Specific embodiment
To enable above-mentioned purpose of the present utility model, feature and advantage more obvious understandable, below in conjunction with the accompanying drawings to this
The specific embodiment of utility model is described in detail.Elaborate many details in order to abundant in the following description
Understand the utility model.But the utility model can be implemented with being much different from other manner described here, this area
Technical staff can do similar improvement in the case of without prejudice to the utility model intension, therefore the utility model does not receive following public affairs
The limitation of the specific implementation opened.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with technology of the present utility model is belonged to
The implication that the technical staff in domain is generally understood that is identical.It is herein to be in term used in the description of the present utility model
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " include
The arbitrary and all of combination of one or more related Listed Items.
A kind of cover-plate glass stepped construction that the utility model is provided is used as the electronic product with touch controllable function
Display surface housing, these electronic products including but be not limited to mobile phone, camera, panel computer, terminal display etc..
Fig. 1 is the cover-plate glass stepped construction schematic diagram that the utility model one is implemented to exemplify.Refer to Fig. 1, cover plate glass
Glass stepped construction includes glass substrate 10, tack coat 40 and hardened layer 50.
The cover-plate glass stepped construction also includes UV texture layers 60, is deposited with layer 70 and ink layer 80, the hardened layer 50,
UV texture layers 60, evaporation layer 70 and ink layer 80 are cascading.
The glass substrate 10 has relative inner surface 101 and outer surface 102.Specific in the present embodiment, glass base
Plate 10 is plate glass.Glass substrate 10 can be rendered as the shape such as rectangle, circle, square according to the electronic product applied
Shape.
In the present embodiment, the inner surface 101 of glass substrate 10 is that, towards the surface inside electronic product, outer surface 102 is
Towards the surface of user's viewing.In certain embodiments, can according to demands such as the antireflection of electronic product, anti-fingerprint, and
The functional film layers such as antireflection film, anti-fingerprint film are set on the outer surface 102 of the glass substrate 10.Further, it is also possible to glass
Glass substrate 10 carries out intensive treatment, and cured film is set on any one surface of glass substrate 10.
The tack coat 40 has stickup property, and very thin.Specific in present embodiment, tack coat 40 is optical clear
(OCA, Optically Clear Adhesive) glue.Tack coat 40 is covered on the inner surface 101 of glass substrate 10.Specific to
In present embodiment, the thickness of tack coat 40 is 5~100 μm.It is furthermore preferred that the thickness of tack coat 40 is 5~20 μm.
The hardened layer 50 is formed on a surface away from the glass substrate 10 of tack coat 40.As shown in table 1,
Give the evaluation result of the hardened layer 50 for embodiment 1-2.
Table 1
|
Thin hardened layer |
Processing procedure injured is bad |
Laminating bubble & folds are bad |
Embodiment 1 |
10μm |
0.3% |
5.3% |
Embodiment 2 |
20μm |
0.1% |
20.8% |
Processing procedure injured is bad to be directly proportional to the thinness of hardened layer, i.e., hardened layer is thinner, and hardened layer is fitted with glass substrate and got over
Easily there is injured bad.
Laminating bubble and fold is bad is directly proportional to the thickness of hardened layer, i.e., hardened layer is thicker, hardened layer and glass substrate
More easily there is bubble or fold in laminating.
As shown in table 1, in embodiment 1, thin hardened layer is 10 μm, and hardened layer is fitted the processing procedure of process with glass substrate
Injured it is bad it is low be 0.3%.In order to the processing procedure injured for pursuing relatively low is bad, thus thin hardened layer is taken as 10 μm, this thickness
Tack coat 40 can be played a supporting role, simultaneously because cover-plate glass stepped construction is provided without PET base material, thus embodiment 1
Thickness after hardened layer is fitted with glass substrate is obviously reduced relative to traditional thickness with PET base material, therefore cover plate glass
The integral thickness of glass stepped construction is obviously reduced relative to traditional structure with PET base material, so as to meet with touch-control work(
Thinning, the trend demand of lightization of the electronic product of energy.
