CN203746892U - Infrared transmitter - Google Patents
Infrared transmitter Download PDFInfo
- Publication number
- CN203746892U CN203746892U CN201420093927.XU CN201420093927U CN203746892U CN 203746892 U CN203746892 U CN 203746892U CN 201420093927 U CN201420093927 U CN 201420093927U CN 203746892 U CN203746892 U CN 203746892U
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- CN
- China
- Prior art keywords
- infrared transmitter
- layer
- infrared
- covers
- filter layer
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
- 238000001914 filtration Methods 0.000 claims abstract description 12
- 238000000576 coating method Methods 0.000 claims description 36
- 239000011248 coating agent Substances 0.000 claims description 33
- 239000000463 material Substances 0.000 claims description 16
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 9
- 229910052788 barium Inorganic materials 0.000 claims description 9
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims description 9
- 229910052698 phosphorus Inorganic materials 0.000 claims description 9
- 239000011574 phosphorus Substances 0.000 claims description 9
- 230000003287 optical effect Effects 0.000 claims description 7
- 239000000758 substrate Substances 0.000 claims description 7
- 239000003973 paint Substances 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 230000004297 night vision Effects 0.000 abstract description 8
- 230000005284 excitation Effects 0.000 abstract 4
- 238000000034 method Methods 0.000 description 8
- 239000000243 solution Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910000423 chromium oxide Inorganic materials 0.000 description 1
- AJNVQOSZGJRYEI-UHFFFAOYSA-N digallium;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Ga+3].[Ga+3] AJNVQOSZGJRYEI-UHFFFAOYSA-N 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000004438 eyesight Effects 0.000 description 1
- 229910001195 gallium oxide Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Landscapes
- Electroluminescent Light Sources (AREA)
Abstract
The utility model discloses an infrared transmitter, which comprises an excitation light source, a fluorescent layer, a filter layer, wherein the fluorescent layer covers the surface of the light-emitting surface of the excitation light source; the filter layer covers the upper surface of the fluorescent layer; the fluorescent layer has red shift characteristics; and the filter layer filters lights with non infrared wavelengths. Through sequentially covering the light-emitting surface of the traditional and excitation light source with the fluorescent layer with red shift characteristics and the filter layer with specific wavelengths, lights transmitted by the excitation light source are changed into lights with the infrared wavelength, the above filter layer is used for filtering lights with non infrared wavelengths, and thus uniform infrared lights can be obtained. As the thicknesses of the fluorescent layer and the filter layer are small, the thickness of the sheet infrared transmitter manufactured finally is smaller than 1mm, and the infrared transmitter can then be applied to automobile and aviation night vision fields which have low demands on the thickness of the infrared transmitter.
Description
Technical field
The utility model relates to night vision technology field, relates in particular to a kind of infrared transmitter.
Background technology
At present, the infrared night vision device that automobile, aviation night vision field are used is mainly infrarede emitting diode (Infrared-Emitting Diode, be called for short IRED), the PN junction of this infrarede emitting diode generally adopts the material that infrared radiation efficiency is higher (conventional GaAs GaAs) to make, and forward bias is to PN junction Injection Current and then excite infrared light.
Due to, light-emitting diode has operating voltage low (have only about 1 volt), operating current very little (several milliamperes of the only zero points having), and shock resistance and antidetonation are swung the advantages such as better performances, make the reliability of light-emitting diode high, and long service life, and then be widely used in the photoelectric control equipment of manufacturing in various night visions field; Although, can the electric current power of passing through by the modulation power of modulated luminescence LED lighting easily, but due to operation principle and the process technology limit of LED, it can only use as point-source of light.
Traditional infrared night vision device is generally to adopt IRED(infraluminescence pipe) carry out point-like transmitting or have multiple IRED(point-like) be arranged in matrix transmitting, because being adopts multiple point-like IRED to arrange transmitting, the infrared light of its transmitting is inhomogeneous, and be subject to the restriction of IRED structure, make the thickness of existing infrared night vision device thicker (being generally greater than 1mm), and then cannot be applied in the occasion that ask for something gross thickness is less than 1mm.
