KR102362895B1 - Jig for attaching protective film to a foldable phone - Google Patents

Abstract

A protective film attachment jig for a foldable phone comprises: a jig main body provided in the shape of a flat plate extended horizontally and having a seating hole in which an unfolded foldable phone is inserted and seated so that a display screen is exposed on an upper surface; and a film alignment unit which restrains the lower and upper sides of a guide film attached to a surface side of the protective film to align an adhesive layer of the back of the protective film from which a release film is removed so as to face the display screen of the foldable phone seated in the seating hole.

Description

A jig for attaching a protective film for a foldable phone {JIG FOR ATTACHING PROTECTIVE FILM TO A FOLDABLE PHONE}

The present invention (Disclosure) relates to a jig for attaching a protective film for a foldable phone capable of conveniently and accurately attaching a protective film to the display screen of a foldable phone equipped with a foldable display without generating air bubbles.

Herein, background information related to the present invention is provided, which does not necessarily mean known art (This section provides background information related to the present disclosure which is not necessarily prior art).

In general, a display screen is provided in portable terminals such as smart phones and tablet PCs, and a protective film is attached to the surface of the display screen to prevent scratches such as scratches.

Recently, protective films based on glass materials have been widely used to compensate for the disadvantages of PET-based protective films, that is, transmittance and hardness.

However, the above-mentioned protective film attachment operation seems to be a simple operation that anyone can easily attach, but in fact, there was a problem so difficult that even experts could not attach it cleanly and accurately at once.

In particular, in the case of a recently released foldable smartphone, for example, the product name "Calyxie Z Flip" released by Samsung Electronics, there is a problem in that the protective film is more difficult to attach because a concave folding part is formed in the folding part.

Korean Patent Publication No. 10-2162940. Korean Patent Publication No. 10-2168376. Korean Patent Publication No. 10-2263407. Korean Public Utility Model Publication No. 20-2020-0001678.

An object of the present invention (Disclosure) is to provide a jig for attaching a protective film for a foldable phone that allows a protective film to be conveniently and accurately attached to a display screen of a foldable phone having a concave folding part formed in the folding part without generating air bubbles.

In addition, the problem to be solved by the present invention is not limited to the technical problems mentioned above, and other technical problems not mentioned are clearly understood by those of ordinary skill in the art to which the present invention belongs from the description below. it could be

Herein, a general summary of the present invention is provided, which should not be construed as limiting the scope of the present invention (This section provides a general summary of the disclosure and is not a comprehensive disclosure of its full scope or all of its features).

In order to solve the above problems, a jig for attaching a protective film for a foldable phone according to any one aspect of various aspects describing the present invention is provided in the shape of a flat plate extending horizontally, and a display screen is provided on the upper surface a jig body having a seating hole in which the unfolded foldable phone is inserted and seated to be exposed; and a film that restrains the lower and upper sides of the guide film attached to the surface side of the protective film to align the adhesive layer on the back of the protective film from which the release film is removed to face the display screen of the foldable phone seated in the seating hole It may include; an alignment unit.

In the jig for attaching a protective film for a foldable phone according to an aspect of the present invention, a through hole and a receiving groove for accommodating a camera lens and a side button of the foldable phone may be formed on the bottom and side of the seating hole.

In the jig for attaching a protective film for a foldable phone according to an aspect of the present invention, the film aligning unit is formed to protrude integrally on the upper surface of the jig body adjacent to the lower side of the foldable phone inserted and seated in the seating hole, a first gripper for constraining and supporting the lower end of the guide film extending outward from the lower end of the protective film; and a second gripper installed on the upper surface of the jig body adjacent to the upper side of the foldable phone inserted and seated in the seating hole to restrain and support the upper side of the guide film extending outward from the upper end of the protective film; 2 The gripper may restrain and support the upper side of the guide film higher than the lower side of the guide film.

