KR20150039292A - Plate for protecting a displaying screen of mobile device - Google Patents

Plate for protecting a displaying screen of mobile device Download PDF

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Publication number
KR20150039292A
KR20150039292A KR20130117651A KR20130117651A KR20150039292A KR 20150039292 A KR20150039292 A KR 20150039292A KR 20130117651 A KR20130117651 A KR 20130117651A KR 20130117651 A KR20130117651 A KR 20130117651A KR 20150039292 A KR20150039292 A KR 20150039292A
Authority
KR
South Korea
Prior art keywords
screen
mobile device
substrate
film
adhesive
Prior art date
Application number
KR20130117651A
Other languages
Korean (ko)
Inventor
김양규
노동수
박찬현
김기수
Original Assignee
(주)미코씨엔씨
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 (주)미코씨엔씨 filed Critical (주)미코씨엔씨
Priority to KR20130117651A priority Critical patent/KR20150039292A/en
Priority to PCT/KR2014/008807 priority patent/WO2015050333A1/en
Publication of KR20150039292A publication Critical patent/KR20150039292A/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/3827—Portable transceivers
    • H04B1/3888—Arrangements for carrying or protecting transceivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

A protective plate covering a front surface of a mobile device, which is divided into a screen area formed to display a screen at the center and a non-screen area surrounding the screen, includes a substrate part, a bonding part, and a transparent film part. The substrate portion covers the entire surface. The adhering portion is formed on the back surface included in the non-screen area of the substrate to attach the substrate to the entire surface. The transparent film portion is attached to the inner side of the bonding portion corresponding to the screen region of the substrate portion while having a concave portion formed to be in contact with the screen of the mobile device.

Description

{PLATE FOR PROTECTING A DISPLAYING SCREEN OF MOBILE DEVICE}

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a screen protection plate for a mobile device, and more particularly, to a protection plate for protecting a screen of a mobile device from breakage or scratch by an external impact.

In general, a mobile device refers to a portable information processing device such as a smart phone, a smart pad, a PMP, or a tablet PC. Unlike the conventional simple document creation and schedule management, recently, With the development of wireless communication technology, there is a tendency that utilization is increasingly used for various purposes such as Internet search, game or real time video and music appreciation without any place. In particular, recently, a mobile device operates by directly touching a screen formed on a front surface, so that a user can easily input infinite information according to various forms of the screen.

Such a mobile device is frequently used by attaching a protective plate having a predetermined thickness to the screen, because the mobile device may be damaged due to frequent drops or bumps due to its portability, or scratches may occur on the screen.

In connection with such a protective plate, Korean Patent Laid-Open Publication No. 2009-0013593 discloses a transparent protective plate covering the surface of a liquid crystal screen as a general prior art. Such a protective plate includes a transparent glass plate, a non-screen area And an adhesive portion formed on the opaque portion and formed to adhere to a non-screen area of the mobile device.

However, when the screen of the mobile device is touched by the glass plate, it is necessary that the opaque portion and the adhesive portion of the protective plate form a predetermined spacing space in the screen area of the center portion of the mobile device, A visible moiré phenomenon may occur.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a protection plate that protects a screen of a mobile device while preventing a moiré phenomenon that spreads from the touch point to the surroundings.

According to an aspect of the present invention, there is provided a protective plate covering a front surface of a mobile device divided into a screen area and a non-screen area, .

The substrate portion entirely covers the front surface. The adhesive portion is formed on the back surface included in the non-screen area of the substrate portion to attach the substrate portion to the front surface. The transparent film portion is attached to the inner surface of the adhesive portion corresponding to the screen area of the substrate portion with a concave-convex portion formed to be in contact with the screen.

The transparent film portion according to one embodiment may be attached via silicon or acryl.

The substrate portion according to an embodiment may include a transparent glass substrate and a light-scattering film attached to the back surface of the glass substrate to prevent scattering of the glass substrate and having the adhesive portion formed on the back surface thereof.

The substrate portion according to an exemplary embodiment may further include a functional layer formed on one surface of the glass substrate opposite to the scattering-preventing film.

The substrate portion according to an embodiment may further include an opaque portion formed between the glass substrate and the scattering prevention film so as to be included in the non-screen region. At this time, the non-transparent portion may be formed in a larger area than the adhesive portion.

The substrate portion according to another embodiment may include a non-transparent portion formed to be included in the non-screen region of the rear surface of the scattering prevention film, and a resin film having the opaque portion entirely attached to the rear surface of the anti- . At this time, the resin film may be attached through a UV epoxy resin or an optical chemical adhesive (OCA).

According to the screen protection plate for a mobile device, the protective plate covers the entire surface of the screen divided into a central screen area in which the screen of the mobile device is displayed and a non-screen area in its periphery, And a transparent film portion attached to the inner surface of the adhesive portion corresponding to the screen area of the substrate while having a concavo-convex portion formed to be in contact with the screen, When the user touches the screen through the protection plate, the moire phenomenon in which the touch point spreads around by the uneven portion can be prevented.