In example 2, thin hardened layer be 20 μm, hardened layer fitted with glass substrate process processing procedure injured it is bad low
It is 0.1%.In order to the processing procedure injured for pursuing lower is bad, thus thin hardened layer is taken as 20 μm, this thickness can be to tack coat
40 play a supporting role, simultaneously because cover-plate glass stepped construction is provided without PET base material, thus embodiment 2 hardened layer and glass
Thickness after glass baseplate-laminating is obviously reduced relative to traditional thickness with PET base material, therefore cover-plate glass stepped construction
Integral thickness be obviously reduced relative to traditional structure with PET base material, so as to meet electronics with touch controllable function produce
The thinning of product, the trend demand of lightization.
The UV texture layers 60 are transferred on the hardened layer 50 by UV.Specifically, when UV texture layers 60 are formed, can
The coating UV glue on the hardened layer 50 for being formed, is then imprinted by template, UV glue is had specific pattern, UV glue is had spy
Fixed pattern, such as set the specific pattern such as drawing pattern, CD lines or ripple glaze on UV glue-lines, then applies mask solidification and clear
Wash uncured UV glue, you can obtain the UV texture layers 60 being formed on hardened layer 50.
The evaporation layer 70 is arranged on the UV texture layers 60, and evaporation layer 70 can be the film that metallic luster is for example presented
Layer.Set off by the pattern of UV texture layers 60, can the unilateral observation of outer surface 102 of glass substrate 10 to different pattern and
The outward appearance of color and luster, is presented metal-like, so as to be obviously improved the display effect of character or icon, lifts Consumer's Experience.
After the structures such as evaporation layer 70 are set again on the UV texture layers 60, because evaporation layer 70 is nontransparent, UV texture layers 60
It is transparent, the figure that UV texture layers 60 and evaporation layer 70 are showed still can be observed in the side of outer surface 102 of glass substrate 10
Case.
The ink layer 80 is arranged on the evaporation layer 70.Ink layer 80 and evaporation layer 70 are light tight, thus outside
The side of surface 102 towards inner surface 101 direction observe when, can't see the opposite side of glass substrate 10 by ink layer 80 and evaporation
The scene that layer 70 is blocked.
The cover-plate glass stepped construction also includes decorative layer 30, and the decorative layer 30 is formed in glass substrate 10 and bonds
Between layer 40, specifically, the decorative layer 30 is formed by silk-screen mode.In specific to present embodiment, the decorative layer 30
It is black ring, the black ring is the loop configuration with manhole, the black ring is formed directly on glass substrate, it is to avoid shooting
The visual impact that head alignment error brings, can so simplify operation so as to reduce alignment error, effectively improve the good of product
Rate, simultaneously because the visual impact that camera alignment error brings is avoided, so as to improve Consumer's Experience.It is appreciated that
In other embodiment, the decorative layer 30 can be character or icon, and the character or icon are formed at by silk-screen mode
On glass substrate, obtain character relative to the mode of silk-screen after directly exposure, development or icon to have tooth side sawtooth etc. bad
Situation, the utility model can be effectively reduced decorative layer such as character or icon directly expose, develop after silk-screen mode trigger
It is bad, such that it is able to effectively lift the yield of product.
Fig. 2 is another cover-plate glass stepped construction schematic diagram for implementing to exemplify of the utility model.Refer to Fig. 2, cover plate
Glass laminated structure includes glass substrate 20, tack coat 40 and hardened layer 50.
The cover-plate glass stepped construction also includes UV texture layers 60, is deposited with layer 70 and ink layer 80, the hardened layer 50,
UV texture layers 60, evaporation layer 70 and ink layer 80 are cascading.
Refer to Fig. 3, the glass substrate 20 includes planar portions 21 and the relative two edges court respectively by planar portions 21
The curved face part 22 that the bending of the same side surface of planar portions 21 is extended.It is appreciated that in other embodiments, glass substrate 20
Four edges may extend away and form curved face part 22, or the one of edge of glass substrate 20 extends curved face part 22.
