Hereinafter, the mobile terminal 100 according to the present invention will be described in more detail with reference to the drawings. The suffixes "module" and "unit" for components used in the following description are given or used in consideration of ease of specification, and do not have distinct meanings or roles from each other.
The mobile terminal 100 described herein includes a mobile phone, a smart phone, a notebook computer, a digital broadcasting terminal, a personal digital assistant (PDA), a portable multimedia player (PMP), navigation, and the like. do.
1 is a block diagram of a mobile terminal 100 according to an embodiment of the present invention. With reference to FIG. 1, a mobile terminal 100 according to an embodiment of the present invention will be described in terms of components according to functions.
Referring to FIG. 1, the mobile terminal 100 according to an embodiment of the present invention includes a wireless communication unit 110, an A / V input unit 120, a user input unit 130, and a sensing unit 140. ), An output unit 150, a memory 160, an interface unit 170, a controller 180, and a power supply unit 190. Such components may be configured by combining two or more components into one component, or by dividing one or more components into two or more components as necessary when implemented in an actual application.
The wireless communication unit 110 may include one or more modules that enable wireless communication between the mobile terminal 100 and the wireless communication system or between the mobile terminal 100 and a network in which the mobile terminal 100 is located. For example, the wireless communication unit 110 may include an antenna 105, a broadcast receiving module 111, a mobile communication module 113, a wireless internet module 115, a short range communication module 117, and a GPS module 119. And the like.
The broadcast receiving module 111 receives at least one of a broadcast signal and broadcast related information from an external broadcast management server through a broadcast channel. In this case, the broadcast channel may include a satellite channel, a terrestrial channel, and the like. The broadcast management server may refer to a server for generating and transmitting at least one of a broadcast signal and broadcast related information and a server for receiving at least one of the generated broadcast signal and broadcast related information and transmitting the broadcast signal to the terminal.
The broadcast related information may mean information related to a broadcast channel, a broadcast program, or a broadcast service provider. The broadcast signal may include not only a TV broadcast signal, a radio broadcast signal, and a data broadcast signal, but also a broadcast signal having a data broadcast signal combined with a TV broadcast signal or a radio broadcast signal. The broadcast related information may also be provided through a mobile communication network, and in this case, may be received by the mobile communication module 113. 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 receives broadcast signals using various broadcast systems, and in particular, digital multimedia broadcasting-terrestrial (DMB-T), digital multimedia broadcasting-satellite (DMB-S), and media forward link only (MediaFLO). ), Digital broadcast signals may be received using digital broadcasting systems such as DVB-H (Digital Video Broadcast-Handheld) and ISDB-T (Integrated Services Digital Broadcast-Terrestrial). In addition, the broadcast receiving module 111 may be configured to be suitable for all broadcast systems providing broadcast signals as well as such digital broadcast systems. 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 113 transmits and receives a radio signal with at least one of a base station, an external terminal, and a server on a mobile communication network. Here, the wireless signal may include various types of data according to voice call signal, video call signal, or text / multimedia message transmission and reception.
The wireless internet module 115 refers to a module for wireless internet access. The wireless internet module 115 may be embedded or external 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 117 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 the short distance communication technology.
The GPS (Global Position System) module 119 is a module for obtaining the position of the mobile terminal 100 and receives position information from a plurality of GPS satellites.
The antenna 105 is a communication device for receiving radio waves or signals received by the mobile terminal 100. The antenna 105 may be provided with a plurality of antennas each receiving DMB broadcast radio waves, wireless Internet or near field communication radio waves, or GPS radio waves in addition to mobile communication radio waves for phone calls. The antenna 105 may be provided inside or outside the mobile terminal 100 and may be a device capable of receiving radio waves or signals transmitted from the outside regardless of its name.
The 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 123. 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 may be displayed on the display unit 151.
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. The camera 121 may be equipped with two or more cameras according to the configuration of the terminal.
The microphone 123 receives an external sound signal by a microphone in a call mode, a recording mode, a voice recognition mode, etc., and processes the external sound signal into 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 113 and output when the voice data is in the call mode. The microphone 123 may use various noise removing algorithms for removing noise generated in the process of receiving an external sound signal.
The user input unit 130 generates key input data input by the user for controlling the operation of the terminal. The user input unit 130 may include a key pad 151-5, a dome switch, a touch pad 151-5 (static pressure / capacitance), a jog wheel, a jog switch, a finger mouse, and the like. Can be. In particular, when the touch pad 151-5 forms a mutual layer structure with the display unit 151 described later, this may be referred to as a touch screen.
