CN105335026A - Piece type OGS touch screen and manufacturing method therefor - Google Patents
Piece type OGS touch screen and manufacturing method therefor Download PDFInfo
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- CN105335026A CN105335026A CN201410239788.1A CN201410239788A CN105335026A CN 105335026 A CN105335026 A CN 105335026A CN 201410239788 A CN201410239788 A CN 201410239788A CN 105335026 A CN105335026 A CN 105335026A
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Abstract
The present invention discloses a piece type OGS touch screen. The OGS touch screen comprises a transparent substrate (1), an ink layer (2), an ITO electrode layer (3) and an ITO protective layer (4) which are successively stacked. The present invention also provides a manufacturing method for a piece type OGS touch screen. The method comprises: printing ink on a transparent substrate (1) to form an ink layer (2); applying a piece type ITO coating to the ink layer (2), and performing laser dry etching to form an ITO electrode layer (3); and printing ink on the ITO electrode layer(3) to form an ITO protective layer (4). The method provided by the present invention can significantly improve glass strength of the OGS touch screen, and reduce and optimize OGS process steps, thereby reducing production costs, improving the yield rate of the OGS touch screen, and facilitating environmental protection.
Description
Technical field
The present invention relates to capacitance-type touch screen technology field, particularly, relate to OGS touch screen of a kind of small pieces processing procedure and preparation method thereof.
Background technology
At present, the manufacture craft of OGS (Oneglasssolution monolithic glass scheme) glass, according to plated film, the sequencing that cuts, can be divided into large stretch of processing procedure and small pieces processing procedure two kinds.Small pieces processing procedure refers to by large sheet glass by cut and CNC is processed into tempering after the profile of OGS glass, then passes through several plated film, gold-tinted processing procedure, forms ITO electrode pattern and metal routing, thus form OGS glass finished-product in the one side of glass through two procedures; Large stretch of processing procedure is first that sheet is glass reinforced, by several plated film, gold-tinted processing procedure, form the OGS glass profile of ITO electrode pattern and metal routing through two procedures in the one side of glass, then by cutting, CNC processing, chemical enhancedly repair into multi-disc OGS glass finished-product.OGS glass finished-product forms OGS capacitive touch screen by binding FPC.
Wherein, what produce that OGS touch screen mainly adopts in industry in enormous quantities is large stretch of processing procedure, namely large stretch of glass reinforced after through ITO (tin indium oxide) plated film, gold-tinted processing procedure, then through being cut into small pieces, then the flow process of secondary hardening is carried out to small pieces.Although scale cost benefit still can, can meet the demand of lower-order electronic product, the strength of glass of OGS touch screen is not high yet, profile is not easily processed, and yield has much room for improvement, and processing procedure operation is loaded down with trivial details, cause the wasting of resources, production cost is high, also can bring environmental problem.
Therefore, research and develop a kind of can significantly improve OGS touch screen strength of glass with meet more high-order electronic product strength demand, yield is high, production cost is low and the method for making of the OGS touch screen of economic environmental protection, have important practical significance.
Summary of the invention
The object of the invention is, in order to overcome the above-mentioned defect existed in prior art, to provide OGS touch screen of a kind of small pieces processing procedure and preparation method thereof.
The present inventor surprisingly finds under study for action; adopt small pieces making technology; first printing-ink forms ink layer on the transparent substrate; on ink layer, carry out small pieces ITO plated film again and adopt dry quarter of laser to form ITO electrode layer; finally on ITO electrode layer, printing-ink forms ITO protective seam; OGS touch screen obtained thus has higher strength of glass; the requirement of strength of existing high-order electronic product can be met; and this making technology can reduce operation, reduce production cost; enhance productivity and the yield of OGS touch screen, and be conducive to environmental protection.
To achieve these goals, on the one hand, the invention provides a kind of OGS touch screen of small pieces processing procedure, described OGS touch screen comprises the transparency carrier, ink layer, ITO electrode layer and the ITO protective seam that stack gradually.
