KR20140136771A - Case for mobile terminal and mobile terminal having the same - Google Patents

Case for mobile terminal and mobile terminal having the same Download PDF

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Publication number
KR20140136771A
KR20140136771A KR20130057268A KR20130057268A KR20140136771A KR 20140136771 A KR20140136771 A KR 20140136771A KR 20130057268 A KR20130057268 A KR 20130057268A KR 20130057268 A KR20130057268 A KR 20130057268A KR 20140136771 A KR20140136771 A KR 20140136771A
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KR
South Korea
Prior art keywords
mobile terminal
unit
display unit
terminal
case
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Application number
KR20130057268A
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Korean (ko)
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KR102046353B1 (en
Inventor
정우영
이양원
Original Assignee
엘지전자 주식회사
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Priority to KR1020130057268A priority Critical patent/KR102046353B1/en
Publication of KR20140136771A publication Critical patent/KR20140136771A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C11/00—Receptacles for purposes not provided for in groups A45C1/00-A45C9/00
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C11/00—Receptacles for purposes not provided for in groups A45C1/00-A45C9/00
    • A45C2011/002—Receptacles for purposes not provided for in groups A45C1/00-A45C9/00 for portable handheld communication devices, e.g. mobile phone, pager, beeper, PDA, smart phone
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/16—Details of telephonic subscriber devices including more than one display unit
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/22—Details of telephonic subscriber devices including a touch pad, a touch sensor or a touch detector

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
  • Telephone Function (AREA)

Abstract

According to another aspect of the present invention, there is provided a terminal case comprising: a rear cover part detachable from a mobile terminal having a main display part; A front cover part which is foldably connected to the rear cover part and covers the front of the mobile terminal, which is coupled to the rear cover part; And a transparent part provided on the front cover part, wherein the transparent part is transparent and can display an image, a front touch part provided in front of the sub-display part, And a rear touch unit.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a mobile terminal having a terminal case,

The present invention relates to a terminal case that can be coupled to a mobile terminal and a mobile terminal including the terminal case.

A terminal can be divided into a mobile / portable terminal and a stationary terminal depending on whether the terminal is movable or not.

As the functions of the terminal are diversified, the terminal is implemented in the form of a multimedia device having a complex function of playing music, moving picture files, receiving games, and receiving broadcasts.

2. Description of the Related Art In recent years, various types of mobile terminal cases have been used to protect expensive mobile terminals having various functions such as smart phones.

The conventional mobile terminal case is provided in a form capable of covering the display unit to protect the display unit of the mobile terminal.

However, in order to perform the call function, there is a problem in that it is inconvenient to use such as opening a portion covering the display unit. In addition to the simple protection function, the mobile terminal cover itself can not perform any other function, It has a limit to bring it.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a case of a terminal capable of displaying images and touch input, and a mobile terminal having such a terminal case.

According to another aspect of the present invention, there is provided a terminal case comprising: a rear cover part detachable from a mobile terminal having a main display part; A front cover part which is foldably connected to the rear cover part and covers the front of the mobile terminal, which is coupled to the rear cover part; And a transparent part provided on the front cover part, wherein the transparent part is transparent and can display an image, a front touch part provided in front of the sub-display part, And a rear touch unit.

A mobile terminal according to an embodiment of the present invention includes a main body including a main display unit and a control unit for controlling operation of the main display unit; And a terminal case for detachably attaching the terminal body, wherein the terminal body includes a main body communication unit for transmitting and receiving signals to and from the terminal case, the terminal case covers the rear of the terminal body, And a case communicator for transmitting and receiving a signal to / from the control unit of the mobile terminal, wherein the transparent cover unit includes a transparent part formed to be transparent, a transparent cover part foldably coupled to the rear cover part, A sub-display unit which is capable of displaying an image and is formed in a transparent manner, a front touch unit provided in front of the sub-display unit, and a rear touch unit provided behind the sub-display unit.

According to the present invention, a transparent part is provided in a front part of a case to which a mobile terminal is coupled, so that a user can view an image displayed through a display part of the mobile terminal without opening the case, The touch input can be performed, and the convenience of the user is increased.

