KR20140115043A - Mobile terminal and method for controlling of the same - Google Patents

Abstract

Disclosed are a mobile terminal and a control method thereof. According to an embodiment of the present invention, the mobile terminal can operate a second transparent display panel in accordance to a specific signal received to the mobile terminal to control a part of one or more first transparent display panels which displays items to be opaque.

Description

TECHNICAL FIELD [0001] The present invention relates to a mobile terminal and a control method of the mobile terminal,

The present invention relates to a mobile terminal that controls opaque at least a part of a transparent display and a control method of the mobile terminal.

2. Description of the Related Art [0002] In recent years, various multimedia functions such as a camera, a DMB (Digital Media Broadcasting), and a photo gallery have been installed in mobile terminals, mobile terminals having a large screen of high quality have been introduced. And to maximize their aesthetics and utilization.

However, when a transparent display is used for a mobile terminal, not only a user of the mobile terminal but also a person located in the opposite direction can view items displayed on the mobile terminal, which poses a problem of security.

The present invention relates to a mobile terminal and a control method of a mobile terminal that opaquely control a specific area of a transparent display corresponding to a specific input.

According to an embodiment of the present invention, there is provided a mobile terminal including a transparent display unit and a control unit for opaquely controlling a specific area of a transparent display unit when a specific input is received, And a second transparent display panel for supplying the light source to the first transparent display panel according to the specific input or displaying the item according to the electrical signal.

The control unit may determine an area of the at least one first transparent display panel corresponding to the received specific input as a specific area and control the second transparent display panel to supply the light source to the specific area.

The control unit displays the same item on the two first transparent display panels, one of the two first transparent display panels inverted to display the item, and the specific input is received through either of the two first transparent display panels It is possible to control the second transparent display panel to determine the specific area corresponding to the specific input received in consideration of the position of the item displayed on the two first transparent display panels and to supply the light source to the specific area.

When the specific input is a call reception signal or a message arrival signal, the control unit determines at least a specific area of the first transparent display panel in which call reception or message arrival notification information is displayed, The transparent display panel can be controlled.

According to another aspect of the present invention, there is provided a method of controlling a mobile terminal including a transparent display unit including at least one first transparent display panel and a second transparent display panel for supplying a light source The method comprising the steps of: receiving a specific input; determining an area of at least one first transparent display panel corresponding to a specific input as a specific area; and driving a second transparent display panel And supplying the light source to the light source.

The details of other embodiments are included in the detailed description and drawings.

The control method of the mobile terminal and the mobile terminal according to the present invention has the following effects.

According to an embodiment of the present invention, transparent display of a mobile terminal is opaquely controlled in units of pixels, so that only a region requiring security can be implemented as an opaque display.

According to an embodiment of the present invention, an opaque display can be implemented by driving a second transparent display panel that supplies a light source to a first transparent display panel in a dark place, so that implementation is easy and aesthetics can be provided.

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.
FIGS. 3A and 3B are stacked structures of a transparent display part of a mobile terminal according to an embodiment of the present invention.
4 is a flowchart of a method of controlling a mobile terminal according to an embodiment of the present invention.
5A and 6B are diagrams for explaining a control method of a mobile terminal according to an embodiment of the present invention.

The above objects, features and advantages of the present invention will become more apparent from the following detailed description taken in conjunction with the accompanying drawings. It is to be understood, however, that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and similarities. Like reference numerals designate like elements throughout the specification. In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail. In addition, numerals (e.g., first, second, etc.) used in the description of the present invention are merely an identifier for distinguishing one component from another.

Hereinafter, a mobile terminal according to the present invention will be described in detail with reference to the drawings. The suffix "module" and "part" for 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 understood by those skilled in the art that the configuration according to the embodiments described herein may be applied to a fixed terminal such as a digital TV, a desktop computer, and the like, unless the configuration is applicable only to a mobile terminal.

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 unit 160, An interface unit 170, a control unit 180, a power supply unit 190, and the like. The components shown in Fig. 1 are not essential, and a mobile terminal having more or fewer components may be implemented.

Hereinafter, the components will be described in order.