On the other hand, the invention provides a kind of method for making of OGS touch screen of small pieces processing procedure, the method comprises the steps:
(1) printing-ink forms ink layer on the transparent substrate;
(2) on ink layer, carry out small pieces ITO plated film and adopt dry quarter of laser to form ITO electrode layer;
(3) on ITO electrode layer, printing-ink forms ITO protective seam.
The method for making of the OGS touch screen of small pieces processing procedure of the present invention, significantly can improve the strength of glass of OGS touch screen, enough meets the requirement of strength of existing high-order electronic product.Meanwhile, method of the present invention not only reduces and optimizes the processing procedure operation of OGS, reduces production cost, improves the yield of production efficiency and OGS touch screen, improve the reliability of OGS touch screen, but also be conducive to environmental protection.In addition, one of the present invention preferred embodiment in, the color processing diversity of OGS glass can also be realized by printing multilayer ink, and then meet the demand for commodity of people's diversity day by day.
Other features and advantages of the present invention are described in detail in embodiment part subsequently.
Accompanying drawing explanation
Fig. 1 is the structural representation of the OGS touch screen of small pieces processing procedure of the present invention.
Description of reference numerals
1 transparency carrier 2 ink layer 3ITO electrode layer 4ITO protective seam
Embodiment
Below in conjunction with Fig. 1, the specific embodiment of the present invention is described in detail.Should be understood that, embodiment described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
The invention provides a kind of OGS touch screen of small pieces processing procedure, this OGS touch screen comprises the transparency carrier 1, ink layer 2, ITO electrode layer 3 and the ITO protective seam 4 that stack gradually.
The OGS touch screen of small pieces processing procedure of the present invention, under preferable case, transparency carrier 1 comprises viewfinder area and non-viewfinder area, and ink layer 2 is laminated in the non-viewfinder area of transparency carrier 1.Further preferably, transparency carrier 1 is small pieces chemistry hardened glass substrate.For small pieces chemistry hardened glass substrate, there is no particular limitation, can be the various small pieces chemistry hardened glass substrates of this area small pieces processing procedure.
The OGS touch screen of small pieces processing procedure of the present invention, ink layer 2 can be multilayer, and the lid bottom ink layer of ink layer 2 can be the black/gray inks layer of resistance to laser.It will be understood by those skilled in the art that lid bottom ink layer is the one deck finally printed when printing multilayer ink layer 2.The thickness of ink layer 2 can be 8-30 μm, and multilayer can be n layer, n >=2, and the thickness of every layer of ink layer can be 4-6 μm.Under preferable case, n is 2-5.
In order to realize the color processing diversity of OGS glass, and then meet the demand for commodity of people's diversity day by day, further preferably, the ink layer 2 of 2 layers is the black ink layer of two-layer resistance to laser or the gray oil layer of ink of two-layer resistance to laser; The ink layer 2 being greater than 2 layers is black/gray inks layer and the resistant to elevated temperatures white ink layer of n-1 layer of the resistance to laser of one deck, or is the resistant to elevated temperatures colored ink layers arc that the black/gray inks layer of the resistance to laser of one deck is identical with n-1 layer color.Colour can be other colors except black, grey and white, such as, can be redness, yellow, blueness, purple, green etc.
For the material of the gray ink of the black ink of resistance to laser, resistance to laser, resistant to elevated temperatures white ink and resistant to elevated temperatures colored ink, there is no particular limitation, the black ink of the various resistance to laser that this area is commonly used, the gray ink of resistance to laser, resistant to elevated temperatures white ink and resistant to elevated temperatures colored ink can be respectively, all can be commercially available.Wherein, the high temperature resistant high temperature referring to resistance to 230-270 DEG C.
The OGS touch screen of small pieces processing procedure of the present invention, ITO electrode layer 3 comprises ITO electrode pattern and ITO cabling, and ITO electrode pattern comprises capacitance plate and drives and induction electrode, wherein, capacitance plate drives and the well-regulated graphic structure of induction electrode tool, and capacitance plate drives with induction electrode in same aspect.Under preferable case, ITO electrode layer 3 for thickness be the ITO electrode layer of 50-2000 Ethylmercurichlorendimide.Capacitance plate is driven and the regular figure structure of induction electrode there is no particular limitation, the various regular figure structures can be able to expected for those skilled in the art.