Chinese patent (CN103450895A) has been recorded a kind of preparation of infrared lumious material, is set to gallium oxide by host material, and adds chromium oxide and do activator, adds in carbonic acid and does congruent melting agent; Continue to use twice high temperature knot burning legal system standby, this material, under 400nm-500nm excited by visible light, is launched the near infrared light of 700-1300nm; Although light-emitting diode prepared by the technical scheme that adopts the document to record, can be by exciting ultraviolet light, blue light, visible ray to produce the invisible near-infrared radiation of human vision, and there is infrared long afterglow radiation characteristic, but because it is the principle of the IRED structure based on traditional, and then the device architecture thickness that it is prepared is thicker, and luminous also inhomogeneous.
Chinese patent (CN102934241A) has been recorded a kind of manufacture method of infrared light-emitting component, the method provides a kind of manufacture method of infrared light-emitting component of the wavelength with 1.57 μ m, wherein, in oxygen containing atmosphere, carry out RTA processing, or, after implanting impurity ion, in oxygen containing atmosphere, implement RTA processing again, form thus C center; The luminescent device same thickness that adopts the technical scheme of recording in this patent documentation to prepare is thicker, and luminous also inhomogeneous.
Utility model content
In view of the above problems, the utility model has been recorded a kind of infrared transmitter of flake structure, to overcome the blocked up problem of the uniformity of luminance of infrared transmitter in prior art and emitter structures.
For achieving the above object, the technical scheme that the utility model technical solution problem adopts is:
A kind of infrared transmitter, wherein, described structure comprises:
Exciting light source;
Fluorescence coating, described fluorescence coating covers the surface of described exciting light source light-emitting area;
Filter layer, described filter layer covers the upper surface of described fluorescence coating;
Wherein, described fluorescence coating has red shift characteristic, the light of the non-infrared wavelength of described filter layer filtering.
Above-mentioned infrared transmitter, wherein, described exciting light source is EL electroluminescent sheet.
Above-mentioned infrared transmitter, wherein, described EL electroluminescent sheet comprises:
One substrate;
The first electrode layer, this first electrode layer covers the upper surface of described substrate;
Luminous phosphorus layer, described luminous phosphorus layer covers the upper surface of described the first electrode layer;
Barium layer, described barium layer covers the upper surface of described luminous phosphorus layer;
The second electrode lay, described the second electrode lay covers the upper surface of described barium layer;
Carbon-coating, described carbon-coating covers the upper surface of described the second electrode lay;
Wherein, described fluorescence coating covers the upper surface of described carbon-coating.
Above-mentioned infrared transmitter, wherein, the material of described the first electrode layer and described the second electrode lay is silver.
Above-mentioned infrared transmitter, wherein, the material of described fluorescence coating is fluorescent ink, fluorescent paint or fluorescent material.
Above-mentioned infrared transmitter, wherein, the material of described filter layer is optical filtering ink.
Above-mentioned infrared transmitter, wherein, described optical filtering ink is for being formed by several ink allotment.
Above-mentioned infrared transmitter, wherein, by adopting typography or coating processes to prepare described fluorescence coating and/or described filter layer.
Above-mentioned infrared transmitter, wherein, described infrared transmitter is laminated structure.
Above-mentioned infrared transmitter, wherein, the thickness of described infrared transmitter is less than 1mm.
Technique scheme tool has the following advantages or beneficial effect:
A kind of infrared transmitter of the utility model, cover successively the fluorescence coating with red shift characteristic and the filter layer with specific wavelength by the light-emitting area at tradition and exciting light source, and then make the light of exciting light source transmitting be converted into the light with infrared wavelength, and utilize above-mentioned filter layer by the light filtering of non-infrared wavelength, and then obtain uniform Infrared; In addition, because the thickness of above-mentioned fluorescence coating and filter layer is less, make the thickness of the sheet infrared transmitter of final preparation be less than 1mm, and then can be applicable in automobile, aviation night vision field in the extremely low situation of infrared transmitter thickness requirement.
