WO2011079474A1 - 基于紫光led的白光发光装置 - Google Patents
基于紫光led的白光发光装置 Download PDFInfo
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- WO2011079474A1 WO2011079474A1 PCT/CN2009/076373 CN2009076373W WO2011079474A1 WO 2011079474 A1 WO2011079474 A1 WO 2011079474A1 CN 2009076373 W CN2009076373 W CN 2009076373W WO 2011079474 A1 WO2011079474 A1 WO 2011079474A1
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- phosphor
- device based
- emitting device
- violet led
- light
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- 239000011521 glass Substances 0.000 claims abstract description 43
- 239000000203 mixture Substances 0.000 claims abstract description 22
- 239000004065 semiconductor Substances 0.000 claims abstract description 17
- 239000000843 powder Substances 0.000 claims abstract description 12
- 108010043121 Green Fluorescent Proteins Proteins 0.000 claims abstract 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 150
- 229910052760 oxygen Inorganic materials 0.000 claims description 24
- 239000001301 oxygen Substances 0.000 claims description 24
- 150000002500 ions Chemical class 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 11
- 230000005284 excitation Effects 0.000 claims description 9
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 8
- 150000002910 rare earth metals Chemical class 0.000 claims description 7
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical group [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 4
- 150000004767 nitrides Chemical class 0.000 claims description 4
- 239000012190 activator Substances 0.000 claims description 3
- 239000002223 garnet Substances 0.000 claims description 3
- RLMMPAFGVXFLEB-UHFFFAOYSA-N O[Si](O)(O)Cl.P Chemical group O[Si](O)(O)Cl.P RLMMPAFGVXFLEB-UHFFFAOYSA-N 0.000 claims description 2
- 125000000101 thioether group Chemical group 0.000 claims 1
- 238000009877 rendering Methods 0.000 abstract description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 8
- 239000000377 silicon dioxide Substances 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 244000172533 Viola sororia Species 0.000 description 39
- 239000000243 solution Substances 0.000 description 12
- 238000000576 coating method Methods 0.000 description 11
- 238000004020 luminiscence type Methods 0.000 description 8
- 239000005373 porous glass Substances 0.000 description 7
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 5
- 238000000695 excitation spectrum Methods 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- 239000010703 silicon Substances 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 238000000295 emission spectrum Methods 0.000 description 4
- 150000004760 silicates Chemical class 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000005132 Calcium sulfide based phosphorescent agent Substances 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 229910052693 Europium Inorganic materials 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 229910052771 Terbium Inorganic materials 0.000 description 1
- 235000005811 Viola adunca Nutrition 0.000 description 1
- 240000009038 Viola odorata Species 0.000 description 1
- 235000013487 Viola odorata Nutrition 0.000 description 1
- 235000002254 Viola papilionacea Nutrition 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- GTDCAOYDHVNFCP-UHFFFAOYSA-N chloro(trihydroxy)silane Chemical compound O[Si](O)(O)Cl GTDCAOYDHVNFCP-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000001748 luminescence spectrum Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 230000001443 photoexcitation Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- -1 rare earth-activated silicate Chemical class 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
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- 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
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C14/00—Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix
- C03C14/006—Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix the non-glass component being in the form of microcrystallites, e.g. of optically or electrically active material
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/22—Surface treatment of glass, not in the form of fibres or filaments, by coating with other inorganic material
-
- 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
-
- 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
- F21V3/00—Globes; Bowls; Cover glasses
- F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
- F21V3/10—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by coatings
- F21V3/12—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by coatings the coatings comprising photoluminescent substances
-
- 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
- F21V9/06—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for filtering out ultraviolet radiation
-
- 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
- F21V9/38—Combination of two or more photoluminescent elements of different materials
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2214/00—Nature of the non-vitreous component
- C03C2214/16—Microcrystallites, e.g. of optically or electrically active material
-
- 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
- F21V3/00—Globes; Bowls; Cover glasses
- F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
- F21V3/06—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by the material
- F21V3/061—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by the material the material being glass
-
- 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
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
-
- 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
- H01L33/507—Wavelength conversion elements the elements being in intimate contact with parts other than the semiconductor body or integrated with parts other than the semiconductor body
-
- 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 invention belongs to the technical field of illumination, and relates to a light-emitting device, in particular to a white light-emitting device based on a violet LED. Background technique
- Luminescent glass is a new type of luminescent material developed in recent years. Among them, the high siloxane luminescent glass series luminescent materials can be excited by violet light efficiently, and the luminescence spectrum covers the visible light region.