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

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

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

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

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

The broadcast receiving module 111 receives broadcast signals using various broadcasting systems. In particular, the broadcast receiving module 111 may be a digital multimedia broadcasting broadcasting (DMBT), a digital multimedia broadcasting satellite (DMBS), a media forward link only (MediaFLO), a digital video broadcasting ), And ISDBT (Integrated Services Digital Broadcast Terrestrial). Of course, the broadcast receiving module 111 may be adapted to other broadcasting systems that provide broadcast signals 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 unit 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 refers to a module for wireless Internet access, and the wireless Internet module 113 can be embedded in the mobile terminal 100 or externally. WLAN (WiFi), 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 the short distance communication technology.

The location information module 115 is a module for confirming or obtaining the location of the mobile terminal. A typical example of the location information module is a GPS (Global Position System) module. According to the current technology, the GPS module 115 calculates information on a distance (distance) from three or more satellites to one point (entity), information on the time when the distance information is measured, , Three-dimensional position information according to latitude, longitude, and altitude of one point (individual) in one hour can be calculated. Further, a method of calculating position and time information using three satellites and correcting the error of the calculated position and time information using another satellite is also used. The GPS module 115 continues to calculate the current position in real time and uses it to calculate speed information.

Referring to FIG. 1, an A / V (Audio / Video) input unit 120 is for inputting an audio signal or a video signal, and may include a camera 121 and a microphone 122. The camera 121 processes image frames such as still images or moving images obtained by the image sensor in the video communication mode or the photographing mode. The processed image frame can be displayed on the display module 151. [

The image frame processed by the camera 121 may be stored in the memory unit 160 or may be 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 122 receives an external sound signal through a microphone in a communication mode, a recording mode, a voice recognition mode, or the like, and processes it as electrical voice data. The processed voice data can be converted into a form that can be transmitted to the mobile communication base station through the mobile communication module 112 when the voice data is in the call mode, and output. Various noise reduction algorithms may be implemented in the microphone 122 to remove noise generated in receiving an external sound signal.

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

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

The output unit 150 is for generating output related to visual, auditory or tactile sense and includes a display module 151, an acoustic output module 152, an alarm unit 153, and a haptic module 154 .

The display module 151 displays and 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 module 151 may be a liquid crystal display, a thin film transistor liquid crystal display, an organic light emitting diode, a flexible display, a 3D display And may include at least one.

Some of these displays may be transparent or light transmissive so that they can be seen through. This may be referred to as a transparent display. A typical example of the transparent display is a transparent LCD or the like. The rear structure of the display module 151 may also be of a light transmission type. With this structure, the user can see an object located behind the terminal body through the area occupied by the display module 151 of the terminal body.

There may be two or more display modules 151 according to the embodiment of the mobile terminal 100. For example, in the mobile terminal 100, a plurality of display portions may be spaced apart from one another, or may be disposed integrally with one another, and may be disposed on different surfaces, respectively.

In a case where the display module 151 and the sensor for sensing the touch operation (hereinafter, referred to as 'touch sensor') have a mutual layer structure (hereinafter referred to as 'touch screen' 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 display module 151 or a capacitance generated in a specific portion of the display module 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 module 151 is touched or the like.

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

Examples of the proximity sensor include a transmission type photoelectric sensor, a direct reflection type photoelectric sensor, a mirror reflection type photoelectric sensor, a high frequency oscillation type proximity sensor, a capacitive proximity sensor, a magnetic proximity sensor, and an infrared proximity sensor.

And to detect the proximity of the pointer by the change of the electric field along the proximity of the pointer when the touch screen is electrostatic. In this case, the touch screen (touch sensor) may be classified as a proximity sensor.

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

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

The audio output module 152 may output audio data received from the wireless communication unit 110 or stored in the memory unit 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 outputs an acoustic signal related to a function (e.g., a call signal reception sound, a 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 audio signal may also be output through the display module 151 or the audio output module 152.

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 be configured to perform various functions such as an effect of stimulation by a pin arrangement vertically moving with respect to a contact skin surface, an effect of stimulation by air spraying force or suction force through a jet opening or a suction opening, A variety of tactile effects such as an effect of stimulation through contact of an electrode, an effect of stimulation by an electrostatic force, and an effect of reproducing a cold sensation using a heat absorbing 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 feel the tactile effect through the muscles of the user's 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 unit 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 unit 160 may store data related to vibration and sound of various patterns outputted when a touch is input on the touch screen.

