Patents by Inventor Duk Hyun Yun

Duk Hyun Yun 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: 11387395
    Abstract: A lighting device disclosed in an embodiment of the invention includes a substrate; a plurality of light emitting devices disposed on the substrate; a resin layer disposed on the substrate and the plurality of light emitting devices and including a lens portion; and a plurality of recess portions that seal a periphery of each of the light emitting devices and form a space spaced apart between the lens portion and the substrate. The resin layer includes a flat upper surface and a lower surface disposed on the substrate, and the lens portion may include a protrusion portion protruding toward a central portion of the light emitting device, a first incident surface having a convex curved surface around the protrusion portion, and a second incident surface extending perpendicular to the substrate from a lower portion of the first incident surface.
    Type: Grant
    Filed: May 3, 2019
    Date of Patent: July 12, 2022
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Duk Hyun Yun, Dong Il Eom
  • Publication number: 20210226106
    Abstract: A lighting device disclosed in an embodiment of the invention includes a substrate; a plurality of light emitting devices disposed on the substrate; a resin layer disposed on the substrate and the plurality of light emitting devices and including a lens portion; and a plurality of recess portions that seal a periphery of each of the light emitting devices and form a space spaced apart between the lens portion and the substrate. The resin layer includes a flat upper surface and a lower surface disposed on the substrate, and the lens portion may include a protrusion portion protruding toward a central portion of the light emitting device, a first incident surface having a convex curved surface around the protrusion portion, and a second incident surface extending perpendicular to the substrate from a lower portion of the first incident surface.
    Type: Application
    Filed: May 3, 2019
    Publication date: July 22, 2021
    Inventors: Duk Hyun YUN, Dong II EOM
  • Patent number: 9519099
    Abstract: Disclosed are an illumination system and a display apparatus using the same. The illumination system includes a light guide plate; grooves disposed in the light guide plate, each of the grooves having at least one inclined surface; light source modules disposed within the grooves, wherein the light source modules comprise, substrates and light sources disposed on the substrates; and stoppers disposed between a first surface of each of the light sources and the at least one inclined surface of each of the grooves, the first surface of each of the light sources facing the at least one inclined surface. A cross-sectional area of the grooves is larger than that of the stoppers.
    Type: Grant
    Filed: October 10, 2014
    Date of Patent: December 13, 2016
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Min Sang Kim, Moon Jeong Kim, Jeong Hwan Kim, Jung In Seo, Duk Hyun Yun, Sang Hyeok Jung
  • Patent number: 9297513
    Abstract: A display apparatus with an illumination unit has first and second reflectors, at least one light source module placed between the first and second reflectors, and a bracket configured to support the light source module. The bracket includes a body configured to connect one side of the first reflector to one side of the second reflector, a first fastening member protruding from an inner surface of the body, and a second fastening member protruding from an outer surface of the body.
    Type: Grant
    Filed: December 11, 2012
    Date of Patent: March 29, 2016
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Moon Jeong Kim, Duk Hyun Yun
  • Patent number: 9091410
    Abstract: Disclosed are a backlight unit and a display using the same. The backlight unit includes a first reflector, a second reflector, and at least one light source disposed between the first reflector and the second reflector, and the end of the second reflector is separated from the at least one light source by a first distance in the upward direction of the at least one light source.
    Type: Grant
    Filed: May 27, 2014
    Date of Patent: July 28, 2015
    Assignee: LG Innotek Co., Ltd.
    Inventors: Duk Hyun Yun, Se Jin Ko, Sang Hyeok Jung
  • Patent number: 8944624
    Abstract: Disclosed herein are an illumination unit and a display apparatus. The illumination unit includes a first reflector, a second reflector arranged at either side of the first reflector, at least one light source module arranged between the first reflector and the second reflector, a cover member for covering the second reflector, an optical member arranged between the cover member and the second reflector while facing the first reflector, a first projection member interposed between the optical member and the cover member, and a second projection member interposed between the optical member and the second reflector. The distance from the cover member to one side surface of the first projection member is longer than the distance from the cover member to one side surface of the second projection member.
    Type: Grant
    Filed: February 22, 2013
    Date of Patent: February 3, 2015
    Assignee: LG Innotek Co., Ltd.
    Inventors: Moon Jeong Kim, Duk Hyun Yun
  • Publication number: 20150023058
    Abstract: Disclosed are an illumination system and a display apparatus using the same. The illumination system includes a light guide plate; grooves disposed in the light guide plate, each of the grooves having at least one inclined surface; light source modules disposed within the grooves, wherein the light source modules comprise, substrates and light sources disposed on the substrates; and stoppers disposed between a first surface of each of the light sources and the at least one inclined surface of each of the grooves, the first surface of each of the light sources facing the at least one inclined surface. A cross-sectional area of the grooves is larger than that of the stoppers.
