CN104614926A - Wavelength conversion device with a cooling structure baseplate and light emitting device - Google Patents

Wavelength conversion device with a cooling structure baseplate and light emitting device Download PDF

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Publication number
CN104614926A
CN104614926A CN201410585110.9A CN201410585110A CN104614926A CN 104614926 A CN104614926 A CN 104614926A CN 201410585110 A CN201410585110 A CN 201410585110A CN 104614926 A CN104614926 A CN 104614926A
Authority
CN
China
Prior art keywords
substrate
baseplate
light
heat
cooling
Prior art date
Application number
CN201410585110.9A
Other languages
Chinese (zh)
Inventor
周际新
钱向林
杨生强
周恒荣
Original Assignee
扬州吉新光电有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 扬州吉新光电有限公司 filed Critical 扬州吉新光电有限公司
Priority to CN201410585110.9A priority Critical patent/CN104614926A/en
Publication of CN104614926A publication Critical patent/CN104614926A/en

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Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/14Details
    • G03B21/16Cooling; Preventing overheating
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/14Details
    • G03B21/20Lamp housings
    • G03B21/2006Lamp housings characterised by the light source
    • G03B21/2033LED or laser light sources
    • G03B21/204LED or laser light sources using secondary light emission, e.g. luminescence or fluorescence

Abstract

The invention relates to a wavelength conversion device with a cooling structure baseplate. The wavelength conversion device comprises the baseplate, and a fluorescence pink wheel sheet layer and an airflow disturbance structure which are arranged on the same side of the baseplate or on the different sides of the baseplate. By using the airflow disturbance structure, a driving device drives a light emitting device to rotate at high speed, and cross-ventilation above the surface of the baseplate is greatly improved, so that the heat dissipation capacity of the baseplate is enhanced; a heat dissipation baseplate is provided, and a double-layer heat dissipation mode is realized by heat conduction and air convection, so that the heat dissipation capacity is further improved, and the efficiency of a wavelength conversion material is ensured; and the airflow disturbance structure is in a fan blade mode, the shape and the processing mode of the airflow disturbance structure can be flexibly selected according to specific conditions, the structure is simple and the heat dissipation capacity is excellent.

Description

A kind of Wavelength converter and light-emitting device with cooling structure substrate

Technical field

The present invention relates to the light sources technical field of illumination and display, particularly relate to a kind of Wavelength converter and the light-emitting device with cooling structure substrate.

Background technology

Now, increasing projector selects mainly to utilize LED (light Emitting Diode) or LD (Laser Diode) as display light source, and wherein a kind of pattern is that the light directly utilizing polychrome excitation source to send the different wave length such as red, green or blue realizes colored display as light source; Another is then utilize a kind of redness or green or blueness as light source, recycles it and excites, changes out other two kinds of three primary colors, realize colour projection's display eventually through modulation light path.The method producing high brightness sequential coloured light is collected by excitation source and focuses on an excitated fluorescent powder material emission on a fluorescent powder rotating disk, and produce the color sequence of light of periodic timing along with the rotation of rotating disk; Use the method can produce the projection light source of high brightness.

Along with people improve constantly for the requirement of brightness, the luminous power of exciting light is also more and more higher, therefore heat Wavelength converter sent is also increasing, and then the temperature of material for transformation of wave length is more and more higher, this directly causes the decline of the efficiency of material for transformation of wave length, even have impact on the long term reliability of material for transformation of wave length.Therefore how for material for transformation of wave length cooling becomes the key point of this light source technology.

Summary of the invention

The present invention is directed to above-mentioned defect, object is to provide a kind of Wavelength converter, effectively the heat of material for transformation of wave length can be dispersed into extraneous light-emitting device.

The technical solution used in the present invention is for this reason: the present invention proposes a kind of Wavelength converter, for absorbing exciting light and launching Stimulated Light, comprise substrate, be arranged on the fluorescent powder color wheel lamella of substrate side and be arranged on the flow perturbation structure of substrate side and drive unit.

The present invention also proposes a kind of light-emitting device, comprises excitation source, for launching exciting light; Also comprise above-mentioned Wavelength converter, for absorbing this exciting light and launching Stimulated Light.

