CN205375303U - Protection cover plate - Google Patents
Protection cover plate Download PDFInfo
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- CN205375303U CN205375303U CN201620053987.8U CN201620053987U CN205375303U CN 205375303 U CN205375303 U CN 205375303U CN 201620053987 U CN201620053987 U CN 201620053987U CN 205375303 U CN205375303 U CN 205375303U
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- layer
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- ground floor
- visible area
- refractive index
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- 238000002310 reflectometry Methods 0.000 claims abstract description 32
- 239000000758 substrate Substances 0.000 claims description 47
- 239000000463 material Substances 0.000 claims description 26
- ORUIBWPALBXDOA-UHFFFAOYSA-L magnesium fluoride Chemical group [F-].[F-].[Mg+2] ORUIBWPALBXDOA-UHFFFAOYSA-L 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 241001132374 Asta Species 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000000007 visual effect Effects 0.000 abstract description 6
- 239000010410 layer Substances 0.000 description 248
- 239000010408 film Substances 0.000 description 18
- 230000000694 effects Effects 0.000 description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 13
- 235000012239 silicon dioxide Nutrition 0.000 description 6
- 239000000377 silicon dioxide Substances 0.000 description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 5
- 229920002120 photoresistant polymer Polymers 0.000 description 5
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 5
- 229910001635 magnesium fluoride Inorganic materials 0.000 description 4
- 238000000576 coating method Methods 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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- Laminated Bodies (AREA)
Abstract
The utility model provides a protection cover plate and manufacturing method. Protection cover plate contains base plate, light shield layer and the first layer body and piles up. The base plate has the first surface and the second surface of relative setting. The light shield layer sets up in the first surface of base plate, and wherein the light shield layer has the light shield layer opening to the visible area and the non visual district of definition base plate. The first layer body piles up the second surface that sets up in the base plate and just is located the non visual district at least. The first layer body piles up in the reflectivity difference of visible wavelength within range and is less than 2%, and the reflectivity in the non visual district is less than 2.5%.
Description
Technical field
This utility model relates to technical field of touch control, particularly relates to a kind of cover sheet.
Background technology
In recent years, display device is shown as information interface and apply in large quantities in various electronic product.Set up in display device and be equipped with light shield layer, to cover perimeter circuit.In order to promote visual effect, often it is outside equipped with anti-reflecting layer at display device, to reduce the quality of image of environment light impact output.Using, often design the characteristic of this anti-reflecting layer according to the demand of the quality of image, namely anti-reflecting layer is the collocation visible area of display device and designs, and these anti-reflecting layers are often inclined to has bigger anti-reflection effect.
So that non-visible area also has anti-reflection effect, but, due in the non-visible area that light shield layer is defined, there is relatively low brightness, therefore, the anti-reflecting layer with bigger antireflection ability is not be best suitable for collocation non-visible area, in other words, anti-reflecting layer high for antireflection ability suitable in visible area is arranged at non-visible area, human eye still easily observes not good visual appearance effect in non-visible area, such as light shield layer can not present its original true colors and heterochromatic problem occurs, thus affecting the appearance of display device.
Utility model content
Multiple embodiments of this utility model provide a kind of cover sheet; by the layer volume property changed in non-visible area; this layer body being positioned at non-visible area has antiradar reflectivity (reflectance is less than 2.5%); and make the non-visible area at light shield layer place have anti-reflection effect; this is positioned at the layer body anti-reflection effect close consistent (difference in reflectivity is less than 2%) in visible ray of non-visible area simultaneously, so that light shield layer can present its true colors and reduce heterochromatic problem.
Some embodiments according to this utility model, it is stacking that cover sheet comprises substrate, light shield layer and ground floor body.Substrate has the first surface and second surface that are oppositely arranged.Light shield layer is arranged at the first surface of substrate, and wherein light shield layer has light shield layer opening, to define visible area and the non-visible area of substrate.The stacking second surface being arranged at substrate of ground floor body and be located at least in non-visible area.Ground floor body is stacked in the difference in reflectivity in visible wavelength range less than 2%, and ground floor body is stacked on non-visible area reflectance in visible wavelength range less than 2.5%.
