KR20200085480A - Protective film attaching apparatus for portable terminal and method for attaching thereof - Google Patents

Abstract

The present invention relates to an apparatus for attaching a protective film for a portable terminal to increase attachment quality of the protective film and a method thereof. According to the present invention, the apparatus comprises: a base unit having a guide unit disposed on an upper surface to guide alignment of a portable terminal; a sheet fixing unit disposed on one side of the base unit; an attachment sheet allowing one end to be fixed to the sheet fixing unit to be laid in a longitudinal direction and detachably attached to the outer surface of a protective film; an attachment/detachment piece fixed to the other end of the attachment sheet; a sagging allowance fixing unit disposed on the other side of the base unit and fixed to allow movement of the attachment/detachment piece to allow the attachment sheet upwardly spaced from the portable terminal to come in contact with the upper surface of the portable terminal as the attachment sheet sags variably; a sliding coupling unit disposed on the base unit in the longitudinal direction; a slider coupled to the sliding coupling unit to be slid; and a pressing roll rotationally fixed to the slider. The pressing roll downwardly presses the attachment sheet spaced apart from the portable terminal while primarily moving with the slider such that the pressing roll is aligned on the portable terminal and attaches the protective film having a protective sheet attached to an adhesive surface of a lower surface to the lower surface of the attachment sheet. After being returned with the slider, the pressing roll downwardly presses the attachment sheet spaced apart from the portable terminal while being secondarily moved by slide of the slider such that the protective film from which the protective sheet is removed is attached to the portable terminal in an aligned state.

Description

Protective film attaching apparatus for portable terminal and method for attaching thereof

The present invention relates to a device for attaching a protective film for a portable terminal and a method for attaching the device, and more specifically, a device for attaching a protective film for a portable terminal to accurately and cleanly attach a protective film to a portable terminal such as a mobile phone or tablet PC such as a smartphone. And an attachment method.

2. Description of the Related Art In general, a mobile phone means a small cordless phone that allows you to make and receive calls while carrying it on your hand or carrying it on your body. Recently, a smart phone corresponding to an intelligent terminal to which a computer support function such as Internet communication, information retrieval, and driving of an application is added has been widely used in a mobile phone.

Such a smart phone has a liquid crystal screen with a touch screen provided on the screen as a key input means, and touches the screen of the touch screen or presses the screen with a separate pen to input information. Scratches such as scratches easily occur, and even when the screen is pressed with a strong force, damage or damage to the screen may occur. In addition, when carrying a smart phone or the like, there are frequent cases where scratches such as scratches are generated on the screen due to contact or impact with an object to be carried together.

Therefore, smartphones and the like are often used with a protective film attached to protect the screen. In order to attach a protective film such as a smartphone, first, the surface to which the protective film is to be attached must be cleanly cleaned prior to attachment, and when attached, care must be taken to prevent fingerprints or fingerprints from occurring on the adhesive surface of the protective film. do.

However, even if the protective film is proficient, it is not easy to attach it to the correct location on a smartphone or the like, foreign substances enter the adhesive surface of the protective film, fingerprints or fingerprints are generated, and in order to solve this, the protective film is used. When peeling off, foreign matter is introduced into the adhesive surface, or the adhesive surface is damaged by fingerprints or handprints, resulting in poor transparency, and when the adhesive surface is damaged, the adhesive force is greatly reduced.

In order to solve this problem, as a device for attaching a protective film to a portable terminal such as a smart phone, there is a "protective film attachment device for mobile phones" of Korean Patent No. 10-1135144. It has an insertion portion into which a mobile phone is inserted, an accommodation space in which the inserted mobile phone is accommodated, and a body in which upper and lower sides of the accommodation space are opened; It is formed to protrude on the inner surface of the side surface of the body to support the protective film; A cover installed over the body; And a pressure roller installed rotatably on the cover and installed on the cover so as to correspond to the end of the front surface of the mobile phone accommodated in the receiving space when the cover covers the body, and the protrusion is positioned higher than the front surface of the mobile phone and protected When one end of the film is located at the end of the front side of the mobile phone, the other end of the protective film is supported by a protrusion and is arranged so that the protective film is inclined.