The sensing unit 140 detects the current state of the mobile terminal 100 such as the open / closed state of the mobile terminal 100, the position of the mobile terminal 100, the presence or absence of user contact, and the like to control the operation of the mobile terminal 100. Generate a sensing signal. For example, when the mobile terminal 100 is a slide type, it may sense whether the mobile terminal 100 is opened or closed. In addition, it may be responsible for sensing functions related to whether the power supply unit 190 is supplied with power, whether the interface unit 170 is coupled to an external device, and the like.
The sensing unit 140 may include a proximity sensor 141. The proximity sensor 141 may detect the presence or absence of an approaching object or an object present in the vicinity without mechanical contact. The proximity sensor 141 may detect a proximity object by using a change in an alternating magnetic field or a change in an electromagnetic field, or by using a change rate of capacitance. Examples of the proximity sensor 141 include a transmission photoelectric sensor, a direct reflection photoelectric sensor, a mirror reflection photoelectric sensor, a high frequency oscillation proximity sensor, a capacitive proximity sensor, a magnetic proximity sensor, and an infrared proximity sensor. Two or more proximity sensors 141 may be provided according to the configuration aspect.
The sensing unit 140 may include a gyro sensor 142. The gyroscope 142 is a concept including a sensor, an inertial sensor, and an acceleration sensor for detecting a movement of an object using a gyroscope. Gyroscopes include mechanical gyroscopes, ring laser gyroscopes, and fiber optic gyroscopes. The gyro sensor 142 detects the movement of the mobile terminal 100 and provides a signal for controlling the mobile terminal 100.
The sensing unit 140 may include a gravity sensor 143. The gravity sensor 143 is a concept including all kinds of sensors for detecting the rotation state of the mobile terminal (100). The gravity sensor 143 connects the weight to the variable resistor and detects the current state of rotation of the terminal by the change of resistance according to the rotation, or places the conductive object in the center, and corresponds to the direction in which the conductive object is in contact with the rotation. The rotation state can be detected.
The output unit 150 is for outputting an audio signal, a video signal, or an alarm signal. The output unit 150 includes a display unit 151, an audio output module 153, an alarm unit 155, a haptic module 157, and the like. This may be included.
The display unit 151 displays and outputs information processed by the mobile terminal 100. For example, when the mobile terminal 100 is in a call mode, the mobile terminal 100 displays a user interface (UI) or a graphic user interface (GUI) related to the call. When the mobile terminal 100 is in a video call mode or a photographing mode, the mobile terminal 100 may display the captured or received images, respectively, or simultaneously, and display the UI and the GUI.
Meanwhile, as described above, when the display unit 151 and the touch pad 151-5 have a mutual layer structure and constitute a touch screen, the display unit 151 may be used as an input device in addition to the output device. If the display unit 151 is configured as a touch screen, the display unit 151 may include a touch screen panel, a touch screen panel controller, and the like. In this case, the touch screen panel is a transparent panel attached to the outside and may be connected to the internal bus of the mobile terminal 100.
The touch screen panel may be configured to convert a change in pressure applied to a specific portion of the display unit 151 or capacitance generated in a specific portion of the display unit 151 into an electrical input signal. The touch screen panel may be configured to detect not only the touched position and area but also the pressure at the touch.
The touch screen panel keeps an eye on the contact result and sends corresponding signals to the touch screen panel controller when there is a touch input. The touch screen panel controller processes the signals and then transmits the corresponding data to the controller 180 so that the controller 180 can know whether there is a touch input and which area of the touch screen has been touched.
In addition, the display unit 151 may include a liquid crystal display, a thin film transistor-liquid crystal display, an organic light-emitting diode, a flexible display, and a three-dimensional display. It may include at least one of the display (3D display).
Some of these displays can be configured to be transparent or light transmissive so that they can be seen from the outside. This may be referred to as a transparent display. A representative example of the transparent display is TOLED (Transparent OLED). The rear structure of the display unit 151 may also be configured as a light transmissive structure. By this structure, the user can see the object located behind the terminal body through the area occupied by the display unit 151 of the terminal body.
Two or more display units 151 may exist according to the implementation form of the mobile terminal 100. For example, an external display unit (not shown) and an internal display unit (not shown) may be simultaneously provided in the mobile terminal 100.
The audio output module 153 outputs 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, In addition, the sound output module 153 outputs a sound signal related to a function performed in the mobile terminal 100, for example, a call signal reception sound and a message reception sound. The sound output module 153 may include a receiver, a speaker, a buzzer, and the like.
