CN103018796B - 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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- CN103018796B CN103018796B CN201210424173.7A CN201210424173A CN103018796B CN 103018796 B CN103018796 B CN 103018796B CN 201210424173 A CN201210424173 A CN 201210424173A CN 103018796 B CN103018796 B CN 103018796B
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Abstract
The invention relates to a double-film PC (Polycarbonate) lens for optical display and a preparation method thereof. The double-film PC lens is characterized by comprising three layers of a reflection film, a PC substrate and an antireflection film, wherein the PC substrate is an arc lens; PC|(HL)nH| is used as a basic film system plated with the reflection film, the reflection film is deposited on a concave side of the PC lens and is 300-2000nm thick; and PC|(LH)mL| or PC|(LH)m| is used as the basic film system plated with the antireflection film, the antireflection film is deposited on a convex side of the PC lens and is 300-2000nm thick. The PC lens for optical display comprises two sides composed of the concave side and the convex side; the reflection side plated on the concave side can reflect most visible light, and the antireflection film on the convex side can transmit un-reflected visible light outwards better so as to reduce secondary reflection to the greatest extent and reinforce the visible effect of the PC lens.
Description
Technical field
The invention belongs to optical film materials technical field, relate to a kind of optics display two film system PC eyeglass and preparation method thereof.
Background technology
The task of display technique is psychology according to people and physilogical characteristics, adopts suitable method to change other features of the power of light, the wavelength (i.e. color) of light and light, forms multi-form visual information.In military, head-up display is the auxiliary display instrument of one flight generally used at present on aircraft.The principle of work of head-up display and the film close relation of display surface, the external research never stopped head-up display, its objective is that to develop sharpness, reliability and resolution higher, the life-span is longer, the display that cost performance is higher.Plated film over the display, improves the visual performance of display, in complex environment atmosphere, soldier can be helped to obtain preemptive advantage, or grasps the situation of constantly change better afield.
The display screen principle of work of head-up display is reflected back inside the eyes of pilot by the green spectral that interior instrument is launched, and 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 is more excellent, its mechanical property can not well adapt to special environment.
PC material has good transparency and visuality, in optical property and mechanical properties be all suitable as optics display eyeglass, display element device has great application prospect.At present, the external research relative maturity to the application of optical display film on PC material surface, You Duo company can carry out the production of series of products, GE advanced material group be recently proposed with polycarbonate (PC) resin be raw material novel optical display film-LEXAN ILLUMINEX
tMfilm, product has splendid optical characteristics, and the quality of film and performance all reach unprecedented high level, but its relevant report as display 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 carried out positive.Its soil wait people (Complex Multi-wavelength Laser Protective PC Material [J]. laser and infrared, 2008,38 (5): 421-423.) have developed the compound PC Coating Materials with specific visible light wave range absorption characteristic for lasing safety, but on PC display eyeglass, be coated with the reflectance coating data that association area is also not relevant at home.
Summary of the invention
The object of the invention is to provide the two film system PC eyeglass of a kind of optics display to improve the deficiencies in the prior art, another object of the present invention is to provide the preparation method of above-mentioned optics display with two film system PC eyeglass.With polycarbonate (PC) for matrix, HfO
2and SiO
2for high low refractive index film material, prepare the two film system PC eyeglass of optics display, prepared optics display can meet the technical requirement of heads-up display screen with two film system PC eyeglass.
Technical scheme of the present invention is: the two film system PC eyeglass of a kind of optics display, is characterized in that PC eyeglass is made up of reflectance coating, PC substrate and anti-reflection film three layers successively; Wherein, PC(polycarbonate) substrate is one piece of eyeglass having radian; Reflecting film deposition is at 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.
Preferably described reflectance coating is the film that high low-index material is alternately formed by stacking, at the reflectivity 60%-100% of visible light wave range (400-700nm); Described anti-reflection film is the film that low high-index material is alternately formed by stacking, 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.