However, such a prior art is not only inconvenient in initial alignment of the protective film with respect to the mobile phone, but also depends on the user's skill level, and the size of the used mobile phone is fixed, making it difficult to easily apply to mobile phones of various sizes and adhesion of the protective film By not considering the separation of the protective sheet attached to the surface, there was a problem that causes contamination and inconvenience when separating the protective sheet from the protective film.

In order to solve the above-mentioned problems with the prior art, the present invention allows the alignment of the protective film for various portable terminals including mobile phones to be easily performed by anyone, and is commonly used in portable terminals having different sizes. By making it possible, economical use is possible because multiple purchases are not required depending on the model or model of the mobile terminal, and the separation of the protective sheet attached to the adhesive surface of the protective film is made easily without intervention such as dust, and these points Due to this, it is not only to facilitate the work of attaching the protective film, but also to contribute to the improvement of the adhesion quality of the protective film.

In order to solve the problems as described above, according to an aspect of the present invention, the base portion is provided with a guide portion for guiding the mobile terminal to be aligned on the upper surface; A seat fixing portion provided on one side of the base portion; An attachment sheet fixed to the seat fixing part and placed along the longitudinal direction on the base portion, and detachably attached to an outer surface of the protective film; A detachable piece fixed to the other end of the attachment sheet; Provided on the other side of the base portion, and by fixing the detachable piece to allow movement, the deflection allowance permitting the attachment sheet spaced apart from the portable terminal to be in contact with the upper surface of the portable terminal by varying the deflection government; A sliding coupling portion provided along the longitudinal direction of the base portion; A slider slidably coupled to the sliding portion; And while being rotatably fixed to the slider, and primarily moved with the slider, by pressing the attachment sheet spaced apart from the portable terminal downward, it is arranged on the portable terminal, and a protective sheet on the adhesive surface of the bottom surface By attaching the protective film is attached to the bottom surface of the attachment sheet, and after returning with the slider, while moving the secondary by sliding of the slider, by pressing the attachment sheet spaced from the portable terminal downward, the A pressure-sensitive roller that allows the protective film from which the protective sheet is separated is attached in an aligned state on the portable terminal.

The sag allowable fixing part, a vertical member that is vertically installed on both sides from the other side of the base portion; A guide bar installed horizontally on the upper portion between the vertical members to support the bottom surface of the attachment sheet; And a slit formed vertically on each of the vertical members so as to be located on the rear side of the guide bar, and opened upwardly so that both ends of the detachable piece are slidably coupled to each other.

The detachable piece, the fixing bar is provided in the width direction on the other end of the attachment sheet, the engaging projections slidingly coupled to the slit are provided at both ends; A fixing piece disposed parallel to the fixing bar so that the other end of the attachment sheet is interposed between the fixing bar; And a plurality of fixing bolts fixing the fixing piece to the fixing bar.

The sliding coupling portion is formed along the longitudinal direction so as to open upward on both sides of the base portion, the sliding groove having a "L" cross-sectional shape; And a sliding bar positioned inside each of the sliding grooves to avoid exposure upward and installed along the longitudinal direction, wherein the slider includes: a sliding block slidably coupled to each of the sliding bars; And it is fixed to each of the sliding block, extends so as to protrude upward from the sliding groove, the extension coupling piece to be connected to the pressure roller side; may include.

It is provided between the slider and the pressing roller, and further comprising a roller rotating portion to rotate the pressing roller away from the attachment sheet from the slider, the roller rotating portion, about the axis located in the width direction on the slider A rotating member installed to rotate; A handle provided for user gripping on the rotating member; A rotating coupling piece fixed to both sides of the rotating member and allowing the pressing roller to be rotatably coupled between each; And a stopper provided on the slider to limit the rotation angle of the rotating member.

According to another aspect of the present invention, a method of attaching a protective film to a portable terminal, comprising: aligning the portable terminal on a base portion by a guide portion; Placing a protective film with a protective sheet attached to the adhesive surface of the bottom surface to be aligned with the screen of the mobile terminal; A step in which the protective film is attached to the bottom surface of the attachment sheet by pressing the attachment sheet having one side fixed to the base portion on the protective film in an unfolded state by pressing with a pressure roller; Separating the attachment sheet from the portable terminal together with the protective film, and then removing the protective sheet from the bottom surface of the protective film; Pressing the attachment sheet against the portable terminal in an unfolded state by pressing it by the pressure roller, so that the protective film is attached to the screen of the portable terminal in an aligned state by the adhesive surface; And separating the attachment sheet from the portable terminal upwardly so as to be separated from the protective film, so that only the protective film remains attached on the screen of the portable terminal. A method for attaching a film is provided.

