Patents by Inventor So-Ra Lee

So-Ra Lee 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: 12250839
    Abstract: A lighting apparatus includes a light emitting diode, in which the light emitting diode includes an n-type nitride semiconductor layer, an active layer located on the n-type nitride semiconductor layer, and a p-type nitride semiconductor layer located on the active layer. The light emitting diode emits light that varies from yellow light to white light depending on a driving current.
    Type: Grant
    Filed: December 6, 2023
    Date of Patent: March 11, 2025
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Yong Hyun Baek, Ji Hun Kang, Chae Hon Kim, Ji Hoon Park, So Ra Lee
  • Patent number: 12155059
    Abstract: A secondary battery includes: a first electrode provided with a first collector and a first electrode active material applied on at least one surface of the first collector; and a second electrode provided with a second collector and a second electrode active material applied on at least one surface of the second collector, wherein an uneven coating portion at which the first electrode active material irregularly increases in amount and is applied is provided on at least one of a coating start portion or a coating end portion of the first electrode active material, and an inactive coating portion configured to cover the uneven coating portion is provided on at least one of a coating start portion or a coating end portion of the second electrode active material. A method of manufacturing the secondary battery is also provided.
    Type: Grant
    Filed: March 31, 2020
    Date of Patent: November 26, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Nam Won Kim, Eun Sun Choi, So Ra Lee
  • Publication number: 20240297208
    Abstract: A light emitting device for a display including a light emitting structure including a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer, and having a side surface exposing the active layer, in which a portion of the second conductivity type semiconductor layer and the active layer along an edge of the light emitting structure is insulative in a thickness direction to define an insulation region, and the insulation region includes implanted ions.
    Type: Application
    Filed: May 10, 2024
    Publication date: September 5, 2024
    Applicant: SEOUL VIOSYS CO., LTD.
    Inventors: Chae Hon KIM, So Ra LEE
  • Publication number: 20240266386
    Abstract: A display apparatus includes a display substrate, and light emitting devices arranged on an upper surface of the display substrate. At least one of the light emitting devices includes a first LED unit including a first light emitting stack, a second LED unit including a second light emitting stack, and a third LED unit including a third light emitting stack. Each of the first to third light emitting stacks includes a first conductivity type semiconductor layer and a second conductivity type semiconductor layer. the first conductivity type semiconductor layer and the second conductivity type semiconductor layer in each of the first to third light emitting stacks are stacked in a horizontal direction with respect to the upper surface of the display substrate. At least one of the second conductivity type semiconductor layers in the first to third light emitting stacks is divided into two regions.
    Type: Application
    Filed: April 3, 2024
    Publication date: August 8, 2024
    Applicant: SEOUL VIOSYS CO., LTD.
    Inventors: Chung Hoon LEE, So Ra LEE
  • Patent number: 12027571
    Abstract: A light emitting device for a display including a light emitting structure including a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer, and having a side surface exposing the active layer, in which a portion of the second conductivity type semiconductor layer and the active layer along an edge of the light emitting structure is insulative in a thickness direction to define an insulation region, and the insulation region includes implanted ions.
    Type: Grant
    Filed: April 16, 2023
    Date of Patent: July 2, 2024
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Chae Hon Kim, So Ra Lee
  • Publication number: 20240194655
    Abstract: A display apparatus includes a display substrate, and light emitting devices arranged on an upper surface of the display substrate. At least one of the light emitting devices includes a first LED unit including a first light emitting stack, a second LED unit including a second light emitting stack, and a third LED unit including a third light emitting stack. The second LED unit is disposed between the first LED unit and the third LED unit. Each of the first to third light emitting stacks includes a first conductivity type semiconductor layer and a second conductivity type semiconductor layer. The first conductivity type semiconductor layer and the second conductivity type semiconductor layer in each of the first to third light emitting stacks are stacked in a horizontal direction with respect to the upper surface of the display substrate.
    Type: Application
    Filed: February 26, 2024
    Publication date: June 13, 2024
    Inventors: Chung Hoon LEE, So Ra LEE
  • Publication number: 20240194725
    Abstract: A display apparatus is provided. The display apparatus includes a display substrate, a first micro LED module disposed on the display substrate, and a second micro LED module disposed on the display substrate and adjacent to the first micro LED module. The first micro LED module and the second micro LED module have side surfaces facing each other. The side surfaces facing each other of the first micro LED module and the second micro LED module are inclined in an identical direction with respect to an upper surface of the display substrate.