Particularly, by opening the case, the image can be displayed on both sides of the transparent portion of the case and the display portion of the mobile terminal side-by-side, thereby making it possible to use the mobile terminal more conveniently.

For example, the electronic book application can be used in a feeling similar to that of a real book, and a mirror call and an image call can be simultaneously performed with a communication partner. In addition, when the camera application is executed to photograph the user himself / herself (so-called self camera), the case is fully opened, the portion covering the front of the mobile terminal is positioned on the rear side of the mobile terminal, By touching the transparent part with the finger, the user can easily take a picture.

1 is an exploded perspective view illustrating a terminal case and a mobile terminal body according to an embodiment of the present invention.
2 is a schematic view illustrating a configuration of a front cover part of a terminal case according to an embodiment of the present invention.
3 is a perspective view illustrating a state in which a terminal case and a mobile terminal body according to an embodiment of the present invention are combined to close a front cover.
4 is a perspective view illustrating a state in which a front cover is opened by combining a terminal case and a mobile terminal body according to an embodiment of the present invention.
5 is a perspective view illustrating a state in which a terminal case and a mobile terminal body according to an embodiment of the present invention are coupled to each other and a front cover portion is completely bent backward.
6 is a block diagram schematically illustrating a mobile terminal according to an embodiment of the present invention.
7 is a flowchart illustrating an operation method of a mobile terminal according to an embodiment of the present invention.
FIG. 8 is a view illustrating a mobile terminal used as an electronic book according to an embodiment of the present invention.
9 is a diagram illustrating a mirror call of a mobile terminal and a user interface when a video call is operated according to an embodiment of the present invention.
FIG. 10 is a view schematically showing a photographing state using a mobile terminal according to an embodiment of the present invention.
11 is a flowchart illustrating a method of executing a camera application of a mobile terminal according to an embodiment of the present invention.
12 is a view illustrating a part of a terminal case according to another embodiment of the present invention.

Hereinafter, a configuration of a mobile terminal according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

A mobile terminal according to an embodiment of the present invention includes a mobile terminal body 100 and a terminal case 200 in which the mobile terminal body 100 is detachable. Here, a part of the terminal case 200 may be a housing forming an exterior of the mobile terminal. The mobile terminal is provided with a housing that covers the back of the mobile terminal in order to protect various built-in electronic components. A part of the terminal case 200 may serve as the housing. However, the present invention is not limited thereto, and a housing for housing the mobile terminal may be provided, and the terminal case 200 according to an embodiment of the present invention may be provided separately from the housing to cover the outer side of the housing. May be provided.

First, the configuration of the mobile terminal body 100 will be described with reference to FIG. 6 after describing the configuration of the terminal case 200 with reference to FIGS. 1 to 5. FIG.

FIG. 1 is an exploded perspective view showing a terminal case 200 and a mobile terminal body 100 according to an embodiment of the present invention. FIG. 2 is an exploded perspective view of a mobile phone 100 according to an embodiment of the present invention. (220) in accordance with an embodiment of the present invention. 3 is a perspective view illustrating a state in which the front cover 220 is closed by coupling the terminal case 200 and the mobile terminal 100 according to an embodiment of the present invention. 5 is a perspective view illustrating a state where the terminal case 200 according to the embodiment of the present invention is coupled with the mobile terminal body 100 to open the front cover 220. FIG. And the mobile terminal body 100 are coupled to each other to completely fold the front cover part 220 backward.

Referring to FIG. 1, a terminal case 200 according to an embodiment of the present invention includes a rear cover 210 detachable from a mobile terminal body 100, And a front cover 220 covering the front surface of the mobile terminal 100. The rear cover unit 210 may further include a connection unit 230 connecting the front cover unit 220 to the rear cover unit 210.

The rear cover unit 210 is configured to cover at least one of a side surface and a rear surface of the mobile terminal body 100. The rear cover unit 210 can be detachably attached to the mobile terminal body 100 As shown in Fig. Therefore, a space is formed in the rear cover part 210 to accommodate the mobile terminal body 100. The rear cover 210 may be formed with a rear cutout 211 for exposing a back camera provided on a back surface of the mobile terminal 100.