    Type: Application
    Filed: October 10, 2014
    Publication date: January 22, 2015
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Min Sang Kim, Moon Jeong Kim, Jeong Hwan Kim, Jung In Seo, Duk Hyun Yun, Sang Hyeok Jung
  • Patent number: 8876319
    Abstract: Disclosed are a backlight unit and a display apparatus using the same. The backlight unit includes a light guide plate, grooves disposed in the light guide plate, the grooves having at least one inclined surface, light source modules disposed within the grooves, and stoppers disposed between the light source modules and the light guide plate, wherein a cross-sectional area of the grooves is larger than that of the stoppers. The stoppers contact at least one of the side surfaces of the grooves, the bottom surfaces of the grooves and the light source modules.
    Type: Grant
    Filed: March 7, 2012
    Date of Patent: November 4, 2014
    Assignee: LG Innotek Co., Ltd.
    Inventors: Min Sang Kim, Moon Jeong Kim, Jeong Hwan Kim, Jung In Seo, Duk Hyun Yun, Sang Hyeok Jung
  • Publication number: 20140268659
    Abstract: Disclosed are a backlight unit and a display using the same. The backlight unit includes a first reflector, a second reflector, and at least one light source disposed between the first reflector and the second reflector, and the end of the second reflector is separated from the at least one light source by a first distance in the upward direction of the at least one light source.
    Type: Application
    Filed: May 27, 2014
    Publication date: September 18, 2014
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Duk Hyun YUN, Se Jin KO, Sang Hyeok JUNG
  • Patent number: 8814377
    Abstract: Disclosed herein are a backlight unit and a display apparatus using the same. The backlight unit includes at least one light source, a reflection layer to reflect light emitted from the light source, and a plurality of absorption patterns formed on a portion of the reflection layer adjacent to a light emitting surface of the light source, to partially absorb the light emitted from the light source.
    Type: Grant
    Filed: August 19, 2011
    Date of Patent: August 26, 2014
    Assignee: LG Innotek Co., Ltd.
    Inventors: Min Sang Kim, Duk Hyun Yun, Moon Jeong Kim, Jung In Seo, Jeong Hwan Kim, Ji Won Jang
  • Patent number: 8764268
    Abstract: Disclosed are a backlight unit and a display using the same. The backlight unit includes a first reflector, a second reflector, and at least one light source disposed between the first reflector and the second reflector, and the end of the second reflector is separated from the at least one light source by a first distance in the upward direction of the at least one light source.
    Type: Grant
    Filed: March 7, 2012
    Date of Patent: July 1, 2014
    Assignee: LG Innotek Co., Ltd.
    Inventors: Duk Hyun Yun, Se Jin Ko, Sang Hyeok Jung
  • Patent number: 8646932
    Abstract: Provided are a backlight unit and a display device having the same. The backlight unit configured to emit light onto a display panel in which one screen is defined into a plurality of display areas includes a bottom frame having a bottom surface and a sidewall, a plurality of light emitting diodes (LEDs) defining a plurality of light emitting areas corresponding to the display areas of the display panel, and an integrated light guide plate covering the plurality of LEDs, the integrated light guide plate being disposed on the plurality of light emitting areas corresponding to one screen. The light guide plate has a plurality of grooves for receiving at least one LED in an under surface thereof.
    Type: Grant
    Filed: June 14, 2011
    Date of Patent: February 11, 2014
    Assignee: LG Innotek Co., Ltd.
    Inventors: Kum Tae Lee, Moon Jeong Kim, Duk Hyun Yun
  • Patent number: 8582051
    Abstract: Provided are a backlight unit and a display device having the same. The backlight unit configured to emit light onto a liquid crystal panel in which one screen is defined into a plurality of display areas includes a bottom frame having a bottom surface and a sidewall, a plurality of light emitting diodes (LEDs) disposed on the bottom surface of the bottom frame, the plurality of LEDs defining a plurality of light emitting areas corresponding to the display areas of the liquid crystal panel, at least one module board supporting the plurality of LEDs, an integrated light guide plate covering the plurality of LEDs, the integrated light guide plate being disposed on the plurality of light emitting areas corresponding to one screen, and an alignment unit for aligning the integrated light guide plate with the plurality of LEDs.
    Type: Grant
    Filed: June 14, 2011
    Date of Patent: November 12, 2013
    Assignee: LG Innotek Co., Ltd.
    Inventors: Kum Tae Lee, Moon Jeong Kim, Duk Hyun Yun
  • Publication number: 20130100646
    Abstract: Disclosed are a backlight unit and a display using the same. The backlight unit includes a first reflector, a second reflector, and at least one light source disposed between the first reflector and the second reflector, and the end of the second reflector is separated from the at least one light source by a first distance in the upward direction of the at least one light source.
