CN205893090U - Come back and show front windshield - Google Patents
Come back and show front windshield Download PDFInfo
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- CN205893090U CN205893090U CN201620548506.0U CN201620548506U CN205893090U CN 205893090 U CN205893090 U CN 205893090U CN 201620548506 U CN201620548506 U CN 201620548506U CN 205893090 U CN205893090 U CN 205893090U
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- index layer
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- refractive index
- layer
- front windshield
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Abstract
The utility model relates to an it shows technical field to come back, especially relates to the new line display system on the car, specifically is the come back and show front windshield that can be used in among the new line display system. This come back and show front windshield include interior glass board, outer glass board and press from both sides including middle diaphragm between glass board and the outer glass board, still include transparent nanometer membrane and low surface energy rete, transparent nanometer membrane includes the interior glass board of at least one follow outside laminated structure of sedimentary high refractive index layer / low -index layer in proper order in surface. The utility model discloses be difficult to be stained with fingerprint or other filths on can guaranteeing front windshield's internal surface, the cleanness of the internal surface of glass board in keeping, guaranteeing simultaneously that the yellow composition under the high angle reflection case has obviously been reduced under the unchangeable basically circumstances of register for easy reference and colour characteristic to unchangeable basically, preceding being in the light to P polarized light reflectivity, can obtain the graceful blue reflection of light.
Description
Technical field:
This utility model is related to new line display technology field, the head-up-display system on more particularly to a kind of automobile, tool
It is a kind of new line display front windshield being used in head-up-display system body.
Background technology:
With scientific and technical development, display (hud, the head up display) system that comes back is by more and more in vapour
Use on car.Head-up-display system on automobile can be by important running information, such as speed, engine revolution, oil consumption, tire
Pressure, navigation and external smart machine information be shown in real time in the visual field of driver on front windshield so that
Driver need not bow it is possible to see running information, thus avoiding disperseing the attention to road ahead；Simultaneously so that driving
Member need not adjust eyes observing between the road in a distant place and instrument nearby, can avoid the fatigue of eyes, can be greatly
Strengthen traffic safety and improve driving experience.
Luminescence imaging and projection imaging two ways, wherein projection imaging are mainly passed through in the realization of new line Display Technique at present
Optical element using shield glass itself or extra setting carries out Projection Display, and adopts front windshield anti-
Penetrating projected image is the simplest mode of structure.General front windshield is laminated glass, and it is that had by least two panels
In the middle of the glass substrate of certain curvature, sandwiched thermoplastic polymer film piece (if polyvinyl butyral resin is pvb) is constituted, and comes back aobvious
Show that the light that the projection light source of system sends can reflect when laminated glass is with two surfaces of air contact, two surfaces
On reflected image can produce skew thus forming two ghost images interfering, particularly thicker in the thickness of laminated glass
Can become apparent from the case of (generally more than 3mm), this greatly limits the definition of projection-display image.
For solving the ghost problems of head-up-display system on shield glass, in prior art, there are some sides
Case.Such as patent cn101038349 (a), us2002172804 (a1) and us2007148472 (a1) disclose one kind therein
Solution be using wedge shape polymer membrane as laminated glass intermediate layer so that the upper and lower thickness of laminated glass be in wedge
Deformation, so that the reflected image on two surfaces seeing of driver essentially coincides, finally significantly eliminates ghost image and asks
Topic.A solution is also had to be the optical functional layer that can change direction of polarized light on the surface of laminated glass or middle setting
Or be capable of the reflective polarizer of jo-polarized light or s polarized light, and the p sending with reference to the projection light source of head-up-display system is inclined
Shake light or s polarized light is incident with special angle (as Brewster's angle), thus utilizing the reflection to different polarization light for the laminated glass
Characteristic, to eliminate as much as the reflected image on certain surface, finally eliminates ghost image.Similarly, by strengthening in laminated glass and sky
The mode of the reflected light being formed on the surface of gas contact can also reduce macroscopic ghost phenomena, such as on component market often
The adhesive film type hud projector seen, it is to paste semi-transparent reflective film in advance in hud view field；Or as patent
Us6137630 (a) discloses and for alternate for high and low refractive index material multilayer dielectricity to be deposited upon laminated glass and air contact
On one surface, thus strengthening the intensity of the reflected light of contact surface, and the intensity of reflected light on another one surface is substantially not
Become, therefore enable the reflected image that human eye is observed mostly come from the reflected light of coated surface.