- the high siloxane luminescent glass series luminescent material is prepared by using porous glass having a SiO 2 content of more than 95 wt% (weight percent) as a matrix glass, and immersing the porous glass in a solution containing active ions (such as Eu, Ce, Tb, Cu) by solution impregnation.
- active ions such as Eu, Ce, Tb, Cu
- the technical problem to be solved by the present invention is to realize white light emission in combination with a combination of a violet LED chip and a three-primary phosphor in the prior art, but the defect of low light excitation conversion efficiency of the three primary color phosphors used provides a light conversion efficiency.
- the technical solution adopted by the present invention to solve the technical problem thereof is: a white light based on a violet LED
- the illuminating device comprises a casing, wherein the casing is provided with a supporting plate, and at least one purple LED semiconductor light source having an emission wavelength in the range of 210 nm to 410 nm is disposed on the supporting plate, and z is disposed in the casing opposite to the violet LED semiconductor light source.
- One of the formed phosphor layers is: a white light based on a violet LED
- the illuminating device comprises a casing, wherein the casing is provided with a supporting plate, and at least one purple LED semiconductor light source having an emission wavelength in the range of 210 nm to 410 n
- the high-oxygen luminescent glass plate doped with Eu ions is prepared as follows: a high-silicon porous glass having a pore size of several nanometers to several tens of nanometers and a volume of micropores of 25 to 40% of the total volume of the glass is selected.
- the high-silicon porous glass is immersed in a solution having a concentration of Eu ions of 0.005 to 0.1 M.
- the solvent may be water, ethanol, etc., and the immersed glass is taken out and dried, and then sintered at a temperature of 1050 ° C to 1200 ° C to form a dense one.
- High silica light emitting glass plate doped with Eu ions is prepared as follows: a high-silicon porous glass having a pore size of several nanometers to several tens of nanometers and a volume of micropores of 25 to 40% of the total volume of the glass is selected.
- the high-silicon porous glass is immersed in a solution having a concentration of Eu
- the Eu-doped high-oxygen luminescent glass plate has a thickness of 0.1 mm to 50 mm.
- the Eu-doped high-oxygen luminescent glass plate is a luminescent glass plate that absorbs light having a wavelength of 210 nm to 410 nm and emits blue light having a wavelength of 430 to 460 nm.
- the yellow phosphor is a material capable of absorbing blue light emitted from a high-oxygen luminescent glass plate doped with Eu ions and emitting yellow color light, and has a maximum emission peak position of 530 nm to 590 nm.
- the yellow fluorescent powder is preferably one or both of a silicate phosphor having a broad band excitation or a rare earth garnet system phosphor having Ce as an activator.
- YAG Ce system phosphor (such as Dalian Luming Luminescence Technology Co., Ltd. product number LMY-60-C material), silicate system phosphor (such as Dalian Luming Luminescence Technology Co., Ltd. commodity number LMS-550 Material), nitride system phosphor (such as Beijing Zhongcun Yuji Technology Co., Ltd. product number ZYP560);
- the green phosphor is a material capable of absorbing light emitted by a high-oxygen luminescent glass plate doped with Eu ions and emitting green color.
- the maximum emission peak position of the green phosphor is 490 nm to 525 nm, and the green phosphor Preference is given to chlorosilicate phosphors or Ca 3 Sc 2 Si 3 0 12 : Ce green luminescent materials.
- a chlorosilicate phosphor satisfying Ca 8 + y Eu x Mn y Mg (Si0 4 ) 4 C1 2 , a Ca 3 Sc 2 Si 3 0 12 : Ce phosphor, or the like.
- the red phosphor is a material capable of absorbing red light emitted from a high-oxygen luminescent glass plate doped with Eu ions and emitting red color light, and the red phosphor is a vulcanization having a maximum emission peak position of 595 nm to 680 nm.
- the sulfide phosphors are selected such as CaS:Eu, SrS:Eu, etc., and the nitride phosphors are selected as the luminescent materials of Beijing Zhongcun Yuji Technology Co., Ltd., product number ZYP630.
- the weight ratio of the yellow phosphor to the red phosphor is 1:0.1-1:1.
- the weight ratio of the green phosphor to the red phosphor is 1:0.1 to 1:1.
- the invention adopts at least one violet LED semiconductor light source with an emission wavelength in the range of 210 nm to 410 nm on the support plate, and the violet LED semiconductor light source emits ultraviolet light and is irradiated on the high silicon oxide light-emitting glass plate doped with Eu ions, doped.
