Patents Assigned to GLBTECH CO., LTD.
  • Patent number: 11569420
    Abstract: The present invention relates to a white light source and illumination apparatus for limiting wavelength of 450 nm or less and, more particularly, to a white light source and illumination apparatus for lighting in a lithography or other process, capable of realizing white light even with the limited wavelength of 450 nm or less light.
    Type: Grant
    Filed: October 31, 2019
    Date of Patent: January 31, 2023
    Assignee: GLBTECH CO., LTD.
    Inventors: Han Do Kim, Byung Soon Kim, Young Sik Choi, Guen Ryeol Park, Eun Mi Park, Yong Sun Choi
  • Patent number: 11293602
    Abstract: The present invention relates to an LED illuminant module and lighting apparatus and, more specifically, to a high color rendering D50/D65 standard LED illuminant module and lighting apparatus, which has both high color rendering properties and excellent metamerism index characteristics by using a high color rendering LED and an ultraviolet LED.
    Type: Grant
    Filed: March 11, 2021
    Date of Patent: April 5, 2022
    Assignee: GLBTECH CO., LTD.
    Inventors: Han Do Kim, Byung Soon Kim, Guen Ryeol Park, Eun Mi Park, Yong Sun Choi
  • Publication number: 20220005982
    Abstract: The present invention relates to a white light source and illumination apparatus for limiting wavelength of 450 nm or less and, more particularly, to a white light source and illumination apparatus for lighting in a lithography or other process, capable of realizing white light even with the limited wavelength of 450 nm or less light.
    Type: Application
    Filed: October 31, 2019
    Publication date: January 6, 2022
    Applicant: GLBTECH CO., LTD.
    Inventors: HAN DO KIM, BYUNG SOON KIM, YOUNG SIK CHOI, GUEN RYEOL PARK, EUN MI PARK, YONG SUN CHOI
  • Publication number: 20210270427
    Abstract: The present invention relates to an LED illuminant module and lighting apparatus and, more specifically, to a high color rendering D50/D65 standard LED illuminant module and lighting apparatus, which has both high color rendering properties and excellent metamerism index characteristics by using a high color rendering LED and an ultraviolet LED.
    Type: Application
    Filed: March 11, 2021
    Publication date: September 2, 2021
    Applicant: GLBTECH CO., LTD.
    Inventors: Han Do Kim, Byung Soon Kim, Guen Ryeol Park, Eun Mi Park, Yong Sun Choi
  • Patent number: 10982824
    Abstract: The present invention relates to an LED illuminant module and lighting apparatus and, more specifically, to a high color rendering D50/D65 standard LED illuminant module and lighting apparatus, which has both high color rendering properties and excellent metamerism index characteristics by using a high color rendering LED and an ultraviolet LED.
    Type: Grant
    Filed: September 5, 2018
    Date of Patent: April 20, 2021
    Assignee: GLBTECH CO., LTD.
    Inventors: Han Do Kim, Byung Soon Kim, Guen Ryeol Park, Eun Mi Park, Yong Sun Choi
  • Publication number: 20200191341
    Abstract: The present invention relates to an LED illuminant module and lighting apparatus and, more specifically, to a high color rendering D50/D65 standard LED illuminant module and lighting apparatus, which has both high color rendering properties and excellent metamerism index characteristics by using a high color rendering LED and an ultraviolet LED.
    Type: Application
    Filed: September 5, 2018
    Publication date: June 18, 2020
    Applicant: GLBTECH CO., LTD.
    Inventors: HAN DO KIM, BYUNG SOON KIM, GUEN RYEOL PARK, EUN Ml PARK, YONG SUN CHOI
  • Patent number: 10236425
    Abstract: The present invention relates to a white light emitting device having high color rendering, and the white light emitting device is a white light emitting lamp comprising a blue LED chip having an excitation wavelength of 440-460 nm, and a phosphor layer covering a light emitting surface of the blue LED chip and excited by the excitation wavelength of the blue LED chip so as to emit light, wherein the phosphor layer comprises a first phosphor having an emission peak wavelength of 480-499 nm; a second phosphor having an emission peak wavelength of 500-560 nm; and a third phosphor having an emission peak wavelength of 600-650 nm. According to aspects of the present invention, a white LED chip having high color rendering can be provided, and particularly, the white light emitting device having high color rendering for specific colors such as R9 and R12 can be provided.
    Type: Grant
    Filed: June 12, 2018
    Date of Patent: March 19, 2019
    Assignee: GLBTECH CO., LTD.
    Inventor: Han Do Kim
  • Patent number: 10020428
    Abstract: The present invention relates to a white light emitting device having high color rendering, and the white light emitting device is a white light emitting lamp comprising a blue LED chip having an excitation wavelength of 440-460 nm, and a phosphor layer covering a light emitting surface of the blue LED chip and excited by the excitation wavelength of the blue LED chip so as to emit light, wherein the phosphor layer comprises a first phosphor having an emission peak wavelength of 480-499 nm; a second phosphor having an emission peak wavelength of 500-560 nm; and a third phosphor having an emission peak wavelength of 600-650 nm. According to aspects of the present invention, a white LED chip having high color rendering can be provided, and particularly, the white light emitting device having high color rendering for specific colors such as R9 and R12 can be provided.
    Type: Grant
    Filed: August 18, 2014
    Date of Patent: July 10, 2018
    Assignee: GLBTECH CO., LTD.
    Inventor: Han Do Kim
  • Publication number: 20160218255
    Abstract: The present invention relates to a white light emitting device having high color rendering, and the white light emitting device is a white light emitting lamp comprising a blue LED chip having an excitation wavelength of 440-460 nm, and a phosphor layer covering a light emitting surface of the blue LED chip and excited by the excitation wavelength of the blue LED chip so as to emit light, wherein the phosphor layer comprises a first phosphor having an emission peak wavelength of 480-499 nm; a second phosphor having an emission peak wavelength of 500-560 nm; and a third phosphor having an emission peak wavelength of 600-650 nm. According to aspects of the present invention, a white LED chip having high color rendering can be provided, and particularly, the white light emitting device having high color rendering for specific colors such as R9 and R12 can be provided.
    Type: Application
    Filed: August 18, 2014
    Publication date: July 28, 2016
    Applicant: GLBTECH CO., LTD.
    Inventor: HAN DO KIM