Brief description of the drawings
By reading the detailed description of non-limiting example being done with reference to the following drawings, the utility model and feature thereof, profile and advantage will become more apparent.In whole accompanying drawings, identical mark is indicated identical part.Can proportionally not draw accompanying drawing, focus on illustrating purport of the present utility model.
Fig. 1 is the structural representation of the utility model infrared transmitter;
Fig. 2 is the structural representation of rectangle infrared transmitter in the utility model;
Fig. 3 is the structural representation of the circular infrared transmitter of the utility model;
Fig. 4 is the structural representation of the utility model hexagon infrared transmitter;
Fig. 5 is the structural representation of the oval infrared transmitter of the utility model.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the utility model is further described, but not as restriction of the present utility model.
Core concept of the present utility model is by by utilizing EL electroluminescent device that the exciting light source of a laminar transmitting visible ray is provided, and by the optical filtering ink layer that device surface is coated with to red shift characteristic, visible ray is converted to infrared light.
Below in conjunction with accompanying drawing, the technical solution of the utility model is described in detail.
As depicted in figs. 1 and 2, a kind of infrared transmitter of flake structure, comprise an exciting light source, fluorescence coating 7 and filter layer 8, fluorescence coating 7 covers on the light-emitting area of exciting light source, filter layer 8 covers the upper surface of above-mentioned fluorescence coating 7, and this fluorescence coating 7 has red shift characteristic, can change the visible ray through it into infrared light.
Wherein, exciting light source is from its light-emitting area transmitting luminous ray, and this luminous ray changes Infrared into after fluorescence coating 7 red shifts, after the light of filter layer 8 eliminations except infrared band, launches uniform Infrared.
Preferably, exciting light source can comprise rectangular base 1, the first electrode layer 2, luminous phosphorus layer 3, barium layer 4, the second electrode lay 5 and carbon-coating 6, the first above-mentioned electrode layer 2 covers the upper surface of rectangular base 1, above-mentioned luminous phosphorus layer 3 covers the upper surface of the first electrode layer 2, above-mentioned barium layer 4 covers the upper surface of luminous phosphorus layer 3, above-mentioned the second electrode lay 5 covers the upper surface of barium layer 4, and above-mentioned carbon-coating 6 covers the upper surface of the second electrode lay 5, and above-mentioned fluorescence coating 7 covers the upper surface of carbon-coating 6.
Select excellently, the first electrode layer 2 all can be the electrode materials such as silver with the material of the second electrode lay 5.
Select excellently, the material of fluorescence coating 7 can be fluorescent ink, fluorescent paint or fluorescent material etc.
Select excellently, in a kind of infrared transmitter of the utility model, the preparation technology of each structure sheaf all can use typography or coating processes to be prepared, and this infrared transmitter thickness is less than 1mm(such as 0.3mm, 0.5mm or 0.7mm etc.).
Preferably, the material of filter layer 8 is optical filtering ink, and this optical filtering ink can adopt some middle ink allotments to form.
Preferably, shown in Fig. 3～5, above-mentioned substrate 1 also can be circle, hexagon, the oval various shape that waits, be arranged on accordingly each structure sheaf in this substrate 1 also the shape of corresponding substrate 1 arrange, and then form circular, hexagon, the oval luminescent device structure of various shape that waits is (because the structure shown in the structure shown in Fig. 3～5 and Fig. 2 is similar, just will not tire out and state at this, specifically refer to the above-mentioned associated description for structure shown in Fig. 2), and no matter why shape of the shape of this luminescent device structure, it all presents the structure of sheet, it is certain that its thickness is all less than 1mm(, also can be according to process requirements, the thickness of suitable above-mentioned each layer of structure of increase, and then prepare the luminescent device structure that integral thickness is more than or equal to 1mm, to meet the demand of technique).
In sum, in the utility model, by adopting EL electroluminescent sheet as driving source, and setting has the fluorescence coating of red shift characteristic and the filter layer of the non-infrared wavelength light of filtration in the light-emitting area of driving source, be less than the flake structure of 1mm to obtain gross thickness, make it luminous evenly, and then in avoiding the IRED reflector emission of light non-uniform phenomenon of traditional point-like matrix form, convenient realization utilizes infrared transmitter to realize kinds of words pattern and geometry, meet the needs of various practical applications, compared with traditional IRED array approaches, greatly reduce manufacturing cost, the practicality that has effectively improved infrared transmitter with can range of application.
