CN103246002B - There is the polaroid of optical thin film - Google Patents
There is the polaroid of optical thin film Download PDFInfo
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- CN103246002B CN103246002B CN201310172995.5A CN201310172995A CN103246002B CN 103246002 B CN103246002 B CN 103246002B CN 201310172995 A CN201310172995 A CN 201310172995A CN 103246002 B CN103246002 B CN 103246002B
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- polaroid
- film
- nano
- nano composite
- thin film
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Abstract
The present invention relates to a kind of polaroid with optical thin film, described polaroid matrix is formed through successively boron dopen Nano ceramic membrane, the nano composite film of electric arc ion-plating deposition and the nano composite oxide film of magnetron sputtering deposition that chemical vapour deposition technique is formed.The polaroid transmittance with optical thin film of the present invention is good, optical efficiency is high, imagewise uniform, and image sharpness throughout is all consistent, and make the stereo-picture synthesized without ghost image, contrast is high, significantly can alleviate the sense of fatigue of eyes; And described polaroid surface not only good heat resistance, also there is good wearing quality.
Description
Technical field
The present invention relates to optical field, the present invention relates to the optical thin film on a kind of polaroid in particular.
Background technology
The principle of existing polarized stereoscopic imaging is as shown in accompanying drawing 1-2, from projector, the image output devices such as projector export left-right frames different images sequence, after the circular polarizing disk of left and right, the left-right frames of composition diagram picture is decomposed and comes, left frame or right two field picture, again through light polarization modulator modulating-coding, are encoded into the one in following several stereo format: (1) left two field picture becomes left-hand polarization light, and right two field picture becomes right-handed polarized light; (2) left two field picture becomes right-handed polarized light, and right two field picture becomes left-hand polarization light; Spectators are by wearing with it corresponding polarized stereoscopic glasses, and left eye just can be made to see left-eye image, and right eye sees eye image, thus synthetic stereo image in the brain.But the polaroid used in polarized stereoscopic imaging of the prior art uses plastic material to make, through forming polaroid with copper-bath dyeing, its defect is: low, the easy dust stratification of optical efficiency, easily scratch, feed consumption is many, complex process; Thus directly causing the effect of existing polarized stereoscopic imaging to there is following shortcoming: a. imaging efficiency is low, due to the characteristic of plastic material, causes overall optical efficiency lower; B. imaging is all uneven, and the image that right and left eyes is seen is inconsistent in different position sharpness; C. imaging has ghost image, and right and left eyes picture contrast is poor, and crosstalk degree is high; D. the polaroid life-span is low, due to the close together between polaroid and projector, cause the heat of light source on projector to be polarized sheet material and absorb, cause polaroid at high temperature to work for a long time, and make polarizer material itself can not be high temperature resistant, thus cause the life-span lower.
Summary of the invention
In order to solve the above-mentioned technical matters existed in prior art, the object of the present invention is to provide a kind of polaroid with optical thin film.
There is a polaroid for optical thin film, wherein on described polaroid matrix, be formed with nano ceramic film, nano composite film and nano composite oxide film successively.
Wherein, described polaroid matrix is optical glass or optical resin.
Wherein, described nano ceramic film is boron doped nanometer ZnS
1-Xo
xfilm, the doping of boron is 3-5at%, X=0.15-0.3.
Wherein, described nano composite film is the composite metal membrane of Nano Silver and copper.
Wherein, described nano composite oxide film is nano-ZnO, TiO
2with the complex oxide film of BaO.
Wherein, described boron doped nanometer ZnS
1-Xo
xfilm is prepared by chemical gaseous phase depositing process.
Wherein, described Nano Silver and the composite metal membrane of copper are prepared by arc ions electroplating method.
Wherein, described nano composite oxide film is obtained by magnetically controlled sputter method.
Wherein, described boron doped nanometer ZnS
1-Xo
xthe thickness of film is 25-50nm.
Wherein, the thickness of the composite metal membrane of described Nano Silver and copper is 10-20nm, and wherein the mass ratio of silver and copper is 2: 1-3: 1.
Wherein, the thickness of described nano composite oxide film is 50-100nm, and in described nano-oxide, the content of ZnO is 42-50wt%, TiO
2content be the BaO of 20-25wt% and surplus.
