Patents by Inventor Kwan-Soo Kim

Kwan-Soo 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: 11937491
    Abstract: A display device includes a substrate including a display area having first color subpixels and a transparent area inside the display area, an array layer in the display area on the substrate, a first electrode in the first color subpixels on the array layer, a first emission assisting layer on the first electrode, an emitting material layer in the first color subpixels on the first emission assisting layer, a second emission assisting layer on the emitting material layer, a deposition preventing layer in the transparent area on the second emission assisting layer, a second electrode on the second emission assisting layer, the second electrode selectively disposed in a region where the deposition preventing layer is not disposed, an encapsulating layer on the deposition preventing layer and the second electrode, a polarizing layer in the display area on the encapsulating layer, an auxiliary equipment in the transparent area under the substrate.
    Type: Grant
    Filed: April 28, 2023
    Date of Patent: March 19, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: Young-Nam Lim, Hyun-Chul Choi, Kwan-Soo Kim, Seok-Hyun Kim, Jae-Hyeon Kim
  • Patent number: 11925057
    Abstract: Discussed is a display device for improving both transmittance and efficiency of light that is transmitted through a light-emitting unit and a transmissive unit due to a phase difference of ? at an interface between an organic layer and an optical compensation layer of the display device.
    Type: Grant
    Filed: December 17, 2021
    Date of Patent: March 5, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Jae Hyeon Kim, Kwan Soo Kim, Young Nam Lim, Min Jee Kim, Seok Hyun Kim, Min Geun Song
  • Patent number: 11882746
    Abstract: Disclosed are a panel capable of performing transparent display, a display device and a vehicle-mounted display device. A transmission part includes an organic light-emitting diode so as to perform light emission as well as display, thereby increasing an emission area, reducing the driving voltage required for emission driving, and consequently increasing the lifespan of the display device.
    Type: Grant
    Filed: January 28, 2021
    Date of Patent: January 23, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: Eun-Jung Park, Kwan-Soo Kim, Ki-Min Lim
  • Patent number: 11882715
    Abstract: Disclosed is a display device which may display images in a transmission portion, and may improve uniformity of a display in both the emission portion and the transmission portion, thus may improve efficiency of a device and improve a lifespan.
    Type: Grant
    Filed: September 3, 2020
    Date of Patent: January 23, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: Jae-Hyeon Kim, Seok-Hyun Kim, Kwan-Soo Kim, Young-Nam Lim
  • Patent number: 11737302
    Abstract: The present disclosure relates to a display device, and more particularly, to a high-performance display device by which high transmittance is secured and efficiency is enhanced in a manner of using a mixture of an organic matter and an alkaline earth metal as a cathode and facilitating patterning.
    Type: Grant
    Filed: December 29, 2020
    Date of Patent: August 22, 2023
    Assignee: LG Display Co., Ltd.
    Inventors: Jae-Hyeon Kim, Seok-Hyun Kim, Kwan-Soo Kim, Young-Nam Lim
  • Publication number: 20230263041
    Abstract: A display device includes a substrate including a display area having first color subpixels and a transparent area inside the display area, an array layer in the display area on the substrate, a first electrode in the first color subpixels on the array layer, a first emission assisting layer on the first electrode, an emitting material layer in the first color subpixels on the first emission assisting layer, a second emission assisting layer on the emitting material layer, a deposition preventing layer in the transparent area on the second emission assisting layer, a second electrode on the second emission assisting layer, the second electrode selectively disposed in a region where the deposition preventing layer is not disposed, an encapsulating layer on the deposition preventing layer and the second electrode, a polarizing layer in the display area on the encapsulating layer, an auxiliary equipment in the transparent area under the substrate.
