KR20170047776A - Case for mobile device - Google Patents

Case for mobile device Download PDF

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Publication number
KR20170047776A
KR20170047776A KR1020150148260A KR20150148260A KR20170047776A KR 20170047776 A KR20170047776 A KR 20170047776A KR 1020150148260 A KR1020150148260 A KR 1020150148260A KR 20150148260 A KR20150148260 A KR 20150148260A KR 20170047776 A KR20170047776 A KR 20170047776A
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KR
South Korea
Prior art keywords
case
layer
resin film
film layer
portable terminal
Prior art date
Application number
KR1020150148260A
Other languages
Korean (ko)
Other versions
KR101765674B1 (en
Inventor
윤남운
윤민석
이남희
Original Assignee
윤남운
윤민석
이남희
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.)
Filing date
Publication date
Application filed by 윤남운, 윤민석, 이남희 filed Critical 윤남운
Priority to KR1020150148260A priority Critical patent/KR101765674B1/en
Priority to PCT/KR2016/011970 priority patent/WO2017069594A1/en
Publication of KR20170047776A publication Critical patent/KR20170047776A/en
Application granted granted Critical
Publication of KR101765674B1 publication Critical patent/KR101765674B1/en

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Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C11/00—Receptacles for purposes not provided for in groups A45C1/00-A45C9/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C11/00—Receptacles for purposes not provided for in groups A45C1/00-A45C9/00
    • A45C2011/002—Receptacles for purposes not provided for in groups A45C1/00-A45C9/00 for portable handheld communication devices, e.g. mobile phone, pager, beeper, PDA, smart phone
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a case for a portable terminal, and more particularly, to a case for forming a cover layer on an outer surface of a back case detachably coupled to a back surface of a portable terminal, and; And a printed layer formed under the resin film layer facing the back case.
As a result, since the printed layer is formed on the back surface of the resin film layer, the printed contents can be prevented from being erased or peeled off according to the use of the case. In addition, since the printed layer is formed on the back surface of the resin film layer, there is no occurrence of heterogeneity depending on the difference in material between the other fabric and the printing layer.

Figure pat00001

Description

CASE FOR MOBILE DEVICE}

The present invention relates to a case for a portable terminal, and in particular, since a printed layer is formed on the back surface of a resin film layer, it is possible to prevent printed contents from being erased or peeled off according to use of the case, So that a design aesthetic feeling can be further improved.

Recently, with the development of mobile communication technology and mobile terminals, the use of portable terminals such as smart phones and tablet PCs has become common, and accordingly, the use of portable terminal cases has been increasingly used for storing and protecting expensive portable terminals .

Conventional portable terminal cases are manufactured using leather or suede fabric, and various colored patterns or logos of a company or a manufacturer are printed on the outside of such a case.

However, since the printed-circuit board is directly exposed to the outside, the printed-circuit board is frequently erased and the appearance of the printed circuit board is severely deteriorated. There is a problem that the case must be changed by abrasion.

Further, since the material of the leather or the suede fabric and the printing layer are different from each other, a sense of heterogeneity is raised between the outer skin and the printing layer, and thus the appearance is deteriorated as a whole.

In addition, since leather or suede has its own color, there is a problem that it is difficult to express a desired color when used in a portable terminal case, and when the printing layer is formed, the color of the printing layer is not properly realized .

KR 20-0472146

Accordingly, an object of the present invention is to provide a case for a portable terminal which can prevent printed contents from being erased or peeled off due to the use of the case, because the printed layer is formed on the back surface of the resin film layer.

Another object of the present invention is to provide a case for a portable terminal which can improve a design aesthetic feeling because a printed layer is formed on the back surface of a resin film layer, .

Another object of the present invention is to provide a case for a portable terminal which can prevent the air introduced between the cover layer and the backside case from being absorbed and dispersed to form air bubbles by forming an air-absorbing layer on the cover layer.