- the high-oxygen luminescent glass of Eu ion efficiently converts the ultraviolet light in the range of 210 nm to 410 nm emitted by the violet LED into a strong blue light with an illuminating peak of about 450 nm, by adjusting the doping concentration of Eu in the high-oxygen luminescent glass and the glass.
- the thickness is used to control the absorption of ultraviolet light and the intensity of blue light, and then the blue light re-energizes a mixture of a yellow phosphor and a red phosphor suitable for 450 nm excitation, a green phosphor and a red phosphor, which are disposed on a high siloxane glass plate.
- One kind of luminescence in the mixture and the yellow phosphor, and the light emitted by the blue light and the phosphor combine to form white light of different color temperature and different color rendering index, thereby realizing white light with high color rendering coefficient.
- Figure 3 is a graph of excitation and emission spectra of yellow phosphor LMS-550. detailed description
- the preparation method of Eu-doped high-oxygen luminescent glass is as follows:
- the Eu ion-containing raw material is made into an aqueous solution containing Eu ions, a nitric acid solution, a sulfuric acid solution, an ethanol solution or an acetone solution, and a high silica porous glass having a SiO 2 content of more than 95% by weight is immersed in the solution, wherein Eu The concentration of ions is 0.005 ⁇ 0.1M.
- high-silicon porous glass can be immersed in different concentrations of Eu ion solution to make high-oxygen oxygen with different Eu ion content.
- Light-emitting glass to control the absorption of ultraviolet light and the intensity of blue light.
- FIG. 1 shows the excitation and emission spectra of high-oxygen luminescent glass doped with Eu ions. It can be seen from the figure that the glass strongly absorbs light from 240 nm to 410 m and achieves strong blue light emission around 450 nm.
- the yellow, green, and red phosphors suitable for excitation at 450 nm used in the examples of the present invention can be directly used by commercially available commercials.
- Embodiment 1 as shown in FIG. 2, a white light emitting device based on a violet LED, comprising a casing 3, a support plate 2 is disposed in the casing 3, and at least one emission wavelength is set in the range of 210 nm to 410 nm on the support plate 2.
- the purple LED semiconductor light source 1 is provided with four violet LED semiconductor light sources 1 in the present embodiment, and the shell 1 is also provided with high-oxygen oxyluminescence doped with Eu ions opposite to the violet LED semiconductor light source 1.
- the glass plate 4, the violet LED semiconductor light source 1 and the Eu-doped high-oxygen luminescent glass plate 4 are spaced apart, and the high-oxygen luminescent glass plate facing away from the violet LED semiconductor light source is provided with a yellow phosphor and a red fluorescent light.
- the phosphor layer 5 is formed by dispersing the above-mentioned phosphor in a transparent epoxy resin or directly coating the surface of the high siloxane glass plate 4 by spin coating or spraying.
- Embodiment 2 a white light emitting device based on a violet LED, wherein the yellow phosphor in the phosphor layer 5 is a silicate phosphor having a broad band excitation.
- Dalian Luming Luminescence Technology Co., Ltd. is used.
- a series of rare earth-activated silicate phosphors (product number LMS-550), the structure of the apparatus of the present embodiment, the selection of the violet LED, and the coating method of the phosphor are the same as those in the first embodiment, and are not described herein again.
- the excitation and emission spectra of the yellow phosphor LMS-550 are shown in Fig. 3. From the excitation spectrum, it can be seen that the LMS-550 phosphor can efficiently absorb blue-violet light from about 300 nm to 460 nm and emit yellow light of about 550 nm. In the present device, most of the 365 nm violet light emitted by the violet LED is absorbed by the Eu-doped high-oxygen luminescent glass plate 4, and emits 442 nm of blue light, and the Eu-doped high-oxygen luminescent glass plate 4 emits blue light. Further, the LMS-550 phosphor coated on the outside of the high siloxane glass plate 4 is partially absorbed to emit yellow light, and the remaining blue light and the emitted yellow light are combined to form white light.
- Embodiment 3 a white light emitting device based on a violet LED, wherein the yellow phosphor selected from the phosphor layer 5 is a rare earth garnet phosphor of Ce as an activator, and the embodiment selects Dalian Luming Lighting Technology Co., Ltd. , Phosphor of product number LMY-60-C.
- the structure of the device, the selection of the violet LED, and the coating method of the phosphor are the same as those in the first embodiment, and are not described herein again.
