CN103018796A - Double-film PC (Polycarbonate) lens for optical display and preparation method thereof - Google Patents
Double-film PC (Polycarbonate) lens for optical display and preparation method thereof Download PDFInfo
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- CN103018796A CN103018796A CN2012104241737A CN201210424173A CN103018796A CN 103018796 A CN103018796 A CN 103018796A CN 2012104241737 A CN2012104241737 A CN 2012104241737A CN 201210424173 A CN201210424173 A CN 201210424173A CN 103018796 A CN103018796 A CN 103018796A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 230000003287 optical effect Effects 0.000 title abstract description 9
- 239000004417 polycarbonate Substances 0.000 title description 51
- 229920000515 polycarbonate Polymers 0.000 title description 50
- 239000000758 substrate Substances 0.000 claims abstract description 15
- 238000013461 design Methods 0.000 claims abstract description 6
- 239000010408 film Substances 0.000 claims description 78
- 239000000463 material Substances 0.000 claims description 40
- 239000011248 coating agent Substances 0.000 claims description 38
- 238000000576 coating method Methods 0.000 claims description 38
- 238000002310 reflectometry Methods 0.000 claims description 10
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 239000012528 membrane Substances 0.000 claims description 5
- 238000005566 electron beam evaporation Methods 0.000 claims description 3
- 238000000869 ion-assisted deposition Methods 0.000 claims description 3
- 239000010409 thin film Substances 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 2
- 238000007747 plating Methods 0.000 abstract description 11
- 230000000007 visual effect Effects 0.000 abstract description 4
- 238000000151 deposition Methods 0.000 abstract 2
- 238000000985 reflectance spectrum Methods 0.000 description 12
- 238000012360 testing method Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- MEYZYGMYMLNUHJ-UHFFFAOYSA-N tunicamycin Natural products CC(C)CCCCCCCCCC=CC(=O)NC1C(O)C(O)C(CC(O)C2OC(C(O)C2O)N3C=CC(=O)NC3=O)OC1OC4OC(CO)C(O)C(O)C4NC(=O)C MEYZYGMYMLNUHJ-UHFFFAOYSA-N 0.000 description 2
- 229920004142 LEXAN™ Polymers 0.000 description 1
- 239000004418 Lexan Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
Landscapes
- Eyeglasses (AREA)
- Optical Filters (AREA)
- Surface Treatment Of Optical Elements (AREA)
Abstract
The invention relates to a double-film PC lens for optical display and a preparation method thereof; the PC lens is characterized by sequentially consisting of a reflecting film, a PC substrate and an antireflection film; wherein, the PC substrate is a lens with radian; using PC | (HL)nH | as the design of the basic film system, plating a reflecting film, and depositing the reflecting film on the concave surface of the PC lens, wherein the thickness of the reflecting film is 300nm-2000 nm; using PC | (LH)mL | or PC | (LH)mPlating anti-reflection in design of I as basic film systemAnd (3) depositing an antireflection film on the convex surface of the PC lens, wherein the thickness of the antireflection film is 300nm-2000 nm. The PC lens for optical display provided by the invention has concave and convex two surfaces, the reflecting film plated on the concave surface can reflect most visible light, and the antireflection film on the convex surface can better transmit the unreflected visible light, so that secondary reflection is reduced as much as possible, and the visual effect of the PC lens is enhanced.
Description
Technical field
The invention belongs to optically thin technology field of membrane materials, relate to a kind of optics and show that with two films be PC eyeglass and preparation method thereof.
Background technology
The task of display technique is according to people's psychology and physilogical characteristics, adopts suitable method to change other features of power, light wavelength (being color) and the light of light, forms multi-form visual information.Aspect military, head-up display is the auxiliary display instrument of a kind of flight that generally is used at present on the aircraft.The film close relation of the principle of work of head-up display and display surface abroad never stops the research to head-up display, its objective is that to develop sharpness, reliability and resolution higher, and the life-span is longer, the display that cost performance is higher.Plated film on display improves the visual performance of display, in the complex environment atmosphere, can help the soldier to obtain preemptive advantage, or grasps better the situation that constantly changes afield.
