KR101861663B1 - Mobile terminal - Google Patents

Abstract

The present invention relates to a mobile terminal, and more particularly, to a mobile terminal capable of expanding a viewing area of a display unit and preventing peeling of the panels included in the display unit from each other.

Description

[0001] MOBILE TERMINAL [0002]

The present invention relates to a mobile terminal, and more particularly, to a mobile terminal capable of expanding a viewing area of a display unit and preventing peeling of the panels included in the display unit from each other.

The terminal can move And may be divided into a mobile / portable terminal and a stationary terminal depending on whether the mobile terminal is a mobile terminal or a mobile terminal. The mobile terminal can be divided into a handheld terminal and a vehicle mount terminal according to whether the user can directly carry the mobile terminal.

2. Description of the Related Art [0002] In recent years, a display unit, which is an output unit for displaying time information in a terminal, is generally composed of a plurality of panels. In a conventional mobile terminal, need. Such a wide adhesive area is a bezel area that substantially eliminates a visual area provided with visual information in the display part, thereby reducing the visual area of the display part. In addition, in the mobile terminal according to the related art, since a plurality of panels included in the display unit are bonded to each other with an adhesive, the adhesive strength between the plurality of panels is weakened due to the external environment such as temperature and humidity, . In addition, in the mobile terminal according to the related art, there is a gap between the plurality of panels included in the display unit and the case due to assembly tolerances, and foreign matter is accumulated between the gaps.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a mobile terminal capable of solving the problems in the prior art.

Specifically, it is an object of the present invention to provide a mobile terminal capable of expanding a view area by reducing a bezel area in a display part.

It is another object of the present invention to provide a mobile terminal capable of preventing peeling of a plurality of panels included in a display unit.

It is another object of the present invention to provide a mobile terminal capable of preventing foreign matter from penetrating into a mobile terminal.

According to an aspect of the present invention, there is provided a mobile terminal including: a display unit including a window panel and a display panel disposed under the window panel; And a front case for receiving the display unit, wherein the display unit has a step at an upper edge of the display unit, the front case being engaged with the step unit to fix the window panel and the display panel to the terminal body And a mobile terminal having a gateway.

According to an aspect of the present invention, there is provided an effect of expanding a view area by reducing a bezel area in a display part. In addition, the present invention has an effect of preventing peeling of a plurality of panels included in the display unit. In addition, the present invention has the effect of preventing foreign matter from penetrating into the mobile terminal.

1 is a block diagram of a mobile terminal according to an embodiment of the present invention.
2A is a front perspective view of a mobile terminal according to an embodiment of the present invention.
2B is a rear perspective view of a mobile terminal according to an embodiment of the present invention.
3 is a schematic cross-sectional view of a display portion of a mobile terminal according to the prior art.
4 is a schematic cross-sectional view of a display unit and a front case according to the first embodiment of the present invention.
5 is a schematic cross-sectional view of a display unit and a front case according to a second embodiment of the present invention.
6 is a schematic cross-sectional view of a display unit and a front case according to a third embodiment of the present invention.

Hereinafter, a mobile terminal related to the present invention will be described in detail with reference to the drawings. The suffix "module" and " part "for the components 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 may include a mobile phone, a smart phone, a laptop computer, a digital broadcasting terminal, a PDA (Personal Digital Assistants), a PMP (Portable Multimedia Player), navigation and the like. However, it will be understood by those skilled in the art that the configuration according to the embodiments described herein may be applied to a fixed terminal such as a digital TV, a desktop computer, and the like, unless the configuration is applicable only to a mobile terminal. Further, in this specification, the front or forward direction refers to the direction toward the upper portion or the upper portion of the mobile terminal, and the backward or backward direction refers to the direction toward the lower portion or the lower portion of the mobile terminal.

1 is a block diagram of a mobile terminal according to an embodiment of the present invention.

The mobile terminal 100 includes a wireless communication unit 110, an audio / video input unit 120, a user input unit 130, a sensing unit 140, an output unit 150, a memory 160, A controller 170, a controller 180, a power supply 190, and the like. The components shown in FIG. 1 are not essential, and a mobile terminal having more or fewer components may be implemented.

Hereinafter, the components will be described in order.

The wireless communication unit 110 may include one or more modules for enabling wireless communication between the mobile terminal 100 and the wireless communication system or between the mobile terminal 100 and the network in which the mobile terminal 100 is located. For example, the wireless communication unit 110 may include a broadcast receiving module 111, a mobile communication module 112, a wireless Internet module 113, a short range communication module 114, and a location information module 115 .

The broadcast receiving module 111 receives broadcast signals and / or broadcast-related information from an external broadcast management server through a broadcast channel.