- Embodiment 4 a white light emitting device based on a violet LED, wherein a mixture of a yellow phosphor and a red phosphor in the phosphor layer 5 increases the color rendering property of the white light emitting device, the yellow phosphor and the red phosphor
- the weight ratio is 1: 0.4, of which the yellow phosphor is selected from Dalian Luming Lighting Technology Co., Ltd. LMS series rare earth activated silicate phosphor (commodity number LMS-550), red phosphor used Beijing Zhongcun Yuji Technology Co., Ltd. ZYP650H red phosphor.
- the structure of the device, the selection of the violet LED, and the coating method of the phosphor are the same as those in the first embodiment, and are not described herein again.
- Embodiment 5 a white light emitting device based on a violet LED, wherein a mixture of a green phosphor and a red phosphor in the phosphor layer 5 increases the color rendering property of the white light emitting device, the green phosphor and the red phosphor
- the weight ratio is 1: 0.6 green phosphor is selected from Dalian Luming Luminescence Technology Co., Ltd. LMS series rare earth activated silicate phosphor (commodity number LMS-520), red phosphor is selected from Beijing Zhongcun Yuji Technology Co., Ltd. ZYP650H red fluorescence powder.
- the structure of the device, the selection of the violet LED, and the coating method of the phosphor are the same as those in the first embodiment, and are not described herein again.
- Embodiment 6 a white light emitting device based on a violet LED, wherein a mixture of a green phosphor and a red phosphor in the phosphor layer 5 increases the color rendering property of the white light emitting device, the green phosphor and the red phosphor
- the weight ratio is 1:0.5
- the green phosphor is Ca 8 _ x _ y Eu x Mn y M g (Si0 4 ) 4 Cl 2
- the red phosphor is selected from Beijing Zhongcun Yuji Technology Co., Ltd. ZYP650H red phosphor, device
- the structure, the selection of the violet LED, and the coating method of the phosphor are the same as those in the first embodiment, and are not described herein again.
- Embodiment 7 a white light emitting device based on a violet LED, wherein a mixture of a green phosphor and a red phosphor in the phosphor layer 5 increases the color rendering property of the white light emitting device, the green phosphor and the red phosphor
- the weight ratio is 1:0.2
- the green phosphor is Ca 3 Sc 2 Si 3 0 12: Ce
- the red phosphor is CaS : Eu
- the structure of the device the choice of violet LED and the coating method of the phosphor are the same as in the first embodiment. I will not repeat them here.
- Embodiment 8 is a white light emitting device based on a violet LED, wherein a mixture of a green phosphor and a red phosphor in the phosphor layer 5 increases the color rendering property of the white light emitting device, the green phosphor and the red phosphor.
- the weight ratio is 1: 0.1
- the green phosphor is Ca 3 Sc 2 Si 3 0 12: Ce
- the red phosphor is SrS: Eu.
- the structure of the device, the choice of violet LED and the coating method of the phosphor are the same. Example 1, no further description here.
- Embodiment 9 a white light emitting device based on a violet LED, wherein a mixture of a green phosphor and a red phosphor in the phosphor layer 5 increases the color rendering property of the white light emitting device, the green phosphor and the red phosphor
- the weight ratio is 1:1, the green phosphor is Ca 3 Sc 2 Si 3 0 12 : Ce, the red phosphor is CaS : Eu, the structure of the device, the choice of violet LED and the coating method of the phosphor are the same as in the first embodiment. I will not repeat them here.
- Embodiment 10 a white light emitting device based on a violet LED, wherein a mixture of a yellow phosphor and a red phosphor in the phosphor layer 5 increases the color rendering property of the white light emitting device, the yellow phosphor and the red phosphor
- the weight ratio is 1: 0.1, among which the yellow phosphor is selected from Dalian Luming Luminescence Technology Co., Ltd. LMS series rare earth activated silicate phosphor (product number LMS-560), and the red phosphor is selected from Beijing Zhongcun Yuji Technology Co., Ltd. ZYP630H Red phosphor.
- the structure of the device, the selection of the violet LED, and the coating method of the phosphor are the same as those in the first embodiment, and are not described herein again.
- Embodiment 11 a white light emitting device based on a violet LED, wherein a mixture of a yellow phosphor and a red phosphor in the phosphor layer 5 increases the color rendering property of the white light emitting device, the yellow phosphor and the red phosphor
- the weight ratio is 1:1, among which the yellow phosphor is selected from Dalian Luming Luminescence Technology Co., Ltd. LMS series rare earth activated silicate phosphor (product number LMS-555), and the red phosphor is selected from Beijing Zhongcun Yuji Technology Co., Ltd. ZYP650 Red phosphor.