The display screen principle of work of head-up display is the eyes the inside that the green spectral of interior instrument emission is reflected back the pilot, and the pilot can see green image, text and data clearly on screen.Traditional head-up display all adopts glass as display screen, although the optical property of glass screen than more excellent, its mechanical property can not well adapt to special environment.
The PC material has good transparency and visuality, aspect optical property and mechanical properties all be suitable as optics and show and eyeglass to have great application prospect at the display element device.At present, optics is shown that the research of the application of film on the PC material surface is relatively ripe abroad, had many companies can carry out the production of series of products, the novel optical that GE advanced material group has released recently take polycarbonate (PC) resin as raw material shows film-LEXAN ILLUMINEX
TMFilm, product have splendid optical characteristics, and the quality of film and performance all reach unprecedented high level, but it is as showing that the relevant report with surface dielectric does not also have at present.At home, membraneous material is started late, and adopt the mode of vacuum coating fewer in the correlative study of PC surface coating, but relevant development work is also in positive carrying out.Its soil wait people (Complex Multi-wavelength Laser Protective PC Material [J]. laser and infrared, 2008,38 (5): 421-423.) developed the compound PC Coating Materials with specific visible light wave range absorption characteristic that is used for lasing safety, but PC display eyeglass be coated with reflectance coating at home association area also not have the data of being correlated with.
Summary of the invention
The objective of the invention is provides a kind of optics to show that with two films be the PC eyeglass in order to improve the deficiencies in the prior art, and another object of the present invention provides above-mentioned optics and shows that with two films be the preparation method of PC eyeglass.Take polycarbonate (PC) as matrix, HfO
2And SiO
2Be high low refractive index film material, prepare optics and show that with two films be the PC eyeglass that prepared optics shows that with two films be the technical requirement that the PC eyeglass can satisfy the head-up display screen.
Technical scheme of the present invention is: a kind of optics shows that with pair films be the PC eyeglass, it is characterized in that the PC eyeglass is comprised of three layers of reflectance coating, PC substrate and anti-reflection films successively; Wherein, PC(polycarbonate) substrate is an eyeglass that radian is arranged; Reflectance coating is deposited on the concave surface of PC eyeglass, and its thickness is 300nm-2000nm; Anti-reflection film is deposited on the convex surface of PC eyeglass, and its thickness is 300nm-2000nm.
Preferred described reflectance coating is the film that high low-index material alternately is formed by stacking, at the reflectivity 60%-100% of visible light wave range (400-700nm); The film that described anti-reflection film alternately is formed by stacking for low high-index material is at the reflectivity 0.01%-5% of visible light wave range (400-700nm); Described polycarbonate (PC) substrate is visible light wave range (400-700nm) transmitance 80%-98%, bending strength 100MPa-200MPa; Wherein low refractive material adopts SiO
2Or MgF
2, high-refraction material adopts HfO
2Or ZrO
2
The present invention also provides above-mentioned optics to show that with two films be the method for PC eyeglass, and its concrete steps are as follows:
(1) preparation of reflectance coating: at the concave surface of PC substrate, adopt PC| (HL)
nH| plates reflectance coating as the design of underlying membrane system, and the gross thickness of control reflectance coating is 300nm-2000nm; Wherein H represents high-index material HfO
2Or ZrO
2, L represents low-index material SiO
2Or MgF
2, n represents the cycle that high low-index material replaces, n=1 ~ 5; The physical thickness of every floor height refraction materials is 50nm ~ 100nm, the physical thickness 250nm ~ 350nm of every layer of low-index material;
(2) preparation of anti-reflection film: plate the convex surface of the PC substrate of reflectance coating at concave surface, adopt PC| (LH)
mL| or PC| (LH)
m| the design as underlying membrane system plates anti-reflection film, and the gross thickness of control anti-reflection film is 300nm-2000nm; Wherein H represents high-index material HfO
2Or ZrO
2, L represents low-index material SiO
2Or MgF
2, m represents the cycle that high low-index material replaces, m=1 ~ 8; The concrete physical thickness 10nm-500nm of the thin film that low high-index material alternately is formed by stacking (single thin film); Make optics and show that with two films be the PC eyeglass.