The broadcast channel may include a satellite channel and a terrestrial channel. The broadcast management server may refer to a server for generating and transmitting broadcast signals and / or broadcast related information, or a server for receiving broadcast signals and / or broadcast related information generated by the broadcast management server and transmitting the generated broadcast signals and / or broadcast related information. The broadcast signal may include a TV broadcast signal, a radio broadcast signal, a data broadcast signal, and a broadcast signal in which a data broadcast signal is combined with a TV broadcast signal or a radio broadcast signal.

The broadcast-related information may refer to a broadcast channel, a broadcast program, or information related to a broadcast service provider. The broadcast-related information may also be provided through a mobile communication network. In this case, it may be received by the mobile communication module 112.

The broadcast-related information may exist in various forms. For example, an EPG (Electronic Program Guide) of DMB (Digital Multimedia Broadcasting) or an ESG (Electronic Service Guide) of Digital Video Broadcast-Handheld (DVB-H).

For example, the broadcast receiving module 111 may be a Digital Multimedia Broadcasting-Terrestrial (DMB-T), a Digital Multimedia Broadcasting-Satellite (DMB-S), a Media Forward Link Only And a Digital Broadcasting System (ISDB-T) (Integrated Services Digital Broadcast-Terrestrial). Of course, the broadcast receiving module 111 may be adapted to other broadcasting systems as well as the digital broadcasting system described above.

The broadcast signal and / or broadcast related information received through the broadcast receiving module 111 may be stored in the memory 160.

The mobile communication module 112 transmits and receives radio signals to at least one of a base station, an external terminal, and a server on a mobile communication network. The wireless signal may include various types of data depending on a voice call signal, a video call signal or a text / multimedia message transmission / reception.

The wireless Internet module 113 is a module for wireless Internet access, and may be built in or externally attached to the mobile terminal 100. WLAN (Wi-Fi), Wibro (Wireless broadband), Wimax (World Interoperability for Microwave Access), HSDPA (High Speed Downlink Packet Access) and the like can be used as wireless Internet technologies.

The short-range communication module 114 refers to a module for short-range communication. Bluetooth, Radio Frequency Identification (RFID), infrared data association (IrDA), Ultra Wideband (UWB), ZigBee, and the like can be used as a short range communication technology.

The position information module 115 is a module for obtaining the position of the mobile terminal, and a representative example thereof is a Global Position System (GPS) module.

Referring to FIG. 1, an A / V (Audio / Video) input unit 120 is for inputting an audio signal or a video signal, and may include a camera 121 and a microphone 122. The camera 121 processes image frames such as still images or moving images 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 200. [

The image frame processed by the camera 121 may be stored in the memory 160 or transmitted to the outside through the wireless communication unit 110. [ Two or more cameras 121 may be provided depending on the use environment.

The microphone 122 receives an external sound signal through a microphone in a communication mode, a recording mode, a voice recognition mode, or the like, and processes it as electrical voice data. The processed voice data can be converted into a form that can be transmitted to the mobile communication base station through the mobile communication module 112 when the voice data is in the call mode, and output. Various noise reduction algorithms may be implemented in the microphone 122 to remove noise generated in receiving an external sound signal.

The user input unit 130 generates input data for a user to control the operation of the terminal. The user input unit 130 may include a key pad dome switch, a touch pad (static / static), a jog wheel, a jog switch, and the like.

The sensing unit 140 senses the current state of the mobile terminal 100 such as the open / close state of the mobile terminal 100, the position of the mobile terminal 100, the presence or absence of user contact, the orientation of the mobile terminal, And generates a sensing signal for controlling the operation of the mobile terminal 100. For example, when the mobile terminal 100 is in the form of a slide phone, it is possible to sense whether the slide phone is opened or closed. It is also possible to sense whether the power supply unit 190 is powered on, whether the interface unit 170 is connected to an external device, and the like. Meanwhile, the sensing unit 140 may include a proximity sensor 141.

The output unit 150 is for generating output related to visual, auditory or tactile sense and includes a display unit 200, an acoustic output module 152, an alarm unit 153, and a haptic module 154 .

The display unit 200 displays (outputs) information processed by the mobile terminal 100. For example, when the mobile terminal is in the call mode, a UI (User Interface) or a GUI (Graphic User Interface) associated with a call is displayed. When the mobile terminal 100 is in the video communication mode or the photographing mode, the photographed and / or received video or UI and GUI are displayed.

The display unit 200 may be a liquid crystal display (LCD), a thin film transistor-liquid crystal display (TFT LCD), an organic light-emitting diode (OLED) display, and a 3D display.

Some of these displays may be transparent or light transmissive so that they can be seen through. This can be referred to as a transparent display, and a typical example of the transparent display is TOLED (Transparent OLED) and the like. The rear structure of the display unit 200 may also be of a light transmission type. With this structure, the user can see an object located behind the terminal body through the area occupied by the display unit 200 of the terminal body.