In a jig for attaching a protective film for a foldable phone according to an aspect of the present invention, the first gripper includes: a first restraining pin; and a second restraint pin; including, wherein the first restraint pin and the second restraint pin are formed to face each other along the width direction of the seating hole, and the first restraint pin and the second restraint pin have different cross-sections, the guide First and second alignment holes having shapes corresponding to the cross-sectional shapes of the first and second restraining pins and fitted to the first and second restraining pins may be formed at the lower end of the film.

In the jig for attaching a protective film for a foldable phone according to an aspect of the present invention, the first gripper includes a fixing jig that prevents the lower end of the guide film sandwiched between the first and second restraining pins from being separated. However, the fixing jaw extends horizontally along the width direction of the jig body, and the fixing jaw has a shape corresponding to the cross-sectional shape of the first and second restraining pins to be fitted to the first and second restraining pins. A first fixing hole and a second fixing hole having a can be formed.

In the jig for attaching a protective film for a foldable phone according to an aspect of the present invention, the second gripper is provided in a vertical plate shape extending along the width direction of the jig body, and the lower side is on the upper surface of the jig body an alignment block that is detachably installed in a holder formed on the; and a pair of third restraint pins formed on the upper surface of the align block to face along the width direction of the seating hole, wherein the third restraint pins are formed to have a circular cross-sectional shape, and A pair of third alignment holes may be formed on the upper side of the third restraint pins to have a shape corresponding to the cross-sectional shape of the third restraint pins and fit into the third restraint pins.

In the jig for attaching a protective film for a foldable phone according to an aspect of the present invention, on the outer circumferential surface of the third restraining pins facing the first gripper, a first tensioning bar and a second tensioning bar for applying tension to the guide film are provided It is formed to protrude, and the first tensioning bar extends vertically from the upper end of the third restraining pins to the center of the third restraining pins, and the second tensioning bar has a larger cross-sectional area than the cross-sectional area of the first tensioning bar. is formed to extend vertically from the extension end of the first tension control bar to the lower end of the third restraint pins, and the first tension adjustment bar and the second tension adjustment bar are formed when the protective film is attached to the display screen of the foldable phone. A stress may be applied to the third alignment holes guided along the 3 restraining pins, and the third alignment holes may apply tension to the guide film while resisting the stress applied from the first tension control bar and the second tension control bar.

In the jig for attaching a protective film for a foldable phone according to an aspect of the present invention, the protective film aligned with the film aligning unit presses the protective film together with the guide film to the display screen of the foldable phone and moves the folder by a squeegee. It can be attached to the display screen of the mobile phone.

According to the present invention, it is possible to provide the effect of conveniently and accurately attaching the protective film to the display screen of a foldable phone having a concave folding part formed in the folding part regardless of skill level without generating air bubbles.

1 is a perspective view showing a jig for attaching a protective film for a foldable phone according to the present invention;
FIG. 2 is an exploded perspective view showing a state in which the protective film of the protective film attaching jig for the foldable phone shown in FIG. 1 is aligned;
3 to 5 are views showing the use state of the jig for attaching a protective film for a foldable phone according to the present invention.

Hereinafter, an embodiment in which a jig for attaching a protective film for a foldable phone according to the present invention is implemented will be described in detail with reference to the drawings.

However, it cannot be said that the intrinsic technical idea of the present invention is limited by the embodiments described below, and the following by those skilled in the art based on the intrinsic technical idea of the present invention It is revealed that the range that can be easily suggested as a method of substitution or modification of the embodiments described in is included.

In addition, since the terms used below are selected for convenience of description, in grasping the intrinsic technical idea of the present invention, they are not limited to the dictionary meaning and are appropriately interpreted as meanings consistent with the technical spirit of the present invention. it should be

1 and 2 are views showing a protective film attaching jig for a foldable phone according to the present invention. The protective film attaching jig 100 for a foldable phone according to the present invention is a foldable phone (M) to which a protective film 10 is to be attached. 3 to 5), a film for aligning the jig body 110 to be seated, and the protective film 10 to face the display screen P of the foldable phone M seated on the jig body 110 It includes an alignment unit 120 .

Here, the foldable phone M may be a conventional foldable smartphone having a concave folding part F (refer to FIG. 3 ) formed in the foldable portion, for example, a “Galaxy Z Flip” marketed by Samsung Electronics.

