KR100879568B1 - Case member for mobile communication terminal - Google Patents

Abstract

The present invention relates to a case for a mobile communication terminal, and more particularly, to form an external shape of a mobile communication terminal, to which a synthetic resin is injection molded, a surface film disposed on a surface side of the main body, and a rear side of the main body. A case member for a mobile communication terminal comprising a back film disposed on the at least one of the surface film and the body, between the body and the back film, and at least one of the back surface of the back film by electric energy. It relates to a case member for a mobile communication terminal is provided with an electrical member that operates electrically.

Main body, surface film, back film, case member, electric member, printing layer

Description

Case member for mobile communication terminal {Case member for mobile communication terminal}

1 is a view showing an example of a mobile communication terminal according to the prior art.

2 is a cross-sectional view of the case member for a mobile communication terminal of FIG.

3 is a cross-sectional view of a case member for a mobile communication terminal according to the first embodiment of the present invention.

Figure 4 is a partial cutaway perspective view of the case member for a mobile communication terminal of the embodiment shown in FIG.

5 is a cross-sectional view of a case member for a mobile communication terminal according to a second embodiment of the present invention.

6 is a cross-sectional view of a case member for a mobile communication terminal showing a modification of the first embodiment of the present invention.

 <Description of the symbols for the main parts of the drawings>

10 ... case member 20 ... body

30 ... surface film 40 ... back film

50.Electric member 51 ... Light emitting element

52 Antenna 60 Print Layer

The present invention relates to a case member for a mobile communication terminal, and more particularly, to a case member for a mobile communication terminal in which an electrical member electrically operated by electrical energy is disposed on at least one surface of a main body made of a synthetic resin.

The mobile communication terminal is a wireless communication device that allows a user to carry various types of information such as a voice, a text, a picture, a video, and the like using radio waves while carrying the terminal. As shown in FIG. 100, the case member 110 forms an appearance.

2 is a cross-sectional view of the case member 110, the case member 110 is a main body 111 formed by injection molding the synthetic resin, the body by a predetermined thickness by spraying so as not to damage the surface of the main body 111 It consists of a coating film 112 covering the (111).

On the other hand, in recent years, the thickness of the mobile communication terminal is gradually thinner for the convenience of carrying. For this purpose, the case member 110 constituting the mobile communication terminal and the case member 110 are disposed inside the electrical communication terminal. Electrical members (not shown) electrically operated by, for example, an antenna, a vibrating element, a speaker, a microphone, and the like are gradually thinner in thickness.

According to this tendency, the mobile communication terminal 100 that is thinly manufactured is disposed only in the internal space in which all the electrical members are formed in the case member 110, and electrical members (not shown) are disposed in the case member 110. It is not. Accordingly, the electrical members are arranged in close contact with each other only in the space in the case member 110, and the space utilization is not good. That is, since all the electrical members are placed only on the circuit board, a lot of unnecessary space is generated between the circuit board and the case member, which makes it difficult to achieve device integration.

In addition, the case member 110 in which the coating film 112 is formed by spraying can only express simple color changes or simple figures, numbers, and symbols due to the characteristics of the spray coating, and emits various colors of light to the outside of the case member. There is a problem in that various complex patterns cannot be expressed in three dimensions.

The present invention was created to solve the above problems, and an object of the present invention is to provide a case for a mobile communication terminal that can be made thinner by maximizing the space utilization in the case member.

In addition, an object of the present invention is to provide a case member for a mobile communication terminal capable of emitting various colors of light from the case member to the outside or expressing various patterns three-dimensionally on the surface of the case member.

The case member for a mobile communication terminal of the present invention for achieving the above object,

As a case member for a mobile communication terminal, which comprises an outer shape of a mobile communication terminal, which includes a main body formed by injection molding a synthetic resin, a surface film disposed on the surface side of the main body, and a rear film disposed on the rear side of the main body. ,

Between at least one of the surface film and the main body, between the main body and the back film, and the rear surface of the back film,

An electrical member that is electrically operated by electrical energy is provided.

In addition, in the case member for a mobile communication terminal of the present invention, the electrical member preferably includes a light emitting device for emitting light to the outside of the surface film when electrical energy is applied.

In addition, in the case member for a mobile communication terminal of the present invention, the light emitting device is preferably disposed between the surface film and the main body.

In addition, in the case member for a mobile communication terminal of the present invention, the electrical member preferably includes an antenna for transmitting and receiving radio waves.

In addition, in the case member for a mobile communication terminal of the present invention, the electrical member is an EL (Electro Luminescence) sheet treated with an Indum Thin Oxide (ITO), a planar inverted antenna (PIFA). F antenna), and at least one of a flexible PCB, wherein the EL sheet is disposed between the surface film and the main body, and the flat type inverted-f antenna is disposed between the main body and the rear film. It is also preferable to arrange | position between.

