CN116083082A - Ultra-high color development fluorescent powder composition and full-spectrum LED device - Google Patents
Ultra-high color development fluorescent powder composition and full-spectrum LED device Download PDFInfo
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- 238000009877 rendering Methods 0.000 claims abstract description 42
- 108010043121 Green Fluorescent Proteins Proteins 0.000 claims abstract description 11
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 54
- 239000000126 substance Substances 0.000 claims description 37
- 102100032047 Alsin Human genes 0.000 claims description 16
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- 239000003292 glue Substances 0.000 claims description 12
- 238000004020 luminiscence type Methods 0.000 claims description 10
- 229910004283 SiO 4 Inorganic materials 0.000 claims description 8
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- 239000000463 material Substances 0.000 abstract description 2
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- 238000001748 luminescence spectrum Methods 0.000 description 7
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- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier 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 with at least one potential-jump barrier or surface barrier 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
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Abstract
The invention relates to an ultra-high color rendering fluorescent powder composition and a full spectrum LED device, and belongs to the technical field of fluorescent powder materials. The ultra-high color development fluorescent powder composition comprises the following components in percentage by mass: 5-35% of blue-green fluorescent powder; 0-45% of green fluorescent powder; 25-70% of yellow fluorescent powder; 3-21% of red fluorescent powder. The invention adopts the fluorescent powder with specific luminescent color to match, the obtained fluorescent powder composition can reach higher color rendering index on the basis of realizing full spectrum, can meet the requirements of Ra & gt99 and R1-R15 & gt95, and can be applied in the environment with extremely harsh color rendering index requirements.
Description
Technical Field
The invention relates to an ultra-high color rendering fluorescent powder composition and a full spectrum LED device, and belongs to the technical field of fluorescent powder materials.
Background
The LED is used as a new generation of green illumination light source, has the advantages of high luminous efficiency, energy conservation, environmental protection, long service life, no toxicity, environmental protection and the like, and is widely applied to the fields of illumination, backlight display and the like. Along with the improvement of living standard, the requirements of people on the light quality of the LED light source are higher and higher, especially for special application scenes such as art and photography with higher requirements on the color reduction degree, and higher requirements are put forward on the high color rendering index and full spectrum of the light source.
However, in the prior art, the LED device is difficult to simultaneously have high color rendering and full spectrum, most fluorescent powder collocation schemes, the color rendering index after the blue light chip is excited can only just meet Ra & gt 97, R1-R15 & gt 90, but the optimum level is not achieved, and the use requirements of the special field with higher requirements on the color parameters cannot be met.
Technical content
The first object of the present invention is to provide an ultra-high color rendering phosphor composition having the advantages of high color rendering index and full spectrum.
The second object of the invention is to provide a full spectrum LED device which can meet the requirements of high color rendering index and full spectrum.
The ultra-high color development fluorescent powder composition adopts the following scheme:
the ultra-high color development fluorescent powder composition comprises the following components in percentage by mass: 5-35% of blue-green fluorescent powder; 0-45% of green fluorescent powder; 25-70% of yellow fluorescent powder; 3-21% of red fluorescent powder; the light-emitting peak range of the blue-green fluorescent powder is 480-500 nm; the light-emitting peak range of the green fluorescent powder is 500-520 nm; the luminescence peak value range of the yellow fluorescent powder is 520-570 nm; the light-emitting peak range of the red fluorescent powder is 600-680 nm. The invention adopts the fluorescent powder with specific luminescent color to match, the obtained fluorescent powder composition can reach higher color rendering index on the basis of realizing full spectrum, can meet the requirements of Ra & gt99 and R1-R15 & gt95, and can be applied in the environment with extremely harsh color rendering index requirements.
Preferably, the blue-green fluorescent powder is 5-12% by mass, the green fluorescent powder is 20-45% by mass, the yellow fluorescent powder is 30-45% by mass, and the red fluorescent powder is 3-10% by mass.