In addition, a case connecting portion 242 is provided on the inner side of the rear cover portion 210. The case connecting portion 242 is configured to be in contact with a main body connecting portion 171 provided in the mobile terminal main body 100 in order to transmit and receive signals to and from a mobile terminal Explain.

1, the rear cover 210 may be a housing that forms an exterior of the mobile terminal. In other words, it can serve as a housing for covering the back of the mobile terminal 100 to protect various electronic components contained therein. In this case, a separate housing is not required.

However, the present invention is not limited thereto, and the mobile terminal may be provided with a housing, and the rear cover portion 210 may be separately manufactured from the housing and may be provided to cover the rear of the housing.

The front cover 220 is a plate-like member having a shape corresponding to the front surface of the mobile terminal 100. The front cover part 220 is provided with a transparent part 221.

2, the front cover part 220 includes a transparent part 221 for displaying and touching images, a transparent part 221, And a rear supporting part 223 provided at the rear of the transparent part 221. The rear supporting part 223 is provided at the rear of the transparent part 221. [

The transparent portion 221 includes a sub display portion 221a capable of displaying an image, a front touch portion 221b provided in front of the sub display portion 221a, And a rear touch part 221c.

The sub-display unit 221a may be a display device including a liquid crystal display (LCD) or an organic light emitting diode (OLED). If the sub-display unit 221a can convert an electrical signal and display it as an image, . The sub-display unit 221a may be transparent, and more specifically, may be a flexible transparent display (TFD) device. For example, the sub-display unit 221a may be a TOLED (Transparent OLED). Therefore, even when the front cover 220 covers the front surface of the mobile terminal 100, the user can view the image displayed on the display portion of the mobile terminal body through the flexible transparent display (TFD) have.

The display unit of the mobile terminal 100 is referred to as a main display unit 151 and the terminal unit 200 of the mobile terminal 100 may be referred to as a main display unit for distinguishing the display unit of the terminal case 200 from the display unit of the mobile terminal 100. [ The display portion provided in the transparent portion 221 of the display portion 221 is referred to as a sub-display portion 221a.

In the description of the present embodiment, the front surface means the side on which the main display unit 151 is provided and the image is displayed when referring to the mobile terminal main body 100, And the opposite side thereof.

The touch units 221b and 221c provided on the front and rear surfaces of the sub display unit 221a include a front touch unit 221b coupled to a front surface of the display unit and a rear touch unit 221b coupled to a rear surface of the display unit 221a. And a portion 221c. 3, the user may touch the front touch part 221b while the front cover part 220 is in a closed state. As shown in FIGS. 4 and 5, the front cover part 220 The rear touch part 221c may be touched in the open state.

The touch units 221b and 221c may be transparent electrode films for sensing a user's touch operation. The transparent electrode film may also be referred to as indium tin oxide (ITO), which can be produced by depositing indium and tin on a film. By depositing indium and tin on the film, the transparent electrode film can have transparency and resistance.

For example, the transparent electrode film may be a capacitive overlay, an infrared beam, or a resistive overlay.

Therefore, the transparent electrode film may be a resistive ITO film or an electrostatic ITO film.

2, the touch portions 221b and 221c include a resistive ITO film region R1 made of a resistive ITO film and an electrostatic ITO film region R2 made of an electrostatic ITO film You may.

For reference, when using resistive ITO film, it is possible to input touch with any object and it is possible to perform precise touch input per pixel, but it has a disadvantage that the response speed is slow and an undesired touch may occur when it is put in a pocket .

On the contrary, when the electrostatic ITO film is used, the reaction speed is fast and it is advantageous to prevent the unintended touch input, but it is disadvantageous in that relatively accurate touch input is difficult.

Accordingly, the resistive ITO film area occupies a relatively large area, and provides the area for a detailed touch input, such as drawing or making a memo, and the electrostatic ITO film area is provided with a resistive ITO film area And may be provided in an area used for the purpose of volume control or the like. For example, as shown in Fig. 5, when the front cover is folded backward, a finger touching the electrostatic ITO film area may be moved up and down to adjust the volume.

