CN108000988A - Cover-plate glass stepped construction - Google Patents

Cover-plate glass stepped construction Download PDF

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Publication number
CN108000988A
CN108000988A CN201610931673.8A CN201610931673A CN108000988A CN 108000988 A CN108000988 A CN 108000988A CN 201610931673 A CN201610931673 A CN 201610931673A CN 108000988 A CN108000988 A CN 108000988A
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CN
China
Prior art keywords
cover
glass substrate
stepped construction
plate glass
thickness
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610931673.8A
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Chinese (zh)
Inventor
唐根初
刘伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Jingzhuo Optical Display Technology Co Ltd
Original Assignee
Nanchang OFilm Optical Technology Co Ltd
Shenzhen OFilm Tech Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Nanchang OFilm Optical Technology Co Ltd, Shenzhen OFilm Tech Co Ltd filed Critical Nanchang OFilm Optical Technology Co Ltd
Priority to CN201610931673.8A priority Critical patent/CN108000988A/en
Publication of CN108000988A publication Critical patent/CN108000988A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04Interconnection of layers
    • B32B7/12Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04103Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Laminated Bodies (AREA)
  • Surface Treatment Of Glass (AREA)

Abstract

The present invention relates to a kind of cover-plate glass stepped construction, including:Glass substrate, including inner surface, the outer surface with the inner surface interval;Tack coat, is covered on the inner surface equipped with the glass substrate;Hardened layer, on a surface of the remote glass substrate for being formed at the tack coat;Wherein, the thickness of the hardened layer is 10~20 μm;The thickness of the tack coat is 5~100 μm.The present invention is bad in order to pursue relatively low processing procedure injured, thin hardened layer is thus taken as 10~20 μm, this thickness range can play a supporting role tack coat, simultaneously because cover-plate glass stepped construction does not use PET base material, thickness after thus the hardened layer of the present invention is bonded with glass substrate is obviously reduced relative to traditional thickness with PET base material, therefore the integral thickness of cover-plate glass stepped construction is obviously reduced relative to traditional structure with PET base material, so that the thinning for the electronic product for meeting to have touch controllable function, the trend demand gently changed.