Although the technical scheme of above-mentioned solution head-up-display system ghost problems can mitigate ghost problems to a certain extent,
But also have the disadvantage in that first during practical application, easily stain by fingerprint, rag etc. and be difficult to wiped clean；Second, from
The outer direction of car sees, the reflection colour of high angle is neutral not enough, is sometimes prone to unfavorable yellow.
Utility model content:
Technical problem to be solved in the utility model be for prior art exist easy contamination, not easy to clean and
The shortcomings of outward appearance is not attractive in appearance, provides a kind of display front windshield that comes back.
The technical scheme in the invention for solving the technical problem is: a kind of display front windshield that comes back, bag
Include interior glass plate, outer glass plate and be clipped in middle diaphragm between interior glass plate and outer glass plate it is characterised in that: also include
It is deposited on interior glass plate and farthest away from the transparent nano film on the surface of middle diaphragm and be coated in the low of described transparent nano film
Surface energy film layer, described transparent nano film include at least one high refractive index layer being outwards sequentially depositing from interior glass pane surface/
The laminated construction of low-index layer, refractive index >=1.8 of described high refractive index layer, refractive index≤1.5 of described low-index layer；
The material of described low-surface-energy film layer is selected from least one in r1-si (or2) 3 or si (r3) mx4-m, and wherein r1 is at least one
The organic group that individual h atom is replaced by f or cl, r2, r3 are organic group, and x is f or cl, 1≤m≤3；Described low-surface-energy film
Surface energy≤the 0.3jm of layer-2, its refractive index≤1.6, its 90 degree of contact angle ＞ with deionized water, its geometric thickness be 1～
100nm.
Further, r1-si (or2) 3 is selected from 17 fluorine decyl trimethoxy silanes, ten trifluoro octane ethyl triethoxy silicanes
In alkane, ten trifluoroalkyl propyl trimethoxy silicanes, ten fluoroalkyl trimethoxy silanes or trifluoro propyl trimethoxy silane
At least one.
Further, si (r3) mx4-m is selected from methyl trichlorosilane, methyl dodecyl dichlorosilane, dimethyl dichloro
At least one in silane, dichloromethyl phenylsilane, methylvinyldichlorosilane or 3- trifluoro propyl trichlorosilane.
Further, described high refractive index layer is selected from zn, sn, ti, nb, zr, ni, in, al, ce, w, mo, sb, bi element
Oxide and its mixture, or the nitride of si, al, zr, y, ce, la element, nitrogen oxides and its mixture at least
A kind of.
Further, described low-index layer is selected from the oxide of si or al, nitrogen oxides or their mixture extremely
Few one kind.
Further, in described laminated construction high refractive index layer geometric thickness be 50～100nm, low-index layer several
What thickness is 80～120nm, and the geometric thickness of corresponding low-surface-energy film layer is 1～50nm.
Further, when described transparent nano film includes the laminated construction of two high index layer/low index layer, that is,
Outwards it is sequentially depositing the first high refractive index layer, the first low-index layer, the second high refractive index layer and second from interior glass pane surface
Low-index layer, the geometric thickness of the first high refractive index layer is 5～35nm, the geometric thickness of the first low-index layer is 5～
35nm, the geometric thickness of the second high refractive index layer is 20～50nm, and the geometric thickness of the second low-index layer is 80～130nm,
The geometric thickness of corresponding low-surface-energy film layer 2 is 1～50nm.
Further, in the laminated construction of described high index layer/low index layer, its high refractive index layer also includes many
Individual sublayer.
Preferably, in high refractive index layer, the refractive index near the sublayer of interior glass plate is less than the sublayer away from interior glass plate
Refractive index.
Further, in the laminated construction of described high index layer/low index layer, its low-index layer includes multiple
Sublayer.
