Patents by Inventor SA RUM HAN

SA RUM HAN 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: 20250098381
    Abstract: A lighting device disclosed in an embodiment of the invention includes: a lighting module emitting a first light and a second light; and a lens disposed on the lighting module to block light of a shorter wavelength among the first light and the second light and transmit light of a longer wavelength, wherein the lighting module includes: a substrate; a plurality of light emitting devices disposed on the substrate and emitting a first light; a resin layer covering the plurality of light emitting devices; and a phosphor layer disposed on the resin layer to convert the first light into second light, wherein the first and second light travel through the phosphor layer in the lens direction, and the second light may pass through the lens.
    Type: Application
    Filed: December 3, 2024
    Publication date: March 20, 2025
    Inventors: Hoon PARK, Sa Rum HAN, Dong II EOM
  • Publication number: 20250093011
    Abstract: A lighting device may include a substrate, light sources, a resin layer disposed on the substrate and the light sources, and a phosphor layer disposed on the resin layer. A surface of the resin layer has a flat upper surface and a plurality of side surfaces on an outer side of the flat upper surface. At least one of the plurality of side surfaces of the resin layer has a curved surface. The phosphor layer has a first region disposed on the flat upper surface of the resin layer and a second region disposed on the plurality of side surfaces of the resin layer. Light generated from the plurality of light sources is emitted through the flat upper surface and the curved surface of the resin layer.
    Type: Application
    Filed: December 4, 2024
    Publication date: March 20, 2025
    Inventors: Jung Ju LEE, Sa Rum HAN
  • Patent number: 12188650
    Abstract: A lighting device includes a substrate, light sources having a first light source on the substrate, a resin layer sealing the plurality of light sources on the substrate; and a light transmitting layer on the resin layer. A surface of the resin layer has an upper surface and side surfaces, and the side surfaces of the resin layer has a convex curved surface. The light transmitting layer has a first flat region on the upper surface of the resin layer and a second curved region on the side surfaces of the resin layer. The convex curved surface of the resin layer and the second curved region of the light transmitting layer overlap the first light source in a vertical direction, and a corner between two adjacent the side surfaces of the resin layer has a convex curved surface.
    Type: Grant
    Filed: January 9, 2024
    Date of Patent: January 7, 2025
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Jung Ju Lee, Sa Rum Han
  • Patent number: 12191428
    Abstract: A lighting device disclosed in an embodiment of the invention includes: a lighting module emitting a first light and a second light; and a lens disposed on the lighting module to block light of a shorter wavelength among the first light and the second light and transmit light of a longer wavelength, wherein the lighting module includes: a substrate; a plurality of light emitting devices disposed on the substrate and emitting a first light; a resin layer covering the plurality of light emitting devices; and a phosphor layer disposed on the resin layer to convert the first light into second light, wherein the first and second light travel through the phosphor layer in the lens direction, and the second light may pass through the lens.
    Type: Grant
    Filed: March 18, 2020
    Date of Patent: January 7, 2025
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Hoon Park, Sa Rum Han, Dong Il Eom
  • Publication number: 20240347519
    Abstract: The lighting assembly disclosed in the embodiment of the invention includes a substrate, light emitting devices on the substrate, a first resin layer covering the light emitting devices, and at least one second resin layer on the first resin layer, and a first cover disposed on an outer periphery of the substrate along an outer periphery of the substrate of the lighting module. The second resin layer is disposed on upper and side surfaces of the first resin layer, and the second resin layer includes at least one of phosphor and ink particles. The first cover includes an opening portion from which the second resin layer protrudes, a substrate cover portion disposed on an upper surface of the substrate around the opening portion, and a side cover portion extending lower than a side surface of the substrate from the substrate cover portion. An upper surface of the substrate cover portion may be disposed lower than the upper surface of the first resin layer.
    Type: Application
    Filed: June 27, 2024
    Publication date: October 17, 2024
    Inventors: Jung Ju LEE, Hoon PARK, Sa Rum HAN
  • Patent number: 12051676
    Abstract: The lighting assembly disclosed in the embodiment of the invention includes a substrate, light emitting devices on the substrate, a first resin layer covering the light emitting devices, and at least one second resin layer on the first resin layer, and a first cover disposed on an outer periphery of the substrate along an outer periphery of the substrate of the lighting module. The second resin layer is disposed on upper and side surfaces of the first resin layer, and the second resin layer includes at least one of phosphor and ink particles. The first cover includes an opening portion from which the second resin layer protrudes, a substrate cover portion disposed on an upper surface of the substrate around the opening portion, and a side cover portion extending lower than a side surface of the substrate from the substrate cover portion. An upper surface of the substrate cover portion may be disposed lower than the upper surface of the first resin layer.
