WO2020220689A1 - 一种健康照明的发光系统、灯条和灯具 - Google Patents

一种健康照明的发光系统、灯条和灯具 Download PDF

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WO2020220689A1
WO2020220689A1 PCT/CN2019/124921 CN2019124921W WO2020220689A1 WO 2020220689 A1 WO2020220689 A1 WO 2020220689A1 CN 2019124921 W CN2019124921 W CN 2019124921W WO 2020220689 A1 WO2020220689 A1 WO 2020220689A1
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light
characteristic
lighting
healthy
color temperature
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English (en)
French (fr)
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章金惠
麦家儿
袁毅凯
谭孟苹
郑中健
李程
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佛山市国星光电股份有限公司
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Priority to US17/607,046 priority Critical patent/US11732872B2/en
Publication of WO2020220689A1 publication Critical patent/WO2020220689A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
    • F21K9/64—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using wavelength conversion means distinct or spaced from the light-generating element, e.g. a remote phosphor layer
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/30—Elements containing photoluminescent material distinct from or spaced from the light source
    • 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
    • C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
    • C09K11/7728—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing europium
    • C09K11/77342—Silicates
    • 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
    • C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
    • C09K11/7728—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing europium
    • C09K11/77347—Silicon Nitrides or Silicon Oxynitrides
    • 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
    • C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
    • C09K11/7728—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing europium
    • C09K11/77348—Silicon Aluminium Nitrides or Silicon Aluminium Oxynitrides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S4/00—Lighting devices or systems using a string or strip of light sources
    • F21S4/20—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports
    • F21S4/28—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports rigid, e.g. LED bars
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
    • H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
    • H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
    • H01L25/075—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00
    • H01L25/0753—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00 the devices being arranged next to each other
    • 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 the technical field of LED lighting systems, in particular to a lighting system, light bar and lamps for healthy lighting.
  • the near-ultraviolet band of 380nm-405nm can damage human eyes and cause cataracts; the high-energy blue light band of 415nm-455nm can damage human eyes, causing AMD, visual fatigue and myopia. Wait.
  • certain special bands in white light can regulate human rhythm and emotions.
  • the 465nm-495nm band can regulate the secretion of melatonin, thereby regulating the human biological clock and regulating human emotions.
  • the present invention provides a lighting system, light bar and lamp with healthy lighting.
  • a healthy lighting lighting system that can emit white light.
  • the color temperature range of the white light is 2700K-6500K.
  • the relative spectral power of the lighting system is set to ⁇ ( ⁇ ), and the relative spectrum of the solar spectrum curve corresponding to the color temperature
  • the power distribution is set with S( ⁇ ).
  • the solar spectrum curve is the black body radiation curve corresponding to the color temperature.
  • the solar spectrum curve is the CIE standard lighting corresponding to the color temperature.
  • the white light has a first characteristic wavelength band, the wavelength region of the first characteristic wavelength band is 380nm-405nm, the white light has a second characteristic wavelength band, the wavelength region of the second characteristic wavelength band is 415nm- 455nm, the white light has a third characteristic wavelength band, the wavelength region of the third characteristic wavelength band is 465nm-495nm, and the first characteristic wavelength band and the second characteristic wavelength band satisfy:
  • ⁇ ( ⁇ 555 ) is the relative spectral power of the light-emitting system when the wavelength ⁇ is 555 nm
  • S( ⁇ 555 ) is the relative spectral power of the solar spectrum curve when the wavelength ⁇ is 555 nm.
  • the energy ratio of the first characteristic waveband is less than or equal to 1%, and the energy ratio of the second characteristic waveband is less than or equal to 15%.
  • the spectrum emitted by the luminescence system of the healthy lighting has the following characteristics in part of the wavelength region:
  • the light-emitting system uses a chip with a main emission peak at 380nm-430nm to excite phosphors to emit white light.
  • the phosphor consists of blue powder (the main emission peak is at 430nm-500nm, the half-peak width is 20nm-100nm), green powder (the main emission peak is at 480nm-550nm, the half-peak width is 20nm-80nm), yellow powder (the main emission peak is at 540nm-600nm, The half-value width is 60nm-120nm) and red powder (the main emission peak is 600nm-700nm, the half-value width is 80nm-120nm).
