CN204989522U - Window protection screen with it is infrared by function - Google Patents
Window protection screen with it is infrared by function Download PDFInfo
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- CN204989522U CN204989522U CN201520696484.8U CN201520696484U CN204989522U CN 204989522 U CN204989522 U CN 204989522U CN 201520696484 U CN201520696484 U CN 201520696484U CN 204989522 U CN204989522 U CN 204989522U
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- coating
- film system
- windows
- protected screen
- membrane system
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- 229910052594 sapphire Inorganic materials 0.000 claims abstract description 25
- 239000010980 sapphire Substances 0.000 claims abstract description 25
- 239000011248 coating agent Substances 0.000 claims description 188
- 238000000576 coating method Methods 0.000 claims description 188
- 239000000758 substrate Substances 0.000 claims description 25
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 8
- 238000001771 vacuum deposition Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 abstract description 7
- 230000003287 optical effect Effects 0.000 abstract description 4
- 239000012528 membrane Substances 0.000 abstract 9
- 238000005253 cladding Methods 0.000 abstract 5
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 abstract 1
- 230000007704 transition Effects 0.000 abstract 1
- 230000006978 adaptation Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 239000000047 product Substances 0.000 description 4
- 230000006698 induction Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001755 magnetron sputter deposition Methods 0.000 description 2
- 238000004549 pulsed laser deposition Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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Abstract
The utility model provides a window protection screen with it is infrared by function belongs to optical device technical field. The membrane structure that it had solved current protection screen facing can not realize effectively that the infrared light ends the big and technical problem with high costs of the processing degree of difficulty of membrane. This window protection screen with it is infrared by function includes the sapphire base plate, first membrane system and second membrane system have been plated on the sapphire base plate, mgF2 cladding material has been plated between sapphire base plate and the first membrane system, zrO2 cladding material has all been plated between first membrane system and the second membrane system, first membrane system, the second membrane system is by the ti3O5 cladding material of a plurality of transitions, siO2 cladding material constitutes the window and protects the screen to be greater than 90% to the transmissivity of 420nm -720nm visible light wave band, window protection screen is less than 5% to the transmissivity of 720 -1100nm near infrared wave band. The utility model discloses it is low to have the stable just comparative difference in cost of optical property, and the transparency is good, and the cladding material composition of formation is even, can end the infrared light, eliminate the influence of infrared light to the image.
Description
Technical field
The utility model belongs to optical devices technologies field, relates to a kind of windows be protected screen with IR-cut function.
Background technology
Along with developing rapidly of science and technology, the electronic products such as such as mobile phone, palm PC, automatic navigator, notebook computer apply touch-screen widely, various windows be protected screen it is also proposed special optical demands to the performance of plated film.Such as: CCD, CMOS induction to light is different with human eye, human eye can only see the visible ray of 380-780, CCD, CMOS then can respond to infrared light and ultraviolet light, especially very responsive to infrared light, so infrared light must be suppressed, and keep the high transmission of visible ray, make CCD/COMS to the eyes of the induction of light close to people, thus make the image of shooting also meet the induction of eyes.Therefore, IR-cut is indispensable for these electronic products above-mentioned, and its market outlook are also closely related with these electronic products with market capacity.
The relevant cutoff filter of technology disclosed in patent (application number is 201010123215.4), comprise substrate, be provided with infrared cut coating over the substrate surface, this infrared cut coating utilizes the principle of interference of light through visible ray by infrared portions, the thickness of this infrared cut coating is less than 500nm, this infrared cut coating comprises metallic diaphragm and media coating, and the material of described metallic diaphragm is Ag, and the material of described media coating is SiO
2or TiO
2.Although the technical scheme that above-mentioned patent provides solves the problem of IR-cut, its scheme infrared cut coating adopts Ag as metallic diaphragm, and cost is high, and it is good not to the cut-off effect of infrared light.
Summary of the invention
The problems referred to above that the utility model exists for existing technology, provide a kind of windows be protected screen with IR-cut function, this windows be protected screen cost is lower, effective to the cut-off of infrared light.
The purpose of this utility model realizes by following technical proposal: a kind of windows be protected screen with IR-cut function; it is characterized in that; this windows be protected screen comprises sapphire substrate; described sapphire substrate is coated with the first film system and the second film system, between described sapphire substrate and the first film system, is coated with MgF
2coating, is all coated with ZrO between the first film system and the second film system
2coating, described first film system, the second film system are by some Ti replaced
3o
5coating, SiO
2coating is formed; in described first film system, the quantity of coating equals the quantity of coating in the second film system; described windows be protected screen is greater than 90% to the transmitance of 420nm-720nm visible light wave range, and described windows be protected screen is less than 5% to the transmitance of 720-1100nm near infrared light wave band.