There may be two or more display units 200 according to the embodiment of the mobile terminal 100. [ For example, in the mobile terminal 100, the plurality of display units 200 may be spaced apart from one another or may be disposed integrally with one another, or may be disposed on different surfaces.

A display unit 200 and a display unit 200 are connected to a display unit 200 and a sensor (hereinafter, referred to as a 'touch sensor' ) Can be used as an input device in addition to an output device. The touch sensor may have the form of, for example, a touch film, a touch sheet, a touch pad, or the like.

The touch sensor may be configured to convert a change in a pressure applied to a specific portion of the display unit 200 or a capacitance generated in a specific portion of the display unit 200 into an electrical input signal. The touch sensor can be configured to detect not only the position and area to be touched but also the pressure at the time of touch.

If there is a touch input to the touch sensor, the corresponding signal (s) is sent to the touch controller. The touch controller processes the signal (s) and transmits the corresponding data to the controller 180. Thus, the control unit 180 can know which area of the display unit 200 is touched or the like.

Referring to FIG. 1, a proximity sensor 141 may be disposed in an inner region of the mobile terminal or in the vicinity of the touch screen, which is surrounded by the touch screen. The proximity sensor refers to a sensor that detects the presence or absence of an object approaching a predetermined detection surface or a nearby object without mechanical contact using the force of an electromagnetic field or infrared rays. The proximity sensor has a longer life span than the contact sensor and its utilization is also high.

Examples of the proximity sensor include a transmission type photoelectric sensor, a direct reflection type photoelectric sensor, a mirror reflection type photoelectric sensor, a high frequency oscillation type proximity sensor, a capacitive proximity sensor, a magnetic proximity sensor, and an infrared proximity sensor. And to detect the proximity of the pointer by the change of the electric field along the proximity of the pointer when the touch screen is electrostatic. In this case, the touch screen (touch sensor) may be classified as a proximity sensor.

Hereinafter, for convenience of explanation, the act of recognizing that the pointer is positioned on the touch screen while the pointer is not in contact with the touch screen is referred to as "proximity touch & The act of actually touching the pointer on the screen is called "contact touch. &Quot; The position where the pointer is proximately touched on the touch screen means a position where the pointer is vertically corresponding to the touch screen when the pointer is touched.

The proximity sensor detects a proximity touch and a proximity touch pattern (e.g., a proximity touch distance, a proximity touch direction, a proximity touch speed, a proximity touch time, a proximity touch position, a proximity touch movement state, and the like). Information corresponding to the detected proximity touch operation and the proximity touch pattern may be output on the touch screen.

The audio output module 152 may output audio data received from the wireless communication unit 110 or stored in the memory 160 in a call signal reception mode, a call mode or a recording mode, a voice recognition mode, a broadcast reception mode, The sound output module 152 also outputs sound signals related to functions (e.g., call signal reception sound, message reception sound, etc.) performed in the mobile terminal 100. [ The audio output module 152 may include a receiver, a speaker, a buzzer, and the like.

The alarm unit 153 outputs a signal for notifying the occurrence of an event of the mobile terminal 100. Examples of events that occur in the mobile terminal include call signal reception, message reception, key signal input, touch input, and the like. The alarm unit 153 may output a signal for notifying the occurrence of an event in a form other than the video signal or the audio signal, for example, vibration. The video signal or the audio signal may be output through the display unit 200 or the audio output module 152 so that the video signal or the audio signal may be classified as a part of the alarm unit 153.

The haptic module 154 generates various tactile effects that the user can feel. A typical example of the haptic effect generated by the haptic module 154 is vibration. The intensity and pattern of the vibration generated by the hit module 154 can be controlled. For example, different vibrations may be synthesized and output or sequentially output.

In addition to the vibration, the haptic module 154 may include a pin arrangement vertically moving with respect to the contact skin surface, a spraying force or a suction force of the air through the injection port or the suction port, a touch on the skin surface, contact with an electrode, And various tactile effects such as an effect of reproducing a cold sensation using an endothermic or exothermic element can be generated.

The haptic module 154 can be implemented not only to transmit the tactile effect through the direct contact but also to allow the user to feel the tactile effect through the muscular sensation of the finger or arm. The haptic module 154 may include two or more haptic modules 154 according to the configuration of the portable terminal 100.

The memory 160 may store a program for the operation of the controller 180 and temporarily store input / output data (e.g., a phone book, a message, a still image, a moving picture, etc.). The memory 160 may store data on vibration and sound of various patterns outputted when a touch is input on the touch screen.