  • the blue powder is aluminate, chlorophosphate or silicate, specifically including BaMgAl 10 O 17 :Eu 2+ , BaAl 12 O 9 :Eu 2+ , Sr 5 (PO 4 ) 3 Cl:Eu 2 + , Ba 5 (PO 4 ) 3 Cl: Eu 2+ , RbNa 3 (Li 3 SiO 4 ) 4 : Eu 2+ or MgSr 3 Si 2 O 8 : Eu 2+ ;
  • the green powder is oxynitride, silicon Acid salt or aluminate, specifically including SiAlON: Eu 2+ , BaSiON 2 : Eu 2+ , Ba 2 SiO 4 : Eu 2+ or LuAG;
  • the yellow powder is aluminate, silicate or nitride, specifically including Ga-YAG, Sr 2 SiO 4 :Eu 2+ , (BaSr) 2 SiO 4 :Eu 2+ or La 3 Si 6 N 11 : Ce 3+ ;
  • the beneficial effects of the present invention are: the light emitting system limits the first characteristic waveband, the second characteristic waveband, and the third characteristic waveband to achieve white light output while reducing the harmful spectrum to the human body and improving the beneficial spectrum to the human body. Realize healthy lighting.
  • the lighting system can be applied to LED lighting systems.
  • a light bar and a lamp are provided, which have the beneficial effects of the light emitting system.
  • Figure 1 is a comparison diagram between the light-emitting system made in Example 1 and the 2700K blackbody radiation curve;
  • Figure 2 is a comparison diagram between the luminescent system made in Example 2 and the 3000K blackbody radiation curve
  • Figure 3 is a comparison diagram between the luminescence system made in Example 3 and the 4000K blackbody radiation curve
  • Figure 4 is a comparison diagram between the luminous system made in Example 4 and the D curve of the 5000K standard illuminator;
  • Fig. 5 is a comparison diagram between the light-emitting system made in Example 5 and the D curve of the 6500K standard illuminator.
  • Embodiment 1 a lighting system for healthy lighting.
  • the fluorescent powder is excited by the purple chip with the main emission peak at 380nm-430nm.
  • the fluorescent powder is composed of 45.0% MgSr 3 Si 2 O 8 :Eu 2+ , 25.0% BaSiON 2 : Eu 2+ , 20.0 parts by mass % Sr 2 SiO 4 :Eu 2+ and 10.0% CaAlSiN 3 :Eu 2+ are mixed.
  • the produced light-emitting system with a color temperature of 2700K has a first characteristic wavelength band with a wavelength region of 380nm-405nm in the emission spectrum, and the first characteristic wavelength band satisfies:
  • It also has a second characteristic band with a wavelength range of 415nm-455nm, and the second characteristic band satisfies:
  • Embodiment 2 a lighting system for healthy lighting.
  • the fluorescent powder is excited by the purple chip with the main emission peak at 380nm-430nm, and the fluorescent powder is composed of 50.0% MgSr 3 Si 2 O 8 :Eu 2+ , 23.6% BaSiON 2 :Eu 2+ , 18.0 parts by mass. % Sr 2 SiO 4 :Eu 2+ and 8.4% CaAlSiN 3 :Eu 2+ are mixed.
  • the produced light-emitting system with a color temperature of 3000K has a light-emitting spectrum with a first characteristic band in the wavelength region of 380nm-405nm, and the first characteristic band satisfies:
  • It also has a second characteristic band with a wavelength range of 415nm-455nm, and the second characteristic band satisfies:
  • Embodiment 3 a lighting system for healthy lighting.
  • the fluorescent powder is excited by the purple chip with the main emission peak at 380nm-430nm, and the fluorescent powder is composed of 69.3% MgSr 3 Si 2 O 8 :Eu 2+ , 14.9% BaSiON 2 :Eu 2+ , 8.4 % Sr 2 SiO 4 :Eu 2+ and 7.4% CaAlSiN 3 :Eu 2+ are mixed.