Preferably, the blue-green fluorescent powder is 15-30% by mass, the green fluorescent powder is 0% by mass, the yellow fluorescent powder is 35-70% by mass, and the red fluorescent powder is 5-21% by mass.
Preferably, the excitation light source of the ultra-high color development fluorescent powder composition is selected from a blue light chip combination with three peak wavelength ranges of 430-440 nm, 445-455 nm and 460-470 nm or a blue light chip combination with two peak wavelength ranges of 430-455 nm and 450-465 nm. The two blue light chip combinations can fully excite the fluorescent powder composition, the whole spectrum is uniformly distributed, and the prepared light source has the advantages of high color rendering index and full spectrum.
Preferably, the blue-green fluorescent powder is selected from at least one of substances shown in chemical formula I,
X 1-x Si 2 O 2 N 2 ：xEu 2+ the chemical formula I is shown in the specification,
in the chemical formula I, X is at least one of Ba, ca and Sr, and the value range of X is more than or equal to 0.001 and less than or equal to 0.5. Preferably, the green phosphor is selected from at least one of substances having the formula II,
Y 2-y SiO 4 :yEu 2+ the chemical formula II is shown in the specification,
in the chemical formula II, Y is at least one of Ba and Sr, and the value range of Y is more than or equal to 0.001 and less than or equal to 0.5. Preferably, the yellow phosphor is selected from at least one of the substances represented by formula III,
Z 3-z Al 5 O 12 :zCe 3+ the chemical formula III is shown in the specification,
in the chemical formula III, Z is at least one of Y, lu and Ga, and the value range of Z is more than or equal to 0.001 and less than or equal to 0.5. Preferably, the red phosphor is selected from at least one of substances having a chemical formula IV,
M 1-m AlSiN 3 :mEu 2+ the chemical formula IV of the compound of formula IV,
in the chemical formula IV, M is at least one of Sr and Ca, and the value range of M is more than or equal to 0.001 and less than or equal to 0.5.
Preferably, the color rendering index of the ultra-high color rendering phosphor composition ranges from Ra > 99, R1 to R15 > 95.
Further, the color rendering index range of the ultra-high color rendering fluorescent powder composition is 99.3-99.6 and 95.8-99.9 of R1-R15.
Preferably, the color temperature of the ultra-high color-development fluorescent powder composition is 2500-7000K.
Further, the color temperature of the ultra-high color development fluorescent powder composition is 3042-5037K.
The invention relates to a full spectrum LED device, which adopts the following technical scheme:
a full spectrum LED device comprises an LED excitation chip, a fluorescent powder composition and LED packaging glue, wherein the fluorescent powder composition is any one of the super-high color development fluorescent powder compositions. The full-spectrum LED device prepared by adopting the fluorescent powder composition obtained by matching the fluorescent powder with specific luminescent color has the advantage of ultrahigh color rendering index, can meet the requirements of Ra & gt 99 and R1-R15 & gt 95, and is suitable for being used as a light source in an environment with extremely severe color rendering index requirements; in addition, by combining and collocating two blue light chips with different peak wavelength ranges, the fluorescent powder can be fully excited, the whole spectrum is uniformly distributed, and the prepared light source has the advantages of high color rendering index and full spectrum.
Preferably, the mass ratio of the fluorescent powder composition to the LED packaging glue is 1: (2.5-4).
In the present application, the content of the fluorescent powder is expressed as a to b, and the meaning is equal to or more than a and equal to or less than b.