In addition, in the case member for a mobile communication terminal of the present invention, the main body is made of a transparent synthetic resin, it is also preferable that at least one film of the surface film and the back film is a printed layer is printed with a pattern.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

First Embodiment

3 is a cross-sectional view of a case member for a mobile communication terminal according to a first embodiment of the present invention, Figure 4 is a partial cutaway perspective view of the case member for a mobile communication terminal of the embodiment shown in Figure 3, The case member 10 is composed of a main body 20, the surface film 30, the back film 40, the electrical member 50.

In the present embodiment, the main body 20 is formed by injection molding a synthetic resin, the surface film 30 is disposed on the surface side of the main body 20, the rear film 40 is disposed on the back side of the main body 20 do. The surface film 30 and the back film 40 is made of a synthetic resin sheet such as PC, PCABS, PMMA.

The electrical member 50 is electrically operated by the electrical energy, the electrical member 50 is composed of a light emitting element 51 and the antenna 52, it is also preferably composed of a flexible printed circuit board.

The light emitting device 51 is installed between the surface film 30 and the main body 20. EL (Electro Luminescence) sheet is used as the light emitting device 51 used in the present embodiment. The EL sheet has an indium thin oxide (ITO) film, which is a transparent conductive material, is surface-treated on a sheet of a synthetic resin material by a vacuum sputtering method, and emits light to the outside when electrical energy is applied. The EL sheet may emit light of various colors to the outside, and thus, various photographs, figures, numbers, letters, and the like may be expressed according to a designer's intention. The EL sheet is connected to a circuit board (not shown) of the mobile communication terminal by a separate conductor (not shown).

The antenna 52 is installed between the main body 20 and the back film 40, the antenna 52 used in the present embodiment is a flat inverted F antenna (PIFA) embedded in the inside of the mobile communication terminal Planer Inverted-F Antenna) is used.

The planar inverted F antenna transmits and receives a radio wave from the outside and transmits the radio wave to a circuit board (not shown) in the mobile communication terminal. Specifically, the flat type F antenna is a flat plate made of a metal material which receives radio waves, and the flat type F antenna is a circuit board (not shown) in a mobile communication terminal by a conductor (not shown) for feeding or grounding. Is connected to.

The case member is manufactured as follows.

First, the surface film or the back film is put into a forming mold to form a desired case member, and the surface film or the back film having been formed is cut into a suitable size so that unnecessary parts can be removed by a cutter. Subsequently, a light emitting device is attached to the rear surface of the cut surface film and inserted into the mold, and an antenna is attached to the surface of the cut surface film and inserted into the mold. After inserting the surface film and the back film into the mold, injection molding using molten resin can provide a case member having a desired shape.

Embodiment of the present invention having such a configuration has the following actions and effects.

The EL sheet installed between the surface film 30 and the main body 20 emits light of various colors to the outside of the surface film 30 as electrical energy is applied from a circuit board (not shown). Accordingly, the mobile communication terminal can implement various colors desired by the user. For example, various patterns such as photographs, various figures, characters, and symbols can be expressed in various colors. Accordingly, it is not monotonous as compared with the conventional technique shown in FIG. 2, which is merely a surface coating, and does not get tired even after long term carrying. In addition, since the EL sheet is not exposed to the outside and is installed on the rear surface of the surface film 30 made of synthetic resin, the EL sheet is less likely to be damaged.

On the other hand, the planar inverted F antenna is not installed in the inner space of the case member 10 in which the circuit board is disposed, but specifically in the case, between the main body 20 and the back film 40. have.

By inserting the antenna, which was conventionally installed on the circuit board, into the case member, there is an advantage that space utilization can be maximized without causing unnecessary space in the case member.

Second Embodiment

Figure 5 is a cross-sectional view of a case member for a mobile communication terminal according to a second embodiment of the present invention, the second embodiment is a print in which a pattern is printed on each of the surface film 30 and back film 40 of the first embodiment The layers 61 and 62 are further formed, and the main body 20 is different from the first embodiment in that the main body 20 is made of a transparent synthetic resin that can transmit external light.

The printed layer is formed by printing various symbols, letters, numbers, figures, photos, etc. on the back surface of the surface film 30 and the surface of the back film by an appropriate method of thermal transfer printing or silk screen printing. will be.

Since the printing surface of the back film 40 is printed under the main body 20 made of transparent synthetic resin, the printed pattern on the back film 40 can be seen through the main body from the outside. Therefore, the pattern of the surface film 30 and the pattern of the back film 40 are arranged at regular intervals by at least the thickness of the main body 20, so that when viewed from the outside of the case member 10, it appears three-dimensional.

For example, if a person is printed on the surface film 30, and a background photo such as a mountain or a river is printed on the back film 40, the position of the person placed in the background changes depending on the viewing angle, so that it is three-dimensionally. It can provide a human figure. In addition, if various patterns are arranged in proper harmony with the surface film 30 and the back film 40, various visual effects can be obtained.