Due to taking technique scheme, it has the advantages that this utility model
The display front windshield that comes back described in the utility model, ensure that and be difficult on the inner surface of front windshield be stained with
Upper fingerprint or other dirts, the cleaning of the inner surface of glass plate in holding；Ensureing to p-polarization luminous reflectance substantially not simultaneously
The yellow component that change, front spectrum and color characteristics considerably reduce under high angle reflection case in the case of being basically unchanged, can
Reflective with the blueness that acquisition is graceful.
Brief description:
Fig. 1 is the sectional view of the display front windshield that comes back described in the utility model；
Fig. 2 is the lamination knot that transparent nano film described in the utility model includes a high index layer/low index layer
The schematic diagram of structure；
Fig. 3 is the schematic diagram that in transparent nano film described in the utility model, high refractive index layer includes two sublayers；
Fig. 4 is that in transparent nano film described in the utility model, high refractive index layer and low-index layer all include two sublayers
Schematic diagram；
Fig. 5 is come back display front windshield and the antifouling capacity contrast of common front windshield described in the utility model
Figure.
Specific embodiment:
Below in conjunction with accompanying drawing, content of the present utility model is described further.
As depicted in figs. 1 and 2, the display front windshield that comes back described in the utility model, including in glass plate 101, outer
Glass plate 102 and be clipped in middle diaphragm 100 between interior glass plate 101 and outer glass plate 102 it is characterised in that: also include
It is deposited on interior glass plate 101 and farthest away from the transparent nano film 1 on the surface of middle diaphragm 100 and be coated in described transparent nano
Low-surface-energy film layer 2 on film 1, described transparent nano film 1 includes at least one and is outwards sequentially depositing from interior glass plate 101 surface
High refractive index layer 11/ low-index layer 12 laminated construction, refractive index >=1.8 of described high refractive index layer 11, described low folding
Penetrate refractive index≤1.5 of rate layer 12；The material of described low-surface-energy film layer 2 is selected from r1-si (or2) 3 or si (r3) mx4-m
At least one, wherein r1 are the organic group that at least one h atom is replaced by f or cl, and r2, r3 are organic group, and x is f or cl,
1≤m≤3；Surface energy≤the 0.3jm of described low-surface-energy film layer 2-2, its refractive index≤1.6, its contact angle with deionized water
90 degree of ＞, its geometric thickness is 1～100nm.New line so can be made to show that front windshield meets the p incident to 55～75 degree
Reflectance >=8% of polarized light, thus meet the high definition needs of the display that comes back；And ensure to be difficult to be stained with fingerprint on its inner surface
Or other dirts, the cleaning of the inner surface of glass plate in holding；The yellow under high angle reflection case can also be considerably reduced
Composition, it is possible to obtain graceful blueness is reflective.
Preferably, the r1 in r1-si (or2) 3 is the alkyl that at least one h atom is replaced by f or cl, and r2 is alkyl, example
If r1-si (or2) 3 can be 17 fluorine decyl trimethoxy silanes, ten trifluoro octyl triethoxysilanes, ten trifluoroalkyl
At least one in propyl trimethoxy silicane, ten fluoroalkyl trimethoxy silanes or trifluoro propyl trimethoxy silane.?
In environment containing moisture r1-si (or2) 3 molecule occur hydrolysis release hor2 small molecule, r1-si- group be combined with each other and with
Si, o atom strong bonded in low-index layer 12.
Preferably, the r3 in si (r3) mx4-m can be alkane, alkene, aromatic hydrocarbon or halogenated alkane, such as si (r3)
Mx4-m can for methyl trichlorosilane, methyl dodecyl dichlorosilane, dimethyldichlorosilane, dichloromethyl phenylsilane,
At least one in methylvinyldichlorosilane or 3- trifluoro propyl trichlorosilane；Si (r3) in the environment containing moisture
There is hydrolysis release hx molecule in mx4-m, si (r3) m- group be combined with each other and firm with si, o atom in low-index layer 12
In conjunction with.