Originally there is the windows be protected screen of IR-cut function by adopting Ti
3o
5coating and SiO
2coating phase compound realizes ending the selectivity of infrared light, and passes through MgF between sapphire substrate and the first film system
2coating increases adaptation, between the first film system and the second film system, pass through ZrO
2coating increases stability, and this sample windows be protected screen can realize thoroughly high at 420nm-720nm visible light wave range, realize cut-off, stop the infrared light of interference image quality, the quality of effective image, strengthen the visual effect of image at 720-1100nm near infrared light wave band.
A kind ofly have in the windows be protected screen of IR-cut function above-mentioned, described windows be protected screen to be coated with at sapphire substrate by vacuum coating mode and to form.Outside the vacuum coating that removing is told, the modes such as magnetron sputtering, chemical vapor deposition and pulsed laser deposition can also be adopted to realize.
In above-mentioned a kind of windows be protected with IR-cut function shields, the thickness of described first film system is less than the thickness of the second film system.First film system is used for tentatively ending infrared light, reflects away fraction infrared light, and the second film system is used for ending remaining infrared light, reflect most infrared light.
In above-mentioned a kind of windows be protected with IR-cut function shields, each coating from-inner-to-outer of described first film system is arranged in order as follows: 23.41nmTi
3o
5coating, 36.93nmSiO
2coating, 39.91nmTi
3o
5coating, 74.13nmSiO
2coating, 13.89nmTi
3o
5coating, 89.74nmSiO
2coating, 33.02nmTi
3o
5coating, 58.00nmSiO
2coating, 27.68nmTi
3o
5coating, 82.27nmSiO
2coating, 32.28nmTi
3o
5coating, 68.38nmSiO
2coating, 23.17nmTi
3o
5coating, 69.71nmSiO
2coating, 41.93nmTi
3o
5coating, 46.16nmSiO
2coating, 17.37nmTi
3o
5coating, wherein the error of the thickness of each rete is ± 0.05nm, innermost layer Ti
3o
5coating and MgF
2coating combines, outermost layer Ti
3o
5coating and ZrO
2coating combines.MgF
2coating can strengthen sapphire substrate and Ti
3o
5the adaptation of coating, such first film system can firmly be plated on sapphire substrate.
In above-mentioned a kind of windows be protected with IR-cut function shields, each coating from-inner-to-outer of described second film system is arranged in order as follows: 120.63nmSiO
2coating, 103.01nmTi
3o
5coating, 120.66nmSiO
2coating, 14.92nmTi
3o
5coating, 17.56nmSiO
2coating, 69.33nmTi
3o
5coating, 150.06nmSiO
2coating, 84.56nmTi
3o
5coating, 143.36nmSiO
2coating, 101.05nmTi
3o
5coating, 127.46nmSiO
2coating, 8.78nmTi
3o
5coating, 11.52nmSiO
2coating, 77.25nmTi
3o
5coating, 153.42nmSiO
2coating, 90.11nmTi
3o
5coating, 77.52nmSiO
2coating, wherein the error of the thickness of each rete is the SiO of ± 0.05nm, innermost layer
2coating and ZrO
2coating combines.ZrO
2coating and Ti
3o
5coating and SiO
2coating all can combine well, can strengthen the stability between the first film system and the second film system like this.
In above-mentioned a kind of windows be protected with IR-cut function shields, described MgF
2the thickness of coating is 40.58nm.MgF
2coating can well with sapphire substrate, Ti
3o
5coating combines, the adaptation of both increases.
In above-mentioned a kind of windows be protected with IR-cut function shields, described ZrO
2the thickness of coating is 33.42nm.ZrO
2coating can strengthen the stability between the first film system and the second film system, improves the serviceable life of windows be protected screen.
Compared with prior art, advantage of the present utility model is as follows: this windows be protected screen, by simple coating design, effectively improves the filtration result of substrate to infrared light, effectively reduces infrared light false colour phenomenon, improve the imaging effect of image; By the scheme that multicoating is arranged in pairs or groups, scalability is strong, and raw materials cost is low, product practicality is good.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the windows be protected screen in embodiment one with IR-cut function.
Fig. 2 is the spectral transmission schematic diagram of the windows be protected screen originally with IR-cut function.
In figure, 1, sapphire substrate; 2, MgF
2coating; 3, the first film system; 4, ZrO
2coating; 5, the second film system.