The alarm unit 155 outputs a signal for notifying occurrence of an event of the mobile terminal 100. Examples of events occurring in the mobile terminal 100 include call signal reception, message reception, key signal input, and the like. The alarm unit 155 outputs a signal for notifying occurrence of an event in a form other than an audio signal or a video signal. For example, the signal may be output in the form of vibration. The alarm unit 155 may output a signal for notifying when a call signal or a message is received. In addition, when the key signal is input, the alarm unit 155 may output the signal as a feedback to the key signal input. The user may recognize the occurrence of an event through the signal output from the alarm unit 155. Of course, the signal for event occurrence notification may be output through the display unit 151 or the sound output module 153.
The haptic module 157 generates various haptic effects that a user can feel. A representative example of the haptic effect generated by the haptic module 157 is a vibration effect. When the haptic module 157 generates vibration by the tactile effect, the intensity and pattern of the vibration generated by the haptic module 157 may be converted, and may be output by synthesizing different vibrations or sequentially.
In addition to the vibration, the haptic module 157 is not only caused by vibration, but also by stimulation by an arrangement of pins vertically moving with respect to the contact skin surface. Various tactile effects can be generated, such as effects of stimulation through contact of electrodes, effects of stimulation using electrostatic force, and effects of reproducing cold and cold feeling using elements capable of endotherm or heat generation. The haptic module 157 may not only deliver the haptic effect through direct contact, but also implement the haptic effect through the muscles of the user's finger or arm. The haptic module 157 may be provided with two or more according to the configuration aspect of the mobile terminal 100.
The memory 160 may store a program for processing and controlling the controller 180 and may provide a function for temporarily storing input or output data (for example, a phone book, a message, a still image, a video, etc.). It can also be done.
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), RAM (Random Access Memory, RAM), Static Random Access Memory (SRAM), Read-Only Memory (ROM), Electrically Erasable Programmable Read-Only Memory (EEPROM), Programmable Read-Only Memory (PROM), Magnetic Memory, Magnetic It may include a storage medium of at least one type of disk, optical disk. In addition, the mobile terminal 100 may operate in association with a web storage that performs a storage function of the memory 150 on the Internet.
The interface unit 170 serves as an interface with all external devices connected to the mobile terminal 100. Examples of external devices connected to the mobile terminal 100 include a wired / wireless headset, an external charger, a wired / wireless data port, a memory card, a memory socket such as a SIM / UIM card, and an audio I / O (Input). / Output) terminal, video I / O (Input / Output) terminal, earphone, and the like. The interface unit 170 may receive data from the external device or receive power and transfer the data to each component inside the mobile terminal 100, and may transmit the data inside the mobile terminal 100 to the external device. .
When the mobile terminal 100 is connected to an external cradle, the interface unit 170 serves as a passage through which power from the cradle is supplied to the mobile terminal 100, or various command signals input from the cradle by a user. May be a passage that is delivered to the mobile terminal 100. Various command signals or power input from the cradle may be operated as signals for recognizing that the mobile terminal 100 is correctly mounted on the cradle.
The controller 180 typically controls the operation of each unit to control the overall operation of the mobile terminal 100. For example, perform related control and processing for voice calls, data communications, video calls, and the like. In addition, the controller 180 may include a multimedia playback module 181 for multimedia playback. The multimedia playback module 181 may be configured in hardware in the controller 180 or may be configured in software separately from the controller 180. The controller 180 may perform a pattern recognition process for recognizing a writing input or a drawing input performed on the touch screen as text and an image, 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 mobile terminal 100 related to the present invention has been described in terms of components according to functions. Hereinafter, referring to Figures 2 and 3, the mobile terminal 100 related to the present invention will be described in more detail in terms of the components according to the appearance. Hereinafter, for convenience of description, a bar type mobile terminal 100 having a front touch screen is described as an example among various types of mobile terminals such as a folder type, a bar type, a swing type, a slider type, and the like. However, the present invention is not limited to the bar type mobile terminal 100 but may be applied to all types of mobile terminals including the above-described type.
Figure 2 is a perspective view of the mobile terminal 100 according to an embodiment of the present invention from the front.
2, the case forming the exterior of the mobile terminal 100 is formed by the front case 100a and the rear case 100b. Various electronic components are embedded in the space formed by the front case 100a and the rear case 100b. At least one intermediate case may be additionally disposed between the front case 100a and the rear case 100b. Such cases may be formed by injecting synthetic resin, or may be formed to have a metal material such as stainless steel (STS) or titanium (Ti). In addition, the cases may be colored by deposition, plating or spraying.
In detail, the front case 100a may include a display unit 151, a first sound output module 153a, a first camera 121a, first to third user inputs 130a to 130b, and a microphone 123. Can be. The fourth to sixth user input units 130d to 130f and the first interface unit 170a may be disposed on the side surfaces of the rear case 100b.
