KR20130109455A

KR20130109455A - Mobile terminal

Info

Publication number: KR20130109455A
Application number: KR1020120031193A
Authority: KR
Inventors: 신종연; 이규택; 배택윤; 도기훈
Original assignee: 엘지전자 주식회사
Priority date: 2012-03-27
Filing date: 2012-03-27
Publication date: 2013-10-08

Abstract

PURPOSE: A mobile terminal is provided to comprise a case capable of implementing various color effects, texture and cubic effects. CONSTITUTION: A case (210) is formed with a synthetic resin. The case forms an external shape of a terminal. A film member (220) is combined to cover the case. The film member includes a transmittance control part and an exterior forming part. The transmittance control part has a specific transmittance by stacking a first layer and a second layer having different refractive indexes. The exterior forming part forms the exterior of the film member by using the transmittance.

Description

[0001] MOBILE TERMINAL [0002]

The present invention relates to a mobile terminal having a case.

A mobile terminal is a portable electronic device that is portable and has one or more functions of voice and video call function, information input / output function, and data storage function.

As the functions are diversified, the mobile terminal is implemented in the form of a multimedia player having complex functions such as taking a picture or a video, playing a music or a video file, playing a game, and receiving a broadcast.

In order to support and enhance the function of the mobile terminal, various attempts have been made in the hardware part and / or the software part of the mobile terminal.

In addition, mobile terminals are regarded as personal items for expressing their personalities, and various design forms are required. The design form includes structural changes and improvements that improve the appearance of the mobile terminal.

A case of a mobile terminal is one of such design forms, and as an example of the structural change and improvement, a study related to a case having color, texture, three-dimensional feeling, etc. has recently been conducted. Thus, a new structured case can be considered to meet more diverse and advanced design needs.

The present invention is to propose a mobile terminal having a case that can implement a variety of colors, textures, three-dimensional and the like.

In order to achieve the above object of the present invention, a mobile terminal according to an embodiment of the present invention includes a case formed of a synthetic resin and forming an outer shape of the terminal, and a film member coupled to cover the case, The film member includes a transmittance adjusting unit having a specific transmittance by stacking a first layer and a second layer having different refractive indices, and an appearance forming unit forming an appearance of the film member using the transmittance.

According to an example related to the present invention, the first layer and the second layer are repeatedly stacked to form the transmittance control unit.

According to another embodiment related to the present invention, the transmittance is formed from 60% to 85%.

According to another embodiment related to the present invention, the appearance forming unit is a base layer disposed to cover the case, the printing disposed between the base layer and the transmittance control unit to provide color and / or image to the film member A layer, and an ultraviolet curing layer formed on the transmittance control unit and formed of a material that is cured by ultraviolet irradiation. The appearance forming part may further include a pattern part which is embossed or engraved on the upper surface of the ultraviolet cured layer to provide a specific texture.

According to another embodiment related to the present invention, the appearance forming unit is a base layer disposed to cover the case, the printing disposed between the base layer and the transmittance control unit to provide color and / or image to the film member And a coating layer disposed to cover the transmittance control unit. The printed layer may be formed by silk printing or digital printing.

According to another example related to the present invention, the exterior forming unit includes a base layer disposed to cover the case, a print layer disposed to cover the base layer, and providing a color and / or an image to the film member; It includes an ultraviolet curing layer disposed between the printing layer and the transmittance adjusting unit and formed of a material cured by ultraviolet irradiation, and a coating layer disposed to cover the transmittance adjusting unit. The appearance forming unit may further include a pattern portion that is embossed or engraved on the ultraviolet cured layer to provide a three-dimensional effect.

According to another embodiment related to the present invention, the exterior forming unit is a base layer disposed between the case and the transmittance adjusting unit, and a coloring coating layer disposed to cover the transmittance adjusting unit and being colored to provide color to the film member. It includes.

According to the present invention having the above configuration, the transmittance adjusting portion is formed to have a specific transmittance and luminance through a laminated structure of different materials, the appearance forming portion using the transmittance and luminance of the metal look (Metal Look), ceramic look of the case (Ceramic Look) and Anodizing Look are not only implemented, but also various visual effects such as holograms and three-dimensional patterns are given to the case.

In addition, according to the above structure, since the material and the process having the visual effect are unnecessary by implementing a specific transmittance and luminance through the transmittance adjusting unit, the degree of freedom in design can be increased, and the yield and material cost can be reduced.

