KR101402313B1 - Double-sided adhesive film package for use in touch screen panel and method for fabricating the same - Google Patents

Double-sided adhesive film package for use in touch screen panel and method for fabricating the same Download PDF

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Publication number
KR101402313B1
KR101402313B1 KR1020120135973A KR20120135973A KR101402313B1 KR 101402313 B1 KR101402313 B1 KR 101402313B1 KR 1020120135973 A KR1020120135973 A KR 1020120135973A KR 20120135973 A KR20120135973 A KR 20120135973A KR 101402313 B1 KR101402313 B1 KR 101402313B1
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KR
South Korea
Prior art keywords
film
double
sided adhesive
adhesive film
release film
Prior art date
Application number
KR1020120135973A
Other languages
Korean (ko)
Inventor
이욱
Original Assignee
(주)세기컨버텍
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to KR1020120135973A priority Critical patent/KR101402313B1/en
Application granted granted Critical
Publication of KR101402313B1 publication Critical patent/KR101402313B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H37/00—Article or web delivery apparatus incorporating devices for performing specified auxiliary operations
    • 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
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving

Abstract

A double-sided adhesive film package for a touch screen panel according to the present invention is characterized in that a double-sided adhesive film (10) is interposed between a front surface of a lower release film (4) and a rear surface of an upper release film (5) such that the lower release film (4) is bonded to the upper release film (5) while facing each other, a separation assist film (2) is bonded to a rear surface of the lower release film (4), the lower release film (4) and the separation assist film (2) are punched at the same time such that a grid punching loop (4b) is formed on the lower release film (4) and the separation assist film (2) to position a part of the edge of the double-sided adhesive film inside and to position a remaining part of the edge outside, following the edge of the double-sided adhesive film (10), and a part of the separation assist film (2) is bonded to the lower release film (4) and a remaining part thereof is not bonded thereto. According to the present invention, a portion to be attached to an LCD panel (300) or a portion to be attached to a frame (400) can be divided with respect to the lower release film (4) on a rear surface of the double-sided adhesive film (10) such that the lower release film can be easily removed. Therefore, the LCD panel (300) and the frame (400) can be quickly attached to each other. As a tab (5a) is provided on the upper release film (5) on a front surface of the double-sided adhesive film (10), a touchscreen panel (200) can be quickly attached.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a double-sided adhesive film package for a touch screen panel,

The present invention relates to a double-sided adhesive film package for a touch screen panel and a method of manufacturing the same. More particularly, the present invention relates to a double-sided adhesive film package for a touch screen panel, To a double-sided adhesive film package for a touch screen panel. The present invention also relates to a method of manufacturing the double-sided adhesive film package for the touch screen panel.

The demand for transparent touch screen panel (TSP) is rapidly increasing due to the explosive popularity of smart devices, which are being displayed in various names and forms such as Galaxy S, Galaxy Tab, Galaxy Note, iPhone and iPad. As the touch screen panel, a transparent tempered glass is often used.

An LCD panel (or an LED or an OLED panel) may be disposed behind the touch screen panel, and a frame may be installed around the LCD panel in association with the installation of driving circuits and components. The LCD panel and the frame are attached and fixed to the back surface of the touch screen panel. To this end, a double-sided adhesive film is attached to the rear edge of the touch screen panel. At this time, since it is apparently preferable that the frame portion is not seen from the outside, the double-sided adhesive film is generally used such as black, white, pink or the like opaque.

FIG. 1 is a diagram for explaining a general smartphone 100. FIG. 2 is an exploded perspective view of the touch screen panel 200 of FIG. 1, and FIG. 3 is a cross-sectional view taken along the line A-A 'of FIG.

1 to 3, a touch screen panel 200 made of transparent tempered glass is installed on a front surface of a smart phone 100. [ An LCD panel 300 is disposed behind the touch screen panel 200 and a frame 400 is installed around the LCD panel 300. The frame 400 is necessary for installation of a drive-related circuit and components.

A double-sided adhesive film 10 is attached to the periphery of the back edge of the touch screen panel 200 to attach and fix the LCD panel 300 and the frame 400 to the touch screen panel 200. Since the portion where the frame 400 is present is a bulky portion from the outside, the double-sided adhesive film 10 is generally opaque, such as black, white, pink or the like. In the double-sided adhesive film 10, a through-hole 10a is formed at the center to have a rim, and this rim portion has a double-sided adhesive property.

