CN208588893U - The light emitting device of high brightness feux rouges is generated based on optical wavelength conversion material - Google Patents
The light emitting device of high brightness feux rouges is generated based on optical wavelength conversion material Download PDFInfo
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- CN208588893U CN208588893U CN201821233991.8U CN201821233991U CN208588893U CN 208588893 U CN208588893 U CN 208588893U CN 201821233991 U CN201821233991 U CN 201821233991U CN 208588893 U CN208588893 U CN 208588893U
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Abstract
The utility model discloses a kind of light emitting devices that high brightness feux rouges is generated based on optical wavelength conversion material, including excitation light source, substrate and optical wavelength conversion element, optical wavelength conversion element includes the first wave length transition material that Emission Spectrum Peals wavelength is 510-560nm, the third wavelength conversion material that the second wave length transition material and Emission Spectrum Peals wavelength that Emission Spectrum Peals wavelength is 560-610nm are 590-680nm, first, two, three wavelength conversion material are respectively formed three layers of wavelength conversion material lamella that different layers position is set in turn in along the direction of gradually remote excitation light source, or first, two wavelength conversion material same layers mix two layers of wavelength conversion material lamella for being respectively formed with third wavelength conversion material be set in turn in different layers position along the direction of gradually remote excitation light source afterwards.The utility model expands angle accounting of the red light portion on entire fluorescent wheel, and the brightness of entire light source can be improved.
Description
Technical field
The utility model relates to projection fields, and in particular to a kind of luminous dress that feux rouges is generated based on optical wavelength conversion material
It sets.
Background technique
The light of color required for light emitting device is projected by LASER Excited Fluorescence material issues red in the prior art
The light emitting device of light swashs first wave length transition material usually using blue light excitated red fluorescent powder or using Red lightscreening plate
It shines and cut color to generate feux rouges, the transfer efficiency of red light is too low to cause light-source brightness not satisfactory.
Summary of the invention
The purpose of the utility model is to provide it is a kind of based on optical wavelength conversion material generate high brightness feux rouges light emitting device,
Enable to the feux rouges brightness issued higher.
In order to achieve the above objectives, the technical solution adopted in the utility model is: one kind is generated based on optical wavelength conversion material
The light emitting device of high brightness feux rouges, including excitation light source and light wavelength conversion component, the light wavelength conversion component includes substrate
Be set to the substrate on optical wavelength conversion element,
Wherein, the optical wavelength conversion element includes that the first wave length that Emission Spectrum Peals wavelength is 510-560nm is converted
The second wave length transition material and Emission Spectrum Peals wavelength that material, Emission Spectrum Peals wavelength are 560-610nm are 590-
The third wavelength conversion material of 680nm,
Described first, two, three wavelength conversion material are respectively formed to be set in turn in along the direction of the gradually remote excitation light source
Three layers of wavelength conversion material lamella of different layers position or described first, two wavelength conversion material same layers mix after with it is described
Third wavelength conversion material is respectively formed two layers of wave that different layers position is set in turn in along the direction of the gradually remote excitation light source
Long transition material lamella.
In above-mentioned technical proposal, the volume ratio of wavelength conversion material particle and glue in the wavelength conversion material lamella
Greater than 96%.
In above-mentioned technical proposal, the wavelength conversion material lamella with a thickness of 30-250um.
In above-mentioned technical proposal, the substrate is reflection substrate or transmission substrate.
In above-mentioned technical proposal, the reflection substrate is equipped with diffusing reflection layer.
In above-mentioned technical proposal, the diffusing reflection layer with a thickness of 20-40um.
In above-mentioned technical proposal, the reflection substrate is aluminum substrate.
In above-mentioned technical proposal, the transmission substrate is sapphire substrate.
In above-mentioned technical proposal, the excitation light source is that peak wavelength is exciting light no more than 460nm.
In above-mentioned technical proposal, the light emitting device further includes motor, and the motor is connect with the substrate to drive
State substrate rotation.
Since above-mentioned technical proposal is used, the utility model has the advantage that compared with prior art
1) light emitting device disclosed by the utility model that high brightness feux rouges is generated based on optical wavelength conversion material, is expanded red
The brightness of entire light source can be improved in angle accounting of the light part on entire fluorescent wheel, and main lift is 590nm-700nm
Between red light amount, the fluorescent wheel made according to the above technical scheme can be more conventional uses Red lightscreening plate (T50=
595-605) cut 10% or more the improved efficiency of first wave length transition material exciting light；
2) light emitting device disclosed by the utility model that high brightness feux rouges is generated based on optical wavelength conversion material, this scheme one
Determine solve the problems, such as that red fluorescence powder is not available under high exciting power in degree, in entering for 120W/4MM2 blue laser
It can normal use under the conditions of penetrating；
3) light emitting device disclosed by the utility model that high brightness feux rouges is generated based on optical wavelength conversion material, fluorescent powder are got over
Densification can accomplish under the premise of guaranteeing luminous efficiency it is thinner, then its temperature will decline, under the input of blue light high power
Reliability will greatly promote.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of light emitting device in the utility model embodiment one；
Fig. 2 is the structural schematic diagram of light emitting device in the utility model embodiment two；
Fig. 3 is the structural schematic diagram of light emitting device in the utility model embodiment three；
Fig. 4 is the structural schematic diagram of light emitting device in the utility model embodiment four.