  • the produced light-emitting system with a color temperature of 4000K has a first characteristic band with a wavelength region of 380-405nm in the light-emitting spectrum, and the first characteristic band satisfies:
  • It also has a second characteristic band with a wavelength range of 415nm-455nm, and the second characteristic band satisfies:
  • Embodiment 4 a lighting system for healthy lighting.
  • the fluorescent powder is excited by the purple chip with the main emission peak at 380nm-430nm.
  • the fluorescent powder is composed of 75.4% MgSr 3 Si 2 O 8 :Eu 2+ , 12.1% BaSiON 2 :Eu 2+ , 7.5 parts by mass. % Sr 2 SiO 4 :Eu 2+ and 4.9% CaAlSiN 3 :Eu 2+ are mixed.
  • the produced light-emitting system with a color temperature of 5000K has a light-emitting spectrum with a first characteristic band in the wavelength region of 380nm-405nm, and the first characteristic band satisfies:
  • It also has a second characteristic band with a wavelength range of 415nm-455nm, and the second characteristic band satisfies:
  • Embodiment 5 a lighting system for healthy lighting.
  • the phosphor is excited by the purple chip with the main emission peak at 380nm-430nm, and the phosphor is composed of 85.0% MgSr 3 Si 2 O 8 :Eu 2+ , 6.0% BaSiON 2 :Eu 2+ , 6.0 parts by mass. % Sr 2 SiO 4 :Eu 2+ and 3.0% CaAlSiN 3 :Eu 2+ are mixed.
  • the produced light-emitting system with a color temperature of 6500K has a first characteristic wavelength band in the wavelength region of 380nm-405nm, and the first characteristic wavelength band satisfies:
  • It also has a second characteristic band with a wavelength range of 415nm-455nm, and the second characteristic band satisfies:
  • Table 1 is a table of color quality parameters of light-emitting systems with different color temperatures.
  • Ra general color rendering index
  • Rf color fidelity index
  • Rg color saturation index
  • Table 2 is the parameter table of R1-R8 values (color rendering index) for different color temperatures:
  • Table 3 is the parameter table of R9-R15 values of different color temperatures:
  • Table 4 shows the proportion of energy in the harmful band of the light-emitting system of each color temperature:
  • Example 1 2 3 4 5 Color temperature/K 2700 3000 4000 5000 6500 380-405nm 0.42% 0.06% 0.18% 0.12% 0.06% 415-455nm 3.2% 5.2% 7.3% 10.6% 13.6%
  • Table 5 shows the ratio of the characteristic long-wave blue band and the solar spectrum curve of the light-emitting system of various color temperatures:
  • Example 1 2 3 4 5 Color temperature/K 2700 3000 4000 5000 6500 465-495 78.1% 93.5% 98.0% 106.6% 84.5%
  • Table 6 shows the ratio of the integral of each band of the luminescence system of each color temperature to the solar spectrum curve:
  • Example 1 2 3 4 5 Color temperature/K 2700 3000 4000 5000 6500 430-500nm 85% 98% 98% 106% 95% 500-600nm 99% 101% 100% 101% 97% 600-700nm 81% 85% 85% 91% 77%
  • the first characteristic band (380nm-405nm) is near-ultraviolet band UVA
  • the second characteristic band (415nm-455nm) is high-energy blue band HEV.
  • These two characteristic bands are harmful to the human retina or skin.
  • the present application creatively reduces the energy ratio of the first characteristic waveband and the second characteristic waveband while realizing the white light output, thereby reducing the damage to the human retina and skin by the light-emitting system.
  • the third characteristic waveband (465nm-495nm) has an effect on the biological rhythm of the human body. When this waveband is similar to the solar spectrum curve, it adjusts the biological rhythm of the human body optimally.
  • This application creatively implements the third characteristic waveband while realizing white light output.
  • the limitation makes it similar to the solar spectrum curve.
  • the light-emitting system of the present application achieves relatively good effects in terms of color quality.
  • a light bar which has the light emitting system described in the above embodiment.
  • a lamp having the light emitting system described in the above embodiment is described in the above embodiment.