Plated film in above-mentioned steps (1) and (2) all adopts the method for ion assisted deposition and Electron beam evaporation; Plated film vacuum tightness 0.001Pa ~ 0.003Pa wherein, coating temperature is: 50 ℃ ~ 80 ℃.
Beneficial effect:
Optics provided by the invention shows to have concavo-convex two sides with the PC eyeglass, the reflectance coating that concave surface is coated with can reflect most visible light, the anti-reflection film of convex surface can say that the better transmission of unreflected visible light goes out, thus the minimizing of trying one's best secondary reflection, strengthened the visual effect of PC eyeglass.
Embodiment
To further instruction of the present invention, but should not limit protection scope of the present invention with this below in conjunction with example.Following examples plated film all adopts the method for ion assisted deposition and Electron beam evaporation;
Embodiment 1
#
Take PC as substrate, it is totally 3 layers of (HL) ^1H that reflectance coating adopts film structure.(wherein, (HL) ^1H represents: each cycle ground floor is that thickness is the high-index material HfO of 1 optical thickness
2, the second layer is that thickness is the low refractive material SiO of 3 optical thicknesses
2, be total to one-period, at last with H high-index material HfO
2Finish; Coating temperature is 50 ℃, and plated film pressure is 0.001MPa;
Anti-reflection film adopts totally 3 layers of film structure Sub|LHL|.(wherein, Sub|LHL|A represents: each cycle ground floor is low-index material SiO
2, the second layer is high-refraction material HfO
2, at last with L low-index material SiO
2Finish; Coating temperature is 50 ℃, and plated film pressure is 0.002MPa;
Refractive index and the thickness of three layers of each rete of reflectance coating of table 1
Only test in the reflectance spectrum of PC eyeglass concave surface plating reflectance coating, the high reflectance of the reflectivity curve of the reflectance coating behind the PC plated film reaches 65%.
Refractive index and the thickness of three layers of each rete of anti-reflection film of table 2
Only test in the reflectance spectrum of PC convex lens surface plating anti-reflection film, the high reflectance of the reflectivity curve of the anti-reflection film behind the PC plated film is no more than 2.8%, is evenly distributed in about 2.5%.
After plating reflectance coating and anti-reflection film simultaneously, PC eyeglass male and fomale(M﹠F) carries out the reflectance spectrum test, the reflectance curve of eyeglass is up to 63.2%, descended 1.8% than the lens reflecting rate that is not coated with anti-reflection film, effectively reduced the secondary reflection that eyeglass causes when reflectance spectrum.
Embodiment 2
#
Take PC as substrate, it is totally 5 layers of (HL) ^2H that reflectance coating adopts film structure.Coating temperature is 80 ℃, and plated film pressure is 0.003MPa;
Anti-reflection film adopts totally 7 layers of film structure Sub|LHLHLHL|A; Coating temperature is 50 ℃, and plated film pressure is 0.003MPa;
Refractive index and the thickness of table 3 five each rete of tunic
Only test in the reflectance spectrum of PC eyeglass concave surface plating reflectance coating, the high reflectance of the reflectivity curve of the reflectance coating behind the PC plated film reaches about 72%.
Refractive index and the thickness of seven layers of each rete of anti-reflection film of table 4
Only test in the reflectance spectrum of PC convex lens surface plating anti-reflection film, the high reflectance of the reflectivity curve of the anti-reflection film before and after the PC plated film is no more than 1%, is evenly distributed in 0.8%.
After plating reflectance coating and anti-reflection film simultaneously, PC eyeglass male and fomale(M﹠F) carries out the reflectance spectrum test, the reflectance curve of eyeglass is up to 70.7%, descended 1.3% than the lens reflecting rate that is not coated with anti-reflection film, effectively reduced the secondary reflection that eyeglass causes when reflectance spectrum.