And the protective film 10 is based on a PET material or a glass material, and as anyone can see, the protective film 10 has an area corresponding to the display screen P of the foldable phone M, but the adhesive layer It has a formed back side and a surface facing the back side, and the back side of the protective film 10 is provided with a release film 20 for protecting the adhesive layer attached, and the guide film 30 is attached to the front side of the protective film 10 . has been provided

At this time, the lower side and the upper side of the guide film 30 are provided to have a length that further extends to the outside of the lower end and upper end of the protective film 10 as shown.

Hereinafter, the jig body 110 and the film alignment unit 120 constituting the protective film attaching jig 100 for a foldable phone according to the present invention will be described.

First, the jig body 110 has a predetermined height and is provided in the shape of a horizontally extended flat plate.

At this time, a seating hole 112 is formed on the upper surface of the jig body 110 to insert and seat the foldable phone M to which the protective film 10 is to be attached.

As shown, the seating hole 112 is formed on the upper surface of the jig body 110 to be settling toward the lower surface of the jig body 110, and the seating hole 112 is inserted into the foldable phone M in an unfolded state. It is formed to have an area that can be

In addition, the foldable phone M is inserted and seated in an unfolded state so that the display screen P is exposed in the seating hole 112 formed in this way (refer to FIG. 3 ).

On the other hand, on the bottom and side of the seating hole 112, a through hole 114 and receiving grooves 116 for accommodating a camera lens (not shown) and a side button (not shown) of the foldable phone M are provided. is formed, whereby the foldable phone M has a directionality and is inserted and seated in the seating hole 112 .

Preferably, a non-slip pad (not shown) made of rubber or silicone, etc. is attached on the lower surface of the jig body 110 to prevent the jig body 110 from slipping when the protective film 10 is attached. can be

The film alignment unit 120 constrains the guide film 30 so that the adhesive layer of the protective film 10 from which the release film 20 has been removed is placed on the display screen of the foldable phone M seated in the seating hole 112 ( P) aligned to face.

To this end, the film alignment unit 120 includes a first gripper 122 that restrains and supports the lower end of the guide film 30 so as not to interfere with the protective film 10 , and restrains and supports the upper end of the guide film 30 . and a second gripper (134).

The first gripper 122 is a first restraining pin 124 integrally formed to protrude on the upper surface of the jig body 110 adjacent to the lower side of the foldable phone M inserted and seated in the seating hole 112 . and a second restraining pin 126 .

At this time, the first restraint pin 124 and the second restraint pin 126 are formed to face each other along the width direction of the seating hole 112 , the first restraint pin 124 and the second restraint pin 126 are mutually It is formed to have a different cross-sectional shape.

For example, the first restraining pin 124 may be formed to have a circular cross-sectional shape as shown in FIGS. 1 and 2, and the second restraining pin 126 may be formed to have a rectangular cross-sectional shape. can

The first alignment hole 32 and the second alignment hole 34 formed on the lower side of the guide film 30 are fitted to the first constraining pin 124 and the second constraining pin 126 formed in this way, and the first alignment The ball 32 has a shape corresponding to the cross-sectional shape of the first restraining pin 124 , and the second alignment hole 34 has a shape corresponding to the cross-sectional shape of the second restraining pin 126 .

Here, to form the cross-sectional shapes of the first restraining pin 124 and the second restraining pin 126 in different shapes, the adhesive layer of the protective film 10 from which the release film 20 is removed is placed in the seating hole 112 . ) to align to face the display screen P of the foldable phone M seated in it.

That is, when the first alignment hole 32 is fitted to the first constraint pin 124 and the second alignment hole 34 is fitted to the second constraint pin 126 , the release film 20 is removed from the protective film The adhesive layer of (10) faces the display screen (P) of the foldable phone (M) seated in the seating hole (112).

On the other hand, in the first gripper 122 , the lower end of the guide film 30 sandwiched between the first and second restraining pins 124 and 126 is the first restraining pin 124 and the second restraining pin 126 . It further includes a fixing jaw 128 that does not separate from the.