On the other hand, the front touch part 221b is constituted by a resistive ITO film so that touch input such as receiving a phone call can be performed even in the state of wearing gloves in winter, while the rear touch part 221c is constituted of an electrostatic ITO film So that it is possible to perform operations such as drawing a picture requiring a precise touch input.

The front support part 222 is coupled to the front of the front touch part 221b and the rear support part 223 is coupled to the rear of the rear touch part 221c.

The front support part 222 has a shape corresponding to the shape of the mobile terminal body 100 described later, and a cut part is formed in a part of the center part. Accordingly, the outer rim surrounding the cut-out portion constitutes the front support portion 222.

The rear support portion 223 is located behind the rear touch portion 221c and a cut portion is formed at the center as in the front support portion 221b. Therefore, therefore, the outer rim surrounding the incision portion constitutes the rear supporting portion 223. [

The front support part 222 and the rear support part 223 may be bonded to each other by bonding, welding, or double-sided tape. Between the front supporting part 222 and the transparent part 221 and between the rear supporting part 223 and the transparent part 221 may be bonded by bonding, welding or double-sided tape.

A transparent protective member may be provided on the front supporting part 222 and the rear supporting part 223 to protect the transparent part 221. [

Meanwhile, the front cover 220 may be provided with a magnetic body 222. The magnetic body 222 is used to determine whether the front cover 220 is closed or open by detecting the approach of the magnetic body 222 by a sensing unit 140 of the mobile terminal 100, which will be described later.

The connection part 230 connects the rear cover part 210 and the front cover part 220. [ Accordingly, one end of the connection part 230 is coupled to the rear cover part 210, and the other end is coupled to the front cover part 220. The connection part 230 is made of a flexible material. 3, when the mobile terminal 100 is coupled to the rear cover part 210, the front cover part 220 is placed in a position facing the front surface of the mobile terminal 100, And may be placed at an extended position as shown in FIG. 4, or may be rotated 180 degrees as shown in FIG. 5, so that the front surface is placed at a position facing the rear surface of the rear cover portion 210.

Therefore, when the mobile terminal 100 is coupled to the rear cover part 210, the front cover part 220 may cover the front surface of the mobile terminal 100 or may cover the rear surface. In this case, Covering the rear surface of the terminal 100 can be interpreted to mean covering the rear surface of the rear cover part 210. [

1, the terminal case 200 is provided with a communication unit 240 for exchanging signals with the mobile terminal main body 100.

Therefore, the transparent part 221 of the terminal case 200 can exchange signals with the mobile terminal body 100 through the communication part 240. [ That is, each of the sub-display unit 221a, the front touch unit 221b, and the rear touch unit 221c constituting the transparent unit 221 can be connected to the control unit 180 of the mobile terminal through the communication unit 240 have.

The communication unit 240 may include a flexible printed circuit board (FPCB) 241 and a case connecting unit 242.

One end of the flexible printed circuit board 241 is connected to the sub display unit 221a, the front touch unit 221b and the rear touch unit 241, Lt; / RTI >

The mobile terminal 100 is provided with a main body connecting portion 171 at a position corresponding to the case connecting portion 242. The main body connecting portion 171 is connected to a control unit 180 of a mobile terminal do.

Accordingly, when the mobile terminal 100 and the terminal case 200 are coupled, the case connecting portion 242 and the body connecting portion 100 are brought into contact with each other to transmit electrical signals. To this end, the casing connecting portion 242 and the main body connecting portion 100 are provided at positions corresponding to the resiliently deformable fins, respectively, when pressed.

The sub display portion 221a, the front touch portion 221b and the rear touch portion 241 are connected to the flexible printed circuit board 241, the case connecting portion 242, and the main body connecting portion 171 The control unit 180 of the mobile terminal 100 can receive and transmit signals.

Here, the case connecting portion 242 and the body connecting portion 171 may use other methods other than the contact method as shown in Fig. For example, a connection method such as a Zip type or a B to B method may be used.

The Zip type is a method in which a slot is provided on a rear surface or a side surface of the mobile terminal and the contact portion of the flexible printed circuit board 241 is pushed into the slot. In this case, the case connecting portion may be a contact portion of the flexible printed circuit board 241, and the main body connecting portion may be a slot.