Since the double-sided adhesive film 10 has a double-sided adhesive property, the double-sided adhesive film 10 is kept in a state in which the release film is adhered to both the front and back surfaces of the double-sided adhesive film 10, 10 are adhered to each other.

At this time, removing the release film from the double-sided adhesive film 10 is a very cumbersome operation. Particularly, in order to attach the LCD panel 300 and the frame 400 to the touch screen panel 200, it is necessary to remove the release film by separating the portion to which the LCD panel 300 is attached and the portion to which the frame 400 is to be attached This is especially true for these tasks.

Therefore, a problem to be solved by the present invention is to remove a release film attached to a double-sided adhesive film when attaching a double-sided adhesive film to a touch screen panel and attaching an LCD panel and a frame to the double- The present invention relates to a double-sided adhesive film package for a touch screen panel and a method for manufacturing the same, which can separate a release film and a part to be attached to the LCD panel quickly and easily.

In order to accomplish the above object, the present invention provides a double-sided adhesive film, which has a through-hole in the center thereof to easily attach the double-sided adhesive film to the touch screen panel when the double- To a double-sided adhesive film package for a touch screen panel,

Wherein the double-sided adhesive film is interposed between the front surface of the lower release film and the back surface of the upper release film so that the lower release film and the upper release film are adhered to each other with the double- Wherein a grating pile loop for placing a part of the rim inside and a part of the rim outside is placed on the lower release film while the lower release film and the release assisting film are simultaneously punched out to follow the rim of the double- And the release auxiliary film is partially adhered to the lower release film and the remaining part is not adhered to the lower release film.

Wherein the peeling auxiliary film and the double-sided adhesive film are bonded to each other at a portion of the double-sided adhesive film in the vicinity of the rim of the double-sided adhesive film to a portion of the rim of the double-sided adhesive film, desirable.

The double-sided adhesive film is preferably opaque.

The peeling auxiliary film preferably has a width in the up and down direction smaller than a width in the up and down direction of the double-side adhesive film.

It is preferable that the adhesion of the release auxiliary film to the lower release film is larger than the adhesion of the double release film to the lower release film and the upper release film.

A double-sided adhesive tape may be provided between the release auxiliary film and the lower release film, and the release assistant film may be adhered to the lower release film by the double-sided adhesive tape.

The release auxiliary film preferably has a color different from that of the lower release film, the upper release film, and the double-sided adhesive film.

The upper release film is preferably formed so as to protrude outward from the edge of the double-sided adhesive film while protruding from the edge of the double-sided adhesive film while having the edge shape of the edge of the double-side adhesive film.

In order to accomplish the above object, the present invention provides a double-sided adhesive film, which has a through-hole in the center thereof to easily attach the double-sided adhesive film to the touch screen panel when the double- The present invention relates to a method of manufacturing a double-sided adhesive film package for a touch screen panel,

A first step of adhering a strip-shaped release auxiliary film to the front surface of the base adhesive film;

A second step of attaching to the front surface of the peeling auxiliary film such that the back surface of the double-sided adhesive auxiliary tape having a strip shape in the same direction as the peeling auxiliary film deviates above or below the peeling auxiliary film;

A third step of bonding the back surface of the lower release film to the front surface of the double-sided adhesion assisting tape;

A fourth step of simultaneously forming the lower release film, the double-sided adhesion assisting tape, and the separation assisting film to form a grating strike loop;

Wherein the double-sided adhesive film is adhered to the front surface of the lower release film, and the rim of the double-sided adhesive film follows the lattice pulling loop so that a part of the rim is positioned inside the grating pile loop, (5) And

A sixth step of adhering an upper release film to the front surface of the lower release film to attach the back surface of the upper release film to the front surface of the double-side adhesive film; And a control unit.

The upper release film is torn off to remove a part of the upper release film so that the upper release film not removed is protruded outward from the edge of the double-sided adhesive film while the edge of the double- So as to be protruded.

Wherein the base adhesive film has a width in the up and down direction W1, a width in the up and down direction of the peeling auxiliary film, a width W3 in the top and bottom of the double-stick adhesive auxiliary tape, a width W4 in the top and bottom of the bottom release film, W3> W1> W5> W10> W2> W3, where W5 is the width of the upper release film of the upper release film, and W5 is the width of the upper release film.

It is preferable that the third to fifth steps proceed in a state where a jig fixing portion is provided on an upper or lower margin of the lower release film and the lower release film is fixed to the jig through the jig fixing portion.