In multiple embodiments of this utility model, ground floor body is stacking comprises first refractive index layer, and wherein the ranges of indices of refraction of first refractive index layer is about 1.2 to about 1.8.
In multiple embodiments of this utility model, it is stacking that cover sheet comprises second layer body, is arranged at the second surface of substrate and is positioned at visible area, and wherein ground floor body is stacking stacking with second layer body is connected, and second layer body to be stacked as antireflection stacking.
In multiple embodiments of this utility model; it is stacking stacking with third layer body that cover sheet comprises second layer body; it is arranged at the second surface of substrate and is positioned at this visible area; wherein the stacking system of second layer body is stacking at third layer body and between substrate, the refractive index of one layer of body that the refractive index contiguous second layer body stacking more than third layer body of one layer of body that the stacking contiguous third layer body of second layer body is stacking is stacking.
In multiple embodiments of this utility model, the stacking material stacking with ground floor body of third layer body is identical, and third layer body is stacking is stacked as same processing procedure with ground floor body and is formed.
In multiple embodiments of this utility model, it is positioned at the reflectance that the stacking reflectance stacking with second layer body of the third layer body being stacked of visible area is stacking less than the ground floor body being positioned at non-visible area.
In multiple embodiments of this utility model, it is positioned at that the three anti-layers body being stacked of visible area are stacking is stacked in the difference in reflectivity of visible wavelength less than 1% with second layer body.
In multiple embodiments of this utility model, ground floor body is stacking has opening, is positioned at visible area, and second layer body is stacking is positioned at the opening that ground floor body is stacking.
In multiple embodiments of this utility model, second layer body is stacking comprises multiple third reflect rate layer and fourth refractive index layer, every two third reflect rate layers are spaced apart by fourth refractive index layer, the wherein adjacent substrate of one of third reflect rate layer, the wherein refractive index of the first refractive index layer that the refractive index of third reflect rate layer is stacking more than fourth refractive index layer and this ground floor body.
In multiple embodiments of this utility model, the ranges of indices of refraction of third reflect rate layer is between about 2.2 to about 2.4, and the ranges of indices of refraction of fourth refractive index layer is between about 1.4 to about 1.6.
In multiple embodiments of this utility model, wherein ground floor body is stacking has opening, is positioned at visible area.
In multiple embodiments of this utility model, substrate comprises par and is arranged at the kink of at least side of par, and wherein light shield layer relative two sides that are at least arranged at kink stacking with ground floor body, bending part is in non-visible area.
In multiple embodiments of this utility model, the material of one of ground floor body is stacking first refractive index layer is Afluon (Asta).
Accompanying drawing explanation
Figure 1A is the profile of the cover sheet according to one of this utility model embodiment.
Figure 1B is the refractive index spectrogram that the part ground floor body according to some embodiments cover sheet is stacking.
Fig. 1 C is the reflecting spectrum figure that the ground floor body according to some embodiments cover sheet is stacking.
Fig. 2 is the profile of the cover sheet of another embodiment according to this utility model.
Fig. 3 is the profile of the cover sheet of a further embodiment according to this utility model.
Fig. 4 is the profile of the cover sheet of another embodiment according to this utility model.
Fig. 5 is the profile of the cover sheet of the another embodiment according to this utility model.
Fig. 6 A to Fig. 6 D is that the cover sheet according to an embodiment of the present utility model is in the profile of multiple fabrication stages.
100: cover sheet 142: third reflect rate layer
110: substrate 144: fourth refractive index layer
112: par 150: third layer body is stacking
114: kink 154: the five index layer
120: light shield layer 200: overlay film
122: light shield layer opening 210: hollow-out parts
130: the stacking S1 of ground floor body: first surface
130a: bottom surface S2: second surface
134: first refractive index layer VA: visible area
136: opening NA: non-visible area
140: second layer body is stacking
140 ': material
140a: bottom surface
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, this utility model is described in further detail.