The memory unit 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) At least one of a random access memory (RAM), a static random access memory (SRAM), a read only memory (ROM), an electrically erasable programmable read-only memory (EEPROM), a programmable read- Lt; / RTI > type of storage medium. The mobile terminal 100 may operate in association with a web storage that performs a storage function of the memory unit 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 receives power from the external device to transfer the data to each component in the mobile terminal 100 or to transmit data in the mobile terminal 100 to an 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 control unit 180 typically controls the overall operation of the mobile terminal. For example, voice communication, data communication, video communication, and the like. The control unit 180 may include a multimedia module 181 for multimedia playback. The multimedia module 181 may be implemented in the control unit 180 or may be implemented separately from the control unit 180. [

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

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

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

According to a hardware implementation, the embodiments described herein may be implemented as application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate arrays May be implemented using at least one of processors, controllers, microcontrollers, microprocessors, and electrical units for performing functions. In some cases such embodiments may be implemented using a controller 180 < / RTI >

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. Also, the software codes may be stored in the memory unit 160 and executed by the control unit 180. [

FIG. 2A is a front perspective view of a mobile terminal according to an embodiment of the present invention, and FIG. 2B is a rear perspective view of a mobile terminal according to an embodiment of the present invention.

Referring to FIG. 2A, the mobile terminal 100 includes a bar-shaped terminal body. However, the present invention is not limited thereto, and can be applied to various structures such as a 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. [ A variety of electronic components are embedded in the space formed between the front case 101 and the rear case 102. At least one intermediate case may be additionally disposed between the front case 101 and the rear case 102. [

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

The display unit 151, the sound output unit 152, the camera 121, the user input units 130/131 and 132, the microphone 122, the interface 170, and the like may be disposed in the front body 101 have. The user input units 130/131 and 132 may be implemented as soft keys on a touch screen.

The display module 151 occupies most of the main surface of the front case 101. The sound output module 152 and the camera 121 are disposed in an area adjacent to one end of both ends of the display module 151 and the user input unit 130 and the microphone 122 are disposed in an area adjacent to the other end. The user input unit 130 and the interface 170 may be disposed on the side surfaces of the front case 101 and the rear case 102 or on the touch screen.

The user input unit 130 is operated to receive a command for controlling the operation of the mobile terminal 100 and may include a plurality of operation units 131 and 132.

The operation units 131 and 132 may be collectively referred to as a manipulating portion and may be employed in any manner as long as the user operates in a tactile manner.

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

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

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

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

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

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

In the terminal body, a power supply unit 190 for supplying power to the mobile terminal 100 is installed. The power supply unit 190 may be built in the terminal body or may be detachable from the outside of the terminal body.

The rear case 102 may further include a touch pad 135 for sensing a touch. The touch pad 135 may also be of a light transmission type like the display module 151. In this case, if the display module 151 is configured to output time information on both sides, the time information can be recognized through the touch pad 135 as well. The information output on both sides may be all controlled by the touch pad 135. [ Alternatively, a display may be additionally mounted on the touch pad 135, and a touch screen may be disposed on the rear case 102.

The touch pad 135 operates in correlation with the display module 151 of the front case 101. [ The touch pad 135 may be disposed parallel to the rear of the display module 151. The touch pad 135 may have a size equal to or smaller than that of the display module 151.

FIGS. 3A and 3B are stacked structures of a transparent display part of a mobile terminal according to an embodiment of the present invention.

Hereinafter, the front display module (151 of FIG. 2A) or the rear display module (135 of FIG. 2B) of the mobile terminal (100 of FIG. 1) will be collectively described as a transparent display portion.

Referring to FIG. 3A, a display module (151 in FIG. 1) of a mobile terminal (100 in FIG. 1) according to an embodiment of the present invention may be implemented including at least one transparent display panel.

The transparent display portion 151 includes two or more transparent display panels, the first transparent display panel 151a displays an item according to an electrical signal, and the second transparent display panel 151b displays a first transparent display panel And supplies a light source.

The first transparent display panel 151a and the second transparent display panel 151b are formed of a transparent electronic device formed of an electrode, a semiconductor, an insulator, etc. formed on a transparent substrate such as a glass substrate and formed of a transparent material, ≪ / RTI >

The first transparent display panel 151a may include a plurality of transparent organic light emitting devices (OLEDs), photoluminescence devices, and the like, which are two-dimensionally arranged on a transparent substrate to display items including characters or images. Or a liquid crystal (Liquid Cy).

The second transparent display panel 151b may include a self-luminous organic light emitting element or a transparent backlight panel to supply a light source.

For example, the transparent display portion 151 may be configured using a transparent liquid crystal display panel, the first transparent display panel 151a, and the second transparent display panel 151b may be configured using a transparent white organic light emitting display panel .