The B to B system is provided with an female / male connector on the rear surface or side surface of the mobile terminal body 100 and on the rear cover portion 210 of the terminal case 200, And the mobile terminal main body 100, the female connector and the male connector are combined. In this case, the case connecting portion may be either the female connector or the male connector, and the main body connecting portion may be the other one of the female connector and the male connector.

The configuration of the mobile terminal main body 100 other than the connecting portion 171 will be described later in detail.

Hereinafter, a configuration of a mobile terminal according to an embodiment of the present invention will be described with reference to FIG. That is, the structure of the mobile terminal body 100 will be described together with the structure of the terminal case 200 schematically. 6 is a block diagram showing the configuration of a mobile terminal, that is, a mobile terminal body 100 and a terminal case 200 according to an embodiment of the present invention.

The mobile terminal 100 includes a wireless communication unit 110, an A / V input unit 120, a user input unit 130, a sensing unit 140, an output unit 150, a memory 160, An interface unit 170, a control unit 180, a power supply unit 190, and the like. The components shown in Fig. 6 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 body 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 a broadcast receiving module 111, a mobile communication module 112, a wireless Internet module 113, a short distance communication module 114, and a location information module 115 have.

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.

An A / V (Audio / Video) input unit 120 is for inputting an audio signal or a video signal, and may include a camera module 121 and a microphone 122. The camera module 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 151. [

The image frame processed by the camera module 121 may be stored in the memory 160 or transmitted to the outside through the wireless communication unit 110. [ The camera module 121 may include a front camera for photographing the front side of the mobile terminal body 100 and a rear camera for photographing the rear side of the mobile terminal body 100. [

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 jog wheel, a jog switch, and the like. Also, the user input unit 130 may include a main touch unit provided in front of the display unit 151, which will be described later.

The sensing unit 140 senses the current state of the mobile terminal 100 such as the position of the mobile terminal 100, the presence of the user, the orientation of the mobile terminal, acceleration / deceleration of the mobile terminal, And generates a sensing signal for control.

Meanwhile, the sensing unit 140 may include a proximity sensor 141, and an example of the proximity sensor 141 may be a hall sensor. The proximity sensor 141 can detect the position of the front cover 220 of the terminal case 200. That is, when the magnetic field of the magnetic body 222 provided on the front cover 220 of the terminal case 200 is detected by the proximity sensor 141, the front cover 220 may be determined to be in a closed state, If the magnetic field 222 is not detected, the front cover 220 may be determined to be in an open state.

In addition to proximity sensors such as Hall sensors, optical proximity sensors, capacitive proximity sensors, optical proximity sensors, eddy current proximity sensors, ultrasonic proximity sensors, and inductive proximity sensors may also be used as proximity sensors.

The sensing unit 140 senses the on / off state of the display unit 151 and determines whether the power supply unit 190 is powered on or whether the external unit of the interface unit 170 is connected .

The output unit 150 generates an output related to a visual, auditory or tactile sense and includes a main display unit 151, an audio output module 152, an alarm unit 153, and a haptic module 154 .

The main display unit 151 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 main display unit 151 may be a liquid crystal display (LCD), a thin film transistor-liquid crystal display (TFT LCD), an organic light-emitting diode (OLED) a flexible display, and a 3D display.

(Hereinafter, referred to as a 'touch screen') has a mutual layer structure with the main display unit 151 and a sensor (hereinafter, referred to as 'touch sensor' It can also be used as an input 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 main display unit 151 or a capacitance generated at a specific portion of the display unit 151 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 151 is touched or the like.

Hereinafter, in explaining an embodiment of the present invention, a means for detecting a touch input, which is provided in the main display unit 151 of the mobile terminal body 151, is referred to as a main touch unit.

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 151 or the audio output module 152 so that they 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 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. At least two haptic modules 154 may be provided according to the configuration of the mobile 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 body 100. In addition, the overall operation of the terminal case 200 is also controlled. 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 a processor, controllers, micro-controllers, microprocessors, and other electronic units for performing other functions. In some cases, The embodiments described may be implemented by the control unit 180 itself.