Description

Cover-plate glass stepped construction
Technical field
The present invention relates to technical field of touch control, and knot is laminated more particularly to a kind of cover-plate glass applied on touch-control product Structure.
Background technology
At present, application of the cover-plate glass in the electronic product with touch controllable function is very extensive.Would generally be in cover board glass Multiple decoration coatings are set on glass, so that cover-plate glass meets specific appearance demand, this traditional decoration with PET base material Film layer can be bonded in cover-plate glass surface by adhesive linkage.
How thinning for the electronic product that meets to have touch controllable function, the demand gently changed, use relatively thin decorating film Layer, while the physical property for not losing decoration coating again is industry urgent problem to be solved.
The content of the invention
Based on this, it is necessary to provide a kind of cover-plate glass stepped construction that can be solved the above problems.
A kind of cover-plate glass stepped construction, including:
Glass substrate, including inner surface, the outer surface with the inner surface interval;
Tack coat, is covered on the inner surface equipped with the glass substrate;And
Hardened layer, on a surface of the remote glass substrate for being formed at the tack coat;
Wherein, the thickness of the hardened layer is 10~20 μm;The thickness of the tack coat is 5~100 μm.
In one of the embodiments, the thickness of the tack coat is 5~20 μm.
In one of the embodiments, the cover-plate glass stepped construction further includes UV texture layers, evaporation layer and ink layer, The hardened layer, UV texture layers, evaporation layer and ink layer are cascading.
In one of the embodiments, the UV texture layers can form drawing pattern, CD lines or ripple glaze.
In one of the embodiments, the cover-plate glass stepped construction further includes decorative layer, and the decorative layer is formed in Between the glass substrate and the tack coat.
In one of the embodiments, the decorative layer is formed by silk-screen mode.
In one of the embodiments, the decorative layer is that the decorative layer is black ring, character or icon.
In one of the embodiments, when the decorative layer is black ring, the black ring is the ring junction with circular through hole Structure.
In one of the embodiments, the glass substrate is plate glass.
In one of the embodiments, the glass substrate has at least part of curved surface.
A kind of cover-plate glass stepped construction provided by the invention, at least has the advantage that:
For the thin hardened layer that the present invention uses for 10~20 μm, the hardened layer of this thickness range is bonded process with glass substrate Processing procedure injured it is bad it is low be 0.3%.In order to which 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 tack coat, simultaneously because cover-plate glass stepped construction does not use PET base material, because And the thickness after the hardened layer of the present invention is bonded with glass substrate is obviously reduced relative to traditional thickness with PET base material, 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 thinning of electronic product with touch controllable function, the trend demand gently changed.
Brief description of the drawings
Fig. 1 is the cover-plate glass stepped construction schematic diagram shown in one embodiment of the invention;
Fig. 2 is the cover-plate glass stepped construction schematic diagram shown in another embodiment of the present invention;
Fig. 3 is the glass basal plate structure schematic diagram shown in one embodiment of the invention;
Fig. 4 is the glass substrate schematic side view shown in one embodiment of the invention;
Fig. 5 is the glass basal plate structure schematic diagram shown in further embodiment of this invention;
Fig. 6 is the glass basal plate structure schematic diagram shown in further embodiment of this invention;
Fig. 7 is the glass basal plate structure schematic diagram shown in further embodiment of this invention;
Fig. 8 is schematic side view of the curved glass panel along W directions shown in Fig. 7;
Fig. 9 is schematic cross-section of the curved glass panel along line A-A shown in Fig. 8;
Figure 10 is end view schematic of the curved glass panel along L directions shown in Fig. 7;
Figure 11 is schematic cross-section of the curved glass panel along line B-B shown in Figure 10.
Embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, below in conjunction with the accompanying drawings to the present invention Embodiment be described in detail.Many details are elaborated in the following description in order to fully understand this hair It is bright.But the invention can be embodied in many other ways as described herein, those skilled in the art can be not Similar improvement is done in the case of running counter to intension of the present invention, therefore the present invention is not limited to the specific embodiments disclosed below.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention The normally understood implication of technical staff is identical.Term used in the description of the invention herein is intended merely to description tool The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein " and/or " include one or more phases The arbitrary and all combination of the Listed Items of pass.
A kind of cover-plate glass stepped construction provided by the invention is used as the aobvious of the electronic product with touch controllable function Show face-piece body, these electronic products include but are not limited to mobile phone, camera, tablet computer, terminal display etc..
Fig. 1 is the cover-plate glass stepped construction schematic diagram shown in one embodiment of the invention.Referring to Fig. 1, cover-plate glass layer Stack structure includes glass substrate 10, tack coat 40 and hardened layer 50.
The cover-plate glass stepped construction further includes UV texture layers 60, layer 70 and ink layer 80 is deposited, the hardened layer 50, UV texture layers 60, evaporation layer 70 and ink layer 80 are cascading.
The glass substrate 10 has opposite 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 to be towards the surface inside electronic product, outer surface 102 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, fingerprint proof membrane 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 of the remote glass substrate 10 for 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 It is bad to be bonded bubble & folds
Embodiment 1 10μm 0.3% 5.3%
Embodiment 2 20μm 0.1% 20.8%
Processing procedure injured is bad directly proportional to the thinness of hardened layer, i.e., hardened layer is thinner, and hardened layer is bonded with glass substrate and gets over It is bad easily to there is injured.
It is bonded bubble and fold is bad 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 fitting.
As shown in table 1, in embodiment 1, thin hardened layer is 10 μm, and hardened layer is bonded the processing procedure of process with glass substrate Injured it is bad it is low be 0.3%.In order to which the processing procedure injured for pursuing relatively low is bad, thus thin hardened layer is taken as 10 μm, this thickness It can play a supporting role to tack coat 40, simultaneously because cover-plate glass stepped construction does not use PET base material, thus embodiment 1 Thickness after hardened layer is bonded with glass substrate is obviously reduced relative to traditional thickness with PET base material, therefore cover board 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( The thinning of the electronic product of energy, the trend demand gently changed.