It is another object of the present invention to provide a case for a portable terminal which has an advantage that user convenience can be improved because the connecting portion and the front case can be detached from the back case.

According to an embodiment of the present invention, a cover layer is formed on an outer surface of a back case detachably coupled to a back surface of a portable terminal, the cover layer comprising: a resin film layer having optical transparency; And a printed layer formed under the resin film layer facing the back case.

And an air absorbing layer formed below the print layer and absorbing air bubbles generated when the resin film layer is adhered.

And an adhesive layer formed under the air-absorbing layer.

The back case may have a shape corresponding to a back surface and a side surface of the portable terminal, and the resin film layer may be provided in a shape corresponding to a back surface of the back case.

The printing layer may be provided on all or only a part of the outer surface of the back case.

According to another aspect of the present invention, there is provided a portable terminal including a back case detachably coupled to a back surface of a portable terminal, a front case for opening and closing a front part of the portable terminal, The front case and the connection unit may include an inner casing contacting the front surface of the portable terminal, and a connection unit connecting the front casing and the front casing. And a cover layer formed on an upper portion of the inner film, wherein the cover layer comprises a flexible resin film layer having light transmittance, a print layer formed under the flexible resin film layer facing the inner film, And an adhesive layer formed on the lower surface of the case.

The cover layer may further include an air absorbing layer formed between the print layer and the adhesive layer and absorbing air bubbles generated when the flexible resin film layer is bonded.

In each of the above embodiments, the cover layer may extend to the rear case.

The printing layer may be provided on all or only a part of the outer surface of the back case.

The flexible resin film layer may be formed of a polyurethane material.

Alternatively, in each of the embodiments, the resin film layer or the flexible resin film layer may be provided with a thickness of 0.075 to 0.3 mm.

Alternatively, in each of the embodiments, the air-absorbing layer may be made of a porous material, and may be aggregated between the resin film layer or the soft resin film layer and the outer surface of the back surface case when the resin film layer or the flexible resin film layer is bonded Air bubbles can be absorbed and dispersed.

The connection unit may be detachably formed to be detachable from the back case, and may further include a fixing unit detachably coupling the connection unit and the back case.

Here, the fixing portion may be provided with a protrusion provided on one of the connecting portion and the rear case, and a protrusion receiving portion provided on the other of the connecting portion and the back case.

Therefore, according to the case for a portable terminal according to the present invention, since the printed layer is formed on the back surface of the resin film layer, the printed contents can be prevented from being erased or peeled off according to the use of the case.

In addition, since the printed layer is formed on the back side of the resin film layer, the case for the portable terminal according to the present invention can improve the design aesthetic feeling because no heterogeneity is produced according to the difference in material between the other fabric and the printing layer.

In addition, the case for a portable terminal according to the present invention can prevent the air introduced between the cover layer and the back case by absorbing and dispersing air bubbles by forming an air absorbing layer on the cover layer.

Also, the case for a mobile terminal according to the present invention has an advantage that convenience of the user is improved because the connection part and the front case can be detached from the back case.

1 is an exploded perspective view of a case for a portable terminal according to an embodiment of the present invention,
2 is a rear view of a case for a portable terminal according to another embodiment of the present invention;
3 is a cross-sectional view taken along the line A, B and C in Fig. 3,
FIG. 4 is a process chart of a case for a portable terminal according to an embodiment of the present invention,
FIG. 5 is a process diagram of a case for a portable terminal according to another embodiment of the present invention,
6 is an exploded view of a case for a portable terminal according to another embodiment of the present invention,
7 is an exploded view of a case for a portable terminal according to another embodiment of the present invention.

Hereinafter, each embodiment of the present invention will be described in detail.

Prior to the description, the portable terminal to which the present invention is applied includes all kinds of portable terminals such as a general smart phone, a mobile phone, and a tablet PC.