According to the apparatus for attaching a protective film and a method for attaching a protective film for a portable terminal according to the present invention, it is possible to make it easy for anyone to align the protective film for various portable terminals including a mobile phone, and a portable terminal having a standard having a different size By allowing it to be used in common, it is possible to use economically because multiple purchases are not required depending on the model or model of the mobile terminal, and the separation of the protective sheet attached to the adhesive surface of the protective film can be easily achieved without intervention such as dust. It is possible to not only facilitate the attachment of the protective film due to these points, but also contribute to the improvement of the adhesion quality of the protective film.

1 is a side view showing a device for attaching a protective film for a mobile terminal according to an embodiment of the present invention.
2 is a rear view showing a device for attaching a protective film for a portable terminal according to an embodiment of the present invention.
3 is a plan view showing a device for attaching a protective film for a mobile terminal according to an embodiment of the present invention.
4 is a cross-sectional view taken along line AA of FIG. 3.
5 is a schematic diagram for sequentially explaining a method of attaching a protective film to a portable terminal according to another embodiment of the present invention.

Since the present invention may have various embodiments by various changes, specific embodiments will be described with reference to the drawings. In addition, it should be understood that the present invention is not limited to these specific embodiments, and includes all modifications, equivalents, and substitutes included in the technical spirit of the present invention.

Hereinafter, exemplary embodiments according to the present invention will be described in detail with reference to the accompanying drawings, and the same reference numerals are assigned to the same or corresponding components regardless of reference numerals, and redundant descriptions are omitted. Shall be

1 is a side view showing a device for attaching a protective film for a portable terminal according to an embodiment of the present invention, and FIG. 2 is a rear view showing a device for attaching a protective film for a portable terminal according to an embodiment of the present invention, 3 is a plan view showing a device for attaching a protective film for a portable terminal according to an embodiment of the present invention, and FIG. 4 is a cross-sectional view taken along line AA of FIG. 3.

1 to 4, the protective film attachment device 100 for a portable terminal according to an embodiment of the present invention includes a base portion 110, a sheet fixing portion 120, an attachment sheet 130, a detachable piece ( 140), sag allowable fixing part 150, a sliding coupling portion 160, a slider 170 and a pressing roller 180.

The base portion 110 is installed on the installation surface, and guide portions 111 and 112 are provided to guide the mobile terminal 10 to be aligned on the upper surface. Here, the guide parts 111 and 112 are first guide parts 111 arranged in the width direction to support the ends of the portable terminal 10 and second guides arranged in the length direction to support the side parts of the portable terminal 10. It may include a portion 112. In addition, the portable terminal 10 (shown in FIG. 5) may be, for example, a smartphone, but is not limited thereto, and a general mobile phone, as well as a tablet PC, and a protective film 20 (shown in FIG. 5) are attached to the screen. Various portable terminals that need to be used can be used.

The seat fixing portion 120 is provided on one side of the base portion 110, for example, in the width direction so that one end of the attachment sheet 130 is interposed on the first guide portion 111 included in the base portion 110. The fixing bar 121 is positioned on the first bar of the base portion 110 by being screwed on the first guide portion 111 of the base portion 110 through the fixing bar 121. A plurality of fixing bolts 122 to be fixed to the guide portion 111 may be included.

Attachment sheet 130 is fixed to the seat fixing portion 120 is placed along the longitudinal direction on the base portion 110, is detachably attached to the outer surface of the protective film 20. The attachment sheet 130 may be made of, for example, a silicone sheet for self-attachment to the outer surface of the protective film 20. Here, the attachment sheet 130 is attached to the outer surface which does not have an adhesive force in the protective film 20, and attaches the protective film 20 with an adhesive force smaller than that of the protective film 20.

