Patents by Inventor Y O CHO

Y O CHO 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).

  • Light emitting device
    Patent number: 12057530
    Abstract: A light emitting device including at least one main light emitting unit including a light emitting diode chip and a wavelength converter, and configured to emit white light, in which the light emitting diode chip includes at least one of an ultraviolet chip, a violet chip, and a blue chip, and the light emitting device is configured to be adjustable to emit light corresponding to a spectral power distribution of morning sunlight, light corresponding to a spectral power distribution of afternoon sunlight, and light corresponding to a spectral power distribution of evening sunlight.
    Type: Grant
    Filed: August 8, 2022
    Date of Patent: August 6, 2024
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Hyuck Jun Kim, Chung Hoon Lee, Y O Cho
  • LIGHT EMITTING DEVICE
    Publication number: 20220384692
    Abstract: A light emitting device including at least one main light emitting unit including a light emitting diode chip and a wavelength converter, and configured to emit white light, in which the light emitting diode chip includes at least one of an ultraviolet chip, a violet chip, and a blue chip, and the light emitting device is configured to be adjustable to emit light corresponding to a spectral power distribution of morning sunlight, light corresponding to a spectral power distribution of afternoon sunlight, and light corresponding to a spectral power distribution of evening sunlight.
    Type: Application
    Filed: August 8, 2022
    Publication date: December 1, 2022
    Inventors: Hyuck Jun Kim, Chung Hoon Lee, Y O Cho
  • Light emitting device
    Patent number: 10622525
    Abstract: A light emitting device is provided. The light emitting device in accordance with one exemplary embodiment comprises at least one main light emitting unit including a light emitting diode chip and a wavelength converter to emit white light, wherein the light emitting diode chip comprises an ultraviolet chip, a violet chip, or a blue chip, and is adjustable to emit light corresponding to a spectral power distribution of morning sunlight, light corresponding to a spectral power distribution of afternoon sunlight, and light corresponding to a spectral power distribution of evening sunlight.
    Type: Grant
    Filed: June 26, 2018
    Date of Patent: April 14, 2020
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Hyuck Jun Kim, Chung Hoon Lee, Y O Cho
  • LIGHT EMITTING DEVICE
    Publication number: 20180375000
    Abstract: A light emitting device is provided. The light emitting device in accordance with one exemplary embodiment comprises at least one main light emitting unit including a light emitting diode chip and a wavelength converter to emit white light, wherein the light emitting diode chip comprises an ultraviolet chip, a violet chip, or a blue chip, and is adjustable to emit light corresponding to a spectral power distribution of morning sunlight, light corresponding to a spectral power distribution of afternoon sunlight, and light corresponding to a spectral power distribution of evening sunlight.
    Type: Application
    Filed: June 26, 2018
    Publication date: December 27, 2018
    Inventors: Hyuck Jun KIM, Chung Hoon LEE, Y O CHO