Embodiment 3
#
Take PC as substrate, it is totally 11 layers of (HL) ^5H that reflectance coating adopts film structure; Coating temperature is 80 ℃, and plated film pressure is 0.001MPa;
Anti-reflection film adopts totally 3 layers of film structure Sub|LHL|A; Coating temperature is 80 ℃, and plated film pressure is 0.001MPa;
Refractive index and the thickness of table 5 seven each rete of tunic
Only test in the reflectance spectrum of PC convex lens surface plating anti-reflection film, the high reflectance of the reflectivity curve of the reflectance coating behind the PC plated film reaches about 85%.
Refractive index and the thickness of three layers of each rete of anti-reflection film of table 6
Only test in the reflectance spectrum of PC convex lens surface plating anti-reflection film, the high reflectance of the reflectivity curve of the anti-reflection film before and after the PC plated film is no more than 2.8%, is evenly distributed in about 2.5%.
After plating reflectance coating and anti-reflection film simultaneously, PC eyeglass male and fomale(M﹠F) carries out the reflectance spectrum test, the reflectance curve of eyeglass is up to 83%, descended 2% than the lens reflecting rate that is not coated with anti-reflection film, effectively reduced the secondary reflection that eyeglass causes when reflectance spectrum.
Above-mentioned example is the better embodiment of the present invention; but embodiments of the present invention are not subjected to the restriction of above-mentioned example; other are any not to deviate from modification, the modification made under Spirit Essence of the present invention and the principle, substitute, combination, simplify the substitute mode that is equivalence, is included within protection scope of the present invention.
Claims (4)
1. an optics shows that with pair films be the PC eyeglass, it is characterized in that the PC eyeglass is comprised of three layers of reflectance coating, PC substrate and anti-reflection films successively; Wherein, the PC substrate is an eyeglass that radian is arranged; Reflectance coating is deposited on the concave surface of PC eyeglass, and its thickness is 300nm-2000nm; Anti-reflection film is deposited on the convex surface of PC eyeglass, and its thickness is 300nm-2000nm.
2. optics according to claim 1 shows that with two films be the PC eyeglass, it is characterized in that described reflectance coating is the film that high low-index material alternately is formed by stacking, at the reflectivity 60%-100% of visible light wave range; The film that described anti-reflection film alternately is formed by stacking for low high-index material is at the reflectivity 0.01%-5% of visible light wave range; Described PC substrate is visible light wave range transmitance 80%-98%, bending strength 100MPa-200MPa; Wherein low refractive material is SiO
2Or MgF
2, high-refraction material is HfO
2Or ZrO
2
3. one kind prepares optics as claimed in claim 1 and shows that with two films be the method for PC eyeglass, and its concrete steps are as follows:
(1) preparation of reflectance coating: at the concave surface of PC substrate, adopt PC| (HL)
nH| plates reflectance coating as the design of underlying membrane system, and the gross thickness of control reflectance coating is 300nm-2000nm; Wherein H represents high-index material HfO
2Or ZrO
2, L represents low-index material SiO
2Or MgF
2, n represents the cycle that high low-index material replaces, n=1 ~ 5; The physical thickness of every floor height refraction materials is 50nm ~ 100nm, the physical thickness 250nm ~ 350nm of every layer of low-index material;
(2) preparation of anti-reflection film: plate the convex surface of the PC substrate of reflectance coating at concave surface, adopt PC| (LH)
mL| or PC| (LH)
m| the design as underlying membrane system plates anti-reflection film, and the gross thickness of control anti-reflection film is 300nm-2000nm; Wherein H represents high-index material HfO
2Or ZrO
2, L represents low-index material SiO
2Or MgF
2, m represents the cycle that high low-index material replaces, m=1 ~ 8; The concrete physical thickness 10nm-500nm of the thin film that low high-index material alternately is formed by stacking; Make optics and show that with two films be the PC eyeglass.