In this specification, a case for a portable terminal refers to a conventional case detachably coupled to the outside of the portable terminal for the purpose of protecting the portable terminal. In this specification, as shown in FIG. 1, And a conventional flip cover case to which a front case is connected to a side surface of the back case as shown in FIG. 2. However, the present invention is not limited to this, and a wall-type (or pouch- ) Case, and furthermore, the material of the case for a portable terminal can be applied regardless of the material.

Referring to FIG. 1, a case 1 for a portable terminal according to an embodiment of the present invention includes a cover layer 30 formed on an outer surface of a back case 11 detachably coupled to a back surface of a portable terminal, The cover layer 30 includes a resin film layer 31 having light transmittance and a print layer 35 formed under the resin film layer 31 facing the back surface case 11.

Hereinafter, each configuration will be described.

The cover layer (30) is formed on the outer surface of the back case (11).

The outer surface of the back case 11 includes the back surface 111 or the side surface 115 of the back case 11 as shown in FIG. May be formed on both the side surface 111 and the side surface 115, but may be formed on either the back surface 111 or the side surface 115. But may be formed only on the back surface 111 of the back case 11.

The cover layer 30 includes a light-transmissive resin film layer 31 and a print layer 35 and may further include an air-absorbing layer 37 and an adhesive layer 39.

The resin film layer 31 is made of a light-transmitting resin material.

The resin film layer 31 in this embodiment is not related to the resin itself, unlike the other embodiments shown in Fig.

The resin film layer 31 may be made of various known materials such as, for example, polyurethane, silicone, elastomer or polyethylene, ethylene propylene or the like, which has optical transparency.

Here, the degree of light transmittance is not particularly limited as long as the color, pattern or character of the printed layer 35 formed under the resin film layer 31 is transmitted and visible from the outside.

The resin film layer 31 may be provided in various thicknesses, preferably 0.075-0.3 mm, and preferably 0.2 mm in thickness.

For example, when the back case 11 is provided in a shape corresponding to the back surface and the side surface of the portable terminal, the resin film layer 31 may be provided on the rear surface And may be provided in a shape corresponding to the back surface of the case 11.

The printing layer 35 is formed on the lower side of the resin film layer 31 facing the back case 11. [

The printing layer 35 may be provided in various types, for example, without limitation, such as various colors or characters or patterns, and the method of forming the printing layer 35 may also be applied to the resin film layer 31 Or a method in which the printed film is adhered to the back surface of the resin film layer 31, or the like.

On the other hand, the print layer 35 may be provided on the entire outer surface of the rear case 11, but may be provided only on a partial area as shown in FIG.

Accordingly, the case for a portable terminal according to the present invention can prevent the printed contents from being erased or peeled off according to the use of the case because the printed layer is formed on the back side of the resin film layer.

In addition, since the printed layer is formed on the back side of the resin film layer, the case for the portable terminal according to the present invention can improve the design aesthetic feeling because no heterogeneity is produced according to the difference in material between the other fabric and the printing layer.

The air absorbing layer 37 is formed under the print layer 35 to absorb air bubbles generated when the resin film layer 31 is bonded.

That is, when the cover layer 30 is adhered to the back case 11, the cover film 30 and the back layer 30 can be prevented from being adhered to the back case 11 because the resin film layer 31 and the print layer 35 are made of a thin film or air- The air introduced between the outer side surfaces of the case 11 may form an air bubble to deteriorate the appearance, and in severe cases, the adhesive force itself may be deteriorated.

Accordingly, the case for a portable terminal according to the present invention can prevent air bubbles from being formed by absorbing and dispersing air introduced between the cover layer and the backside case by forming an air-absorbing layer on the cover layer 30. [

The air absorbing layer 37 may be provided in various types such as a porous material and is provided between the resin film layer 31 and the outer surface of the back surface case 11 when the resin film layer 31 is adhered It is possible to absorb and disperse the coagulated air bubbles.

The air-absorbing layer 37 may be made of various materials, for example, spandex.

