Patents Assigned to GLBTECH CO., LTD.
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Patent number: 11569420Abstract: 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: GrantFiled: October 31, 2019Date of Patent: January 31, 2023Assignee: GLBTECH CO., LTD.Inventors: Han Do Kim, Byung Soon Kim, Young Sik Choi, Guen Ryeol Park, Eun Mi Park, Yong Sun Choi
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Patent number: 11293602Abstract: 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: GrantFiled: March 11, 2021Date of Patent: April 5, 2022Assignee: GLBTECH CO., LTD.Inventors: Han Do Kim, Byung Soon Kim, Guen Ryeol Park, Eun Mi Park, Yong Sun Choi
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Publication number: 20220005982Abstract: 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: ApplicationFiled: October 31, 2019Publication date: January 6, 2022Applicant: GLBTECH CO., LTD.Inventors: HAN DO KIM, BYUNG SOON KIM, YOUNG SIK CHOI, GUEN RYEOL PARK, EUN MI PARK, YONG SUN CHOI
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Publication number: 20210270427Abstract: 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: ApplicationFiled: March 11, 2021Publication date: September 2, 2021Applicant: GLBTECH CO., LTD.Inventors: Han Do Kim, Byung Soon Kim, Guen Ryeol Park, Eun Mi Park, Yong Sun Choi
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Patent number: 10982824Abstract: 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: GrantFiled: September 5, 2018Date of Patent: April 20, 2021Assignee: GLBTECH CO., LTD.Inventors: Han Do Kim, Byung Soon Kim, Guen Ryeol Park, Eun Mi Park, Yong Sun Choi
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Publication number: 20200191341Abstract: 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: ApplicationFiled: September 5, 2018Publication date: June 18, 2020Applicant: GLBTECH CO., LTD.Inventors: HAN DO KIM, BYUNG SOON KIM, GUEN RYEOL PARK, EUN Ml PARK, YONG SUN CHOI
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Patent number: 10236425Abstract: 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: GrantFiled: June 12, 2018Date of Patent: March 19, 2019Assignee: GLBTECH CO., LTD.Inventor: Han Do Kim
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Patent number: 10020428Abstract: 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: GrantFiled: August 18, 2014Date of Patent: July 10, 2018Assignee: GLBTECH CO., LTD.Inventor: Han Do Kim
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Publication number: 20160218255Abstract: 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: ApplicationFiled: August 18, 2014Publication date: July 28, 2016Applicant: GLBTECH CO., LTD.Inventor: HAN DO KIM