The memory 160 may be a flash memory type, a hard disk type, a multimedia card micro type, a card type memory (for example, SD or XD memory), a RAM (Random Access Memory), SRAM (Static Random Access Memory), ROM (Read Only Memory), EEPROM (Electrically Erasable Programmable Read-Only Memory), PROM A disk, and / or an optical disk. The mobile terminal 100 may operate in association with a web storage that performs a storage function of the memory 160 on the Internet.

The interface unit 170 serves as a path for communication with all external devices connected to the mobile terminal 100. The interface unit 170 receives data from an external device or supplies power to each component in the mobile terminal 100 or transmits data to the external device. For example, a wired / wireless headset port, an external charger port, a wired / wireless data port, a memory card port, a port for connecting a device having an identification module, an audio I / O port, A video input / output (I / O) port, an earphone port, and the like may be included in the interface unit 170.

The identification module is a chip for storing various information for authenticating the use right of the mobile terminal 100 and includes a user identification module (UIM), a subscriber identity module (SIM), a general user authentication module A Universal Subscriber Identity Module (USIM), and the like. Devices with identification modules (hereinafter referred to as "identification devices") can be manufactured in a smart card format. Accordingly, the identification device can be connected to the terminal 100 through the port.

When the mobile terminal 100 is connected to an external cradle, the interface unit may be a path through which power from the cradle is supplied to the mobile terminal 100, or various command signals input by the user to the cradle may be transmitted It can be a passage to be transmitted to the terminal. The various command signals or the power source input from the cradle may be operated as a signal for recognizing that the mobile terminal is correctly mounted on the cradle.

The controller 180 typically controls the overall operation of the mobile terminal. For example, voice communication, data communication, video communication, and the like. The control unit 180 may include a multimedia module 181 for multimedia playback. The multimedia module 181 may be implemented in the control unit 180 or may be implemented separately from the control unit 180. [

The controller 180 may perform a pattern recognition process for recognizing handwriting input or drawing input performed on the touch screen as characters and images, respectively.

The power supply unit 190 receives external power and internal power under the control of the controller 180 and supplies power necessary for operation of the respective components.

The various embodiments described herein may be embodied in a recording medium readable by a computer or similar device using, for example, software, hardware, or a combination thereof.

According to a hardware implementation, the embodiments described herein may be implemented as application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate arrays May be implemented using at least one of processors, controllers, micro-controllers, microprocessors, and other electronic units for performing other functions. In some cases, May be implemented by the control unit 180.

According to a software implementation, embodiments such as procedures or functions may be implemented with separate software modules that perform at least one function or operation. The software code may be implemented by a software application written in a suitable programming language. The software codes are stored in the memory 160 and can be executed by the control unit 180. [

2A is a perspective view of an example of a mobile terminal or a mobile terminal according to the present invention.

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

The body includes a case (a casing, a housing, a cover, and the like) which forms an appearance. In this embodiment, the case may be divided into a front case 101 and a rear case 102. Various 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.

The cases may be formed by injection molding a synthetic resin, or may be formed to have a metal material such as stainless steel (STS) or titanium (Ti) or the like.

The display unit 200, the sound output unit 152, the camera 121, the user input units 130/131 and 132, the microphone 122, the interface 170, and the like may be disposed in the terminal body, have.

The display unit 200 occupies most of the main surface of the front case 101. A sound output unit 151 and a camera 121 are disposed in an area adjacent to one end of both ends of the display unit 200 and a user input unit 131 and a microphone 122 are disposed in an area adjacent to the other end. The user input unit 132 and the interface 170 may be disposed on the side surfaces of the front case 101 and the rear case 102.

The user input unit 130 is operated to receive a command for controlling the operation of the portable terminal 100 and may include a plurality of operation units 131 and 132. The operation units 131 and 132 may be collectively referred to as a manipulating portion and may be employed in any manner as long as the user operates in a tactile manner.

The contents inputted by the first or second operation unit 131 or 132 may be variously set. For example, the first operation unit 131 receives commands such as start, end, scroll, and the like, and the second operation unit 132 controls the size of the sound output from the sound output unit 152, To the touch recognition mode of the touch screen.

FIG. 2B is a rear perspective view of the portable terminal shown in FIG. 2A.

Referring to FIG. 2B, a camera 121 'may be further mounted on the rear surface of the terminal body, that is, the rear case 102. The camera 121 'may have a photographing direction substantially opposite to the camera 121 (see FIG. 2A), and may be a camera having different pixels from the camera 121.

For example, the camera 121 may have a low pixel so that the face of the user can be photographed and transmitted to the other party in case of a video call or the like, and the camera 121 ' It is preferable to have a large number of pixels. The cameras 121 and 121 'may be installed in the terminal body so as to be rotatable or pop-upable.

