WO2015030276A1 - Dispositif d'émission de lumière blanche permettant un éclairage à l'aide de rayons ultraviolets proches et d'une substance fluorescente - Google Patents

Dispositif d'émission de lumière blanche permettant un éclairage à l'aide de rayons ultraviolets proches et d'une substance fluorescente Download PDF

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Publication number
WO2015030276A1
WO2015030276A1 PCT/KR2013/007811 KR2013007811W WO2015030276A1 WO 2015030276 A1 WO2015030276 A1 WO 2015030276A1 KR 2013007811 W KR2013007811 W KR 2013007811W WO 2015030276 A1 WO2015030276 A1 WO 2015030276A1
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WO
WIPO (PCT)
Prior art keywords
light emitting
wavelength
light
red
led
Prior art date
Application number
PCT/KR2013/007811
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English (en)
Korean (ko)
Inventor
안종욱
박정환
심재곤
박노준
Original Assignee
An Jong Uk
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by An Jong Uk filed Critical An Jong Uk
Priority to PCT/KR2013/007811 priority Critical patent/WO2015030276A1/fr
Publication of WO2015030276A1 publication Critical patent/WO2015030276A1/fr

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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
    • H01L33/50—Wavelength conversion elements
    • H01L33/501—Wavelength conversion elements characterised by the materials, e.g. binder
    • H01L33/502—Wavelength conversion materials
    • H01L33/504—Elements with two or more wavelength conversion materials
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps

Definitions

  • the present invention relates to a white light emitting device using a blue light emitting phosphor, a green light emitting phosphor, a red light emitting phosphor and a yellow light emitting phosphor, and a lighting device using the same.
  • LAMP type LEDs manufactured on a vertical surface in the process as an LED or shell type LED element, a module type lighting device incorporating a plurality of them, a flip chip and a Mouthule type and a lighting device integrating a plurality thereof, and a COB multi-chip type module And it relates to a lighting device comprising the same.
  • a fluorescent material is coated on a surface of a semiconductor light emitting device (LED Chip), and a phosphor powder is contained in a resin constituting the LED light emitting device. Containing the weight%, it is practical to obtain a light emission color other than the original blue light emission color, for example, white light emission.
  • a GaN-based semiconductor light emitting device that emits blue light having a center wavelength of about 460 nm has been generally used.
  • these white LEDs contain a lot of blue light when subjected to spectral analysis, and thus there is room for improvement of optical characteristics such as color stability and color rendering.
  • the present invention can implement a light emission spectrum that was possible only by Halogen Lamp equipped with daylight filter by using near-ultraviolet, red, green, blue phosphor and yellow phosphor, and to provide a white LED having excellent color rendering index and high color stability. It is for.
  • a blue light emitting phosphor that emits blue light by using a semiconductor chip (LED chip) that emits near ultraviolet light and emits blue light, a green light emitting phosphor that emits green light, and a red light emitting red light
  • LED chip semiconductor chip
  • a green light emitting phosphor that emits green light
  • a red light emitting red light Three types of luminescent phosphors are mixed in a predetermined mixing ratio, and a method of obtaining color stability and high color rendering index of white light is inserted into a halogen lamp by inserting a daylight filter (absorbing a red region from yellow light by using a halogen lamp emission wavelength). It provides a method of obtaining a hue approximating sunlight.
  • As a method of realizing the emission spectrum of daylight filter halogen lamp it adds four kinds of phosphors that convert wavelengths into blue, green, red, and yellow regions excited by light emission from semiconductor light emitting devices. And color rendering index.
  • the LED is characterized in that the form selected from the group consisting of SMD form, LAMP form and COB form.
  • the white LED according to the present invention can obtain an excellent color rendering index, and in particular, can implement the spectrum of the existing halogen light source.
  • 3 is an example of spectral analysis of a blue light excited white LED.
  • FIG. 7 is an example of color coordinate analysis of a white LED having a bulb color with a color temperature of 2,200K to 3,400K according to an embodiment of the present invention.
  • 10 is an example of color coordinate analysis of a white LED having a primary white color temperature of 4,500 K according to an embodiment of the present invention.
  • 11 is an example of spectral analysis of a white LED having a primary white color temperature of 4,500 K according to an embodiment of the present invention.
  • 13 is an example of color coordinate analysis of a white LED having a daylight color of 6,500K color temperature according to an embodiment of the present invention.
  • 15 is an example of a color rendering index analysis of a white LED having a daylight color with a color temperature of 6,500 K according to an embodiment of the present invention.
  • the ultraviolet LED element emitting near ultraviolet light three kinds of blue emitting phosphors absorbing near ultraviolet light and emitting blue light, green emitting phosphor emitting green light, and red emitting phosphor emitting red light are mixed in a predetermined blending ratio.
  • wavelength conversion is performed in blue, green, red, and yellow regions excited by light emission from an electric semiconductor light emitting device as a countermeasure to the emission spectrum of daylight filter halogen lamps.
  • Lighting apparatus which realized the method of improving the glossiness when irradiated to an object by adding four kinds of fluorescent substance.

