the rear surface of the screen to connect to a rear of the fixing bracket; and a connecting bracket to connect the supporting bracket and the fixing bracket. Thus, the present invention provides a screen rear supporting assembly of a projection television, which is assembled with ease, and a screen scratch during the assembling operation of the screen rear supporting assembly can be prevented.
    Type: Application
    Filed: April 13, 2004
    Publication date: January 27, 2005
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Hyung-sik Jang, Sang-hak Kim
  • Publication number: 20040090603
    Abstract: A projection television having a CRT assembly projecting image beams and front and rear casings, respectively provided in a front and a back of the CRT assembly, and further having a pair of CRT brackets provided between the front and rear casings, to support the CRT assembly. The CRT bracket is made of a conductive metallic material, thereby reducing deformation and deterioration because of changes in temperature and humidity, discharging heat generated from the CRT assembly, and blocking EMI.
    Type: Application
    Filed: September 2, 2003
    Publication date: May 13, 2004
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Nam-Il Cho, Sung-Ki Min, Young-Tai Kim, Seon-Woo Lim, Hyung-Sik Jang, Soon-Haeng Heo