The fixing jaw 128 extends horizontally along the width direction of the jig body 110 as shown. A first fixing hole 130 and a second fixing hole 132 are formed.

At this time, the first fixing hole 130 has a shape corresponding to the cross-sectional shape of the first restraining pin 124 like the first alignment hole 32 , and the second fixing hole 132 is the second alignment hole 34 . ) has a shape corresponding to the cross-sectional shape of the second restraining pin 126 likewise.

That is, since the fixing jaw 128 is fitted to the first and second restraining pins 124 and 126 in which the lower end of the guide film 30 is fitted, the lower end of the guide film 30 is provided with a protective film 10 . Until the attachment is completed, the first restraining pin 124 and the second restraining pin 126 are not separated from each other and maintained in a restrained state.

The second gripper 134 is installed on the upper surface of the jig body 110 to face the first gripper 122 with the seating hole 112 interposed therebetween, and the second gripper 134 includes a squeegee (S; FIG. 4 and 5)), when attaching the protective film 10, the guide film prevents the formation of air bubbles by smoothly removing the air remaining between the protective film 10 and the display screen P of the foldable phone M. The upper end of the 30 is constrained and supported higher than the lower end of the guide film 30 (see FIG. 3 ).

The second gripper 134 includes an alignment block 136 installed on the upper surface of the jig body 110 adjacent to the top side of the foldable phone M inserted and seated in the seating hole 112, and and a pair of third restraining pins 138 integrally formed with the block 136 .

The alignment block 136 is provided in a substantially vertical plate shape extending along the width direction of the jig body 110 as shown, and the lower side of the alignment block 136 is on the upper surface of the jig body 110 . is detachably installed on the

To this end, the holder 118 to which the lower side of the alignment block 136 is fitted is integrally formed on the upper surface of the jig body 110 .

And when the protective film 10 is attached to the display screen P of the foldable phone M on the upper surface of the alignment block 136, the upper side of the guide film 30 is draped over (see FIG. 5 ).

The third restraining pins 138 are formed to face the upper surface of the alignment block 136 in the longitudinal direction of the alignment block 136 , that is, in the width direction of the seating hole 112 .

These third restraining pins 138 are formed to have a circular cross-sectional shape. Each third restraining pin 138 has a cross-sectional shape of the third restraining pin 138 formed on the upper side of the guide film 30 . The third alignment holes 36 having a shape corresponding to are fitted.

And the third alignment holes 36 fitted in the third restraint pin 138 are formed from the upper side of the third restraint pin 138 when the protective film 10 is attached to the display screen P of the foldable phone M. It is guided along the third restraint pin 138 toward the lower end of the third restraint pin 138 .

That is, when the protective film 10 is attached to the display screen P of the foldable phone M, the third alignment holes 36 formed on the upper side of the guide film 30 are the upper ends of the third restraining pins 138 . The display screen (P) of the foldable phone (M) using a squeegee (S), etc. on the lower side of the guide film (30) and the lower side of the protective film (10) under this condition (see FIG. 3) ) while moving the squeegee (S) toward the upper end of the guide film 30, the third alignment holes 36 move from the upper end of the third restraining pin 138 to the lower end of the third restraining pin 138. Guided along the restraining pin 138 (see FIGS. 4 and 5 ), the third alignment holes 36 are guided to the lower end of the third restraining pin 138 over the upper surface of the alignment block 136 . The ground protection film 10 is attached to the display screen P of the foldable phone M is completed.

On the other hand, when the protective film 10 is attached to the display screen P of the foldable phone M on the outer circumferential surface of the third restraining pins 138, the first tension control bar 140 that gives tension to the guide film 30 ) and the second tension control bar 142 are integrally formed to protrude.

The first tension adjustment bar 140 and the second tension adjustment bar 142 are formed to face the first gripper 122 as shown, and the first tension adjustment bar 140 includes the third restraining pin 138 . The upper ends of the third restraint pins 138 are formed to extend vertically to the center, and the second tension adjustment bar 142 is the lower end of the third restraint pins 138 from the extension end of the first tension adjustment bar 140 . vertically extending to

At this time, the cross-sectional area of the second tension control bar 142 is formed wider than the cross-sectional area of the first tension control bar 140 .