    Type: Grant
    Filed: September 9, 2019
    Date of Patent: July 30, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Jung Ju Lee, Hoon Park, Sa Rum Han
  • Publication number: 20240142082
    Abstract: A lighting device may include a substrate, light sources, a resin layer disposed on the substrate and the light sources, and a phosphor layer disposed on the resin layer. A surface of the resin layer has a flat upper surface and a plurality of side surfaces on an outer side of the flat upper surface. At least one of the plurality of side surfaces of the resin layer has a curved surface. The phosphor layer has a first region disposed on the flat upper surface of the resin layer and a second region disposed on the plurality of side surfaces of the resin layer. Light generated from the plurality of light sources is emitted through the flat upper surface and the curved surface of the resin layer.
    Type: Application
    Filed: January 9, 2024
    Publication date: May 2, 2024
    Inventors: Jung Ju LEE, Sa Rum HAN
  • Patent number: 11906149
    Abstract: A lighting device may include a substrate, light sources, a resin layer disposed on the substrate and the light sources, and a phosphor layer disposed on the resin layer. A surface of the resin layer has a flat upper surface and a plurality of side surfaces on an outer side of the flat upper surface. At least one of the plurality of side surfaces of the resin layer has a curved surface. The phosphor layer has a first region disposed on the flat upper surface of the resin layer and a second region disposed on the plurality of side surfaces of the resin layer. Light generated from the plurality of light sources is emitted through the flat upper surface and the curved surface of the resin layer.
    Type: Grant
    Filed: June 2, 2022
    Date of Patent: February 20, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Jung Ju Lee, Sa Rum Han
  • Patent number: 11757068
    Abstract: A lighting module according to an embodiment of the invention includes: a substrate; a plurality of light emitting devices disposed in N rows (N is an integer of 1 or more) on the substrate; a first resin layer covering the plurality of light emitting devices; a first diffusion layer disposed on the first resin layer and diffusing light emitted from the first resin layer; and a second diffusion layer disposed on the first diffusion layer and diffusing light emitted from the first diffusion layer, wherein the first diffusion layer includes a diffusing agent, and the second diffusion layer includes at least one of a phosphor and ink particles.
    Type: Grant
    Filed: February 19, 2021
    Date of Patent: September 12, 2023
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sa Rum Han, Dong Il Eom, Young Hun Ryu
  • Patent number: 11566763
    Abstract: A lighting device disclosed in an embodiment of the invention includes a plurality of light sources disposed on a substrate; a resin layer disposed on the substrate and the plurality of light sources; a phosphor layer disposed on the resin layer, and an ink layer disposed on the phosphor layer, wherein the ink layer has a first ink layer and a second ink layer having a height greater than that of the first ink layer with respect to the upper surfaces of the phosphor layer, and it possible to provide a three-dimensional image of the surface.
    Type: Grant
    Filed: May 17, 2022
    Date of Patent: January 31, 2023
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Hoon Park, Sa Rum Han, Jung Ju Lee
  • Publication number: 20220290838
    Abstract: The lighting device disclosed in the embodiment includes a substrate, light sources disposed on the substrate at predetermined intervals, a resin layer disposed on the substrate and the light sources, and a phosphor layer disposed on the resin layer. The phosphor layer includes a first region overlapped with some of the N light sources in a direction perpendicular to the substrate and including a flat region, and a second region extending from a side surface of the first region toward the substrate and including a curved surface.
    Type: Application
    Filed: June 2, 2022
    Publication date: September 15, 2022
    Inventors: Jung Ju LEE, Sa Rum HAN
  • Publication number: 20220275920
    Abstract: A lighting device disclosed in an embodiment of the invention includes a plurality of light sources disposed on a substrate; a resin layer disposed on the substrate and the plurality of light sources; a phosphor layer disposed on the resin layer, and an ink layer disposed on the phosphor layer, wherein the ink layer has a first ink layer and a second ink layer having a height greater than that of the first ink layer with respect to the upper surfaces of the phosphor layer, and it possible to provide a three-dimensional image of the surface.
    Type: Application
    Filed: May 17, 2022
    Publication date: September 1, 2022
    Inventors: Hoon PARK, Sa Rum HAN, Jung Ju LEE
  • Patent number: 11378252
    Abstract: The lighting device disclosed in the embodiment includes a substrate, light sources disposed on the substrate at predetermined intervals, a resin layer disposed on the substrate and the light sources, and a phosphor layer disposed on the resin layer. The phosphor layer includes a first region overlapped with some of the N light sources in a direction perpendicular to the substrate and including a flat region, and a second region extending from a side surface of the first region toward the substrate and including a curved surface.
    Type: Grant
    Filed: July 31, 2019
    Date of Patent: July 5, 2022
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Jung Ju Lee, Sa Rum Han
  • Patent number: 11359786
    Abstract: A lighting device disclosed in an embodiment of the invention includes a plurality of light sources disposed on a substrate; a resin layer disposed on the substrate and the plurality of light sources; a phosphor layer disposed on the resin layer, and an ink layer disposed on the phosphor layer, wherein the ink layer has a first ink layer and a second ink layer having a height greater than that of the first ink layer with respect to the upper surfaces of the phosphor layer, and it possible to provide a three-dimensional image of the surface.