Described flow perturbation structure is the flabellum protruded from substrate, and annular spread is on substrate.

Establish heat-radiating substrate between described substrate and flow perturbation structure, described flow perturbation vibrational power flow is on heat-radiating substrate.

Advantage of the present invention is: the present invention, by arranging flow perturbation structure, when drive unit drives this light-emitting device High Rotation Speed, greatly strengthen substrate surface cross-ventilation, thus improves the ability that substrate outwardly dispels the heat; Further the present invention arranges heat-radiating substrate, by the double-deck radiating mode of heat transfer and convection current, further increases heat-sinking capability, thus guarantees the efficiency of material for transformation of wave length; Flow perturbation vibrational power flow of the present invention is electric fan form, and its concrete shape and processing mode can be selected as the case may be flexibly, and structure is simple, heat-sinking capability good.

Accompanying drawing explanation

Fig. 1,2,3 is structural representations of the embodiment of the present invention one.

Fig. 4,5 is structural representations of the embodiment of the present invention two.

Fig. 6,7 is structural representations of the embodiment of the present invention three.

Fig. 8,9 is structural representations of the embodiment of the present invention four.

Figure 10,11 is structural representations of the embodiment of the present invention four.

Embodiment

Embodiment one:

Fig. 1,2,3 is depicted as the embodiment of the present invention 1.It is 0.7mm that the ingredient of this light-emitting device comprises (1) thickness, and the aluminium flake reflection substrate 201 of the silver-plated high-reflecting film layer in front, (2) be the flow perturbation structure 301 that 0.5mm electric fan shaped materials is formed by thickness, (3) drive unit 210, (4) by red, Huang, the material for transformation of wave length lamella 101 that green three kinds of fluorescent powder and silica gel mix.

Electric fan shaped materials in example, is connected to the back side of aluminium flake reflection substrate by modes such as stickup/welding, this electric fan shaped materials can be metal or plastics etc., makes through punching press or other processing technologys.Aluminium flake reflection substrate front silver plated metals high-reflecting film layer.

When drive unit drives this light-emitting device High Rotation Speed, the material for transformation of wave length lamella being coated on aluminium flake reflection substrate front absorbs and inspires utilizing emitted light, the electric fan shaped materials being simultaneously positioned at the back side of aluminium flake reflection substrate causes flow perturbation, strengthen cross-ventilation, greatly strengthen the heat-sinking capability of material for transformation of wave length lamella and reflection substrate.

Embodiment two:

Fig. 4,5 is depicted as the embodiment of the present invention 2.It is 1.2mm that the ingredient of this light-emitting device comprises (1) thickness, and the aluminium flake reflection substrate 202 of the silver-plated high-reflecting film layer of one side, this reflection substrate planar section 0.7mm, flabellum shape 301 segment thickness is 0.5mm, (2) drive unit 210, (4) by Huang, the material for transformation of wave length lamella 102 that green two kinds of fluorescent powder and silica gel mix.

Aluminium flake reflection substrate in example, gross thickness is 1.2mm's, formed the flow perturbation structure of electric fan shape at the aluminium flake reflection substrate back side by methods such as machine works, aluminium flake reflection substrate planar section thickness is 0.7mm, flabellum shape segment thickness is 0.5mm, aluminizes metal high-reflecting film layer in aluminium flake reflection substrate front.

When drive unit drives this light-emitting device High Rotation Speed, the material for transformation of wave length lamella being coated in aluminium flake reflection substrate front absorbs and inspires utilizing emitted light, the electric fan shaped materials being simultaneously positioned at the back side of aluminium flake reflection substrate causes flow perturbation, strengthen cross-ventilation, greatly strengthen the heat-sinking capability of material for transformation of wave length lamella and reflection substrate.

Embodiment three:

Fig. 6,7 is depicted as the embodiment of the present invention 3.The ingredient of this light-emitting device comprises the stupalith reflection substrate 203 that (1) thickness is 1mm, (2) gross thickness is the copper heat-radiating substrate 401 of 1mm, this heat-radiating substrate planar section 0.5mm, flabellum shape segment thickness is 0.5mm, (3) yellow, the material for transformation of wave length lamella 103 that green two kinds of fluorescent powder and inorganic adhesive mix, (4) drive unit 210.