The mobile communication terminal according to the present invention can be variously modified as follows if the object of the present invention can be achieved in addition to the embodiments described above.

First, in the mobile communication terminal according to the present invention, the EL element and the planar inverted antenna are used, but various modifications are possible according to the needs of the designer.

First of all, as the light emitting device, it is most preferable to use EL sheet which can realize various colors quickly and is easy to thin, but besides, it is possible to use LCD (Liquid Crystal Display) substrate, and other light emitting device and surface film. Anything that can be installed between the body and the body may be available.

In addition, as an antenna, it is most preferable to use a flat-panel inverted F antenna in terms of antenna reception efficiency and stability, but in addition, if it is an internal antenna that can be installed inside a mobile communication terminal without the appearance of an antenna form, according to the designer's judgment Other types of antennas can also be used.

In addition to the light emitting element, the antenna, and the flexible printed circuit board, other types of electric members may be used as the electric members. Specifically, a vibration device for vibrating the mobile communication terminal, a microphone for receiving an external voice, a speaker for emitting sound to the outside, and in particular a thin film speaker may also be used as an electric member installed in the case member.

Secondly, in the above-described embodiment, the EL sheet is installed between the surface film and the main body, and a flat type reverse F antenna is installed between the main body and the rear film, but the installation position of the electric member is modified according to the needs of the user. This is possible.

That is, as shown in FIG. 6, a flat inverted F antenna may be attached to the back side of the back film 40. In this case, as components not described with reference to FIG. 6, components having the same reference numerals as the components illustrated in FIG. 3 are considered to be identical to the components of FIG. 3.

In addition, the EL sheet may be provided between the main body and the back film, and a flat type reverse F antenna may be provided between the surface film and the main body.

In addition, the EL sheet and the flat type F antenna may not necessarily be used together, but only the EL sheet or the flat type F antenna may be installed in the case member.

In addition, the EL sheet may be provided between the surface film and the main body and between the main body and the back film without the antenna. In this case, there is an advantage that the light emitting device having various colors can be expressed in three dimensions.

In addition, if one or more of the electrical members can be disposed in the case member according to the needs of the designer according to the needs of the present invention, the electrical member used can be variously selected as described above.

Third, in the above-described embodiment, the printing layer is printed on the back surface of the surface film and the surface of the back film, but the formation position of the printing layer may be variously selected according to the designer's judgment. That is, a printed layer may be printed on the back surface of the surface film and the back surface of the back film. In addition, a print layer may be formed only on the back surface of the back film without forming a print layer on the surface film. In addition, the print layer may be formed on only one surface of the back surface of the surface film or the surface of the back film.

In addition, various positions can be changed in the case member according to the needs of the designer.

Fourth, the manufacturing method of the case member described in the first embodiment can be variously modified. After forming the film in the above-described manufacturing method, a method of cutting to a desired size was used, but it is also possible to form after cutting. In addition, when a film of a desired size is prepared in advance before forming, the cutting step may be omitted, and after forming, it may be possible to perform injection molding after attaching a light emitting device or an antenna to the film.

In addition, the forming operation can be omitted. That is, when the film is formed on only a part of the case member, and the curved surface or other curved surface does not need to be formed on the film, it is also possible to perform injection molding after attaching the light emitting device or antenna to the film after cutting without forming. . However, when a film of a desired size is prepared in advance, cutting is not performed, and injection molding may be performed after attaching a light emitting device or an antenna to the film.

Although the present invention has been described in detail with reference to embodiments and various modifications, the present invention is not necessarily limited to these embodiments and modifications, and various modifications may be made without departing from the spirit of the present invention. Can be.

According to the case for a mobile communication terminal according to the present invention as described above, it is possible to reduce the damage to the various electrical members while slimming the mobile communication terminal, it is possible to express various lights and patterns in three dimensions.

Claims (6)

As a case member for a mobile communication terminal, which comprises an outer shape of a mobile communication terminal, which includes a main body formed by injection molding a synthetic resin, a surface film disposed on a surface side of the main body, and a back film disposed on a rear side of the main body, Between the surface film and the main body is provided with a light emitting element or an antenna for transmitting and receiving radio waves when the electric energy is applied to the outside of the surface film, The light emitting device or the antenna is installed between the main body and the back film, The light emitting device is an EL (Electro Luminescence) sheet treated with an Indum Thin Oxide (ITO) film, The antenna is a planar inverted-F antenna (PIFA), The EL sheet is disposed between the surface film and the body, The flat plate antenna is a case member for a mobile communication terminal disposed between the main body and the back film. delete delete delete delete The method of claim 1, The main body is made of a transparent synthetic resin, the case member for a mobile communication terminal, characterized in that the at least one film of the surface film and the back film is formed with a printed layer on which a pattern is printed.

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