Wherein, refractive index >=1.8 of described high refractive index layer 11, further preferably >=2.0, more preferably >=2.2, so
Described high refractive index layer 11 can be selected from zn, sn, ti, nb, zr, ni, in, al, ce, w, mo, sb, bi element oxide and its
At least one in mixture, or the nitride of si, al, zr, y, ce, la element, nitrogen oxides and its mixture, specifically may be used
Think tiox, nbox, hfo2、taox、moox、zrox、ceo2、wo3, biox or sizrnx etc.；The folding of described low-index layer 12
Penetrate rate≤1.5, described low-index layer 12 can be selected from sio2、al2o3And its at least one in mixture, specifically permissible
For sialox, wherein si/al atomic ratio is higher than 10.
In fig. 2, described transparent nano film 1 includes a high refraction being outwards sequentially depositing from interior glass plate 101 surface
The laminated construction of rate layer 11/ low-index layer 12, in described laminated construction the geometric thickness of high refractive index layer 11 be 50～
100nm, the geometric thickness of low-index layer 12 is 80～120nm, the geometric thickness of corresponding low-surface-energy film layer 2 is 1～
50nm.But not limited to this, can arrange according to actual needs described transparent nano film 1 include two, three even more high
The laminated construction of index layer 11/ low-index layer 12；For example, as shown in figure 3, when described transparent nano film 1 include two high
During the laminated construction of index layer 11/ low-index layer 12, outwards it is sequentially depositing the first high refraction from interior glass plate 101 surface
Rate layer 110, the first low-index layer 120, the second high refractive index layer 111 and the second low-index layer 121, the first high refractive index layer
110 geometric thickness is 5～35nm, and the geometric thickness of the first low-index layer 120 is 5～35nm, the second high refractive index layer 111
Geometric thickness be 20～50nm, the geometric thickness of the second low-index layer 121 is 80～130nm, corresponding low-surface-energy film
The geometric thickness of layer 2 is 1～50nm.So by film material and the film of reasonable design high refractive index layer and low-index layer
Thickness degree, can make it have outstanding machinery, chemically and thermally stability is it is ensured that IMAGE.Certainly, this practicality is new
Type according to being actually needed, can also show reflectance and other of the p-polarization light of front windshield accordingly based upon described new line
Optical index is optimized setting.
Preferably, in the laminated construction of described high index layer/low index layer, its high refractive index layer also includes multiple
Sublayer, such as, shown in Fig. 4, high refractive index layer 11 includes the first sublayer 112 and the second sublayer 113；And, can set further
Put the refractive index near the sublayer of interior glass plate 101 in high refractive index layer and be less than the refractive index of the sublayer away from interior glass plate 101,
I.e. the refractive index of the first sublayer 112 is less than the refractive index of the second sublayer 113.Similarly, in described high refractive index layer/low-refraction
In the laminated construction of layer, its low-index layer can also include multiple sublayers.
Specifically, in described transparent nano film 1, high refractive index layer and low-index layer can be selected for people in the art
(as evaporation, sputtering) the method plated film of physical vapour deposition (PVD) known to member or chemical vapor deposition, preferably horizontal magnetic control
Sputter coating mode.The former sheet glass of interior glass plate 101 is provided with multiple plated films in entrance after the operations such as pretreatment, cleaning
The sputter coating line of negative electrode, is sequentially depositing each film layer according to high index layer/low index layer laminated construction and its thickness design；
Carry out high-temperature molding after the completion of plated film, close piece；Finally, low-surface-energy film layer 2 can coat before closing piece or after closing piece and be deployed to
The surface of high index layer/low index layer laminated construction, including surface cleaning, coating (spraying, dip-coating, smear), does
The step such as dry.
As shown in figure 5, the common front windshield 21 being not provided with low-surface-energy film layer is very easy to when being touched by finger
Fingerprint 211 occurs and is difficult to wiped clean, be also inconvenient to wipe；The display front windshield that comes back described in the utility model
20, due to being additionally arranged low-surface-energy film layer making it difficult to contamination fingerprint or fingerprint 201 are very inconspicuous.Additionally, low-surface-energy film layer
Coating improve the reflection characteristic to incident p-polarization light for the transparent nano film；And improve front windshield high incident
45 degree of angle (>, or even 60 degree of ＞) appearance color, overcome the problem that yellow, purple easily in high angle reflection colour.
In order to illustrate in greater detail and more support to cogency utility model point of the present utility model, now enumerate some real
Apply example to be described in detail.