The OGS touch screen of small pieces processing procedure of the present invention, for ITO protective seam 4, there is no particular limitation, the various ITO protective seams can commonly used for this area.In order to play insulation, the effect of disappear shadow and protection ITO, under preferable case, ITO protective seam 4 is a layer thickness transparent shadow protection ink layer that disappears uniformly, its thickness more preferably 4-6 μm.
For the material of the transparent shadow protection ink that disappears, there is no particular limitation, can for insulation can be played, the various transparent shadow that disappears that this area of disappear shadow and protection ITO is conventional protects ink, can be commercially available.
On the other hand, the invention provides a kind of method for making of OGS touch screen of small pieces processing procedure, the method comprises the following steps:
(1) on transparency carrier 1, printing-ink forms ink layer 2;
(2) on ink layer 2, carry out small pieces ITO plated film and adopt dry quarter of laser to form ITO electrode layer 3;
(3) on ITO electrode layer 3, printing-ink forms ITO protective seam 4.
In the inventive method, under preferable case, transparency carrier 1 comprises viewfinder area and non-viewfinder area, forms ink layer 2 at the non-viewfinder area printing-ink of transparency carrier 1.Further preferably, transparency carrier 1 is small pieces chemistry hardened glass substrate.For small pieces chemistry hardened glass substrate, there is no particular limitation, can be the various small pieces chemistry hardened glass substrates of this area small pieces processing procedure.
For the method for making of transparency carrier 1, there is no particular limitation, the various methods can be able to expected for those skilled in the art, such as, can comprise: adopt laser glass cutting machine or shaped-glass cutting machine the glass substrate of sheet to be cut into the small pieces glass substrate of certain size; Small pieces glass substrate is carried out sharp processing, and small pieces glass substrate, after edging, boring, chamfering and Machining of Curved Surface, cleans; Finally small pieces glass substrate is carried out chemical enhanced, obtain small pieces chemistry hardened glass substrate.Small pieces chemistry hardened glass substrate also can by commercially available.
In the inventive method, the method forming ink layer 2 can comprise: form multilayer ink layer at the non-viewfinder area printing multilayer ink of transparency carrier 1, and the lid bottom ink layer of multilayer ink layer is black or the gray oil layer of ink of resistance to laser; Wherein, toast after every layer of ink printing is complete, and then the lower one deck ink of printing.
The thickness of ink layer 2 can be 8-30 μm, and multilayer can be n layer, n >=2, and the print thickness of every layer of ink can be 4-6 μm.Preferably, n is 2-5.Further preferably, the method forming the ink layer 2 of 2 layers is included in the non-viewfinder area printing black ink of two-layer resistance to laser or the gray ink of two-layer resistance to laser of transparency carrier 1; Form black/gray inks and the resistant to elevated temperatures white ink of n-1 layer that the resistance to laser of one deck is printed in non-viewfinder area that the method being greater than the ink layer 2 of 2 layers is included in transparency carrier 1, or the resistant to elevated temperatures colored ink that printing one deck resistance to laser black/gray inks is identical with n-1 layer color.
Under preferable case, the mode of printing is the mode of screen painting.The special requirement of method for screen painting, the various half-tone screen printing methods can commonly used for this area.The method of such as screen painting can comprise: use 350-420 order half tone to print.
In order to better form corresponding black/grey, white or colored ink layers arc, under preferable case, the condition of baking comprises: baking temperature is 150-180 DEG C, and baking time is 10-15 minute.
For the gray ink of the black ink of resistance to laser, resistance to laser, resistant to elevated temperatures white ink and the material of resistant to elevated temperatures colored ink and the color of colored ink, can see above, therefore not to repeat here.
In the inventive method, under preferable case, ink layer 2 forms layer of transparent, the uniform ito film layer of thickness through small pieces ITO plated film, and the thickness of ito film layer is 50-2000 Ethylmercurichlorendimide.
