Patents by Inventor Ji Hyung Moon

Ji Hyung Moon 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: 11450788
    Abstract: In an embodiment, disclosed is a semiconductor device comprising: a semiconductor structure which comprises a first conductive semiconductor layer, a second conductive semiconductor layer, and an active layer disposed between the first conductive semiconductor layer and the second conductive semiconductor layer; a first electrode which is electrically connected to the first conductive semiconductor layer; and a second electrode which is electrically connected to the second conductive semiconductor layer, wherein an area ratio between an area of an upper surface of the second conductive semiconductor layer and an area of an outer surface of the active layer is 1:0.0005 to 1:0.01.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: September 20, 2022
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Yong Tae Moon, Ji Hyung Moon, Sang Youl Lee
  • Patent number: 11398581
    Abstract: Disclosed is a semiconductor device including a semiconductor structure including a first semiconductor layer, a second semiconductor layer, and an active layer disposed between the first semiconductor layer and the second semiconductor layer, a first electrode electrically connected to the first semiconductor layer, and a second electrode electrically connected to the second semiconductor layer. The semiconductor structure includes a first upper surface on which the first semiconductor layer is exposed, a second upper surface on which the second semiconductor layer is disposed, an inclined surface connecting the first upper surface and the second upper surface, and a recess formed between the first upper surface and the inclined surface. The recess has a depth less than or equal to 30% of a vertical distance between the first upper surface and the second upper surface.
    Type: Grant
    Filed: November 2, 2018
    Date of Patent: July 26, 2022
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sang Youl Lee, Chung Song Kim, Ji Hyung Moon, Sun Woo Park, Hyeon Min Cho
  • Patent number: 11239394
    Abstract: Disclosed herein is a semiconductor device including a light emitting structure including a first conductive type semiconductor layer, a plurality of active layers disposed to be spaced apart on the first conductive type semiconductor layer, and a plurality of second conductive type semiconductor layers disposed on the plurality of active layers, respectively, a first electrode electrically connected to the first conductive type semiconductor layer, and a plurality of second electrodes electrically connected to the plurality of second conductive type semiconductor layers, respectively, wherein the plurality of active layers include a first active layer, a second active layer, and a third active layer, the light emitting structure includes a first light emitter including the first active layer, a second light emitter including the second active layer, and a third light emitter including the third active layer, the first active layer emits light in a blue wavelength band, the second active layer emits light in
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: February 1, 2022
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sun Woo Park, Myung Ho Han, Hyeon Min Cho, June O Song, Chung Song Kim, Ji Hyung Moon, Sang Youl Lee
  • Patent number: 11158668
    Abstract: Disclosed in an embodiment is a display device comprising a panel substrate and a plurality of semiconductor devices disposed on the panel substrate, wherein the panel substrate includes first and second regions disposed in a first direction, the plurality of semiconductor devices include a plurality of first semiconductor devices disposed in the first region and a plurality of second semiconductor devices disposed in the second region, the wavelength deviation between the first semiconductor device disposed at the edge of the first region and the second semiconductor device disposed at the edge of the second region is within 2 nm, and the wavelength pattern of the plurality of first semiconductor devices in the first direction is the same as the wavelength pattern of the plurality of second semiconductor devices in the first direction.