  • the light bar and the lamp can emit a spectrum that is beneficial to the human body, thereby realizing healthy lighting.

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Abstract

一种健康照明的发光系统、灯条和灯具，用于照明领域，能够发出白色光，白色光的色温范围为2700K-6500K，将发光系统的相对光谱功率设为Ф(λ)，将对应色温的太阳光谱曲线的相对光谱功率分布设为S(λ)，白色光具有第一特征波段，第一特征波段的波长区域为380-405nm，白色光具有第二特征波段，第二特征波段的波长区域为415-455nm，白色光具有第三特征波段，第三特征波段的波长区域为465-495nm。通过对第一特征波段、第二特征波段和第三特征波段进行限制，实现白光输出的同时，降低了对人体有害的光谱和提高了对人体有益的光谱，实现健康照明。

Description

一种健康照明的发光系统、灯条和灯具
本申请要求申请号为201910356839.1，申请日为2019年04月29日，发明创造名称为“一种健康照明的发光系统、灯条和灯具”的中国专利申请的优先权。
技术领域
本发明涉及LED发光系统技术领域，特别是涉及一种健康照明的发光系统、灯条和灯具。
背景技术
随着人们对光品质的要求增加，越来越多的应用会对发光器件光色的要求提升。目前，采用紫光LED激发蓝、绿、红可获得连续的光谱，更接近太阳光谱，显色性能更好。
有研究表明，白光中的某些特殊波段对人体有害，如380nm-405nm的近紫外波段会损伤人眼，引起白内障；415nm-455nm的高能蓝光波段对损伤人眼，引起AMD，视觉疲劳以及近视等。另外，还有研究表明，白光中的某些特殊波段能够调节人的司辰节律和情绪，如465nm-495nm波段，可以调节褪黑色素的分泌，进而调控人的生物钟，以及调节人的情绪。
发明内容
针对以上缺陷，本发明提供一种具有健康照明的发光系统、灯条和灯具。
本发明解决其技术问题的解决方案是：
一种健康照明的发光系统，能够发出白色光，所述白色光的色温范围为2700K-6500K，将本发光系统的相对光谱功率设为Ф(λ)，将对应色温的太阳光谱曲线的相对光谱功率分布设有S(λ)，其中，在色温≥2700K且＜5000K时，太阳光谱曲线为对应色温的黑体辐射曲线，在色温≥5000K且≤6500K时，太阳光谱曲线为对应色温的CIE标准照明体D曲线，所述白色光具有第一特征波段，所述第一特征波段的波长区域为380nm-405nm，所述白色光具有第二特征波段，所述第二特征波段的波长区域为415nm-455nm，所述白色光具有第三特征波段，所述第三特征波段的波长区域为465nm-495nm，对第一特征波段和第二特征波段满足：
Figure PCTCN2019124921-appb-000001
Figure PCTCN2019124921-appb-000002
对第三特征波段进行归一化处理，满足：
Figure PCTCN2019124921-appb-000003
其中，Ф(λ 555)表示为波长λ在555nm时，本发光系统的相对光谱功率，S(λ 555)表示为波长λ在555nm时，太阳光谱曲线的相对光谱功率。
即从上述公式可以看出，第一特征波段的能量占比小于等于1％，第二特征波段的能量占比小于等于15％。
为使该发光系统的色品质更好，进一步优选的情况包括：
第一特征波段满足：
Figure PCTCN2019124921-appb-000004
第二特征波段进一步满足：
Figure PCTCN2019124921-appb-000005
第三特征波段进一步满足：
Figure PCTCN2019124921-appb-000006
进一步，该健康照明的发光系统发出的光谱在部分波长区域内具有以下特征：
当λ在430nm-500nm的波长区域中时，Ф(λ)和S(λ)之间的积分比例关系满足：
Figure PCTCN2019124921-appb-000007
当λ在500nm-600nm的波长区域中时，Ф(λ)和S(λ)之间的积分比例关系满足：