Figure 1A is the profile of the cover sheet 100 according to one of this utility model embodiment.Cover sheet 100 comprises substrate 110, light shield layer 120 and ground floor body stacking 130.Substrate 110 has the first surface S1 that is oppositely arranged and second surface S2, and wherein, when cover sheet 100 uses as the outer cover plate of display device, second surface S2 compares first surface S1 closer to human eye.Light shield layer 120 is arranged at the first surface S1 of substrate 110, and wherein light shield layer 120 has light shield layer opening 122, and to define the visible area VA and non-visible area NA of substrate 110, wherein the region of light shield layer opening 122 correspondence is visible area VA, and other is non-visible area NA.Ground floor body stacking 130 is arranged at the second surface S2 of substrate 110 and is located at least in non-visible area NA.Be positioned at the ground floor body stacking 130 of the non-visible area NA difference in reflectivity in the corresponding different wave length of visible wavelength range less than 2%, and ground floor body stacking 130 at non-visible area NA reflectance in visible wavelength range less than 2.5%.
In herein, " difference in reflectivity " of a material or structure is be defined as this material or the structure difference of the maximum reflectivity of (wavelength 400 nm is between wavelength 700 nm) and minimum reflectance in visible wavelength range.
In one embodiment, ground floor body stacking 130 comprises first refractive index layer 134.First refractive index layer 134 is arranged at the second surface S2 of substrate 110 and is positioned at non-visible area NA.The ranges of indices of refraction of first refractive index layer 134 is about 1.2 to about 1.8.
In multiple embodiments of this utility model, in non-visible area NA, by the ground floor body stacking 130 less only with difference in reflectivity, and the reflectivity range of above-mentioned ground floor body stacking 130 of arranging in pairs or groups.Thus, non-visible area NA is made both to have had antireflecting effect, simultaneously from visual effect, the color of the light shield layer 120 of non-visible area NA can't change because of ground floor body stacking 130, itself color of light shield layer 120 can be presented, it is possible to reduce light shield layer 120 on non-visible area NA and it is easily observed heterochromatic problem.
Continuing referring to Figure 1A, in multiple embodiments of this utility model, cover sheet 100 comprises second layer body stacking 140 and third layer body stacking 150.Second layer body stacking 140 is arranged at the second surface S2 of substrate 110 and is positioned at visible area VA, third layer body stacking 150 is arranged at the side of stacking 140 opposing substrate 110 of second layer body, and makes second layer body stacking 140 between third layer body stacking 150 and substrate 110.
Second layer body stacking 140 comprises multiple third reflect rate layer 142 and fourth refractive index layer 144, every two third reflect rate layers 142 are spaced apart by a fourth refractive index layer 144, the wherein adjacent substrate 110 of one of third reflect rate layer 142 (being positioned at the third reflect rate layer 142 below fourth refractive index layer 144 in such as Figure 1A), another (being positioned at the third reflect rate layer 142 above fourth refractive index layer 144 in such as Figure 1A) of third reflect rate layer 142 adjoins third layer body stacking 150.The refractive index of third reflect rate layer 142 is more than the refractive index of fourth refractive index layer 144.In some embodiments, the refractive index of third reflect rate layer 142 is more than the refractive index of first refractive index layer 134.In this, although only illustrate this second layer body stacking 140 with three-decker, but practical application can adopt the structures such as five layers, seven layers, shown in Ying Yitu, not limit the scope of this utility model.
In some embodiments, the material of ground floor body stacking 130 stacking with third layer body 150 is identical.In multiple embodiments of this utility model, third layer body stacking 150 comprises the 5th index layer 154.Using less the 5th index layer 154 of refractive index as the outermost layer connecting air in visible area VA, with reduce air and layer body stacking between the reflectance at interface.
And, the refractive index of the 5th index layer 154 of the adjacent second layer body stacking 140 of refractive index stacking more than third layer body 150 of the third reflect rate layer 142 of the adjacent third layer body stacking 150 of second layer body stacking 140, so that second layer body stacking 140 stacking with third layer body 150 forms the layered relationship of the staggered collocation of refractive index height, to maintain the anti-reflection effect of visible area VA through destruction interference.
