CN2694293Y - True color multi-band folded photo - Google Patents
True color multi-band folded photo Download PDFInfo
- Publication number
- CN2694293Y CN2694293Y CNU2004200038975U CN200420003897U CN2694293Y CN 2694293 Y CN2694293 Y CN 2694293Y CN U2004200038975 U CNU2004200038975 U CN U2004200038975U CN 200420003897 U CN200420003897 U CN 200420003897U CN 2694293 Y CN2694293 Y CN 2694293Y
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- fold
- full
- over sheet
- color
- multiband
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Abstract
The utility model relates to a true color multi-band folded photo, particularly one multi-band folded photo for a head rising display, which has a full-color display function. The multi-band folded photo has the structure that a plurality of multiple refractive index dielectric layers are plated on base materials in a cascade mode, and each dielectric layer has different refractive index. By utilizing the multilayer film interference principle of the dielectric layers, the dielectric layers have the cut-off characteristic of a plurality of wave bands at the range of visible light. The utility model has the functions of high penetration and full-color display when used for folding photos for the head rising display.
Description
Technical field
The utility model relates to a kind of full-color multiband fold-over sheet, in particular for the apparent device that comes back, has the multiband fold-over sheet of full-color Presentation Function.
Background technology
The purpose of HUD is to make the driver when maneuver vehicle or aircraft, the plate that watches the instruments of bowing of must not bowing, can be directly by HUD with the related data of instrument panel with extraneous scenery is overlapping together is presented on the driver at the moment, in order to alleviate driver's burden, provide driving the broader visual field, to increase traveling security.Controlling of fighter plane, can promote pilot's weapon aiming ability, and then reach the boundary of man-machine unification.Described at Fig. 1 is the application principle and the mode of HUD, utilizes default display unit 1 that instrument panel or sighting system 2 are projected on the substrate of coating fold-over sheet 3, to produce virtual monitor 4, the projection image of instrument panel or sighting system 2 in presenting.
Yet in the making of HUD, for reaching the function of full-color demonstration, the fold-over sheet is many to be made in the mode of optical multilayer plated film.In known technology, patent and paper that following several optical multilayer films design is arranged: (1) is No. the 338111st, TaiWan, China patent, the full-color fold-over mirror of one HUD is proposed, be designed with high low-refraction membrane stack method, it is one of patent of the full-color fold-over mirror of Taiwan only a few, its advantage be to design simple and easy and the time that is coated with very short, but shortcoming is that about 30% light loss is arranged.(2) at United States Patent (USP) the 4th, 545, No. 646, had by Huge Aircraft Company, described technology is to utilize the optical filter of graded index technology made, but the result of gained has very big ripple (ripple) outside desired peak value, makes the ensemble average of optical filter penetrate reduction greatly.(3) at United States Patent (USP) the 5th, 181, No. 143, had by Rockwell InternationalCorporation, described technology is to find out the refractive index of optical thin film (refractiveindex) earlier optical thickness (optical thickness) is schemed, then the refractive index parameter that surpasses setting range is cut short (clipping), again via the physical thickness that increases film, refilling because of cutting short the optical density (OD) (optical density) of losing, reduce the demand of refractive index parameter, also simplified the complicacy when being coated with simultaneously.(4) No. the 2265726th, BrP, had by GEC-Marconi limited, the technology that is proposed is designed with the graded index method, can design the optical filter of two or three peak values, is used in the full-color optical filter on the HUD.(5) Taiwan National Central University photoelectricity also have several pieces at studying being coated with of optical thin film, as the Master's thesis of what female honor in 1994 Christian eras " with fourier transform as optical thin film design " and Christian era Tang Qian benevolence in 2002 Master's thesis " the graded index optical thin film design is plated with system ".
Above patent and paper, in the field of the design of optical thin film and making, though the design of graded index optical thin film on thicknesses of layers and the incident angle change that changes corresponding wavelength all lack a lot than the design that general traditional high low-refraction membrane stack method is worked it out; Also bigger making error can be arranged in making time institute's tolerance simultaneously than design with high low-refraction membrane stack method.But,, very high technical threshold is arranged as accurate gas flow control system and film thickness monitoring system etc. because of soft, the hardware device of the needed plated film of graded index optical thin film.
The utility model content
The purpose of this utility model is to propose a kind of full-color multiband fold-over sheet, this fold-over sheet has new film layer structure, can have universal film coating equipment now, need not use special film thickness monitoring system, can design and produce the plural wave band optical filter that ends, when design, can choose at random the optical filter that to make different colours by the wavelength of wave band simultaneously.
For achieving the above object, the full-color multiband fold-over sheet that the utility model proposes, change the parameter of refractive index with digital form, on base material, be coated with the rete of plural layer different refractivity with interlace mode, produce many refractive indexes dielectric layer, form a multiband fold-over sheet, this fold-over sheet has the narrow wavelength zone of reflections of plural number, can reflect the wavelength that corresponding display sends.
Wherein this base material can be glass or plastic cement.
