CN108819600A - A kind of manufacturing method of high transmittance curved surface cover board - Google Patents
A kind of manufacturing method of high transmittance curved surface cover board Download PDFInfo
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- CN108819600A CN108819600A CN201810301942.1A CN201810301942A CN108819600A CN 108819600 A CN108819600 A CN 108819600A CN 201810301942 A CN201810301942 A CN 201810301942A CN 108819600 A CN108819600 A CN 108819600A
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- Prior art keywords
- cover board
- curved surface
- surface cover
- high transmittance
- ink
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C5/00—Processes for producing special ornamental bodies
- B44C5/04—Ornamental plaques, e.g. decorative panels, decorative veneers
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input 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
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, 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)
Abstract
The preparation method of high transmittance curved surface cover board provided by the invention, it first falls the vision area partial die cut of the decorating film of silk-screen ink, being bonded for ink for screen printing decorating film and cover board is carried out again, so as to obtain the cover board that vision area part does not have decorating film to be bonded, effectively increase the transmitance of cover board, and the removal of decorating film vision area part, effectively prevent the generation that ink for screen printing pollutes phenomenon to decorating film vision area, the yield rate of product is set to improve at least 2%, and transmitance improves at least 9%, effectively improve the quality of product and the efficiency of production, in turn, good transmitance is all had using the touch screen or terminal of the high transmittance curved surface cover board preparation of above method preparation.
Description
Technical field
The present invention relates to curved surface cover board technical fields, more particularly, to a kind of processing of curved surface cover board with high transmittance
Method and the curved surface cover board being prepared by this method, and apply the touch screen and terminal of the curved surface cover board.
Background technique
Cover board is the inevitable component part of the electronic device terminals such as mobile phone, tablet computer, is fitted in display screen
Top, have the function of it is scratch resistant, wear-resisting, for protecting display screen.In recent years, popularizing with comprehensive screen concept, matches therewith
The curved surface cover board product of set is also come out one after another, although the screen accounting of the equipment such as mobile phone, plate improves in effort in each manufacturer,
From the point of view of technology at this stage, screen accounting can not reach 1, that is to say, that the area of cover board is greater than display screen
Area.Cover board is transparent material, and the region of display screen is corresponded on cover board, is called vision area, and the surrounding of vision area, unavoidably
Also have one fixed width edge, the lower section at these edges is exactly the electronic circuit of terminal device, these devices are exposed to
The visual field of user is inaesthetic, therefore manufacturer often selects to hide these electronic circuits in these edges
Colored ink layer is set, and on the one hand these ink layers play hiding effect, on the other hand, producer is according to actual needs
Production different colours, pattern and the ink layer with LOGO also play decorative effect.
Production for curved surface cover board ink layer, general there are three types of modes：
First method is silk-screen high temperature ink.This method refers to the first silk-screen high temperature resistant ink on plane cover board, then again
It takes away cover board hot bending, requirement of this method to ink is very high, to meet after cover board hot bending inked areas not light leakage, constant
Property, yield rate is lower, and product is easy to appear coloring, and labor, inking be not irregular, bubble and the problem of finished product ink stock dimension enlargement.
Second method is ink spray coating method, and this method is first to spray ink by after cover board hot bending, then in corresponding region, this
The shortcomings that kind method is that it has certain mobility due to spraying out the ink come, is easy to make in cover board bending part
At coating thickness unevenness, it is also possible to appear in and ink is sprayed onto vision area during spraying, vision area is caused to pollute.
The third method is decoration embrane method, is also deco film method, is currently widely used method, and this method first will
Cover board hot bending, then one layer of ink of silk-screen on decorating film, the decorating film of ink for screen printing is fitted on the cover board of hot bending, still
There are two problems for the technique：The first, the decorating film transmitance that will affect vision area；The second, in the process to decorating film ink for screen printing
In need strict control, once the vision area for having ink silk screen printing to arrive decorating film, causes the pollution of vision area, then the decorating film is directly reported
It is useless, requirement to technique or relatively high, and yield rate is lower, working efficiency is to be improved.
Therefore, how to improve the transmitance of decoration embrane method vision area, how to avoid the problem that decoration embrane method vision area pollution becomes
The sector urgent problem.
