CN203423143U - Ultraviolet light source using ultraviolet monocrystal fluorescence film - Google Patents
Ultraviolet light source using ultraviolet monocrystal fluorescence film Download PDFInfo
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- CN203423143U CN203423143U CN201320139130.4U CN201320139130U CN203423143U CN 203423143 U CN203423143 U CN 203423143U CN 201320139130 U CN201320139130 U CN 201320139130U CN 203423143 U CN203423143 U CN 203423143U
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- ultraviolet
- monocrystalline
- light source
- fluorescence membrane
- film layer
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Abstract
The utility model relates to a light source. An ultraviolet light source using an ultraviolet monocrystal fluorescence film comprises an ultraviolet light source body, the ultraviolet light source body comprises an electron beam generator and a light outlet screen, The light outlet screen comprises a monocrystal fluorescence film layer, and the monocrystal fluorescence film layer is an ultraviolet monocrystal fluorescence film with stimulated emission ultraviolet light. The monocrystal fluorescence film is provided with good anti-burning capability against the electron beam generator, when incident energy reaches 10-30KVe, no quenching burning phenomenon is generated, and the monocrystal fluorescence film is an ideal luminescent material. The ultraviolet monocrystal fluorescence film layer is used as a luminescent material of the ultraviolet light source, and the ultraviolet light source is advantaged by anti-burning against electron beams, long service lifetime, etc.
Description
Technical field
The utility model relates to light source, is specifically related to ultraviolet source.
Background technology
Ultraviolet ray is divided into long wave UV A according to wavelength, medium wave UV B, and shortwave UV C and vacuum ultraviolet (VUV) VUV, have extensive use in many industries.
The common ultraviolet light source overwhelming majority is mercury lamp, is all to encourage or high frequency pumping mercury atom by electrode discharge, when mercury atom is got back to ground state from excitation state, produces 185nm, the ultraviolet ray of 253nm or 365nm.The spectral line of mercury lamp is ultraviolet region continuous spectrum, and the common fault of all mercury lamps is that application efficiency is very low.When the ultrahigh pressure mercury lamp of high-output power is worked, electrode temperature reaches 2000 degree, so the life-span is often shorter than 100 hours.Even the high-pressure mercury lamp of common lower-wattage, the life-span is also difficult to over 2000 hours.
If the stimulated luminescence crystalline material of ultraviolet light source has the good anti-electron beam generator ability of burning, will inevitably extend the life-span of ultraviolet light source.
Utility model content
The purpose of this utility model is, the ultraviolet light source that adopts ultraviolet monocrystalline fluorescence membrane is provided.
The technical problem that the utility model solves can realize by the following technical solutions:
Adopt the ultraviolet light source of ultraviolet monocrystalline fluorescence membrane, comprise a ultraviolet light source body, described ultraviolet light source body comprises that an electron beam generator, goes out optical screen, it is characterized in that, describedly go out optical screen and comprise a monocrystalline fluorescent film layer, the ultraviolet monocrystalline fluorescent film layer that described monocrystalline fluorescent film layer is stimulated emission ultraviolet light.Monocrystalline fluorescence membrane has the good anti-electron beam generator ability of burning, when reaching 10～30KVe, projectile energy occurs without the cancellation phenomenon of burning, and be a kind of desirable luminescent material.The utility model adopts after the luminescent material of ultraviolet monocrystalline fluorescent film layer as ultraviolet source, has the anti-electron beam advantages such as ability, long service life of burning.
As a kind of preferred version, described ultraviolet monocrystalline fluorescent film layer is the fluorescent film layer that ultraviolet monocrystalline that the many Validation Counters based on liquid phase epitaxial method growth mix forms.Described ultraviolet monocrystalline fluorescent film layer is a kind of in YAG:Pr monocrystalline fluorescence membrane, LuAG:Pr SCFs monocrystalline fluorescence membrane, YAG:Pr SCF monocrystalline fluorescence membrane, LuAG:Pr SCF monocrystalline fluorescence membrane, YAG:Pr SC monocrystalline fluorescence membrane, LuAg:Pr SC monocrystalline fluorescence membrane, YAP:Pr SCF monocrystalline fluorescence membrane, LuAP:Pr SCF monocrystalline fluorescence membrane, YAP:Pr SC monocrystalline fluorescence membrane.Described ultraviolet monocrystalline fluorescent film layer is preferably the wide ultraviolet monocrystalline fluorescence membrane between 235nm-330nm of ultra-violet light-emitting ripple, and the thickness of described ultraviolet monocrystalline fluorescent film layer is preferably between 10 microns～50 microns.
Describedly go out optical screen and can also comprise a glassy layer, described ultraviolet monocrystalline fluorescent film layer is coated at least one side of described glassy layer.As a kind of preferred version, the outside of described glassy layer is coated with described ultraviolet monocrystalline fluorescent film layer, described glassy layer inner side be electroplate with aluminium lamination.