Figure PCTCN2019124921-appb-000008
当λ在600nm-700nm的波长区域中时，Ф(λ)和S(λ)之间的积分比例关系满足：
Figure PCTCN2019124921-appb-000009
该发光系统是由发射主峰在380nm-430nm的芯片激发荧光粉从而发出白色光。所述荧光粉由蓝粉(发射主峰在430nm-500nm、半峰宽20nm-100nm)、绿粉(发射主峰在480nm-550nm，半峰宽20nm-80nm)、黄粉(发射主峰在540nm-600nm、半峰宽60nm-120nm)以及红粉(发射主峰在600nm-700nm、半峰宽80nm-120nm)组成。其中，所述蓝粉为铝酸盐、氯磷酸盐或硅酸盐，具体包括BaMgAl 10O 17:Eu 2+、BaAl 12O 9:Eu 2+、Sr 5(PO 4) 3Cl:Eu 2+、Ba 5(PO 4) 3Cl:Eu 2+、RbNa 3(Li 3SiO 4) 4:Eu 2+或MgSr 3Si 2O 8:Eu 2+；所述绿粉为氮氧化物、硅酸盐或铝酸盐，具体包括SiAlON:Eu 2+、BaSiON 2:Eu 2+、Ba 2SiO 4:Eu 2+或LuAG；所述黄粉为铝酸盐、硅酸盐或氮化物，具体包括Ga-YAG、Sr 2SiO 4:Eu 2+、(BaSr) 2SiO 4:Eu 2+或La 3Si 6N 11:Ce 3+；所述红粉为氮化物、硫化物或氟化物，具体包括CaAlSiN 3:Eu 2+、(Ca 1-xSr x)AlSiN 3:Eu 2+、Ca 2Si 5N 8:Eu 2+、Sr 2Si 5N 8:Eu 2+、Ba 2Si 5N 8:Eu 2+、CaS:Eu 2+或MgGeF 6:Mn 4+。
一种灯条，所述灯条具有上述技术方案所述的发光系统。
一种灯具，所述灯具具有上述技术方案所述的发光系统。
本发明的有益效果是：发光系统通过对第一特征波段、第二特征波段和第三特征波段进行限制，实现白光输出的同时，降低了对人体有害的光谱和提高了对人体有益的光谱，实现健康照明。该发光系统可应用于LED发光系统中。提供一种灯条和灯具，该灯条和灯具具有所述发光系统的有益效果。
附图说明
了更清楚地说明本发明实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单说明。显然，所描述的附图只是本发明的一部分实施例，而不是全部实施例，本领域的技术人员在不付出创造性劳动的前提下，还可以根据这些附图获得其他设计方案和附图。
图1是实施例1制成的发光系统与2700K黑体辐射曲线之间对比图；
图2是实施例2制成的发光系统与3000K黑体辐射曲线之间的对比图；
图3是实施例3制成的发光系统与4000K黑体辐射曲线之间的对比图；
图4是实施例4制成的发光系统与5000K标准照明体D曲线之间的对比图；
图5是实施例5制成的发光系统与6500K标准照明体D曲线之间的对比图。
具体实施方式
下将结合实施例和附图对本发明的构思、具体结构及产生的技术效果进行清楚、完整地描述，以充分地理解本发明的目的、特征和效果。显然，所描述的实施例只是本发明的一部分实施例，而不是全部实施例，基于本发明的实施例，本领域的技术人员在不付出创造性劳动的前提下所获得的其他实施例，均属于本发明保护的范围。另外，文中所提到的所有联接/连接关系，并非单指构件直接相接，而是指可根据具体实施情况，通过添加或减少联接辅件， 来组成更优的联接结构。本发明创造中的各个技术特征，在不互相矛盾冲突的前提下可以交互组合。
实施例1，一种健康照明的发光系统。由发射主峰在380nm-430nm的紫光芯片激发荧光粉发光，所述荧光粉按质量份计，由45.0％的MgSr 3Si 2O 8:Eu 2+、25.0％的BaSiON 2:Eu 2+、20.0％的Sr 2SiO 4:Eu 2+以及10.0％的CaAlSiN 3:Eu 2+混合而成。
制得色温为2700K的发光系统其发光光谱具有波长区域为380nm-405nm的第一特征波段，且第一特征波段满足:
Figure PCTCN2019124921-appb-000010
还具有波长区域为415nm-455nm的第二特征波段，且第二特征波段满足:
