KR102163913B1 - apparatus and method for changing input mode of flexible device - Google Patents

Abstract

An apparatus and method for converting an input mode of a flexible device capable of converting an input mode according to the bending of the flexible device, comprising: a display unit for displaying a user input; a warp detection unit for detecting bending of the display unit; An input mode conversion unit that converts a user input mode according to the bending of the display unit, a user input unit that inputs a corresponding user input to the display unit according to the user input mode conversion, and an input mode conversion unit and a user input unit. It may include a control unit.

Description

Apparatus and method for changing input mode of flexible device}

The present invention relates to a flexible device, and more particularly, to an input mode conversion apparatus and method for a flexible device capable of changing the input mode according to the bending of the flexible device.

In general, a flexible device is a display device in which a glass substrate is replaced with a plastic substrate to provide flexibility to be folded and unfolded in a liquid crystal display, an organic EL display, or the like.

Such a flexible device is light, strong against impact, and can be bent or bent, and thus can be manufactured in various forms.

Further, a flexible device can display image information not only in an unfolded state, but also in a bent state, and thus, the research has been actively conducted in recent years.

On the other hand, devices, such as existing feature phones and smartphones, are thick and hard, so it is easy to type with two hands.

However, since the flexible device is bent and has a thin thickness, it is difficult to type with both hands, and it is easy to drop the device, so that typing such as text is unstable with the conventional method.

Therefore, a user input method suitable for the characteristics of a flexible device is required.

The technical problem to be achieved by an embodiment of the present invention is to provide an apparatus and method for converting an input mode of a flexible device that is easy and stable for user input by detecting the bending of a flexible device and adding an input mode for the bending.

A display unit for displaying a user input according to an embodiment of the present invention, a bending detection unit for detecting bending of the display unit, an input mode conversion unit for converting a user input mode according to the bending of the display unit, and a user According to the input mode conversion, a user input unit for inputting a user input corresponding thereto to the display unit, and a control unit for controlling the input mode conversion unit and the user input unit may be included.

Here, the bending detection unit may be a piezoelectric sensor.

Subsequently, a plurality of warp detection units may be arranged in the display unit at predetermined intervals.

In addition, the warpage detection unit may be arranged at regular intervals in parallel in at least one of a horizontal direction, a vertical direction, and a diagonal direction of the display unit.

Here, the warpage detection units adjacent to each other in the horizontal direction of the display unit have a first gap, the warpage detection units adjacent to each other in the vertical direction of the display unit have a second gap, and the warpage detection units adjacent to each other in the diagonal direction of the display unit have a third gap And at least one of the first, second, and third intervals may be different.

Next, the warpage detection unit may be inserted into at least one of the substrate and the emission layer of the display unit.

In addition, the warpage detection unit may be one or more pixels disposed between pixels of the display unit and disposed between the warpage detection units adjacent to each other.

Next, the input mode conversion unit includes a measurement unit that measures current according to the detection of the bending detection unit, an amplification unit that amplifies the measured current, a storage unit that stores the amplified current value, and based on the stored current values, the current It may include an analysis unit that analyzes a pattern, a search unit that searches for an input mode corresponding to a current pattern, and a conversion unit that converts a current input mode into a searched input mode.

Here, when the measurement unit of the input mode conversion unit includes a plurality of sensors, the current measurement time for each sensor may be different from each other.

In addition, the measurement unit of the input mode conversion unit may sequentially measure current for each sensor when the warpage detection unit includes a plurality of sensors.

Next, when the measurement unit of the input mode conversion unit includes a plurality of sensors, the current measurement time for each sensor may be the same.

Here, the current pattern analyzed by the analysis unit includes a first pattern in which the current measured from the warpage detection unit arranged in the vertical direction of the display unit has a maximum value, and the warpage detection arranged in the horizontal direction of the display unit. At least one of a second pattern in which the current measured from the unit has a maximum value, and a third pattern in which the current measured from the warpage detection unit arranged in a diagonal edge region of the display unit has a maximum value.

And, the input mode corresponding to the current pattern is, among keyboard input modes, at least one of stroke addition input, double consonant input, English case conversion input, number input, special symbol input, deletion, line/space shift input, It can be an input mode.