Further, the first transparent display panel 151a may be a transparent liquid crystal display panel, and the second transparent display panel 151b may be formed by using a transparent backlight panel.

The first transparent display panel 151a may be a transparent organic light emitting display panel and the second transparent display panel 151b may be formed using a transparent white organic light emitting display panel.

The first transparent display panel 151a and the second transparent display panel 151b are not limited to those described above and should be construed as including various embodiments capable of implementing a transparent display panel.

Referring to FIG. 3B, the transparent display unit 151 or 135 may include two first transparent display panels 151a stacked vertically with a second transparent display panel 151b interposed therebetween.

In this case, the transparent display unit 151 or 135 may operate as a dual transparent display including a front transparent display unit 151 and a rear transparent display unit 135. [

When two first transparent display panels 151a are stacked with a second transparent display panel 151b therebetween, the two first transparent display panels 151a can be controlled as independent displays.

At this time, when the second transparent display panel 151 is driven, the light sources can be simultaneously supplied to the two first transparent display panels 151a.

For example, the transparent display portion (151 in FIG. 2A or 135 in FIG. 2B) uses a transparent liquid crystal display panel in the first transparent display panel 151a on the front side and the transparent transparent white organic Emitting display panel, and the first transparent display panel 151a on the rear side can be configured using a transparent liquid crystal display panel.

The first transparent display panel 151a on the front side uses a transparent liquid crystal display panel, the second transparent display panel 151b uses a transparent backlight panel, and the first transparent display panel 151a on the back side uses a transparent liquid crystal display panel Can be configured using a display panel.

In addition to the above exemplified methods, the first transparent display panel 151a may be constituted by a display element capable of displaying an item according to an electrical signal, and the second transparent display panel 151b may be configured to directly supply or transmit a light source And the like.

FIG. 4 is a flowchart illustrating a method of controlling a mobile terminal according to an exemplary embodiment of the present invention. FIGS. 5A and 6B illustrate a method of controlling a mobile terminal according to an exemplary embodiment of the present invention. Referring to FIG.

Referring to FIG. 4, the control unit (180 in FIG. 1) receives a specific input (S110) and determines whether the received specific input is a control signal for opaquely controlling the transparent display unit (151 in FIG. 2A or 135 in FIG. (S120).

The control unit (180 in FIG. 1) controls the specific area corresponding to the specific input to be displayed on the first transparent display panel (or the second transparent display panel) when the received specific input is a control signal for controlling the transparent display unit (151 in FIG. 2A or 135 in FIG. Or 151a of FIG. 3A or 3B (S130).

The control unit 180 of FIG. 1 drives the second transparent display panel 151b (FIG. 3a or 3b) to irradiate the light source to a specific area of the first transparent display panel 151a (FIG. 3a or 3b) (S140).

Further, the control unit (180 in FIG. 1) controls the transparent display unit (151 in FIG. 3A or 135 in FIG. 3B) to prevent the second transparent display panel (151b in FIG. , The transparent display unit (151 in FIG. 3A or 135 in FIG. 3B) can be controlled to display only items in a transparent state.

Hereinafter, a method of controlling the transparent display unit (151 of FIG. 3A or 135 of FIG. 3B) in a transparent mode or an opaque mode and a method of determining a specific area will be described in detail.

First, the transparent display unit (151 in FIG. 3A or 135 in FIG. 3B) can operate in the entire transparent mode or the entire opaque mode. In addition, a part of the transparent display part (151 in FIG. 3A or 135 in FIG. 3B) operates in a transparent mode, and when some of the transparent display part operates in an opaque mode, some transparent mode or some opaque mode.

The prerequisite transparent mode is a mode in which at least one item is displayed such that the item displayed on the transparent display portion (151 in Fig. 3A or 135 in Fig. 3B) and the object or person located on the opposite side of the transparent display portion (135 in Fig. 3A or 135 in Fig. 3A) Refers to a mode in which the first transparent display panel (151 in FIG. 3A or 3B) or the second transparent display panel (151B in FIG. 3A or 3B) is driven.

5A is a text message transmission screen when the transparent display unit (151 or 135 in FIG. 3A or 3B) operates in the full transparent mode.

Referring to FIG. 5A, the controller (180 in FIG. 1) drives the first transparent display panel 151a and does not drive the second transparent display panel 151b.