Drawings
Fig. 1 is a schematic structural diagram of a full spectrum LED device according to an embodiment of the present invention;
FIG. 2 is a graph showing the luminescence spectrum of the full spectrum LED device of embodiment 7 of the present invention;
FIG. 3 is a graph showing the luminescence spectrum of the full spectrum LED device of embodiment 8 of the present invention;
FIG. 4 is a graph showing the luminescence spectrum of the full spectrum LED device of embodiment 9 of the present invention;
FIG. 5 is a diagram showing the luminescence spectrum of the full spectrum LED device according to embodiment 10 of the present invention;
FIG. 6 is a graph showing the luminescence spectrum of the full spectrum LED device of embodiment 11 of the present invention;
FIG. 7 is a diagram showing the luminescence spectrum of the full spectrum LED device of embodiment 12 of the present invention;
FIG. 8 is a graph showing the luminescence spectrum of the full spectrum LED device of comparative example 1 of the present invention;
in the figure: 1. a mixture of phosphor composition and LED package glue; 2. an LED bracket; 3. an LED excitation chip; 4. and bonding the gold wire.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Because the LED light source in the prior art cannot meet the requirements of high color rendering index and full spectrum at the same time, in order to solve the problem, the invention provides an ultra-high color rendering fluorescent powder composition and a full spectrum LED device comprising the high color rendering fluorescent powder, and the combination of the fluorescent powder formulas can achieve the effect of high color rendering index and full spectrum.
The ultra-high color development fluorescent powder composition comprises the following components in percentage by mass: 5-35% of blue-green fluorescent powder; 0-45% of green fluorescent powder; 25-70% of yellow fluorescent powder; 3-21% of red fluorescent powder; the light-emitting peak range of the blue-green fluorescent powder is 480-500 nm; the light-emitting peak range of the green fluorescent powder is 500-520 nm; the luminescence peak value range of the yellow fluorescent powder is 520-570 nm; the light-emitting peak range of the red fluorescent powder is 600-680 nm.
In some specific embodiments, the yellow phosphor has a luminescence peak in the range of 540 to 570nm; the light-emitting peak range of the red fluorescent powder is 640-660 nm.
In some specific embodiments, the ultra-high color rendering phosphor composition comprises the following components in percentage by mass: 9-11% of blue-green fluorescent powder; 40-41% of green fluorescent powder; 39 to 42 percent of yellow fluorescent powder; 9-11% of red fluorescent powder or 15-28% of blue-green fluorescent powder; green phosphor 0%; 59-64% of yellow fluorescent powder; 13-21% of red fluorescent powder.
In some specific embodiments, the blue-green phosphor is selected from at least one of the substances of formula I: x is X 1-x Si 2 O 2 N 2 ：xEu 2+ In the chemical formula I, X is at least one of Ba, ca and Sr, and the value range of X is more than or equal to 0.001 and less than or equal to 0.5.
In some specific embodiments, the blue-green phosphor is selected from Ca 0.99 Si 2 O 2 N 2 :0.01Eu 2+ And/or (Ca, sr) 0.98 Si 2 O 2 N 2 :0.02Eu 2+ 。
In some specific embodiments, the green phosphor is selected from at least one of the substances having formula II: y is Y 2-y SiO 4 :yEu 2+ In the chemical formula II, Y is at least one of Ba and Sr, and the value range of Y is more than or equal to 0.001 and less than or equal to 0.5.
In some specific embodiments, the green phosphor is Sr 1.96 SiO 4 :0.04Eu 2+ 。
In some specific embodiments, the yellow phosphor is selected from at least one of the substances of formula III: z is Z 3-z Al 5 O 12 :zCe 3+ In the chemical formula III, Z is at least one of Y, lu and Ga, and the value range of Z is more than or equal to 0.001 and less than or equal to 0.5.
In some specific embodiments, the yellow phosphor is selected from Lu 2.98 Al 5 O 12 :0.02Ce 3+ 、Y 2.995 Al 5 O 12 :0.005Ce 3+ 、(Y，Ga) 2.98 Al 5 O 12 :0.02Ce 3+ At least one of them.
In some specific embodiments, the red phosphor is selected from at least one of the substances represented by formula IV: m is M 1-m AlSiN 3 :mEu 2+ In the chemical formula IV, M is at least one selected from Sr and Ca, and the value range of M is more than or equal to 0.001 and less than or equal to 0.5.
