KR20120131416A - Mobile terminal - Google Patents

Abstract

PURPOSE: A portable terminal is provided to prevent a portable terminal from receiving foreign substances by reducing a bezel area in a display unit. CONSTITUTION: A display unit(200) includes a display panel(250) and a window panel(210). A front case(101) accepts the display unit. An upper end of the display unit includes a stepped unit(215). A fixing unit(101a) of the front case is coupled with the stepped unit. The fixing unit fixes the window panel and the display panel on a terminal body. A touch panel is arranged between the window panel and the display panel.

Description

[0001] MOBILE TERMINAL [0002]

The present invention relates to a mobile terminal, and more particularly, to a mobile terminal capable of expanding a field of view of a display unit and at the same time preventing the panels included in the display unit from being separated 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.

Recently, a display unit, which is an output unit for displaying visual information in such a terminal, is generally composed of a plurality of panels. In a mobile terminal according to the related art, a plurality of panels of the display unit are fixed to a case of a mobile terminal. need. Such a wide adhesive area becomes a bezel area for removing a viewing area substantially provided with visual information in the display unit, thereby reducing the viewing area of the display unit. 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 by an adhesive, the adhesive force between the plurality of panels is weakened according to an external environment such as temperature and humidity, so that the plurality of panels are separated from each other. There was this. In addition, in the mobile terminal according to the related art, a gap occurs due to an assembly tolerance between the plurality of panels and the case included in the display unit, and there is a problem in that foreign matter accumulates between the gaps.

An object of the present invention is to provide a mobile terminal that can solve the problems according to the prior art.

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

It is also an object of the present invention to provide a mobile terminal capable of preventing the plurality of panels included in the display unit from being peeled off from each other.

It is also an object of the present invention to provide a mobile terminal that can prevent foreign matter from penetrating into the 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 below the window panel; And a front case accommodating the display unit, wherein the display unit has a stepped portion at an upper edge of the display unit, and the front case is engaged with the stepped portion to secure the window panel and the display panel to the terminal body. It is a mobile terminal having a government.

According to the problem solving means of the present invention, the present invention has the effect of reducing the bezel area in the display unit to expand the viewing area. In addition, the present invention has the effect of preventing the plurality of panels included in the display unit from being peeled off from each other. 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 unit 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 a 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 exemplary embodiment of the present invention.
6 is a schematic cross-sectional view of a display unit and a front case according to a third exemplary 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), and navigation. 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. In addition, in the present specification, the forward or front direction means a direction toward an upper portion or an upper portion of the mobile terminal, and the rear or rear direction means a direction toward a lower portion or a 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 a broadcast signal 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, it may exist in the form of Electronic Program Guide (EPG) of Digital Multimedia Broadcasting (DMB) or Electronic Service Guide (ESG) of Digital Video Broadcast-Handheld (DVB-H).

The broadcast receiving module 111 may include, for example, Digital Multimedia Broadcasting-Terrestrial (DMB-T), Digital Multimedia Broadcasting-Satellite (DMB-S), Media Forward Link Only (MediaFLO), and Digital Video Broadcast (DVB-H). Digital broadcast signals can be received using digital broadcasting systems such as Handheld and Integrated Services Digital Broadcast-Terrestrial (ISDB-T). 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. Wireless Internet technologies may include Wireless LAN (Wi-Fi), Wireless Broadband (Wibro), World Interoperability for Microwave Access (Wimax), High Speed Downlink Packet Access (HSDPA), and the like.

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 call 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 pressure / capacitance), 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 may sense whether the slide phone is opened or closed. In addition, whether the power supply unit 190 is supplied with power, whether the interface unit 170 is coupled to the external device may be sensed. The sensing unit 140 may include a proximity sensor 141.

The output unit 150 is used to generate an output related to sight, hearing, or tactile sense, and includes a display unit 200, an audio output module 152, an alarm unit 153, and a haptic module 154. Can be.