    Type: Application
    Filed: March 7, 2012
    Publication date: April 25, 2013
    Inventors: Duk Hyun Yun, Se Jin Ko, Sang Hyeok Jung
  • Publication number: 20120327682
    Abstract: Disclosed are a backlight unit and a display apparatus using the same. The backlight unit includes a light guide plate, grooves disposed in the light guide plate, the grooves having at least one inclined surface, light source modules disposed within the grooves, and stoppers disposed between the light source modules and the light guide plate, wherein a cross-sectional area of the grooves is larger than that of the stoppers. The stoppers contact at least one of the side surfaces of the grooves, the bottom surfaces of the grooves and the light source modules.
    Type: Application
    Filed: March 7, 2012
    Publication date: December 27, 2012
    Inventors: Min Sang KIM, Moon Jeong Kim, Jeong Hwan Kim, Jung In Seo, Duk Hyun Yun, Sang Hyeok Jung
  • Patent number: 8292447
    Abstract: Disclosed is a backlight unit. The backlight unit includes a bottom frame having a bottom surface and a sidewall, a plurality of light emitting diodes defining a plurality of light emitting areas, at least one module substrate provided on the bottom surface of the bottom frame to support at least one light emitting diode and including a connector to supply external power to the light emitting diode, and a integrated light guide plate to bury the light emitting diode therein and provided at the light emitting areas corresponding to one screen image. Dark lines are prevented in the light guide plate and a slim backlight unit is obtained by forming a integrated light guide plate corresponding to a screen image of the display panel in the backlight unit driven by dividing the light emitting areas.
    Type: Grant
    Filed: August 16, 2011
    Date of Patent: October 23, 2012
    Assignee: LG Innotek Co., Ltd.
    Inventors: Kum Tae Lee, Moon Jeong Kim, Duk Hyun Yun
  • Publication number: 20120014092
    Abstract: Disclosed is a backlight unit. The backlight unit includes a bottom frame having a bottom surface and a sidewall, a plurality of light emitting diodes defining a plurality of light emitting areas, at least one module substrate provided on the bottom surface of the bottom frame to support at least one light emitting diode and including a connector to supply external power to the light emitting diode, and a integrated light guide plate to bury the light emitting diode therein and provided at the light emitting areas corresponding to one screen image. Dark lines are prevented in the light guide plate and a slim backlight unit is obtained by forming a integrated light guide plate corresponding to a screen image of the display panel in the backlight unit driven by dividing the light emitting areas.
    Type: Application
    Filed: August 16, 2011
    Publication date: January 19, 2012
    Inventors: Kum Tae LEE, Moon Jeong Kim, Duk Hyun Yun
  • Publication number: 20110304796
    Abstract: Provided are a backlight unit and a display device having the same. The backlight unit configured to emit light onto a liquid crystal panel in which one screen is defined into a plurality of display areas includes a bottom frame having a bottom surface and a sidewall, a plurality of light emitting diodes (LEDs) disposed on the bottom surface of the bottom frame, the plurality of LEDs defining a plurality of light emitting areas corresponding to the display areas of the liquid crystal panel, at least one module board supporting the plurality of LEDs, an integrated light guide plate covering the plurality of LEDs, the integrated light guide plate being disposed on the plurality of light emitting areas corresponding to one screen, and an alignment unit for aligning the integrated light guide plate with the plurality of LEDs.
    Type: Application
    Filed: June 14, 2011
    Publication date: December 15, 2011
    Inventors: Kum Tae LEE, Moon Jeong KIM, Duk Hyun YUN
  • Publication number: 20110305004
    Abstract: Disclosed herein are a backlight unit and a display apparatus using the same. The backlight unit includes at least one light source, a reflection layer to reflect light emitted from the light source, and a plurality of absorption patterns formed on a portion of the reflection layer adjacent to a light emitting surface of the light source, to partially absorb the light emitted from the light source.
    Type: Application
    Filed: August 19, 2011
    Publication date: December 15, 2011
    Inventors: Min Sang KIM, Duk Hyun Yun, Moon Jeong Kim, Jung In Seo, Jeong Hwan Kim, Ji Won Jang
  • Publication number: 20110305003
    Abstract: Provided are a backlight unit and a display device having the same. The backlight unit configured to emit light onto a display panel in which one screen is defined into a plurality of display areas includes a bottom frame having a bottom surface and a sidewall, a plurality of light emitting diodes (LEDs) defining a plurality of light emitting areas corresponding to the display areas of the display panel, and an integrated light guide plate covering the plurality of LEDs, the integrated light guide plate being disposed on the plurality of light emitting areas corresponding to one screen. The light guide plate has a plurality of grooves for receiving at least one LED in an under surface thereof.
    Type: Application
    Filed: June 14, 2011
    Publication date: December 15, 2011
    Inventors: Kum Tae LEE, Moon Jeong KIM, Duk Hyun YUN