According to the present invention, the lower release film on the back side of the double-sided adhesive film can be easily separated from the area where the LCD panel is to be attached and the area where the frame is to be attached. Accordingly, the LCD panel and the frame can be attached quickly, and the upper release film on the front surface of the double-sided adhesive film has the tabs of the handle, so that the touch screen panel can be quickly attached.

FIG. 1 is a diagram for explaining a general smartphone 100; FIG.
FIG. 2 is an exploded perspective view of a portion of the touch screen panel 200 of FIG. 1; FIG.
3 is a sectional view taken along the line A-A 'in Fig. 2;
4 to 6 are views for explaining a method of manufacturing a double-sided adhesive film package for a touch screen panel according to the present invention;
FIG. 7 is a view for explaining a double-sided adhesive film package for a touch screen panel according to the present invention manufactured according to FIGS. 4 to 6; FIG.
FIGS. 8 to 13 are views for explaining the process of attaching the double-sided adhesive film 10 to the touch screen panel 200 using the double-sided adhesive film package for the touch screen panel of FIG.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. The following embodiments are merely provided to understand the contents of the present invention, and those skilled in the art will be able to make many modifications within the technical scope of the present invention. Therefore, the scope of the present invention should not be construed as being limited to these embodiments.

4 to 6 are views for explaining a method of manufacturing a double-sided adhesive film package for a touch screen panel according to the present invention.

First, the release auxiliary film 2 is adhered to the front surface of the base adhesive film 1, as shown in FIG. In the base adhesive film 1, the front surface is tacky, which means that it has a weak adhesive force. The PET film may be coated with silicone to impart tackiness. The peeling auxiliary film 2 has a long side band shape and has a relation of W1 > W2 when the width of the base adhesive film 1 is W1 and the width of the peeling auxiliary film 2 is W2 .

Next, a double-sided adhesive auxiliary tape 3 having a strip shape in the same direction as that of the release auxiliary film 2 is attached to the front surface of the release auxiliary film 2. It is preferable that the double-sided adhesive auxiliary tape 3 is provided so as to lie on the upper side of the peeling auxiliary film 2, and the reason for this will be described later. And the width of the double-sided adhesion auxiliary tape 3 is W3, W2 > W3.

Then, the back side of the lower release film 4 is adhered to the front side of the double-sided adhesive auxiliary tape 3 in a state in which the back side of the lower release film 4 faces the front side of the base adhesive film 1. This process will be described in detail. First, the lower release film 4 is turned over and the lower release film 4 is placed on the jig (not shown) with the rear side of the lower release film 4 facing upward, 4a. The reason why the lower release film 4 is fixed to the jig is to ensure accuracy in the attachment position of each film. The base adhesive film 1 is placed on the lower release film 4 fixed to the jig so that the front side of the base adhesive film 1 is turned upside down so that the front side of the double side adhesive tape 3 faces downward, . The front surface of the double-sided adhesive tape 3 and the back surface of the lower release film 4 are bonded to each other.

In order to fix the lower release film 4 to the jig, a jig fixing hole 4a is required. For this purpose, the width of the lower release film 4 should be W4> W1. This is because the jig fixing hole 4a can be formed in an extra width. In addition to the shape of the jig fixing hole 4a, for example, a hemispherical groove or a line may be formed for fixation with the jig.

Next, the lower releasing film 4 and the peeling auxiliary film 2 are simultaneously pressed to form a grating pile loops 4b. At this time, the double-stick adhesive auxiliary tape 3 is also punched together and the base adhesive film 1 is not punched. Specifically, the lower release film 4 is removed from the jig, and the lower surface of the lower release film 4 is turned upside down. Then, the lower release film 4 is fixed to the jig, The peeling assistant film 4, the double-sided adhesion assisting tape 3, and the peeling auxiliary film 2 are simultaneously punched out to form the grating pile loops 4b.

Then, the double-sided adhesive film 10 is adhered to the front surface of the lower release film 4 as shown in Fig. In the double-sided adhesive film 10, a through-hole 10a is formed in the center and has a rim, and the rim is opaque with black, white, pink, or the like. A plurality of topsheet adhesive films 10 are adhered to the left and right edges of the double-sided adhesive film 10 so as to be spaced apart from each other by a predetermined distance. At this time, the rim of the double-sided adhesive film 10 is positioned partly inside the grating pile loop 4b and the rest is located outside the grating pile loop 4b. W10 > W2 where W10 is the width of the double-sided adhesive film 10 in the up-down direction.