The display unit 151 includes a liquid crystal display (LCD), organic light emitting diodes (OLED), and the like, which visually express information. Since the touch pad 151-5 is superimposed on the display unit 151 in a layer structure, the display unit 151 operates as a touch screen so that information input by a user's touch can be performed.
The first sound output module 153a may be implemented in the form of a receiver or a speaker. The first camera 121a may be implemented to be suitable for capturing an image or a video of a user or the like. The microphone 123 may be implemented in a form suitable for receiving a user's voice, other sounds, and the like.
The first to sixth user input units 130a to 130f may be collectively referred to as the user input unit 130, and any method may be employed as long as the user operates the tactile manner while giving a tactile feeling.
For example, the user input unit 130 may be implemented as a dome switch or a touch pad 151-5 that may receive a command or information by a user's push or touch manipulation, or a wheel or jog method or a joystick that rotates a key. It can also be implemented in a manner such as to operate. In functional terms, the first to third user input units 130a to 130c are for inputting commands such as start, end, call, etc., and the fourth to sixth user input units 130d to 130f may select an operation mode. It can act as a hot-key to activate special functions.
The first interface unit 170a is a passage through which the mobile terminal 100 can exchange data with an external device. The first interface unit 170a may be a card socket that accommodates an external card such as a subscriber identification module (SIM) or a user identity module (UIM) and a memory card for storing information.
3 is a rear perspective view of the mobile terminal 100 shown in FIG. 2. Referring to FIG. 3, the seventh user input unit 130g and the second interface unit 170b may be disposed on the side of the rear case 100b, and the second camera 121b may be disposed on the rear of the rear case 100b. May be additionally mounted.
The second camera 121b has a photographing direction substantially opposite to that of the first camera 121a, and may have different pixels from the first camera 121a. For example, in the case of a video call, the first camera 121a has a low pixel so that the user's face is photographed and transmitted to the other party, and the second camera 121b photographs a general subject and does not transmit it immediately. In many cases, it is desirable to have a high pixel.
A second sound output module (not shown) may be further disposed on the rear case 100b. The second sound output module may implement a stereo function together with the first sound output module 153a and may be used for a call in the speakerphone mode.
In addition, an antenna (not shown) for receiving a broadcast signal may be disposed at one side of the rear case 100b. The antenna may be installed to be pulled out from the rear case 100b.
The second interface unit 170b may be at least one or a combination of a power supply terminal for supplying power to the mobile terminal 100, a wired or wireless connection terminal for connecting to the earphone, a port for short-range communication, or a mobile terminal. .
One side of the rear case 100b is coupled to a power supply cover 191 for mounting the power supply unit 190 for supplying power to the mobile terminal 100. The power supply unit 190 may be, for example, a rechargeable battery, and may be detachably coupled to the rear case 100b by opening the power supply unit cover 191 for charging or the like.
4 is an exploded perspective view taken along line II ′ of FIG. 2, and FIG. 5 is a coupling view of FIG. 4.
4 and 5, the mobile terminal 100 according to an embodiment of the present invention, the liquid crystal display device module 151-1, the visual information is displayed, the groove (H) is formed on the edge of the liquid crystal A window 151-2 for protecting the display device module 151-1 and a deco 151 that contacts the upper side of the groove H to press the window 151-2 toward the liquid crystal display module 151-1. -3). In addition, the bracket 151-4 for accommodating the liquid crystal display module 151-1, and the window 151-2 and the bracket 151-4 are provided between the window 151-2 and the bracket 151-. 4) and a front case 100a for supporting the deco 151-3 and the bracket 151-4. An intermediate case 100c, a power supply unit 190, and a rear case 100b are provided below the bracket 151-4.
The front case 100a, the middle case 100c, and the rear case 100b form the exterior of the mobile terminal 100, and a deco 151-3 described later is provided inside the front case 100a. The front case 100a is formed to support the deco 151-3 and the bracket 151-4.
The liquid crystal display module 151-1 is one of the components constituting the display unit 151 displaying initial information and is one of the flat panel display devices. The liquid crystal display module 151-1 includes a liquid crystal display, a backlight, and the like. The liquid crystal display module 151-1 may include a liquid crystal display, a thin film transistor-liquid crystal display, an organic light-emitting diode, a flexible display, It may also include at least one of a 3D display.
The window 151-2 is provided above the liquid crystal display module 151-1 to protect the liquid crystal display module 151-1. The window 151-2 may be a general panel, a touch screen panel, or the like described above, and may be any device made of a transparent material that allows a user to recognize time stamp information displayed on the liquid crystal display module 151-1. Include.