Accordingly, the screen of the mobile device can be more safely protected by the protection plate, and the user can utilize the mobile device more safely and conveniently by preventing a reduction in touch or a defect due to the moire phenomenon of the touch screen.

1 is a perspective view of a mobile device according to an embodiment of the present invention and a protection plate covering the front surface thereof.
2 is a cross-sectional view taken along the line I-I in Fig.
3 is an enlarged view of a portion A of FIG.
4 is an enlarged view of a portion B;
FIG. 5 is a partially enlarged cross-sectional view of a protective plate having opaque portions according to another embodiment of the mobile device shown in FIG. 1, taken along the line I-I in FIG. 1;
FIG. 6 is a cross-sectional view of the shielding plate according to another embodiment of the present invention shown in FIG. 1 cut in the same direction as the I-I line of FIG. 1;
7 is an enlarged view of a portion C in Fig.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a screen protecting plate for a mobile device according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings. The present invention is capable of various modifications and various forms, and specific embodiments are illustrated in the drawings and described in detail in the text. It should be understood, however, that the invention is not intended to be limited to the particular forms disclosed, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention. Like reference numerals are used for like elements in describing each drawing. In the accompanying drawings, the dimensions of the structures are enlarged to illustrate the present invention in order to clarify the present invention.

The terms first, second, etc. may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the first component may be referred to as a second component, and similarly, the second component may also be referred to as a first component.

The terminology used in this application is used only to describe a specific embodiment and is not intended to limit the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In this application, the terms "comprises", "having", and the like are used to specify that a feature, a number, a step, an operation, an element, a part or a combination thereof is described in the specification, But do not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof.

On the other hand, unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the contextual meaning of the related art and are to be interpreted as either ideal or overly formal in the sense of the present application Do not.

FIG. 1 is a perspective view of a mobile device according to an embodiment of the present invention and a protection plate covering the front side thereof. FIG. 2 is a cross-sectional view of the mobile device and the protection plate shown in FIG. 3 is an enlarged view of a portion A, and FIG. 4 is an enlarged view of a portion B of FIG.

1 to 4, a shield plate 100 according to an embodiment of the present invention covers a front surface of a screen 20 of a mobile device 10.

Specifically, the shield plate 100 covers a front surface of the mobile device 10, which is divided into a screen area DA formed to display a screen 20 and a non-screen area NDA of the mobile device 10, Of the screen 20 from external shocks or scratches. The protective plate 100 includes a substrate portion 200, a bonding portion 300, and a transparent film portion 400.

The substrate unit 200 covers the entire surface of the mobile device 10 including the screen area DA and the non-screen area NDA as a key structure for performing the protection function of the protection plate 100. The substrate unit 200 includes a transparent glass substrate 210 so that the user can see the image displayed on the screen 20 of the mobile device 10.

The substrate part 200 may further include a scattering-preventing film 220 attached to the back surface of the glass substrate 210. The shatterproof film 220 is made of polyethylene terephthalate (PET) so that the glass substrate 210 is not scattered by a plurality of glass fragments when the glass substrate 210 is broken due to an external impact. Thereby, it is possible to prevent the user or other persons around him from being injured by the above-mentioned glass fragments. The anti-scattering film 220 may be attached through an adhesive 222 including an optical chemical adhesive (OCA). Since the optical adhesive (OCA) is basically transparent and has a high dielectric constant, when the user touches the glass substrate 210 while the image of the screen 20 of the mobile device 10 is visible, The constant voltage can be transmitted to the screen 20 of the mobile device 10 to improve the touch sensitivity.

The substrate portion 200 may further include a functional layer 230 formed on one surface of the glass substrate 210 opposite to the scattering-preventing film 220. The functional layer 230 may include an antireflection layer for preventing the image of the screen 20 of the mobile device 10 from being reflected by external light such as sunlight or for preventing the generation of fingerprints An example of an anti-fingerprint layer is illustrated.

The adhesive portion 300 is formed on the back surface included in the non-screen area NDA of the mobile device 10 to adhere the substrate portion 200 to the front surface of the mobile device 10. The adhesive 300 may be formed on the rear surface of the anti-scattering film 220 substantially attached to the glass substrate 210 of the substrate 200. In addition, the bonding portion 300 may include silicon or acryl having an excellent adhesive force and having a predetermined elasticity. Here, when it is desired to adhere the substrate portion 200 to the mobile device 10 with stronger adhesive force, it is more preferable that the adhesive portion 300 includes acryl.