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 includes a liquid crystal display (LCD), a thin film transistor-liquid crystal display (TFT LCD), an organic light-emitting diode (OLED), and a flexible display (flexible). and at least one of 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 configured as a light transmissive structure. With this structure, the user can see the 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 implementation form of the mobile terminal 100. For example, the plurality of display units 200 may be spaced apart or integrally disposed on one surface of the mobile terminal 100, or may be disposed on different surfaces.

When the display unit 200 and a sensor for detecting a touch operation (hereinafter, referred to as a “touch sensor”) form a mutual layer structure (hereinafter, referred to as a “touch screen” or a “touch panel”), the display unit 200 ) 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 pressure applied to a specific portion of the display unit 200 or capacitance generated at 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. As a result, the controller 180 can know which area of the display 200 is touched.

Referring to FIG. 1, a proximity sensor 141 may be disposed in an inner region of a mobile terminal surrounded by the touch screen or near 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 allowing the pointer to be recognized without being in contact with the touch screen so that the pointer is located on the touch screen is referred to as a "proximity touch", and the touch The act of actually touching the pointer on the screen is called "contact touch." 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 sound 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, a call mode or a recording mode, a voice recognition mode, a broadcast reception mode, and the like. 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 also be output through the display unit 200 or the audio output module 152, so that they may be classified as 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 vibration generated by the haptic module 154 can be controlled. For example, different vibrations may be synthesized and output or sequentially output.

In addition to vibration, the haptic module 154 may be configured to provide a pin array that vertically moves with respect to the contact skin surface, a jetting force or suction force of air through an injection or inlet port, grazing to the skin surface, contact of an electrode, electrostatic force, and the like. Various tactile effects can be generated, such as effects by the endothermic and the reproduction of a sense of cold using the elements capable of endotherm or heat generation.

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.

The interface unit may be a passage through which power from the cradle is supplied to the mobile terminal 100 when the mobile terminal 100 is connected to an external cradle, or various command signals input from the cradle by a user may be transferred. It may be a passage that is delivered 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 an external power source and an internal power source under the control of the controller 180 to supply power for operation of each component.

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 further disposed between the front case 101 and the rear case 102.

The cases may be formed by injecting synthetic resin or may be formed of a metal material, for example, a metal material such as stainless steel (STS) or titanium (Ti).

The display body 200, the audio output unit 152, the camera 121, the user input unit 130/131, 132, the microphone 122, the interface 170, etc. may be disposed in the terminal body, mainly the front case 101. have.

The display unit 200 occupies most of the main surface of the front case 101. The sound output unit 151 and the camera 121 are disposed in regions adjacent to one end of both ends of the display unit 200, and the user input unit 131 and the microphone 122 are disposed in regions adjacent to the other end. The user input unit 132 and the interface 170 may be disposed on 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 manipulation units 131 and 132 may also be collectively referred to as manipulating portions, and may be employed in any manner as long as the user operates the tactile manner with a tactile feeling.

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 a command such as start, end, scroll, and the like, and the second operation unit 132 adjusts the volume of the sound output from the sound output unit 152 or the display unit 200. Command), such as switching to the touch recognition mode.

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

Referring to FIG. 2B, a camera 121 ′ may be additionally mounted on the rear side 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 further 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 embedded in the terminal body or may be directly detachable from the outside of the terminal body.

The rear case 102 may further be equipped with a touch pad 135 for sensing a touch. Like the display unit 200, the touch pad 135 may also be configured to have a light transmission type. In this case, if the display 200 is configured to output visual information from both sides, the visual information may be recognized through the touch pad 135. 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 a touch screen may also be disposed on the rear case 102.

The touch pad 135 operates in association with the display unit 200 of the front case 101. The touch pad 135 may be disposed in 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 or more of the above-described components will be described. Prior to the description of the mobile terminal according to the present invention, the mobile terminal according to the related art will be described in brief. Shall be.