Embodiment
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Figure 1 and Figure 2, the windows be protected screen originally with IR-cut function comprises sapphire substrate 1, sapphire substrate 1 is coated with the first film system 3 and the second film system 5, is coated with MgF between sapphire substrate 1 and the first film system 3
2coating 2, is all coated with ZrO between the first film system 3 and the second film system 5
2coating 4, the first film system 5 of film system 3, second is by some Ti replaced
3o
5coating, SiO
2coating is formed.Wherein, in the first film system 3, the quantity of coating is identical with the quantity of coating in the second film system 5.In the present embodiment, windows be protected screen to be coated with at sapphire substrate 1 by vacuum coating mode to form.Outside the vacuum coating mode that removing exemplifies, the modes such as magnetron sputtering, chemical vapor deposition and pulsed laser deposition can also be adopted to realize.It should be noted that: the thickness of the first film system 3 is less than the thickness of the second film system 5, the reason of adopting in this way is, the first film system 3, for tentatively ending infrared light, reflects away fraction infrared light, second film system 5 for ending remaining infrared light, reflect most infrared light.
Further, the design parameter of each coating of sapphire substrate 1 is as follows:
MgF
2the thickness of coating 2 is 40.58nm, MgF
2coating 2 can well with sapphire substrate 1, Ti
3o
5coating combines, the adaptation of both increases; ZrO
2the thickness of coating 4 is 33.42nm, ZrO
2coating 4 can strengthen the stability between the first film system 3 and the second film system 5, improves the serviceable life of windows be protected screen.In the present embodiment, MgF
2coating 2 and ZrO
2coating 4 exists as auxiliary coating.
Table 1
Wherein, λ represents the quarter-wave of the wave band that needs affect, and unit is μm.
As shown in table 1, each coating from-inner-to-outer of the first film system 3 is arranged in order as follows: 23.41nmTi
3o
5coating, 36.93nmSiO
2coating, 39.91nmTi
3o
5coating, 74.13nmSiO
2coating, 13.89nmTi
3o
5coating, 89.74nmSiO
2coating, 33.02nmTi
3o
5coating, 58.00nmSiO
2coating, 27.68nmTi
3o
5coating, 82.27nmSiO
2coating, 32.28nmTi
3o
5coating, 68.38nmSiO
2coating, 23.17nmTi
3o
5coating, 69.71nmSiO
2coating, 41.93nmTi
3o
5coating, 46.16nmSiO
2coating, 17.37nmTi
3o
5coating.In the present embodiment, the error of the thickness of each rete is ± 0.05nm.It is to be noted especially: the Ti of innermost layer
3o
5coating and MgF
2coating 2 combines, outermost Ti
3o
5coating and ZrO
2coating 4 combines, MgF
2coating 2 can strengthen sapphire substrate 1 and Ti
3o
5the adaptation of coating, such first film system can firmly be plated on sapphire substrate 1.
Table 2
Wherein, λ represents the quarter-wave of the wave band that needs affect, and unit is μm.
As shown in table 2, each coating from-inner-to-outer of the second film system 5 is arranged in order as follows: 120.63nmSiO
2coating, 103.01nmTi
3o
5coating, 120.66nmSiO
2coating, 14.92nmTi
3o
5coating, 17.56nmSiO
2coating, 69.33nmTi
3o
5coating, 150.06nmSiO
2coating, 84.56nmTi
3o
5coating, 143.36nmSiO
2coating, 101.05nmTi
3o
5coating, 127.46nmSiO
2coating, 8.78nmTi
3o
5coating, 11.52nmSiO
2coating, 77.25nmTi
3o
5coating, 153.42nmSiO
2coating, 90.11nmTi
3o
5coating, 77.52nmSiO
2coating.Same, the error of the thickness of each rete is ± 0.05nm.It is to be noted especially: the SiO of innermost layer
2coating and ZrO
2coating combines.ZrO
2coating 4 and Ti
3o
5coating and SiO
2coating all can combine well, can strengthen the stability between the first film system 3 and the second film system 5 like this.
This windows be protected screen is by adopting Ti
3o
5coating and SiO
2coating phase compound realizes ending the selectivity of infrared light, and passes through MgF between sapphire substrate 1 and the first film system
2coating 2 increases adaptation, between the first film system 3 and the second film system 5, pass through ZrO
2coating 4 increases stability, realizes being greater than 90% to the transmitance of 420nm-720nm visible light wave range, realizes visible ray thoroughly high, and windows be protected screen is less than 5% to the transmitance of 720-1100nm near infrared light wave band, realizes near infrared light cut-off.The infrared light of interference image quality can be stopped like this, can the quality of effective image, improve the visual effect of image.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (7)
1. one kind has the windows be protected screen of IR-cut function; it is characterized in that; this windows be protected screen comprises sapphire substrate (1); described sapphire substrate (1) is coated with the first film system (3) and the second film system (5), between described sapphire substrate (1) and the first film system (3), is coated with MgF
2coating (2), is all coated with ZrO between the first film system (3) and the second film system (5)
2coating (4), described first film system (3), the second film system (5) are by some Ti replaced
3o
5coating, SiO
2coating is formed; in described first film system (3), the quantity of coating equals the quantity of coating in the second film system (5); described windows be protected screen is greater than 90% to the transmitance of 420nm-720nm visible light wave range, and described windows be protected screen is less than 5% to the transmitance of 720-1100nm near infrared light wave band.