The adhesive layer 39 is formed under the air absorbing layer 37 so that the cover layer 30 is thermally adhered to the outer surface of the back surface case 11. [

The adhesive layer 39 may be provided in various types, for example, a hot melt.

Here, various methods can be used for forming the cover layer 30 in the back surface case 11. [ For example, as described above, a method may be used in which a hot-melt adhesive layer 39 is formed on the lower portion of the cover layer 30 and then the back-side case 11 is heated and bonded.

The resin film layer 31, the print layer 35, and the air absorption layer 37), the binder process, and the punching process in advance And then the rear case 11 is injected while the cover layer 30 is placed on the injection mold.

Here, the air-absorbing layer 37 may be selectively used, and the adhesive layer 39 may be a binder process (bond printing), which is a separate process.

Hereinafter, a manufacturing process of the case 1 for a portable terminal according to an embodiment of the present invention will be described with reference to FIG.

First, after preparing the resin film layer 31 (S11 in Fig. 4, which is described as a flexible resin film, in this embodiment, it is irrelevant whether or not ductility is as described above) (S11) The resin film is cut in accordance with the shape of the surface of the back surface case 11 on which the resin film layer 31 is to be formed (S12). That is, as shown in FIG. 1, the outer shape corresponding to the back surface 111 of the back case 11 is cut including the shape of various through holes such as the inner camera hole.

Then, a printing layer 35 is formed inside the resin film layer 31 (S13). The printing layer 35 can be formed not only in the entirety of the resin film layer 31 but also in only a part of the resin film layer 31, and various methods such as a screen printing method and a digital printing method can be used.

Next, using a separately prepared air absorbing layer 37 (S21), the resin film is cut (S22) in accordance with the shape of the resin film layer 31 by the same method as that of cutting the resin film as described above, And adheres to the bottom of the layer 14 (S14). Methods of forming the air-absorbing layer 37 Also various methods can be used, for example, a heat-sealing method in which heat is applied and adhered can be used.

Then, the prepared adhesive agent S31 is cut through a separate process (S32), and then adhered to the lower portion of the cover layer 30, that is, the lower portion of the air-absorbing layer 37. [

Finally, the cover layer 30 is thermally fused to the outer surface of the back case 11 to form the cover layer 30. [

2 and 3, a case 1 for a portable terminal according to another embodiment of the present invention will be described in detail.

Prior to explanation, the description overlapping with the previous embodiment will be omitted, and the differences in the present embodiment will be mainly described. Therefore, unless otherwise specifically mentioned in the present embodiment, the description in the previous embodiments is applied to the present embodiment as it is.

As shown in FIG. 2, the case 1 for a portable terminal according to the present embodiment includes a back case 11 detachably coupled to a back surface of the portable terminal, a front case 15 And a connection part 13 connecting one side of the rear case 11 and the front case 15 and pivotally connecting the front case 15.

The front case 15 and the connection part 13 include an inner skin 50 contacting the front surface of the portable terminal and a cover layer 30 formed on the inner skin 50.

The cover layer 30 includes a flexible resin film layer 33 having light transmittance, a print layer 35 formed under the soft resin film layer 33 facing the inner film 50, And an adhesive layer 39 formed on the lower side.

In the present embodiment, it is highly desirable that the resin film layer 31 is made of a soft material because the resin film layer 31 is provided extending at least to the connection portion 13 as well as the front case 15, If the rigid resin is used in the connecting portion 13 where the warping occurs, it may cause breakage depending on use, and in a severe case, warping itself may not be possible.

However, when the front case 15 and the connecting portion 13 are separately manufactured and adhered to the inner skin, it is needless to say that only the connecting portion 13 may be made of a soft resin material. (Hereinafter, an example in which the integral cover layer 30 is formed on the front case 15 and the connection portion 13 will be described.