For the mode of small pieces ITO plated film, there is no particular limitation, the small pieces film plating process can commonly used for this area can be such as small pieces vacuum magnetic control sputter, particularly, the condition of small pieces vacuum magnetic control sputter comprises: vacuum tightness is 0.3-0.7Pa, and temperature is 200-350 DEG C.
Laser is done to carve and is referred to the etching carrying out ITO electrode pattern and ITO cabling with laser instrument.In the inventive method, the mode being done quarter by laser only carries out the making that a procedure can realize ITO electrode pattern and ITO cabling, therefore, on the one hand, the ITO electrode pattern of two procedures and the making of metal routing is carried out compared to existing need, adopt laser to do and can reduce processing procedure operation quarter, reduce production cost and improve product yield.On the other hand, adopt laser to do and carve compared to gold-tinted technique, more effectively can make ITO electrode pattern and ITO cabling, production efficiency is high, and production cost is low and precision is high.Under preferable case, the condition that laser does quarter comprises: galvanometer speed is 1500-3000mm/s, and frequency is 200-250KHz, and laser power is 10-15 watt, and laser is infrared laser, and wavelength is 1064nm.The ITO electrode layer 3 that the present invention is formed comprises ITO electrode pattern and ITO cabling, and ITO electrode pattern comprises capacitance plate and drives and induction electrode, and capacitance plate drives and the well-regulated graphic structure of induction electrode tool, and capacitance plate drives with induction electrode in same aspect.Capacitance plate is driven and the regular figure structure of induction electrode there is no particular limitation, the various regular figure structures can be able to expected for those skilled in the art.Under preferable case, the thickness of ITO electrode layer 3 is 50-2000 Ethylmercurichlorendimide.
For the not special requirement of laser instrument, can be known various laser machines, such as, laser machine can be silver slurry laser etching machine XHYJ1064-A (purchased from Wuhan beginning laser technology company limited), and laser is infrared laser, and wavelength is 1064nm.
In the inventive method, in order to play insulation, the effect of disappear shadow and protection ITO, under preferable case, the method forming ITO protective seam 4 is included in printing transparent on ITO electrode layer 3 and disappears shadow protection ink.That is, the ITO protective seam 4 of formation is preferably a layer thickness transparent shadow protection ink layer that disappears uniformly.Further preferably, the transparent print thickness (i.e. the thickness of ITO protective seam 4) disappearing shadow protection ink is 4-6 μm.
For the material of the transparent shadow protection ink that disappears, there is no particular limitation, can for insulation can be played, the various transparent shadow that disappears that this area of disappear shadow and protection ITO is conventional protects ink, can be commercially available.
Embodiment
The present invention is further illustrated for following embodiment, but therefore do not limit the present invention.
In following examples, the yield of OGS touch screen is non-defective unit number/product sum.
The strength of glass of OGS touch screen is tested by glass surface measuring stress instrument, and wherein, glass surface measuring stress instrument is purchased from Beijing permanent Order instrument and meter company limited, and model is H16473.
Small pieces chemistry hardened glass substrate is purchased from Asahi Glass glass incorporated company.
The method that small pieces vacuum magnetic control sputter carries out small pieces ITO plated film comprises: vacuum tightness is 0.4Pa, and temperature is 300 DEG C.
Embodiment 1
The present embodiment is for illustration of the OGS touch screen and preparation method thereof of small pieces processing procedure of the present invention.
The method for making of the OGS touch screen of the small pieces processing procedure of the present embodiment comprises the following steps:
(1) on transparency carrier 1, ink layer 2 is formed: transparency carrier 1 (i.e. small pieces chemistry hardened glass substrate) is divided into viewfinder area and non-viewfinder area, use 400 order half tones first to print in the non-viewfinder area of transparency carrier 1 black ink that a layer thickness is the resistance to laser of 4 μm, toast after printing, baking temperature is 160 DEG C, baking time is 12 minutes, the black ink that a layer thickness is the resistance to laser of 4 μm is republished after forming ground floor black ink layer, toast again after printing, baking temperature is 160 DEG C, baking time is 12 minutes, form lid bottom ink layer.