1 is a perspective view of an example of a mobile terminal according to the present invention.
FIG. 2 is a rear perspective view of the mobile terminal shown in FIG. 1. FIG.
3 is an exploded perspective view of the power supply of FIG.
4 is a conceptual view of the battery cover shown in FIG.
5 is a cross-sectional view of the battery cover of FIG.
6 is a conceptual view showing the structure of the transmittance control unit shown in FIG.
7 to 10 are cross-sectional views and conceptual views of a battery cover illustrating another example of a mobile terminal according to the present invention of FIG. 3.

Hereinafter, a mobile terminal according to the present invention will be described in detail with reference to the drawings.

In the present specification, the same or similar reference numerals are given to different embodiments in the same or similar configurations. As used herein, the singular forms "a", "an" and "the" include plural referents unless the context clearly dictates otherwise. In addition, the suffix "module" and " part "for constituent elements used in the following description are given or mixed in consideration of ease of specification, and do not have their own meaning or role.

The mobile terminal described in this specification includes a mobile phone, a smart phone, a laptop computer, a digital broadcasting terminal, a PDA (Personal Digital Assistants), a PMP (Portable Multimedia Player), a PMP Books, e-books, navigation, and the like.

However, it will be readily apparent to those skilled in the art that the configuration according to the embodiments described herein may also be applied to fixed terminals such as digital TVs, desktop computers, etc., except when applicable only to mobile terminals.

1 is a perspective view of an example of a mobile terminal 100 according to the present invention.

The disclosed mobile terminal 100 includes a bar-shaped terminal body. However, the present invention is not limited thereto and can be applied to various structures such as a watch type, a clip type, a spectacle type, or a folder type, a flip type, a slide type, a swing type and a swivel type in which two or more bodies are movably coupled have.

The body includes a case (frame, housing, cover, etc.) which forms an appearance. In this embodiment, the case may be divided into a front case 101 and a rear case 102. [ A variety of electronic components are embedded in the space formed between the front case 101 and the rear case 102. At least one intermediate case may be additionally disposed between the front case 101 and the rear case 102, and the battery cover 200 covering the battery 191 may be detachably attached to the rear case 102. have.

The cases may be formed by injection molding of synthetic resin, or may be formed of metal such as stainless steel (STS), aluminum (Al), titanium (Ti), or the like.

A first sound output module 153a, a first camera 121a and a first operation unit 131 are disposed on the front of the terminal body and a microphone 122 and an interface 170 ), A second operation unit 132, and the like.

The display unit 151 is configured to display (output) information processed by the mobile terminal 100. The display unit 151 may include a liquid crystal display (LCD), a thin film transistor-liquid crystal display (TFT LCD), an organic light-emitting diode (OLED) ), A flexible display, a 3D display, and an e-ink display.

The display unit 151 may include touch sensing means for receiving a control command by a touch method. When a touch is performed on any one of the display units 151, the touch sensing unit senses the touch and the content corresponding to the touched position is input. The content input by the touch method may be a letter or a number, an instruction in various modes, a menu item which can be designated, and the like.

The touch sensing means may be formed of a translucent material so that the visual information output from the display unit 151 can be seen, and a structure for enhancing the visibility of the touch screen in a bright place. According to FIG. 1, the display unit 151 occupies most of the front surface of the front case 101.

A first sound output module 153a and a first camera 121a are disposed in an area adjacent to one end of both ends of the display unit 151 and a first operation unit 131 and a microphone 122 . The second manipulation unit 132 (see FIG. 2), the interface unit 170, and the like may be disposed on the side of the terminal body.

The first sound output module 153a may be implemented in the form of a receiver for delivering a call sound to a user's ear or a loud speaker for outputting various alarm sounds or multimedia playback sounds.

The sound generated from the first sound output module 153a may be configured to be emitted along the assembly gap between the structures. In this case, the hole formed independently for the apparent acoustic output is hidden or hidden, so that the appearance of the mobile terminal 100 can be simplified.

The first camera 121a processes an image frame such as a still image or moving image obtained by the image sensor in the video communication mode or the photographing mode. The processed image frame can be displayed on the display unit 151. [

The user input unit is operated to receive a command for controlling the operation of the mobile terminal 100 and may include first and second operation units 131 and 132. [ The first and second operation units 131 and 132 may be collectively referred to as a manipulating portion and may be any type of tactile manner such as touch, push, scroll, etc., .