It should be appreciated by those skilled in the art that those skilled in the art, realizing described variation example in conjunction with prior art and above-described embodiment, do not repeat at this.Such variation example does not affect flesh and blood of the present utility model, does not repeat them here.
Above preferred embodiment of the present utility model is described.It will be appreciated that, the utility model is not limited to above-mentioned specific implementations, and the equipment of wherein not describing in detail to the greatest extent and structure are construed as to be implemented with the common mode in this area; Any those of ordinary skill in the art, do not departing from technical solutions of the utility model scope situation, all can utilize method and the technology contents of above-mentioned announcement to make many possible variations and modification to technical solutions of the utility model, or being revised as the equivalent embodiment of equivalent variations, this does not affect flesh and blood of the present utility model.Therefore, every content that does not depart from technical solutions of the utility model,, all still belongs in the scope of technical solutions of the utility model protection any simple modification made for any of the above embodiments, equivalent variations and modification according to technical spirit of the present utility model.
Claims (10)
1. an infrared transmitter, is characterized in that, described infrared transmitter comprises:
Exciting light source;
Fluorescence coating, described fluorescence coating covers the surface of described exciting light source light-emitting area;
Filter layer, described filter layer covers the upper surface of described fluorescence coating;
Wherein, described fluorescence coating has red shift characteristic, the light of the non-infrared wavelength of described filter layer filtering.
2. infrared transmitter as claimed in claim 1, is characterized in that, described exciting light source is EL electroluminescent sheet.
3. infrared transmitter as claimed in claim 2, is characterized in that, described EL electroluminescent sheet comprises:
One substrate;
The first electrode layer, this first electrode layer covers the upper surface of described substrate;
Luminous phosphorus layer, described luminous phosphorus layer covers the upper surface of described the first electrode layer;
Barium layer, described barium layer covers the upper surface of described luminous phosphorus layer;
The second electrode lay, described the second electrode lay covers the upper surface of described barium layer;
Carbon-coating, described carbon-coating covers the upper surface of described the second electrode lay;
Wherein, described fluorescence coating covers the upper surface of described carbon-coating.
4. infrared transmitter as claimed in claim 3, is characterized in that, the material of described the first electrode layer and described the second electrode lay is silver.
5. infrared transmitter as claimed in claim 1, is characterized in that, the material of described fluorescence coating is fluorescent ink, fluorescent paint or fluorescent material.
6. infrared transmitter as claimed in claim 1, is characterized in that, the material of described filter layer is optical filtering ink.
7. infrared transmitter as claimed in claim 6, is characterized in that, described optical filtering ink is for being formed by several ink allotment.
8. infrared transmitter as claimed in claim 1, is characterized in that, by adopting typography or coating processes to prepare described fluorescence coating and/or described filter layer.
9. the infrared transmitter as described in any one in claim 1～8, is characterized in that, described infrared transmitter is laminated structure.
10. the infrared transmitter as described in any one in claim 1～8, is characterized in that, the thickness of described infrared transmitter is less than 1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420093927.XU CN203746892U (en) | 2014-03-03 | 2014-03-03 | Infrared transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420093927.XU CN203746892U (en) | 2014-03-03 | 2014-03-03 | Infrared transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203746892U true CN203746892U (en) | 2014-07-30 |
Family
ID=51346655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420093927.XU Expired - Fee Related CN203746892U (en) | 2014-03-03 | 2014-03-03 | Infrared transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203746892U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107924971A (en) * | 2015-09-02 | 2018-04-17 | 奥斯兰姆奥普托半导体有限责任公司 | Photoelectron subassembly and the method for manufacturing photoelectron subassembly |
-
2014
- 2014-03-03 CN CN201420093927.XU patent/CN203746892U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107924971A (en) * | 2015-09-02 | 2018-04-17 | 奥斯兰姆奥普托半导体有限责任公司 | Photoelectron subassembly and the method for manufacturing photoelectron subassembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 |