Present invention also offers the method for the two film system PC eyeglass of above-mentioned optics display, its concrete steps are as follows:
(1) preparation of reflectance coating: at the concave surface of PC substrate, adopts PC| (HL)
nh| plates reflectance coating as the design of underlying membrane system, and the gross thickness controlling 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: the convex surface plating the PC substrate of reflectance coating at concave surface, adopts PC| (LH)
ml| or PC| (LH)
m| plate anti-reflection film as the design of underlying membrane system, the gross thickness controlling 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 (single thin film) that low high-index material is alternately formed by stacking; The two film system PC eyeglass of obtained optics display.
Plated film in above-mentioned steps (1) and (2) all adopts the method for ion assisted deposition and Electron beam evaporation; Wherein plated film vacuum tightness 0.001Pa ~ 0.003Pa, coating temperature is: 50 DEG C ~ 80 DEG C.
Beneficial effect:
Optics display PC eyeglass provided by the invention has concavo-convex two sides, the reflectance coating that concave surface is coated with can the visible ray of reflect most, the anti-reflection film of convex surface can say that the better transmission of unreflected visible ray is gone out, thus try one's best decrease secondary reflection, enhance the visual effect of PC eyeglass.
Embodiment
Below in conjunction with example to further instruction of the present invention, but should not limit the scope of the invention with this.Following examples plated film all adopts the method for ion assisted deposition and Electron beam evaporation;
Embodiment 1
#
Take PC as substrate, reflectance coating adopts film structure to be (HL) ^1H totally 3 layers.(wherein, (HL) ^1H represents: the high-index material HfO of each cycle ground floor to be thickness be 1 optical thickness
2, the low refractive material SiO of the second layer to be thickness be 3 optical thicknesses
2, one-period altogether, finally with H high-index material HfO
2terminate; Coating temperature is 50 DEG C, and plated film pressure is 0.001MPa;
Anti-reflection film adopts film structure Sub|LHL| totally 3 layers.(wherein, Sub|LHL|A represents: each cycle ground floor is low-index material SiO
2, the second layer is high-refraction material HfO
2, finally with L low-index material SiO
2terminate; Coating temperature is 50 DEG C, and plated film pressure is 0.002MPa;
The refractive index of table 1 three layers of each rete of reflectance coating and thickness
Only test in the reflectance spectrum of PC eyeglass concave surface plating reflectance coating, the most high reflectance of the reflectivity curve of the reflectance coating after PC plated film reaches 65%.
The refractive index of table 2 three layers of each rete of anti-reflection film and thickness
Only test in the reflectance spectrum of PC convex lens surface plating anti-reflection film, the most high reflectance of the reflectivity curve of the anti-reflection film after PC plated film is no more than 2.8%, is evenly distributed in about 2.5%.
Reflectance spectrum test is carried out after PC eyeglass male and fomale(M&F) plates reflectance coating and anti-reflection film simultaneously, the reflectance curve of eyeglass is up to 63.2%, have dropped 1.8% than the lens reflecting rate not being coated with anti-reflection film, effectively decrease the secondary reflection that eyeglass causes when reflectance spectrum.
Embodiment 2
#
Take PC as substrate, reflectance coating adopts film structure to be (HL) ^2H totally 5 layers.Coating temperature is 80 DEG C, and plated film pressure is 0.003MPa;
Anti-reflection film adopts film structure Sub|LHLHLHL|A totally 7 layers; Coating temperature is 50 DEG C, and plated film pressure is 0.003MPa;
The refractive index of each rete of table 3 five tunic and thickness
Only test in the reflectance spectrum of PC eyeglass concave surface plating reflectance coating, the most high reflectance of the reflectivity curve of the reflectance coating after PC plated film reaches about 72%.
The refractive index of table 4 seven layers of each rete of anti-reflection film and thickness
Only test in the reflectance spectrum of PC convex lens surface plating anti-reflection film, the most high reflectance of the reflectivity curve of the anti-reflection film before and after PC plated film is no more than 1%, is evenly distributed in 0.8%.