In this, in visible wavelength range, compared to the conventional anti-reflecting layer being applicable to visible area VA, the difference in reflectivity of ground floor body stacking 130 is less than 2%, having more uniform anti-reflection effect, there is heterochromatic problem in the light shield layer 120 to reduce non-visible area NA.The third layer body stacking 150 being stacked and the second layer body stacking 140 that are positioned at visible area VA fold the reflectance reflectance less than the ground floor body stacking 130 being positioned at non-visible area NA of structure in visible wavelength range entirety, preferably, it is positioned at the reflectance of the overall folded structure of the third layer body stacking 150 being stacked stacking with second layer body 140 of this visible area VA less than 1%, so that visible area VA has preferably anti-reflection effect.
In present embodiment, for improving process efficiency and realizing seamless link between ground floor body stacking 130 and second layer body stacking 140, ground floor body stacking 130 and third layer body stacking 150 are made up of identical fabrication steps, both edges can interconnect and as continuous print structure, certainly should not limit the scope of this utility model with this.Or, in other embodiments, ground floor body stacking 130 and third layer body stacking 150 can be formed respectively, and both can not interconnect, and its material can be different.
In some embodiments; ground floor body stacking 130 is stacking with second layer body 140 adjacent; and the bottom surface 130a of ground floor body stacking 130 is aligned in the bottom surface 140a of second layer body stacking 140, so that ground floor body stacking 130 can be completely covered the second surface S2 of cover sheet 100 in conjunction with second layer body stacking 140.
In multiple embodiments of this utility model, the ground floor body stacking 130 projection on substrate 110 is completely covered non-visible area NA, and second layer body stacking 140 is not in non-visible area NA.Owing to the reflectance of the ground floor body stacking 130 each wavelength in visible wavelength range is more consistent, therefore, the light shield layer 120 in non-visible area NA can be reduced and be subject to the impact of ground floor body stacking 130, reduce the problem that the light shield layer 120 in non-visible area NA is heterochromatic.In some embodiments, the ground floor body stacking 130 of part is also located in visible area VA.In other embodiments, ground floor body stacking 130 can be only located at non-visible area NA, and is not at visible area VA.
Material that each layer of body illustrated below is stacking and correlation properties, it should be appreciated that the material during each layer of body is stacking and layer body quantity can have various deformation.
In multiple embodiments of this utility model, in ground floor body stacking 130, the material of first refractive index layer 134 can be Afluon (Asta) or its compositions.In this, although only illustrate this ground floor body stacking 130 with single layer structure, but in practical application, ground floor body stacking 130 can also comprise other layer of body on first refractive index layer 134, for instance silicon dioxide layer.In multiple embodiments of this utility model, in second layer body stacking 140, the ranges of indices of refraction of third reflect rate layer 142 is between about 2.2 to about 2.4, and the ranges of indices of refraction of fourth refractive index layer 144 is between about 1.4 to about 1.6.For example, the material of third reflect rate layer 142 can be titanium oxide (Ti3O5), silicon nitride (Si3N4), niobium oxide (Nb2O5), and the material of fourth refractive index layer 144 can be silicon dioxide.
Specifically, referring concurrently to Figure 1B and Fig. 1 C.Figure 1B is the refractive index spectrogram of the part ground floor body stacking 130 according to some embodiments cover sheet, and Fig. 1 C is the reflecting spectrum figure of the ground floor body stacking 130 according to some embodiments cover sheet 100.In this, ground floor body stacking 130 is stacked as example with magnesium fluoride layer and silicon dioxide layer, the difference in reflectivity stacking in order to better illustrate ground floor body, the reflectivity spectrum that anti-reflecting layer such as titanium oxide and silicon dioxide that in Fig. 1 C, another curve is conventional are stacking, to illustrate as a comparison.Figure 1B is the refractive index spectrogram of magnesium fluoride layer.With reference to Figure 1B, the magnesium fluoride layer of ground floor body stacking 130 refractive index value in visible ray is between 1.2 to 1.8 (in the scope represented by dotted line).With reference to Fig. 1 C, the ground floor body stacking 130 difference in reflectivity (representing with fine rule) in visible ray is stacked in the difference in reflectivity (representing with thick line) in visible ray less than titanium oxide and silicon dioxide, for instance in figure, the ground floor body stacking 130 difference in reflectivity in visible ray is less than 2%.Consequently, it is possible to these ground floor bodies stacking 130 reduce the problem that the light shield layer 120 in non-visible area NA is heterochromatic under the quality of image not sacrificing visible area VA.