Describedly go out optical screen and can also comprise a reflector layer, described reflector layer reflects back for ultraviolet monocrystalline fluorescent film layer being penetrated to the light coming.Can be the reflector layer that reflectorized material is made, the aluminium lamination that preferably aluminium, aluminium foil are made.
Described to go out optical screen bonding or be pressed on the electron beam output window of electron gun by vacuum " O " circle envelope, and described ultraviolet monocrystalline fluorescent film layer is provided with a metal electrode, utilizes metal electrode ground connection, makes electron beam can form a loop.Described metal electrode is for can adopt the materials such as gold, silver, platinum, copper to make.
Described electron beam generator is for generation of electron beam, described electron beam generator can be a short pulse electron beam generator for generation of short pulse electron beam or for generation of the DC electronic beam generator generator of DC electronic bundle, short pulse electron beam generator or DC electronic beam generator irradiate described ultraviolet monocrystalline fluorescent film layer in the mode of short pulse or direct current respectively.Electron beam generator can be an electron gun, cathode ray tube etc.
Electron beam generator also comprises a parallel beam expand device, electron beam after parallel beam expand device expands, towards with go out optical screen, the even incident ultraviolet fluorescence powder of electron beam generator like this, evenly to excite ultraviolet fluorescence powder.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach object with effect is easy to understand, below in conjunction with the further elaboration the utility model of concrete diagram.
The ultraviolet light source that adopts ultraviolet monocrystalline fluorescence membrane, comprises a ultraviolet light source body, and ultraviolet light source body comprises that an electron beam generator 3, goes out optical screen.
Go out optical screen and comprise a monocrystalline fluorescent film layer, monocrystalline fluorescent film layer is the ultraviolet monocrystalline fluorescent film layer 2 of stimulated emission ultraviolet light.Monocrystalline fluorescence membrane has good anti-electron beam generator 3 ability of burning, when reaching 10～30KVe, projectile energy occurs without the cancellation phenomenon of burning, and be a kind of desirable luminescent material.The utility model adopts after the luminescent material of ultraviolet monocrystalline fluorescent film layer 2 as ultraviolet source, has the anti-electron beam advantages such as ability, long service life of burning.Ultraviolet monocrystalline fluorescent film layer 2 is fluorescent film layer that ultraviolet monocrystalline that the many Validation Counters based on liquid phase epitaxial method growth mix forms.The ultraviolet monocrystalline fluorescence membrane that many Validation Counters mix is the monocrystalline fluorescence membrane that contains Y3+ ion, such as YAG:Pr, LuAG:PrSCFs, YAG:Pr SCF, LuAG:Pr SCF, YAG:Pr SC, LuAg:Pr SC, YAP:Pr SCF, LuAP:Pr SCF, YAP:Pr SC monocrystalline fluorescence membrane etc.The garnet phase crystal YAG of take is example, in the YAG lattice that is Y3AL5O12 in molecular formula, Y3+ ion occupies the dodecahedron of 8 oxonium ion coordinations centre bit in lattice, Al3+ ion occupies respectively to be had on the octahedra centre bit of 6 oxonium ion coordinations and the tetrahedron centre bit of 4 oxonium ion coordinations in crystal.Because the radius of Y3+ ion and trivalent rare earth ions (RE3+) is approaching, rare earth ion can mix in YAG lattice and occupy corresponding dodecahedron centre bit easily as impurity, forms fluorescence-activation center (as Ce3+, Eu3+, Tm3+, Sm3+, Tb3+ ion etc.).Meanwhile, thus trivalent Al3+ ionic radius size has determined that it is easily formed new fluorescence-activation and sensitivity speck (as Cr3+, Mn3+ ion etc.) by other trivalent metal ion or trivalent transition metal ions substitute on corresponding octahedra centre bit and tetrahedron centre bit.Ultraviolet monocrystalline fluorescent film layer 2 is preferably the wide ultraviolet monocrystalline fluorescence membrane between 235nm-330nm of ultra-violet light-emitting ripple, and the thickness of ultraviolet monocrystalline fluorescent film layer 2 is preferably between 10 microns～50 microns.
Go out optical screen and can also comprise a glassy layer 1, ultraviolet monocrystalline fluorescent film layer 2 is coated at least one side of glassy layer 1.As a kind of preferred version, the outside of glassy layer 1 is coated with ultraviolet monocrystalline fluorescent film layer 2, glassy layer inner side be electroplate with aluminium lamination.
Go out optical screen and can also comprise a reflector layer, reflector layer reflects back for ultraviolet monocrystalline fluorescent film layer 2 being penetrated to the light coming.Can be the reflector layer that reflectorized material is made, the aluminium lamination that preferably aluminium, aluminium foil are made.