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  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Led Device Packages (AREA)

Abstract

La présente invention a pour objet de proposer une DEL blanche qui présente un excellent indice de rendu chromatique et une stabilité chromatique élevée, et qui peut mettre en œuvre un spectre d'émission de lumière qui était auparavant possible uniquement au moyen d'une lampe halogène pourvue d'un filtre lumière du jour, la DEL blanche utilisant un dispositif à semi-conducteurs (puce de DEL) pour émettre des rayons ultraviolets proches, une substance fluorescente de lumière bleue permettant d'absorber les rayons ultraviolets proches et d'émettre une lumière bleue, une substance fluorescente de lumière verte permettant d'émettre une lumière verte, une substance fluorescente de lumière rouge permettant d'émettre une lumière rouge et une substance fluorescente de lumière jaune permettant d'émettre une lumière jaune.
PCT/KR2013/007811 2013-08-30 2013-08-30 Dispositif d'émission de lumière blanche permettant un éclairage à l'aide de rayons ultraviolets proches et d'une substance fluorescente WO2015030276A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/KR2013/007811 WO2015030276A1 (fr) 2013-08-30 2013-08-30 Dispositif d'émission de lumière blanche permettant un éclairage à l'aide de rayons ultraviolets proches et d'une substance fluorescente

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2013/007811 WO2015030276A1 (fr) 2013-08-30 2013-08-30 Dispositif d'émission de lumière blanche permettant un éclairage à l'aide de rayons ultraviolets proches et d'une substance fluorescente

Publications (1)

Publication Number Publication Date
WO2015030276A1 true WO2015030276A1 (fr) 2015-03-05

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Application Number Title Priority Date Filing Date
PCT/KR2013/007811 WO2015030276A1 (fr) 2013-08-30 2013-08-30 Dispositif d'émission de lumière blanche permettant un éclairage à l'aide de rayons ultraviolets proches et d'une substance fluorescente

Country Status (1)

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WO (1) WO2015030276A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106523956A (zh) * 2016-12-31 2017-03-22 复旦大学 多激发波长的荧光粉转换全光谱led光源
USD804062S1 (en) 2016-08-16 2017-11-28 Linaya Hahn Portion of a LED light bulb
KR20210141246A (ko) 2020-05-15 2021-11-23 고려대학교 세종산학협력단 의료용 2광원 이원조명 제조방법

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000347601A (ja) * 1999-06-02 2000-12-15 Toshiba Electronic Engineering Corp 発光装置
KR20040037229A (ko) * 2001-10-01 2004-05-04 마츠시타 덴끼 산교 가부시키가이샤 반도체 발광소자와 이를 이용한 발광장치
JP2010225787A (ja) * 2009-03-23 2010-10-07 Yamaguchi Univ サファイア基板の製造方法、および半導体装置
US20100314993A1 (en) * 2009-06-16 2010-12-16 The Regents Of The University Of California Oxyfluoride phosphors and white light emitting diodes including the oxyfluoride phosphor for solid-state lighting applications
KR20110022453A (ko) * 2009-08-27 2011-03-07 한국산업기술대학교산학협력단 요철 패턴 기판 상의 고품질 비극성／반극성 반도체 소자 및 그 제조 방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000347601A (ja) * 1999-06-02 2000-12-15 Toshiba Electronic Engineering Corp 発光装置
KR20040037229A (ko) * 2001-10-01 2004-05-04 마츠시타 덴끼 산교 가부시키가이샤 반도체 발광소자와 이를 이용한 발광장치
JP2010225787A (ja) * 2009-03-23 2010-10-07 Yamaguchi Univ サファイア基板の製造方法、および半導体装置
US20100314993A1 (en) * 2009-06-16 2010-12-16 The Regents Of The University Of California Oxyfluoride phosphors and white light emitting diodes including the oxyfluoride phosphor for solid-state lighting applications
KR20110022453A (ko) * 2009-08-27 2011-03-07 한국산업기술대학교산학협력단 요철 패턴 기판 상의 고품질 비극성／반극성 반도체 소자 및 그 제조 방법

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD804062S1 (en) 2016-08-16 2017-11-28 Linaya Hahn Portion of a LED light bulb
CN106523956A (zh) * 2016-12-31 2017-03-22 复旦大学 多激发波长的荧光粉转换全光谱led光源
KR20210141246A (ko) 2020-05-15 2021-11-23 고려대학교 세종산학협력단 의료용 2광원 이원조명 제조방법

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