CN112979169A - One kind of Ce: YAGG composite glass material and preparation and application thereof - Google Patents
One kind of Ce: YAGG composite glass material and preparation and application thereof Download PDFInfo
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- 239000011521 glass Substances 0.000 title claims abstract description 80
- 239000000463 material Substances 0.000 title claims abstract description 55
- 239000002131 composite material Substances 0.000 title claims abstract description 50
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000000843 powder Substances 0.000 claims abstract description 27
- 239000011159 matrix material Substances 0.000 claims abstract description 21
- 238000005286 illumination Methods 0.000 claims abstract description 18
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000000203 mixture Substances 0.000 claims description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- 229910052593 corundum Inorganic materials 0.000 claims description 12
- 239000002994 raw material Substances 0.000 claims description 11
- 239000010431 corundum Substances 0.000 claims description 8
- 239000006121 base glass Substances 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000002844 melting Methods 0.000 claims description 7
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 4
- 229910052681 coesite Inorganic materials 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 229910052906 cristobalite Inorganic materials 0.000 claims description 4
- 239000004570 mortar (masonry) Substances 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 229910052682 stishovite Inorganic materials 0.000 claims description 4
- 229910052905 tridymite Inorganic materials 0.000 claims description 4
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- 238000007578 melt-quenching technique Methods 0.000 claims description 2
- 238000004321 preservation Methods 0.000 claims 1
- 238000009877 rendering Methods 0.000 description 10
- JNDMLEXHDPKVFC-UHFFFAOYSA-N aluminum;oxygen(2-);yttrium(3+) Chemical compound [O-2].[O-2].[O-2].[Al+3].[Y+3] JNDMLEXHDPKVFC-UHFFFAOYSA-N 0.000 description 9
- 229910019901 yttrium aluminum garnet Inorganic materials 0.000 description 9
- 239000006064 precursor glass Substances 0.000 description 6
- 239000000919 ceramic Substances 0.000 description 4
- 239000005022 packaging material Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
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- 238000002441 X-ray diffraction Methods 0.000 description 2
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- 239000003822 epoxy resin Substances 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910019064 Mg-Si Inorganic materials 0.000 description 1
- 229910019406 Mg—Si Inorganic materials 0.000 description 1
- -1 Pr3+ Chemical class 0.000 description 1
- 241001085205 Prenanthella exigua Species 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
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Images
Classifications
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- 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
- C03C14/004—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 particles or flakes
-
- 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
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
-
- 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
- C03C4/00—Compositions for glass with special properties
- C03C4/12—Compositions for glass with special properties for luminescent glass; for fluorescent glass
-
- 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
- C09K11/7766—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals
- C09K11/7774—Aluminates
Abstract
The invention discloses a Ce: YAGG composite glass material and preparation and application thereof. The Ce: the YAGG composite glass material comprises a glass matrix and Ce: YAGG phosphor, the Ce: YAGG fluorescent powder is embedded in a glass matrix; the glass matrix consists of the following components in percentage by mass: SiO 22：40～60％，B2O3：15～20％，CaO：1～6％，Na215-35% of O; the Ce: the content of YAGG fluorescent powder is 10-60 wt% of the glass matrix. The present invention provides the Ce: the YAGG composite glass material is applied to the preparation of LEDs and LDs, and can be applied to high-power long-time LED/LD illumination.
Description
Technical Field
The invention relates to a Ce: YAGG composite glass material, preparation thereof and application thereof in preparing LED and LD.
Background
As a fourth generation illumination light source, the white light LED is widely applied to the fields of indoor and outdoor special illumination due to the advantages of energy conservation, environmental protection, long service life, low use voltage, quick response and the like. Common commercial white light LEDs are manufactured by coating YAG (yttrium aluminum garnet) Ce fluorescent powder with silica gel or epoxy resin and then directly coating the silica gel or epoxy resin on a blue InGaN chip. However, this packaging approach has three problems: (1) because the heat conductivity of the traditional organic packaging material is too poor, the traditional organic packaging material is easy to age and yellow in a long-time heat radiation working environment, so that the light attenuation and the color coordinate offset of an LED are caused, and the service life of the traditional organic packaging material is shortened; (2) YAG, Ce phosphor particle refractive index and organic packaging material refractive index mismatch, will cause the light to scatter and lose too; (3) and the red light component in the emission spectrum of YAG and Ce fluorescent powder is insufficient, and the white light LED device packaged by the fluorescent powder has low color rendering index and high color temperature, so that warm white light is difficult to obtain. Therefore, a new optical material having high thermal conductivity, stable structure, good light output performance, and characteristics of color rendering index, adjustable color temperature, etc. is becoming a hot spot of semiconductor lighting technology research.
