Patents by Inventor Young-Rag Do

Young-Rag Do 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: 20200373442
    Abstract: The present disclosure relates to an integrated color solar cell for a window, and more specifically, to an integrated color solar cell for a window very suitable as a window-type as the efficiency of the solar cell is excellent, the stability of a substrate is improved, and the precise color reproduction is possible by minimizing light loss existing in the solar cell while relative harvesting efficiency and relative current density are improved without open circuit reduction by suppressing light reflection, and a manufacturing method thereof.
    Type: Application
    Filed: May 20, 2020
    Publication date: November 26, 2020
    Inventors: Young Rag DO, Byoung Koun MIN
  • Publication number: 20200332967
    Abstract: The present invention relates to a nano-scale light emitting diode (LED) electrode assembly emitting polarized light, a method of manufacturing the same, and a polarized LED lamp having the same, and more particularly, to a nano-scale LED electrode assembly in which partially polarized light close to light that is linearly polarized having one direction is emitted as an emitted light when applying a driving voltage to the nano-scale LED electrode assembly and also nano-scale LED devices are connected to a nano-scale electrode without defects such as an electrical short circuit while maximizing a light extraction efficiency, a method of manufacturing the same, and a polarized LED lamp having the same.
    Type: Application
    Filed: May 4, 2020
    Publication date: October 22, 2020
    Inventors: Young Rag DO, Yeon Goog SUNG
  • Patent number: 10784246
    Abstract: Provided is a method of manufacturing a ultra-small light-emitting diode (LED) electrode assembly, the method including preparing a base substrate, forming an electrode line including a first electrode and a second electrode on the base substrate, positioning a guide member having a plurality of slit portions therein on the base substrate, and inserting ultra-small LED devices into the plurality of slit portions of the guide member.
    Type: Grant
    Filed: January 13, 2017
    Date of Patent: September 22, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young Rag Do, Yeon Goog Sung
  • Publication number: 20200230346
    Abstract: Disclosed are an apparatus and a system for managing circadian rhythm. The apparatus includes an illuminance measuring portion which measures a bio illuminance value of external light using a circadian lambda filter which passes the external light along according to a circadian rhythm sensitivity curve and a visual lambda filter which passes the external light along according to a visual sensitivity curve, a controller which outputs a control signal for reinforcing a user's circadian rhythm on the basis of the bio illuminance value, and a circadian rhythm reinforcing portion which emits light of a circadian wavelength band toward the user according to the control signal.
    Type: Application
    Filed: July 29, 2019
    Publication date: July 23, 2020
    Applicant: KOOKMIN UNIVERSITY INDUSTRY ACADEMY COOPERATION FOUNDATION
    Inventors: Hyun Sun Mo, Young Rag Do, Dae Jeong Kim, Dae Hwan Kim, Sung Yeon Jang, In Hwan Jung, Dong Myung Kim, Seong Jin Choi, Sanggyu Yim, Hyung Min Kim, Sun Woong Choi, Gu Min Jeong, Seung Min Lee
  • Publication number: 20200212178
    Abstract: Provided is a method of manufacturing a nanorod. The method comprising comprises the steps of: providing a growth substrate and a support substrate; epitaxially growing a nanomaterial layer onto one surface of the growth substrate; forming a sacrificial layer on one surface of the support substrate; bonding the nanomaterial layer with the sacrificial layer; separating the growth substrate from the nanomaterial layer; flattening the nanomaterial layer; forming a nanorod by etching the nanomaterial layer; and separating the nanorod by removing the sacrificial layer.
    Type: Application
    Filed: March 2, 2020
    Publication date: July 2, 2020
    Inventors: Young Rag DO, Yeon Goog SUNG
  • Patent number: 10641439
    Abstract: The present invention relates to a nano-scale light emitting diode (LED) electrode assembly emitting polarized light, a method of manufacturing the same, and a polarized LED lamp having the same, and more particularly, to a nano-scale LED electrode assembly in which partially polarized light close to light that is linearly polarized having one direction is emitted as an emitted light when applying a driving voltage to the nano-scale LED electrode assembly and also nano-scale LED devices are connected to a nano-scale electrode without defects such as an electrical short circuit while maximizing a light extraction efficiency, a method of manufacturing the same, and a polarized LED lamp having the same.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: May 5, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young Rag Do, Yeon Goog Sung
  • Publication number: 20200105726
    Abstract: Provided are a method of manufacturing a nanoscale light-emitting diode (LED) electrode assembly having improved electrical contacts, and more particularly, a nanoscale LED electrode assembly having improved electrical contacts and capable of increasing conductivity between electrodes and nanoscale LED devices and decreasing contact resistance, and a method of manufacturing the same.