Thus, by bonding the substrate portion 200 to the screen 20 of the mobile device 10 in the non-screen area NDA of the mobile device 10, there is no need to limit the transparency of the adhesive portion 300 However, even if the edge of the front side of the smartphone is formed in a round shape in recent years, the substrate portion 200 can be stably bonded to the front surface of the mobile device 10 without bubbles through the predetermined elasticity.

The substrate unit 200 may further include an opaque portion 240 formed to be included in the non-screen area NDA of the mobile device 10 so as to cover the adhesive portion 300. The opaque portion 240 may be formed between the glass substrate 210 and the scattering prevention film 220 so as not to affect the planarization of both sides of the substrate portion 200. [ At this time, when the opaque portion 240 adheres the scattering prevention film 220 with the optical adhesive OCA, the optical adhesive OCA in the screen area DA of the mobile device 10 has a predetermined elasticity It is preferable to form a very thin layer of micrometric thickness so that it can be attached to the glass substrate 210 naturally.

Thus, since the opaque portion 240 covers the adhesive portion 300, it is possible to prevent the user from seeing the defective image due to the unevenness of the adhesive surface. Accordingly, it is preferable that the opaque portion 240 is formed such that its width BMW substantially has a wider area including the width AHW of the bonding portion 300. It is further preferable that the non-transparent portion 240 is formed in a one-to-one correspondence with the non-screen area NDA which is not related to the image of the screen 20 of the mobile device 10. [ In addition, by designing the opaque part 240 in various colors, the user can select the protective plate 100 according to his / her preferences.

5, which is a partially enlarged cross-sectional view taken along a line I-I in FIG. 1, of a protective plate having a non-transparent portion according to another embodiment of the present invention, The display unit 250 may be formed to be included in the non-screen area NDA of the mobile device 10 between the substrate unit 200 and the adhesive unit 300. 4, it is not necessary to form the opaque portion 250 very thinly in terms of micrometers as in the opaque portion 240 of FIG. 4, so that the design of the opaque portion 250 can be further diversified .

1 to 4, the transparent film part 400 is attached to the back surface of the substrate part 200 corresponding to the screen area DA of the mobile device 10. [ Specifically, the transparent film part 400 has a concave-convex part 410 formed to contact the screen 20 of the mobile device 10 on the back surface corresponding to the inside of the bonding part 300 of the substrate part 200, . At this time, the transparent film may be attached through a second adhesive 420 such as silicon or acryl, like the adhesive 300.

As described above, the protective plate 100 includes a substrate portion 200 (see FIG. 1) which covers the whole surface, which is divided into a central screen area DA in which the screen 20 of the mobile device 10 is displayed and a non-screen area NDA And a bonding part 300 formed on the back surface of the substrate part 200 and attached to the front surface of the mobile device 10, And the transparent film part 400 attached to the inner side of the adhesive part 300 corresponding to the adhesive part 300 with the concave and convex parts 410 formed to be in contact with the screen 20 of the mobile device 10, When the screen 20 of the mobile device 10 is touched through the touch panel 100, the moire phenomenon that the touch point is spread around by the uneven portion 410 can be prevented.

The protection plate 100 protects the screen 20 of the mobile device 10 more securely while preventing the touch feeling from being reduced or defective due to the moire phenomenon of the touch screen 20, Can be utilized more safely and conveniently.

At this time, the protrusions 410 may be adhered to the surface 20 of the mobile device 10 so that the adhesive portion 300 can stably adhere to the front surface of the mobile device 10 through a predetermined elastic force Or may be thinly attached with a predetermined difference therebetween. In addition, the uneven portion 410 may be uniformly formed at a predetermined interval in order to prevent a moire phenomenon caused by a user's touch in the screen area DA of the mobile device 10 as a whole. For this, the irregularities 410 may be formed through an etching process or a coating process, and the etching process may be used to simplify the process.

Fig. 6 is a cross-sectional view of the mobile device shown in Fig. 1 cut along the same direction as the I-I line of Fig. 1, and Fig. 7 is an enlarged view of a portion C of Fig.

In the present embodiment, the remaining configuration except for the substrate portion is the same as that shown in FIG. 1 to FIG. 4, and therefore, the same reference numerals are used for the same configurations, and redundant detailed description thereof will be omitted.

6 and 7, the substrate portion 600 of the protection plate 500 according to another embodiment of the present invention includes a glass substrate 610, a scattering prevention film 620, an opaque portion 630, and a resin film (not shown) 640).

The glass substrate 610 covers the entire surface of the mobile device 10 with a transparent material so that the user can see the image displayed on the screen 20 of the mobile device 10. The anti-scattering film 620 is attached to the back surface of the glass substrate 210 through the first adhesive 622. [ Here, the first adhesive 622 may include an optical adhesive (OCA) or a UV epoxy resin. At this time, the substrate unit 600 may further include a functional layer 650 formed on one surface of the glass substrate 610 opposite to the scatter prevention film 620. Hereinafter, the glass substrate 610, the scattering-prevention film 620, and the functional layer 650 are substantially the same as those of FIGS. 1 to 4, and a detailed description thereof will be omitted.