That is, when the protective film 10 is attached using a squeegee (S) from the lower end of the display screen (P) of the foldable phone (M) to the side of the folding part (F) formed in the center of the display screen (P), the third The alignment holes 36 are guided along the first tension adjustment bar 140 from the upper end of the third restraining pins 138 to the central portion of the third restraining pins 138 , wherein the third alignment holes 36 are 1 The tension of the guide film 30 is maintained while resisting the stress applied from the tension bar 140 .

In addition, when the squeegee (S) for attaching the protective film (10) to the display screen (P) of the foldable phone (M) is guided adjacent to the side of the folding part (F) formed in the center of the display screen (P), the first 3 alignment holes 36 are spanned across the start end of the second tension control bar 142, and under this condition, the squeegee (S) is moved to the upper end side of the display screen (P) through the folding unit (F) to provide a protective film When the (10) is attached, the third alignment holes 36 are guided along the second tension adjustment bar 142 from the central portion of the third restraint pins 138 to the lower end of the third restraint pins 138, at this time. The third alignment holes 36 resist the stress applied from the second tension control bar 142 , that is, a greater stress than when passing the first tension control bar 140 , while maintaining the tension of the guide film 30 . keep it tighter.

In this way, the second tension control bars 142 and the third alignment holes 36 maintain the tension of the guide film 30 more taut than the tension of the guide film 30 before the folding part F. Concave folding It allows the protective film 10 to be accurately attached to the part (F) without generating air bubbles.

Hereinafter, the state of use of the protective film attaching jig 100 for a foldable phone according to the present invention will be briefly described.

In order to attach the protective film 10 to the display screen P of the foldable phone M using the protective film attaching jig 100 for a foldable phone according to the present invention, first, the second gripper of the film aligning unit 120 134 is coupled to the holder 118 formed on the jig body 110 .

Then, after the foldable phone M is seated in an unfolded state in the seating hole 112 formed in the jig body 110, dust attached to the display screen P of the foldable phone M is removed.

When the foldable phone M to which the protective film 10 is to be attached is seated in the seating hole 112 of the jig body 110, the release film 20 is removed so that the adhesive layer of the protective film 10 is exposed. The guide film 30 is coupled to the first gripper 122 and the second gripper 134 to the lower end and upper end, respectively (refer to FIG. 3 ).

At this time, the guide film 30 and the protective film 10 attached to the guide film 30 are coupled to be inclined upward from the first gripper 122 to the second gripper 134 side, and the adhesive layer of the protective film 10 is It is aligned to face the display screen P of the foldable phone M seated in the seating hole 112 .

When the alignment of the protective film 10 is completed as described above, the lower side of the guide film 30 and the protective film 10 is pressed toward the display screen P of the foldable phone M using a squeegee (S). Then, while laying the squeegee (S) at an angle and applying force, move the squeegee (S) to the upper side of the guide film (30) and the protective film (10) for the display screen (P) of the foldable phone (M) The attachment of the protective film 10 is completed.

At this time, when the squeegee (S) attaches the protective film (10) from the lower side of the display screen (P) of the foldable phone (M) to the side of the folding part (F) formed in the center of the display screen (P), the guide film ( 30) The third alignment holes 36 formed on the upper side of the guide film while being guided along the first tension adjustment bar 140 from the upper side of the third restraining pins 138 to the center of the third restraining pins 138. Keep the tension of (30) taut (see FIG. 4).

In addition, when the squeegee (S) is guided adjacent to the side of the folding part (F) formed in the central part of the display screen (P), the third alignment holes (36) span the starting end of the second tension control bar (142). , when the protective film 10 is attached by moving the squeegee (S) to the upper side of the display screen (P) through the folding part (F) under this condition, the third alignment holes (36) are formed by the third restraining pins (138) While guided along the second tension control bar 142 from the central portion of the third restraining pin 138 to the lower end of the guide film 30, the tension of the guide film 30 is maintained more taut (see FIG. 5).