A flash 123 and a mirror 124 are additionally disposed adjacent to the camera 121 '. The flash 123 illuminates the subject when the subject is photographed by the camera 121 '. The mirror 124 allows the user to illuminate the user's own face or the like when the user intends to shoot himself / herself (self-photographing) using the camera 121 '.

An acoustic output 152 'may be additionally disposed on the rear surface of the terminal body. The sound output unit 152 'may implement the stereo function together with the sound output unit 152 (see FIG. 2A), and may be used for the implementation of the speakerphone mode during a call.

In addition to the antenna for a call or the like, a broadcast signal reception antenna 124 may be additionally disposed on the side of the terminal body. The antenna 124 constituting a part of the broadcast receiving module 111 (see FIG. 1) may be installed to be able to be drawn out from the terminal body.

A power supply unit 190 for supplying power to the portable terminal 100 is mounted on the terminal body. The power supply unit 190 may be built in the terminal body or may be detachable from the outside of the terminal body.

The rear case 102 may further include a touch pad 135 for sensing a touch. The touch pad 135 may also be of a light transmission type like the display unit 200. In this case, if the display unit 200 is configured to output time information on both sides, the time information can be recognized through the touch pad 135 as well. The information output on both sides may be all controlled by the touch pad 135. [ Alternatively, a display may be additionally mounted on the touch pad 135, and the touch screen may be disposed on the rear case 102.

The touch pad 135 operates in correlation with the display unit 200 of the front case 101. The touch pad 135 may be disposed parallel to the rear of the display unit 200. The touch pad 135 may have a size equal to or smaller than that of the display unit 200.

Hereinafter, a mobile terminal according to the present invention including at least one of the above-described components will be described. Before describing the mobile terminal according to the present invention, however, .

3 is a schematic cross-sectional view of a display portion 10 of a mobile terminal according to the prior art.

3, the mobile terminal according to the related art includes a window panel 1, a display panel 5 bonded under the window panel 1 with a light-transmitting resin R, And a front case 7 disposed on the side of the display panel 5 to receive the window panel 1 and the display panel 5.

Since the window panel 1 is adhered and fixed to the front case 7 with an adhesive agent so that a wide range of adhesive areas are formed in the window panel 1 to securely fix the window panel 1 firmly to the front case 7, As shown in Fig. A bezel area (BZ) in which the display area (5) is not disposed below the adhesion area is removed. Since the window panel and the display panel 5 are adhered with the light transmitting resin R, the display panel 5 and the window panel 5 can be easily separated from each other by the external environment such as temperature and humidity in the manufacturing process, 1 are peeled off from each other. In addition, foreign substances such as moisture and dust easily penetrate between the side surface of the window panel 1 and the front case 7 due to assembly tolerance and the like, thereby deteriorating the appearance of the mobile terminal. At the same time, There is a risk of causing electronic defects in the mobile terminal. Unlike the mobile terminal according to the related art, the mobile terminal according to the present invention has a structure for firmly fixing a plurality of panels (for example, a window panel, a touch panel, a display panel, etc.) have.

Specifically, a mobile terminal according to the present invention includes: a display unit including a window panel and a display panel disposed under the window panel; And a front case for receiving the display unit, wherein the display unit has a step at an upper edge of the display unit, the front case being engaged with the step unit to fix the window panel and the display panel to the terminal body And is provided with a door.

Hereinafter, the plurality of panels included in the display unit and the fixing unit included in the front case in the mobile terminal according to the present invention will be described in more detail with reference to the drawings.

4 is a schematic cross-sectional view of a display unit 200 and a front case 101 according to the first embodiment of the present invention.

As shown in FIG. 4, the mobile terminal according to the first embodiment of the present invention includes a display unit 200 and a front case 101 that receives the display unit 200.

The display unit 200 includes a window panel 210; A touch that is attached to the lower portion of the window panel 210 by the light transmitting resin R and outputs an electrical coordinate signal corresponding to the input position when the user touches one or more input positions on the window panel 210 Panel 230; And a display panel 250 positioned below the touch panel 230 and outputting time information in the direction of the window panel 210. At this time, in the present embodiment, the touch panel 230 may be omitted. In addition, the display unit 200 may include stepped portions 215 at the upper edge of the display unit.

The front case 101 houses the window panel 210, the touch panel 230, and the display panel 250. The front case 101 may include a fixing portion 101a for fixing the window panel, the touch panel, and the display panel to the main body of the terminal by engaging with the stepped portion provided on the display portion. The fixing portion 101a of the front case 101 applies a pressing force to the step portion 215 of the display portion 200 from the upper side to the lower side to press the window panel, the touch panel 230, and the display panel 250 Is fixed to the terminal main body.