In some embodiments, the red phosphor is (Sr, ca) 0.98 AlSiN 3 :0.02Eu 2+ 。
In some specific embodiments, the ultra-high color rendering phosphor composition comprises the following components in percentage by mass: ca (Ca) 1-x Si 2 O 2 N 2 :xEu 2+ 5～15％，Sr 2-y SiO 4 :yEu 2+ 30～45％，Lu 3-z Al 5 O 12 :zCe 3+ 30～45％，(Sr,Ca) 1-m AlSiN 3 :mEu 2+ 5～15％。
In some specific embodiments, the ultra-high color rendering phosphor composition comprises the following components in percentage by mass: ca (Ca) 1-x Si 2 O 2 N 2 :xEu 2+ 5～15％，Sr 2-y SiO 4 :yEu 2+ 20～45％，(Y，Ga) 3-z Al 5 O 12 :zCe 3+ 35～50％，(Sr,Ca) 1-m AlSiN 3 :mEu 2+ 3～15％。
In some specific embodiments, the ultra-high color rendering phosphor composition comprises the following components in percentage by mass: (Ca, sr) 1-x Si 2 O 2 N 2 :xEu 2+ 15～35％，Lu 2.98 Al 5 O 12 :0.02Ce 3+ 40～65％，(Sr,Ca) 1-m AlSiN 3 :mEu 2+ 5～15％。
In some specific embodiments, the ultra-high color rendering phosphor composition comprises the following components in percentage by mass: (Ca, sr) 1-x Si 2 O 2 N 2 :xEu 2+ 15～30％，Lu 3-z Al 5 O 12 :zCe 3+ 50～70％，(Ca,Sr) 1-m AlSiN 3 :mEu 2+ 5～15％。
In some specific embodiments, the ultra-high color rendering phosphor composition comprises the following components in percentage by mass: (Ca, sr) 1-x Si 2 O 2 N 2 :xEu 2+ 15～25％，(Y,Ga) 3-z Al 5 O 12 :zCe 3+ 20～35％，Lu 3-z Al 5 O 12 :zCe 3+ 25～40％，(Sr,Ca) 1-m AlSiN 3 :mEu 2+ 5～15％。
The full spectrum LED device comprises an LED excitation chip, a fluorescent powder composition and LED packaging glue, wherein the fluorescent powder composition is any one of the super-high color development fluorescent powder compositions.
In some embodiments, the full spectrum LED device is made by a preparation method comprising the steps of: the LED excitation chip is fixed in the LED bracket bowl cup, and the anode and the cathode of the chip are respectively connected with the anode and the cathode of the bracket bowl cup through gold wire bonding; and uniformly mixing the fluorescent powder composition with LED packaging glue to obtain fluorescent glue, and uniformly filling the fluorescent glue in a bracket bowl cup fixed with an LED excitation chip to obtain the full-spectrum LED device.
Examples
The following description of the embodiments of the present invention will be made with reference to specific examples, wherein the raw materials used in the examples are all from common commercial products and the equipment or apparatus used are all from conventional commercial sources.