Wherein: 100, excitation light source；210, reflection substrate；211, diffusing reflection layer；221, yellow fluorescent powder lamella；222, orange
Color fluorescent powder lamella；223, red fluorescence powder lamella；231, orange fluorescent powder lamella；232, red fluorescence powder lamella；240,
Transmission substrate；251, orange fluorescent powder lamella；252, red fluorescence powder lamella；300, motor.
Specific embodiment
The utility model is further described in conjunction with accompanying drawings and embodiments:
Embodiment one
Referring to Fig. 1, as shown in legend therein, a kind of luminous dress generating high brightness feux rouges based on optical wavelength conversion material
It sets, including excitation light source 100 and light wavelength conversion component, light wavelength conversion component 200 includes reflection substrate 210 and is set to anti-
The optical wavelength conversion element on substrate 210 is penetrated,
Wherein, optical wavelength conversion element includes yellow fluorescent powder, orange fluorescent powder and red fluorescence powder, yellow fluorescence
Powder, orange fluorescent powder and red fluorescence powder, which are respectively formed, is set in turn in different layers position along the direction of gradually remote excitation light source 100
Yellow fluorescent powder lamella 221, orange fluorescent powder lamella 222 and the red fluorescence powder lamella 223 set.
In preferred embodiment, the volume ratio of fluorescent powder grain and glue in each fluorescent powder lamella is greater than 96%.
In preferred embodiment, each fluorescent powder lamella with a thickness of 30-250um.
In preferred embodiment, reflection substrate 210 is equipped with diffusing reflection layer 211.
In preferred embodiment, diffusing reflection layer 211 with a thickness of 20-40um.
In preferred embodiment, reflection substrate 210 is aluminum substrate.
In preferred embodiment, excitation light source 100 is blue excitation light.
In preferred embodiment, light emitting device further includes motor 300, and motor 300 is connect with reflection substrate 210 with band
Dynamic reflection substrate 210 rotates.
Embodiment two
Referring to fig. 2, as shown in legend therein, remaining is the same as example 1, the difference is that,
It is respectively formed with red fluorescence powder along gradually remote excitation light source 100 after yellow fluorescent powder and orange fluorescent powder same layer mix
Direction be set in turn in the orange fluorescent powder lamella 231 and red fluorescence powder lamella 232 of different layers position.
Embodiment three
Referring to Fig. 3, as shown in legend therein, remaining is the same as example 1, the difference is that, reflection substrate replacement
For transmission substrate 240, and it is not provided with diffusing reflection layer.
In preferred embodiment, transmission substrate 240 is sapphire substrate.
Example IV
Referring to fig. 4, as shown in legend therein, remaining is identical as embodiment three, the difference is that, yellow fluorescent powder and
Orange fluorescent powder same layer, which mixes to be respectively formed with red fluorescence powder afterwards, is set in turn in difference along the direction of gradually remote excitation light source 100
The orange fluorescent powder lamella 251 and red fluorescence powder lamella 252 of layer position.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (10)
1. a kind of light emitting device for generating high brightness feux rouges based on optical wavelength conversion material, including excitation light source and light wavelength conversion
Component, the light wavelength conversion component include substrate and the optical wavelength conversion element on the substrate,
It is characterized in that, the optical wavelength conversion element includes that the first wave length that Emission Spectrum Peals wavelength is 510-560nm turns
The second wave length transition material and Emission Spectrum Peals wavelength that conversion materials, Emission Spectrum Peals wavelength are 560-610nm be
The third wavelength conversion material of 590-680nm,
Described first, two, three wavelength conversion material, which are respectively formed, is set in turn in difference along the direction of the gradually remote excitation light source
Three layers of wavelength conversion material lamella or described first of layer position, two wavelength conversion material same layers mix the rear and third
Wavelength conversion material is respectively formed to be turned along two layers of wavelength that the direction of the gradually remote excitation light source is set in turn in different layers position
Conversion materials lamella.
2. light emitting device according to claim 1, which is characterized in that the wavelength convert in the wavelength conversion material lamella
The volume ratio of material granule and glue is greater than 96%.
3. light emitting device according to claim 1, which is characterized in that the wavelength conversion material lamella with a thickness of 30-
250um。
4. light emitting device according to claim 1, which is characterized in that the substrate is reflection substrate or transmission substrate.
5. light emitting device according to claim 4, which is characterized in that the reflection substrate is equipped with diffusing reflection layer.
6. light emitting device according to claim 5, which is characterized in that the diffusing reflection layer with a thickness of 20-40um.
7. light emitting device according to claim 4, which is characterized in that the reflection substrate is aluminum substrate.
8. light emitting device according to claim 4, which is characterized in that the transmission substrate is sapphire substrate.
9. light emitting device according to claim 1, which is characterized in that the excitation light source be peak wavelength be no more than
The exciting light of 460nm.
10. light emitting device according to claim 1, which is characterized in that the light emitting device further includes motor, the motor
It is connect with the substrate to drive the substrate to rotate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821233991.8U CN208588893U (en) | 2018-08-02 | 2018-08-02 | The light emitting device of high brightness feux rouges is generated based on optical wavelength conversion material |
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| CN201821233991.8U CN208588893U (en) | 2018-08-02 | 2018-08-02 | The light emitting device of high brightness feux rouges is generated based on optical wavelength conversion material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112731747A (en) * | 2020-12-29 | 2021-04-30 | 无锡视美乐激光显示科技有限公司 | Wavelength conversion device, light source system and projection device |
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2018
- 2018-08-02 CN CN201821233991.8U patent/CN208588893U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112731747A (en) * | 2020-12-29 | 2021-04-30 | 无锡视美乐激光显示科技有限公司 | Wavelength conversion device, light source system and projection device |
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