The narrow wavelength zone of reflections wherein is three, respectively corresponding wavelength 630nm ruddiness, wavelength 540nm green glow, wavelength 450nm blue light.
These plural narrow wavelength zones of reflections wherein, its reflectivity in positions such as wavelength 630nm, 540nm, 450nm all above 45%.
These plural narrow wavelength zones of reflections wherein, its reflectivity are all greater than the visible-range average reflectance more than 25%.
This plural layer different refractivity film layer wherein wherein comprises the rete or the graded index rete of two or more different refractivity.
Wherein these plural layer different refractivity film layers comprise two-layer above multi-layer film structure.
Wherein the thickness of every layer film is between 0.3-3.6 μ m.
Wherein the refractive index of every layer film is between 1.6-1.9.
Wherein this fold-over sheet surpasses 80% in the average penetration rate of visible-range.
Described plural layer different refractivity film layer, wherein membranous layer ingredient can be Ta
2O
5, TiO
2, MgF
2, SiO
2, SiN, SiNO or the hybrid films of above-mentioned material.
In addition, the production method of optical filter in the utility model is to adopt at least two kinds of oxide materials that do not have to absorb, with the foundation as the refractive index parameter of the relative position that changes gas flow ratio or target.Film plating process can use industry member generally to use, and helps plating, electricity slurry to help plating, ion to help plating, microwave to help plating, ion beam ion to help plating etc. as chemogenic deposit, ion beam sputtering deposition, bias voltage.
Description of drawings
Fig. 1 is the HUD synoptic diagram.
Fig. 2 penetrates spectrogram for the full-color multiband fold-over of the utility model sheet when 45 spend.
Fig. 3 penetrates the CIE coordinate figure of spectrum when 45 spend for the full-color multiband fold-over of the utility model sheet.
Fig. 4 is the refractive index and the thickness distribution figure of the full-color multiband fold-over of the utility model sheet.
Embodiment
The utility model is made the platform that rete designs with special digitized processing, with the parameter of digital form change refractive index, is coated with many refractive indexes dielectric layer of plural layer with interlace mode on base material, and this base material can be glass or plastic cement.Please refer to the parameter that table 1 is depicted as every layer film:
The full-color multiband fold-over sheet that the utility model is made has been coated with 74 layer films altogether, and by the shown data of table 1, the thickness of every layer film is between 0.3-3.6 Kua as can be known, and refractive index is between 1.6-1.9.So the average penetration rate that the full-color multiband fold-over of the utility model sheet can reach at visible-range surpasses 80%.
UM040138
Table 1: the structure of multiband fold-over sheet
The number of plies 123456789 10
Thickness 1.4 0.3 3.6 0.3 0.9 0.5 0.7 0.7 0.5 0.9
Refractive index 1.7 1.6 1.7 1.6 1.7 1.8 1.7 1.6 1.7 1.8
The number of plies 11 12 13 14 15 16 17 18 19 20
Thickness 0.3 1.2 0.9 0.4 0.6 0.5 0.5 0.7 0.5 0.7
Refractive index 1.7 1.6 1.8 1.9 1.7 1.6 1.7 1.9 1.8 1.6
The number of plies 21 22 23 24 25 26 27 28 29 30
Thickness 0.7 0.5 1.2 0.7 11 1.2 1.4 0.4 0.3
Refractive index 1.8 1.9 1.7 1.8 1.7 1.8 1.7 1.8 1.7 1.8
The number of plies 31 32 33 34 35 36 37 38 39 40
Thickness 1.2 0.5 0.4 0.3 0.3 0.9 1.2 0.9 0.3 0.3
Refractive index 1.7 1.8 1.9 1.8 1.7 1.6 1.8 1.6 1.7 1.8
The number of plies 41 42 43 44 45 46 47 48 49 50
Thickness 0.4 0.5 1.2 0.3 0.4 1.4 0.3 0.9 11
Refractive index 1.9 1.8 1.7 1.8 1.7 1.8 1.7 1.7 1.8 1.7
The number of plies 51 52 53 54 55 56 57 58 59 60
Thickness 0.7 1.2 0.5 0.7 0.7 0.5 0.7 0.5 0.5 0.6
Refractive index 1.8 1.7 1.9 1.8 1.6 1.8 1.9 1.7 1.6 1.7
The number of plies 61 62 63 64 65 66 67 68 69 70
Thickness 0.4 1 1.2 0.3 0.9 0.5 0.7 0.7 0.5 0.9
Refractive index 1.9 1.8 1.6 1.7 1.8 1.7 1.6 1.7 1.8 1.7
The number of plies 71 72 73 74
Thickness 0.3 3.6 0.3 1.4
Refractive index 1.6 1.7 1.6 1.7
The production method of optical filter in the utility model is to adopt at least two kinds do not have to absorb equal oxide materials, with the foundation as the refractive index parameter of the relative position that changes gas flow ratio or target; Wherein the material of thin layer can be Ta
2O
5, TiO
2, MgF
2, SiO
2, SiN, SiNO or the hybrid films of above-mentioned material.