In example 2, thin hardened layer is 20 μm, and the processing procedure injured that hardened layer is bonded process with glass substrate is bad low For 0.1%.In order to which 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 does not use PET base material, thus the hardened layer and glass of embodiment 2 Thickness after the fitting of glass substrate 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 to have the electronics of touch controllable function to produce The thinning of product, the trend demand gently changed.
The UV texture layers 60 are transferred on the hardened layer 50 by UV.Specifically, can when forming UV texture layers 60 The coating UV glue on the hardened layer 50 of formation, is then imprinted by template, UV glue is had specific pattern, UV glue is had spy Fixed pattern, for example the specific patterns such as drawing pattern, CD lines or ripple glaze are set on UV glue-lines, then apply mask and cure 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 glass substrate 10 102 unilateral observation of outer surface to different pattern and The appearance of color and luster, is presented metal-like, so as to be obviously improved the display effect of character or icon, lifts user experience.
After the structures such as evaporation layer 70 are set again on the UV texture layers 60, since evaporation layer 70 is nontransparent, UV texture layers 60 It is transparent, UV texture layers 60 still can be observed in 102 side of outer surface of glass substrate 10 and the figure that layer 70 is showed is deposited Case.
The ink layer 80 is arranged on the evaporation layer 70.Ink layer 80 and evaporation layer 70 are light tight, thus outside 102 side of surface towards inner surface 101 direction observation when, can't see 10 opposite side of glass substrate by ink layer 80 and evaporation The scene that layer 70 blocks.
The cover-plate glass stepped construction further includes decorative layer 30, and the decorative layer 30 is formed in glass substrate 10 with bonding Between layer 40, specifically, the decorative layer 30 is formed by silk-screen mode.Specific in present embodiment, the decorative layer 30 For black ring, the black ring is the loop configuration with circular through hole, and the black ring is formed directly on glass substrate, avoids shooting The visual impact that head alignment error is brought, can so simplify process so as to reduce alignment error, effectively improve the good of product Rate, simultaneously because the visual impact that camera alignment error is brought is avoided, so as to improve user 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 direct exposure, development or icon to have tooth side sawtooth etc. undesirable Situation, method provided by the invention can be effectively reduced decorative layer such as character or icon directly expose, develop after silk-screen side Formula triggers bad, so as to effectively lift the yield of product.
Fig. 2 is the cover-plate glass stepped construction schematic diagram shown in another embodiment of the present invention.Referring to Fig. 2, cover-plate glass Stepped construction includes glass substrate 20, tack coat 40 and hardened layer 50.
The cover-plate glass stepped construction further includes UV texture layers 60, layer 70 and ink layer 80 is deposited, the hardened layer 50, UV texture layers 60, evaporation layer 70 and ink layer 80 are cascading.
Referring to Fig. 3, the glass substrate 20 includes planar portions 21 and opposite two edges court respectively by planar portions 21 The curved face part 22 that the bending of 21 same side surface of planar portions is extended.It is appreciated that in other embodiments, glass substrate 20 Four edges are extensible to form curved face part 22 or 20 one of edge of glass substrate extends curved face part 22.
Also referring to Fig. 4, more specifically, the glass substrate 20 includes inner surface 201, is spaced with inner surface 201 Outer surface 202, and the lateral circle surface 203 of connection outer surface 202 and inner surface 201.The inner surface 201 refers to recessed one Face, the outer surface 202 refer to the one side of evagination.The inner surface 201 and outer surface 202 are respectively provided with intermediate region and marginal zone Domain.Wherein, in the present embodiment, planar portions 21 define the intermediate region, and curved face part 22 defines the fringe region, namely plane Portion 21 is located at the intermediate region, and curved face part 22 is located at the fringe region.In other embodiments, fringe region can also be Around the intermediate region, such as when four edges of glass substrate 20 extend to form curved face part 22, the intermediate region Surrounded by fringe region.
The inner surface 201 equally include planar portions 211 and by planar portions 211 opposite two edges respectively towards a lateral bending Roll over the curved face part 221 extended.Two curved face parts 221 are symmetrical arranged with respect to planar portions 211.The section of curved face part 221 is circle Arc.The radius of two curved face parts 221 can be equal, can not also wait.In the present embodiment, the radius of two curved face parts 221 is equal. The radius of two curved face parts 221 is 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 appearance 3D stereoeffects of glass substrate 20 formed are stronger.
The outer surface 202 similarly include planar portions 212 and by planar portions 212 opposite two edges respectively towards side Bend the curved face part 222 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 is bent, 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.The radius of two curved face parts 222 can be equal, can not also wait.In the present embodiment, two The radius of curved face part 222 is equal.The radius of two curved face parts 222 is 1~50mm, preferably 5~50mm, further preferred 5~ 20mm, preferred 5~10mm.
Wherein, the position of planar portions 212 and planar portions 211 is corresponding, and size is identical, thus works as the glass substrate 20 Outer surface 202 when placing in the horizontal plane, the orthographic projection of planar portions 211 and planar portions 212 in the horizontal plane 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 integral strength.Preferably, the thickness of glass substrate 20 for 0.5~ 0.7mm。
The tangent line of point at the 222 place circular arc most edge of curved face part is defined as C angles, C with the angle of the planar portions 212 Angle is 0 °<C<90 °, be 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 221 place circular arc most edge of curved face part and the planar portions 212, The height H of i.e. described glass substrate 20 is 0.5~5mm.
In certain embodiments, the orthographic projection of the glass substrate 20 in the horizontal plane is rectangle, wherein rectangular Long 50~500mm, wide 30~300mm.The curved face part 221,222 is arranged on two edges at rectangular long place.
In embodiment shown in Fig. 2 to Fig. 4, curved face part 22 by planar portions 21 with respect to both sides towards side bend extension and Go out.In other embodiment, it can also extend the curved face part 22 for forming circular arc towards side bending by four sides of planar portions 21.Relatively The radius for the curved face part 22 that both sides are extended can be equal, can not also wait.The radius for the curved face part 22 that adjacent both sides are extended Can be equal, it can not also wait.Four sides are respectively formed in the embodiment of curved face part 22, 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 be optical clear (OCA, Optically Clear Adhesive) glue.Tack coat 40 is covered in equipped with 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 of the remote glass substrate 20 for 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 It is bad to be bonded bubble & folds
Embodiment 1 10μm 0.3% 5.3%
Embodiment 2 20μm 0.1% 20.8%
Processing procedure injured is bad directly proportional to the thinness of hardened layer, i.e., hardened layer is thinner, and hardened layer is bonded with glass substrate and gets over It is bad easily to there is injured.