In order to solve the above-mentioned problems, researchers have intensively studied and proposed various solutions. Using co-doped red luminescent ions, e.g. Pr3+、Mn2+Or Cr3+They are not an effective way to achieve warm white light due to their lack of sharp red emissions. YAG can be increased by adding Gd or Mg-Si: red emission of Ce. However, energy loss and efficiency degradation are inevitable. Thus, if a stable luminescent material, which can be a transparent ceramic due to the abundant red emission, it may be a very promising HP-WLED and LD lighting with comfortable warm white light. Low-melting glass is used as a substrate for encapsulating the fluorescent powder, which is called PiG (Phosphor-in-glass) for short. There are two methods for preparing PiG: glass crystallization and low-temperature co-sintering, wherein the low-temperature co-sintering is the mainstream preparation method at present due to simple process and low cost. By retrieving: chinese patent CN103183473A 'Ce: YAG microcrystalline glass for white light LED and preparation method thereof' discloses a preparation method of low-melting-point microcrystalline glass containing Ce: YAG microcrystalline. However, the material only contains the Ce: YAG microcrystal emitting yellow light and lacks red light components, so that the color rendering index of a white light LED device packaged with a blue light LED chip is not high. Recently, a high-efficiency red phosphorCaAlSiN3：Eu2+Having the best thermal stability, quantum efficiency and chemical stability, it is therefore proposed to add to YAG: ce PIG, however, requires careful handling of the oxidative decomposition of the nitride red phosphor during the ceramic sintering process.
At present, the LED illumination is developing towards special illumination, and the requirements on high brightness, long service life, illumination distance and the like of a high-power illumination device are higher and higher. Compared with LED illumination, the laser illumination has higher efficiency and brightness and better modulability, the brightness can be improved by increasing the input power, and the high temperature and the high heat generated by high power all put higher requirements on the heat conductivity, the reliability and the packaging mode of the material. By retrieving: chinese patent CN111285683A 'high-stability fluorescent ceramic for high-power laser illumination and preparation method thereof' discloses a preparation method of Ce: LuAG fluorescent ceramic and application thereof in high-power laser illumination, but the luminous efficiency is lower and the color rendering index is lower. Because YAGG garnet has tunable luminescence by changing crystal field splitting, a novel fluorescent conversion material with high luminous efficiency, high color rendering index and good thermal stability needs to be researched and developed to meet the development requirement of high-power LED/LD.
Disclosure of Invention
The first technical problem to be solved by the invention is to provide a Ce: YAGG composite glass material.
The second technical problem to be solved by the invention is to provide a Ce: a preparation method of YAGG composite glass material.
The third technical problem to be solved by the present invention is to provide the Ce: the YAGG composite glass material is applied to the preparation of white light LEDs.
The fourth technical problem to be solved by the present invention is to provide the Ce: the YAGG composite glass material is applied to preparing LD laser illumination.
The invention adopts the technical scheme for solving the problems that:
in a first aspect, the present invention provides a Ce: YAGG composite glass material comprises a glass matrix and Ce: YAGG fluorescent powder, wherein the glass matrix consists of the following components in percentage by mass：SiO2：40～60％，B2O3：15～20％，CaO：1～6％，Na215-35% of O; the Ce: the content of YAGG fluorescent powder is 10-60 wt% of the glass matrix, and the Ce: YAGG fluorescent powder is embedded in a glass matrix.