The opaque portion 630 is formed to be included in the non-screen area NDA of the back surface of the anti-scattering film 620 similarly to the embodiment of Fig. Also, the non-transparent portion 630 is preferably formed such that its width BMW substantially has a wider area including the width AHW of the bonding portion 300. In addition, the non-transparent portion 630 is preferably formed in a one-to-one correspondence with the non-screen area NDA as described with reference to FIGS.

The resin film 640 is attached through the second adhesive 642 as a whole including the opaque portion 630 on the rear surface of the anti-scattering film 620. The second adhesive 642 may include a UV epoxy resin having optical properties and having a predetermined fluidity so as to be adhered to the inside of the opaque portion 630 along the step of the opaque portion 630. That is, by adhering the resin film 640 using the second adhesive 642 including the UV epoxy resin, the influence of the step difference by the opaque portion 630 can be prevented. Alternatively, the second adhesive 642 may include an optical adhesive (OCA) having excellent optical properties. In this case, the opaque portion 630 may be formed to be very thin in units of micrometers, The resin film 640 naturally adheres to the rear surface of the anti-scattering film 620 naturally through the second adhesive 642 as a whole. The resin film 640 may be made of polyethylene terephthalate (PET) material similar to the anti-scattering film 620.

As described above, the protection plate 500 according to the present embodiment can improve the overall strength of the protection plate 500 by attaching a separate resin film 640 to the back surface of the anti-scattering film 620 through the second adhesive 642. [ So that the screen 20 of the mobile device 10 can be protected more securely.

While the present invention has been described in connection with what is presently considered to be practical and exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

As described above, the shielding plate is formed on the back surface included in the non-screen area of the base plate, and the base plate covers the whole surface, which is divided into the central screen area in which the screen of the mobile device is displayed and the non- By attaching a transparent film portion having a recessed portion formed to be in contact with the screen of the mobile device on the inner backside of the adhesive portion corresponding to the screen region of the substrate portion in a state of being composed of the adhesive portion attached to the front surface of the mobile device, It can be utilized for safely protecting the screen of the mobile device while preventing the uneven portion.

10: Mobile device 20: Screen
100, 500: protection plate 200, 600: substrate part
210, 610: glass substrate 220, 620: anti-scattering film
230, 650: functional layer 240, 250, 630: opaque portion
300: Adhesive part 400: Transparent film part
410: uneven portion

Claims (8)

1. A protective plate for covering a front surface of a mobile device, the screen being divided into a screen area formed to display a screen in the center and a non-screen area outside the screen area,
A substrate portion that covers the entire front surface;
A bonding portion formed on a back surface of the substrate portion and included in the non-screen region, the bonding portion attaching the substrate portion to the front surface; And
And a transparent film portion attached to the inner surface of the adhesive portion corresponding to the screen region of the substrate portion while having a recessed portion formed to be in contact with the screen. The screen protecting plate for a mobile device according to claim 1, wherein the transparent film part is attached through silicon or acryl. The apparatus of claim 1, wherein the substrate portion
Transparent glass substrate; And
And a scatter prevention film attached to a back surface of the glass substrate to prevent scattering of the glass substrate and having the adhesive portion formed on a back surface thereof. The screen protecting plate for a mobile device according to claim 3, wherein the substrate part further comprises a functional layer formed on one surface of the glass substrate opposite to the scattering-preventing film. The screen protecting plate for a mobile device according to claim 3, wherein the substrate part further comprises an opaque part formed between the glass substrate and the scattering prevention film so as to be included in the non-screen area. 4. The apparatus of claim 3, wherein the substrate portion
An opaque portion formed to be included in the non-screen area of the back surface of the shatterproof film; And
Further comprising a resin film on the back surface of the shrinkage preventing film, the resin film being attached to the entire surface including the opaque portion and having the adhesive portion formed on a back surface thereof. The screen protecting plate for a mobile device according to any one of claims 5 and 6, wherein the opaque portion is formed in a larger area than the adhesive portion. The screen protecting plate for a mobile device according to claim 6, wherein the resin film is attached through a UV epoxy resin or an optical adhesive.
KR20130117651A 2013-10-02 2013-10-02 Plate for protecting a displaying screen of mobile device KR20150039292A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR20130117651A KR20150039292A (en) 2013-10-02 2013-10-02 Plate for protecting a displaying screen of mobile device
PCT/KR2014/008807 WO2015050333A1 (en) 2013-10-02 2014-09-23 Display protection plate for mobile device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR20130117651A KR20150039292A (en) 2013-10-02 2013-10-02 Plate for protecting a displaying screen of mobile device

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