(2) on ink layer 2, form ITO electrode layer 3: on ink layer 2 through small pieces vacuum magnetic control sputter carry out small pieces ITO plated film formed layer of transparent, thickness is the even ito film layer of 1000 Ethylmercurichlorendimides, then use laser machine carry out on ito film layer laser do carve formed thickness be 1000 Ethylmercurichlorendimides, comprise the ITO electrode layer 3 of ITO electrode pattern and ITO cabling, wherein, the condition that laser does quarter comprises: galvanometer speed is 2000mm/s, frequency 220KHz, laser power is 12 watts, laser is infrared laser, and wavelength is 1064nm.
(3) on ITO electrode layer 3, ITO protective seam 4 is formed: on ITO electrode layer 3, print the transparent uniform ITO protective seam 4 of shadow protection ink formation thickness that disappears that a layer thickness is 6 μm.
As shown in Figure 1, wherein, this OGS touch screen comprises the transparency carrier 1, ink layer 2, ITO electrode layer 3 and the ITO protective seam 4 that stack gradually to the structural representation of the OGS touch screen of the small pieces processing procedure that the present embodiment makes.Transparency carrier 1 comprises viewfinder area and non-viewfinder area, and ink layer 2 is laminated in the non-viewfinder area of transparency carrier 1.Ink layer 2 is the black ink layer of 2 layers of resistance to laser, and the thickness of every layer of black ink layer is 4 μm.The thickness of ITO electrode layer 3 is 1000 Ethylmercurichlorendimides, comprise ITO electrode pattern and ITO cabling, ITO electrode pattern comprises capacitance plate and drives and induction electrode, and capacitance plate drives and the well-regulated graphic structure of induction electrode tool, and capacitance plate drives with induction electrode in same aspect.The transparent uniformly shadow that disappears that ITO protective seam 4 is 6 μm for a layer thickness protects ink layer.
The OGS touch screen of the small pieces processing procedure that the present embodiment makes, yield is 98%, and strength of glass is 680Mpa.
Embodiment 2
The present embodiment is for illustration of the OGS touch screen and preparation method thereof of small pieces processing procedure of the present invention.
The method for making of the OGS touch screen of the small pieces processing procedure of the present embodiment comprises the following steps:
(1) on transparency carrier 1, ink layer 2 is formed: transparency carrier 1 (i.e. small pieces chemistry hardened glass substrate) is divided into viewfinder area and non-viewfinder area, use 350 order half tones first to print in the non-viewfinder area of transparency carrier 1 resistant to elevated temperatures white ink that a layer thickness is 6 μm, toast after printing, baking temperature is 150 DEG C, baking time is 15 minutes, the resistant to elevated temperatures white ink that a layer thickness is 6 μm is republished after forming ground floor white ink layer, toast after printing, baking temperature is 150 DEG C, baking time is 15 minutes, the black ink that a layer thickness is the resistance to laser of 5 μm is republished after forming second layer white ink layer, toast after printing, baking temperature is 150 DEG C, baking time is 15 minutes, form lid bottom ink layer.
(2) on ink layer 2, form ITO electrode layer 3: on ink layer 2 through small pieces vacuum magnetic control sputter carry out small pieces ITO plated film formed layer of transparent, thickness is the even ito film layer of 2000 Ethylmercurichlorendimides, then use laser machine carry out on ito film layer laser do carve formed thickness be 2000 Ethylmercurichlorendimides, comprise the ITO electrode layer 3 of ITO electrode pattern and ITO cabling, wherein, the condition that laser does quarter comprises: galvanometer speed is 3000mm/s, frequency is 250KHz, laser power is 15 watts, laser is infrared laser, and wavelength is 1064nm.
(3) on ITO electrode layer 3, ITO protective seam 4 is formed: on ITO electrode layer 3, print the transparent uniform ITO protective seam 4 of shadow protection ink formation thickness that disappears that a layer thickness is 4 μm.