According to a software implementation, embodiments such as the procedures and functions described herein may be implemented with separate software modules. Each of the software modules may perform one or more of the functions and operations described herein. Software code can be implemented in a software application written in a suitable programming language. The software code is stored in the memory 160 and can be executed by the control unit 180. [

Hereinafter, with reference to FIG. 7, a description will be given of a method of operating the mobile terminal 100 when the mobile terminal 100 is coupled to the terminal case 200 described with reference to FIGS. 1 to 5. FIG.

The control unit 180 determines whether the front cover unit 220 is closed or opened based on detection information of the proximity sensor 141 of the sensing unit 140 (S101).

When the front cover unit 180 is closed, the controller 180 determines whether to activate the main display unit 151 or the sub display unit 221a (S103). For example, when the user presses a home key, the control unit 180 controls the main display unit 151 or the sub-display unit 221a to be displayed on any one of the main display unit 151 and the sub- A user interface for asking which one of the main display or the sub display is to be activated can be provided. When the user selects any one of them, the main display or the sub display can be activated based on the user's selection input. At this time, when the home key is pressed, a user interface for asking to select one of the main display unit 151 or the sub display unit 221a is displayed through the main display unit 151, Whether or not to display through the sub display unit 221a can be set in advance.

When a signal for activating the main display unit 151 is inputted, the control unit 180 turns on the main display unit 151 (S107).

Also, the sub display unit 221a is turned off (S109). At this time, since the sub-display unit 221a is in a transparent state, the user can see the image displayed on the main display unit 151 in front of the sub-display unit 221a.

Then, the front touch unit is turned on (S111). Accordingly, the user can touch input through the front touch part 221a provided in the transparent part 221 of the terminal case 200 while viewing the image displayed on the main display part 151, so that the front cover part 220 So that the mobile terminal can be used.

In this case, the controller 180 turns off the rear touch unit (S113).

Then, the main touch unit is also turned off (S115). Here, the main touch unit refers to means for sensing a touch input provided on the display unit 151 of the mobile terminal body 100, as described above.

Hereinafter, an operation method of the mobile terminal when the sub display portion 221a is activated while the front cover portion 220 is closed will be described.

If the activation of the sub-display unit 221a is selected in step S103, the control unit 180 turns off the main display unit 151 (step S117).

Then, the control unit 180 turns on the sub-display unit 221a so that the sub-display unit 221a can display an image forward (S119).

In addition, the control unit 180 turns on the front touch unit of the terminal case (S121).

Then, the rear touch unit is turned off (S123).

In addition, the main touch unit of the mobile terminal main body is turned off (S125).

Accordingly, the user can touch input through the front touch unit while viewing the image displayed through the sub-display unit 221a.

Meanwhile, while the front cover part 220 is closed, the front cover part 220 can be opened during operation in the above-described manner (S127). In this case, the mobile terminal operates in a form including steps S131 to S153 as described below.

When the front cover part is opened, that is, when the front cover part 220 rotates about the connection part 230, that is, relative to the rear cover part 210, The operation of the mobile terminal when the mobile terminal 151 is exposed to the outside will be described.

First, the control unit 180 determines whether to execute the dual mode or the single mode based on the user input (S131). Here, the dual mode means a mode in which the main display unit 151 of the mobile terminal body 100 and the sub display unit 221a of the terminal case 200 are simultaneously used. In the single mode, A mode in which only one of the display unit 151 and the sub-display unit 221a of the terminal case 200 is used. In this embodiment, a single mode and a mode using only the main display unit 151 will be described as an example. This process displays on the main display unit 151 or the sub-display unit 221a a user interface for asking whether to use the dual mode or the single mode and to select whether the user uses the dual mode or not Based on the touch input. Alternatively, the dual mode may be automatically selected so that an image is displayed on both the main display unit 151 and the sub-display unit 221a, and then the single mode may be switched by changing the setting of the user. Conversely, It is possible to automatically switch to the dual mode by changing the setting of the user after setting the single mode to be selected.

Hereinafter, a method of operating a mobile terminal when a dual mode is selected will be described first, and then a method of operating a mobile terminal when a single mode is selected will be described.