Subsequently, the input mode conversion unit may input a user input corresponding thereto to the display unit according to at least one of a degree of bending of the display unit, a bending direction, a bending time, and a number of bendings.

On the other hand, the input mode conversion method of a flexible device according to an embodiment of the present invention includes the steps of detecting bending of the display unit, converting the user input mode according to the bending of the display unit, and converting the user input mode. Accordingly, it may include inputting a user input corresponding thereto to the display unit and displaying the input user input.

And, the step of converting the user input mode, from the bending detection unit, measuring the current according to the bending detection of the display unit, amplifying the measured current, storing the amplified current value, and stored Based on the current values, analyzing a current pattern, searching for an input mode corresponding to the current pattern, and converting a current input mode to the searched input mode may be included.

Here, the step of analyzing the current pattern includes checking whether there is a current value greater than the reference value among the current values, and if there is a current value greater than the reference value, one of the degree of warpage of the display unit, the warpage direction, the warpage time, and the number of warpages. , Analyzing a current pattern according to at least any one may be included.

According to an embodiment of the present invention, by arranging a bending detection unit that detects bending of a flexible device, and adding an input mode for the degree of bending, bending direction, number of bending, bending time, etc., user input can be simple and stable. .

Therefore, when the user uses the keyboard input, not only can the user input the keyboard stably and comfortably, but also the input speed is fast and input errors can be reduced.

1 is a block diagram of a flexible device related to an embodiment of the present invention
2 is a block diagram showing an input mode conversion apparatus for a flexible device according to the present invention
3 is a view showing an arrangement interval of the bending detection unit of FIG. 2
4A and 4B are cross-sectional views taken along the line I-I of FIG. 3
5A and 5B are views showing a piezoelectric sensor disposed between pixels
6 is a block diagram showing an input mode conversion unit of FIG. 2
7A and 7B are views showing the bending of the flexible device according to the present invention
8A and 8B are a first embodiment showing a bending direction of a flexible device according to an external force
9A and 9B are a second embodiment showing a bending direction of a flexible device according to an external force
10A to 10C are views showing a current pattern according to bending of a flexible device
11A and 11B are views showing a current pattern according to the degree of bending of the flexible device
12 is a view showing a convertible user input mode according to an embodiment of the present invention
13 is a diagram showing conversion of a stroke addition input to a user input mode
14A and 14B are diagrams showing a method for inputting a character caddy
15A and 15B are diagrams illustrating a method for inputting text on
16 and 17 are diagrams showing conversion of a vowel input to a user input mode
18 is a view showing converting an English case conversion input into a user input mode
19 is a flowchart illustrating a method of converting an input mode of a flexible device according to the present invention
20 is a flowchart for explaining a user input mode conversion step of FIG. 19

Hereinafter, the present invention will be described in more detail with reference to the drawings.

The suffixes "module" and "unit" for the constituent elements used in the following description are simply given in consideration of ease of writing in the present specification, and the "module" and "unit" may be used interchangeably with each other.

Further, embodiments of the present invention will be described in detail with reference to the accompanying drawings and contents described in the accompanying drawings, but the present invention is not limited or limited by the embodiments.

The terms used in the present specification have selected general terms that are currently widely used as possible while considering functions in the present invention, but this may vary according to the intention or custom of a technician working in the art, or the emergence of new technologies. In addition, in certain cases, there are terms arbitrarily selected by the applicant, and in this case, the meaning will be described in the description of the corresponding invention. Therefore, it should be noted that terms used in the present specification should be interpreted based on the actual meaning of the term and the entire contents of the present specification, not a simple name of the term.

The flexible devices described in the present specification include mobile terminals such as mobile phones, smart phones, laptop computers, digital broadcasting terminals, personal digital assistants (PDAs), portable multimedia players (PMPs), navigation, and the like. I can.

In some cases, the flexible device may also be applied to a fixed terminal such as a digital TV or a desktop computer.

1 is a block diagram of a flexible device according to an embodiment of the present invention.

The flexible device 100 includes a wireless communication unit 110, an audio/video (A/V) input unit 120, a user input unit 130, a sensing unit 140, an output unit 150, a memory 160, and an interface unit. 170, a controller 180, a power supply unit 190, an input mode conversion device 500, and the like.