Figure PCTCN2019124921-appb-000011
以及具有波长区域为465nm-495nm的第三特征波段，且第三特征波段满足:
Figure PCTCN2019124921-appb-000012
实施例2，一种健康照明的发光系统。由发射主峰在380nm-430nm的紫光芯片激发荧光粉发光，所述荧光粉按质量份计，由50.0％的MgSr 3Si 2O 8:Eu 2+、23.6％的BaSiON 2:Eu 2+、18.0％的Sr 2SiO 4:Eu 2+以及8.4％的CaAlSiN 3:Eu 2+混合而成。
制得色温为3000K的发光系统其发光光谱具有波长区域为380nm-405nm的第一特征波段，且第一特征波段满足:
Figure PCTCN2019124921-appb-000013
还具有波长区域为415nm-455nm的第二特征波段，且第二特征波段满足:
Figure PCTCN2019124921-appb-000014
以及具有波长区域为465nm-495nm的第三特征波段，且第三特征波段满足:
Figure PCTCN2019124921-appb-000015
实施例3，一种健康照明的发光系统。由发射主峰在380nm-430nm的紫光芯片激发荧光粉发光，所述荧光粉按质量份计，由69.3％的MgSr 3Si 2O 8:Eu 2+、14.9％的BaSiON 2:Eu 2+、8.4％的Sr 2SiO 4:Eu 2+以及7.4％的CaAlSiN 3:Eu 2+混合而成。
制得色温为4000K的发光系统其发光光谱具有波长区域为380-405nm的第一特征波段，且第一特征波段满足:
Figure PCTCN2019124921-appb-000016
还具有波长区域为415nm-455nm的第二特征波段，且第二特征波段满足:
Figure PCTCN2019124921-appb-000017
以及具有波长区域为465nm-495nm的第三特征波段，且第三特征波段满足:
Figure PCTCN2019124921-appb-000018
实施例4，一种健康照明的发光系统。由发射主峰在380nm-430nm的紫光芯片激发荧光粉发光，所述荧光粉按质量份计，由75.4％的MgSr 3Si 2O 8:Eu 2+、12.1％的BaSiON 2:Eu 2+、7.5％的Sr 2SiO 4:Eu 2+以及4.9％的CaAlSiN 3:Eu 2+混合而成。
制得色温为5000K的发光系统其发光光谱具有波长区域为380nm-405nm的第一特征波段，且第一特征波段满足:
Figure PCTCN2019124921-appb-000019
还具有波长区域为415nm-455nm的第二特征波段，且第二特征波段满足:
Figure PCTCN2019124921-appb-000020
以及具有波长区域为465nm-495nm的第三特征波段，且第三特征波段满足:
Figure PCTCN2019124921-appb-000021
实施例5，一种健康照明的发光系统。由发射主峰在380nm-430nm的紫光芯片激发荧光粉发光，所述荧光粉按质量份计，由85.0％的MgSr 3Si 2O 8:Eu 2+、6.0％的BaSiON 2:Eu 2+、6.0％的Sr 2SiO 4:Eu 2+以及3.0％的CaAlSiN 3:Eu 2+混合而成。
制得色温为6500K的发光系统其发光光谱具有波长区域为380nm-405nm的第一特征波段，且第一特征波段满足:
Figure PCTCN2019124921-appb-000022
还具有波长区域为415nm-455nm的第二特征波段，且第二特征波段满足:
Figure PCTCN2019124921-appb-000023
以及具有波长区域为465nm-495nm的第三特征波段，且第三特征波段满足:
Figure PCTCN2019124921-appb-000024
实验例1，取实施例1～5制得的发光系统进行测试比较，得到其不同色温的发光系统的色品质参数(见表1)、不同色温的R1-R8值(见表2)、不同色温的R9-R15值(见表3)、各色温的发光系统的有害波段(第一特征波段和第二特征波段)的能量占比(见表4)、各色温的发光系统的特征长波蓝光波段(第三特征波段)与太阳光谱曲线的比例(见表5)、各色温的发光系统的各波段积分与太阳光谱曲线的比例(见表6)。