The fixing portion 101a extends inwardly from the end portion of the side surface portion of the front case 101 in which the window panel 210 is received. That is, the fixing portion 101a forms a "? &Quot; -shaped portion together with the side surface portion of the front case 101 as shown in Fig. The fixing portion 101a is configured such that the lower surface of the fixing portion 101a presses the upper surface of the window panel 210 downward in the present embodiment.

The window panel 210 has a step 215 at which the fixing portion 101a is engaged with an upper rim thereof. That is, a part of the fixing portion 101a is seated on the stepped portion 215 and the lower surface of the fixing portion 101a of the front case 101 is in contact with the window panel 210, A touch panel 230 attached to the lower side with a light transmitting resin R and a display panel 250 bonded with a light transmitting resin R under the touch panel 230 in a downward direction.

The fixing portion 101a is engaged with the stepped portion 215 of the window panel 210 to mechanically fix the plurality of panels included in the display portion 200 to the front case 101, A wide adhesive region is not necessary as in the prior art, and the portion where the fixing portion 101a abuts the step portion 215 can obtain a firm fixing force in the mobile terminal even with an area smaller than the adhesive region according to the prior art. For example, in order to firmly fix the window panel 210 to the front case 101 in the mobile terminal according to the related art, an adhesive area of about 1.3 mm to 2 mm is required. However, in the mobile terminal according to the present invention, The area in which the portion 101a contacts the step 215 of the window panel 210 is 0.2 mm to 0.3 mm.

The window panel 210 may be made of plastic or glass, and may be made of plastic, preferably to facilitate processing of the stepped portion.

The touch panel 230 may be formed of an ITO panel or an ITO film. Preferably, the touch panel 230 may be formed of a flexible transparent conducting film having high electrical conductivity and high ductility.

On the inner surface of the front case 101, a sealing portion 280 is provided below the fixing portion 101a. A sealing portion 280 is formed by taping or filling a resin between the side surface of the window panel 210 and the side surface of the touch panel 230 and the inner surface of the front case 101 positioned under the fixing portion 101a, . That is, the sealing portion 280 may be formed by taping at least one side surface of the window panel and / or the side surface of the touch panel, or at least one side surface of the side surface of the window panel and / And an adhesive resin filling the space between the inner surfaces of the first and second adhesive layers.

The sealing portion 280 surely prevents foreign matter such as moisture and dust from penetrating into the body of the mobile terminal, and at the same time acts as an adhesive to improve the fixing force between the display portion and the front case.

According to the present embodiment, a plurality of panels included in the display unit 200 are adhered to each other with a light-transmitting adhesive, and at the same time, a pressing force in a downward direction is received from the fixing portion 101a of the front case 101, Can be prevented from being peeled off from each other. Further, since the length of the fixing portion 101a can be formed smaller than the length of the bonding region according to the conventional technique, the bezel region BZ can be reduced, and as a result, the viewing region can be expanded. In addition, since the fixing portion 101a and the step 215 of the window panel 210 are engaged and connected to each other (that is, the lower surface of the fixing portion 101a and the surface of the step portion come into close contact with each other) It is possible to prevent foreign matter from penetrating into the apparatus.

5 is a schematic cross-sectional view of a display unit 200 and a front case 101 according to a second embodiment of the present invention.

As shown in FIG. 5, the mobile terminal according to the second embodiment of the present invention includes a display unit 200 and a front case 101 that receives the display unit 200.

The display unit 200 includes a window panel 210; A touch that is attached to the lower portion of the window panel 210 by the light transmitting resin R and outputs an electrical coordinate signal corresponding to the input position when the user touches one or more input positions on the window panel 210 Panel 230; And a display panel 250 positioned below the touch panel 230 and outputting time information in the direction of the window panel 210. In addition, the display unit 200 may include a stepped portion 235 at the upper edge of the display unit.

 The front case 101 houses the window panel 210, the touch panel 230, and the display panel 250. The front case 101 may include a fixing portion 101a for fixing the window panel, the touch panel, and the display panel to the main body of the terminal by engaging with the stepped portion provided on the display portion. The fixed portion 101a of the front case 101 applies a pressing force to the stepped portion 235 of the display portion 200 from the upper side to the lower side to press the window panel, the touch panel 230, and the display panel 250 Is fixed to the terminal main body.

The fixing portion 101a extends inwardly from the end portion of the side surface portion of the front case 101 in which the window panel 210 is received. That is, the fixing portion 101a forms the "a " -shaped portion together with the side surface portion of the front case 101 as shown in Fig. The fixing portion 101a is configured such that the lower surface of the fixing portion 101a presses the upper surface of the touch panel 230 downward in the present embodiment.