Additionally, due in some embodiments, the material of third layer body stacking 150 stacking with ground floor body 130 is identical, therefore, the 5th index layer 154 can be identical with the material of first refractive index layer 134.
In the some embodiments of this utility model, 5th index layer 154 of the adjacent third layer body stacking 150 of another (being positioned at the third reflect rate layer 142 above fourth refractive index layer 144 in such as Figure 1A) of third reflect rate layer 142, make in visible area VA, the third layer body stacking 150 that the bigger second layer body of difference in reflectivity stacking 140 is less with difference in reflectivity is combined into the structure that a refractive index height is staggered, effectively achieves antireflecting effect with destruction interference.And in non-visible area NA, only with the ground floor body stacking 130 that difference in reflectivity is less, on non-visible area NA, it is easily observed heterochromatic problem to reduce.
Fig. 2 is the profile of the cover sheet 100 of another embodiment according to this utility model.Present embodiment is similar to the embodiment of Figure 1A, difference is in that: in present embodiment, substrate 110 comprises par 112 and is arranged at the kink 114 of at least side of par 112, wherein light shield layer 120 stacking with ground floor body 130 is at least provided with in relative two sides of kink 114, and kink 114 is positioned at non-visible area NA.Ground floor body stacking 130 covers kink 114.
As aforementioned, in visible area VA, the third layer body stacking 150 adopting the bigger second layer body of difference in reflectivity stacking 140 and difference in reflectivity less is combined into the structure that a refractive index height is staggered, and adopt relatively low the 5th index layer 154 of refractive index as outermost layer, and antireflecting effect can be effectively achieved.And in non-visible area NA, particularly when light shield layer 120 is also provided on kink 114, if the known anti-reflecting layer being only applicable to visible area VA is directly arranged on kink 114, and it is positioned at the opposite side of light shield layer 120, on the one hand owing to curved surface plated film can cause that anti-reflecting layer appearance is in uneven thickness, thus causing that the light shield layer of curved surface area is heterochromatic.On the other hand, principle of interference is utilized to reach the anti-reflecting layer of antireflection effect, because the existence of curved surface and incident angle are bigger, it is possible to make reflection light to interfere smoothly, and then cannot normal operation, it is easy to cause that the light shield layer of curved surface area produces heterochromatic corresponding open defect such as grade.Therefore the known anti-reflecting layer suitable in visible area VA is then no longer applicable to kink 114, it is impossible to truly present the color that light shield layer 120 is original.This utility model adopts the ground floor body stacking 130 that difference in reflectivity is less to cover non-visible area NA, arranges by this, it is possible to reduce the generation that it is easily observed the heterochromatic problem of light shield layer 120 on the kink 114 of non-visible area NA.
Other details of present embodiment, generally as described in the embodiment of Figure 1A, do not repeat them here.
Fig. 3 is the profile of the cover sheet 100 of a further embodiment according to this utility model.Present embodiment is similar to the embodiment of Figure 1A, and difference is in that: in present embodiment, and cover sheet 100 does not comprise third layer body stacking 150, and the antireflection that second layer body stacking 140 is the collocation of multilamellar height low-refraction is stacking.In this, ground floor body stacking 130 has opening 136, is positioned at visible area VA.Second layer body stacking 140 is positioned at the opening 136 of ground floor body stacking 130.Ground floor body stacking 130 covers non-visible area NA and visible area VA in conjunction with second layer body stacking 140 comprehensively.
In present embodiment, second layer body stacking 140 comprises multiple third reflect rate layer 142 and multiple fourth refractive index layer 144, and third reflect rate layer 142 is interlaced with each other with fourth refractive index layer 144.The refractive index of third reflect rate layer 142 is more than the refractive index of fourth refractive index layer 144.In this, using the less fourth refractive index layer 144 of refractive index as the outermost layer connecting air, to reduce reflectance.
In present embodiment, in visible area VA, second layer body stacking 140 reach antireflecting effect.And in non-visible area NA, only with difference in reflectivity 140 little ground floor bodies stacking 130 stacking compared with second layer body, on non-visible area NA, it is easily observed heterochromatic problem to reduce.Other details of present embodiment, generally as described in the embodiment of Figure 1A, do not repeat them here.