Example 1
The embodiment provides an ultra-high color development fluorescent powder composition, which comprises the following components in percentage by mass: blue-green fluorescent powder Ca with light-emitting peak wavelength of 480-500 nm 0.99 Si 2 O 2 N 2 :0.01Eu 2+ 11%, green phosphor Sr with luminous peak wavelength of 500-520 nm 1.96 SiO 4 :0.04Eu 2+ 41% of yellow fluorescence with a luminescence peak wavelength of 540-570 nmPowder Y 2995 Al 5 O 12 :0.005Ce 3+ 39, red phosphor (Sr, ca) with luminous peak wavelength of 640-660 nm 0.98 AlSiN 3 :0.02Eu 2+ 9％。
Example 2
The embodiment provides an ultra-high color development fluorescent powder composition, which comprises the following components in percentage by mass: blue-green fluorescent powder Ca with light-emitting peak wavelength of 480-500 nm 0.99 Si 2 O 2 N 2 :0.01Eu 2+ 9% of green fluorescent powder Sr with luminous peak wavelength of 500-520 nm 1.96 SiO 4 :0.04Eu 2+ 40%, yellow fluorescent powder (Y, ga) with luminous peak wavelength of 540-570 nm 2.98 Al 5 O 12 :0.02Ce 3+ 42, red fluorescent powder (Sr, ca) with luminous peak wavelength of 640-660 nm 0.98 AlSiN 3 :0.02Eu 2+ 9％。
Example 3
The embodiment provides an ultra-high color development fluorescent powder composition, which comprises the following components in percentage by mass: blue-green fluorescent powder (Ca, sr) with light-emitting peak wavelength of 480-500 nm 0.98 Si 2 O 2 N 2 :0.02Eu 2+ 28 percent of yellow fluorescent powder Lu with the luminescence peak wavelength of 540 to 570nm 2.98 Al 5 O 12 :0.02Ce 3+ 59% red phosphor (Sr, ca) with luminous peak wavelength of 640-660 nm 0.98 AlSiN 3 :0.02Eu 2+ 13％。
Example 4
The embodiment provides an ultra-high color development fluorescent powder composition, which comprises the following components in percentage by mass: blue-green fluorescent powder (Ca, sr) with light-emitting peak wavelength of 480-500 nm 0.98 Si 2 O 2 N 2 :0.02Eu 2+ 26% of yellow fluorescent powder Lu with light-emitting peak wavelength of 540-570 nm 2.98 Al 5 O 12 :0.02Ce 3+ 61%, red phosphor (Sr, ca) with luminous peak wavelength of 640-660 nm 0.98 AlSiN 3 :0.02Eu 2+ 13％。
Example 5
The embodiment provides an ultra-high color development fluorescent powder composition, which comprises the following components in percentage by mass: blue-green fluorescent powder (Ca, sr) with light-emitting peak wavelength of 480-500 nm 0.98 Si 2 O 2 N 2 :0.02Eu 2+ 23, yellow fluorescent powder (Y, ga) with luminescence peak wavelength of 540-570 nm 2.98 Al 5 O 12 :0.02Ce 3+ 28 percent of yellow fluorescent powder Lu with the luminescence peak wavelength of 540 to 570nm 2.98 Al 5 O 12 :0.02Ce 3+ 35, red fluorescent powder (Sr, ca) with luminous peak wavelength of 640-660 nm 0.98 AlSiN 3 :0.02Eu 2+ 14％。
Example 6
The embodiment provides an ultra-high color development fluorescent powder composition, which comprises the following components in percentage by mass: blue-green fluorescent powder (Ca, sr) with light-emitting peak wavelength of 480-500 nm 0.98 Si 2 O 2 N 2 :0.02Eu 2+ 15% of yellow fluorescent powder Lu with light-emitting peak wavelength of 540-570 nm 2.98 Al 5 O 12 :0.02Ce 3+ 64% red phosphor (Sr, ca) with luminous peak wavelength of 640-660 nm 0.98 AlSiN 3 :0.02Eu 2+ 21％。
Example 7
Example 7 provides a full spectrum LED device containing the ultra-high color rendering phosphor composition of example 1, made by a preparation process comprising the steps of: three kinds of LED excitation chips with peak wavelength ranges of 430-440 nm, 445-455 nm and 460-470 nm are selected. The LED excitation chip is fixed in the bracket bowl cup, and the anode and the cathode of the chip are respectively connected with the anode and the cathode of the bracket bowl cup through gold wire bonding; the fluorescent powder composition of the embodiment 1 and the LED packaging glue are mixed according to the mass ratio of 1: and 3.2, uniformly mixing to obtain fluorescent glue, and uniformly filling the fluorescent glue into a bracket bowl cup fixed with an LED excitation chip to obtain the full-spectrum LED device.
Examples 8 to 9
Examples 8 to 9 provide a full spectrum LED device differing from example 7 only in that: the ultra-high color-rendering phosphor compositions of examples 2 to 3 were respectively used.