- the structure of the device, the selection of the violet LED, and the coating method of the phosphor are the same as those in the first embodiment, and will not be described herein.
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Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012546305A JP2013516075A (ja) | 2009-12-31 | 2009-12-31 | 紫色ledを用いた白色発光装置 |
US13/514,959 US20130001444A1 (en) | 2009-12-31 | 2009-12-31 | White light luminescent device based on purple light leds |
PCT/CN2009/076373 WO2011079474A1 (zh) | 2009-12-31 | 2009-12-31 | 基于紫光led的白光发光装置 |
CN200980161531.6A CN102687266B (zh) | 2009-12-31 | 2009-12-31 | 基于紫光led的白光发光装置 |
EP09852759.1A EP2521169B1 (en) | 2009-12-31 | 2009-12-31 | White light luminescent device based on purple light leds |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2009/076373 WO2011079474A1 (zh) | 2009-12-31 | 2009-12-31 | 基于紫光led的白光发光装置 |
Publications (1)
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WO2011079474A1 true WO2011079474A1 (zh) | 2011-07-07 |
Family
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Family Applications (1)
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PCT/CN2009/076373 WO2011079474A1 (zh) | 2009-12-31 | 2009-12-31 | 基于紫光led的白光发光装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20130001444A1 (zh) |
EP (1) | EP2521169B1 (zh) |
JP (1) | JP2013516075A (zh) |
CN (1) | CN102687266B (zh) |
WO (1) | WO2011079474A1 (zh) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8529791B2 (en) | 2006-10-20 | 2013-09-10 | Intematix Corporation | Green-emitting, garnet-based phosphors in general and backlighting applications |
US8475683B2 (en) | 2006-10-20 | 2013-07-02 | Intematix Corporation | Yellow-green to yellow-emitting phosphors based on halogenated-aluminates |
US9120975B2 (en) | 2006-10-20 | 2015-09-01 | Intematix Corporation | Yellow-green to yellow-emitting phosphors based on terbium-containing aluminates |
US8133461B2 (en) | 2006-10-20 | 2012-03-13 | Intematix Corporation | Nano-YAG:Ce phosphor compositions and their methods of preparation |
EP2938699A4 (en) * | 2012-12-28 | 2016-08-24 | Intematix Corp | YELLOW GREEN TO YELLOW FLUORES BASED ON TERBIO-CONTAINING ALUMINUM |
EP3064039B1 (en) * | 2013-10-28 | 2020-05-13 | GE Lighting Solutions, LLC | Lamps for enhanced optical brightening and color preference |
KR102122359B1 (ko) | 2013-12-10 | 2020-06-12 | 삼성전자주식회사 | 발광장치 제조방법 |
US9296614B1 (en) * | 2014-11-12 | 2016-03-29 | Corning Incorporated | Substrate such as for use with carbon nanotubes |
US9401468B2 (en) | 2014-12-24 | 2016-07-26 | GE Lighting Solutions, LLC | Lamp with LED chips cooled by a phase transformation loop |
CN112602490B (zh) * | 2020-12-31 | 2022-11-01 | 陕西电子信息集团光电科技有限公司 | 一种适用于无花果生长的led植物照明补光系统 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2292303Y (zh) * | 1997-05-23 | 1998-09-23 | 卢进军 | 荧光鉴伪卡 |
US6255670B1 (en) * | 1998-02-06 | 2001-07-03 | General Electric Company | Phosphors for light generation from light emitting semiconductors |
CN2486834Y (zh) * | 2001-07-18 | 2002-04-17 | 黄建豪 | 发光二极管灯具的改良 |
CN1547266A (zh) * | 2003-12-11 | 2004-11-17 | 南亚塑胶工业股份有限公司 | 以二次激光方式产生白光光源的方法及其白光发光组件 |
CN1752041A (zh) * | 2005-07-20 | 2006-03-29 | 中国科学院上海光学精密机械研究所 | 高硅氧发兰光玻璃的制造方法 |