Copper heat-radiating substrate, by modes such as machine works, direct formation has the flow perturbation structure of the thick planar section of 0.5mm and the thick electric fan shape of 0.5mm, stupalith reflection substrate and copper heat-radiating substrate by organic/inorganic glue the mode such as bonding or welding fix.

When drive unit drives this light-emitting device High Rotation Speed, bonding or absorb with the material for transformation of wave length lamella that other processes are fixed on ceramic reflecting substrate front side and inspire utilizing emitted light, the heat simultaneously produced conducts to copper heat-radiating substrate by ceramic reflecting substrate and dispels the heat to help it, and the electric fan shaped materials of copper heat-radiating substrate causes flow perturbation, strengthen cross-ventilation, greatly strengthen the heat-sinking capability of material for transformation of wave length lamella and reflection substrate.

Embodiment four:

Fig. 8,9 is depicted as the embodiment of the present invention 4.The ingredient of this light-emitting device comprises the aluminium alloy reflection substrate 204 that (1) thickness is 0.7mm, the silver-plated high-reflecting film layer in front, the material for transformation of wave length lamella 110 that (2) ceramic base fluorescence lamella is formed, (3) drive unit 210.

Aluminium alloy reflection substrate in example is by extruding, and the machining mode such as punching press, directly make aluminium alloy reflection substrate surface form the projection of electric fan shape, form a kind of flow perturbation structure that aluminium alloy reflection substrate carries.

When drive unit drives this light-emitting device High Rotation Speed, the material for transformation of wave length lamella being coated in aluminium alloy reflection substrate front absorbs and inspires utilizing emitted light, the electric fan shape and structure that the aluminium alloy reflection substrate back side is protruded simultaneously causes flow perturbation, strengthen cross-ventilation, greatly strengthen the heat-sinking capability of material for transformation of wave length lamella and reflection substrate.

Embodiment five:

Figure 10,11 is depicted as the embodiment of the present invention 5.The ingredient of this light-emitting device comprises the sapphire transmission substrate 205 that (1) thickness is 0.5mm, the narrow ripple of the saturating blue light of plated surface leads to rete and antireflective coating, (2) gross thickness is the copper heat-radiating substrate 402 of 1mm, this heat-radiating substrate planar section 0.5mm, flabellum shape segment thickness is 0.5mm, (2) the material for transformation of wave length lamella 101 that mixes of yellow fluorescent powder and silica gel, (3) drive unit 210.

Copper heat-radiating substrate, by modes such as machine works, direct formation has the flow perturbation structure of the thick planar section of 0.5mm and the thick electric fan shape of 0.5mm, sapphire transmission substrate and copper heat-radiating substrate by organic/inorganic glue the mode such as bonding or welding fix.

When drive unit drives this light-emitting device High Rotation Speed, the material for transformation of wave length lamella being coated on the sapphire transmission substrate back side absorbs and inspires utilizing emitted light, the heat simultaneously produced conducts to copper heat-radiating substrate by sapphire transmission substrate and dispels the heat to help it, and the electric fan shaped materials of copper heat-radiating substrate causes flow perturbation, strengthen cross-ventilation, greatly strengthen the heat-sinking capability of material for transformation of wave length lamella and substrate.

Claims (5)

1. there is a Wavelength converter for cooling structure substrate, it is characterized in that, comprise substrate, be arranged on substrate the same face or not the fluorescent powder color wheel lamella of coplanar and flow perturbation structure.
2. a kind of Wavelength converter with cooling structure substrate according to claim 1, is characterized in that, described flow perturbation structure is the flabellum protruded from substrate, and annular spread is on substrate.
3. a kind of Wavelength converter with cooling structure substrate according to claim 1, is characterized in that, establish heat-radiating substrate between described substrate and flow perturbation structure, and described flow perturbation vibrational power flow is on heat-radiating substrate.
4. a kind of Wavelength converter with cooling structure substrate according to claim 1, is characterized in that, described substrate is the combination of reflection substrate, transmission substrate or reflection and transmission substrate.
5. utilize a light-emitting device for conversion equipment described in above-mentioned arbitrary claim, it is characterized in that, comprising: excitation source, for launching exciting light; Wavelength converter, for absorbing this exciting light and launching Stimulated Light.
CN201410585110.9A 2014-10-28 2014-10-28 Wavelength conversion device with a cooling structure baseplate and light emitting device CN104614926A (en)