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: October 26, 2021
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sang Youl Lee, Chung Song Kim, Yong Tae Moon, Ji Hyung Moon, Sun Woo Park, Hyeon Min Cho
  • Patent number: 10998478
    Abstract: A light-emitting element according to an embodiment comprises: a substrate; a light-emitting structure comprising a first conductive semiconductor layer, an active layer, a second conductive semiconductor layer, which are successively arranged on the substrate; and first and second electrodes, which are electrically connected to the first and second conductive semiconductor layers, respectively, wherein the first electrode comprises at least one first contact portion arranged on the first conductive semiconductor layer, which is exposed to at least a part of a first area of the light-emitting structure, and connected to the first conductive semiconductor layer, and a plurality of second contact portions connected to the first conductive semiconductor layer that is exposed in a second area, which is positioned, on a plane, closer to the inner side than the first area of the light-emitting structure, and the second electrode comprises a third contact part, which is arranged in the second area of the light-emitt
    Type: Grant
    Filed: August 18, 2016
    Date of Patent: May 4, 2021
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Ji Hyung Moon, Woo Sik Lim
  • Publication number: 20210066563
    Abstract: Disclosed in an embodiment are a semiconductor device and a light-emitting device package including same, the semiconductor device comprising: a substrate; a plurality of semiconductor structures arranged in a matrix shape in the central area of the substrate; passivation layers arranged on upper surfaces and lateral surfaces of the semiconductor structures and on the edge area of the substrate; a plurality of first wiring lines which are arranged at lower parts of the plurality of semiconductor structures and electrically connected thereto, and which include first end parts extending from the central area to the edge area of the substrate; a plurality of second wiring lines which are arranged at the lower parts of the plurality of semiconductor structures and electrically connected thereto, and which include second end parts extending from the central area to the edge area of the substrate; a plurality of first pads penetrating the passivation layer so as to be connected to the plurality of first end parts;
    Type: Application
    Filed: March 15, 2019
    Publication date: March 4, 2021
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Sang Youl LEE, Ki Man KANG, Ji Hyung MOON, Yoon Min JO
  • Publication number: 20210036187
    Abstract: Disclosed is a semiconductor device including a semiconductor structure including a first semiconductor layer, a second semiconductor layer, and an active layer disposed between the first semiconductor layer and the second semiconductor layer, a first electrode electrically connected to the first semiconductor layer, and a second electrode electrically connected to the second semiconductor layer. The semiconductor structure includes a first upper surface on which the first semiconductor layer is exposed, a second upper surface on which the second semiconductor layer is disposed, an inclined surface connecting the first upper surface and the second upper surface, and a recess formed between the first upper surface and the inclined surface. The recess has a depth less than or equal to 30% of a vertical distance between the first upper surface and the second upper surface.
    Type: Application
    Filed: November 2, 2018
    Publication date: February 4, 2021
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Sang Youl LEE, Chung Song KIM, Ji Hyung MOON, Sun Woo PARK, Hyeon Min CHO
  • Publication number: 20210020807
    Abstract: In an embodiment, disclosed is a semiconductor device comprising: a semiconductor structure which comprises a first conductive semiconductor layer, a second conductive semiconductor layer, and an active layer disposed between the first conductive semiconductor layer and the second conductive semiconductor layer; a first electrode which is electrically connected to the first conductive semiconductor layer; and a second electrode which is electrically connected to the second conductive semiconductor layer, wherein an area ratio between an area of an upper surface of the second conductive semiconductor layer and an area of an outer surface of the active layer is 1:0.0005 to 1:0.01.
    Type: Application
    Filed: March 22, 2019
    Publication date: January 21, 2021
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Yong Tae MOON, Ji Hyung MOON, Sang Youl LEE
  • Patent number: 10833226
    Abstract: Disclosed are a light emitting device and a light emitting device package. The light emitting device includes a light emitting structure including a first conductive semiconductor layer, an active layer on the first conductive semiconductor layer, and a second conductive semiconductor layer on the active layer, an adhesive layer contacting a top surface of the first conductive semiconductor layer, a first electrode contacting a top surface of the first conductive semiconductor and a top surface of the adhesive layer, and a second electrode contacting the second conductive semiconductor layer, wherein the adhesive layer contacting the first electrode is spaced apart from the second electrode.
    Type: Grant
    Filed: October 17, 2019
    Date of Patent: November 10, 2020
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Hwan Hee Jeong, Sang Youl Lee, June O. Song, Ji Hyung Moon, Kwang Ki Choi
  • Patent number: 10790330
    Abstract: One embodiment discloses a semiconductor device comprising: a plurality of light-emitting units; a plurality of wavelength conversion layers each disposed on the plurality of light-emitting units; partitions disposed between the plurality of light-emitting units and between the plurality of wavelength conversion layers; a plurality of color filters each disposed on the plurality of wavelength conversion layers; and black matrix disposed between the plurality of color filters.
    Type: Grant
    Filed: November 24, 2017
    Date of Patent: September 29, 2020
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sang Youl Lee, Chung Song Kim, Ji Hyung Moon, Sun Woo Park, Hyeon Min Cho
  • Publication number: 20200286949
    Abstract: Disclosed in an embodiment is a display device comprising a panel substrate and a plurality of semiconductor devices disposed on the panel substrate, wherein the panel substrate includes first and second regions disposed in a first direction, the plurality of semiconductor devices include a plurality of first semiconductor devices disposed in the first region and a plurality of second semiconductor devices disposed in the second region, the wavelength deviation between the first semiconductor device disposed at the edge of the first region and the second semiconductor device disposed at the edge of the second region is within 2 nm, and the wavelength pattern of the plurality of first semiconductor devices in the first direction is the same as the wavelength pattern of the plurality of second semiconductor devices in the first direction.