    Type: Application
    Filed: December 2, 2019
    Publication date: April 2, 2020
    Inventors: Yeon Goog SUNG, Young Rag DO
  • Patent number: 10580859
    Abstract: Provided is a method of manufacturing a nanorod. The method comprising comprises the steps of: providing a growth substrate and a support substrate; epitaxially growing a nanomaterial layer onto one surface of the growth substrate; forming a sacrificial layer on one surface of the support substrate; bonding the nanomaterial layer with the sacrificial layer; separating the growth substrate from the nanomaterial layer; flattening the nanomaterial layer; forming a nanorod by etching the nanomaterial layer; and separating the nanorod by removing the sacrificial layer.
    Type: Grant
    Filed: February 24, 2017
    Date of Patent: March 3, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young Rag Do, Yeon Goog Sung
  • Publication number: 20200018644
    Abstract: The present disclosure provides a circadian illuminance measuring apparatus including: a circadian lambda filter configured to pass external light according to a circadian sensitivity curve; a light sensor configured to sense the external light has passed through the circadian lambda filter, convert the external light into an analog signal, and output the analog signal; and a circadian illuminance calculator configured to convert the analog signal into a digital signal to calculate circadian illuminance of the external light.
    Type: Application
    Filed: July 15, 2019
    Publication date: January 16, 2020
    Inventors: Young Rag DO, Ji Hye OH
  • Publication number: 20200016427
    Abstract: The present disclosure provides a circadian rhythm correcting apparatus including a bio-illuminance measuring part configured to measure bio-illuminance of external light, a light source configured to irradiate light of a circadian wavelength band toward a retinal ganglion cell, a light source driver configured to drive the light source by supplying power to the light source, and a controller configured to control the light source driver on the basis of the bio-illuminance measured by the bio-illuminance measuring part, to correct the circadian rhythm.
    Type: Application
    Filed: July 15, 2019
    Publication date: January 16, 2020
    Inventors: Young Rag DO, Ji Hye OH
  • Patent number: 10497680
    Abstract: Provided are a method of manufacturing a nanoscale light-emitting diode (LED) electrode assembly having improved electrical contacts, and more particularly, a nanoscale LED electrode assembly having improved electrical contacts and capable of increasing conductivity between electrodes and nanoscale LED devices and decreasing contact resistance, and a method of manufacturing the same.
    Type: Grant
    Filed: December 27, 2017
    Date of Patent: December 3, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yeon Goog Sung, Young Rag Do
  • Publication number: 20190341424
    Abstract: An ultra-small light-emitting diode (LED) electrode assembly having an improved luminance is provided. More particularly, an ultra-small LED electrode assembly in which light, which is blocked by an electrode and cannot be extracted, is minimized, an ultra-small LED device is connected to an ultra-small electrode without a defect such as an electrical short-circuit, and a very excellent luminance is exhibited even at a direct current (DC) driving voltage, and a method of manufacturing the same are provided.
    Type: Application
    Filed: July 22, 2019
    Publication date: November 7, 2019
    Inventors: Young Rag Do, Yun Jae Eo, Yeon Goog Sung
  • Publication number: 20190252560
    Abstract: The present invention provides a colored thin film solar cell capable of minimizing reduction of efficiency of a thin film solar cell and improving a utility value by visually changing a black color of the thin film solar cell into an aesthetically pleasing color to exhibit an exterior appearance, thereby facilitating commercialization of the thin film solar cell, and provides a method for manufacturing the same.
    Type: Application
    Filed: February 27, 2018
    Publication date: August 15, 2019
    Inventors: Young Rag Do, Chang Wook Kim, Ji Hye Oh, Byoung Koun Min
  • Patent number: 10361246
    Abstract: An ultra-small light-emitting diode (LED) electrode assembly having an improved luminance is provided. More particularly, an ultra-small LED electrode assembly in which light, which is blocked by an electrode and cannot be extracted, is minimized, an ultra-small LED device is connected to an ultra-small electrode without a defect such as an electrical short-circuit, and a very excellent luminance is exhibited even at a direct current (DC) driving voltage, and a method of manufacturing the same are provided.