Fig. 4 is the profile of the cover sheet 100 of another embodiment according to this utility model.Present embodiment is similar to the embodiment of Figure 1A, and difference is in that: in present embodiment, and cover sheet 100 only comprises ground floor body stacking 130, does not comprise third layer body stacking 150 140 (with reference to Figure 1A) stacking with second layer body.Ground floor body stacking 130 has opening 136, is positioned at visible area VA.
In present embodiment, do not adopt any layer of body stacking in visible area VA.And in non-visible area NA, only with the ground floor body stacking 130 that difference in reflectivity is less, on light shield layer 120, it is easily observed heterochromatic problem to reduce.Other details of present embodiment, generally as described in the embodiment of Figure 1A, do not repeat them here.
Fig. 5 is the profile of the cover sheet 100 of the another embodiment according to this utility model.Present embodiment is similar to the embodiment of Fig. 4, difference is in that: in present embodiment, substrate 110 comprises par 112 and is arranged at the kink 114 of at least side of par 112, wherein light shield layer 120 stacking with ground floor body 130 is at least provided with in relative two sides of kink 114, and kink 114 is positioned at non-visible area NA.Ground floor body stacking 130 covers kink 114.
In present embodiment, do not adopt any layer of body stacking in visible area VA.And in non-visible area NA, only with the ground floor body stacking 130 that difference in reflectivity is less, on the kink 114 of non-visible area NA, it is easily observed heterochromatic problem to reduce.Other details of present embodiment, generally as described in the embodiment of Figure 1A, do not repeat them here.
Fig. 6 A to Fig. 6 D is that the cover sheet 100 according to an embodiment of the present utility model is in the profile of multiple fabrication stages.Following manufacturing process can be correspondingly formed the cover sheet 100 of embodiment illustrated in fig. 2, and the cover sheet forming step of other embodiments can be substantially identical with this.
First, with reference to Fig. 6 A, it is provided that substrate 110 also forms light shield layer 120 on it.Substrate 110 comprises par 112 and is arranged at the kink 114 of at least side of par 112, and substrate 110 has first surface S1 and the second surface S2 being oppositely arranged.In this, light shield layer 120 being formed at the first surface S1 of substrate 110 and is positioned on kink 114, in the present embodiment, light shield layer 120 is also partially located on par 112.In present embodiment, light shield layer 120 has light shield layer opening 122, to define the visible area VA and non-visible area NA of substrate 110.Kink 114 is positioned at non-visible area NA.In this, also forming overlay film 200 in the second surface S2 of substrate 110, wherein overlay film 200 comprises the hollow-out parts 210 being positioned at visible area VA.
In present embodiment, overlay film 200 can be the soft thin film substrate with release ability, in order to divesting overlay film 200 once.Overlay film 200 directly can contact with substrate 110, and utilizes its release ability to paste to kink 114.Or, it is possible to through coating liquid state colloid on kink 114, then form overlay film 200 through modes such as solidification or bakings.The material of overlay film 200 can be the disposable material divested of energy after solidifying, and for example, overlay film 200 can be resin.In present embodiment, the relation of light shield layer opening 122 and overlay film 200, it is possible to there is other multiple modification, but generally, the hollow-out parts 210 orthographic projection on substrate 110 is positioned within light shield layer opening 122 or roughly the same with light shield layer opening 122.
In other embodiments, the material of overlay film 200 can be photoresistance.By arranging photoresist layer on second surface S2, and with light shield layer 120 as light shield, light is made through the light shield layer opening 122 of light shield layer 120, photoresist layer to be exposed, and divest through wet type more after developing or dry type the mode such as divests and removes the photoresist layer after being exposed development, make remaining photoresist layer as overlay film 200.In some embodiments, owing to light shield layer 120 is as the light shield of photoresist layer exposure process, the light shield layer opening 122 of hollow-out parts 210 and light shield layer 120 has roughly the same pattern, and namely light shield layer opening 122 is identical with area with the hollow-out parts 210 of overlay film 200 projection of shape on substrate 110.