    Type: Application
    Filed: September 19, 2018
    Publication date: September 10, 2020
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Sang Youl LEE, Chung Song KIM, Yong Tae MOON, Ji Hyung MOON, Sun Woo PARK, Hyeon Min CHO
  • Patent number: 10755981
    Abstract: An embodiment provides a display device manufacturing method comprising the steps of: preparing a substrate having a plurality of semiconductor chips arranged thereon (S1); bonding at least one first semiconductor chip of the plurality of semiconductor chips to a transfer member (S2); irradiating laser light to the first semiconductor chip to separate the first semiconductor chip from the substrate (S3); disposing the first semiconductor chip on a panel substrate of a display device by means of the transfer member (S4); and irradiating light to the transfer member to separate the first semiconductor chip from the transfer member (S5), wherein the transfer member comprises: a transfer layer and a bonding layer disposed on one surface of the transfer layer; the bonding layer comprises at least one bonding protrusion; and the first semiconductor chip is bonded to the bonding protrusion in step S2.
    Type: Grant
    Filed: January 5, 2018
    Date of Patent: August 25, 2020
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sang Youl Lee, Chung Song Kim, Ji Hyung Moon, Sun Woo Park, Hyeon Min Cho
  • Publication number: 20200127173
    Abstract: Disclosed herein is a semiconductor device including a light emitting structure including a first conductive type semiconductor layer, a plurality of active layers disposed to be spaced apart on the first conductive type semiconductor layer, and a plurality of second conductive type semiconductor layers disposed on the plurality of active layers, respectively, a first electrode electrically connected to the first conductive type semiconductor layer, and a plurality of second electrodes electrically connected to the plurality of second conductive type semiconductor layers, respectively, wherein the plurality of active layers include a first active layer, a second active layer, and a third active layer, the light emitting structure includes a first light emitter including the first active layer, a second light emitter including the second active layer, and a third light emitter including the third active layer, the first active layer emits light in a blue wavelength band, the second active layer emits light in
    Type: Application
    Filed: March 17, 2017
    Publication date: April 23, 2020
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Sun Woo PARK, Myung Ho HAN, Hyeon Min CHO, June O SONG, Chung Song KIM, Ji Hyung MOON, Sang Youl LEE
  • Patent number: 10600936
    Abstract: A semiconductor device, according to one embodiment, may comprise: a light-emitting structure comprising a first conductivity type semiconductor layer, an active layer disposed on the first conductivity type semiconductor layer, and a second conductivity type semiconductor layer disposed on the active layer; a transistor disposed on the light-emitting structure and comprising a semiconductor layer, a source electrode, a gate electrode, and a drain electrode; a second electrode disposed on the second conductivity type semiconductor layer and electrically connected to the drain electrode and the second conductivity type semiconductor layer; a first bonding pad disposed on the light-emitting structure and electrically connected to the first conductivity type semiconductor layer; a second bonding pad disposed on the transistor and electrically connected to the source electrode; and a third bonding pad disposed on the transistor and electrically connected to the gate electrode.
    Type: Grant
    Filed: March 28, 2017
    Date of Patent: March 24, 2020
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sang Youl Lee, Chung Song Kim, Ji Hyung Moon, Sun Woo Park, June O Song
  • Patent number: 10593836
    Abstract: The light-emitting device according to one embodiment includes a substrate; a plurality of light-emitting cells disposed on the substrate so as to be spaced apart from each other; and a connection line configured to electrically interconnect neighboring light-emitting cells, wherein each of the light-emitting cells includes: a light-emitting structure including a first semiconductor layer, an active layer, and a second semiconductor layer disposed on the substrate; and first and second electrodes configured to be electrically connected to the first and second semiconductor layers respectively, wherein the light-emitting cells include: a first power cell configured to receive first power via the first electrode; and a second power cell configured to receive second power via the second electrode, and wherein the first electrode in the first power cell has a first planar shape different from a second planar shape of the second electrode in the second power cell.