Preferably, the composition of the glass matrix is: SiO 22：40-45％，B2O3：15-20％，CaO：4-6％，Na230-35 percent of O. Further preferably, the composition of the glass substrate is: SiO 22：40％，B2O3：20％，CaO：5％，Na2O:35％。
In a second aspect, the present invention provides a Ce: the preparation method of the YAGG composite glass material comprises the following steps:
(1) mixing SiO2、B2O3、CaO、Na2Weighing O powder raw materials according to the component proportion, then putting the raw materials into a mortar, uniformly mixing and grinding the raw materials, putting the raw materials into a crucible, heating the mixture to 1300 ℃ and 1400 ℃, preserving the heat for 10-20min, and carrying out melt quenching to obtain base glass;
(2) grinding the base glass obtained in the step (1) into powder by using an agate mortar, and then adding Ce: YAGG fluorescent powder is uniformly mixed and placed in a container coated with nano Al2O3And (3) putting the corundum crucible in the layer into a muffle furnace, heating to 800-900 ℃, preserving heat for 10-20min to melt and mold the corundum crucible, and then cooling along with the furnace to obtain Ce: YAGG composite glass material.
Preferably, the crucible used is a corundum crucible.
Preferably, in step (1), the melting temperature of the base glass is 1300 ℃ and the melting time is 10 minutes.
Preferably, in step (2), the mixture is heated to 850 ℃ and the holding time is 15 minutes.
In a third aspect, the present invention provides the Ce: the YAGG composite glass material is coupled with a blue light LED chip to prepare a white light LED.
Preferably, the Ce: in the YAGG composite glass material, the composition of the glass matrix is as follows: SiO 22：40％，B2O3：20％，CaO：5％，Na2O:35％；The Ce: the content of YAGG fluorescent powder is 50 wt% of the glass matrix. The Ce: the YAGG composite glass material has higher light efficiency and color rendering index.
In a fourth aspect, the present invention provides the Ce: the YAGG composite glass material is applied to preparing blue laser excited LD illumination.
Preferably, the Ce: in the YAGG composite glass material, the composition of the glass matrix is as follows: SiO 22：40％，B2O3：20％，CaO：5％，Na235 percent of O; the Ce: the content of YAGG fluorescent powder is 10 wt% of the glass matrix. The Ce: the YAGG composite glass material has higher light efficiency and color rendering index.
Compared with the prior art, the invention has the advantages that:
(1) the invention provides a Ce: YAGG composite glass material is prepared with SiO2-B2O3-CaO-Na2O-based glass system, incorporating Ce: YAGG fluorescent powder is prepared in the air atmosphere through a high-temperature melting process to obtain Ce: the YAGG composite glass material has the advantages of simple preparation process, low cost and easy batch production.
(2) The Ce: the YAGG composite glass material has high quantum efficiency, good optical performance (high luminous intensity and high brightness) and thermal stability.
(3) The Ce prepared by the invention: the YAGG composite glass material is applied to a white light LED, shows high luminous efficiency and high color rendering index, and can be applied to high-power long-time LED illumination.
(4) The Ce prepared by the invention: the YAGG composite glass material is applied to white light LD, shows high saturation threshold, high luminous flux and high luminous efficiency, and can be applied to high-power long-time LD illumination.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is within the scope of the present invention for those skilled in the art to obtain other drawings based on the drawings without inventive exercise.
Fig. 1 is a Ce: sample plots of YAGG composite glass material under normal light (top) and ultraviolet light (bottom) (from left to right correspond to examples 1-6, respectively);
FIG. 2 shows the Ce: an XRD pattern of the YAGG composite glass material;
fig. 3 is a Ce: a fluorescence map of YAGG composite glass material;
fig. 4 shows Ce: YAGG composite glass material and Ce: a quantum efficiency graph of YAGG phosphor;
fig. 5 is a Ce: YAGG composite glass material matched LED picture;
fig. 6 is a Ce: an LD laser illumination photo prepared from YAGG composite glass material;
fig. 7 is a Ce: YAGG composite glass material matching LD diagram;
fig. 8 is a Ce: YAGG and Ce: YAGG fluorescent powder temperature change diagram.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings.