As shown in Figure 1, wherein, this OGS touch screen comprises the transparency carrier 1, ink layer 2, ITO electrode layer 3 and the ITO protective seam 4 that stack gradually to the structural representation of the OGS touch screen of the small pieces processing procedure that the present embodiment makes.Transparency carrier 1 comprises viewfinder area and non-viewfinder area, and ink layer 2 is laminated in the non-viewfinder area of transparency carrier 1.Ink layer 2 for a layer thickness be the resistant to elevated temperatures white ink layer that the black ink layer of resistance to laser at the bottom of the lid of 5 μm and two layers of thickness are 6 μm.The thickness of ITO electrode layer 3 is 2000 Ethylmercurichlorendimides, comprise ITO electrode pattern and ITO cabling, ITO electrode pattern comprises capacitance plate and drives and induction electrode, and capacitance plate drives and the well-regulated graphic structure of induction electrode tool, and capacitance plate drives with induction electrode in same aspect.The transparent uniformly shadow that disappears that ITO protective seam 4 is 4 μm for a layer thickness protects ink layer.
The OGS touch screen of the small pieces processing procedure that the present embodiment makes, yield is 97%, and strength of glass is 676Mpa.
Embodiment 3
The present embodiment is for illustration of the OGS touch screen and preparation method thereof of small pieces processing procedure of the present invention.
The method for making of the OGS touch screen of the small pieces processing procedure of the present embodiment comprises the following steps:
(1) on transparency carrier 1, ink layer 2 is formed: transparency carrier 1 (i.e. small pieces chemistry hardened glass substrate) is divided into viewfinder area and non-viewfinder area, use 420 order half tones first to print in the non-viewfinder area of transparency carrier 1 resistant to elevated temperatures red ink that a layer thickness is 5 μm, toast after printing, baking temperature is 180 DEG C, baking time is 10 minutes, form by printing and toasting the resistant to elevated temperatures reddish oil layer of ink that 4 layer thicknesses are 5 μm by identical method successively again after forming ground floor reddish oil layer of ink, the gray ink that a layer thickness is the resistance to laser of 5 μm is republished after forming layer 5 reddish oil layer of ink, toast after printing, baking temperature is 180 DEG C, baking time is 10 minutes, form lid bottom ink layer.
(2) on ink layer 2, form ITO electrode layer 3: on ink layer 2 through small pieces vacuum magnetic control sputter carry out small pieces ITO plated film formed layer of transparent, thickness is the even ito film layer of 50 Ethylmercurichlorendimides, then use laser machine carry out on ito film layer laser do carve formed thickness be 50 Ethylmercurichlorendimides, comprise the ITO electrode layer 3 of ITO electrode pattern and ITO cabling, wherein, the condition that laser does quarter comprises: galvanometer speed is 1500mm/s, frequency 200KHz, laser power is 10 watts, laser is infrared laser, and wavelength is 1064nm.
(3) on ITO electrode layer 3, ITO protective seam 4 is formed: on ITO electrode layer 3, print the transparent uniform ITO protective seam 4 of shadow protection ink formation thickness that disappears that a layer thickness is 5 μm.
As shown in Figure 1, wherein, this OGS touch screen comprises the transparency carrier 1, ink layer 2, ITO electrode layer 3 and the ITO protective seam 4 that stack gradually to the structural representation of the OGS touch screen of the small pieces processing procedure that the present embodiment makes.Transparency carrier 1 comprises viewfinder area and non-viewfinder area, and ink layer 2 is laminated in the non-viewfinder area of transparency carrier 1.Ink layer 2 for a layer thickness be the resistant to elevated temperatures reddish oil layer of ink that the gray oil layer of ink of resistance to laser at the bottom of the lid of 5 μm and five layer thicknesses are 5 μm.The thickness of ITO electrode layer 3 is 50 Ethylmercurichlorendimides, comprises ITO electrode pattern and ITO cabling, and ITO electrode pattern comprises capacitance plate and drives and induction electrode, and capacitance plate drives and the well-regulated graphic structure of induction electrode tool, and capacitance plate drives with induction electrode in same aspect.The transparent uniformly shadow that disappears that ITO protective seam 4 is 5 μm for a layer thickness protects ink layer.
