Patents by Inventor Chung song Kim

Chung song Kim 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: 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
  • 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
  • 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: 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: 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
  • Publication number: 20190378760
    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: Application
    Filed: January 5, 2018
    Publication date: December 12, 2019
    Inventors: Sang Youl LEE, Chung Song KIM, Ji Hyung MOON, Sun Woo PARK, Hyeon Min CHO
  • Patent number: 10483247
    Abstract: The semiconductor element according to an embodiment comprises: a light-emitting structure comprising a p-type semiconductor layer, an active layer disposed under the p-type semiconductor layer, and an n-type semiconductor layer disposed under the active layer; a protective layer disposed on the side surface and upper surface of the light-emitting structure; a p-type contact layer disposed over the p-type semiconductor layer; and an n-type contact layer disposed under the n-type semiconductor layer, wherein: the width of the lower surface of the n-type semiconductor layer is provided greater than that of the lower surface of the p-type semiconductor layer; the width of the upper surface of the n-type contact layer is provided greater than that of the upper surface of the n-type semiconductor layer; and the angle between the lower surface of the n-type semiconductor layer and the side surface of the light-emitting structure may be 30-80 degrees.
    Type: Grant
    Filed: March 7, 2017
    Date of Patent: November 19, 2019
    Assignee: LG Innotek Co., Ltd.
    Inventors: Sang Youl Lee, Chung Song Kim, Ji Hyung Moon, Sun Woo Park, June O Song
  • Patent number: 10396098
    Abstract: A thin film transistor substrate according to an embodiment includes: a substrate; and a thin film transistor disposed on the substrate, wherein the thin film transistor includes a channel layer including 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 on the channel layer, and a depletion forming layer disposed between the channel layer and the gate electrode.
    Type: Grant
    Filed: November 9, 2016
    Date of Patent: August 27, 2019
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sang Youl Lee, Chung Song Kim, Ji Hyung Moon, Sun Woo Park, June O Song
  • Publication number: 20190131494
    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: Application
    Filed: March 28, 2017
    Publication date: May 2, 2019
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Sang Youl LEE, Chung Song KIM, Ji Hyung MOON, Sun Woo PARK, June O SONG
  • Publication number: 20190115328
    Abstract: The semiconductor element according to an embodiment comprises: a light-emitting structure comprising a p-type semiconductor layer, an active layer disposed under the p-type semiconductor layer, and an n-type semiconductor layer disposed under the active layer; a protective layer disposed on the side surface and upper surface of the light-emitting structure; a p-type contact layer disposed over the p-type semiconductor layer; and an n-type contact layer disposed under the n-type semiconductor layer, wherein: the width of the lower surface of the n-type semiconductor layer is provided greater than that of the lower surface of the p-type semiconductor layer; the width of the upper surface of the n-type contact layer is provided greater than that of the upper surface of the n-type semiconductor layer; and the angle between the lower surface of the n-type semiconductor layer and the side surface of the light-emitting structure may be 30-80 degrees.
    Type: Application
    Filed: March 7, 2017
    Publication date: April 18, 2019
    Applicant: LG Innotek Co., Ltd.
    Inventors: Sang Youl LEE, Chung Song KIM, Ji Hyung MOON, Sun Woo PARK, June O SONG
  • Publication number: 20190115509
    Abstract: One embodiment relates to a light-emitting device, a backlight unit and a lighting device. The light-emitting device of the embodiment includes a light-emitting structure and a phosphor layer disposed on the light-emitting structure. The first and second pads are electrically connected with the light-emitting structure, wherein the phosphor layer is disposed on one side of the light-emitting device, and the first and second pads are disposed on the lower part of the light-emitting device. Thus a side view-type light-emitting device having a simplified structure can be enabled. Thus, the embodiment can enable thinning and slimming by means of the simplified structure.
    Type: Application
    Filed: March 29, 2017
    Publication date: April 18, 2019
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Sang Youl LEE, Chung Song KIM, Ji Hyung MOON, Sun Woo PARK
  • Publication number: 20190051672
    Abstract: A thin film transistor substrate according to an embodiment includes: a substrate; and a thin film transistor disposed on the substrate, wherein the thin film transistor includes a channel layer including 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 on the channel layer, and a depletion forming layer disposed between the channel layer and the gate electrode.
    Type: Application
    Filed: November 9, 2016
    Publication date: February 14, 2019
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Sang Youl LEE, Chung Song KIM, Ji Hyung MOON, Sun Woo PARK, June O SONG
  • Publication number: 20180374876
    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: Application
    Filed: October 14, 2016
    Publication date: December 27, 2018
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Sang Youl LEE, Chung Song KIM, Ji Hyung MOON, Sun Woo PARK, June O SONG
  • Patent number: 10014259
    Abstract: A light emitting device according to an embodiment includes a substrate; first to Mth light emitting cells (where M is a positive integer of two or more) which are arranged on the substrate so as to be spaced apart from each other; and first to (M?1)th interconnection wires which electrically connect the first to Mth light emitting cells in series, wherein an mth light emitting cell (where 1?m?M) includes a first conductive type semiconductor layer, an active layer and a second conductive type semiconductor layer, which are sequentially arranged on the substrate, and wherein an nth interconnection wire (where 1?n?M?1) interconnects the first conductive type semiconductor of the nth light emitting cell with the second conductive type semiconductor of the (n+1)th light emitting cell, and has a plurality of first branch wires which are spaced apart from each other.
    Type: Grant
    Filed: August 11, 2015
    Date of Patent: July 3, 2018
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sung Kyoon Kim, Chung Song Kim, Ji Hyung Moon