In the figure, the first operation unit 131 is a touch key, but the present invention is not limited thereto. For example, the first operation unit 131 may be a mechanical key, or a combination of a touch key and a touch key.

The contents input by the first and / or second operation units 131 and 132 may be variously set. For example, the first operation unit 131 receives a command such as a menu, a home key, a cancellation, a search, and the like, and the second operation unit 132 adjusts the size of the sound output from the first sound output module 153a And a switch to the touch recognition mode of the display unit 151 and the like.

The microphone 122 is formed to receive a user's voice, other sounds, and the like. The microphone 122 may be provided at a plurality of locations to receive stereophonic sound.

The interface unit 170 serves as a path for allowing the mobile terminal 100 to exchange data with an external device. For example, the interface unit 170 is a wired or wireless connection terminal for connecting to the earphone, a port for short-range communication (for example, an infrared port (IrDA Port), Bluetooth port (Bluetooth Port), wireless LAN port (Wireless) LAN Port) and the like, or at least one of power supply terminals for supplying power to the mobile terminal 100. The interface unit 170 may be implemented as a socket for receiving an external card such as a SIM (Subscriber Identification Module) or a UIM (User Identity Module) or a memory card for storing information.

2 is a rear perspective view of the mobile terminal 100 shown in FIG.

Referring to FIG. 2, a second camera 121b may be additionally mounted on the rear of the terminal body, that is, the rear case 102. The second camera 121b has a photographing direction substantially opposite to that of the first camera 121a (see FIG. 1), and may be a camera having different pixels from the first camera 121a.

For example, the first camera 121a has low pixels so that it is easy to capture a face of a user in the case of a video call or the like and transmit the face to the other party. The second camera 121b photographs a general object and immediately transmits It is preferable to have a high pixel. The first and second cameras 121a and 121b may be installed in the terminal body so as to be able to rotate or pop-up.

A flash 123 and a mirror 124 are further disposed adjacent to the second camera 121b. The flash 123 shines light toward the subject when the subject is photographed by the second camera 121b. The mirror 124 enables the user to illuminate the user's own face or the like when the user intends to photograph the user himself / herself (self-photographing) using the second camera 121b.

The second sound output module 153b may be further disposed on the rear surface of the terminal body. The second sound output module 153b may implement a stereo function together with the first sound output module 153a (see FIG. 1), and may be used to implement a speakerphone mode during a call.

An antenna (not shown) for receiving a broadcast signal may be additionally disposed on the side of the terminal body in addition to an antenna for a call or the like. An antenna constituting a part of the broadcast receiving module may be installed to be able to be drawn out from the terminal body.

The terminal body is provided with a power supply unit 190 for supplying power to the mobile terminal 100. The power supply unit 190 may include a battery 191 built in the terminal body or configured to be detachable from the outside of the terminal body. In this figure, the battery cover 200 is coupled to the rear case 102 so as to cover the battery 191 to limit the detachment of the battery 191, and to protect the battery 191 from external shocks and foreign matters. .

3 is an exploded perspective view of the power supply unit 190 of FIG. 2.

Referring to FIG. 3, the rear case 102 is formed with a recessed battery accommodating part 192. The battery accommodating part 192 is formed to have a size corresponding to the appearance of the battery 191 so that the battery 191 can be accommodated.

The battery receiving unit 192 may be provided with a connection terminal 193 connected to the battery 191, the battery 191 is connected to supply power to the circuit board 180 provided in the terminal body. The battery 191, the battery accommodating part 192, and the connection terminal 193 may form a power supply unit 190.

The battery cover 200 is detachably coupled to the rear case 102. The battery cover 200 is coupled to the rear case 102 to cover the battery 191 to limit the detachment of the battery 191 and to protect the battery 191 from external shock and foreign matter.

Hereinafter, the battery cover 200 will be described in more detail with respect to a case having a new structure to satisfy a variety of advanced design requirements.

4 is a conceptual diagram of the battery cover 200 illustrated in FIG. 3, FIG. 5 is a cross-sectional view of the battery cover 200 illustrated in FIG. 3, and FIG. 6 illustrates a structure of the transmittance adjusting unit 221 illustrated in FIG. 5. Conceptual diagram.

4 to 6, the battery cover 200 may be a structure in which a film member 220 is provided to impart various visual effects to the case 210 forming the appearance. However, the present invention is not necessarily limited thereto, and the other cases 101 and 102 may also have the same structure as the battery cover 200.