The release auxiliary film 20 is arranged to pass over the plurality of double-sided adhesive films 20 while covering the upper or lower edge of the double-sided adhesive film 10. [ In the drawing, the case where the release auxiliary film 20 is wound over the upper edge of the double-sided adhesive film 10 is shown. Therefore, the double-sided adhesive tape 3 is also biased to the upper edge of the double-sided adhesive film 10, not the center of the penetrating window 10a. When the width of the double-sided adhesive auxiliary tape 3 is too small, a strong adhesive force can not be obtained. Therefore, the double-sided adhesive tape 3 has a width (width) of some degree so as to occupy the edge portion in the vicinity of the edge of the double- W3.

The reason why the double-sided adhesive tape 3 is biased toward the edge of the double-sided adhesive film 10 is to allow the separation assisting film 2 to be held by hand from the inside of the edge of the double-sided adhesive film 10, The lower release film 4 in the lattice breaking loop 4b can be easily removed by pulling the release auxiliary film 2 by hand as shown in Fig. 12, which will be described later.

The lower release film 4 and the upper release film 5 are made of a transparent material and the release auxiliary film 2 is easily separated from the lower release film 4 and the upper release film 5, . It is also preferable that the release auxiliary film 2 has a color different from that of the double-side adhesive film 10.

Next, the upper release film 5 is adhered to the front surface of the lower release film 4 so as to cover the double-sided adhesive film 10 including the penetration window 10a including the clearance between the double-sided adhesive films 10 . Then, the back side of the upper release film 5 is attached to the double-side adhesive film 10. W4 > W5 > W10 when the width of the upper release film 5 is W5.

As shown in FIG. 6, the upper release film 5 is then pulled out to remove the upper release film 5 from the outer side of the double-sided adhesive film 10, Side adhesive film 10 so that the tab 5a protrudes outward beyond the edge of the double-sided adhesive film 10 and protrudes laterally. Whereby the double-sided adhesive film package for a touch screen panel according to the present invention is put on.

As shown in FIG. 6, the double-sided adhesive film package for a touch screen panel according to the present invention may have a single set of double-sided adhesive films 10, but as shown in FIG. 7, It may be.

 6 and 7, the double-sided adhesive film package for a touch screen panel according to the present invention comprises a lower release film 1, a double-sided adhesive film 10, an upper release film 5, (2). The base adhesive film 1 may be removed in the process of distributing the product according to the present invention although it is necessary in the manufacturing process.

FIGS. 8 to 13 are views for explaining the process of attaching the double-sided adhesive film 10 to the touch screen panel 200 using the double-sided adhesive film package for the touch screen panel of FIG.

First, as shown in FIG. 8, the base adhesive film 1 shown in FIG. 7 is removed. Next, as shown in FIG. 9, the upper release film 5 shown in FIG. 7 is removed and the touch screen panel 200 is adhered to the front surface of the double-sided adhesive film 10. Removal of the upper release film 5 can be easily done by pulling the handle tab 5a by hand. Then, as shown in Fig. 10, the lower release film 4 outside the grating pile loop 4b is removed.

Next, as shown in Fig. 11, the frame 400 is bonded to the back surface of the double-sided adhesive film 10. At this time, the lower release film 4 located inside the lattice breaking loop 4b is still attached to the back surface of the double-sided adhesive film 10 in the center space of the frame 400. [

12, the peeling auxiliary film 2 is peeled off from the lower release film 4 located inside the lattice breaking loop 4b through the double-faced adhesive auxiliary tape 3 by pulling the peeling auxiliary film 2 by hand The lower release film 4 in the center space of the frame 400 is separated from the double-sided adhesive film 10 and the center space of the frame 400 becomes empty.

If there is no release auxiliary film 2, it is very difficult to grasp the lower release film 4 in the center space of the frame 400 by hand. Therefore, it is necessary to perform precise work using tweezers or the like, A lot of problems arise. However, in the present invention, since there is the peeling auxiliary film 2, such a work can be carried out easily. Especially since the release aid film 2 is different in color from the other parts so that it can be easily found with the eyes.

It is preferable that the double-sided adhesive auxiliary tape 3 is positioned on the edge of the through-hole 10a of the double-sided adhesive film 10 rather than the center. This is because when the double-sided adhesive tape 3 is positioned on the center of the through-hole 10a, the portion of the peeling auxiliary film 2 held by the hand is located on the edge side. In this case, The peeling auxiliary film 2 does not easily fall off from the double-sided adhesive film 10 due to the working principle of the force.

13, the LCD panel 300 is inserted into the center space of the frame 400 to attach the upper surface of the LCD panel 300 to the back surface of the double-sided adhesive film 10.