It is bonded bubble and fold is bad 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 fitting.
As shown in table 1, in embodiment 1, thin hardened layer is 10 μm, and hardened layer is bonded the processing procedure of process with glass substrate Injured it is bad it is low be 0.3%.In order to which the processing procedure injured for pursuing relatively low is bad, thus thin hardened layer is taken as 10 μm, this thickness It can play a supporting role to tack coat 40, simultaneously because cover-plate glass stepped construction does not use PET base material, thus embodiment 1 Thickness after hardened layer is bonded with glass substrate is obviously reduced relative to traditional thickness with PET base material, therefore cover board 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( The thinning of the electronic product of energy, the trend demand gently changed.
In example 2, thin hardened layer is 20 μm, and the processing procedure injured that hardened layer is bonded process with glass substrate is bad low For 0.1%.In order to which 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 does not use PET base material, thus the hardened layer and glass of embodiment 2 Thickness after the fitting of glass substrate 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 to have the electronics of touch controllable function to produce The thinning of product, the trend demand gently changed.
The UV texture layers 60 are transferred on the hardened layer 50 by UV.Specifically, can when forming UV texture layers 60 The coating UV glue on the hardened layer 50 of formation, is then imprinted by template, UV glue is had specific pattern, UV glue is had spy Fixed pattern, for example the specific patterns such as drawing pattern, CD lines or ripple glaze are set on UV glue-lines, then apply mask and cure 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 glass substrate 20 202 unilateral observation of outer surface to different pattern and The appearance of color and luster, is presented metal-like, so as to be obviously improved the display effect of character or icon, lifts user experience.
After the structures such as evaporation layer 70 are set again on the UV texture layers 60, since evaporation layer 70 is nontransparent, UV texture layers 60 It is transparent, UV texture layers 60 still can be observed in 202 side of outer surface of glass substrate 20 and the figure that layer 70 is showed is deposited Case.
The ink layer 80 is arranged on the evaporation layer 70.Ink layer 80 and evaporation layer 70 are light tight, thus outside 202 side of surface towards inner surface 201 direction observation when, can't see 20 opposite side of glass substrate by ink layer 80 and evaporation The scene that layer 70 blocks.
The cover-plate glass stepped construction further includes decorative layer 30, and the decorative layer 30 is formed in glass substrate 20 with bonding Between layer 40, specifically, the decorative layer 30 is formed by silk-screen mode.Specific in present embodiment, the decorative layer 30 For black ring, the black ring is the loop configuration with circular through hole, and the black ring is formed directly on glass substrate, avoids shooting The visual impact that head alignment error is brought, can so simplify process so as to reduce alignment error, effectively improve the good of product Rate, simultaneously because the visual impact that camera alignment error is brought is avoided, so as to improve user 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 direct exposure, development or icon to have tooth side sawtooth etc. undesirable Situation, method provided by the invention can be effectively reduced decorative layer such as character or icon directly expose, develop after silk-screen side Formula triggers bad, so as 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 figure It is the glass substrate of another embodiment shown in 6, it includes inner surface 201a, the outer surface 202a with inner surface 201a intervals, And the lateral circle surface of connection outer surface 202a and inner surface 201a (figure is not marked).
The distance between described inner surface 201a and outer surface 202a are 0.2~1.0mm, namely the thickness of the glass substrate Spend for 0.2~1.0mm.
The inner surface 201a is in symmetrically to set along central shaft 203a with central shaft a 203a, the inner surface 201a Put.The outer surface 202a also there is a 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 are 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, the radius R of positive camber are equal, namely the thickness everywhere of glass substrate is equal It is even.Stress concentration so can be preferably eliminated, lifts integral strength.
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, central shaft 204a of outer surface 202a.
In certain embodiments, two parallel sides 205a, 206a of inner surface 201a in circular arc 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 with inner surface 201b intervals, and the lateral circle surface (figure of connection outer surface 202b and inner surface 201b Do not mark).
The distance between described inner surface 201b and outer surface 202b are 0.2~1.0mm, namely the thickness of the glass substrate Spend for 0.2~1.0mm.
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 is overlapped 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 are heavy on the orthographic projection direction of glass substrate Close.The orthographic projection of described center line L1, L2 are 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 is 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., center line L1, the L2 of the inner surface 201b and outer surface 202b in the longitudinal direction Arc radius it is equal.
The inner surface 201b is at the same time 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 is 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 center line W1, the W2 of the inner surface 201b and outer surface 202b 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 201 position of inner surface 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 Integral strength.
In addition, the arc radius of center line W1, W2 can be equal with the arc radius of center line L1, L2, can not also phase Deng.
In certain embodiments, the circular arc of center line L1, the L2 of inner surface 201b and outer surface 202b in the longitudinal direction Corresponding central angle is C1, wherein 60 ° of 180 ° of < C1 <.The center line of inner surface 201b and outer surface 202b in the direction of the width The corresponding central angle of circular arc of W1, W2 are 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 that this specification is recorded all is considered to be.
A kind of cover-plate glass stepped construction provided by the invention, at least has the advantage that:
For the thin hardened layer that the present invention uses for 10~20 μm, the hardened layer of this thickness range is bonded process with glass substrate Processing procedure injured it is bad it is low be 0.3%.In order to which 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 tack coat, simultaneously because cover-plate glass stepped construction does not use PET base material, because And the thickness after the hardened layer of the present invention is bonded with glass substrate is obviously reduced relative to traditional thickness with PET base material, 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 thinning of electronic product with touch controllable function, the trend demand gently changed.
Embodiment described above only expresses the several embodiments of the present invention, its description is more specific and detailed, but simultaneously Therefore the limitation to the scope of the claims of the present invention cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.