Compared with prior art, the present invention has following beneficial effect:
The polaroid transmittance with optical thin film of the present invention is good, optical efficiency is high, and in the spectral range of 450-550nm, the transmissivity of polarized light is higher than 90%, and in the spectral range of 550-700nm, the transmissivity of polarized light is higher than 93%.In addition, polaroid imagewise uniform of the present invention, image sharpness throughout is all consistent (turbidity is lower than 2%), and make the stereo-picture synthesized without ghost image, contrast is high, and crosstalk degree is little, significantly can alleviate the sense of fatigue of eyes; In addition, polaroid of the present invention surface not only good heat resistance, also there is good wearing quality, significantly improve the life-span of polaroid.
Accompanying drawing explanation
The principle schematic of the first polarized stereoscopic imaging in Fig. 1 prior art;
The principle schematic of the second polarized stereoscopic imaging in Fig. 2 prior art;
The polarized light transmittance graph at different wavelengths of Fig. 3 polaroid of the present invention.
Embodiment
The polaroid with optical thin film of the present invention, is wherein formed with boron doped nanometer ZnS successively on described optical glass or optical resin polaroid matrix
1-Xo
xthe composite metal membrane of film, Nano Silver and copper and by nano-ZnO, TiO
2with the nano composite oxide film that BaO is formed.Wherein, described boron doped nanometer ZnS
1-Xo
xfilm is prepared by chemical gaseous phase depositing process, and thickness is 25-50nm; Described Nano Silver and the composite metal membrane of copper are prepared by arc ions electroplating method, and thickness is 10-20nm, and wherein the mass ratio of silver and copper is 2: 1-3: 1; Described nano composite oxide film is obtained by magnetically controlled sputter method, and thickness is 50-100nm.As shown in Figure 3, the polaroid with optical thin film of the present invention, in the spectral range of 450-550nm, the transmissivity of polarized light is higher than 90%, and in the spectral range of 550-700nm, the transmissivity of polarized light is higher than 93%.In addition, polaroid imagewise uniform of the present invention, image sharpness throughout is all consistent, and make the stereo-picture synthesized without ghost image, contrast is high, and crosstalk degree is little, significantly can alleviate the sense of fatigue of eyes; In addition, polaroid of the present invention surface not only good heat resistance, also there is good wearing quality, significantly improve the life-span of polaroid.
The polaroid with optical thin film of the present invention, can prepare specifically by the following method:
Step 100: treatment before plating
The polaroid of optical glass matrix or resinous substrates is provided; The steps such as then carry out pre-treatment to it, pre-treatment comprises degreasing, pickling, cleaning, make the surface cleaning of this metal base;
Step 110: chemical vapor deposition nano ceramic film
In the anti-device of chemical vapor deposition, deposit described nano ceramic film, utilize gas lines supply gas and controlled the flow of each gas by flowmeter.Reaction system is ZnCl
2-H
2s-BCl
3-H
2o-O
2-H
2, temperature of reaction is 380-420 DEG C, and working pressure is 1000-1500Pa, wherein ZnCl
2flow be 50ml/min, H
2the flow of S is 15-35ml/min, BCl
3flow be 20-25ml/min, H
2the flow of O is 5-20ml/min, O
2flow be 5-10ml/min, H
2flow be 500ml/min, sedimentation time is 3-10min, and wherein the doping of boron is 3-5at%, X=0.15-0.3, and film thickness is 25-50nm.
Step 120: electric arc ion-plating deposition nano composite film
The deposition parameter of arc ion plating is: target is the composite target material of argent and copper, operating air pressure: 0.1-0.2Pa, flame current: 10-20A, direct current (DC) bias: 50-100V, pulsed bias: 120-200V, pulsed bias dutycycle is 35-50%, and temperature is 300-350 DEG C, sedimentation time is 0.5-5min, and film thickness is 10-20nm.