The flexible resin film layer 33 may be made of various materials without limitation as long as it has light transmittance and ductility, for example, a polyurethane material can be used.

The cover layer 30 may be formed only over the front case 15 and the connecting portion 13 or may extend to the back case 11.

The description of the flexible resin film layer 33, the print layer 35, and the air-absorbing layer 37 is omitted in the description of the embodiment described above.

3, the cross-sectional structure of the front case 15, the connecting portion 13, and the back case 11 will be described below.

Referring to FIG. 3A, the front case 15 includes a flexible resin film layer 33, a print layer 35, and an air absorbing layer 37 formed on the top of the cover layer 30, A plate (meaning a light transmitting and hard resin plate for the case where a transparent window for viewing a part of the screen of the portable terminal is provided in a state that the front case is covered with the inner plate 50 of the front case 15) The cover layer 30 is thermally adhered to the top of the plate 40 by the adhesive layer 39.

On the other hand, an inner skin 50 made of a material such as suede is provided on the lower portion of the plate 40. The inner skin 50 is made of various materials, and usually a suede material is used.

3, the print layer 35 and the air absorbing layer 37 are formed below the uppermost flexible resin film layer 33 and the adhesive layer (not shown) The cover layer 30 is thermally adhered to the inner skin 50. [

3, the cover layer 30 formed of the flexible resin film layer 33, the print layer 35, and the air-absorbing layer 37 is adhered to the adhesive layer 39, And is thermally adhered to the outer surface of the back surface case 11 by means of an adhesive.

6, the connecting portion 13 may be detachably attached to the back case 11. In this case, the connecting portion and the back case 11 may be detachably coupled to each other, .

This may be because the use of the front case 15 may be inconvenient depending on the user. In such a case, the user can remove the connecting portion 13 and the front case 15 from the back case 11, Is increased.

For example, the fixing portion 60 may be provided with a protrusion 61 provided on one of the connecting portion 13 and the back case 11 and the connecting portion 13 or the back case 11, And the protrusion receiving portion 65 may be provided in the other of the first and second protrusions.

Here, it goes without saying that the number and shape of the projections 61 and the projection receiving portions 65 may be variously provided as needed.

7, the step on the inside of the back case 11 is aligned with the projection 61 received in the projection receiving portion 65, and the projection 61 is separated from the projection receiving portion 65 But it is also possible to provide a fixing portion cover 67 which can be firmly supported without being fixed.

Hereinafter, with reference to FIG. 5, a method of manufacturing the case 1 for a portable terminal according to another embodiment of the present invention will be described with reference to differences from the above-described embodiments.

First, after the cover layer 30 is formed (S14), the adhesive layer S15 is used to thermally adhere to the plate S41 prepared in a separate step. After that, the inner layer 50 After the heat is applied to the lower surface of the plate 40 (S17), the heat sinks S51 and S52 are thermally fused to each other (S18). Finally, the finishing process is performed along the outline (S19).

,

1: Case for mobile terminal
11: Rear case
111: back side 115: side
13: connection part 15: front case
30: Cover layer
31: resin film layer 33: soft resin film layer
35: printing layer 37: air absorbing layer
39: Adhesive layer
40: plate
50: endothelium
60: Fixing portion 67: Fixing portion cover
610: projection 65: projection receiving portion

Claims (14)