Claims (10)

  1. A kind of 1. cover-plate glass stepped construction, it is characterised in that including:
    Glass substrate, including inner surface, the outer surface with the inner surface interval;
    Tack coat, is covered on the inner surface equipped with the glass substrate;And
    Hardened layer, on a surface of the remote glass substrate for being formed at the tack coat;
    Wherein, the thickness of the hardened layer is 10~20 μm;The thickness of the tack coat is 5~100 μm.
  2. 2. cover-plate glass stepped construction according to claim 1, it is characterised in that the thickness of the tack coat is 5~20 μ m。
  3. 3. cover-plate glass stepped construction according to claim 1, it is characterised in that the cover-plate glass stepped construction is also wrapped UV texture layers, evaporation layer and ink layer are included, the hardened layer, UV texture layers, evaporation layer and ink layer are cascading.
  4. 4. cover-plate glass stepped construction according to claim 3, it is characterised in that the UV texture layers can form wire drawing Line, CD lines or ripple glaze.
  5. 5. the cover-plate glass stepped construction according to claim 3 or 4, it is characterised in that the cover-plate glass stepped construction Decorative layer is further included, the decorative layer is formed between the glass substrate and the tack coat.
  6. 6. cover-plate glass stepped construction according to claim 5, it is characterised in that the decorative layer for black ring, character or Icon.
  7. 7. cover-plate glass stepped construction according to claim 6, it is characterised in that the decorative layer passes through silk-screen mode shape Into.
  8. 8. cover-plate glass stepped construction according to claim 6, it is characterised in that when the decorative layer is black ring, institute It is the loop configuration with circular through hole to state black ring.
  9. 9. according to 1,2,3,4,6 to 8 any one of them cover-plate glass stepped construction of claim, it is characterised in that the glass Substrate is plate glass.
  10. 10. according to 1,2,3,4,6 to 8 any one of them cover-plate glass stepped construction of claim, it is characterised in that the glass Glass substrate has at least part of curved surface.
CN201610931673.8A 2016-10-31 2016-10-31 Cover-plate glass stepped construction Pending CN108000988A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111645383A (en) * 2019-03-04 2020-09-11 Oppo广东移动通信有限公司 Manufacturing method of battery cover and mobile terminal
CN114012954A (en) * 2021-11-02 2022-02-08 东莞正广精密科技有限公司 Double-layer texture process