Since the components shown in FIG. 1 are not essential, a flexible device having more components 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 that enable wireless communication between the flexible device 100 and a wireless communication system or between the flexible device 100 and a network in which the flexible device 100 is located. For example, the wireless communication unit 110 may include a broadcast reception module 111, a mobile communication module 112, a wireless Internet module 113, a short-range communication module 114, and a location information module 115.

In addition, the broadcast receiving module 111 receives a broadcast signal and/or broadcast-related information from an external broadcast management server through a broadcast channel, wherein the broadcast channel may include a satellite channel and a terrestrial channel, and at least two Two or more of the broadcast reception modules may be provided to the mobile terminal 100 for simultaneous broadcast reception or broadcast channel switching of broadcast channels.

Next, the broadcast management server may mean a server that generates and transmits a broadcast signal and/or broadcast-related information, or a server that receives and transmits the previously-generated broadcast signal and/or broadcast-related information to a terminal, where broadcast The signal may include not only a TV broadcast signal, a radio broadcast signal, and a data broadcast signal, but also a broadcast signal in the form of a TV broadcast signal or a radio broadcast signal and a data broadcast signal combined.

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

In addition, broadcast-related information may exist in various forms, for example, Electronic Program Guide (EPG) of Digital Multimedia Broadcasting (DMB) or Electronic Service Guide (ESG) of Digital Video Broadcast-Handheld (DVB-H). It can exist in form.

Next, the broadcast receiving module 111 includes, for example, Digital Multimedia Broadcasting-Terrestrial (DMB-T), Digital Multimedia Broadcasting-Satellite (DMB-S), Media Forward Link Only (MediaFLO), Digital Video (DVB-H). Broadcast-Handheld), DVB-CBMS (Convergence of Broadcasting and Mobile Service), OMA-BCAST (Open Mobile Alliance-BroadCAST), CMMB (China Multimedia Mobile Broadcasting), MBBMS (Mobile Broadcasting Business Management System), ISDB-T (Integrated Services Digital Broadcast-Terrestrial) can be used to receive digital broadcast signals.

Of course, the broadcast receiving module 111 may be configured to be suitable for not only the above-described digital broadcast system but also other broadcast systems, and the broadcast signal and/or broadcast-related information received through the broadcast receiving module 111 may be stored in the memory 160 ) Can be stored.

In addition, the mobile communication module 112 is a base station, an external terminal, and a server on a mobile communication network such as Gobal System for Mobile communications (GSM), Code Division Multiple Access (CDMA), and Wideband CDMA (WCDMA) (not limited thereto). A wireless signal is transmitted and received with at least one of the wireless signals, wherein the wireless signal may include a voice call signal, a video call signal, or various types of data according to transmission/reception of text/multimedia messages.

Next, the wireless Internet module 113 refers to a module for wireless Internet access, and may be built into or external to the flexible device 100.

Wireless Internet technologies include WLAN (Wireless LAN) (Wi-Fi), Wibro (Wireless broadband), Wimax (World Interoperability for Microwave Access), HSDPA (High Speed Downlink Packet Access), GSM, CDMA, WCDMA, LTE (Long Term). Evolution) (not limited thereto) can be used, and from the perspective that wireless Internet access by Wibro, HSDPA, GSM, CDMA, WCDMA, LTE, etc. is made through a mobile communication network, wireless Internet access is performed through a mobile communication network. The wireless Internet module 113 to be performed may be understood as a type of the mobile communication module 112.

Next, the short-range communication module 114 refers to a module for short-range communication. As a short-range communication technology, Bluetooth, Radio Frequency Identification (RFID), infrared communication (IrDA, infrared Data Association), UWB ( Ultra Wideband), ZigBee, etc. may be used, and the location information module 115 is a module for obtaining a location of a flexible device, and a representative example thereof is a GPS (Global Position System) module.

According to the current technology, the GPS module 115 calculates distance information and accurate time information away from three or more satellites, and then applies a trigonometric method to the calculated information, thereby providing a three-dimensional current position according to latitude, longitude, and altitude. Information can be accurately calculated. Currently, a method of calculating location and time information using three satellites and correcting the error of the calculated location and time information using another satellite is widely used. , The GPS module 115 may calculate speed information by continuously calculating the current location in real time.

Referring to FIG. 1, an audio/video (A/V) input unit 120 is for inputting an audio signal or a video signal, and may include a camera 121 and a microphone 122.