    Type: Grant
    Filed: September 15, 2017
    Date of Patent: July 23, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young Rag Do, Yun Jae Eo, Yeon Goog Sung
  • Publication number: 20190214438
    Abstract: A full-color light emitting diode (LED) display having an improved luminance is provided herein. More specifically, provided herein are a full-color LED display, in which an amount of light blocked by electrodes and not extracted is minimized and ultra-small LED devices are connected to ultra-small electrodes without defects such as electrical short circuits and the like, wherein the full-color LED display exhibits a further improved luminance when a direct current (DC) driving voltage is used and each pixel of the full-color LED display exhibits uniform luminance when the DC driving voltage is used, and a method of manufacturing the same.
    Type: Application
    Filed: March 15, 2019
    Publication date: July 11, 2019
    Inventors: Young Rag DO, Yun Jae EO, Yeon Goog SUNG
  • Publication number: 20190113185
    Abstract: The present invention relates to a nano-scale light emitting diode (LED) electrode assembly emitting polarized light, a method of manufacturing the same, and a polarized LED lamp having the same, and more particularly, to a nano-scale LED electrode assembly in which partially polarized light close to light that is linearly polarized having one direction is emitted as an emitted light when applying a driving voltage to the nano-scale LED electrode assembly and also nano-scale LED devices are connected to a nano-scale electrode without defects such as an electrical short circuit while maximizing a light extraction efficiency, a method of manufacturing the same, and a polarized LED lamp having the same.
    Type: Application
    Filed: November 30, 2018
    Publication date: April 18, 2019
    Inventors: Young Rag DO, Yeon Goog SUNG
  • Publication number: 20190088707
    Abstract: An ultra-small light-emitting diode (LED) electrode assembly having an improved luminance is provided. More particularly, an ultra-small LED electrode assembly in which light, which is blocked by an electrode and cannot be extracted, is minimized, an ultra-small LED device is connected to an ultra-small electrode without a defect such as an electrical short-circuit, and a very excellent luminance is exhibited even at a direct current (DC) driving voltage, and a method of manufacturing the same are provided.
    Type: Application
    Filed: September 15, 2017
    Publication date: March 21, 2019
    Inventors: Young Rag DO, Yun Jae EO, Yeon Goog SUNG
  • Publication number: 20190088724
    Abstract: A full-color light emitting diode (LED) display having an improved luminance is provided herein. More specifically, provided herein are a full-color LED display, in which an amount of light blocked by electrodes and not extracted is minimized and ultra-small LED devices are connected to ultra-small electrodes without defects such as electrical short circuits and the like, wherein the full-color LED display exhibits a further improved luminance when a direct current (DC) driving voltage is used and each pixel of the full-color LED display exhibits uniform luminance when the DC driving voltage is used, and a method of manufacturing the same.
    Type: Application
    Filed: September 15, 2017
    Publication date: March 21, 2019
    Inventors: Young Rag DO, Yun Jae EO, Yeon Goog SUNG
  • Patent number: 10236324
    Abstract: A full-color light emitting diode (LED) display having an improved luminance is provided herein. More specifically, provided herein are a full-color LED display, in which an amount of light blocked by electrodes and not extracted is minimized and ultra-small LED devices are connected to ultra-small electrodes without defects such as electrical short circuits and the like, wherein the full-color LED display exhibits a further improved luminance when a direct current (DC) driving voltage is used and each pixel of the full-color LED display exhibits uniform luminance when the DC driving voltage is used, and a method of manufacturing the same.
    Type: Grant
    Filed: September 15, 2017
    Date of Patent: March 19, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young Rag Do, Yun Jae Eo, Yeon Goog Sung
  • Publication number: 20190051724
    Abstract: Provided is a method of manufacturing a nanorod. The method comprising comprises the steps of: providing a growth substrate and a support substrate; epitaxially growing a nanomaterial layer onto one surface of the growth substrate; forming a sacrificial layer on one surface of the support substrate; bonding the nanomaterial layer with the sacrificial layer; separating the growth substrate from the nanomaterial layer; flattening the nanomaterial layer; forming a nanorod by etching the nanomaterial layer; and separating the nanorod by removing the sacrificial layer.
    Type: Application
    Filed: February 24, 2017
    Publication date: February 14, 2019
    Inventors: Young Rag DO, Yeon Goog SUNG