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

As shown in FIG. 3, a mobile terminal according to the related art includes a window panel 1, a display panel 5 bonded to a lower portion of the window panel 1 with a light transmissive resin R, and the window panel 1. And a front case 7 disposed on a side of the display panel 5 to accommodate the window panel 1 and the display panel 5.

In this case, the window panel 1 is adhesively fixed to the front case 7 so that the window panel 1 has a wide range of adhesive areas in order to securely fix the window panel 1 to the front case 7. Is formed in the edge region. The display panel 5 is not disposed below the adhesive area, and thus the bezel area BZ from which the viewing area is removed. In addition, since the window panel and the display panel 5 are bonded with the light-transmissive resin (R), the display panel 5 and the window panel (by the external environment such as temperature and humidity in the manufacturing process or temperature and humidity in use) There was a problem that the phenomenon 1) is peeled off each other. In addition, foreign matter such as moisture or dust easily penetrates between the side surface of the window panel 1 and the front case 7 due to assembly tolerances. There was a risk of electronic penetration in the mobile terminal if this penetration occurred. 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, window panel, touch panel, display panel, etc.) constituting the display unit to the front case. have.

Specifically, the mobile terminal according to the present invention, a display unit including a window panel and a display panel disposed below the window panel; And a front case accommodating the display unit, wherein the display unit has a stepped portion at an upper edge of the display unit, and the front case is engaged with the stepped portion to secure the window panel and the display panel to the terminal body. It is characterized by having a government.

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

4 is a schematic cross-sectional view of the display unit 200 and the 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 accommodating the display unit 200.

The display unit 200 includes a window panel 210; A touch bonded to a lower portion of the window panel 210 by a light transmissive resin R, and outputting 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 visual information toward the window panel 210. At this time, in this embodiment, the touch panel 230 may be omitted. In addition, the display unit 200 may include a stepped portion 215 having a step shape on an upper edge of the display unit.

The front case 101 accommodates the window panel 210, the touch panel 230, and the display panel 250. In addition, the front case 101 may be provided with a fixing portion 101a which is engaged with the stepped portion provided on the display unit to fix the window panel, the touch panel and the display panel to the terminal body. The fixing part 101a of the front case 101 acts on the stepped part 215 of the display unit 200 from the upper side to the lower side by pressing the window panel, the touch panel 230 and the display panel 250. ) To the terminal body.

The fixing part 101a extends in the inward direction in which the window panel 210 is accommodated at the end of the side part of the front case 101. That is, the fixing portion 101a forms a "-" shape with the side 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 in the lower direction in this embodiment.

The window panel 210 has a stepped portion 215 into which the fixing portion 101a is engaged with an upper edge thereof. That is, a part of the fixing part 101a is seated on the stepped part 215, and a lower surface of the fixing part 101a of the front case 101 contacts with the window panel 210 and the window panel 210. The touch panel 230 adhered to the lower portion of the touch panel 230 with the light transmissive resin R and the display panel 250 adhered to the lower portion of the touch panel 230 with the light transmissive resin R are pressed downward.

Here, the fixing portion 101a is engaged with the stepped portion 215 provided in the window panel 210 to fix the plurality of panels included in the display 200 to the front case 101 in a mechanical structure. As in the prior art, a wide bonding area is unnecessary, and a portion where the fixing portion 101a is in contact with the stepped portion 215 may obtain a firm fixing force in the mobile terminal even with a smaller area than the adhesive area according to the prior art. For example, in order to fix the window panel 210 firmly to the front case 101 in the conventional mobile terminal, an adhesive area of about 1.3 mm to 2 mm is required, but in the mobile terminal according to the present invention, 0.2 mm to 0.3 mm is sufficient for the region where the step 101a contacts the stepped portion 215 of the window panel 210.

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

The touch panel 230 may be made 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.