In this way, the second tension control bars 142 and the third alignment holes 36 maintain the tension of the guide film 30 more taut than the tension of the guide film 30 before the folding part F. Concave folding The protective film 10 can also be accurately attached to the portion F without generating air bubbles.

And when the attachment of the protective film 10 to the display screen P of the foldable phone M is completed as described above, the guide film 30 is removed from the protective film 10 .

The protective film attaching jig 100 for a foldable phone according to the present invention formed in this way is a protective film 10 on the display screen P of the foldable phone M having a concave folding part F formed in the folding part regardless of skill level. ) can be attached conveniently and accurately without creating air bubbles.

Claims (8)

a jig body provided in a flat plate shape extending horizontally and having a seating hole formed on the upper surface of the foldable phone to be inserted and seated so that the display screen is exposed; and
By restraining the lower and upper sides of the guide film attached to the surface side of the protective film, the adhesive layer on the back side of the protective film from which the release film has been removed to face the display screen of the foldable phone seated in the seating hole. Including; a film alignment unit for aligning
The film alignment unit,
A first agent that is formed to protrude integrally on the upper surface of the jig body adjacent to the lower end of the foldable phone inserted and seated in the seating hole and constrains and supports the lower end of the guide film extending outward from the lower end of the protective film 1 gripper; and
The upper side of the guide film installed on the upper surface of the jig body adjacent to the upper side of the foldable phone inserted and seated in the seating hole and extending outward from the upper end of the protective film is higher than the lower side of the guide film A second gripper for restraint and support; including,
the second gripper,
and a pair of third restraining pins formed to face each other along the width direction of the seating holes and into which a pair of third alignment holes formed on the upper side of the guide film are fitted;
A first tension control bar and a second tension control bar for applying tension to the guide film are formed to protrude on the outer peripheral surfaces of the third restraining pins facing the first gripper,
The first tension control bar is formed to extend vertically from the upper end side of the third restriction pins to the center of the third restriction pins, and the second tension control bar has a larger cross-sectional area than the cross-sectional area of the first tension control bar. A jig for attaching a protective film for a foldable phone which is formed to extend vertically from the extension end of the first tension control bar to the lower end of the third restraint pins while having a.
The method according to claim 1,
A jig for attaching a protective film for a foldable phone in which a through hole and an accommodating groove for accommodating the camera lens and side button of the foldable phone are formed on the bottom and side of the seating hole.
delete The method according to claim 1,
The first gripper,
a first restraining pin; and
a second restraining pin; including,
The first restraint pin and the second restraint pin are formed to face each other along the width direction of the seating hole,
The first restraint pin and the second restraint pin have different cross-sections, and the lower end of the guide film has a shape corresponding to the cross-sectional shapes of the first restraint pin and the second restraint pin, and the first restraint pin A jig for attaching a protective film for a foldable phone having a pin and a first alignment hole and a second alignment hole fitted to the second constraining pin.
5. The method according to claim 4,
The first gripper,
Further comprising; a fixing tub for preventing the lower end of the guide film fitted to the first and second restraining pins from being separated;
The fixing jaw extends horizontally along the width direction of the jig body, and the fixing jaw has a cross-sectional shape of the first restriction pin and the second restriction pin so as to be fitted to the first restriction pin and the second restriction pin. A jig for attaching a protective film for a foldable phone in which first and second fixing holes having corresponding shapes are formed.
The method according to claim 1,
the second gripper,
It is provided in a vertical plate shape extending along the width direction of the jig body, the lower side is detachably installed in a holder formed on the upper surface of the jig body, and the third restraining pins are formed on the upper surface. In block; further comprising,
The third restraining pins are formed to have a circular cross-sectional shape, and the third alignment holes fitted to the third restraining pins are formed in a shape corresponding to the cross-sectional shape of the third restraining pins. Jig.
delete The method according to claim 1,
The protective film aligned with the film aligning unit is for a foldable phone attached to the display screen of the foldable phone by a squeegee that moves while pressing the protective film together with the guide film on the display screen of the foldable phone Jig for attaching protective film.

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