Also referring to Fig. 4, more specifically, the glass substrate 20 includes inner surface 201, with the interval of inner surface 201
Outer surface 202, and connect the lateral circle surface 203 of outer surface 202 and inner surface 201.The inner surface 201 refers to recessed one
Face, the outer surface 202 refers to the one side of evagination.The inner surface 201 and outer surface 202 are respectively provided with zone line and marginal zone
Domain.Wherein, in the present embodiment, planar portions 21 define the zone line, and curved face part 22 defines the fringe region, namely plane
Portion 21 is located at the zone line, and curved face part 22 is located at the fringe region.In other embodiments, fringe region can also be
Around the zone line, such as when four edges of glass substrate 20 extend to form curved face part 22, the zone line
By fringe region around.
The inner surface 201 equally including planar portions 211 and by planar portions 211 relative two edges respectively towards a lateral bending
The curved face part 221 that folding extends.Two curved face parts 221 are symmetrical arranged with respect to planar portions 211.The section of curved face part 221 is circle
Arc.Two radiuses of curved face part 221 can be with equal, it is also possible to.In the present embodiment, the radius of two curved face parts 221 is equal.
Two radiuses of curved face part 221 are 1~50mm, preferably 5~50mm, further preferred 5~20mm, preferred 5~10mm.Half
Footpath is smaller, and circular arc camber is more precipitous, thus its outward appearance 3D stereoeffects of glass substrate 20 for being formed are stronger.
The outer surface 202 similarly include planar portions 212 and by planar portions 212 relative two edges respectively towards side
The curved face part 222 that bending is extended.Wherein, the curved face part 222 of outer surface 202 and the curved face part 221 of inner surface 201 are courts
The same side bends, namely is bent towards the side of inner surface 201.Two curved face parts 222 are symmetrical arranged with respect to planar portions 212.
The section of curved face part 222 is circular arc.Two radiuses of curved face part 222 can be with equal, it is also possible to.In the present embodiment, two
The radius of curved face part 222 is equal.Two radiuses of curved face part 222 be 1~50mm, preferably 5~50mm, further preferred 5~
20mm, preferred 5~10mm.
Wherein, planar portions 212 are corresponding with the position of planar portions 211, and size is identical, thus when the glass substrate 20
Outer surface 202 place when in the horizontal plane, the orthographic projection in the horizontal plane of planar portions 211 and planar portions 212 is completely superposed.
More specifically, the radius of curved face part 222 and curved face part 221 is also equal.In the present embodiment, inner surface 201 and appearance
The distance between face 202, namely the thickness of the glass substrate 20 is 0.2~1.0mm.Thickness one everywhere of glass substrate 20
Cause, so can preferably eliminate stress concentration, lift bulk strength.Preferably, the thickness of glass substrate 20 be 0.5~
0.7mm。
The tangent line of the point at the place circular arc most edge of the curved face part 222 is defined as C angles, C with the angle of the planar portions 212
Angle is 0 °<C<90 °, preferably 0 °<C<45°.C angles between curved face part 221 and planar portions 211 can also have identical setting.
Further, the distance between the point at the place circular arc most edge of the curved face part 221 and described planar portions 212,
The height H of i.e. described glass substrate 20 is 0.5~5mm.
In certain embodiments, the orthographic projection in the horizontal plane of the glass substrate 20 is rectangle, wherein rectangular
50~500mm, 30~300mm wide long.The curved face part 221,222 be arranged on it is rectangular length where two edges.
In embodiment shown in Fig. 2 to Fig. 4, curved face part 22 is by planar portions 21 with respect to both sides towards side bending extension
Go out.In other embodiment, also can extend the curved face part 22 for forming circular arc towards side bending by four sides of planar portions 21.Relatively
The radius of the curved face part 22 that both sides are extended can be with equal, it is also possible to.The radius of the curved face part 22 that adjacent both sides are extended
Can be with equal, it is also possible to.Four sides are respectively formed in the embodiment of curved face part 22, and other features can join the reality shown in Fig. 2 to Fig. 4
Example setting is applied, this is not repeated.