The sealing part 280 is provided below the fixing part 101a at the inner side surface of the front case 101. The sealing unit 280 may be taped or filled with resin between the side surface of the window panel 210 and / or the side surface of the touch panel 230 and the inner surface of the front case 101 positioned below the fixing portion 101a. To form. That is, the sealing part 280 is formed by taping at least one side of the side of the window panel and the side of the touch panel, or at least one side of the side of the window panel and the side of the touch panel and the front case. It may be composed of an adhesive resin filled between the inner side of the.

The sealing unit 280 reliably prevents foreign substances such as moisture or dust from penetrating into the main body of the mobile terminal, and at the same time serves as an adhesive to improve the fixing force between the display unit and the front case.

According to the present exemplary embodiment, the plurality of panels included in the display unit 200 are bonded to each other with a light-transmitting adhesive, and at the same time, the panel is subjected to an external environment by receiving a downward pressure from the fixing unit 101a of the front case 101. They can be prevented from peeling off each other. In addition, since the length of the fixing part 101a may be smaller than the length of the adhesive region according to the related art, the bezel area BZ may be reduced, and consequently, the viewing area may be expanded. In addition, since the fixing portion 101a and the stepped portion 215 of the window panel 210 are engaged with each other (that is, the lower surface of the fixing portion 101a and the surface of the stepped portion come into close contact with each other), the inside of the main body of the mobile terminal. This can prevent foreign matter from penetrating.

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

The display unit 200 includes a window panel 210; A touch bonded to a lower portion of the window panel 210 by a light transmissive resin R, and outputting 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 visual information toward the window panel 210. In addition, the display unit 200 may include a stepped portion 235 having a step shape at an upper edge of the display unit.

 The front case 101 accommodates the window panel 210, the touch panel 230, and the display panel 250. In addition, the front case 101 may be provided with a fixing portion 101a which is engaged with the stepped portion provided on the display unit to fix the window panel, the touch panel and the display panel to the terminal body. The fixing part 101a of the front case 101 applies a pressing force from the upper part to the lower part of the step 235 of the display part 200 to the window panel, the touch panel 230 and the display panel 250. ) To the terminal body.

The fixing part 101a extends in the inward direction in which the window panel 210 is accommodated at the end of the side part of the front case 101. That is, the fixing portion 101a forms a "-" shape with the side 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 in the lower direction in this embodiment.

As shown in FIG. 5, the window panel 210 is coupled to the touch panel 230 such that the edge of the window panel 210 is positioned inwardly by a distance from the edge of the touch panel 230. That is, the upper surface of the edge portion of the touch panel 230 and the side surface of the window panel 210 having lower edges of the window panel 210 extending outward than the edges of the window panel 210 are fixed parts. The stepped portion 235 to which the 101a is engaged is formed. Here, a part of the fixing part 101a is seated on the stepped part 235, and a lower surface of the fixing part 101a of the front case 101 contacts and transmits the light-transmissive resin R to the lower part of the window panel 210. ) Presses the touch panel 230 adhered to the touch panel 230 and the display panel 250 adhered to the lower portion of the touch panel 230 in the downward direction.

Here, the fixing part 101a is engaged with the stepped part 235 formed by the window panel 210 and the touch panel 230, and the front case 101 includes a plurality of panels included in the display part 200. Since it is fixed by a mechanical structure, a large bonding area is unnecessary as in the prior art, and the portion where the fixing portion 101a abuts against the stepped portion 235 is firm in the mobile terminal even with a smaller area than the adhesive area according to the prior art. Can obtain a fixed force. For example, in order to fix the window panel 210 firmly to the front case 101 in the conventional mobile terminal, an adhesive area of about 1.3 mm to 2 mm is required, but in the mobile terminal according to the present invention, 0.2 mm to 0.3 mm is sufficient for the area where the top portion 101a is in contact with the stepped portion 235 of the window panel 210.

In the present embodiment, since the touch panel 230 receives downward pressure from the fixing portion 101a, the touch panel 230 is preferably composed of an ITO panel having a predetermined thickness rather than a thin film ITO film or a flexible transparent conductive film.