Examples 1 to 6
Weighing raw materials according to the following mass ratio in the following table 1, mixing and grinding the raw materials uniformly, placing the mixture into a corundum crucible, placing the corundum crucible into a high-temperature furnace, heating the mixture to 1300 ℃, preserving the temperature for 10min, and pouring the mixture into cold water for quenching to obtain precursor glass. The obtained precursor glass was ground into powder, and the doping amount of Ce shown in table 1 was added: YAGG fluorescent powder is ground and placed on the substrate coated with nano Al2O3And (3) putting the crucible in the layer into a high-temperature melting furnace, heating to 850 ℃, keeping the temperature for 15min to melt and mold, and cooling the crucible along with the furnace to obtain Ce: YAGG composite glass material. The prepared Ce: the sample pattern of YAGG composite glass material under normal light and ultraviolet light is shown in figure 1, the XRD pattern is shown in figure 2, and the fluorescence is shown in figure 2The light emission spectrum is shown in FIG. 3.
TABLE 1
| Example 1 | Example 2 | Example 3 | Example 4 | Example 5 | Example 6 | |
| SiO2 | 40wt％ | 40wt％ | 40Wt％ | 40Wt％ | 40wt％ | 40Wt％ |
| B2O3 | 20wt％ | 20wt％ | 20Wt％ | 20Wt％ | 20wt％ | 20Wt％ |
| CaO | 5wt％ | 5wt％ | 5wt％ | 5wt％ | 5wt％ | 5wt％ |
| Na2O | 35wt％ | 35wt％ | 35wt％ | 35wt％ | 35wt％ | 35wt％ |
| Ce：YAGG | 10wt％ | 20wt％ | 30wt％ | 40wt％ | 50wt％ | 60wt％ |
| Quantum efficiency | 82％ | 85％ | 88％ | 90％ | 95％ | 92％ |
Comparative example 1
The raw materials in the mass ratio are weighed according to the following table 2 and are mixed and ground uniformly,putting the precursor glass into a corundum crucible, then placing the corundum crucible into a high-temperature furnace, heating to 1300 ℃, preserving the temperature for 10min, pouring the precursor glass into cold water for quenching, and obtaining the precursor glass. The obtained precursor glass was ground into powder, and the doping amount of Ce shown in table 2 was added: YAGG fluorescent powder is ground and placed on the substrate coated with nano Al2O3And (3) putting the crucible in the layer into a high-temperature melting furnace, heating to 850 ℃, keeping the temperature for 15min to melt and mold, and cooling the crucible along with the furnace to obtain Ce: YAGG composite glass material.
TABLE 2
Ce prepared in example 5 and comparative example 1: YAGG composite glass material and commercial Ce: the quantum efficiency diagram of YAGG phosphor is shown in FIG. 4, and it can be seen that the Ce: YAGG composite glass material compared to Ce prepared using the base glass of comparative example 1: the YAGG composite glass material has higher quantum efficiency.
Example 7
Ce prepared in example 5: YAGG composite glass material is cut into 1 × 0.12mm (double-sided non-polished) and coupled with a commercial 460nmGaN blue LED chip to emit bright white light, and the luminous efficiency, color temperature, color rendering index and color coordinate under different currents are shown in Table 3.
TABLE 3
Example 8
Examples 1-6 the composite glass materials prepared were cut to 10 x 0.6mm (both sides were not polished) under 3W, 450nm blue laser irradiation (see fig. 6), and the results are shown in fig. 7 when the blue laser power was increased to 3.4W/mm210% Ce: the YAGG composite glass material has a saturation threshold value, the light flux of the YAGG composite glass material is 288lm, and the light efficiency is 143 lm/w.
In summary, the Ce: YAGG has good stability, high light efficiency and high color rendering index, and can be applied to high-power long-time LED/LD illumination.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention, and it is therefore to be understood that the invention is not limited by the scope of the appended claims.
Claims (10)
1. One kind of Ce: YAGG composite glass material comprises a glass matrix and Ce: YAGG phosphor, the Ce: YAGG fluorescent powder is embedded in a glass matrix; the glass matrix consists of the following components in percentage by mass: SiO 22：40～60％，B2O3：15～20％，CaO：1～6％，Na215-35% of O; the Ce: the content of YAGG fluorescent powder is 10-60 wt% of the glass matrix.