Referring to Fig. 2, the tack coat 40 has stickup property, and very thin.Specific in present embodiment, tack coat
40 is optical clear (OCA, Optically Clear Adhesive) glue.Tack coat 40 is covered in and is provided with the interior of glass substrate 20
On surface.Specific in present embodiment, the thickness of tack coat 40 is 5~100 μm.It is furthermore preferred that the thickness of tack coat 40 is 5
~20 μm.
The hardened layer 50 is formed on a surface away from the glass substrate 20 of tack coat 40.As shown in table 1,
Give the evaluation result of the hardened layer 50 for embodiment 1-2.
Table 1
|
Thin hardened layer |
Processing procedure injured is bad |
Laminating bubble & folds are bad |
Embodiment 1 |
10μm |
0.3% |
5.3% |
Embodiment 2 |
20μm |
0.1% |
20.8% |
Processing procedure injured is bad to be directly proportional to the thinness of hardened layer, i.e., hardened layer is thinner, and hardened layer is fitted with glass substrate and got over
Easily there is injured bad.
Laminating bubble and fold is bad is directly proportional to the thickness of hardened layer, i.e., hardened layer is thicker, hardened layer and glass substrate
More easily there is bubble or fold in laminating.
As shown in table 1, in embodiment 1, thin hardened layer is 10 μm, and hardened layer is fitted the processing procedure of process with glass substrate
Injured it is bad it is low be 0.3%.In order to the processing procedure injured for pursuing relatively low is bad, thus thin hardened layer is taken as 10 μm, this thickness
Tack coat 40 can be played a supporting role, simultaneously because cover-plate glass stepped construction is provided without PET base material, thus embodiment 1
Thickness after hardened layer is fitted with glass substrate is obviously reduced relative to traditional thickness with PET base material, therefore cover plate glass
The integral thickness of glass stepped construction is obviously reduced relative to traditional structure with PET base material, so as to meet with touch-control work(
Thinning, the trend demand of lightization of the electronic product of energy.
In example 2, thin hardened layer be 20 μm, hardened layer fitted with glass substrate process processing procedure injured it is bad low
It is 0.1%.In order to the processing procedure injured for pursuing lower is bad, thus thin hardened layer is taken as 20 μm, this thickness can be to tack coat
40 play a supporting role, simultaneously because cover-plate glass stepped construction is provided without PET base material, thus embodiment 2 hardened layer and glass
Thickness after glass baseplate-laminating is obviously reduced relative to traditional thickness with PET base material, therefore cover-plate glass stepped construction
Integral thickness be obviously reduced relative to traditional structure with PET base material, so as to meet electronics with touch controllable function produce
The thinning of product, the trend demand of lightization.
The UV texture layers 60 are transferred on the hardened layer 50 by UV.Specifically, when UV texture layers 60 are formed, can
The coating UV glue on the hardened layer 50 for being formed, is then imprinted by template, UV glue is had specific pattern, UV glue is had spy
Fixed pattern, such as set the specific pattern such as drawing pattern, CD lines or ripple glaze on UV glue-lines, then applies mask solidification and clear
Wash uncured UV glue, you can obtain the UV texture layers 60 being formed on hardened layer 50.
The evaporation layer 70 is arranged on the UV texture layers 60, and evaporation layer 70 can be the film that metallic luster is for example presented
Layer.Set off by the pattern of UV texture layers 60, can the unilateral observation of outer surface 202 of glass substrate 20 to different pattern and
The outward appearance of color and luster, is presented metal-like, so as to be obviously improved the display effect of character or icon, lifts Consumer's Experience.
After the structures such as evaporation layer 70 are set again on the UV texture layers 60, because evaporation layer 70 is nontransparent, UV texture layers 60
It is transparent, the figure that UV texture layers 60 and evaporation layer 70 are showed still can be observed in the side of outer surface 202 of glass substrate 20
Case.