The sealing part 280 is provided below the fixing part 101a at the inner side surface of the front case 101. Specifically, the sealing unit 280 is formed by taping or filling resin on the side of the touch panel 230 positioned below the fixing unit 101a. That is, the sealing part 280 is formed by taping at least one side of the side of the window panel and the side of the touch panel, or at least one side of the side of the window panel and the side of the touch panel and the front case. It may be composed of an adhesive resin filled between the inner side of the.

The sealing unit 280 reliably prevents foreign substances such as moisture or dust from penetrating into the main body of the mobile terminal, and at the same time serves as an adhesive to improve the fixing force between the display unit and the front case.

According to the present exemplary embodiment, the plurality of panels included in the display unit 200 are bonded to each other with a light-transmitting adhesive, and at the same time, the panel is subjected to an external environment by receiving a downward pressure from the fixing unit 101a of the front case 101. They can be prevented from peeling off each other. In addition, since the length of the fixing part 101a may be smaller than the length of the adhesive region according to the related art, the bezel area BZ may be reduced, and consequently, the viewing area may be expanded. In addition, the stepped portion 235 and the fixed portion 101a formed by the window panel 210 and the touch panel 230 are connected to each other (that is, the bottom surface of the fixed portion 101a and the surface of the stepped portion (ie, touch). Since the upper surface of the edge portion of the panel 230 is 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 the display unit 200 and the front case 101 according to the 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 accommodating the display unit 200.

The display unit 200 includes a window panel 210; A touch bonded to a lower portion of the window panel 210 by a light transmissive resin R, and outputting 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 visual information toward the window panel 210. At this time, in this embodiment, the touch panel 230 may be omitted. In addition, the display unit 200 may include a stepped portion 215 having a step shape on an upper edge of the display unit.

 The front case 101 accommodates the window panel 210, the touch panel 230, and the display panel 250. In addition, the front case 101 may be provided with a fixing portion 101a that is engaged with the stepped portion 215 provided in the display unit to fix the window panel, the touch panel, and the display panel to the terminal body. The fixing part 101a of the front case 101 applies a pressing force from the upper part to the lower part to the step 215 of the display part 200 so that the window panel, the touch panel 230 and the display panel 250 are applied. ) To the terminal body.

The fixing part 101a extends in the inward direction in which the window panel 210 is accommodated at the end of the side part of the front case 101. That is, the fixing portion 101a forms a "-" shape with the side 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 second window 213 to be described later in this embodiment in the downward direction.

The window panel 210 includes a first window 211 and a second window 213 adhered to the lower portion of the first window 211 by the light transmissive 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 positioned inward by a predetermined distance from the edge of the second window 213. An upper surface of an edge portion of the second window 213 having an edge extending below the first window 211 and extending outward than an edge of the first window 211 and a side surface of the first window 211 The step portion 215 to which the fixing portion 101a is engaged is formed. Here, a portion of the fixing portion 101a is seated on the stepped portion, and a lower surface of the fixing portion 101a of the front case 101 contacts and thus the window panel 210 and the window below the window panel 210. The touch panel 230 adhered to the lower portion of the panel 210 with the light transmissive resin R, and the display panel 250 adhered to the lower portion of the touch panel 230 with the light transmissive resin R are pressed downward.

Here, the fixing part 101a is engaged with the stepped part 215 formed by the first window 211 and the second window 213, and the plurality of panels included in the display part 200 are provided with a front case ( Since it is fixed to the mechanical structure 101, a large bonding area is unnecessary as in the prior art, and the portion where the fixing portion 101a abuts against the stepped portion 215 has a smaller area than the adhesive area according to the prior art. A solid holding force can be obtained at. For example, in order to fix the window panel 210 firmly to the front case 101 in the conventional mobile terminal, an adhesive area of about 1.3 mm to 2 mm is required, but in the mobile terminal according to the present invention, 0.2 mm to 0.3 mm is sufficient for the area where the step 101a is in contact with the stepped portion 215 of the second window 213.