    Type: Application
    Filed: February 16, 2024
    Publication date: June 13, 2024
    Applicant: SEOUL VIOSYS CO., LTD.
    Inventors: Dae Sung CHO, So Ra LEE
  • Publication number: 20240136467
    Abstract: A lighting apparatus includes a light emitting diode, in which the light emitting diode includes an n-type nitride semiconductor layer, an active layer located on the n-type nitride semiconductor layer, and a p-type nitride semiconductor layer located on the active layer. The light emitting diode emits light that varies from yellow light to white light depending on a driving current.
    Type: Application
    Filed: December 6, 2023
    Publication date: April 25, 2024
    Applicant: SEOUL VIOSYS CO., LTD.
    Inventors: Yong Hyun BAEK, Ji Hun KANG, Chae Hon KIM, Ji Hoon PARK, So Ra LEE
  • Patent number: 11961876
    Abstract: A display apparatus includes a display substrate, and light emitting devices arranged on an upper surface of the display substrate. At least one of the light emitting devices includes a first LED unit including a first light emitting stack, a second LED unit including a second light emitting stack, and a third LED unit including a third light emitting stack. Each of the first to third light emitting stacks includes a first conductivity type semiconductor layer and a second conductivity type semiconductor layer. the first conductivity type semiconductor layer and the second conductivity type semiconductor layer in each of the first to third light emitting stacks are stacked in a horizontal direction with respect to the upper surface of the display substrate. At least one of the second conductivity type semiconductor layers in the first to third light emitting stacks is divided into two regions.
    Type: Grant
    Filed: July 20, 2023
    Date of Patent: April 16, 2024
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Chung Hoon Lee, So Ra Lee
  • Patent number: 11948922
    Abstract: A display apparatus includes a display substrate, and light emitting devices arranged on an upper surface of the display substrate. At least one of the light emitting devices includes a first LED unit including a first light emitting stack, a second LED unit including a second light emitting stack, and a third LED unit including a third light emitting stack. The second LED unit is disposed between the first LED unit and the third LED unit. Each of the first to third light emitting stacks includes a first conductivity type semiconductor layer and a second conductivity type semiconductor layer. The first conductivity type semiconductor layer and the second conductivity type semiconductor layer in each of the first to third light emitting stacks are stacked in a horizontal direction with respect to the upper surface of the display substrate.
    Type: Grant
    Filed: December 28, 2020
    Date of Patent: April 2, 2024
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Chung Hoon Lee, So Ra Lee
  • Publication number: 20240088107
    Abstract: A light emitting device includes a short wavelength light emitting portion, a long wavelength light emitting portion, and a coupling layer combining the short wavelength emitting portion and the long wavelength light emitting portion. Each of the short wavelength light emitting portion and the long wavelength light emitting portion includes a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer. The active layer of the long wavelength light emitting portion contains more Indium (In) than the active layer of the short wavelength light emitting portion, and the short wavelength light emitting portion emits light of a shorter wavelength than that of light emitted from the long wavelength light emitting portion.
    Type: Application
    Filed: November 21, 2023
    Publication date: March 14, 2024
    Inventors: Chung Hoon LEE, Dae Sung CHO, So Ra LEE
  • Patent number: 11908881
    Abstract: A display apparatus is provided. The display apparatus includes a display substrate, a first micro LED module disposed on the display substrate, and a second micro LED module disposed on the display substrate and adjacent to the first micro LED module. The first micro LED module and the second micro LED module have side surfaces facing each other. The side surfaces facing each other of the first micro LED module and the second micro LED module are inclined in an identical direction with respect to an upper surface of the display substrate.