Reflectance spectrum test is carried out after PC eyeglass male and fomale(M&F) plates reflectance coating and anti-reflection film simultaneously, the reflectance curve of eyeglass is up to 70.7%, have dropped 1.3% than the lens reflecting rate not being coated with anti-reflection film, effectively decrease the secondary reflection that eyeglass causes when reflectance spectrum.
Embodiment 3
#
Take PC as substrate, reflectance coating adopts film structure to be (HL) ^5H totally 11 layers; Coating temperature is 80 DEG C, and plated film pressure is 0.001MPa;
Anti-reflection film adopts film structure Sub|LHL|A totally 3 layers; Coating temperature is 80 DEG C, and plated film pressure is 0.001MPa;
The refractive index of each rete of table 5 seven tunic and thickness
Only test in the reflectance spectrum of PC convex lens surface plating anti-reflection film, the most high reflectance of the reflectivity curve of the reflectance coating after PC plated film reaches about 85%.
The refractive index of table 6 three layers of each rete of anti-reflection film and thickness
Only test in the reflectance spectrum of PC convex lens surface plating anti-reflection film, the most high reflectance of the reflectivity curve of the anti-reflection film before and after PC plated film is no more than 2.8%, is evenly distributed in about 2.5%.
Reflectance spectrum test is carried out after PC eyeglass male and fomale(M&F) plates reflectance coating and anti-reflection film simultaneously, the reflectance curve of eyeglass is up to 83%, have dropped 2% than the lens reflecting rate not being coated with anti-reflection film, effectively decrease the secondary reflection that eyeglass causes when reflectance spectrum.
Above-mentioned example is the present invention's preferably embodiment; but embodiments of the present invention are not by the restriction of above-mentioned example; other are any do not deviate from Spirit Essence of the present invention and principle under make amendment, modification, substitute, combine, simplify the substitute mode being equivalence, be included within protection scope of the present invention.
Claims (3)
1. the two film system PC eyeglass of optics display, is characterized in that PC eyeglass is made up of reflectance coating, PC substrate and anti-reflection film three layers successively; Wherein, PC substrate is one piece of eyeglass having radian; Reflecting film deposition is at 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; Wherein said reflectance coating is the film that high low-index material is alternately formed by stacking, at the reflectivity 60%-100% of visible light wave range; Described anti-reflection film is the film that low high-index material is alternately formed by stacking, 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.
2. prepare the method for optics as claimed in claim 1 display with two film system PC eyeglass, its concrete steps are as follows:
(1) preparation of reflectance coating: at the concave surface of PC substrate, adopts PC| (HL)
nh| plates reflectance coating as the design of underlying membrane system, and the gross thickness controlling 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: the convex surface plating the PC substrate of reflectance coating at concave surface, adopts PC| (LH)
ml| or PC| (LH)
m| plate anti-reflection film as the design of underlying membrane system, the gross thickness controlling 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 is alternately formed by stacking; The two film system PC eyeglass of obtained optics display.
3. method according to claim 2, the plated film that it is characterized in that in step (1) and (2) all adopts the method for ion assisted deposition and Electron beam evaporation; Wherein plated film vacuum tightness 0.001Pa ~ 0.003Pa, coating temperature is: 50 DEG C ~ 80 DEG C.
Priority Applications (1)
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|---|---|---|---|
| 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 |
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| CN103018796A CN103018796A (en) | 2013-04-03 |
| CN103018796B true CN103018796B (en) | 2015-02-18 |
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Families Citing this family (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 |
| CN107203042B (en) * | 2016-03-17 | 2021-12-24 | 未来（北京）黑科技有限公司 | Display imaging system and method and vehicle with same |
| 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 |
|---|
| 双波段激光防护多层反射膜的设计;黄强等;《光学技术》;20071115;第33卷(第S1期);第147页第1节-第148页第2.1节 * |
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