The detachable piece 140 is fixed to the other end of the attachment sheet 130. The detachable piece 140 is, for example, a fixing bar 141 that is installed at the other end of the attachment sheet 130 in the width direction, and that the engaging projections 141a slidingly coupled to the slits 153, which will be described later, are provided at both ends, respectively. With the fixed piece 142 and the fixed piece 142 to be fixed to the fixed bar 141 by being arranged in parallel with the fixed bar 141, the other end of the attachment sheet 130 is interposed between the fixed bar 141. It may include a plurality of fixing bolts (143) for fixing. The engaging projection 141a is formed to have a smaller diameter than the fixed bar 141, so that a locking jaw can be formed between the fixed bar 141, and this causes the slit 153 to be restricted from leaving. do.

The deflection allowable fixing part 150 is provided on the other side of the base portion 110, and the detachable piece 140 is fixed to allow movement, so that the attachment sheet 130 spaced upward from the portable terminal 10 is deflected. It is allowed to make contact with the upper surface of the portable terminal 10 by variable.

The deflection allowable fixing part 150 is attached by being horizontally installed on the upper portion between the vertical member 151 and the vertical member 151, which are vertically installed on both sides of the other side of the base 110, for example, as in this embodiment. The guide bar 152 supporting the bottom surface of the seat 130 and the vertical members 151 are respectively vertically formed so as to be located on the rear side of the guide bar 152, and both ends of the detachable piece 140, that is, a coupling protrusion Each of the (141a) may include a slit (153) that is opened upward so as to be slidably coupled in the vertical direction, respectively. Here, the back side is based on the direction of moving the pressure roller 180, which will be described later, in order to push the attachment sheet 130 to the portable terminal 10 side, the side where the seat fixing part 120 is located is called the front side. When doing so, the opposite side can be referred to as the rear side. The vertical member 151 may be fixed to the base portion 110 by bolts or the like. Both ends of the guide portion 152 may be fixed between the vertical members 151 by bolts or the like.

The sliding coupling part 160 is provided along the longitudinal direction of the base part 110. The sliding coupling portion 160 is formed along the longitudinal direction so as to open upwards on both sides of the base portion 110, the sliding groove 161 having a "L" cross-sectional shape, and a sliding groove to avoid exposure upward (161) It is located inside each, it may include a sliding bar 162 is installed along the longitudinal direction. Here, the sliding bar 162 may be fixed using a fastening member such as a bolt or a bracket in the sliding groove 161 so that both ends are spaced apart from the side surface of the sliding groove 161.

The slider 170 is slidably coupled to the sliding coupling portion 160. The slider 170 may be fixed to each of the sliding blocks 171 and the sliding blocks 171, which are slidably coupled to each of the sliding bars 162, for example, in this embodiment, and upward from the sliding groove 161. It may be extended to protrude, and may include an extension coupling piece 172 to be connected to the pressure roller 180 side. The sliding block 171 may be slidingly coupled to the sliding bar 162 via a bearing. The extension coupling piece 172 may be fixed to the sliding block 171 with a bolt or the like.

The pressing roller 180 is fixed to the slider 170 so as to be rotatable and moves firstly with the slider 170, while pressing the attachment sheet 130 spaced apart from the portable terminal 10 downward, thereby pressing the portable terminal ( In addition to being aligned on 130, the protective film 20 having the protective sheet 21 attached to the adhesive surface of the bottom surface is attached to the bottom surface of the attachment sheet 130, and after returning with the slider 170, the slider ( 170), the protective film 20 separated from the protective sheet 21 is pressed on the portable terminal 10 by pressing the attachment sheet 130 spaced apart from the portable terminal 10 while moving secondarily by sliding. To be attached in an aligned state. The pressure roller 180 may be formed of an elastic material having an outer circumferential surface, for example, silicone or rubber, or elastic synthetic resin, and is fixed to be rotatable directly on the slider 170, or to be easily separated from the attachment sheet 130. It may be fixed to the slider 170 via the rotation unit 190.

The roller rotation unit 190 is provided between the slider 170 and the pressure roller 180, and the pressure roller 180 is rotated from the slider 170 to be spaced apart from the attachment sheet 130, thereby being attached to the attachment sheet 130. A margin for easily separating the protective sheet 21 from the adhesive surface of the attached protective film 20 may be provided.

The roller rotating unit 190 is provided with a rotating member 191 that is installed to rotate about an axis 191a (shown in FIG. 1) positioned in the width direction on the slider 170, and a user's grip on the rotating member 191. The handle 192 is provided for the rotation member 193, which can be fixed to both sides of the rotating member 191, and the pressing roller 180 is rotatably coupled between each, and the slider 170 ) May include a stopper 194 provided to prevent excessive rotation of the rotating member 191 by limiting the rotation angle of the rotating member 191. Here, the components constituting the roller rotating unit 190 may be coupled to each other by bolts or the like.