The case 210 is formed of a synthetic resin and forms an outer shape of the rear surface of the terminal body as shown in FIG. 2. The case 210 may be, for example, an injection molded product by injection molding, in which case the battery cover 200 may have a high degree of freedom and may be manufactured at low cost regardless of the complexity of the product appearance and the inner shape. . In addition, the end of the case 210 may be formed in a curved surface.

The film member 220 is coupled to cover the case 210, and is configured to implement various colors, textures, and three-dimensional effects on the battery cover 200. For example, when the case 210 is solidified after melting, the film member 220 may be integrally combined with the case 210 to form the battery cover 200. IML (In Mold Label) method can be used as a manufacturing method for implementing such a combination.

The film member 220 includes a transmittance adjusting part 221 and an appearance forming part 222.

Referring to FIG. 6, the transmittance adjusting unit 221 is formed such that a first layer 221a and a second layer 221b having different refractive indices are stacked to have a specific transmittance. As shown, the first layer 221a and the second layer 22ab may be repeatedly stacked to form the transmittance adjusting unit 221.

The first layer (221a / n1: refractive index, d1: layer thickness, L: the number of layers) and the second layer (221b / n2: refractive index, d2: layer thickness, L: the number of layers) In structure, based on the optical design, the reflectance (R) is

And Wave Length (λ, wavelength)

Lt; / RTI >

In the present invention, the transmittance of the transmittance adjusting unit 221 may be set to 60% to 85%. This is to allow the transmittance adjusting unit 221 to implement the optimal transmittance and brightness, and the appearance forming unit 222 to give a variety of visual effects by using this, as will be described later.

The appearance forming unit 222 implements various colors, textures, and three-dimensional effects on the film member 220 using the transmittance and luminance of the transmittance adjusting unit 221.

4 and 5 illustrate the structure in which the exterior forming unit 222 implements a metal look to the film member 220. Looking at the structure in detail, the transmittance adjusting unit 221 is configured to have a high transmittance and low luminance, the appearance forming unit 222 is a base layer 222a, the printing layer 222b and the ultraviolet curing layer 222c. Include.

The base layer 222a is made of synthetic resin and is disposed to cover the case 210. For example, the base layer 222a is integrally combined with the case 210 when the case 210 is solidified after melting in IML. In addition, an end of the case 210 may be formed of a curved surface, and at least some of the first and second layers 221a and 221b constituting the transmittance adjusting unit 221 may be formed to correspond to the curved surface. If the first and second layers 221a and 221b are inserted into the mold alone, it is difficult to produce a curved shape. However, as described above, the more accurate curved shape can be manufactured through the base layer 222a.

The print layer 222b is disposed between the base layer 222a and the transmittance adjusting unit 221 and is configured to provide color and / or an image to the film member 220. In this embodiment, the printed layer 222b is preferably formed of a dark color (for example, black based) to realize a metal look. The print layer 222b may include an image print area such as a specific trademark or logo.

The ultraviolet curing layer 222c is formed on the transmittance adjusting unit 221 and is formed of a material that is cured by ultraviolet (UV) irradiation. The ultraviolet curing layer 222c may have a sufficient hardness to function as a coating layer to protect the appearance.

The appearance forming unit 222 may further include a pattern unit 222d that provides a specific texture to the film member 220. In this embodiment, the pattern portion 222d is embossed or engraved on the upper surface of the ultraviolet curing layer 222c to show that the appearance is configured to have a feeling of surface treated metal.

As such, the transmittance and luminance of the transmittance adjusting unit 221, the color of the print layer 222b, and the texture of the pattern unit 222d may be combined to implement a metal look without a metal material.

7 to 10 are cross-sectional views and conceptual views of battery covers 300, 400, and 500 illustrating another example of the mobile terminal according to the present invention of FIG. 3. Hereinafter, in the other embodiments of the present invention described, the same or similar reference numerals are assigned to the same or similar components as the foregoing embodiments, and the description is replaced with the first description.

In FIG. 7, the exterior forming unit 322 implements a ceramic look on the film member 320. Looking at the structure in detail, the transmittance adjusting unit 321 is configured to have a higher luminance than the transmittance adjusting unit 221 of the previous embodiment, the appearance forming unit 322 is the base layer 322a, the printing layer 322b and The coating layer 322e is included. These configurations have a configuration similar to that of the previous embodiment except that the ultraviolet curing layer 222c is replaced by the coating layer 322e.