Summary of the invention
The purpose of the present invention is to provide a kind of manufacturing methods of the curved surface cover board of high transmittance, to solve the prior art
Vision area is easy to be contaminated with ink during cover board printing ink to manufacture and vision area transmitance is low, ink for screen printing Link Efficiency is low, rejection rate
High technical problem.
It is another object of the present invention to provide a kind of curved surface cover board of high transmittance, the described cover board has as previously described
Manufacturing method preparation, with high vision area transmitance.
The object of the invention is also to provide a kind of touch screen, which includes foregoing high transmittance curved surface lid
Plate, the touch screen have high transmittance, which can be is bonded entirely, are also possible to mouthful word glue laminating.
The present invention also provides a kind of terminal, which has foregoing touch screen, and the touch screen of the terminal has
High transmittance.
The manufacturing method of a kind of high transmittance curved surface cover board provided by the invention, which is characterized in that include the following steps：
S1：Prepare the decorating film that there is similar face product with curved surface cover board；
S2：Determine the size of the position of vision area and vision area on decorating film；
S3：Region ink for screen printing other than decorating film vision area obtains the decorating film of the equal ink for screen printing other than vision area；
S4：OCA or OCR is bonded to the surface of decorating film；
S5：It is punched the vision area part of decorating film using cutting die, obtains the hollow ink for screen printing decorating film of frame ring shape；
S6：The hollow ink for screen printing decorating film that S5 is obtained is bonded with curved surface cover board, and obtaining vision area part does not have decorating film
High transmittance curved surface cover board.
The surface of decorating film ink for screen printing side is bonded OCA or OCR in S4 as a preferred technical solution,；And it is pasted
Conjunction mode is full fitting.
The surface of decorating film ink for screen printing side is bonded OCA or OCR in S4 as a preferred technical solution,；And it is pasted
Conjunction mode is only to be bonded in ink for screen printing region.
The surface of decorating film ink for screen printing side is bonded OCA or OCR in S4 as a preferred technical solution,；And it is pasted
Conjunction mode is to be bonded in ink for screen printing region and from ink for screen printing edges of regions to vision area regional expansion certain distance.
The decoration membrane material is PET or TAC or PC or SRF or COP or COC or PEN as a preferred technical solution,.
Cutting die described in S5 is laser cutter mould as a preferred technical solution,.
A kind of high transmittance curved surface cover board provided by the invention, manufacturer's legal system described in any one of aforementioned technical solution
It is standby to obtain.
A kind of high transmittance touch screen provided by the invention comprising high transmittance curved surface cover board above-mentioned, it is described high saturating
It crosses rate curved surface cover board to be successively bonded with functional sheet, display screen, i.e., the touch screen is bonded in a manner of being bonded entirely.
Another kind high transmittance touch screen provided by the invention comprising high transmittance curved surface cover board above-mentioned, the height
Transmitance curved surface cover board is bonded with functional sheet, by mouth word glue laminating between functional sheet and display screen, functional sheet and display screen it
Between there are an air layer, i.e. the touch screen is bonded in a manner of mouth word glue laminating.
A kind of terminal provided by the invention comprising full fitting high transmittance touch screen or mouth word glue laminating above-mentioned
Touch screen.
The preparation method of high transmittance curved surface cover board provided by the present invention, first by the view of the decorating film of silk-screen ink
Area's partial die cut falls, then carries out being bonded for ink for screen printing decorating film and cover board, does not have decorating film so as to obtain vision area part
The cover board of fitting effectively increases the transmitance of cover board, and the removal of decorating film vision area part, effectively prevents ink for screen printing
The generation that phenomenon is polluted to decorating film vision area makes the yield rate of product improve at least 2%, and transmitance improves at least 9%, has
Effect improves the quality of product and the efficiency of production, in turn, is prepared using the high transmittance curved surface cover board of above method preparation
Touch screen or terminal all have good transmitance.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the technological process of production schematic diagram for the high transmittance curved surface cover board that one of embodiment of the present invention provides；
Fig. 2 is the technological process of production schematic diagram of the present invention high transmittance curved surface cover board that wherein another embodiment provides；
Fig. 3 is the technological process of production schematic diagram of the present invention high transmittance curved surface cover board that wherein another embodiment provides；
Fig. 4 is the high transmittance curved surface cover board product schematic diagram that one of embodiment of the present invention provides；
Fig. 5 is that the high transmittance obtained by full applying method that one of embodiment of the present invention provides touches screen products signal
Figure；
Fig. 6 is that the high transmittance obtained by mouth word glue laminating method that one of embodiment of the present invention provides touches screen products
Schematic diagram；
Fig. 7 is the curved surface cover board product schematic diagram that tradition deco film method is prepared；
Fig. 8 is the touch screen products schematic diagram that traditional full applying method obtains；
Fig. 9 is the touch screen products schematic diagram that traditional mouth word glue laminating method obtains；
Figure 10 is the mobile phone schematic diagram with high transmittance touch screen component that one of embodiment of the present invention provides.
Appended drawing reference：
1- cover board；The first laminating layer of 2-；The TAC decorating film of 301- ink for screen printing；The COP decorating film of 302- ink for screen printing；303-
The PET decorating film of ink for screen printing；The TAC decorating film of the non-ink for screen printing of 311-；The COP decorating film of the non-ink for screen printing of 312-；313-
The PET decorating film of non-ink for screen printing；The second laminating layer of 4-；5- functional sheet；6- third laminating layer；7- display screen；8- mouthfuls of word glue；9-
Air layer；10- wiring board；11- mobile phone bottom cover.
Specific embodiment
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Fig. 1 is the technological process of production schematic diagram for the high transmittance curved surface cover board that one of embodiment of the present invention provides；
Fig. 2 is the technological process of production schematic diagram of the present invention high transmittance curved surface cover board that wherein another embodiment provides；Fig. 3 is this
The technological process of production schematic diagram of the invention high transmittance curved surface cover board that wherein another embodiment provides；Fig. 4 be the present invention its
The high transmittance curved surface cover board product schematic diagram that a kind of middle embodiment provides；One of embodiment of Fig. 5 present invention provides
Screen products schematic diagram is touched by the high transmittance that full applying method obtains；One of embodiment of Fig. 6 present invention provides
Screen products schematic diagram is touched by the high transmittance that mouth word glue laminating method obtains；Fig. 7 is that tradition deco film method is prepared
Curved surface cover board product schematic diagram；Fig. 8 is the touch screen products schematic diagram that traditional full applying method obtains；Fig. 9 is traditional
The touch screen products schematic diagram that mouth word glue laminating method obtains；Figure 10 is prepared according to the product of Fig. 4 with high transmission
The end product schematic diagram of rate touch screen component.
Embodiment 1
As shown in Figure 1, a kind of manufacturing method of high transmittance curved surface cover board provided in this embodiment, which is characterized in that including with
Lower step：
S1：Prepare PET decorating film, and the decorating film is cut as long-pending with similar face with curved surface cover board；
S2：The size of the position of vision area and vision area on PET decorating film is determined according to the vision area positions and dimensions of cover board；
S3：Region ink for screen printing other than PET decorating film vision area obtains the PET decorating film of the equal ink for screen printing other than vision area；
S4：OCA is bonded entirely to the surface of PET decorating film ink for screen printing side；
S5：It is punched the vision area part of PET decorating film using laser cutter mould, obtains the hollow ink for screen printing PET decorating film of frame shape；
S6：The hollow ink for screen printing PET decorating film of frame shape that S5 is obtained is bonded with curved surface cover board, obtaining vision area part does not have
The high transmittance curved surface cover board of PET decorating film.
100 curved surface cover boards are produced by this method, do not find the substandard product that vision area is contaminated.
Embodiment 2
As shown in Fig. 2, a kind of manufacturing method of high transmittance curved surface cover board provided in this embodiment, which is characterized in that including with
Lower step：
S1：Prepare PC decorating film, and the decorating film is cut as long-pending with similar face with curved surface cover board；
S2：The size of the position of vision area and vision area on PC decorating film is determined according to the vision area positions and dimensions of cover board；
S3：Region ink for screen printing other than PC decorating film vision area obtains the PC decorating film of the equal ink for screen printing other than vision area；
S4：OCA is bonded to the surface of PC decorating film ink for screen printing side；Wherein, the fitting of OCA on PC decorating film only for regarding
Region except area carries out；
S5：It is punched the vision area part of PC decorating film using laser cutter mould, obtains the hollow ink for screen printing PC decorating film of frame shape；
S6：The hollow ink for screen printing PC decorating film of frame shape that S5 is obtained is bonded with curved surface cover board, obtaining vision area part does not have
The high transmittance curved surface cover board of PC decorating film.
100 curved surface cover boards are produced by this method, do not find the substandard product that vision area is contaminated.
Embodiment 3
As shown in figure 3, a kind of manufacturing method of high transmittance curved surface cover board provided in this embodiment, which is characterized in that including with
Lower step：
S1：Prepare COC decorating film, and the decorating film is cut as long-pending with similar face with curved surface cover board；
S2：The size of the position of vision area and vision area on COC decorating film is determined according to the vision area positions and dimensions of cover board；
S3：Region ink for screen printing other than COC decorating film vision area obtains the COC decorating film of the equal ink for screen printing other than vision area；
S4：OCA is bonded to the surface of COC decorating film ink for screen printing side；Wherein, the fitting of OCA is for ink for screen printing region
And it is bonded from ink for screen printing edges of regions to vision area regional expansion 5mm；
S5：It is punched the vision area part of COC decorating film using laser cutter mould, obtains the hollow ink for screen printing COC decorating film of frame shape；
S6：The hollow ink for screen printing COC decorating film of frame shape that S5 is obtained is bonded with curved surface cover board, obtaining vision area part does not have
The high transmittance curved surface cover board of COC decorating film.
100 curved surface cover boards are produced by this method, do not find the substandard product that vision area is contaminated.
This method is currently preferred method, compared to only in the method for ink for screen printing region fitting OCA, this method exists
Very stringent control boundary is not needed in production process, it is only necessary to guarantee that the area of fitting OCA can cover ink for screen printing area
Domain, it is relatively large for the allowed band for being bonded error, and compared to full fitting, this applying method can be saved
The usage amount of OCA, and then reduce cost.
The technical solution of substitution as above-described embodiment 1-3, decoration membrane material are also an option that as TAC or SRF or COP
Or PEN, laminated material are also an option that as OCR.
Embodiment 4
As shown in figure 4, the present embodiment provides a kind of high transmittance curved surface cover boards comprising curved surface cover board 1, the first laminating layer 2, silk
The TAC decorating film 301 of printing ink, wherein it is not bonded TAC decorating film in the vision area part of curved surface cover board 1, the koji surface cover
Production 100, does not find the substandard product that vision area is contaminated.
Embodiment 5
As shown in figure 5, the present embodiment provides a kind of high transmittances obtained by full applying method to touch screen products, it is specific to wrap
Include curved surface cover board 1, the first laminating layer 2, the COP decorating film 302 of ink for screen printing, the second laminating layer 4, functional sheet 5, third laminating layer
6, display screen 7, wherein the COP decorating film 302 of the part fitting ink for screen printing except 1 vision area of curved surface cover board, curved surface cover board 1 regard
The part in area is directly bonded with functional sheet 5 by the second laminating layer 4.
Embodiment 6
As shown in fig. 6, the present embodiment provides a kind of high transmittances obtained by mouth word glue laminating method to touch screen products, tool
Body includes curved surface cover board 1, the PET decorating film 303 of the first laminating layer 2, ink for screen printing, the second laminating layer 4, functional sheet 5, mouth word glue
8, display screen 7, wherein the PET decorating film 303 of the part fitting ink for screen printing except 1 vision area of curved surface cover board, curved surface cover board 1 regard
The part in area is directly bonded with functional sheet 5 by the second laminating layer 4, and between functional sheet 5 and display screen 7 there is also
One air layer 9.
Embodiment 7
As shown in Figure 10, the present embodiment provides a kind of mobile phones comprising curved surface cover board 1, the first laminating layer 2, the TAC of ink for screen printing
Decorating film 301；In the vision area part of curved surface cover board 1, it is not bonded TAC decorating film, but directly passes through the second laminating layer 4 and function
Energy piece 5 fits, and it is wiring board 10, route below display screen 7 that functional sheet 5, which is fitted by third laminating layer 6 with display screen 7,
Plate 10 is arranged on mobile phone bottom cover 11.
Comparative example 1
The comparative example shares 3 groups as the comparative example with embodiment 1-3.
First group, using PET decorating film same as Example 1, ink for screen printing is prepared by traditional deco film method
Curved surface cover board, 100 curved surface cover boards, be contaminated rejected product 2 of discovery vision area are produced by this method.
Second group, using PC decorating film same as Example 2, ink for screen printing is prepared by traditional deco film method
Curved surface cover board, 100 curved surface cover boards, be contaminated rejected product 3 of discovery vision area are produced by this method.
Third group prepares ink for screen printing by traditional deco film method using COC decorating film same as Example 3
Curved surface cover board；100 curved surface cover boards are produced by this method, find rejected product 2 that vision area is contaminated.
Comparative example 2
Comparative example of this comparative example as embodiment 4 passes through traditional deco using TAC decorating film same as Example 4
Film method prepares the curved surface cover board of ink for screen printing, as shown in Figure 7 comprising curved surface cover board 1, the first laminating layer 2, ink for screen printing
TAC decorating film 301, wherein being fitted with non-ink for screen printing also by the first laminating layer 2 in the vision area part of curved surface cover board 1
TAC decorating film 311.
The curved surface cover board makes 100 altogether, finds rejected product 2 that vision area is contaminated.
Comparative example 3
Comparative example of this comparative example as embodiment 5 passes through the fitting being bonded entirely using COP decorating film same as Example 5
Method obtains curved surface cover board and touches screen products, as shown in figure 8, it specifically includes curved surface cover board 1, the first laminating layer 2, ink for screen printing
COP decorating film 302, the second laminating layer 4, functional sheet 5, third laminating layer 6, display screen 7, wherein except 1 vision area of curved surface cover board
Part the COP decorating film 302 of ink for screen printing is bonded by the first laminating layer 2, the vision area part of curved surface cover board 1 passes through the first patch
Close the COP decorating film 312 that layer 2 is bonded non-ink for screen printing.
Comparative example 4
Comparative example of this comparative example as embodiment 6 passes through the fitting of mouth word glue using PET decorating film same as Example 6
Method obtains curved surface cover board and touches screen products, as shown in figure 9, it specifically includes curved surface cover board 1, the first laminating layer 2, ink for screen printing
PET decorating film 303, the second laminating layer 4, functional sheet 5, mouth word glue 8, display screen 7, wherein the portion except 1 vision area of curved surface cover board
Divide the PET decorating film 303 of fitting ink for screen printing, the part of 1 vision area of curved surface cover board directly passes through the second laminating layer 4 with functional sheet 5
It is bonded, the vision area part of curved surface cover board 1 is bonded the PET decorating film 313 of non-ink for screen printing by the first laminating layer 2；And
There is also an air layers 9 between functional sheet 5 and display screen 7.
Using LS108D eyeglass Transmissivity measurement instrument to the vision area portion of the curved surface cover board of embodiment 1-4 and comparative example 1-2
Divide and carry out transmission measurement, using the visible light of 550nm wavelength, 50 samples of every group of selection participate in measurement, and to measurement result
It is averaged, while the yield rate in production process is calculated, the results are shown in Table 1.
Table 1
As can be seen that for transmitance, second group of comparative example and the disparity of embodiment 2 reach 11.7%, this be because
Transmitance itself for PC material is lower, 90% or so, then OCA used in by PC decorating film with vision area being bonded process its
Transmitance is 97% or so, and combined influence causes second group of comparative example of transmitance to only have 82.5%, for PET decorating film,
Although its transmitance is relatively high（Transmitance 95% or so）, but under the influence of itself and OCR, the transmitance of cover board
9.1% is still had dropped compared to method of the invention, and for COC material and TAC material, the perspective rate ratio PC of the two is slightly higher
It is some, it is 92% or so, uses reducing relative to transmitance of the present invention for the conventional deco film curved surface cover board being bonded
10% or more.
For yield rate, due to not being bonded decorating film below the glass cover-plate vision area of the method for the present invention, of the invention
The problem of method is contaminated with ink there is no vision area, yield rate improve at least 2% compared to traditional deco film method, can
Reach 100% yield rate.
Comparative example of the comparative example 3 as embodiment 5, from the comparison of Fig. 5 and Fig. 8 as can be seen that the touch screen ratio of comparative example 3
The touch screen of embodiment 5 constitutes much upper one layer of COP decorating film and one layer of laminated material in structure, according to COP transmitance 92%,
Laminating layer transmitance 97% is calculated, and the transmitance of 5 touch screen of embodiment is higher by 10% or so than the transmitance of 3 touch screen of comparative example.
Comparative example of the comparative example 4 as embodiment 6, from the comparison of Fig. 6 and Fig. 9 as can be seen that the touch screen ratio of comparative example 4
The touch screen of embodiment 6 constitutes much upper one layer of PET decorating film and one layer of laminated material in structure, according to PET transmitance 95%,
Laminating layer transmitance 97% is calculated, and the transmitance of 6 touch screen of embodiment is higher by 9% or so than the transmitance of 4 touch screen of comparative example.
Mobile phone described in embodiment 7 uses TAC decorating film, and according to TAC transmitance 92%, laminating layer transmitance 97% is counted
It calculates, the mobile phone for the cover board that the transmitance of the mobile phone screen of embodiment 7 is prepared using deco-film method than in the prior art
Screen transmitance is high by 10% or so.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, but those skilled in the art should understand that：Its
It is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features
It is equivalently replaced；And these are modified or replaceed, various embodiments of the present invention skill that it does not separate the essence of the corresponding technical solution
The range of art scheme.
Claims (10)
1. a kind of manufacturing method of high transmittance curved surface cover board, which is characterized in that include the following steps：
S1：Prepare the decorating film that there is similar face product with curved surface cover board；
S2：Determine the size of the position of vision area and vision area on decorating film；
S3：Region ink for screen printing other than decorating film vision area obtains the decorating film of the equal ink for screen printing other than vision area；
S4：OCA or OCR is bonded to the surface of decorating film；
S5：It is punched the vision area part of decorating film using cutting die, obtains the hollow ink for screen printing decorating film of frame ring shape；
S6：The hollow ink for screen printing decorating film that S5 is obtained is bonded with curved surface cover board, and obtaining vision area part does not have decorating film
High transmittance curved surface cover board.
2. a kind of manufacturing method of high transmittance curved surface cover board according to claim 1, which is characterized in that decoration in S4
The surface of film wire printing ink side is bonded OCA or OCR；And its laminating type is full fitting.
3. a kind of manufacturing method of high transmittance curved surface cover board according to claim 1, which is characterized in that decoration in S4
The surface of film wire printing ink side is bonded OCA or OCR；And its laminating type is only to be bonded in ink for screen printing region.
4. a kind of manufacturing method of high transmittance curved surface cover board according to claim 1, which is characterized in that decoration in S4
The surface of film wire printing ink side is bonded OCA or OCR；And its laminating type is in ink for screen printing region and by ink for screen printing
Edges of regions is bonded to vision area regional expansion certain distance.
5. a kind of manufacturing method of high transmittance curved surface cover board described in any one of -4 claims according to claim 1, special
Sign is that the decoration membrane material is PET or TAC or PC or SRF or COP or COC or PEN.
6. a kind of manufacturing method of high transmittance curved surface cover board according to claim 5, which is characterized in that knife described in S5
Mould is laser cutter mould.
7. a kind of high transmittance curved surface cover board, the preparation of the manufacturing method as described in any one of claim 1-5 claim
It obtains.
8. a kind of high transmittance touch screen comprising high transmittance curved surface cover board as claimed in claim 7, the high transmittance are bent
Surface cover is successively bonded with functional sheet, display screen.
9. a kind of high transmittance touch screen comprising high transmittance curved surface cover board as claimed in claim 7, the high transmittance are bent
Surface cover is bonded with functional sheet, and by mouth word glue laminating between functional sheet and display screen, there are one between functional sheet and display screen
A air layer.
10. a kind of terminal comprising high transmittance touch screen described in any one of claim 8 or 9 claim.
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| CN201810301942.1A CN108819600A (en) | 2018-04-04 | 2018-04-04 | A kind of manufacturing method of high transmittance curved surface cover board |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111263538A (en) * | 2020-03-23 | 2020-06-09 | Oppo广东移动通信有限公司 | Film-coated curved surface shell, manufacturing method thereof, shell of electronic equipment and electronic equipment |
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| CN111263538B (en) * | 2020-03-23 | 2021-06-04 | Oppo广东移动通信有限公司 | Film-coated curved surface shell, manufacturing method thereof, shell of electronic equipment and electronic equipment |
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Application publication date: 20181116 |