2. a kind of windows be protected screen with IR-cut function according to claim 1, is characterized in that, described windows be protected screen to be coated with at sapphire substrate (1) by vacuum coating mode and to form.
3. a kind of windows be protected screen with IR-cut function according to claim 2, it is characterized in that, the thickness of described first film system (3) is less than the thickness of the second film system (5).
4. a kind of windows be protected screen with IR-cut function according to claim 3, it is characterized in that, described first each coating from-inner-to-outer of film system (3) is arranged in order as follows: 23.41nmTi
3o
5coating, 36.93nmSiO
2coating, 39.91nmTi
3o
5coating, 74.13nmSiO
2coating, 13.89nmTi
3o
5coating, 89.74nmSiO
2coating, 33.02nmTi
3o
5coating, 58.00nmSiO
2coating, 27.68nmTi
3o
5coating, 82.27nmSiO
2coating, 32.28nmTi
3o
5coating, 68.38nmSiO
2coating, 23.17nmTi
3o
5coating, 69.71nmSiO
2coating, 41.93nmTi
3o
5coating, 46.16nmSiO
2coating, 17.37nmTi
3o
5coating, wherein the error of the thickness of each rete is ± 0.05nm, innermost layer Ti
3o
5coating and MgF
2coating (2) combines, outermost layer Ti
3o
5coating and ZrO
2coating (4) combines.
5. a kind of windows be protected screen with IR-cut function according to claim 4, it is characterized in that, described second each coating from-inner-to-outer of film system (5) is arranged in order as follows: 120.63nmSiO
2coating, 103.01nmTi
3o
5coating, 120.66nmSiO
2coating, 14.92nmTi
3o
5coating, 17.56nmSiO
2coating, 69.33nmTi
3o
5coating, 150.06nmSiO
2coating, 84.56nmTi
3o
5coating, 143.36nmSiO
2coating, 101.05nmTi
3o
5coating, 127.46nmSiO
2coating, 8.78nmTi
3o
5coating, 11.52nmSiO
2coating, 77.25nmTi
3o
5coating, 153.42nmSiO
2coating, 90.11nmTi
3o
5coating, 77.52nmSiO
2coating, wherein the error of the thickness of each rete is the SiO of ± 0.05nm, innermost layer
2coating and ZrO
2coating (4) combines.
6. a kind of windows be protected screen with IR-cut function according to claim 1-5 any one, is characterized in that, described MgF
2the thickness of coating (2) is 40.58nm.
7. a kind of windows be protected screen with IR-cut function according to claim 1-5 any one, is characterized in that, described ZrO
2the thickness of coating (4) is 33.42nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520696484.8U CN204989522U (en) | 2015-09-02 | 2015-09-02 | Window protection screen with it is infrared by function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520696484.8U CN204989522U (en) | 2015-09-02 | 2015-09-02 | Window protection screen with it is infrared by function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204989522U true CN204989522U (en) | 2016-01-20 |
Family
ID=55123877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520696484.8U Active CN204989522U (en) | 2015-09-02 | 2015-09-02 | Window protection screen with it is infrared by function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204989522U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105738995A (en) * | 2016-04-27 | 2016-07-06 | 深圳力合光电传感股份有限公司 | Cutoff filter |
-
2015
- 2015-09-02 CN CN201520696484.8U patent/CN204989522U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105738995A (en) * | 2016-04-27 | 2016-07-06 | 深圳力合光电传感股份有限公司 | Cutoff filter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 318015 Jiaojiang City, Taizhou Province Hong home Star electronics industry base, building No. 4, building No. Patentee after: ZHEJIANG XINGXING TECHNOLOGY Co.,Ltd. Address before: 318015 Jiaojiang City, Taizhou Province Hong home Star electronics industry base, building No. 4, building No. Patentee before: XINGXING FIRSTAR PANEL TECHNOLOGY CO.,LTD. |
|
| CP03 | Change of name, title or address |
Address after: Building B1, Zhoujiang Intelligent Manufacturing Industrial Park, Pingxiang Economic and Technological Development Zone, Pingxiang City, Jiangxi Province, 337099 Patentee after: Jiangxi Star Technology Co.,Ltd. Address before: 318015, Zhejiang, Taizhou province Jiaojiang District hung Star electronic industry base building No. 4 Patentee before: ZHEJIANG XINGXING TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address |