In this case, the print layer 322b may be formed by silk printing, digital printing, or the like. In addition, the coating layer 322c is disposed to cover the transmittance control unit 321, it is made to protect the appearance. As an example of the coating layer 322c may be an ultraviolet curing layer of the previous embodiment.

According to the above structure, it is possible to implement a ceramic look by setting the transmittance adjusting unit 321 to high brightness. In addition, since a deposition, an etching process, or the like for increasing luminance is unnecessary, the yield may be improved.

8 and 9 illustrate the external appearance forming unit 422 implementing a three-dimensional pattern on the film member 420. Looking at the structure in detail, the transmittance control unit 421 is configured to have a high brightness, the appearance forming unit 422 is the base layer 422a, the printing layer 422b, the ultraviolet curing layer 422c and the coating layer 422e ). These configurations have a configuration similar to the embodiment of FIG. 6 except that the ultraviolet curing layer 422c is additionally disposed between the print layer 422b and the transmittance control unit 421.

The appearance forming part 422 may further include a pattern part 422d that provides a three-dimensional effect to the film member 420. In the present exemplary embodiment, the pattern portion 422d is embossed or engraved on the ultraviolet curing layer 422c to have a three-dimensional appearance.

In this embodiment, 3D printing and a hologram layer may be disposed between the printed layer 422b and the transmittance adjusting unit 421 instead of the ultraviolet curing layer 422c and the pattern portion 422d to implement a three-dimensional effect, a holographic effect, and the like. .

In FIG. 10, the exterior forming unit 522 implements an anodizing look on the film member 520. Looking at the structure in detail, the transmittance adjusting unit 521 is configured to have a relatively low transmittance compared to the previous embodiments, the appearance forming unit 522 includes a base layer 522a and the coloring coating layer 522e. .

The base layer 522a is disposed between the case 510 and the transmittance control unit 521. The function of the base layer 522a is as described above.

The coloring coating layer 522e is disposed to cover the transmittance adjusting unit 521 and is colored to provide color to the film member 520. Therefore, unlike the previous embodiment, a separate printed layer is unnecessary. According to the above structure, it is possible to give a visual effect similar to that which has been subjected to anodizing, physical vapor deposition (PVD) process, or the like.

The mobile terminal described above is not limited to the configuration and method of the embodiments described above, but the embodiments may be configured by selectively combining all or a part of the embodiments so that various modifications may be made.

Claims

A case formed of synthetic resin and forming an external shape of the terminal; And
It includes a film member coupled to cover the case,
The film member,
A transmittance control unit having a specific transmittance by stacking a first layer and a second layer having different refractive indices; And
A mobile terminal comprising an appearance forming unit for forming an appearance of the film member using the transmittance.

The method of claim 1,
And the first layer and the second layer are repeatedly stacked to form the transmittance control unit.

The method of claim 1,
The transmittance is a mobile terminal, characterized in that from 60% to 85%.

The method of claim 1,
The appearance forming unit,
A base layer disposed to cover the case;
A printing layer disposed between the base layer and the transmittance adjusting unit and providing a color and / or an image to the film member; And
A mobile terminal, characterized in that formed on the transmittance control unit, comprising an ultraviolet curing layer formed of a material that is cured by ultraviolet irradiation.

5. The method of claim 4,
The exterior forming unit further comprises a pattern unit which is embossed or engraved on the upper surface of the ultraviolet curing layer to provide a specific texture.

The method of claim 1,
The appearance forming unit,
A base layer disposed to cover the case;
A printing layer disposed between the base layer and the transmittance adjusting unit and providing a color and / or an image to the film member; And
A mobile terminal comprising a coating layer disposed to cover the transmittance control unit.

The method according to claim 6,
The printing layer is a mobile terminal, characterized in that formed by silk printing or digital printing.

The method of claim 1,
The appearance forming unit,
A base layer disposed to cover the case;
A printing layer disposed to cover the base layer and providing a color and / or an image to the film member;
An ultraviolet curing layer disposed between the printing layer and the transmittance adjusting unit and formed of a material that is cured by ultraviolet irradiation; And
A mobile terminal comprising a coating layer disposed to cover the transmittance control unit.

The method of claim 8,
The exterior forming unit further comprises a pattern unit for embossing or engraving the UV-curable layer to provide a three-dimensional effect.

The method of claim 1,
The appearance forming unit,
A base layer disposed between the case and the transmittance control unit; And
And a coloring coating layer disposed to cover the transmittance adjusting part and colored to provide color to the film member.