Step 130: magnetron sputtering deposition nano composite oxide film
Magnetron sputtering technique: target is ZnO, TiO of purity 99.99wt%
2with BaO ceramic sputter targets, be evacuated to the low vacuum of sputtering vacuum chamber in 5 × 10
-4pa, pass into argon gas, the flow of Ar is 20-50sccm and makes ar pressure be 0.5-2Pa, the sputtering power of each sputtering target is between 30-100W, and depositing temperature is 50-120 DEG C, and sedimentation time is 2-10min, thickness is 50-100nm, makes the content of ZnO in described nano composite oxides film be 42-50wt%, TiO by the sputtering power controlling each sputtering target
2content be the BaO of 20-25wt% and surplus.
Although embodiment part is elaborated technical scheme of the present invention by embodiment, but those of ordinary skill is to be understood that and can without departing from the scope of the present disclosure, equivalent replacement or equivalent transformation form can be adopted to implement technical scheme of the present invention.As long as no the embodiment departing from invention essence, be all interpreted as having dropped within protection scope of the present invention.
Claims (4)
1. there is a polaroid for optical thin film, it is characterized in that: on described polaroid matrix, be formed with nano ceramic film, nano composite film and nano composite oxide film successively; And described polaroid matrix is optical glass or optical resin; Described nano composite film is the composite metal membrane of Nano Silver and copper, and thickness is 10-20nm, and wherein the mass ratio of silver and copper is 2: 1-3: 1; Described nano composite oxide film is nano-ZnO, TiO
2with the complex oxide film of BaO, thickness is 50-100nm, and in described nano composite oxide, the content of ZnO is 42-50wt%, TiO
2content be the BaO of 20-25wt% and surplus; Described nano ceramic film is boron doped nanometer ZnS 1-
xo
xfilm, the doping of boron is 3-5at%, X=0.15-0.3, and thickness is 25-50nm.
2. polaroid according to claim 1, is characterized in that: described boron doped nanometer ZnS
1-Xo
xfilm is prepared by chemical gaseous phase depositing process.
3. polaroid according to claim 1, is characterized in that the composite metal membrane of described Nano Silver and copper is prepared by arc ions electroplating method.
4. polaroid according to claim 1, is characterized in that described nano composite oxide film is obtained by magnetically controlled sputter method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310172995.5A CN103246002B (en) | 2013-05-13 | 2013-05-13 | There is the polaroid of optical thin film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310172995.5A CN103246002B (en) | 2013-05-13 | 2013-05-13 | There is the polaroid of optical thin film |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103246002A CN103246002A (en) | 2013-08-14 |
| CN103246002B true CN103246002B (en) | 2016-02-24 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017130121A1 (en) * | 2016-01-26 | 2017-08-03 | Imax Corporation | Stereo image projection with high intra-frame contrast |
| US11889234B2 (en) | 2017-11-14 | 2024-01-30 | Imax Theatres International Limited | Light conditioning of direct view display for cinema |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1403851A (en) * | 2002-10-30 | 2003-03-19 | 北京大学 | Composite nano metal particle-semiconductor medium film and its prepn process and completely optical kerr switch |
| CN1996067A (en) * | 2006-01-06 | 2007-07-11 | 第一毛织株式会社 | Polarizing optical device, liquid crystal display using the same |
| EP2092381A1 (en) * | 2006-12-08 | 2009-08-26 | FUJIFILM Corporation | Optical film, and glass |
| CN201387494Y (en) * | 2007-11-26 | 2010-01-20 | 华中科技大学 | Wire grating broadband polarization device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102399084A (en) * | 2010-09-08 | 2012-04-04 | 武衡 | Nano-grade ceramic binding agent |
-
2013
- 2013-05-13 CN CN201310172995.5A patent/CN103246002B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1403851A (en) * | 2002-10-30 | 2003-03-19 | 北京大学 | Composite nano metal particle-semiconductor medium film and its prepn process and completely optical kerr switch |
| CN1996067A (en) * | 2006-01-06 | 2007-07-11 | 第一毛织株式会社 | Polarizing optical device, liquid crystal display using the same |
| EP2092381A1 (en) * | 2006-12-08 | 2009-08-26 | FUJIFILM Corporation | Optical film, and glass |
| CN201387494Y (en) * | 2007-11-26 | 2010-01-20 | 华中科技大学 | Wire grating broadband polarization device |
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| CN103246002A (en) | 2013-08-14 |
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