    Type: Grant
    Filed: January 19, 2021
    Date of Patent: February 20, 2024
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Dae Sung Cho, So Ra Lee
  • Patent number: 11862616
    Abstract: A light emitting device includes a short wavelength light emitting portion, a long wavelength light emitting portion, and a coupling layer combining the short wavelength emitting portion and the long wavelength light emitting portion. Each of the short wavelength light emitting portion and the long wavelength light emitting portion includes a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer. The active layer of the long wavelength light emitting portion contains more Indium (In) than the active layer of the short wavelength light emitting portion, and the short wavelength light emitting portion emits light of a shorter wavelength than that of light emitted from the long wavelength light emitting portion.
    Type: Grant
    Filed: February 18, 2021
    Date of Patent: January 2, 2024
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Chung Hoon Lee, Dae Sung Cho, So Ra Lee
  • Patent number: 11855052
    Abstract: A display apparatus includes a display substrate, first micro LED modules arranged on the display substrate, and at least one second micro LED module disposed between the first micro LED modules. Each of the first micro LED modules includes a first substrate, and micro LEDs disposed on the first substrate, the second micro LED module includes a second substrate, and micro LEDs disposed on the second substrate. The first substrate includes a lower body and a top plate located on the lower body. The lower body is recessed from an edge of the top plate, and the second micro LED module is disposed between recessed lower bodies of adjacent first micro LED modules.
    Type: Grant
    Filed: January 20, 2021
    Date of Patent: December 26, 2023
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Dae Sung Cho, So Ra Lee
  • Publication number: 20230411438
    Abstract: A display apparatus includes a display substrate, and light emitting devices arranged on an upper surface of the display substrate. At least one of the light emitting devices includes a first LED unit including a first light emitting stack, a second LED unit including a second light emitting stack, and a third LED unit including a third light emitting stack. Each of the first to third light emitting stacks includes a first conductivity type semiconductor layer and a second conductivity type semiconductor layer. the first conductivity type semiconductor layer and the second conductivity type semiconductor layer in each of the first to third light emitting stacks are stacked in a horizontal direction with respect to the upper surface of the display substrate. At least one of the second conductivity type semiconductor layers in the first to third light emitting stacks is divided into two regions.
    Type: Application
    Filed: July 20, 2023
    Publication date: December 21, 2023
    Applicant: SEOUL VIOSYS CO., LTD.
    Inventors: Chung Hoon LEE, So Ra LEE
  • Patent number: 11843076
    Abstract: A lighting apparatus includes a light emitting diode, in which the light emitting diode includes an n-type nitride semiconductor layer, an active layer located on the n-type nitride semiconductor layer, and a p-type nitride semiconductor layer located on the active layer. The light emitting diode emits light that varies from yellow light to white light depending on a driving current.
    Type: Grant
    Filed: April 3, 2023
    Date of Patent: December 12, 2023
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Yong Hyun Baek, Ji Hun Kang, Chae Hon Kim, Ji Hoon Park, So Ra Lee
  • Publication number: 20230387179
    Abstract: A display apparatus including a circuit board, pixels arranged on the circuit board, and a light blocking material covering one of the pixels, in which at least one of the pixels includes a first light emitting device and a second light emitting device spaced apart from each other, the first light emitting device includes a first LED stack configured to generate light having a first peak wavelength and a first bump pad, the second light emitting device includes a second LED stack configured to generate light having a second peak wavelength and a second bump pad, and the first light emitting device includes a first side surface having a region inclined at a first inclined angle, and the second light emitting device includes a second side surface facing the first side surface and having a region inclined at a second inclined angle different from the first inclined angle.
    Type: Application
    Filed: August 7, 2023
    Publication date: November 30, 2023
    Inventors: Dae Sung CHO, So Ra LEE, Chang Yeon KIM, Jong Min JANG
  • Patent number: D1028736
    Type: Grant
    Filed: April 18, 2022
    Date of Patent: May 28, 2024
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: So Ra Lee, Doo Yeon Kim, Seung Pyo Lee, Kang Kook Lee
  • Patent number: D1043357
    Type: Grant
    Filed: June 15, 2023
    Date of Patent: September 24, 2024
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: So Ra Lee, Seung Pyo Lee, Hyun Ju Lee, Yul Joong Kim
  • Patent number: D1049844
    Type: Grant
    Filed: June 15, 2023
    Date of Patent: November 5, 2024
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: So Ra Lee, Seung Pyo Lee, Hyun Ju Lee, Yul Joong Kim