Then, with reference to Fig. 6 B, forming at least one material 140 ' on overlay film 200, wherein material 140 ' covers overlay film 200 and inserts hollow-out parts 210.In multiple embodiments of this utility model, it is possible to through modes such as deposition, coatings, multiple layers of material are inserted hollow-out parts 210, to constitute multiple layers of body so that material 140 ' can comprise multiple layers of body, for instance titanium oxide layer and silicon dioxide layer.
With reference to Fig. 6 C, removing overlay film 200 and be positioned at the material 140 ' on overlay film 200, making remaining material 140 ' (with reference to Fig. 6 B) form second layer body stacking 140, second layer body stacking 140 is positioned at the second surface S2 of substrate 110 and is positioned at visible area VA.
Then, with reference to Fig. 6 D, form ground floor body stacking 130 and third layer body stacking 150 on the second surface S2 of substrate 110.In this, in the same manner, it is possible to form ground floor body stacking 130 and third layer body stacking 150 through modes such as deposition, coatings.Ground floor body stacking 130 is located at least in non-visible area NA, and third layer body stacking 150 is positioned at visible area VA.In multiple embodiments of this utility model, the step forming ground floor body stacking 130 can carry out with the step forming third layer body stacking 150 simultaneously.Material and the manufacture process of each layer of body of third layer body stacking 150 stacking with ground floor body 130 are roughly the same.
In multiple embodiments of this utility model, light shield layer 120 stacking with ground floor body 130 is at least provided with in relative two sides of kink 114, and is not provided with second layer body stacking 140 in non-visible area NA.As previously mentioned, second layer body stacking 140 stacking compared to third layer body 150 can have higher reflectance, and the difference in reflectivity of the difference in reflectivity system configuration stacking less than second layer body 140 of ground floor body stacking 130, use when do not sacrifice affect quality, improve aforesaid heterochromatic problem.
In multiple embodiments of this utility model, after the formation of second layer body stacking 140, just form third layer body stacking 150 thereon so that second layer body stacking 140 is between third layer body stacking 150 and substrate 110.In this, ground floor body stacking 130 and second layer body stacking 140 are to be directly arranged on substrate 110, and make ground floor body stacking 130 and second layer body stacking 140 adjacent, and the bottom surface 130a of ground floor body stacking 130 is aligned in the bottom surface 140a of second layer body stacking 140.
In this, ground floor body stacking 130 and third layer body stacking 150 can comprise multiple layers of body, for instance silicon oxide layer and magnesium fluoride layer.At this, in order to fabrication steps is conveniently described, not each layer of body of shows in detail stacking in layer body, the stacking detailed construction of each layer of body of present embodiment is referred to the structure of the embodiment of Fig. 2, does not repeat them here.
In some embodiments, third layer body stacking 150 configuration not necessarily, it is possible to through etch process or additive method, remove or omit third layer body stacking 150.Other details of present embodiment, generally as described in the embodiment of Fig. 2, do not repeat them here.
Multiple embodiments of this utility model provide a kind of cover sheet; by the layer volume property changed in non-visible area; this layer body being positioned at non-visible area is made to have antiradar reflectivity (reflectance is less than 2.5%); and making the non-visible area at light shield layer place have anti-reflection effect, this is positioned at the layer body anti-reflection effect close consistent (difference in reflectivity is less than 2%) in visible ray of non-visible area simultaneously.Thus, it is possible under the quality of image not sacrificing visible area, reduce the problem that the layer body of the non-visible area difference in reflectivity on light shield layer is heterochromatic with light shield layer.
The foregoing is only preferred embodiment of the present utility model; not in order to limit this utility model; all within spirit of the present utility model and principle, any amendment of making, equivalent replacements, improvement etc., should be included within the scope that this utility model is protected.
Claims (13)
1. a cover sheet, it is characterised in that comprise:
One substrate, has the first surface and a second surface that are oppositely arranged；
One light shield layer, is arranged at this first surface of this substrate, and wherein this light shield layer has a light shield layer opening, to define one of this substrate visible area and a non-visible area；And
One ground floor body is stacking, it is arranged at this second surface of this substrate and is located at least in this non-visible area, this ground floor body is stacked in the difference in reflectivity of the interior corresponding different wave length of visible wavelength range less than 2%, and this ground floor body is stacked on non-visible area reflectance in visible wavelength range less than 2.5%.