By shown in Figure 2, be the spectrum that penetrates of full-color multiband fold-over sheet, have three sagging indentures at visible-range at 45 degree during incidents, representative is at the light of these three wavelength during in 45 degree incidents, and major part will can not penetrate and have an effect of reflection.These three wavelength are respectively 630nm, 540nm, 450nm.Pairing is the Red Green Blue that display uses, and uses these three primary colors can be combined into full-color image.All above 45%, and this reflectivity is greater than the visible-range average reflectance more than 25% at the reflectivity of these three narrow wavelength zone of reflections positions, in order to the clear of image with distinct.
By shown in Figure 3, when 45 spend, penetrate the cie color coordinate figure of spectrum for full-color multiband fold-over sheet, learn that through calculating the CIE coordinate of this spectrum is X=0.331 and Y=0.331, drop on the zone of white, its meaning is the full-color image of a visible light, when seeing through the full-color fold-over sheet of this sheet, can colorific skew not cause the image color distortion, still the image color when not having this full-color fold-over sheet is identical.
Fig. 4 represents the structure of this full-color multiband fold-over sheet, transverse axis adopts four kinds of fold-over sheets that different refractivity film layer piled up out only with the fold-over sheet that high low-refraction was piled up better optical characteristics to be arranged than tradition for it is that the thickness longitudinal axis of unit is its corresponding refractive index with the optical thickness.
The advantage of this full-color multiband fold-over sheet is a visible light penetrance height, the user can not lose the light in the too many external world because sight line sees through the HUD system, can allow the HUD system that uses this kind fold-over sheet under the environment of night or other insufficient lights, still can possess the good visual field.And when using by day, hologram has the characteristic of high reflection at three wavelength thus, can allow the image contrast distinctness of HUD, to show full-color function, can reach the requirement of high brightness and power saving.
Claims (11)
1. full-color multiband fold-over sheet is characterized in that: the staggered rete that is coated with the plural layer different refractivity on base material, produce many refractive indexes dielectric layer, and form a multiband fold-over sheet, this fold-over sheet has the narrow wavelength zone of reflections of plural number.
2. full-color multiband fold-over sheet as claimed in claim 1, it is characterized in that: wherein this base material is glass or plastic cement.
3. full-color multiband fold-over sheet as claimed in claim 1 is characterized in that: the narrow wavelength zone of reflections wherein is three, respectively corresponding wavelength 630nm ruddiness, wavelength 540nm green glow, wavelength 450nm blue light.
4. full-color multiband fold-over sheet as claimed in claim 3 is characterized in that: these plural narrow wavelength zones of reflections wherein, its reflectivity in wavelength 630nm, 540nm, 450nm position all above 45%.
5. full-color multiband fold-over sheet as claimed in claim 4 is characterized in that: these plural narrow wavelength zones of reflections wherein, its reflectivity are all greater than the visible-range average reflectance more than 25%.
6. full-color multiband fold-over sheet as claimed in claim 1 is characterized in that: this plural layer different refractivity film layer wherein wherein comprises the rete or the graded index rete of two or more different refractivity.
7. full-color multiband fold-over sheet as claimed in claim 6 is characterized in that: wherein these plural layer different refractivity film layers comprise two-layer above multi-layer film structure.
8. full-color multiband fold-over sheet as claimed in claim 6, it is characterized in that: wherein the thickness of every layer film is between 0.3-3.6 μ m.
9. full-color multiband fold-over sheet as claimed in claim 6, it is characterized in that: wherein the refractive index of every layer film is between 1.6-1.9.
10. full-color multiband fold-over sheet as claimed in claim 6 is characterized in that: wherein this fold-over sheet surpasses 80% in the average penetration rate of visible-range.
11. full-color multiband fold-over sheet as claimed in claim 1, it is characterized in that: described plural layer different refractivity film layer, wherein membranous layer ingredient can be Ta
2O
5, TiO
2, MgF
2, SiO
2, SiN, SiNO or the hybrid films of above-mentioned material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200038975U CN2694293Y (en) | 2004-03-04 | 2004-03-04 | True color multi-band folded photo |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200038975U CN2694293Y (en) | 2004-03-04 | 2004-03-04 | True color multi-band folded photo |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2694293Y true CN2694293Y (en) | 2005-04-20 |
Family
ID=34767328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2004200038975U Expired - Fee Related CN2694293Y (en) | 2004-03-04 | 2004-03-04 | True color multi-band folded photo |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2694293Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10725293B2 (en) | 2016-03-17 | 2020-07-28 | Futurus Technology Co., Ltd. | Displaying system, method, and vehicle including such a displaying system |
-
2004
- 2004-03-04 CN CNU2004200038975U patent/CN2694293Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10725293B2 (en) | 2016-03-17 | 2020-07-28 | Futurus Technology Co., Ltd. | Displaying system, method, and vehicle including such a displaying system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |