KR100945381B1 - Icon sheet for display window of mobile apparatus and method of the same, display window for mobile apparatus and mobile apparatus including the same - Google Patents

Icon sheet for display window of mobile apparatus and method of the same, display window for mobile apparatus and mobile apparatus including the same Download PDF

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Publication number
KR100945381B1
KR100945381B1 KR1020090059973A KR20090059973A KR100945381B1 KR 100945381 B1 KR100945381 B1 KR 100945381B1 KR 1020090059973 A KR1020090059973 A KR 1020090059973A KR 20090059973 A KR20090059973 A KR 20090059973A KR 100945381 B1 KR100945381 B1 KR 100945381B1
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KR
South Korea
Prior art keywords
substrate
icon sheet
display window
mobile device
manufacturing
Prior art date
Application number
KR1020090059973A
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Korean (ko)
Inventor
강용호
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강용호
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
    • G06F1/1643—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being associated to a digitizer, e.g. laptops that can be used as penpads
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets

Abstract

The present invention relates to an icon sheet forming an appearance of a display window of a mobile device, and more particularly, to an icon sheet for a display window of a mobile device and a method of manufacturing the same, which can significantly reduce a defective rate when the icon sheet is attached to a touch pad (TSP). will be.

Icon sheet for a mobile device display window according to the present invention is a substrate forming the appearance of the mobile device display window; A printed layer printed on an edge portion of the lower portion of the substrate; And a coating layer formed below the substrate and the print layer such that the bottom surfaces of the substrate and the print layer are substantially flat.

Description

Icon sheet for mobile device display window and its manufacturing method, mobile device display window and mobile device including the same {display sheet for mobile apparatus and method of the same, display window for mobile apparatus and mobile apparatus including the same}

The present invention relates to an icon sheet forming an appearance of a display window of a mobile device, and more particularly, to an icon sheet for a display window of a mobile device and a method of manufacturing the same, which can significantly reduce a defective rate when the icon sheet is attached to a touch pad (TSP). will be.

In recent years, mobile devices such as mobile phones, PDAs, and PMPs have been widely used.

Such mobile devices are provided with a display window. Recently, a touch screen pad (TSP) is provided for inputting information directly onto a screen using a hand or a pen.

On the other hand, the exterior of the display window of the mobile device is provided with an icon sheet to clean and clean the appearance design, and further protect the touchpad. In other words, the icon sheet is configured to form the appearance of the display window of the mobile device.

Accordingly, in order to manufacture a mobile device, a process of attaching an icon sheet to a touch pad is required.

FIG. 1 is a view illustrating an icon sheet of a mobile phone display window as an example of a mobile device display window, and FIG. 2 is a cross-sectional view schematically illustrating a state in which a touch pad is attached to the icon sheet.

1 and 2, the conventional icon sheet 1 includes a substrate 2 forming the appearance of a mobile phone display window and a printed layer 3 printed on the lower edge of the substrate 2. The double-sided tape 4 is attached to the touch pad TSP.

However, in the process of attaching the OCA-optical clear adhesive 4 to the lower surface of the icon sheet 1, bubbles are formed on the lower surface of the icon sheet 1 and the attachment surface of the double-sided tape 4. If more than a certain amount of bubbles are generated such icon sheet 1 and the double-sided tape 4 is defective.

Because the icon sheet 1 forms the appearance of the display window of the mobile phone, when bubbles are generated on the attachment surface of the icon sheet 1 and the double-sided tape 4, there is a problem that the user sees the contents displayed on the display window. Because it occurs.

In particular, as shown in FIG. 2, most bubbles 6 are generated at the corners A of the substrate 2 and the printed layer 3 among the lower surfaces of the icon sheet 1.

In general, since the thickness of the printed layer 3 is about 3 μm to 60 μm, a step is generated in the corner portion A of the printed layer 3 and the substrate 2 by the thickness thereof, and thus, the double-sided tape. Even if (4) is pressed and adhered, a certain amount of bubbles 6 are always generated in the corner portion A of the printed layer 3 and the substrate 2.

At present, the amount of the icon sheet 1 and the double-sided tape 4 which are poorly processed by the bubble 6 as described above is considerable, which causes enormous losses.

Therefore, in order to attach the icon sheet 1 to the touch pad 5, it is necessary to reduce bubbles generated in the process of attaching the double-sided tape 4 to the lower surface of the icon sheet 1.

In particular, in order to improve the appearance of the mobile phone display window, the printing layer 3 may be further deposited, whereby the thickness of the printing layer 3 may be thicker, in which case the defect rate is significantly increased.

An object of the present invention is to provide an icon sheet for a mobile device display window and a method of manufacturing the same, which can significantly reduce a defective rate generated in a process of attaching an icon sheet to a touch pad.

Icon sheet for a mobile device display window according to the present invention is a substrate forming the appearance of the mobile device display window; A printed layer printed on an edge portion of the lower portion of the substrate; And a coating layer formed below the substrate and the print layer such that the bottom surfaces of the substrate and the print layer are substantially flat.

Preferably, the coating layer may be made by applying a UV coating solution and curing.

In addition, the mobile device display window according to the present invention is an icon sheet; A touch pad having a touch screen function; And a double-sided tape (OCA-optical clear adhesive) attaching the icon sheet to the touch pad, wherein the icon sheet comprises: a substrate forming an appearance of a display window of a mobile device; A printed layer printed on an edge portion of the lower portion of the substrate; And a coating layer filling a step between the substrate and the printing layer to facilitate attachment of the double-sided tape.

Preferably, the coating layer may be made by applying a UV coating liquid on the lower surface of the substrate and the printing layer and curing.

In addition, the mobile device according to the present invention may include the mobile device display window.

On the other hand, the manufacturing method of the icon sheet for a mobile device display window according to the present invention comprises the steps of printing on the edge portion of the substrate forming the appearance of the mobile device display window; Applying a UV coating solution to one surface of the printed substrate; And curing the UV coating solution.

Preferably, the curing step, covering the pressing member on one surface of the substrate coated with the UV coating solution; Curing the UV coating solution by UV irradiation while covering the pressing member; And separating the pressing member.

Preferably, the pressing member may be made of a material that does not cure together with the UV coating solution during UV irradiation.

Preferably, pressing the one surface of the substrate is covered with the pressing member; may be further included.

Meanwhile, the mobile device display window and the mobile device according to the present invention may include an icon sheet for a mobile device display window manufactured by the manufacturing method as described above.

According to the icon sheet and method for a mobile device display window according to the present invention, the bubble between the double-sided tape and the icon sheet generated in the process of attaching the icon sheet to the touch pad using the double-sided tape can be significantly reduced, and thus the defective rate Significantly reduces the manufacturing cost.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, the invention is not limited to the embodiments described herein but may be embodied in other forms. Rather, the embodiments introduced herein are provided to ensure that the disclosed subject matter is thorough and complete, and that the spirit of the invention will be fully conveyed to those skilled in the art.

3 is a cross-sectional view illustrating an icon sheet according to an embodiment of the present invention, and FIG. 4 is a cross-sectional view briefly illustrating a cross section of a state in which a touch pad is attached to the icon sheet.

3 and 4, the icon sheet 10 according to an embodiment of the present invention may include a substrate 12, a print layer 14, and a coating layer 16.

The substrate 12 may be formed of a material having a high transmittance as a configuration forming an appearance of a display window of a mobile device. Preferably, the substrate 12 may be made of a PET film.

In addition, hard coating may be performed on the upper surface of the substrate 12. Since the upper surface of the substrate 12 forms the outer surface of the display window of the mobile device, the upper surface of the substrate 12 is prevented from being damaged by scratching or the like.

The printed layer 14 is a layer printed by ink or the like on the lower surface of the substrate 12, that is, the edge of the surface on which hard coating is not performed. The printed layer 14 cleans and looks beautiful of the display of the mobile device, and is used to distinguish an area where content is displayed from an area that is not displayed, and is generally printed with a black matte material. Of course, the printed layer 14 may be printed in color to improve the appearance of the display window of the mobile device, the deposition on the printed layer 14 may be further made.

The coating layer 16 is a problem that occurs when the print layer 14 is formed only at the edge of the lower surface of the substrate 12, that is, a step that occurs between the print layer 14 and the substrate 12, for example, a corner portion. It is for filling the step | step which arises in (A, FIG. 2), and it is for leveling the lower surface of the icon sheet 10 which concerns on this invention.

Therefore, as shown in Figure 4, according to the icon sheet 10 according to the present invention, the lower surface of the icon sheet 10 can be made entirely flat without a predetermined step portion, double-sided tape (OCA By the optical clear adhesive (4) it is possible to significantly reduce the defective rate occurring in the process of attaching the icon sheet 10 to the touch pad (5).

That is, since the lower surface of the icon sheet 10 according to the present invention can be made flat by the coating layer 16, it is possible to minimize bubbles generated when the double-sided tape 4 is attached, thereby significantly reducing the defective rate. It can be done.

Preferably, the coating layer 16 may be made by applying a UV coating liquid to the substrate 12 and the lower surface of the printing layer 14 to cure.

The icon sheet 10 according to the present invention forms an appearance of a display window of a mobile device, and the thickness of the icon sheet 10 should be very thin, in particular, the printed layer 14 and the substrate 12 having a thickness of about 3 μm to 60 μm. Since the step must be filled in, the coating layer 16 also needs to be made very thin.

In addition, since the coating layer 16 is a layer provided on the lower portion of the icon sheet 10 forming the appearance of the display window of the mobile device, the coating layer 16 should have a high transmittance, and should be easily cured to simplify the process.

According to the research of the inventors of the present application, when using the UV coating liquid to form the coating layer 16, it was found that all of the above conditions can be satisfied.

That is, the UV coating liquid may be easily cured by UV (ultraviolet) irradiation, and when cured, may have high transmittance.

In addition, the UV coating solution is viscous, so that the stepped portions of the printed layer 14 and the substrate 12 may be filled so that no bubbles are generated. In particular, the edge portion A of the substrate 12 and the printed layer 14 may be filled. It can be filled to prevent bubbles from occurring. In addition, the UV coating solution is preferable because it can be coated to a very thin thickness.

Hereinafter, a method of manufacturing the icon sheet 10 according to an embodiment of the present invention will be described with reference to FIGS. 5 to 11.

FIG. 5 is a flowchart illustrating a method of manufacturing an icon sheet according to an embodiment of the present invention, and FIGS. 6 to 11 are diagrams illustrating intermediate processes for explaining the manufacturing method of FIG. 5.

Referring to Figure 5, the manufacturing method of the icon sheet 10 according to an embodiment of the present invention, the step of printing on one surface of the substrate 12 (S10), the step of applying a UV coating liquid on the printed surface (S20) ), By irradiating UV (ultraviolet rays) may be made, including the step (S50) of curing the UV coating solution.

Here, one surface of the substrate 10 is one surface which is not hard-coated, and is a lower surface of the substrate 10, and a surface on which a double-sided tape (OCA-optical clear adhesive) 4 is attached.

On the other hand, in order for the lower surface of the icon sheet 10 to adhere to one surface of the double-sided tape without generating bubbles, it is necessary to cure the applied UV coating liquid 17 in a flat state.

To this end, the manufacturing method of the icon sheet 10 according to an embodiment of the present invention comprises the step of covering the pressing member 20 on one surface of the substrate 10, the UV coating liquid 17 is applied (S30), the pressing member Irradiating UV in a covered state (20) to cure the UV coating solution 17 (S50), and separating the pressing member 20 from the cured UV coating solution 17 (S60) It is preferable to make it.

6 is a view showing a state before the UV coating liquid is applied to one surface of the icon sheet 10, Figure 7 is a view showing a state in which the UV coating liquid 17 is applied, Figure 8 is a UV member 20 is UV 9 is a view illustrating a state in which the coating liquid 17 is covered on one surface of the substrate 10 to which the coating liquid 17 is applied, and FIG. 9 illustrates a state of curing the UV coating liquid 17 by irradiating UV in a state in which the pressing member 20 is covered. FIG. 10 is a view illustrating a state in which the icon sheet 10 according to an embodiment of the present invention is manufactured as a state in which the pressing member 20 is removed after curing the UV coating solution 17.

As shown in FIGS. 6 to 10, the UV coating liquid 17 may be cured in a flat state by the pressing member 20, and thus the bottom surface of the coating layer 16 may be a double-sided tape (OCA-optical clear adhesive). ) Can be made flat to facilitate attachment.

Here, the pressing member 20 is preferably made of a material that does not cure together with the UV coating liquid 17 by the irradiation of UV. Then, it may be easy to separate the pressing member 20 from the UV coating liquid 17, that is, the coating layer 16 cured after UV irradiation.

For example, the pressing member 20 may be glass, which is a material that does not react with the UV coating solution by UV irradiation, and may preferably be a sheet, film, or the like made of a glass-like material and transparent deposition. This is because glass can break.

On the other hand, the manufacturing method of the icon sheet 10 according to an embodiment of the present invention may further comprise the step (S50) for pressing the surface of the substrate 12 covered with the pressure plate 20 with a roller 30 or the like. have. The state of pressing the pressure plate 20 using the roller 30 or the like is shown in FIG. 11.

As such, when the pressing member 20 is pressed on one surface of the substrate 10 to which the UV coating liquid 17 is applied, using the roller 30 or the like, the UV coating liquid 17 becomes the substrate 10. And not only can be densely filled to the place where bubbles are likely to occur, such as the corner portion (A) of the print layer 14, one surface of the UV coating liquid 17 can be more flat.

Accordingly, when the UV coating solution 17 is irradiated with UV after the pressing step S50, the bottom surface of the coating layer 16 may not only be flattened, but may also occur when the coating layer 16 is formed. The generation of bubbles can be further reduced.

Meanwhile, the method for manufacturing the icon sheet 10 according to an embodiment of the present invention has been described for manufacturing a single icon sheet 10, but as shown in FIG. 12, the icon sheet 10 includes one sheet ( 40 may be manufactured in a state in which a plurality is formed.

In this case, after the coating layer 16 is formed according to the manufacturing method of the icon sheet 10 according to an embodiment of the present invention, the step of cutting into one icon sheet 10 may be further included.

1 is a view showing an icon sheet of a mobile phone display window as an example of a mobile device display window,

2 is a view schematically showing a state in which a touch pad is attached to a conventional icon sheet,

3 is a view showing an icon sheet according to an embodiment of the present invention,

4 is a view schematically showing a state in which a touch pad is attached to an icon sheet according to an embodiment of the present invention.

5 is a flowchart illustrating a method of manufacturing an icon sheet according to an embodiment of the present invention.

6 to 11 are views showing intermediate processes for explaining the manufacturing method of FIG.

12 is a view showing a state in which several icon sheets are manufactured in one sheet.

Claims (12)

In the icon sheet for a display device for mobile devices attached to a touch pad with a touch screen function by double-sided tape (OCA-optical clear adhesive), Board; A printing layer formed on one side edge of the substrate; And In order to prevent generation of bubbles due to the step between the substrate and the printing layer when the double-sided tape is attached, the printing is made so that one surface of the substrate on which the printing layer is formed is flattened by filling the step between the substrate and the printing layer. The icon sheet for a mobile device display window comprising a; a coating layer formed by applying and curing a UV coating liquid on one surface of the substrate on which the layer is formed. delete Icon sheet; A touch pad having a touch screen function; And And a double-sided tape (OCA-optical clear adhesive) attaching the icon sheet to the touch pad. The icon sheet, Board; A printing layer formed on one side edge of the substrate; And In order to prevent generation of bubbles due to the step between the substrate and the printing layer when the double-sided tape is attached, the printing is made so that one surface of the substrate on which the printing layer is formed is flattened by filling the step between the substrate and the printing layer. And a coating layer formed by applying and curing a UV coating solution on one surface of the substrate on which the layer is formed. delete A mobile device comprising the mobile device display window of claim 3. In the manufacturing method of the icon sheet for mobile device display window attached to the touch pad with a touch screen function by double-sided tape (OCA-optical clear adhesive), Forming a printing layer on one side edge of the substrate; Applying a UV coating solution to one surface of the substrate on which the printing layer is formed; And Covering the pressing member on one surface of the substrate to which the UV coating liquid is applied so that one surface of the coated UV coating liquid becomes flat; Curing the UV coating solution by UV irradiation while covering the pressing member; And Separating the pressing member; Method for manufacturing an icon sheet for a mobile device display window comprising a. delete The method of claim 6, The pressing member is a method of manufacturing an icon sheet for a mobile device display window, characterized in that made of a material that is not cured with the UV coating liquid during UV irradiation to facilitate separation. The method of claim 6, Pressing one surface of the substrate is covered with the pressing member; Method of manufacturing an icon sheet for a mobile device display window comprising a. An icon sheet for a mobile device display window manufactured by the manufacturing method according to any one of claims 6, 8 or 9. A mobile device display window comprising an icon sheet manufactured by the manufacturing method according to any one of claims 6, 8 or 9. A mobile device comprising an icon sheet manufactured by the manufacturing method according to any one of claims 6, 8 or 9.
KR1020090059973A 2009-07-01 2009-07-01 Icon sheet for display window of mobile apparatus and method of the same, display window for mobile apparatus and mobile apparatus including the same KR100945381B1 (en)

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KR101177801B1 (en) * 2010-10-13 2012-08-30 한울정보기술(주) Method for fabricating a touch pad
KR101185367B1 (en) * 2010-10-29 2012-09-26 (주) 태양기전 Touch Window And Manufacturing Mathod
CN102830846A (en) * 2012-08-24 2012-12-19 周忠 Touch screen panel formed by attaching and manufacturing method thereof
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KR101322336B1 (en) 2011-07-26 2013-10-28 이엘케이 주식회사 A Cover Window-integrated Touch Screen Panel And A Method Of The Same
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KR101177801B1 (en) * 2010-10-13 2012-08-30 한울정보기술(주) Method for fabricating a touch pad
KR101185367B1 (en) * 2010-10-29 2012-09-26 (주) 태양기전 Touch Window And Manufacturing Mathod
KR101322336B1 (en) 2011-07-26 2013-10-28 이엘케이 주식회사 A Cover Window-integrated Touch Screen Panel And A Method Of The Same
US20170080690A1 (en) * 2011-10-20 2017-03-23 Nissha Printing Co., Ltd. Decorative film for display device and protective panel
KR101229303B1 (en) 2011-12-29 2013-02-15 (주)리지스 Touch panel with both elevation of view trait and printing layer
KR101385972B1 (en) 2012-01-03 2014-04-17 (주)리지스 Touch panel with both elevation of view trait and printing layer
KR101791731B1 (en) * 2012-05-09 2017-10-30 데쿠세리아루즈 가부시키가이샤 Image display device manufacturing method
US10882293B2 (en) 2012-05-09 2021-01-05 Dexerials Corporation Method of manufacturing image display apparatus
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KR101962550B1 (en) 2012-05-09 2019-03-26 데쿠세리아루즈 가부시키가이샤 Image display device manufacturing method
US9718264B2 (en) 2012-05-09 2017-08-01 Dexerials Corporation Method of manufacturing image display apparatus
KR20170038132A (en) * 2012-05-09 2017-04-05 데쿠세리아루즈 가부시키가이샤 Image display device manufacturing method
CN106896551A (en) * 2012-05-09 2017-06-27 迪睿合电子材料有限公司 The manufacture method of image display device
CN102830846A (en) * 2012-08-24 2012-12-19 周忠 Touch screen panel formed by attaching and manufacturing method thereof
KR101498538B1 (en) * 2012-08-30 2015-03-04 후지모리 고교 가부시키가이샤 Method for producing icon sheet, icon sheet, and touch panel using the same
KR102108842B1 (en) * 2013-09-16 2020-05-11 엘지이노텍 주식회사 Touch Panel
KR20150031807A (en) * 2013-09-16 2015-03-25 엘지이노텍 주식회사 Touch Panel
US20150153853A1 (en) * 2013-12-02 2015-06-04 Uniproo Inc. Screen protection device for protecting display screen of electronic apparatus
KR20160107459A (en) 2015-03-04 2016-09-19 김성철 Window film production method and the film used in the mobile and IT equipment
KR20160124449A (en) 2015-04-20 2016-10-28 김성철 Windows Mobile and IT equipment for UV pattern is formed Glass UV Glass and window molding method
KR20170000030A (en) * 2015-06-22 2017-01-02 삼성디스플레이 주식회사 Display device
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