The ink layer 80 is arranged on the evaporation layer 70.Ink layer 80 and evaporation layer 70 are light tight, thus outside
The side of surface 202 towards inner surface 201 direction observe when, can't see the opposite side of glass substrate 20 by ink layer 80 and evaporation
The scene that layer 70 is blocked.
The cover-plate glass stepped construction also includes decorative layer 30, and the decorative layer 30 is formed in glass substrate 20 and bonds
Between layer 40, specifically, the decorative layer 30 is formed by silk-screen mode.In specific to present embodiment, the decorative layer 30
It is black ring, the black ring is the loop configuration with manhole, the black ring is formed directly on glass substrate, it is to avoid shooting
The visual impact that head alignment error brings, can so simplify operation so as to reduce alignment error, effectively improve the good of product
Rate, simultaneously because the visual impact that camera alignment error brings is avoided, so as to improve Consumer's Experience.It is appreciated that
In other embodiment, the decorative layer 30 can be character or icon, and the character or icon are formed at by silk-screen mode
On glass substrate, obtain character relative to the mode of silk-screen after directly exposure, development or icon to have tooth side sawtooth etc. bad
Situation, the utility model can be effectively reduced decorative layer such as character or icon directly expose, develop after silk-screen mode trigger
It is bad, such that it is able to effectively lift the yield of product.
In some other embodiments, glass substrate 20 is not limited to the structure shown in Fig. 1-Fig. 4.For example, Fig. 5 and Tu
It is the glass substrate of another embodiment shown in 6, it includes inner surface 201a, the outer surface 202a being spaced with inner surface 201a,
And the lateral circle surface (figure is not marked) of connection outer surface 202a and inner surface 201a.
The distance between described inner surface 201a and outer surface 202a be 0.2~1.0mm, namely the glass substrate thickness
It is 0.2~1.0mm to spend.
It is in symmetrically to set along central shaft 203a that the inner surface 201a has central shaft a 203a, the inner surface 201a
Put.Also there is the outer surface 202a central shaft 204a, the outer surface 202a to be symmetrical set along central shaft 204a.
The inner surface 201a is bent to form the introversion of circular arc centered on the central shaft 203a of inner surface 201a to homonymy
Face, the outer surface 202a is bent to form the positive camber of circular arc, institute centered on the central shaft 204a of outer surface 202a to homonymy
State negative camber, the radius R of positive camber is 50~1000mm, the height H of the glass substrate is 0.5~5mm.
In certain embodiments, the negative camber, positive camber radius R it is equal, namely the thickness everywhere of glass substrate is equal
It is even.Stress concentration so can be preferably eliminated, bulk strength is lifted.
The height H of the glass substrate refers to inner surface 201a two parallel sides farthest with respect to central shaft 203a
The distance between plane where 205a, 206a, with the central shaft 204a of outer surface 202a.
In certain embodiments, in circular arc inner surface 201a two parallel sides 205a, 206a and the center of circle of circular arc
The corresponding central angle of circular arc where the angle of line, namely inner surface 201a is represented with C, wherein 60 ° of 180 ° of < C <.Outer surface
The corresponding central angle C of circular arc of 202a also meets 60 ° of 180 ° of < C <.
It is the glass substrate of another embodiment shown in Fig. 7, with reference to Fig. 8 and Fig. 9, the glass substrate includes interior table
Face 201b, the outer surface 202b being spaced with inner surface 201b, and the lateral circle surface of connection outer surface 202b and inner surface 201b (are schemed
Do not mark).
The distance between described inner surface 201b and outer surface 202b be 0.2~1.0mm, namely the glass substrate thickness
It is 0.2~1.0mm to spend.