A groove H is formed at an edge of the upper side of the window 151-2. The groove H is formed to be in contact with the deco 151-3 to be described later.
Deco 151-3 is in contact with the upper side of the groove (H). The deco 151-3 may be seated or firmly fixed to the upper side of the groove H. The deco 151-3 supported by the front case 100a pushes the window 151-2 toward the liquid crystal display module 151-1 by the front case 100a from the upper side of the groove H. . The deco 151-3 presses the window 151-2 so that the window 151-2 and the liquid crystal display module 151-1 are lifted by the elastic force of the pad 151-5 described later. Can be prevented. This will be described later together with the pad 151-5.
Since the deco 151-3 contacts the upper side of the groove H to press and support the window 151-2, the width W of the groove H is not formed wide. That is, since the deco 151-3 contacts the groove H formed at the edge of the window 151-2 to support the window 151-2 and presses it downward, the width of the groove H formed at the edge ( W) is narrowly formed. Therefore, a narrow window bezel having a narrow width W may be implemented.
The deco 151-3 contacts the upper side of the groove H to press the pressing unit 151-3a and the window 151-2 to press the window 151-2 toward the liquid crystal display module 151-1. A coupling part 151-3c pressed against the front case 100a by contacting the supporting guide part 151-3b and the front case 100a is formed.
The pressing unit 151-3a is one side of the decor 151-3, and contacts the upper side of the groove H as described above to press the window 151-2 toward the liquid crystal display module 151-1. do. Since the length of the pressing unit 151-3a is short, the width W of the groove H is narrow, the narrow window bezel described above can be implemented.
The guide part 151-3b is an intermediate part of the decor 151-3, and supports the window 151-2 from moving sideways. The window 151-2 is stably supported by the guide part 151-3b without moving to both sides.
The coupling part 151-3c is a part in contact with the front case 100a. The front case 100a supports and couples the coupling parts 151-3c. When the coupling part 151-3c is pressed from the front case 100a, the pressing part 151-3a of the deco 151-3 is pressed together. Since the pressing unit 151-3a is pressed together from the front case 100a, the pressing unit 151-3a presses the window 151-2 toward the liquid crystal display module 151-1. The coupling part 151-3c and the bracket 151-4 may be integrally coupled by bolts (not shown) passing through the pad 151-5.
A lower portion of the liquid crystal display module 151-1 is provided with a bracket 151-4 for accommodating the liquid crystal display module 151-1. The bracket 151-4 is recessed to receive the liquid crystal display module 151-1 from the inside thereof, and the liquid crystal display module 151-1 is accommodated in the recessed portion.
The pad 151-5 is provided between the window 151-2 and the liquid crystal display module 151-1. The pad 151-5 fills the gap to prevent dust and other foreign matter from entering the gap between the window 151-2 and the liquid crystal display module 151-1. The pad 151-5 is formed of an elastic material compared to the window 151-2 or the liquid crystal display module 151-1, and includes the window 151-2 and the liquid crystal display module 151-1. Make sure they are in close contact. Due to the elastic force of the pad 151-5, the floating phenomenon of the window 151-2, in which the window 151-2 and the liquid crystal display module 151-1 are lifted, is generated. The 151-3 presses the window 151-2 toward the liquid crystal display module 151-1.
When the front case 100a presses the coupling part 151-3c of the deco 151-3 while the front case 100a supports the deco 151-3 and the bracket 151-4, The pressing unit 151-3a also presses the window 151-2 by the front case 100a. The window 151-2 and the bracket 151-4 press the pad 151-5, and the pad 151-5 is provided in the window 151-2 and the bracket 151-4. To be in close contact with the device module (151-1). At this time, the floating phenomenon due to the elastic force of the pad 151-5 is eliminated by pressing the deco 151-3.
In addition, the coupling part 151-3c and the bracket 151-4 may be integrally coupled by bolts (not shown) passing through the pad 151-5. In this case, the pressing unit 151-3a and the bracket 151-4 press the pads 151-5 upward and downward, so that the window 151-2 is lifted due to the elastic force of the pads 151-5. Can be prevented.
In addition, the mobile terminal 100 according to the present invention is not limited to the configuration and method of the embodiments described as described above, the embodiments are all or part of each embodiment so that various modifications can be made May be optionally combined.
In addition, although the preferred embodiment of the present invention has been shown and described above, the present invention is not limited to the specific embodiments described above, but the technical field to which the invention belongs without departing from the spirit of the invention claimed in the claims. Of course, various modifications can be made by those skilled in the art, and these modifications should not be individually understood from the technical spirit or the prospect of the present invention.