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014178365A1 (en) * 2013-04-30 2014-11-06 コニカミノルタ株式会社 Functional glass
CN104731408A (en) * 2015-03-18 2015-06-24 深圳莱宝高科技股份有限公司 Panel structure and manufacturing method thereof
CN204936652U (en) * 2015-09-08 2016-01-06 深圳市金凯新瑞光电股份有限公司 A kind of glass with grain effect
CN206297223U (en) * 2016-10-31 2017-07-04 南昌欧菲光学技术有限公司 Cover-plate glass stepped construction

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014178365A1 (en) * 2013-04-30 2014-11-06 コニカミノルタ株式会社 Functional glass
CN104731408A (en) * 2015-03-18 2015-06-24 深圳莱宝高科技股份有限公司 Panel structure and manufacturing method thereof
CN204936652U (en) * 2015-09-08 2016-01-06 深圳市金凯新瑞光电股份有限公司 A kind of glass with grain effect
CN206297223U (en) * 2016-10-31 2017-07-04 南昌欧菲光学技术有限公司 Cover-plate glass stepped construction

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111645383A (en) * 2019-03-04 2020-09-11 Oppo广东移动通信有限公司 Manufacturing method of battery cover and mobile terminal
CN111645383B (en) * 2019-03-04 2022-12-13 Oppo广东移动通信有限公司 Manufacturing method of battery cover and mobile terminal
CN114012954A (en) * 2021-11-02 2022-02-08 东莞正广精密科技有限公司 Double-layer texture process

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