5 is a schematic diagram for sequentially explaining a method of attaching a protective film to a portable terminal according to another embodiment of the present invention. The method of attaching the protective film of the portable terminal according to another embodiment of the present invention, for example, using the protective film attachment device 100 for a portable terminal according to an embodiment of the present invention, the protective film 20 on the portable terminal 10 As a method of attaching, the same reference numerals are assigned to the same components, and redundant description will be omitted.

Referring to (a) of FIG. 5, the mobile terminal 10 is aligned on the base 110 by the guide units 111 and 112. Then, to protect the adhesive surface on the adhesive surface of the bottom surface, the protective film 20 with the protective sheet 21 attached is positioned to be aligned with the attachment position on the screen of the portable terminal 10. On the other hand, the portable terminal 10 wipes the screen with a wipe before the alignment of the protective film 20, and then removes moisture from the screen with a dry tissue, thereby removing foreign matter such as dust from the screen.

Referring to (b) of FIG. 5, one side of the base 110 is pressed roller 180 which rotates the attachment sheet 130 fixed by the sheet fixing part 120 by sliding of the slider 170. By being pressed and pressed onto the protective film 20 in an unfolded state, the protective film 20 is attached to the bottom surface of the attachment sheet 130 by the adhesive force of the attachment sheet 130. On the other hand, before pressing the attachment sheet 130, the deflection of the attachment sheet 130 by installing the detachable piece 140 fixed to the other end of the attachment sheet 130 to be movable upward in the deflection allowable fixing part 150 Make this variable.

Referring to (c) of FIG. 5, when the protective film 20 is attached to the attachment sheet 130, the attachment sheet 130 is spaced apart from the portable terminal 10 together with the protection film 20, and then exposed. The protective sheet 21 is removed from the bottom surface of the protective film 20, and the adhesive surface provided on the bottom surface of the protective film 20 is exposed.

Referring to (d) of FIG. 5, the adhesive film 130 is pressed by the pressure roller 180 to be in close contact with the portable terminal 10 in an unfolded state, so that the protective film 20 is attached to the portable terminal ( 10) to be attached in the aligned state on the screen. On the other hand, before pressing the attachment sheet 130, the installation of the detachable piece 140 fixed to the other end of the attachment sheet 130 is installed to be able to move upward to the deflection allowable fixing portion 150, the sagging of the attachment sheet 130 Make this variable.

Referring to FIG. 5(e), the attachment sheet 130 is separated from the protective film 20 by being spaced upward from the portable terminal 10, so that only the protective film 20 is displayed on the screen of the portable terminal 10. To remain attached to the, and detaching the portable terminal 10 from the base portion 110, the attachment of the protective film 20 to the portable terminal 10 is completed.

According to the apparatus for attaching a protective film and a method for attaching a protective film for a mobile terminal according to the present invention, it is possible to make it easy for anyone to align the protective film for various mobile terminals including a mobile phone, and it has a standard having different sizes. By being able to be commonly used in a portable terminal, it is possible to economically use a plurality of purchases according to the type or model of the portable terminal.

In addition, according to the present invention, the separation of the protective sheet attached to the adhesive surface of the protective film can be easily made without intervention such as dust.

Therefore, according to the present invention, due to the above-mentioned points, it is possible not only to facilitate the attachment operation of the protective film, but also to contribute to the improvement of the adhesion quality of the protective film.

Although the present invention has been described with reference to the accompanying drawings, various modifications may be made without departing from the technical spirit of the present invention. Therefore, the scope of the present invention should not be limited to the above-described embodiments, but should be defined by the claims, and the equivalents of the claims.