The OGS touch screen of the small pieces processing procedure that the present embodiment makes, yield is 96%, and strength of glass is 668Mpa.
Embodiment 4
According to the method for embodiment 1, unlike, the ito film layer adopting conventional gold-tinted technique to be formed on ink layer 2 carries out dry quarter and form ITO electrode layer 3, wherein, the condition of gold-tinted technique comprises: under the environment of gold-tinted, use ultraviolet light to expose the product scribbling photoresist, then obtain ITO electrode figure through development, etching; And then make metal routing (molybdenum aluminium molybdenum cabling).
The OGS touch screen that the present embodiment makes, yield is 80%, and strength of glass is 550Mpa.
Embodiment 5
According to the method for embodiment 1, unlike, the ito film layer surface that ink layer 2 is formed makes metal routing by plating, then by radium-shine laser, ito film layer and metal routing is etched ITO electrode pattern.
The OGS touch screen that the present embodiment makes, yield is 82%, and strength of glass is 560Mpa.
Compared with embodiment 4-5 from embodiment of the present invention 1-3; laser dry carving technology is adopted to form the OGS touch screen of the small pieces processing procedure that ITO electrode layer obtains; there is higher yield and strength of glass; enough meet the requirement of strength of existing high-order electronic product; and processing procedure operation can be reduced, reduce production cost and be conducive to environmental protection.
Method of the present invention significantly can improve the strength of glass of OGS touch screen and the yield of OGS touch screen; not only reduce and optimize the processing procedure operation of OGS; reduce production cost, improve the reliability of production efficiency and OGS touch screen, but also be conducive to environmental protection.Meanwhile, the color processing diversity of OGS glass can also be realized by printing multilayer ink, and then meet the demand for commodity of people's diversity day by day.
Below the preferred embodiment of the present invention is described in detail by reference to the accompanying drawings; but; the present invention is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each concrete technical characteristic described in above-mentioned embodiment, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible array mode.
In addition, also can carry out combination in any between various different embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (16)
1. an OGS touch screen for small pieces processing procedure, is characterized in that, described OGS touch screen comprises the transparency carrier (1), ink layer (2), ITO electrode layer (3) and the ITO protective seam (4) that stack gradually.
2. OGS touch screen according to claim 1, wherein, described transparency carrier (1) comprises viewfinder area and non-viewfinder area, and described ink layer (2) is laminated in the non-viewfinder area of transparency carrier (1); Preferably, described transparency carrier (1) is small pieces chemistry hardened glass substrate.
3. OGS touch screen according to claim 2, wherein, described ink layer (2) is multilayer, and the lid bottom ink layer of described ink layer (2) is the black/gray inks layer of resistance to laser.
4. OGS touch screen according to claim 3, wherein, the thickness of described ink layer (2) is 8-30 μm, and described multilayer is n layer, n >=2, and the thickness of every layer of ink layer is 4-6 μm.
5. OGS touch screen according to claim 4, wherein, the black ink layer that the ink layer (2) of 2 layers is two-layer resistance to laser or the gray oil layer of ink of two-layer resistance to laser; The black/gray inks layer that the ink layer (2) being greater than 2 layers is the resistance to laser of one deck and the resistant to elevated temperatures white ink layer of n-1 layer, or the resistant to elevated temperatures colored ink layers arc being the black/gray inks layer of the resistance to laser of one deck is identical with n-1 layer color.
6. OGS touch screen according to claim 1, wherein, described ITO electrode layer (3) comprises ITO electrode pattern and ITO cabling, described ITO electrode pattern comprises capacitance plate and drives and induction electrode, described capacitance plate drives and the well-regulated graphic structure of described induction electrode tool, and described capacitance plate drives with described induction electrode in same aspect; Preferably, the thickness of described ITO electrode layer (3) is 50-2000 Ethylmercurichlorendimide.
7. OGS touch screen according to claim 1, wherein, described ITO protective seam (4) is the transparent shadow protection ink layer that disappears, and its thickness is preferably 4-6 μm.