As a result, the front user of the mobile terminal can display the items (the sending and receiving text messages, the keypad) and the objects (cups and cans) on the back of the first transparent display panel (151a in FIG. 3A or 3B) (151).

The backside user of the mobile terminal displays items (transmission / reception text message, keypad) displayed on the first transparent display panel (151a in FIG. 3A or 3B) and a user or other object (not shown) Can be seen through the part (151).

The entire opaque mode is a mode in which the object or person located on the opposite side of the transparent display unit 151 or 135 is not visible to the user of the mobile terminal 100 and the item displayed on the transparent display unit 151 or 135 is displayed on the opposite side 1 " means a mode in which the first transparent display panel 151a or the second transparent display panel 151b is driven.

5C is a text message transmission screen when the transparent display unit (151 or 135 in FIG. 3A or 3B) operates in the entire opaque mode.

Referring to FIG. 5C, the controller (180 in FIG. 1) drives both the first transparent display panel 151a and the second transparent display panel 151b.

As a result, the front-end user of the mobile terminal can view the items (transmission / reception text message, keypad) displayed on the first transparent display panel (151a in FIG. 3A or 3B) Can not be seen through the transparent display unit 151. [

The backside user of the mobile terminal can display the items (transmission / reception text message, keypad) displayed on the first transparent display panel (151a in FIG. 3A or 3B) and any of the user or other objects (not shown) The transparent display unit 151 can not be seen through.

Some transparent modes or some opaque modes mean that only a specific area of the first transparent display panel 151a operates in an opaque mode and the remaining area of the first transparent display panel 151a operates in a transparent mode.

5B is a text message transmission screen when the transparent display unit (151 or 135 in FIG. 3A or 3B) operates in a partially opaque mode.

Referring to FIG. 5B, the control unit 180 of FIG. 1 drives both the first transparent display panel 151a and the second transparent display panel 151b while the second transparent display panel 151b drives both the first transparent display panel 151a and the second transparent display panel 151b. The light source is driven to emit light from a specific region of the light source 151a.

As a result, the front-end user of the mobile terminal can display the items (transmission / reception text message, keypad) displayed on the first transparent display panel (151a in FIG. 3A or 3B) and objects located on the rear Cups and cans) can be seen through the transparent display unit 151.

A user who is located at the front of the mobile terminal corresponding to an area other than the specific area and an item (keypad) displayed in an area other than the specific area of the first transparent display panel (151a of FIG. 3A or 3B) Another object (not shown) can be seen through the transparent display unit 151.

However, a text message, which is an item displayed in a specific area of the first transparent display panel (151a in FIG. 3A or 3B), can not be seen by a user located at the rear side of the mobile terminal, so that the security state can be maintained.

The control unit (180 in FIG. 1) can control not only the transparent mode or the opaque mode with respect to the entire surface of the first transparent display panel (151a in FIG. 3A or 3B) Transparent mode or opaque mode.

The control unit 180 of FIG. 1 can determine the area of the first transparent display panel 151a corresponding to the received specific input to be a specific area, and control only the specific area to operate in the opaque mode.

Here, the specific input may be a touch input, a zoom in / zoom out touch input, an operation of an operation key or a function key, a call reception, a text message reception, and other notification reception signals.

The control unit (180 in FIG. 1) can determine the specific area according to the type of the specific input.

For example, when a specific input is an input for designating an area such as a touch input, a zoom in / zoom out input, etc., the control unit (180 in FIG. 1) The area of the first transparent display panel determined by the diagonal line or the received specific area and the set method can be determined as the specific area.

In addition, if the operation of the operation key or the function key, the specific input is the call reception, the text message reception, or the other notification reception signal, the control unit 180 of FIG. The area of the display panel can be determined as a specific area.

In addition to the above methods, a specific area corresponding to a specific input can be determined in the first transparent display panel in various ways.

When the second transparent display panel is disposed between the two first transparent display panels and operates in the dual mode, the control unit (180 in FIG. 1) can independently control the two first transparent display panels.

That is, different items can be displayed on the two first transparent display panels, and different processing results can be displayed according to each received input.

In the dual mode, the control unit (180 in FIG. 1) receives a specific input corresponding to a specific input from a first transparent display panel to which a specific input is input, when a specific input is received through either one of the two first transparent display panels You can decide.

When the control unit (180 of FIG. 1) drives the second transparent display panel to irradiate the light source to the determined specific region, the light source is also irradiated to the corresponding region of the other first transparent display panel so as to be unclearly controlled.