4. method according to claim 3 is characterized in that plated film in step (1) and (2) all adopts the method for ion assisted deposition and Electron beam evaporation; Plated film vacuum tightness 0.001Pa ~ 0.003Pa wherein, coating temperature is: 50 ℃ ~ 80 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210424173.7A CN103018796B (en) | 2012-10-31 | 2012-10-31 | Double-film PC (Polycarbonate) lens for optical display and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210424173.7A CN103018796B (en) | 2012-10-31 | 2012-10-31 | Double-film PC (Polycarbonate) lens for optical display and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103018796A true CN103018796A (en) | 2013-04-03 |
| CN103018796B CN103018796B (en) | 2015-02-18 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017157136A1 (en) * | 2016-03-17 | 2017-09-21 | 异视科技（北京）有限公司 | Display imaging system and method, and vehicle carrying the system |
| CN107203042A (en) * | 2016-03-17 | 2017-09-26 | 异视科技（北京）有限公司 | It is shown as system and method, the vehicles with the system |
| CN107651864A (en) * | 2017-11-13 | 2018-02-02 | 苏州安洁科技股份有限公司 | A kind of technique for adding anti-fog performance after glass physical vapour deposition anti-reflection film |
| CN109884737A (en) * | 2018-12-29 | 2019-06-14 | 瑞声科技(新加坡)有限公司 | A kind of eyeglass and preparation method thereof and camera lens |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5013134A (en) * | 1989-09-28 | 1991-05-07 | Hughes Aircraft Company | Ghost-free automotive head-up display employing a wedged windshield |
| CN101038349A (en) * | 2005-12-26 | 2007-09-19 | 旭硝子株式会社 | Laminated glass for vehicle |
| CN201185170Y (en) * | 2007-12-28 | 2009-01-21 | 安徽华东光电技术研究所 | Night vision compatible bright-increasing type horizontal display tube component |
| CN101446653A (en) * | 2007-11-26 | 2009-06-03 | 株式会社东芝 | Head-up display optical film, head-up display, and vehicle |
-
2012
- 2012-10-31 CN CN201210424173.7A patent/CN103018796B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5013134A (en) * | 1989-09-28 | 1991-05-07 | Hughes Aircraft Company | Ghost-free automotive head-up display employing a wedged windshield |
| CN101038349A (en) * | 2005-12-26 | 2007-09-19 | 旭硝子株式会社 | Laminated glass for vehicle |
| CN101446653A (en) * | 2007-11-26 | 2009-06-03 | 株式会社东芝 | Head-up display optical film, head-up display, and vehicle |
| CN201185170Y (en) * | 2007-12-28 | 2009-01-21 | 安徽华东光电技术研究所 | Night vision compatible bright-increasing type horizontal display tube component |
Non-Patent Citations (1)
| Title |
|---|
| 黄强等: "双波段激光防护多层反射膜的设计", 《光学技术》, vol. 33, no. 1, 15 November 2007 (2007-11-15) * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017157136A1 (en) * | 2016-03-17 | 2017-09-21 | 异视科技（北京）有限公司 | Display imaging system and method, and vehicle carrying the system |
| CN107203042A (en) * | 2016-03-17 | 2017-09-26 | 异视科技（北京）有限公司 | It is shown as system and method, the vehicles with the system |
| US10725293B2 (en) | 2016-03-17 | 2020-07-28 | Futurus Technology Co., Ltd. | Displaying system, method, and vehicle including such a displaying system |
| US11397323B2 (en) | 2016-03-17 | 2022-07-26 | Futurus Technology Co., Ltd. | Displaying system, method, and vehicle |
| CN107651864A (en) * | 2017-11-13 | 2018-02-02 | 苏州安洁科技股份有限公司 | A kind of technique for adding anti-fog performance after glass physical vapour deposition anti-reflection film |
| CN109884737A (en) * | 2018-12-29 | 2019-06-14 | 瑞声科技(新加坡)有限公司 | A kind of eyeglass and preparation method thereof and camera lens |
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|---|---|
| CN103018796B (en) | 2015-02-18 |
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