As described above, according to the present invention, the lower release film 4 on the back side of the double-sided adhesive film 10 can be easily divided into a portion to which the LCD panel 300 is to be attached and a portion to which the frame 400 is to be attached Can be removed. The LCD panel 300 and the frame 400 can be quickly attached to each other and the upper release film 5 on the front side of the double-sided adhesive film 10 has the handle tab 5, ) Can be quickly attached.

1: base adhesive film
2: Release film
3: Double-sided adhesive tape
4: Lower release film
4a: Jig fixing hole
4b: Lattice Pitting Loop
5: Upper release film
5a: Handle tab
10: Double-sided adhesive film
10a: Through window
100: Smartphone
200: Touch screen panel
300: LCD panel
400: frame

Claims (13)

A double-sided adhesive film package for a touch screen panel in which one side of a double-sided adhesive film having a through-hole in the middle is attached to the back side of the touch screen panel, and a frame and an LCD panel are sequentially attached to the other side of the double- , ≪ / RTI &
A base adhesive film,
A release auxiliary film adhered on the front surface of the base adhesive film in a strip shape laterally across the entire transverse direction of the base adhesive film,
A double-sided adhesive tape adhered on one side of the peeling auxiliary film on the front surface of the peeling auxiliary film so as to be laterally striped across the entire transverse direction of the peeling auxiliary film,
A lower release film adhered to the front surface of the double-
A grating punch loop formed by simultaneously pressing the lower release film, the double-sided adhesion assisting tape and the separation assisting film,
A double-sided adhesive film adhered to a front surface of the lower release film and having a through-hole formed at the center thereof,
And an upper release film adhered to a front surface of the double-sided adhesive film,
Wherein the grating punch loops are formed to have a larger size than the through-holes of the double-sided adhesive film so that a part of the rim of the double-faced adhesive film is positioned inside the grating punch loops,
The peeling auxiliary film and the double-sided adhesive auxiliary tape are formed so as to span both the inside and the outside of the grating punch loops over the entire transverse direction of the lower release film,
Wherein the upper release film is removed, a touch screen panel is attached to the front surface of the double-sided adhesive film, the base adhesive film is removed, and the frame and the LCD panel are successively attached to the back surface of the double- First, remove the lower release film from the outer edge of the Velcro loop using the separation aid film on the side of the double-sided adhesive film. In order to remove the lower release film inside the grating pile loops and to attach the LCD panel to the back side of the double-sided adhesive film frame located inside the grating pile loops by using the peeling assist film inside the grating pile loops in sequence, Wherein the lower release film can be removed by separating a portion to be attached and a portion to which the LCD panel is to be attached, so that the frame and the LCD panel can be quickly attached. delete delete delete delete delete delete delete delete delete delete delete delete
KR1020120135973A 2012-11-28 2012-11-28 Double-sided adhesive film package for use in touch screen panel and method for fabricating the same KR101402313B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020120135973A KR101402313B1 (en) 2012-11-28 2012-11-28 Double-sided adhesive film package for use in touch screen panel and method for fabricating the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020120135973A KR101402313B1 (en) 2012-11-28 2012-11-28 Double-sided adhesive film package for use in touch screen panel and method for fabricating the same

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KR101402313B1 true KR101402313B1 (en) 2014-06-02

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017131387A1 (en) * 2016-01-29 2017-08-03 (주)아모레퍼시픽 Compact container having sealing paper therein

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060088089A (en) * 2006-07-04 2006-08-03 김영선 Protective film for the transparent panel of a display panel
KR20080086284A (en) * 2007-03-22 2008-09-25 엘지이노텍 주식회사 Polarizing plate protection film for liquid crystal display
KR20100112117A (en) * 2007-11-28 2010-10-18 덴끼 가가꾸 고교 가부시키가이샤 Pressure-sensitive adhesive sheet, process for producing the same, and method of applying the same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060088089A (en) * 2006-07-04 2006-08-03 김영선 Protective film for the transparent panel of a display panel
KR20080086284A (en) * 2007-03-22 2008-09-25 엘지이노텍 주식회사 Polarizing plate protection film for liquid crystal display
KR20100112117A (en) * 2007-11-28 2010-10-18 덴끼 가가꾸 고교 가부시키가이샤 Pressure-sensitive adhesive sheet, process for producing the same, and method of applying the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017131387A1 (en) * 2016-01-29 2017-08-03 (주)아모레퍼시픽 Compact container having sealing paper therein

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