5, the window panel 210 is coupled to the touch panel 230 such that the edge of the window panel 210 is located a predetermined distance from the edge of the touch panel 230. [ The upper surface of the edge portion of the touch panel 230 and the side surface of the window panel 210 having the edge extending outward beyond the edge of the window panel 210 are formed in the lower portion of the window panel 210, Thereby forming a stepped portion 235 at which the first end portion 101a is engaged. A portion of the fixing portion 101a is seated on the stepped portion 235 and the lower surface of the fixing portion 101a of the front case 101 is in contact with the light transmitting resin R And a display panel 250 adhered to the lower surface of the touch panel 230 with a light transmitting resin R in a downward direction.

The fixing portion 101a is engaged with the stepped portion 235 formed by the window panel 210 and the touch panel 230 to connect the plurality of panels included in the display portion 200 to the front case 101, A wide area of adhesion is not required as in the prior art, and a portion of the fixing portion 101a, which abuts the step portion 235, is formed of a rigid A fixing force can be obtained. For example, in order to firmly fix the window panel 210 to the front case 101 in the mobile terminal according to the related art, an adhesive area of about 1.3 mm to 2 mm is required. However, in the mobile terminal according to the present invention, The area in which the portion 101a contacts the step 235 of the window panel 210 is 0.2 mm to 0.3 mm.

In this embodiment, since the touch panel 230 receives downward pressing force from the fixing portion 101a, it is preferable that the touch panel 230 is formed of an ITO panel having a predetermined thickness rather than a thin ITO film or a flexible transparent conductive film.

On the inner surface of the front case 101, a sealing portion 280 is provided below the fixing portion 101a. Specifically, a sealing portion 280 is formed on the side surface of the touch panel 230 located under the fixing portion 101a by taping or filling the resin. That is, the sealing portion 280 may be formed by taping at least one side surface of the window panel and / or the side surface of the touch panel, or at least one side surface of the side surface of the window panel and / And an adhesive resin filling the space between the inner surfaces of the first and second adhesive layers.

The sealing portion 280 surely prevents foreign matter such as moisture and dust from penetrating into the body of the mobile terminal, and at the same time acts as an adhesive to improve the fixing force between the display portion and the front case.

According to the present embodiment, a plurality of panels included in the display unit 200 are adhered to each other with a light-transmitting adhesive, and at the same time, a pressing force in a downward direction is received from the fixing portion 101a of the front case 101, Can be prevented from being peeled off from each other. Further, since the length of the fixing portion 101a can be formed smaller than the length of the bonding region according to the conventional technique, the bezel region BZ can be reduced, and as a result, the viewing region can be expanded. In addition, since the stepped portion 235 formed by the window panel 210 and the touch panel 230 and the fixing portion 101a are engaged and connected to each other (that is, the surface of the fixing portion 101a and the surface of the stepped portion (The upper surface of the edge portion of the panel 230) are in close contact with each other), it is possible to prevent foreign matter from penetrating into the main body of the mobile terminal.

6 is a schematic cross-sectional view of a display unit 200 and a front case 101 according to a third embodiment of the present invention.

As shown in FIG. 6, the mobile terminal according to the third embodiment of the present invention includes a display unit 200 and a front case 101 that receives the display unit 200.

The display unit 200 includes a window panel 210; A touch that is attached to the lower portion of the window panel 210 by the light transmitting resin R and outputs an electrical coordinate signal corresponding to the input position when the user touches one or more input positions on the window panel 210 Panel 230; And a display panel 250 positioned below the touch panel 230 and outputting time information in the direction of the window panel 210. At this time, in the present embodiment, the touch panel 230 may be omitted. In addition, the display unit 200 may include stepped portions 215 at the upper edge of the display unit.

 The front case 101 houses the window panel 210, the touch panel 230, and the display panel 250. The front case 101 may include a fixing portion 101a that is engaged with a stepped portion 215 of the display portion and fixes the window panel, the touch panel, and the display panel to the main body of the terminal. The fixing portion 101a of the front case 101 applies a pressing force from the upper portion to the lower portion to the step 215 of the display portion 200 to press the window panel, the touch panel 230, and the display panel 250 Is fixed to the terminal main body.

The fixing portion 101a extends inwardly from the end portion of the side surface portion of the front case 101 in which the window panel 210 is received. That is, the fixing portion 101a together with the side surface portion of the front case 101 forms the "a " -shaped portion as shown in Fig. The fixing portion 101a is configured such that the lower surface of the fixing portion 101a presses the upper surface of the second window 213, which will be described later in this embodiment, in a downward direction.