Examples 10 to 11
Examples 10 to 11 provide a full spectrum LED device differing from example 7 only in that: the ultra-high color-development phosphor compositions of examples 4 to 5 were used, respectively; the excitation light source selects two LED excitation chips with peak wavelength ranges of 430-455 nm and 450-465 nm respectively.
Example 12
Embodiment 12 provides a full spectrum LED device differing from embodiment 7 only in that: the ultra-high color rendering phosphor composition of example 6 was used.
Comparative example 1
Comparative example 1 provides a full spectrum LED device differing from example 5 only in that: the LED excitation chip adopts only one type, and the peak wavelength range is 450-460 nm; the formula of the fluorescent powder composition comprises the following components in percentage by mass, wherein the blue-green fluorescent powder with the luminescence peak wavelength of 480-500 nm
Ca 0.99 Si 2 O 2 N 2 :0.01Eu 2+ 27 percent of yellow fluorescent powder Lu with the luminescence peak wavelength of 540 to 570nm 2.98 Al 5 O 12 :0.02Ce 3+ 59% red phosphor (Sr, ca) with luminous peak wavelength of 640-660 nm 0.98 AlSiN 3 :0.02Eu 2+ 14％。
Experimental example 1
The emission spectra of the full spectrum LED devices of examples 7 to 12 and comparative example 1 were tested using a remote HAAS-2000 photoelectric integrating sphere device, and the results are shown in FIGS. 2 to 8; the full spectrum LED devices of examples 7 to 12 and comparative example 1 were tested for light color parameters using a remote HAAS-2000 photo-integrating sphere device, and the results are shown in table 1 below.
Table 1 examples 7 to 12 and comparative example 1 light color parameter tables
As can be seen from Table 1, the full spectrum LED devices of examples 7 to 12 have color temperatures of 3042 to 5037K, color rendering indexes Ra of 99.3 to 99.6, and R1 to R15 of 95.8 to 99.9, and have extremely high color rendering indexes and excellent color reduction capability. Meanwhile, by combining the spectrograms of fig. 2-7, the invention has the advantages of high color rendering index and full spectrum.
Claims (9)
1. The ultra-high color development fluorescent powder composition is characterized by comprising the following components in percentage by mass:
the light-emitting peak range of the blue-green fluorescent powder is 480-500 nm; the light-emitting peak range of the green fluorescent powder is 500-520 nm; the luminescence peak value range of the yellow fluorescent powder is 520-570 nm; the light-emitting peak range of the red fluorescent powder is 600-680 nm.
2. The ultra-high color development phosphor composition according to claim 1, wherein the mass percentage of the blue-green phosphor is 5 to 12%, the mass percentage of the green phosphor is 20 to 45%, the mass percentage of the yellow phosphor is 30 to 45%, and the mass percentage of the red phosphor is 3 to 10%.
3. The ultra-high color development phosphor composition according to claim 1, wherein the mass percentage of the blue-green phosphor is 15 to 30%, the mass percentage of the green phosphor is 0, the mass percentage of the yellow phosphor is 35 to 70%, and the mass percentage of the red phosphor is 5 to 21%.
4. The ultra-high color development phosphor composition according to claim 1, wherein the excitation light source of the ultra-high color development phosphor composition is selected from a blue light chip combination having three peak wavelength ranges of 430 to 440nm, 445 to 455nm, 460 to 470nm, respectively, or a blue light chip combination having two peak wavelength ranges of 430 to 455nm, 450 to 465nm, respectively.