8. a method for making for the OGS touch screen of small pieces processing procedure, is characterized in that, the method comprises the steps:
(1) ink layer (2) is formed at the upper printing-ink of transparency carrier (1);
(2) on ink layer (2), carry out small pieces ITO plated film and adopt dry quarter of laser to form ITO electrode layer (3);
(3) ITO protective seam (4) is formed at the upper printing-ink of ITO electrode layer (3).
9. method according to claim 8, wherein, described transparency carrier (1) comprises viewfinder area and non-viewfinder area, forms ink layer (2) at the non-viewfinder area printing-ink of described transparency carrier (1); Preferably, described transparency carrier (1) is small pieces chemistry hardened glass substrate.
10. method according to claim 9, wherein, the method forming ink layer (2) comprises: form multilayer ink layer at the non-viewfinder area printing multilayer ink of described transparency carrier (1), and the lid bottom ink layer of described multilayer ink layer is black or the gray oil layer of ink of resistance to laser; Wherein, toast after every layer of ink printing is complete, and then the lower one deck ink of printing.
11. methods according to claim 10, wherein, the thickness of described ink layer (2) is 8-30 μm, and multilayer is n layer, n >=2, and the print thickness of every layer of ink is 4-6 μm.
12. methods according to claim 11, wherein, the method forming the ink layer (2) of 2 layers is included in the non-viewfinder area printing black ink of two-layer resistance to laser or the gray ink of two-layer resistance to laser of described transparency carrier (1); Form black/gray inks and the resistant to elevated temperatures white ink of n-1 layer that the resistance to laser of one deck is printed in non-viewfinder area that the method being greater than the ink layer (2) of 2 layers is included in described transparency carrier (1), or the resistant to elevated temperatures colored ink that the black/gray inks of the resistance to laser of printing one deck is identical with n-1 layer color.
13. methods according to claim 10, wherein, the condition of described baking comprises: baking temperature is 150-180 DEG C, and baking time is 10-15 minute.
14. methods according to claim 8, wherein, through described small pieces ITO plated film formed layer of transparent, the uniform ito film layer of thickness, the thickness of described ito film layer is 50-2000 Ethylmercurichlorendimide.
15. methods according to claim 14, wherein, the condition that described laser does quarter comprises: galvanometer speed is 1500-3000mm/s, and frequency is 200-250KHz, and laser power is 10-15 watt, and laser is infrared laser, and wavelength is 1064nm.
16. methods according to claim 8; wherein; the method forming ITO protective seam (4) is included in the upper printing transparent of ITO electrode layer (3) and disappears shadow protection ink, and preferably, the described transparent print thickness disappearing shadow protection ink is 4-6 μm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410239788.1A CN105335026A (en) | 2014-05-30 | 2014-05-30 | Piece type OGS touch screen and manufacturing method therefor |
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| CN201410239788.1A CN105335026A (en) | 2014-05-30 | 2014-05-30 | Piece type OGS touch screen and manufacturing method therefor |
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| CN105335026A true CN105335026A (en) | 2016-02-17 |
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| CN201410239788.1A Pending CN105335026A (en) | 2014-05-30 | 2014-05-30 | Piece type OGS touch screen and manufacturing method therefor |
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| CN106583940A (en) * | 2016-12-12 | 2017-04-26 | 晟光科技股份有限公司 | OGS touch screen silver paste laser etching method capable of eliminating micro short circuit |
| CN106782770A (en) * | 2016-11-29 | 2017-05-31 | 东莞理工学院 | A kind of laser-induced thermal etching OGS touch screen conductive film |
| CN110377183A (en) * | 2019-07-25 | 2019-10-25 | 南京华睿川电子科技有限公司 | A kind of Spherical capacitor formula touch screen and preparation method thereof |
| CN113480188A (en) * | 2021-06-30 | 2021-10-08 | 信利光电股份有限公司 | OGS glass, coating method thereof and vehicle-mounted touch control assembly |
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Application publication date: 20160217 |