CN101169235A (zh) * | 2007-09-05 | 2008-04-30 | 昌鑫光电(东莞)有限公司 | 结构改良的白光发光二极管 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3645422B2 (ja) * | 1998-07-14 | 2005-05-11 | 東芝電子エンジニアリング株式会社 | 発光装置 |
JP4949546B2 (ja) * | 2000-03-27 | 2012-06-13 | 岩崎電気株式会社 | 青色発光及び可視発光ゾルゲルガラス |
JP2003124526A (ja) * | 2001-10-11 | 2003-04-25 | Taiwan Lite On Electronics Inc | 白色光光源製造方法 |
US7059927B2 (en) * | 2002-08-19 | 2006-06-13 | Lite On Technology Corporation | Method for manufacturing white light source |
US20050218780A1 (en) * | 2002-09-09 | 2005-10-06 | Hsing Chen | Method for manufacturing a triple wavelengths white LED |
JP2004127988A (ja) * | 2002-09-30 | 2004-04-22 | Toyoda Gosei Co Ltd | 白色発光装置 |
JP3716413B2 (ja) * | 2003-06-13 | 2005-11-16 | 三井金属鉱業株式会社 | 電子部品実装用フィルムキャリアテープの検査装置および検査方法 |
TW200512949A (en) * | 2003-09-17 | 2005-04-01 | Nanya Plastics Corp | A method to provide emission of white color light by the principle of secondary excitation and its product |
JP4546176B2 (ja) * | 2004-07-16 | 2010-09-15 | 京セラ株式会社 | 発光装置 |
US7267787B2 (en) * | 2004-08-04 | 2007-09-11 | Intematix Corporation | Phosphor systems for a white light emitting diode (LED) |
US7356054B2 (en) * | 2004-12-17 | 2008-04-08 | Nichia Corporation | Light emitting device |
EP1830415B1 (en) * | 2004-12-24 | 2017-01-25 | Kabushiki Kaisha Toshiba | White led, backlight using same and liquid crystal display |
JP2007047274A (ja) * | 2005-08-08 | 2007-02-22 | Displaytech 21:Kk | 表示デバイス |
US20070104861A1 (en) * | 2005-11-09 | 2007-05-10 | Hsing Chen | White light LED production method |
JP2008115223A (ja) * | 2006-11-01 | 2008-05-22 | Nec Lighting Ltd | 蛍光体含有ガラスシート、その製造方法及び発光装置 |
DE102006054331A1 (de) * | 2006-11-17 | 2008-05-21 | Merck Patent Gmbh | Leuchtstoffkörper basierend auf plättchenförmigen Substraten |
JP4613947B2 (ja) * | 2007-12-07 | 2011-01-19 | ソニー株式会社 | 照明装置、色変換素子及び表示装置 |
-
2009
- 2009-12-31 US US13/514,959 patent/US20130001444A1/en not_active Abandoned
- 2009-12-31 CN CN200980161531.6A patent/CN102687266B/zh not_active Expired - Fee Related
- 2009-12-31 JP JP2012546305A patent/JP2013516075A/ja active Pending
- 2009-12-31 WO PCT/CN2009/076373 patent/WO2011079474A1/zh active Application Filing
- 2009-12-31 EP EP09852759.1A patent/EP2521169B1/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2292303Y (zh) * | 1997-05-23 | 1998-09-23 | 卢进军 | 荧光鉴伪卡 |
US6255670B1 (en) * | 1998-02-06 | 2001-07-03 | General Electric Company | Phosphors for light generation from light emitting semiconductors |
CN2486834Y (zh) * | 2001-07-18 | 2002-04-17 | 黄建豪 | 发光二极管灯具的改良 |
CN1547266A (zh) * | 2003-12-11 | 2004-11-17 | 南亚塑胶工业股份有限公司 | 以二次激光方式产生白光光源的方法及其白光发光组件 |
CN1752041A (zh) * | 2005-07-20 | 2006-03-29 | 中国科学院上海光学精密机械研究所 | 高硅氧发兰光玻璃的制造方法 |
CN101169235A (zh) * | 2007-09-05 | 2008-04-30 | 昌鑫光电(东莞)有限公司 | 结构改良的白光发光二极管 |
Non-Patent Citations (2)
Title |
---|
LIU, JI ET AL.: "Progress in Research on White Light Emitting Diode and its Phosphors.", MATERIALS REVIEW., vol. 21, no. 8, August 2007 (2007-08-01), pages 116 - 120 * |
See also references of EP2521169A4 * |
Also Published As
Publication number | Publication date |
---|---|
US20130001444A1 (en) | 2013-01-03 |
EP2521169A4 (en) | 2013-08-07 |
CN102687266A (zh) | 2012-09-19 |
EP2521169B1 (en) | 2015-05-13 |
JP2013516075A (ja) | 2013-05-09 |
EP2521169A1 (en) | 2012-11-07 |
CN102687266B (zh) | 2015-11-25 |
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