Priority Applications (1)

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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105068368A (en) * 2015-08-27 2015-11-18 杨毅 Luminescence apparatus, projection display apparatus and lamp fixture
CN105301881A (en) * 2015-10-12 2016-02-03 杨毅 Light emitting device and projection display device
CN105301750A (en) * 2015-10-12 2016-02-03 杨毅 Optical module, light emitting device and projection display device
CN105319824A (en) * 2015-11-07 2016-02-10 杨毅 Light-emitting device and projection display device
CN105353578A (en) * 2015-12-07 2016-02-24 杨阳 Light source system and application thereof
CN105371254A (en) * 2015-11-27 2016-03-02 海信集团有限公司 Wavelength conversion device, preparation method thereof and laser light source device
CN106444239A (en) * 2015-08-04 2017-02-22 杨毅 Illuminating device, lighting fitting, projection display device
CN106610557A (en) * 2015-10-26 2017-05-03 深圳市光峰光电技术有限公司 Color wheel assembly and projection device
CN106678668A (en) * 2015-10-29 2017-05-17 长城汽车股份有限公司 Laser color converter used for laser lighting
CN106990653A (en) * 2016-01-20 2017-07-28 精工爱普生株式会社 Optical devices, light supply apparatus and projecting apparatus
WO2017211131A1 (en) * 2016-06-07 2017-12-14 深圳市光峰光电技术有限公司 Color wheel device
CN107608168A (en) * 2017-10-18 2018-01-19 广景视睿科技(深圳)有限公司 A kind of colour wheel module
WO2018103293A1 (en) * 2016-12-09 2018-06-14 深圳市光峰光电技术有限公司 Color wheel device and projection apparatus

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106444239A (en) * 2015-08-04 2017-02-22 杨毅 Illuminating device, lighting fitting, projection display device
CN105068368A (en) * 2015-08-27 2015-11-18 杨毅 Luminescence apparatus, projection display apparatus and lamp fixture
CN105301881A (en) * 2015-10-12 2016-02-03 杨毅 Light emitting device and projection display device
CN105301750A (en) * 2015-10-12 2016-02-03 杨毅 Optical module, light emitting device and projection display device
CN106610557A (en) * 2015-10-26 2017-05-03 深圳市光峰光电技术有限公司 Color wheel assembly and projection device
CN106610557B (en) * 2015-10-26 2020-04-28 深圳光峰科技股份有限公司 Color wheel assembly and projection device
CN106678668A (en) * 2015-10-29 2017-05-17 长城汽车股份有限公司 Laser color converter used for laser lighting
CN105319824A (en) * 2015-11-07 2016-02-10 杨毅 Light-emitting device and projection display device
CN105371254A (en) * 2015-11-27 2016-03-02 海信集团有限公司 Wavelength conversion device, preparation method thereof and laser light source device
CN105353578A (en) * 2015-12-07 2016-02-24 杨阳 Light source system and application thereof
CN106990653B (en) * 2016-01-20 2019-03-12 精工爱普生株式会社 Optical devices, light supply apparatus and projector
CN106990653A (en) * 2016-01-20 2017-07-28 精工爱普生株式会社 Optical devices, light supply apparatus and projecting apparatus
WO2017211131A1 (en) * 2016-06-07 2017-12-14 深圳市光峰光电技术有限公司 Color wheel device
WO2018103293A1 (en) * 2016-12-09 2018-06-14 深圳市光峰光电技术有限公司 Color wheel device and projection apparatus
CN107608168A (en) * 2017-10-18 2018-01-19 广景视睿科技(深圳)有限公司 A kind of colour wheel module
WO2019075993A1 (en) * 2017-10-18 2019-04-25 广景视睿科技(深圳)有限公司 Color wheel module

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Application publication date: 20150513

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