其中，表1为不同色温的的发光系统的色品质参数表。其中，Ra：一般显色指数、Rf：色保真指数和Rg：色饱和指数：
色温/K 实施例 Rf Rg Ra
2700 1 96.1 99.7 98.0
3000 2 96.4 100.7 97.3
4000 3 96.7 99.4 98.8
5000 4 96.2 100.5 96.8
6500 5 95.1 98.5 95.4
表1；
表2是不同色温的R1-R8值(显色指数)参数表：
Figure PCTCN2019124921-appb-000025
表2。
表3为不同色温的R9-R15值的参数表：
色温/K R9 R10 R11 R12 R13 R14 R15
2700 93.7 95.0 94.4 95.5 99.2 95.3 99.0
3000 98.5 97.3 91.9 95.7 96.6 97.9 98.2
4000 98.0 98.8 98.7 92.8 98.8 98.1 98.8
5000 91.8 93.3 95.4 93.0 95.9 99.1 96.0
6500 90.0 90.0 95.1 90.0 95.9 97.2 95.1
表3。
表4为各色温的发光系统的有害波段的能量占比：
实施例 1 2 3 4 5
色温/K 2700 3000 4000 5000 6500
380-405nm 0.42％ 0.06％ 0.18％ 0.12％ 0.06％
415-455nm 3.2％ 5.2％ 7.3％ 10.6％ 13.6％
表4。
表5为各色温的发光系统的特征长波蓝光波段与太阳光谱曲线的比例：
实施例 1 2 3 4 5
色温/K 2700 3000 4000 5000 6500
465-495 78.1％ 93.5％ 98.0％ 106.6％ 84.5％
表5。
表6为各色温的发光系统的各波段积分与太阳光谱曲线的比例：
实施例 1 2 3 4 5
色温/K 2700 3000 4000 5000 6500
430-500nm 85％ 98％ 98％ 106％ 95％
500-600nm 99％ 101％ 100％ 101％ 97％
600-700nm 81％ 85％ 85％ 91％ 77％
表6。
其中，实施例1-5制成的发光系统的光学曲线图如图1-5所示。
通过研究，第一特征波段(380nm-405nm)为近紫外波段UVA，第二特征波段(415nm-455nm)为高能蓝光波段HEV，这两个特征波段对人体视网膜或皮肤都有害。通过上述实验例，本申请创造性的在实现白光输出的同时，降低了第一特征波段和第二特征波段的能量占比，从而减少了本发光系统对人体视网膜和皮肤的伤害。第三特征波段(465nm-495nm)对人体生物节律具有作用，该波段与太阳光谱曲线相似时，对人体生物节律调节最佳，本申请创造性的在实现白光输出的同时，对第三特征波段进行限制，使得其与太阳光谱曲线相似。而且，本申请的发光系统在色品质方面均达到比较佳的效果。
一种灯条，该灯条具有上述实施例所述的发光系统。
一种灯具，该灯具具有上述实施例所述的发光系统。
通过在灯条和灯具上设置上述实施例的发光系统，使得灯条和灯具发出对人体有益的光谱，实现健康照明。
以上对本发明的较佳实施方式进行了具体说明，但本发明创造并不限于所述实施例，熟悉本领域的技术人员在不违背本发明精神的前提下还可做出种种的等同变型或替换，这些等同的变型或替换均包含在本申请权利要求所限定的范围内。

Claims (15)

  1. 一种健康照明的发光系统，其特征在于，能够发出白色光，所述白色光的色温范围为2700K-6500K，将本发光系统的相对光谱功率设为Ф(λ)，将对应色温的太阳光谱曲线的相对光谱功率分布设有S(λ)，其中，在色温≥2700K且＜5000K时，太阳光谱曲线为对应色温的黑体辐射曲线，在色温≥5000K且≤6500K时，太阳光谱曲线为对应色温的CIE标准照明体D曲线，所述白色光具有第一特征波段，所述第一特征波段的波长区域为380nm-405nm，所述白色光具有第二特征波段，所述第二特征波段的波长区域为415nm-455nm，所述白色光具有第三特征波段，所述第三特征波段的波长区域为465nm-495nm，第一特征波段和第二特征波段满足：