10: mobile terminal 20: protective film
21: protection sheet 110: base
111,112: Guide part 120: Seat fixing
121: fixing bar 122: fixing bolt
130: attachment sheet 140: detachable
141: fixing bar 141a: engaging projection
142: fixed piece 143: fixed bolt
150: sag allowance fixing part 151: vertical member
152: guide bar 153: slit
160: sliding coupling portion 161: sliding groove
162: sliding bar 170: slider
171: sliding block 172: extended coupling piece
180: pressurized roller 190: roller rotating unit
191: rotating member 191a: shaft
192: handle 193: rotating coupling piece
194: stopper

Claims (6)

A base portion provided with a guide portion for guiding the mobile terminal to be aligned on the upper surface;
A seat fixing portion provided on one side of the base portion;
An attachment sheet fixed to the seat fixing part and placed along the longitudinal direction on the base portion, and detachably attached to an outer surface of the protective film;
A detachable piece fixed to the other end of the attachment sheet;
Provided on the other side of the base portion, and by fixing the detachable piece to allow movement, the deflection allowance permitting the attachment sheet spaced apart from the portable terminal to be in contact with the upper surface of the portable terminal by varying the deflection government;
A sliding coupling portion provided along the longitudinal direction of the base portion;
A slider slidably coupled to the sliding portion; And
While being rotated and fixed to the slider and primarily moving with the slider, by pressing the attachment sheet spaced apart from the portable terminal downward, it is arranged on the portable terminal, and a protective sheet is attached to the adhesive surface on the bottom. After attaching the attached protective film to the bottom surface of the attachment sheet, and returning together with the slider, while moving secondarily by sliding of the slider, pressing the attachment sheet spaced apart from the portable terminal downward, thereby protecting the A pressure roller that allows the protective film from which the sheet is separated to be attached in an aligned state on the portable terminal;
A protective film attachment device for a portable terminal comprising a. The method according to claim 1,
The sagging allowance fixing section,
A vertical member installed vertically on both sides from the other side of the base portion;
A guide bar installed horizontally on the upper portion between the vertical members to support the bottom surface of the attachment sheet; And
Slits are formed vertically so as to be located on the rear side of the guide bar on each of the vertical members, and are opened upward so that both ends of the detachable piece are slidably coupled to each other;
A protective film attachment device for a portable terminal comprising a. The method according to claim 2,
The detachable piece,
Fixing bars are installed at the other end of the attachment sheet in the width direction, and the engaging projections slidingly coupled to the slits are provided at both ends;
A fixing piece disposed parallel to the fixing bar so that the other end of the attachment sheet is interposed between the fixing bar; And
A plurality of fixing bolts fixing the fixing piece to the fixing bar;
A protective film attachment device for a portable terminal comprising a. The method according to claim 1,
The sliding coupling portion,
A sliding groove formed along the longitudinal direction so as to open upwards at both sides of the base portion and having a “L”-shaped cross-sectional shape; And
Includes a sliding bar located inside each of the sliding grooves to avoid exposure upward, and installed along the longitudinal direction;
The slider,
A sliding block slidably coupled to each of said sliding bars; And
It is fixed to each of the sliding block, extends so as to protrude upward from the sliding groove, an extension coupling piece to be connected to the pressure roller side; including, protective film attachment device for a portable terminal. The method according to any one of claims 1 to 3,
It is provided between the slider and the pressing roller, and further comprising a roller rotating unit to rotate the pressing roller away from the attachment sheet from the slider,
The roller rotating unit,
A rotating member installed to rotate around an axis positioned in the width direction on the slider;
A handle provided for user gripping on the rotating member;
A rotating coupling piece fixed to both sides of the rotating member and allowing the pressing roller to be rotatably coupled between each; And
A stopper provided on the slider to limit the rotation angle of the rotating member; including, a protective film attachment device for a portable terminal. As a method of attaching a protective film to the mobile terminal,
Aligning the portable terminal on the base portion by a guide portion;
Placing a protective film with a protective sheet attached to the adhesive surface of the bottom surface to be aligned with the screen of the mobile terminal;
A step in which the protective film is attached to the bottom surface of the attachment sheet by pressing the attachment sheet having one side fixed to the base portion on the protective film in an unfolded state by pressing with a pressure roller;
Separating the attachment sheet from the portable terminal together with the protective film, and then removing the protective sheet from the bottom surface of the protective film;
Pressing the attachment sheet against the portable terminal in an unfolded state by pressing it by the pressure roller, so that the protective film is attached to the screen of the portable terminal in an aligned state by the adhesive surface;
Separating the attachment sheet from the portable terminal upwardly so as to be separated from the protective film, so that only the protective film remains attached to the screen of the portable terminal;
A method of attaching a protective film to a portable terminal comprising a.

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