5. The ultra-high color development phosphor composition according to claim 1, wherein the blue-green phosphor is selected from at least one of the substances represented by formula I,
X 1-x Si 2 O 2 N 2 ：xEu 2+ the chemical formula I is shown in the specification,
in the chemical formula I, X is at least one of Ba, ca and Sr, and the value range of X is more than or equal to 0.001 and less than or equal to 0.5;
the green fluorescent powder is selected from at least one of substances shown in chemical formula II,
Y 2-y SiO 4 :yEu 2+ the chemical formula II is shown in the specification,
in the chemical formula II, Y is at least one of Ba and Sr, and the value range of Y is more than or equal to 0.001 and less than or equal to 0.5;
the yellow fluorescent powder is selected from at least one of substances shown in a chemical formula III,
Z 3-z Al 5 O 12 :zCe 3+ the chemical formula III is shown in the specification,
in the chemical formula III, Z is at least one of Y, lu and Ga, and the value range of Z is more than or equal to 0.001 and less than or equal to 0.5;
the red fluorescent powder is selected from at least one of substances shown in a chemical formula IV,
M 1-m AlSiN 3 :mEu 2+ the chemical formula IV of the compound of formula IV,
in the chemical formula IV, M is at least one of Sr and Ca, and the value range of M is more than or equal to 0.001 and less than or equal to 0.5.
6. The ultra-high color rendering phosphor composition of claim 1, wherein the ultra-high color rendering phosphor composition has a color rendering index in the range of Ra > 99, R1 to R15 > 95.
7. The ultra-high color rendering phosphor composition of claim 1, wherein the color temperature of the ultra-high color rendering phosphor composition is 2500 to 7000K.
8. A full spectrum LED device comprising an LED excitation chip, a phosphor composition and an LED package glue, wherein the phosphor composition is the ultra-high color rendering phosphor composition of any one of claims 1-7.
9. The full spectrum LED device of claim 8, wherein the mass ratio of phosphor composition to LED package glue is 1: (2.5-4).
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116751585A (en) * | 2023-06-25 | 2023-09-15 | 江苏博睿光电股份有限公司 | Fluorescent powder composition and LED device |
| CN117568035A (en) * | 2023-12-04 | 2024-02-20 | 江门市蓬江区凯森电子厂 | High-performance fluorescent powder composition for multi-wave peak excitation LED and device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104263359A (en) * | 2014-09-12 | 2015-01-07 | 江门市科恒实业股份有限公司 | Full spectrum LED (light-emitting diode) fluorescent powder and application thereof |
| CN110828635A (en) * | 2019-11-20 | 2020-02-21 | 宁波纬智光电科技有限公司 | Preparation method of high-fidelity non-blue-light solar spectrum LED and LED |
| CN112608750A (en) * | 2020-12-16 | 2021-04-06 | 中国科学院长春应用化学研究所 | Full-spectrum LED fluorescent powder composition and full-spectrum white LED device |
| CN114373850A (en) * | 2021-12-28 | 2022-04-19 | 广州光联电子科技有限公司 | Full-spectrum LED light source, LED light emitting component and LED lighting device |
-
2022
- 2022-12-23 CN CN202211671554.5A patent/CN116083082B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104263359A (en) * | 2014-09-12 | 2015-01-07 | 江门市科恒实业股份有限公司 | Full spectrum LED (light-emitting diode) fluorescent powder and application thereof |
| CN110828635A (en) * | 2019-11-20 | 2020-02-21 | 宁波纬智光电科技有限公司 | Preparation method of high-fidelity non-blue-light solar spectrum LED and LED |
| CN112608750A (en) * | 2020-12-16 | 2021-04-06 | 中国科学院长春应用化学研究所 | Full-spectrum LED fluorescent powder composition and full-spectrum white LED device |
| CN114373850A (en) * | 2021-12-28 | 2022-04-19 | 广州光联电子科技有限公司 | Full-spectrum LED light source, LED light emitting component and LED lighting device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116751585A (en) * | 2023-06-25 | 2023-09-15 | 江苏博睿光电股份有限公司 | Fluorescent powder composition and LED device |
| CN117568035A (en) * | 2023-12-04 | 2024-02-20 | 江门市蓬江区凯森电子厂 | High-performance fluorescent powder composition for multi-wave peak excitation LED and device |
| CN117568035B (en) * | 2023-12-04 | 2024-04-16 | 江门市蓬江区凯森电子厂 | High-performance fluorescent powder composition for multi-wave peak excitation LED and device |
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