    Type: Grant
    Filed: July 18, 2016
    Date of Patent: March 17, 2020
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Ji Hyung Moon
  • Publication number: 20200052162
    Abstract: Disclosed are a light emitting device and a light emitting device package. The light emitting device includes a light emitting structure including a first conductive semiconductor layer, an active layer on the first conductive semiconductor layer, and a second conductive semiconductor layer on the active layer, an adhesive layer contacting a top surface of the first conductive semiconductor layer, a first electrode contacting a top surface of the first conductive semiconductor and a top surface of the adhesive layer, and a second electrode contacting the second conductive semiconductor layer, wherein the adhesive layer contacting the first electrode is spaced apart from the second electrode.
    Type: Application
    Filed: October 17, 2019
    Publication date: February 13, 2020
    Inventors: Hwan Hee JEONG, Sang Youl LEE, June O. SONG, Ji Hyung MOON, Kwang Ki CHOI
  • Patent number: 10541254
    Abstract: A thin film transistor substrate according to an embodiment comprises: a support substrate; a bonding layer disposed on the support substrate; a thin film transistor disposed on the bonding layer, wherein the thin film transistor includes a channel layer containing a nitride-based semiconductor layer, a source electrode electrically connected to a first region of the channel layer, a drain electrode electrically connected to a second region of the channel layer, a gate electrode disposed below the channel layer, and a depletion forming layer disposed between the channel layer and the gate electrode; and a pixel electrode disposed on the thin film transistor and electrically connected to the drain electrode of the thin film transistor. The thin film transistor substrate according to the embodiment, and a display panel and a display device including the same have an advantage of implementing high resolution and reproducing a soft moving image by providing a high carrier mobility.
    Type: Grant
    Filed: October 14, 2016
    Date of Patent: January 21, 2020
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sang Youl Lee, Chung Song Kim, Ji Hyung Moon, Sun Woo Park, June O Song
  • Publication number: 20200013932
    Abstract: A semiconductor device package according to the present invention comprises: a semiconductor device including a substrate, a light-emitting structure, and a first pad and second pad electrically connected to the light-emitting structure; a wavelength converting unit disposed to surround the upper surface and side surfaces of the semiconductor device; and a light control unit disposed on the wavelength converting unit, wherein the wavelength converting unit may include an upper surface spaced a first spacing interval apart in a vertical direction from the semiconductor device, and a side surface spaced a second spacing interval apart in a horizontal direction from the semiconductor device. The present invention relates to a semiconductor device package and a light source module.
    Type: Application
    Filed: January 17, 2018
    Publication date: January 9, 2020
    Inventors: Ji Hyung MOON, Kyoung Un KIM, Sun Woo PARK, June O SONG, Sun Woo OH, Sang Jun LEE, Hwan Hee JEONG, Myung Ho HAN
  • Patent number: 10510929
    Abstract: Disclosed are a light emitting device and a light emitting device package. The light emitting device includes a light emitting structure including a first conductive semiconductor layer, an active layer on the first conductive semiconductor layer, and a second conductive semiconductor layer on the active layer, an adhesive layer contacting a top surface of the first conductive semiconductor layer, a first electrode contacting a top surface of the first conductive semiconductor and a top surface of the adhesive layer, and a second electrode contacting the second conductive semiconductor layer, wherein the adhesive layer contacting the first electrode is spaced apart from the second electrode.
    Type: Grant
    Filed: August 20, 2018
    Date of Patent: December 17, 2019
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Hwan Hee Jeong, Sang Youl Lee, June O. Song, Ji Hyung Moon, Kwang Ki Choi
  • Publication number: 20190378873
    Abstract: One embodiment discloses a semiconductor device comprising: a plurality of light-emitting units; a plurality of wavelength conversion layers each disposed on the plurality of light-emitting units; partitions disposed between the plurality of light-emitting units and between the plurality of wavelength conversion layers; a plurality of color filters each disposed on the plurality of wavelength conversion layers; and black matrix disposed between the plurality of color filters.
    Type: Application
    Filed: November 24, 2017
    Publication date: December 12, 2019
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Sang Youl LEE, Chung Song KIM, Ji Hyung MOON, Sun Woo PARK, Hyeon Min CHO