As a result, in a dual mode, when a specific input is received from either one of the two first transparent display panels, the controller (180 in FIG. 1) determines a specific area from the first transparent display on which a particular input is received, , The light source is also irradiated to the region of the first transparent display corresponding to the specific region, so that the corresponding regions of the two first transparent display panels are opaque.

In the dual mode, the control unit (180 in FIG. 1) can display the same item on two first transparent display panels while inverting the item on one of the two first transparent display panels. In this case, the user can see the same item from the two first transparent display panels.

When a specific input is received through either one of the two first transparent display panels, the control unit 180 of FIG. 1 considers the position of the inverted item displayed on the two first transparent display panels To determine a specific area from the two first transparent display panels. Here, the specific region means an area corresponding to the two first transparent display panels.

In the case where the specific input is a call reception signal or a message arrival signal, the control unit (180 in FIG. 1) can determine a specific area of the first transparent display panel in which call reception or message arrival notification information is displayed, The second transparent display panel can be controlled.

FIG. 6A shows an item displayed on the front transparent display unit 151, which operates in a partially opaque mode when a specific input is a call reception, and FIG. 6B shows an item displayed on the back of the mobile terminal operating in some opaque mode, And an item displayed on the transparent display unit 151 shown in FIG.

6A and 6B, when a specific input is a call reception and a specific area is set as an area in which the sender information of the front transparent display unit 151 is displayed, the control unit (180 in FIG. 1) Only the region A can be controlled opaque.

The control unit 180 of FIG. 1 drives the second transparent display panel to irradiate the light source to the A region. When the transparent display unit 151 is viewed from the rear surface of the mobile terminal, You can control so that the displayed item is not visible.

Accordingly, only the user of the mobile terminal can confirm the caller information and can maintain the supplement of the caller information to the other person on the rear side of the mobile terminal.

The above-described method of controlling a mobile terminal according to the present invention can be provided by being recorded in a computer-readable recording medium, which is a program for execution in a computer.

The control method of the mobile terminal according to the present invention can be executed through software. When executed in software, the constituent means of the present invention are code segments that perform the necessary tasks. The program or code segments may be stored in a processor readable medium or transmitted by a computer data signal coupled with a carrier wave in a transmission medium or a communication network.

A computer-readable recording medium includes all kinds of recording apparatuses in which data that can be read by a computer system is stored. Examples of the computer-readable recording device include a ROM, a RAM, a CD-ROM, a DVD-ROM, a DVD-RAM, a magnetic tape, a floppy disk, a hard disk and an optical data storage device. The computer-readable recording medium may also be distributed to networked computer devices so that computer readable code can be stored and executed in a distributed manner.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention. The present invention is not limited to the drawings. In addition, the embodiments described in this document are not limited to be applied, but all or some of the embodiments may be selectively combined so that various modifications can be made.

100: mobile terminal 151: display module
180:

Claims (5)

A transparent display unit; And
And a control unit for opaquely controlling a specific area of the transparent display unit when a specific input is received,
The transparent display unit includes:
At least one first transparent display panel for displaying an item according to an electrical signal and a second transparent display panel for supplying a light source to the first transparent display panel according to the specific input or displaying an item according to an electrical signal The mobile terminal comprising:
The method according to claim 1,
Wherein the control unit determines the region of the at least one first transparent display panel corresponding to the received specific input as the specific region and controls the second transparent display panel to supply the light source to the specified region .
3. The method of claim 2,
Wherein,
Displaying the same item on the two first transparent display panels, wherein one of the two first transparent display panels reverses and displays the item,
When the specific input is received through one of the two first transparent display panels, a specific area corresponding to the received specific input is determined in consideration of the position of the item displayed on the first two transparent display panels And controls the second transparent display panel to supply the light source to the specific area.
The method according to claim 1,
Wherein the control unit determines the specific area of the first transparent display panel in which the call reception or message arrival notification information is displayed as the at least partial area when the specific input is a call reception signal or a message arrival signal, And controls the second transparent display panel to supply a light source to the second transparent display panel.
A method of controlling a mobile terminal including a transparent display unit including at least one first transparent display panel and a second transparent display panel supplying a light source,
Receiving a specific input;
Determining a region of the at least one first transparent display panel corresponding to the specific input as a specific region; And
Driving the second transparent display panel to supply the light source to the specific region;
And transmitting the control information to the mobile terminal.

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