    Type: Application
    Filed: April 28, 2023
    Publication date: August 17, 2023
    Inventors: Young-Nam LIM, Hyun-Chul CHOI, Kwan-Soo KIM, Seok-Hyun KIM, Jae-Hyeon KIM
  • Patent number: 11678560
    Abstract: A display device includes a substrate including a display area having first color subpixels and a transparent area inside the display area, an array layer in the display area on the substrate, a first electrode in the first color subpixels on the array layer, a first emission assisting layer on the first electrode, an emitting material layer in the first color subpixels on the first emission assisting layer, a second emission assisting layer on the emitting material layer, a deposition preventing layer in the transparent area on the second emission assisting layer, a second electrode on the second emission assisting layer, the second electrode selectively disposed in a region where the deposition preventing layer is not disposed, an encapsulating layer on the deposition preventing layer and the second electrode, a polarizing layer in the display area on the encapsulating layer, an auxiliary equipment in the transparent area under the substrate.
    Type: Grant
    Filed: November 23, 2020
    Date of Patent: June 13, 2023
    Assignee: LG Display Co., Ltd.
    Inventors: Young-Nam Lim, Hyun-Chul Choi, Kwan-Soo Kim, Seok-Hyun Kim, Jae-Hyeon Kim
  • Patent number: 11545644
    Abstract: Disclosed is a display device configured such that a mixture of a transition metal and an organic material is used as a cathode, whereby the cathode exhibits low resistance, high transmittance, high reliability, and high performance in the state in which the cathode is thin.
    Type: Grant
    Filed: December 29, 2020
    Date of Patent: January 3, 2023
    Assignee: LG Display Co., Ltd
    Inventors: Jae-Hyeon Kim, Seok-Hyun Kim, Kwan-Soo Kim, Young-Nam Lim
  • Publication number: 20220209161
    Abstract: A display device includes: a substrate including: a first region, and a second region, an anode at the first region, an organic layer on the anode at the first region, and on the second region, an electron injection layer on the organic layer at the first region and the second region, the electron injection layer including a first metal, a cathode on the electron injection layer at the first region, the cathode including a second metal having a greater work function than a work function of the first metal, and a capping layer on the cathode at the first region, and on the electron injection layer at the second region.
    Type: Application
    Filed: December 9, 2021
    Publication date: June 30, 2022
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Min Jee KIM, Seok Hyun KIM, Kwan Soo KIM, Young Nam LIM, Jae Hyeon KIM, Min Geun SONG
  • Publication number: 20220209192
    Abstract: Discussed is a display device for improving both transmittance and efficiency of light that is transmitted through a light-emitting unit and a transmissive unit due to a phase difference of ? at an interface between an organic layer and an optical compensation layer of the display device.
    Type: Application
    Filed: December 17, 2021
    Publication date: June 30, 2022
    Applicant: LG Display Co., Ltd.
    Inventors: Jae Hyeon KIM, Kwan Soo KIM, Young Nam LIM, Min Jee KIM, Seok Hyun KIM, Min Geun SONG
  • Publication number: 20220209195
    Abstract: Discussed is a light-emitting display device, which emits light unchanged by maintaining a cavity of internal light using reverse cavity characteristics through an optical compensation structure, and achieves high luminance characteristics despite a change in a viewing angle, prevents external light from being reflected, and is excellent in terms of efficiency and lifespan by combining the optical compensation structure with a color filter structure. The optical compensation structure includes at least one first layer having a first refractive index and at least one second layer having a second refractive index greater than the first refractive index, the first layer being thicker than the second layer.
    Type: Application
    Filed: December 10, 2021
    Publication date: June 30, 2022
    Applicant: LG Display Co., Ltd.
    Inventors: Jae Hyeon KIM, Kwan Soo KIM, Min Jee KIM, Seok Hyun KIM, Young Nam LIM, Min Geun SONG
  • Patent number: 11335876
    Abstract: Disclosed are an organic light emitting diode, an organic light emitting diode display device and a display device for vehicles using the same. The organic light emitting diode may achieve process simplification and reduction in material costs while maintaining high luminance, through structure change.
    Type: Grant
    Filed: June 27, 2019
    Date of Patent: May 17, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: Han-Byeol Seok, Kwan-Soo Kim, Eun-Jung Park, Ki-Min Lim, Seung-Kwang Roh, Byung-Soo Kim, Sang-Kyoung Moon, Dong-Il Choi
  • Patent number: 11223022
    Abstract: Disclosed are a light emitting device which has improved reliability by increasing bonding force between a cathode and organic layers contacting both surfaces thereof, and a transparent display device using the same.