First, when the dual mode is selected, the control unit turns on the main display unit 151 (S133).

Simultaneously, the sub display unit 221a is turned on (S135). At this time, the user mainly views an image through the back surface of the sub display unit 221a.

Then, the control unit 180 turns off the front touch unit (S137).

In addition, the controller 180 turns on the rear touch unit (S139).

Then, the control unit 180 turns on the main touch unit (S141).

Accordingly, the user can use both the main display unit 151 and the sub display unit 221a. The user interface provided in the case of using the dual mode and some specific operational examples will be described later.

On the other hand, if the single mode is selected in step S131, the control unit 180 turns on the main display unit 151 (S131). For reference, the main display unit 151 is turned on when the dual mode is executed or when the single mode is executed.

Meanwhile, the control unit 180 turns off the sub-display unit 221a (S145).

Then, the front touch unit is turned off (S147).

Further, the rear touch part is turned off (ff) (S149).

Then, the main touch unit is turned on (S151).

Accordingly, the user can use the mobile terminal in the same manner as the mobile terminal mounted on the conventional case cover without the transparent portion. That is, only the mobile terminal body 100 is used in a state in which the touch portion 221 provided on the front cover 220 of the terminal case 200 is not operated.

If the front cover unit 220 is opened while the front cover unit 220 is closed, the mobile terminal operates in a manner including steps S103 to S127.

Hereinafter, some examples of the mobile terminal operating method in the case of using the dual mode will be described with reference to Figs. 8 to 11. Fig.

First, as shown in Fig. 8, the mobile terminal can be used as an electronic book. 8 is a diagram showing a mobile terminal when an electronic book application is executed under a dual mode. The control unit 180 can display the user application of the e-book on both the main display unit 151 and the sub-display unit 221a, similarly to the case where the book is actually opened.

In addition, as shown in FIG. 9, the mobile terminal according to an embodiment of the present invention can perform a video call and a mirror call together. 9 is a diagram illustrating a case where a mirror call and a video call proceed simultaneously in the mobile terminal.

For reference, a mirror call refers to a function of remotely controlling a mobile terminal of a calling party, sharing a screen, or displaying a text or a picture together on the screen. Conventionally, when the mirror call application is executed, since it is necessary to display an image shared by the main display unit 151, the mirror call and the video call can not be performed together, but this is possible in the dual mode.

That is, the control unit 180 may display a user interface for a video call in one of the main display unit 151 or the sub display unit 221a and display an image to be shared with the other party in the other one .

Next, an example of executing the camera application in the dual mode will be described with reference to Figs. 10 and 11. Fig. FIG. 10 is a diagram illustrating a user's photographing himself / herself by executing a camera application in a dual mode, and FIG. 11 is a flowchart illustrating an operation method of the mobile terminal when using the mobile terminal in the same manner as FIG.

First, the control unit 180 executes the camera application based on the user input (S201).

If the front camera is selected by user input, the front camera is operated (S203). Here, the front camera means a camera for photographing the front side. In many cases, the mobile terminal includes a rear camera for photographing the rear side and a front camera for photographing the front side, and in this case, which camera is to be operated by user input can be selected. On the other hand, when the front camera for photographing the front is selected and executed, the control unit 180 displays the image photographed by the front camera on the main display unit 151. [

Then, the control unit 180 determines whether the front cover unit 220 is opened based on the measurement information of the proximity sensor 141 (S205). Whether or not the front cover part 220 is opened can be determined depending on whether the magnetic field of the magnetic body provided in the front cover part 220 is sensed by the proximity sensor 141 which is a Hall sensor as described above.

If the front cover is open, the control unit 180 displays a user interface on the sub-display unit 221a for selecting a photographing operation (S207). Then, the rear surface touch portion 221c of the transparent portion 221 is turned on. Here, the user interface for selecting the photographing may be, for example, a camera-shaped icon. Accordingly, a camera-shaped icon may be displayed on the sub-display unit 221a, and when the icon is touched, the photographing may be performed.

10, the user touches an icon for performing photographing displayed on the rear touch part 221c provided on the front cover part 220 by using a finger while holding the mobile terminal, The photograph can be taken.