Embodiment 1～2 and comparative example
The sodium-calcium-silicate float glass that the thickness being produced with Fu Yao group is 2.1 millimeters, as substrate, through cutting, grinds
After the operations such as side, washing and drying, enter magnetron sputtering plating line and carry out coated film deposition, in alternating deposit such as table 1 on substrate
Transparent nano film, after film deposition terminates, the thickness being produced with Fu Yao group is 2.1 millimeters of sodium-calcium-silicate float glass
For joining piece, according to vehicle glass high temperature molding processes molding, the more colourless pvb film of upper a piece of 0.76 mm of thickness of middle folder,
Close piece in autoclave mesohigh again.
Table 1: the new line display front windshield of embodiment 1～2 and comparative example composition
In this utility model, the transparent nano film outmost surface of comparative example does not coat low-surface-energy film layer, and embodiment 1
The middle low-surface energy substance containing ten trifluoro octyl triethoxysilane compositions according to formula 1 coating, its thickness 15nm；Real
Apply and in example 2, be coated with the low-surface energy substance comprising methyl dodecyl dichlorosilane composition, its thickness 15nm.
Formula 1: silanol solution 96.6% (wherein ten trifluoro octyl triethoxysilanes 5%, tetraethyl orthosilicate 1%,
Remaining dehydrated alcohol), deionized water 3%, 0.4% concentrated hydrochloric acid (37% hcl content), according to this part by weight mix and blend 6
Hour；
Formula 2: silanol solution 95% (wherein methyl dodecyl dichlorosilane 6%, tetraethyl orthosilicate 1.5%, remaining
Isopropanol 94%), deionized water 2%, 3% glacial acetic acid, according to this part by weight mix and blend 10 hours.
Painting method:
Above-mentioned formula solution is coated uniformly on after cleaning up, being dried by the front windshield that above-mentioned conjunction piece completes
Bright nanometer film surface (spraying, dip-coating, film)；Then surface towel or napkin are dried.Glass is placed on 25 DEG C of rings
Border solidification in lower 72 hours；Or electric-heating air blower blowing quickening solidification, then keep 72 hours at normal temperatures.
The optical index of comparative example and embodiment 1～2 is as shown in table 2:
Table 2: the optical index contrast of comparative example and embodiment 1～2
From table 2, setting up low-surface-energy film layer in the coating on the transparent nano film showing front windshield that comes back can
Synthesis improvement performance on the premise of having substantially no effect on visible transmission ratio, comprising:
1) high angle reflection colour improves: a* the and b* value of reflection colour reduces the yellow degree so that in reflection colour
Substantially reduce, the very neutral even more excellent blueness of reflection colour；
2) anti-fouling effect: overcome the problem that can easily stain and be difficult to wiped clean in former technology.
This utility model embodiment enumerated above all comes back in description and shows the structure composition of front windshield, and such as
Specific film deposition technique, parameter and coming back show necessary projection light source etc. all do not describe it is to be appreciated that these
The part not described is all well known to those of ordinary skill in the art, therefore the part not described does not affect this utility model and will protect
The scope of shield.
Above content has been described in detail to the display front windshield that comes back described in the utility model, and lists
Multiple embodiments illustrate, but this utility model is not subject to specific embodiments described above content and the office of corresponding embodiment
Limit, so all any improvement, equivalent modifications and replacements carrying out according to technical essential of the present utility model etc., belongs to this practicality
Novel protected scope.
Claims (8)
1. a kind of display front windshield that comes back, including in glass plate, outer glass plate and be clipped in interior glass plate and outer glass plate
Between middle diaphragm it is characterised in that: also include being deposited on interior glass plate and receive farthest away from transparent on the surface of middle diaphragm
Rice film and the low-surface-energy film layer being coated in described transparent nano film, described transparent nano film includes at least one from interior glass
The laminated construction of the high index layer/low index layer that plate surface is outwards sequentially depositing, the refractive index of described high refractive index layer >=
1.8, refractive index≤1.5 of described low-index layer；The material of described low-surface-energy film layer is selected from 17 fluorine decyl trimethoxies
Silane, ten trifluoro octyl triethoxysilanes, ten trifluoroalkyl propyl trimethoxy silicanes, ten fluoroalkyl trimethoxy silicon
Alkane, trifluoro propyl trimethoxy silane, methyl trichlorosilane, methyl dodecyl dichlorosilane, dimethyldichlorosilane, methyl
At least one in diphenyl dichlorosilane, methylvinyldichlorosilane or 3- trifluoro propyl trichlorosilane；Described low-surface-energy
Surface energy≤the 0.3jm of film layer-2, its refractive index≤1.6, its 90 degree of contact angle ＞ with deionized water, its geometric thickness be 1～
100nm.