2. The Ce: YAGG composite glass material, its characterized in that: the glass substrate comprises the following components: SiO 22：40-45％，B2O3：15-20％，CaO：4-6％，Na2O:30-35％。
3. The Ce: YAGG composite glass material, its characterized in that: the glass substrate comprises the following components: SiO 22：40％，B2O3：20％，CaO：5％，Na2O:35％。
4. A Ce: the preparation method of the YAGG composite glass material comprises the following steps:
(1) mixing SiO2、B2O3、CaO、Na2Weighing O powder raw materials according to the component proportion, then putting the raw materials into a mortar, uniformly mixing and grinding the raw materials, putting the raw materials into a crucible, heating the mixture to 1300 ℃ and 1400 ℃, preserving the heat for 10-20min, and carrying out melt quenching to obtain base glass;
(2) grinding the base glass obtained in the step (1) into powder by using an agate mortar, and then adding Ce: YAGG fluorescent powder, evenly mixed and arranged in a coating with nano Al2O3In a layered corundum crucible, placingHeating the mixture to 800-900 ℃ in a muffle furnace, preserving the heat for 10-20min to melt and mold the mixture, and then cooling the mixture along with the furnace to obtain Ce: YAGG composite glass material.
5. The method of claim 4, wherein: in the step (1), the melting temperature of the base glass is 1300 ℃, and the melting time is 10 minutes.
6. The method of claim 4, wherein: in the step (2), the temperature is heated to 850 ℃, and the heat preservation time is 15 minutes.
7. The Ce: the YAGG composite glass material is coupled with a blue light LED chip to prepare a white light LED.
8. The use of claim 7, wherein: the Ce: in the YAGG composite glass material, the composition of the glass matrix is as follows: SiO 22：40％，B2O3：20％，CaO：5％，Na235 percent of O; the Ce: the content of YAGG fluorescent powder is 50 wt% of the glass matrix.
9. The Ce: the YAGG composite glass material is applied to preparing blue laser excited LD illumination.
10. The use of claim 9, wherein: the Ce: in the YAGG composite glass material, the composition of the glass matrix is as follows: SiO 22：40％，B2O3：20％，CaO：5％，Na235 percent of O; the Ce: the content of YAGG fluorescent powder is 10 wt% of the glass matrix.
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| CN101171205A (en) * | 2005-05-11 | 2008-04-30 | 日本电气硝子株式会社 | Fluorescent composite glass, fluorescent composite glass green sheet and process for production of fluorescent composite glass |
| CN101643315A (en) * | 2009-08-10 | 2010-02-10 | 武汉理工大学 | Low-melting-point fluorescent glass for white light LED and preparation method thereof |
| CN102911661A (en) * | 2012-10-19 | 2013-02-06 | 深圳市永丰源瓷业有限公司 | Temperature-resistant anti-counterfeiting compound and method for producing same |
| CN103849387A (en) * | 2012-12-07 | 2014-06-11 | 冉紫明 | Fluorescent crystal and light-emitting device using same |
| CN105198224A (en) * | 2015-09-09 | 2015-12-30 | 温州大学 | Ce:YAG glass ceramic as well as preparation method and application thereof |
| CN108028304A (en) * | 2016-07-04 | 2018-05-11 | 松下知识产权经营株式会社 | The light-emitting device of fluorophor is used |
| CN108998024A (en) * | 2017-06-06 | 2018-12-14 | 松下知识产权经营株式会社 | Fluorophor and light emitting device |
| US20200123059A1 (en) * | 2017-07-26 | 2020-04-23 | Guangdong Fenghua Advanced Technology Holding Co., Ltd. | Boron aluminum silicate mineral material, low temperature co-fired ceramic composite material, low temperature co-fired ceramic, composite substrate and preparation methods thereof |
| CN111153594A (en) * | 2020-01-09 | 2020-05-15 | 温州大学 | YAG-Ce glass ceramic and preparation method and application thereof |
| CN111269720A (en) * | 2020-03-06 | 2020-06-12 | 厦门稀土材料研究所 | Rare earth doped double long afterglow nano material and its preparation method and use |
| CN111574062A (en) * | 2020-03-31 | 2020-08-25 | 温州大学 | Nitride red-light glass and application thereof |
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