A cover layer is formed on an outer surface of a back case detachably coupled to a back surface of a portable terminal,
The cover layer
A resin film layer having light transmittance;
And a printed layer formed on a lower portion of the resin film layer facing the back case. The method according to claim 1,
And an air absorbing layer formed at a lower portion of the print layer and absorbing air bubbles generated when the resin film layer is adhered. [2]
And an adhesive layer formed under the air-absorbing layer. The method according to claim 1,
Wherein the back case is provided in a shape corresponding to a back surface and a side surface of the portable terminal, and the resin film layer is provided in a shape corresponding to a back surface of the back case. 5. The method of claim 4,
Wherein the printed layer is provided on all or only a part of the outer surface of the back case. A back case detachably coupled to a back surface of the portable terminal; a front case that opens and closes a front portion of the portable terminal; and a connection unit that connects one side of the back case and the front case, In the portable terminal case,
The front case and the connection unit may include an inner casing contacting the front surface of the portable terminal; And a cover layer formed on the upper portion of the endothelium,
Wherein the cover layer comprises a flexible resin film layer having light transmittance, a print layer formed under the soft resin film layer facing the inner film, and an adhesive layer formed under the print layer. The method according to claim 6,
Wherein the cover layer further comprises an air absorbing layer formed between the print layer and the adhesive layer and absorbing air bubbles generated when the flexible resin film layer is bonded. 8. The method according to claim 6 or 7,
And the cover layer extends to the backside case. The method according to claim 6,
Wherein the printed layer is provided on all or only a part of the outer surface of the back case. The method according to claim 6,
Wherein the flexible resin film layer is formed of a polyurethane material. 7. The method according to claim 1 or 6,
Wherein the resin film layer or the flexible resin film layer has a thickness of 0.075 to 0.3 mm. 7. The method according to claim 1 or 6,
The air-absorbing layer is made of a porous material and absorbs and disperses air bubbles that are agglomerated between the resin film layer or the outer surface of the back surface case and the resin film layer when the resin film layer or the resin film layer is bonded And a case for the portable terminal. The method according to claim 6,
The case of claim 1, further comprising a fixing unit detachably attached to the rear case and detachably connecting the connection unit and the rear case. 14. The method of claim 13,
Wherein the fixing portion is provided with a projection provided on one of the connection portion and the backside case and a projection receiving portion provided on the other of the connection portion and the backside case.



KR1020150148260A 2015-10-23 2015-10-23 Case for mobile device KR101765674B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020150148260A KR101765674B1 (en) 2015-10-23 2015-10-23 Case for mobile device
PCT/KR2016/011970 WO2017069594A1 (en) 2015-10-23 2016-10-24 Case for portable terminal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150148260A KR101765674B1 (en) 2015-10-23 2015-10-23 Case for mobile device

Publications (2)

Publication Number Publication Date
KR20170047776A true KR20170047776A (en) 2017-05-08
KR101765674B1 KR101765674B1 (en) 2017-08-07

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ID=58557531

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020150148260A KR101765674B1 (en) 2015-10-23 2015-10-23 Case for mobile device

Country Status (2)

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KR (1) KR101765674B1 (en)
WO (1) WO2017069594A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210099306A (en) 2020-02-04 2021-08-12 프리닉스(주) Printing paper and manufacturing method thereof and printing system and method for using the printing paper
KR102335125B1 (en) * 2021-07-20 2021-12-03 주식회사 엘피아이팀 Easy-to-print air cushion gel hard case and manufacturing method thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3168104U (en) * 2011-03-11 2011-06-02 勉 金谷 Case for portable electronic devices
KR101301722B1 (en) * 2011-12-13 2013-08-30 주식회사 다이아벨 Standing Apparatus for mobile device
KR20140066079A (en) * 2012-11-16 2014-05-30 한광열 Smartphon case
KR20140141743A (en) * 2013-05-30 2014-12-11 엘지전자 주식회사 Case for mobile terminal
KR20150069822A (en) * 2013-12-16 2015-06-24 주식회사 가온랩 Case for Portable Terminal, Manufacturing Method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210099306A (en) 2020-02-04 2021-08-12 프리닉스(주) Printing paper and manufacturing method thereof and printing system and method for using the printing paper
KR102335125B1 (en) * 2021-07-20 2021-12-03 주식회사 엘피아이팀 Easy-to-print air cushion gel hard case and manufacturing method thereof

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Publication number Publication date
WO2017069594A1 (en) 2017-04-27
KR101765674B1 (en) 2017-08-07

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