2. according to claim 1 come back display front windshield it is characterised in that: described high refractive index layer be selected from zn,
The oxide of sn, ti, nb, zr, ni, in, al, ce, w, mo, sb, bi element and its mixture, or si, al, zr, y, ce, la unit
At least one in the nitride of element, nitrogen oxides and its mixture.
3. according to claim 1 come back display front windshield it is characterised in that: described low-index layer be selected from sio2、
al2o3And its at least one in mixture.
4. according to claim 1 come back display front windshield it is characterised in that: high index of refraction in described laminated construction
The geometric thickness of layer is 50～100nm, and the geometric thickness of low-index layer is 80～120nm, corresponding low-surface-energy film layer
Geometric thickness is 1～50nm.
5. according to claim 1 come back display front windshield it is characterised in that: when described transparent nano film includes two
During the laminated construction of individual high index layer/low index layer, outwards it is sequentially depositing the first high index of refraction from interior glass pane surface
Layer, the first low-index layer, the second high refractive index layer and the second low-index layer, the geometric thickness of the first high refractive index layer is 5
～35nm, the geometric thickness of the first low-index layer is 5～35nm, and the geometric thickness of the second high refractive index layer is 20～50nm,
The geometric thickness of the second low-index layer is 80～130nm, and the geometric thickness of corresponding low-surface-energy film layer 2 is 1～50nm.
6. according to claim 1 come back display front windshield it is characterised in that: in described high refractive index layer/low folding
Penetrate in the laminated construction of rate layer, its high refractive index layer also includes multiple sublayers.
7. according to claim 6 come back display front windshield it is characterised in that: near interior glass in high refractive index layer
The refractive index of the sublayer of plate is less than the refractive index of the sublayer away from interior glass plate.
8. according to claim 1 come back display front windshield it is characterised in that: in described high refractive index layer/low folding
Penetrate in the laminated construction of rate layer, its low-index layer includes multiple sublayers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620548506.0U CN205893090U (en) | 2016-06-07 | 2016-06-07 | Come back and show front windshield |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620548506.0U CN205893090U (en) | 2016-06-07 | 2016-06-07 | Come back and show front windshield |
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| Publication Number | Publication Date |
|---|---|
| CN205893090U true CN205893090U (en) | 2017-01-18 |
Family
ID=57767293
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| CN201620548506.0U Active CN205893090U (en) | 2016-06-07 | 2016-06-07 | Come back and show front windshield |
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| CN (1) | CN205893090U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106082712A (en) * | 2016-06-07 | 2016-11-09 | 福耀玻璃工业集团股份有限公司 | A kind of display front windshield that comes back |
| CN114105490A (en) * | 2021-12-16 | 2022-03-01 | 福耀玻璃工业集团股份有限公司 | Low-emissivity coated glass |
| WO2023155316A1 (en) * | 2022-05-19 | 2023-08-24 | 福耀玻璃工业集团股份有限公司 | Head-up display glass and head-up display system |
-
2016
- 2016-06-07 CN CN201620548506.0U patent/CN205893090U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106082712A (en) * | 2016-06-07 | 2016-11-09 | 福耀玻璃工业集团股份有限公司 | A kind of display front windshield that comes back |
| CN114105490A (en) * | 2021-12-16 | 2022-03-01 | 福耀玻璃工业集团股份有限公司 | Low-emissivity coated glass |
| CN114105490B (en) * | 2021-12-16 | 2022-11-29 | 福耀玻璃工业集团股份有限公司 | Low-emissivity coated glass |
| WO2023155316A1 (en) * | 2022-05-19 | 2023-08-24 | 福耀玻璃工业集团股份有限公司 | Head-up display glass and head-up display system |
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