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

The touch panel 230 may be made 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.

The sealing part 280 is provided below the fixing part 101a at the inner side surface of the front case 101. Specifically, a tapering process or a resin is filled and sealed between 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. The part 280 is formed. That is, the sealing part 280 is formed by taping at least one side of the side of the second window and the side of the touch panel, or at least one side of the side of the second window and the side of the touch panel and the It may be composed of an adhesive resin filled between the inner surface of the front case.

The sealing unit 280 reliably prevents foreign substances such as moisture or dust from penetrating into the main body of the mobile terminal, and at the same time serves as an adhesive to improve the fixing force between the display unit and the front case.

According to the present exemplary embodiment, the plurality of panels included in the display unit 200 are bonded to each other with a light-transmitting adhesive, and at the same time, the panel is subjected to an external environment by receiving a downward pressure from the fixing unit 101a of the front case 101. They can be prevented from peeling off each other. In addition, since the length of the fixing part 101a may be smaller than the length of the adhesive region according to the related art, the bezel area BZ may be reduced, and consequently, the viewing area may be expanded. In addition, since the fixing portion 101a and the stepped portion 215 of the second window 213 are engaged with each other (that is, the lower surface of the fixing portion 101a and the edge surface of the second window 213 are in close contact with each other. Therefore, it is possible to prevent foreign matter from penetrating into the main body of the mobile terminal.

Preferably, the light transmissive resin may be an optical clean adhesive (OCA) film or a super view resin (SVR).

(Mobile terminal 100) having the (name) described above is not limited to the configuration and method of the embodiments described above, the embodiments are each embodiment so that various modifications can be made All or some of these may optionally be combined.

100: mobile terminal 101: front case
101a: fixing part 200: display part
210: window panel 230: touch panel
250: display panel

Claims (14)

A display unit including a window panel and a display panel disposed below the window panel; And
A front case accommodating the display unit;
The display unit has a stepped portion at an upper edge of the display unit, and the front case is provided with a fixing portion for engaging the stepped portion to secure the window panel and the display panel to the terminal body. The method of claim 1,
The step portion is a mobile terminal, characterized in that formed on the edge of the upper surface of the window panel. The method of claim 1,
The window panel includes a first window and a second window coupled to a lower portion of the first window. The method of claim 3,
The step portion is a mobile terminal, characterized in that formed by the edge portion of the upper surface of the first window side and the second window. 5. The method of claim 4,
And the first window is coupled to the second window such that an edge of the first window is located inward from the edge of the second window by a predetermined distance. The method of claim 1,
The display unit further comprises a touch panel disposed between the window panel and the display panel. The method according to claim 6,
The touch panel is a mobile terminal, characterized in that one of the ITO panel, ITO film and transparent conductive film. The method according to claim 6,
The step portion is a mobile terminal, characterized in that formed by the edge portion of the side of the window panel and the upper surface of the touch panel. 9. The method of claim 8,
The window panel may be coupled to the touch panel such that the edge of the window panel is positioned inwardly by a predetermined distance from the edge of the touch panel. 9. The method of claim 8,
The touch panel is a mobile terminal, characterized in that the ITO panel. 11. The method according to any one of claims 1 to 10,
The panels included in the display are coupled to each other by a light transmitting resin. 11. The method according to any one of claims 1 to 10,
Mobile terminal, characterized in that the sealing portion is provided on the lower side of the inner side of the front case. The method of claim 12,
The sealing unit is a mobile terminal, characterized in that formed by taping at least one side of the side of the window panel and the side of the touch panel. The method of claim 12,
The sealing unit is a mobile terminal, characterized in that the adhesive resin is filled between at least one of the side of the window panel and the side of the touch panel and the inner surface of the front case.

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