    Figure PCTCN2019124921-appb-100001
    Figure PCTCN2019124921-appb-100002
    对第三特征波段进行归一化处理，满足：
    Figure PCTCN2019124921-appb-100003
    其中，Ф(λ 555)表示为波长λ在555nm时，本发光系统的相对光谱功率，S(λ 555)表示为波长λ在555nm时，太阳光谱曲线的相对光谱功率。
  2. 根据权利要求1所述的健康照明的发光系统，其特征在于，第一特征波段进一步满足：
    Figure PCTCN2019124921-appb-100004
  3. 根据权利要求1所述的健康照明的发光系统，其特征在于，第二特征波段进一步满足：
    Figure PCTCN2019124921-appb-100005
  4. 根据权利要求1所述的健康照明的发光系统，其特征在于，第三特征波段进一步满足：
    Figure PCTCN2019124921-appb-100006
  5. 根据权利要求1所述的健康照明的发光系统，其特征在于，当λ在430nm-500nm的波长区域中时，Ф(λ)和S(λ)之间的积分比例关系满足：
    Figure PCTCN2019124921-appb-100007
  6. 根据权利要求1所述的健康照明的发光系统，其特征在于，当λ在500nm-600nm的波长区域中时，Ф(λ)和S(λ)之间的积分比例关系满足：
    Figure PCTCN2019124921-appb-100008
  7. 根据权利要求1所述的健康照明的发光系统，其特征在于，当λ在600nm-700nm的波长区域中时，Ф(λ)和S(λ)之间的积分比例关系满足：
    Figure PCTCN2019124921-appb-100009
  8. 根据权利要求1至7中任一项所述的健康照明的发光系统，其特征在于，所述发光系统由发射主峰在380nm-430nm的芯片激发荧光粉发光，所述荧光粉由发射主峰在430nm-500nm、半峰宽20nm-100nm的蓝粉，发射主峰在480nm-550nm、半峰宽20nm-80nm的绿粉，发射主峰在540nm-600nm、半峰宽60nm-120nm的黄粉，以及发射主峰在600nm-700nm、半峰宽80nm-120nm的红粉组成。
  9. 根据权利要求8所述的健康照明的发光系统，其特征在于，所述蓝粉为铝酸盐、氯磷酸盐或硅酸盐；所述绿粉为氮氧化物、硅酸盐或铝酸盐；所述黄粉为铝酸盐、硅酸盐或氮化物；所述红粉为氮化物、硫化物或氟化物。
  10. 根据权利要求9所述的健康照明的发光系统，其特征在于，所述蓝粉为BaMgAl 10O 17:Eu 2+、BaAl 12O 9:Eu 2+、Sr 5(PO 4) 3Cl:Eu 2+、Ba 5(PO 4) 3Cl:Eu 2+、RbNa 3(Li 3SiO 4) 4:Eu 2+或MgSr 3Si 2O 8:Eu 2+。
  11. 根据权利要求9所述的健康照明的发光系统，其特征在于，所述绿粉为SiAlON:Eu 2+、BaSiON 2:Eu 2+、Ba 2SiO 4:Eu 2+或LuAG。
  12. 根据权利要求9所述的健康照明的发光系统，其特征在于，所述黄粉为Ga-YAG、Sr 2SiO 4:Eu 2+、(BaSr) 2SiO 4:Eu 2+或La 3Si 6N 11:Ce 3+。
  13. 根据权利要求9所述的健康照明的发光系统，其特征在于，所述红粉为CaAlSiN 3:Eu 2+、(Ca 1-xSr x)AlSiN 3:Eu 2+、Ca 2Si 5N 8:Eu 2+、Sr 2Si 5N 8:Eu 2+、Ba 2Si 5N 8:Eu 2+、CaS:Eu 2+或MgGeF 6:Mn 4+。
  14. 一种灯条，其特征在于，所述灯条具有权利要求1所述的发光系统。
  15. 一种灯具，其特征在于，所述灯具具有权利要求1所述的发光系统。
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