    Type: Grant
    Filed: January 23, 2020
    Date of Patent: June 14, 2022
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Hoon Park, Sa Rum Han, Jung Ju Lee
  • Publication number: 20220158048
    Abstract: A lighting device disclosed in an embodiment of the invention includes: a lighting module emitting a first light and a second light; and a lens disposed on the lighting module to block light of a shorter wavelength among the first light and the second light and transmit light of a longer wavelength, wherein the lighting module includes: a substrate; a plurality of light emitting devices disposed on the substrate and emitting a first light; a resin layer covering the plurality of light emitting devices; and a phosphor layer disposed on the resin layer to convert the first light into second light, wherein the first and second light travel through the phosphor layer in the lens direction, and the second light may pass through the lens.
    Type: Application
    Filed: March 18, 2020
    Publication date: May 19, 2022
    Inventors: Hoon PARK, Sa Rum HAN, Dong II EOM
  • Publication number: 20220082226
    Abstract: A lighting device disclosed in an embodiment of the invention includes a plurality of light sources disposed on a substrate; a resin layer disposed on the substrate and the plurality of light sources; a phosphor layer disposed on the resin layer, and an ink layer disposed on the phosphor layer, wherein the ink layer has a first ink layer and a second ink layer having a height greater than that of the first ink layer with respect to the upper surfaces of the phosphor layer, and it possible to provide a three-dimensional image of the surface.
    Type: Application
    Filed: January 23, 2020
    Publication date: March 17, 2022
    Inventors: Hoon PARK, Sa Rum HAN, Jung Ju LEE
  • Publication number: 20210348739
    Abstract: The lighting device disclosed in the embodiment includes a substrate, light sources disposed on the substrate at predetermined intervals, a resin layer disposed on the substrate and the light sources, and a phosphor layer disposed on the resin layer. The phosphor layer includes a first region overlapped with some of the N light sources in a direction perpendicular to the substrate and including a flat region, and a second region extending from a side surface of the first region toward the substrate and including a curved surface.
    Type: Application
    Filed: July 31, 2019
    Publication date: November 11, 2021
    Inventors: Jung Ju LEE, Sa Rum HAN
  • Publication number: 20210193635
    Abstract: The lighting assembly disclosed in the embodiment of the invention includes a substrate, light emitting devices on the substrate, a first resin layer covering the light emitting devices, and at least one second resin layer on the first resin layer, and a first cover disposed on an outer periphery of the substrate along an outer periphery of the substrate of the lighting module. The second resin layer is disposed on upper and side surfaces of the first resin layer, and the second resin layer includes at least one of phosphor and ink particles. The first cover includes an opening portion from which the second resin layer protrudes, a substrate cover portion disposed on an upper surface of the substrate around the opening portion, and a side cover portion extending lower than a side surface of the substrate from the substrate cover portion. An upper surface of the substrate cover portion may be disposed lower than the upper surface of the first resin layer.
    Type: Application
    Filed: September 9, 2019
    Publication date: June 24, 2021
    Inventors: Jung Ju LEE, Hoon PARK, Sa Rum HAN
  • Publication number: 20210175395
    Abstract: A lighting module according to an embodiment of the invention includes: a substrate; a plurality of light emitting devices disposed in N rows (N is an integer of 1 or more) on the substrate; a first resin layer covering the plurality of light emitting devices; a first diffusion layer disposed on the first resin layer and diffusing light emitted from the first resin layer; and a second diffusion layer disposed on the first diffusion layer and diffusing light emitted from the first diffusion layer, wherein the first diffusion layer includes a diffusing agent, and the second diffusion layer includes at least one of a phosphor and ink particles.
    Type: Application
    Filed: February 19, 2021
    Publication date: June 10, 2021
    Inventors: Sa Rum HAN, Dong Il EOM, Young Hun RYU
  • Patent number: 10957825
    Abstract: A lighting module according to an embodiment of the invention includes: a substrate; a plurality of light emitting devices disposed in N rows (N is an integer of 1 or more) on the substrate; a first resin layer covering the plurality of light emitting devices; a first diffusion layer disposed on the first resin layer and diffusing light emitted from the first resin layer; and a second diffusion layer disposed on the first diffusion layer and diffusing light emitted from the first diffusion layer, wherein the first diffusion layer includes a diffusing agent, and the second diffusion layer includes at least one of a phosphor and ink particles.
    Type: Grant
    Filed: September 21, 2018
    Date of Patent: March 23, 2021
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sa Rum Han, Dong Il Eom, Young Hun Ryu