2. cover sheet according to claim 1, it is characterised in that ground floor body is stacking comprises for this:
One first refractive index layer, wherein the ranges of indices of refraction of this first refractive index layer is 1.2 to 1.8.
3. cover sheet according to claim 1, it is characterised in that more comprise:
One second layer body is stacking, is arranged at this second surface of this substrate and is positioned at this visible area, and wherein stacking second layer body is stacking is connected with this for this ground floor body, and this second layer body is stacked as primary antibodie reflective stack.
4. cover sheet according to claim 1; it is characterized in that; more comprise a second layer body stacking stacking with a third layer body; it is arranged at this second surface of this substrate and is positioned at this visible area; wherein this second layer body is stacking stacking at this third layer body and between substrate, the refractive index of one layer of body that the refractive index of one layer of body that this this third layer body of stacking vicinity of second layer body is stacking is stacking more than this this second layer body of stacking vicinity of third layer body.
5. cover sheet according to claim 4, it is characterised in that the stacking material stacking with this ground floor body of this third layer body is identical, and this third layer body is stacking is stacked as same processing procedure with this ground floor body and is formed.
6. cover sheet according to claim 4, it is characterised in that be positioned at the reflectance that the stacking reflectance stacking with this second layer body of this third layer body being stacked of this visible area is stacking less than the ground floor body being positioned at this non-visible area.
7. cover sheet according to claim 6, it is characterised in that be positioned at that this third layer body being stacked of this visible area is stacking is stacked in the reflectance of visible wavelength range less than 1% with this second layer body.
8. cover sheet according to claim 4, it is characterised in that this ground floor body is stacking has an opening, is positioned at this visible area, this second layer body is stacking is positioned at this opening that this ground floor body is stacking.
9. cover sheet according to claim 4, it is characterised in that second layer body is stacking comprises for this:
A plurality of third reflect rate layers；And
At least one fourth refractive index layer, wherein every two those third reflect rate layers are spaced apart by this fourth refractive index layer, wherein one of those third reflect rate layers this substrate adjacent, the wherein refractive index of the first refractive index layer that the refractive index of this third reflect rate layer is stacking more than this fourth refractive index layer and this ground floor body.
10. cover sheet according to claim 9, it is characterised in that the ranges of indices of refraction of those third reflect rate layers is between 2.2 to 2.4, the ranges of indices of refraction of this fourth refractive index layer is between 1.4 to 1.6.
11. cover sheet according to claim 1, it is characterised in that this ground floor body is stacking has an opening, is positioned at this visible area.
12. according to the cover sheet described in claim 1 to 11 any one; it is characterized in that; this substrate comprises a par and is arranged at the kink of at least side of this par; wherein this light shield layer relative two sides of being at least arranged at this kink stacking with this ground floor body, this bending part is in this non-visible area.
13. cover sheet according to claim 1, it is characterised in that the material of one of this ground floor body is stacking first refractive index layer is Afluon (Asta).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620053987.8U CN205375303U (en) | 2016-01-20 | 2016-01-20 | Protection cover plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620053987.8U CN205375303U (en) | 2016-01-20 | 2016-01-20 | Protection cover plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205375303U true CN205375303U (en) | 2016-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620053987.8U Withdrawn - After Issue CN205375303U (en) | 2016-01-20 | 2016-01-20 | Protection cover plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205375303U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106990808A (en) * | 2016-01-20 | 2017-07-28 | 宸鸿科技(厦门)有限公司 | Cover sheet and preparation method thereof |
-
2016
- 2016-01-20 CN CN201620053987.8U patent/CN205375303U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106990808A (en) * | 2016-01-20 | 2017-07-28 | 宸鸿科技(厦门)有限公司 | Cover sheet and preparation method thereof |
| CN106990808B (en) * | 2016-01-20 | 2023-10-24 | 宸鸿科技(厦门)有限公司 | Protective cover plate and manufacturing method thereof |
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