    Type: Grant
    Filed: August 23, 2019
    Date of Patent: January 11, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: Jae-Hyeon Kim, Eun-Jung Park, Seok-Hyun Kim, Kwan-Soo Kim
  • Patent number: 11121186
    Abstract: Disclosed is a transparent display device which has improved transmittance and luminous uniformity according to wavelength. The transparent display device includes a capping structure. The capping structure is formed by stacking a high refractive index first capping layer having destructive interference properties and a low refractive index second capping layer.
    Type: Grant
    Filed: December 30, 2019
    Date of Patent: September 14, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: Jae-Hyeon Kim, Eun-Jung Park, Kwan-Soo Kim, Seok-Hyun Kim
  • Publication number: 20210202891
    Abstract: Disclosed is a display device configured such that a mixture of a transition metal and an organic material is used as a cathode, whereby the cathode exhibits low resistance, high transmittance, high reliability, and high performance in the state in which the cathode is thin.
    Type: Application
    Filed: December 29, 2020
    Publication date: July 1, 2021
    Inventors: Jae-Hyeon KIM, Seok-Hyun KIM, Kwan-Soo KIM, Young-Nam LIM
  • Publication number: 20210202880
    Abstract: The present disclosure relates to a display device, and more particularly, to a high-performance display device by which high transmittance is secured and efficiency is enhanced in a manner of using a mixture of an organic matter and an alkaline earth metal as a cathode and facilitating patterning.
    Type: Application
    Filed: December 29, 2020
    Publication date: July 1, 2021
    Inventors: Jae-Hyeon KIM, Seok-Hyun KIM, Kwan-Soo KIM, Young-Nam LIM
  • Publication number: 20210175477
    Abstract: A display device includes a substrate including a display area having first color subpixels and a transparent area inside the display area, an array layer in the display area on the substrate, a first electrode in the first color subpixels on the array layer, a first emission assisting layer on the first electrode, an emitting material layer in the first color subpixels on the first emission assisting layer, a second emission assisting layer on the emitting material layer, a deposition preventing layer in the transparent area on the second emission assisting layer, a second electrode on the second emission assisting layer, the second electrode selectively disposed in a region where the deposition preventing layer is not disposed, an encapsulating layer on the deposition preventing layer and the second electrode, a polarizing layer in the display area on the encapsulating layer, an auxiliary equipment in the transparent area under the substrate.
    Type: Application
    Filed: November 23, 2020
    Publication date: June 10, 2021
    Inventors: Young-Nam LIM, Hyun-Chul CHOI, Kwan-Soo KIM, Seok-Hyun KIM, Jae-Hyeon KIM
  • Patent number: 11031572
    Abstract: Disclosed is a display device. In the disclosed display device, an emission-side electrode is constituted by a transmissive electrode structure having different configurations for an emission part and a transmission part such that a uniform potential is maintained at the entirety of the transmissive electrode structure, and the transmissive electrode structure enables the emission part to emit light at high brightness while enabling the transmission part to perform transparent display at high transmissivity.
    Type: Grant
    Filed: June 14, 2019
    Date of Patent: June 8, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Dong-Il Choi, Kwan-Soo Kim
  • Publication number: 20210151518
    Abstract: Disclosed are a panel capable of performing transparent display, a display device and a vehicle-mounted display device. A transmission part includes an organic light-emitting diode so as to perform light emission as well as display, thereby increasing an emission area, reducing the driving voltage required for emission driving, and consequently increasing the lifespan of the display device.
    Type: Application
    Filed: January 28, 2021
    Publication date: May 20, 2021
    Inventors: Eun-Jung PARK, Kwan-Soo KIM, Ki-Min LIM
  • Patent number: RE49260
    Abstract: Disclosed is an organic light-emitting display device, which prevents lateral current leakage by providing a structure on a bank so as to cut off an organic material, which is formed in a subsequent process, around the structure.
    Type: Grant
    Filed: July 1, 2020
    Date of Patent: October 25, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: Eun-Jung Park, Kwan-Soo Kim, Byung-Soo Kim, Han-Byeol Seok, Su-Hyeon Kim, Seok-Hyun Kim