The inner surface 201b has a center line W1 in the direction of the width, and the outer surface 202b is in the direction of the width
With a center line W2.The inner surface 201b is symmetrical along center line W1 minute surfaces.The outer surface 202b is along center line W2 minute surfaces
Symmetrically.Glass substrate is placed on horizontal plane, makees orthographic projection in the horizontal plane to the glass substrate, the inner surface 201b's
The center line W2 of center line W1 and outer surface 202b overlaps on the orthographic projection direction of glass substrate.
With reference to Figure 10 and Figure 11, the inner surface 201b has a center line L1, the appearance in the longitudinal direction
Face 202b also has a center line L2 in the longitudinal direction.The inner surface 201b is symmetrical along center line L1 minute surfaces.The appearance
Face 202b is symmetrical along center line L2 minute surfaces.Glass substrate is placed on horizontal plane, the glass substrate is made just in the horizontal plane
Projection, the center line L2 of the center line L1 and outer surface 202b of the inner surface 201b is heavy on the orthographic projection direction of glass substrate
Close.The orthographic projection of described center line L1, L2 is vertical with the orthographic projection of described center line W1, L2.
The inner surface 201b centered on the center line L1 of length direction to same lateral bend, the outer surface 202b also with
To the same lateral bend centered on the center line L2 of length direction.The circle of the center line L1 of the length direction of the inner surface 201b
Arc radius are 50~1000mm, the arc radius of the center line L2 of the length direction of the outer surface 202b also for 50~
1000mm.In the embodiment shown in FIG., the inner surface 201b and outer surface 202b center line L1, L2 in the longitudinal direction
Arc radius it is equal.
The inner surface 201b is simultaneously to the same lateral bend, the appearance also centered on the center line W1 of width
Face 202b is to the same lateral bend yet centered on the center line W2 of width.The width of the inner surface 201b
The arc radius of center line W1 are 50~1000mm, the arc radius of the center line W2 on the width of the outer surface 202b
Also it is 50~1000mm.The arc radius of the inner surface 201b and outer surface 202b center line W1, W2 in the direction of the width
It is equal.
The height of the glass substrate is 0.5~5mm.The height refers to, the central point of the outer surface 202b (namely
The intersection point of the center line W2 on center line L2 and width on length direction) it is minimum extremely to the position of the inner surface 201
The distance between plane that few three points are formed.Shown in figure in embodiment, in the corner of inner surface 201b is generally aligned in the same plane,
The distance between central point of plane and outer surface 202b where the height namely the corner.
In certain embodiments, the thickness everywhere of glass substrate is uniform.Stress concentration so can be preferably eliminated, is lifted
Bulk strength.
In addition, the arc radius of center line W1, W2 can be equal with the arc radius of center line L1, L2, it is also possible to not phase
Deng.
In certain embodiments, the circular arc of inner surface 201b and outer surface 202b center line L1, L2 in the longitudinal direction
Corresponding central angle is C1, wherein 60 ° of 180 ° of < C1 <.Inner surface 201b and outer surface 202b center line in the direction of the width
The corresponding central angle of circular arc of W1, W2 is C2, wherein 60 ° of 180 ° of < C2 <.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
A kind of cover-plate glass stepped construction that the utility model is provided, at least has the advantage that:
The thin hardened layer that the utility model is used is 10~20 μm, and the hardened layer of this thickness range is fitted with glass substrate
The processing procedure injured of process it is bad it is low be 0.3%.In order to the processing procedure injured for pursuing relatively low is bad, thus thin hardened layer is taken as 10
~20 μm, this thickness range can play a supporting role to tack coat, simultaneously because cover-plate glass stepped construction is provided without PET bases
Material, thus thickness after hardened layer of the present utility model is fitted with glass substrate has relative to traditional thickness with PET base material
It is obviously reduced, therefore the integral thickness of cover-plate glass stepped construction is obviously reduced relative to traditional structure with PET base material,
So as to meet the trend demand of the thinning of the electronic product with touch controllable function, lightization.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed,
But therefore can not be interpreted as the limitation to the utility model the scope of the claims.It should be pointed out that common for this area
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.