Therefore, the user's face or body can be photographed in a more comfortable state.

Hereinafter, a configuration of a terminal case according to another embodiment of the present invention will be described with reference to FIG. The same reference numerals are assigned to the same components as in the embodiments described with reference to Figs. 1 to 5, and repetitive description of the same components having the same functions is omitted.

The terminal case according to the present embodiment is provided with a control unit 251 itself.

In addition, a battery 252 itself is provided, and a loop antenna 253 for charging the battery 252 is provided so as to extend along the outer edge.

Unlike the case where the communication unit 240 includes the FPCB 241 and the case connecting unit 242 in the foregoing embodiment, the communication unit 254 in this embodiment includes the wireless communication module 254a and the wireless antenna 254b.

The transparent portion 221 is the same as in the previous embodiment, and includes a sub-display portion, a front touch portion, and a rear touch portion.

The control unit 251 controls the operation of the transparent unit 221 based on a signal input through the communication unit 254, And may transmit a signal received through the transparent part 221 to the control part 180 of the mobile terminal body 100 through the communication part 254. [

Meanwhile, the battery 252 may be charged using the wireless loop antenna 253.

Claims (10)

A rear cover part detachable from a mobile terminal having a main display part;
A front cover part which is foldably connected to the rear cover part and covers the front of the mobile terminal, which is coupled to the rear cover part; And
And a transparent part provided on the front cover part,
The transparent portion
A sub-display unit which is formed transparent and capable of displaying an image,
A front touch unit provided in front of the sub-display unit,
And a rear touch unit provided behind the sub-display unit
The terminal case.
The method according to claim 1,
In the front cover portion,
A magnetic body for detecting the open / close state of the front cover part by the mobile terminal is provided
The terminal case.
The method according to claim 1,
And a communication unit for transmitting and receiving signals with the mobile terminal
The terminal case.
The method of claim 3,
Further comprising a battery and a wireless charging unit
The terminal case.
A main body including a main display unit and a control unit for controlling operations of the main display unit; And
And a terminal case in which the terminal main body is detachable,
The terminal body
And a main body communication unit for transmitting / receiving signals to / from the terminal case,
The terminal case includes:
A rear cover part covering the rear of the terminal body and detachable from the terminal body;
A front cover part having a transparent part formed to be transparent and foldably coupled to the rear cover part,
And a case communication unit for transmitting and receiving signals to and from the control unit of the mobile terminal,
Wherein the transparent portion comprises:
A sub-display unit capable of displaying an image and being formed in a transparent manner,
A front touch unit disposed in front of the sub-display unit,
And a rear touch unit provided behind the sub-display unit
Mobile terminal.
6. The method of claim 5,
The main-
And a connecting portion provided on a rear surface or a side surface of the terminal main body,
The case communication unit
A case connecting portion provided at a position corresponding to the connecting portion,
And a flexible printed circuit board (FPCB) having one end connected to the case connecting portion and the other end connected to the transparent portion
Mobile terminal.
6. The method of claim 5,
The case communicating section,
Comprising a wireless communication module and a wireless communication antenna
Mobile terminal.
6. The method of claim 5,
Wherein,
With the front cover closed,
The main display unit or the sub display unit is turned on,
The front touch unit is turned on,
The rear touch unit is turned off,
The main touch unit is turned off,
And a touch input unit
Mobile terminal.
6. The method of claim 5,
Wherein,
With the front cover part open,
The main display unit is turned on,
The sub-display unit is turned on or off based on a user input,
The main touch unit is turned on,
Wherein the control unit turns on the rear touch unit when the sub display unit is on and turns off the rear touch unit when the sub display unit is off,
The front touch unit is turned off
Mobile terminal.
10. The method of claim 9,
When the camera application is executed while the front cover portion is tilted backward,
Wherein,
Displaying an image photographed by a camera on the main display unit,
A display unit for displaying a user interface allowing the user to take a picture by touch input on the sub-
Mobile terminal.
KR1020130057268A 2013-05-21 2013-05-21 Case for mobile terminal and mobile terminal having the same KR102046353B1 (en)

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