The window panel 210 includes a first window 211 and a second window 213 bonded to the lower portion of the first window 211 by a light transmitting resin R. [ The thickness of the first window 211 is preferably smaller than the thickness of the second window 213. The first window 211 is coupled to the second window 213 such that an edge of the first window 211 is located a predetermined distance from an edge of the second window 213. The upper surface of the edge portion of the second window 213 having the edge extended outward beyond the edge of the first window 211 at the lower portion of the first window 211 and the upper surface of the edge portion of the first window 211, Thereby forming a stepped portion 215 to which the fixed portion 101a is engaged. A portion of the fixing portion 101a is seated on the stepped portion and the lower surface of the fixing portion 101a of the front case 101 is in contact with the window panel 210. The window panel 210, A touch panel 230 attached to the lower part of the panel 210 with a light transmitting resin R and a display panel 250 bonded with a light transmitting resin R under the touch panel 230 are pressed downward.

The fixing part 101a engages with the step 215 formed by the first window 211 and the second window 213 to connect the plurality of panels included in the display part 200 to the front case 101, it is not necessary to have a wide adhesive region as in the prior art, and the portion of the fixing portion 101a contacting the step portion 215 is less in area than the adhesive region according to the prior art, It is possible to obtain a firm fixing force. For example, in order to firmly fix the window panel 210 to the front case 101 in the mobile terminal according to the related art, an adhesive area of about 1.3 mm to 2 mm is required. However, in the mobile terminal according to the present invention, The area in which the portion 101a contacts the step 215 of the second window 213 is 0.2 mm to 0.3 mm.

The first window 211 and the second window 213 may be made of plastic or glass.

The touch panel 230 may be formed of an ITO panel or an ITO film. Preferably, the touch panel 230 may be formed of a flexible transparent conducting film having high electrical conductivity and high ductility.

On the inner surface of the front case 101, a sealing portion 280 is provided below the fixing portion 101a. Specifically, the side surface of the second window 213 and / or the side surface of the touch panel 230 and the inner surface of the front case 101, which are positioned below the fixing portion 101a, are filled with taping or resin, Thereby forming a part 280. That is, the sealing portion 280 may be formed by taping at least one side surface of the second window and the side surface of the touch panel, or at least one side surface of the side surface of the second window and the side surface of the touch panel, And an adhesive resin filled between inner surfaces of the front case.

The sealing portion 280 surely prevents foreign matter such as moisture and dust from penetrating into the body of the mobile terminal, and at the same time acts as an adhesive to improve the fixing force between the display portion and the front case.

According to the present embodiment, a plurality of panels included in the display unit 200 are adhered to each other with a light-transmitting adhesive, and at the same time, a pressing force in a downward direction is received from the fixing portion 101a of the front case 101, Can be prevented from being peeled off from each other. Further, since the length of the fixing portion 101a can be formed smaller than the length of the bonding region according to the conventional technique, the bezel region BZ can be reduced, and as a result, the viewing region can be expanded. In addition, since the fixed portion 101a and the step 215 of the second window 213 are engaged and connected to each other (i.e., the lower surface of the fixing portion 101a and the edge surface of the second window 213 are in close contact with each other, It is possible to prevent foreign matter from penetrating into the main body of the mobile terminal.

Preferably, the light transmitting resin may be an OCA (Optical Clean Adhesive) film or a SVR (Super View Resin).

It is to be understood that the configurations and methods of the above-described embodiments (mobile terminal 100) having the above-described (name) can be applied to a limited number of embodiments, All or a part of the above-described elements may be selectively combined.

100: mobile terminal 101: front case
101a: Fixing portion 200: Display portion
210: window panel 230: touch panel
250: Display panel

Claims (14)

A display panel including a window panel, a display panel disposed below the window panel, and a touch panel disposed between the window panel and the display panel; And
A front case surrounding the side of the display unit; And
And a sealing part covering the display part and the front case frame,
Wherein the display unit has a stepped portion at an upper edge of the display unit,
The front case has a fixing part for fixing the window panel and the display panel to the terminal body by engaging with the stepped part,
The seal
And an adhesive resin which is positioned under the fixing portion and is formed by taping at least one side surface of the window panel and the side surface of the touch panel or is filled between the side surface and the front case. delete delete The method according to claim 1,
The window panel
A first window and a second window coupled to a lower surface of the first window,
Wherein the stepped portion is formed by a portion of an edge of the first window side and an upper surface of the second window. 5. The method of claim 4,
Wherein the first window is coupled to the second window such that an edge of the first window is located a predetermined distance from an edge of the second window. delete The method according to claim 1,
Wherein the touch panel is one of an ITO panel, an ITO film, and a transparent conductive film. The method according to claim 1,
Wherein the stepped portion is formed by a side surface of the window panel and a portion of an edge of the upper surface of the touch panel. 9. The method of claim 8,
Wherein the window panel is coupled to the touch panel such that an edge of the window panel is positioned a predetermined distance from an edge of the touch panel. 9. The method of claim 8,
Wherein the touch panel is an ITO panel. The method according to any one of claims 1, 4, 5, and 7 to 10,
Wherein the panels included in the display are coupled to each other with a light transmitting resin.
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