Go out optical screen bonding or be pressed on the electron beam output window of electron gun by vacuum " O " circle envelope, ultraviolet monocrystalline fluorescent film layer 2 is provided with a metal electrode, utilizes metal electrode ground connection, makes electron beam can form a loop.Metal electrode is for can adopt the materials such as gold, silver, platinum, copper to make.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (9)
1. adopt the ultraviolet light source of ultraviolet monocrystalline fluorescence membrane, comprise a ultraviolet light source body, described ultraviolet light source body comprises that an electron beam generator, goes out optical screen, it is characterized in that, describedly go out optical screen and comprise a monocrystalline fluorescent film layer, the ultraviolet monocrystalline fluorescent film layer that described monocrystalline fluorescent film layer is stimulated emission ultraviolet light.
2. the ultraviolet light source of employing ultraviolet monocrystalline fluorescence membrane according to claim 1, is characterized in that: described ultraviolet monocrystalline fluorescent film layer is the fluorescent film layer that ultraviolet monocrystalline that the many Validation Counters based on liquid phase epitaxial method growth mix forms.
3. the ultraviolet light source of employing ultraviolet monocrystalline fluorescence membrane according to claim 1, is characterized in that: described ultraviolet monocrystalline fluorescent film layer is a kind of in YAG:Pr monocrystalline fluorescence membrane, LuAG:Pr SCFs monocrystalline fluorescence membrane, YAG:Pr SCF monocrystalline fluorescence membrane, LuAG:Pr SCF monocrystalline fluorescence membrane, YAG:Pr SC monocrystalline fluorescence membrane, LuAg:Pr SC monocrystalline fluorescence membrane, YAP:Pr SCF monocrystalline fluorescence membrane, LuAP:Pr SCF monocrystalline fluorescence membrane, YAP:Pr SC monocrystalline fluorescence membrane.
4. the ultraviolet light source of employing ultraviolet monocrystalline fluorescence membrane according to claim 1, is characterized in that: described ultraviolet monocrystalline fluorescent film layer is the wide ultraviolet monocrystalline fluorescence membrane between 235nm-330nm of ultra-violet light-emitting ripple.
5. the ultraviolet light source of employing ultraviolet monocrystalline fluorescence membrane according to claim 1, is characterized in that: the thickness of described ultraviolet monocrystalline fluorescent film layer is between 10 microns～50 microns.
6. according to the ultraviolet light source of the employing ultraviolet monocrystalline fluorescence membrane described in any one in claim 1 to 5, it is characterized in that: described in go out optical screen and also comprise a glassy layer, described ultraviolet monocrystalline fluorescent film layer is coated at least one side of described glassy layer.
7. the ultraviolet light source of employing ultraviolet monocrystalline fluorescence membrane according to claim 6, is characterized in that: the outside of described glassy layer is coated with described ultraviolet monocrystalline fluorescent film layer, and the inner side of described glassy layer is electroplate with aluminium lamination.
8. according to the ultraviolet light source of the employing ultraviolet monocrystalline fluorescence membrane described in any one in claim 1 to 5, it is characterized in that: described in to go out optical screen bonding or be pressed on the electron beam output window of electron gun by vacuum " O " circle envelope, described ultraviolet monocrystalline fluorescent film layer is provided with an earthy metal electrode.
9. according to the ultraviolet light source of the employing ultraviolet monocrystalline fluorescence membrane described in any one in claim 1 to 5, it is characterized in that: described electron beam generator is for generation of electron beam, described electron beam generator is a short pulse electron beam generator for generation of short pulse electron beam or for generation of the DC electronic beam generator generator of DC electronic bundle, short pulse electron beam generator or DC electronic beam generator irradiate described ultraviolet monocrystalline fluorescent film layer in the mode of short pulse or direct current respectively
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320139130.4U CN203423143U (en) | 2013-03-25 | 2013-03-25 | Ultraviolet light source using ultraviolet monocrystal fluorescence film |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320139130.4U CN203423143U (en) | 2013-03-25 | 2013-03-25 | Ultraviolet light source using ultraviolet monocrystal fluorescence film |
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| Publication Number | Publication Date |
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| CN203423143U true CN203423143U (en) | 2014-02-05 |
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| CN201320139130.4U Expired - Lifetime CN203423143U (en) | 2013-03-25 | 2013-03-25 | Ultraviolet light source using ultraviolet monocrystal fluorescence film |
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2013
- 2013-03-25 CN CN201320139130.4U patent/CN203423143U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180323 Address after: 201203 Shanghai Jinke Road, Zhangjiang High Tech Park of Pudong New Area No. 2537 Room 301 Patentee after: VIA ALLIANCE SEMICONDUCTOR Co.,Ltd. Address before: 201210 room 6, building 829, No. 504, Xuhui District, Shanghai, Yishan Road Patentee before: SHANGHAI FOREALIGHT SCIENCE AND TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140205 |
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| CX01 | Expiry of patent term |