Here, the camera 121 processes an image frame such as a still image or a video obtained by an image sensor in a video call mode or a photographing mode, and the processed image frame may be displayed on the display unit 151, and the camera 121 The image frame processed in) may be stored in the memory 160 or transmitted to the outside through the wireless communication unit 110.

In some cases, two or more cameras 121 may be provided depending on the use environment.

Subsequently, the microphone 122 receives an external sound signal by a microphone in a call mode, a recording mode, a voice recognition mode, etc., and processes it as electrical voice data, and the processed voice data is a mobile communication module in the case of a call mode. It may be converted into a form that can be transmitted to a mobile communication base station through 112 and output. In some cases, various noises to remove noise generated in the process of receiving an external sound signal from the microphone 122 Elimination algorithms can be implemented.

Next, the user input unit 130 generates input data for the user to control the operation of the terminal, and the user input unit 130 includes a button 136 located on the front, rear, or side surfaces of the mobile terminal 100, a touch sensor. It may be configured as a (static pressure/power failure) 137, and although not shown, may further include a key pad, a dome switch, a jog wheel, a jog switch, and the like.

In addition, the sensing unit 140 is the current state of the flexible device 100 such as the open/closed state of the flexible device 100, the location of the flexible device 100, the presence of user contact, the orientation of the flexible device, and acceleration/deceleration of the flexible device. When the flexible device 100 is in the form of a slide phone, for example, when the flexible device 100 is in the form of a slide phone, whether the slide phone is opened or closed may be sensed.

In addition, it is also possible to sense whether the power supply unit 190 supplies power or whether the interface unit 170 is coupled to an external device.

Meanwhile, the sensing unit 140 may include a proximity sensor 141.

Subsequently, the output unit 150 is for generating an output related to visual, auditory or tactile sense, and includes the display unit 151, the sound output module 152, the alarm unit 153, and the haptic module 154. May be included.

Next, the display unit 151 displays information processed by the flexible device 100. For example, when the flexible device is in a call mode, it displays a call-related UI (User Interface) or a GUI (Graphic User Interface), and , When the flexible device 100 is in a video call mode or a photographing mode, a photographed or/and received image or a UI or GUI is displayed.

The display unit 151 includes a liquid crystal display (LCD), a thin film transistor-liquid crystal display (TFT LCD), an organic light-emitting diode (OLED), and a flexible display. display) and a 3D display, and some of these displays may be configured as a transparent type or a light-transmitting type so that the outside can be seen through the display.

This may be referred to as a transparent display, and a representative example of a transparent display is TOLED (Transparant OLED), and the rear structure of the display unit 151 may also be configured as a light transmission type structure. An object located behind the terminal body can be viewed through an area occupied by the display unit 151 of the body.

There may be two or more display units 151 depending on the implementation form of the flexible device 100. For example, in the flexible device 100, a plurality of display units may be spaced apart or integrally disposed on one surface. Also, they may be disposed on different sides.

When the display unit 151 and the touch sensor 137 form a mutual layer structure or are integrally formed (hereinafter, referred to as'touch screen'), the display unit 151 may be used as an input device in addition to an output device. have.

For example, when the touch sensor has a shape of a touch film, a touch sheet, a touch pad, etc., it may be stacked on the display unit 151 to form a layer structure, or included in the configuration of the display unit 151 to be integrated. Can be done.

The touch sensor may be configured to convert a change in pressure applied to a specific portion of the display unit 151 or a capacitance generated at a specific portion of the display unit 151 into an electrical input signal.

Here, the touch sensor may be configured to detect not only the touched position and area, but also the pressure at the time of touch. When there is a touch input to the touch sensor, the corresponding signal(s) is a touch controller (not shown). ), and the touch controller processes the signal(s) and then transmits the corresponding data to the controller 180, so that the controller 180 can know which area of the display unit 151 has been touched. There will be.

In addition, the proximity sensor 141 may be disposed in an inner area of the flexible device wrapped by the touch screen or near the touch screen, and the proximity sensor is the presence or absence of an object approaching a predetermined detection surface or an object existing nearby. It refers to a sensor that detects without mechanical contact by using the force of an electromagnetic field or infrared rays, and a proximity sensor has a longer life and a higher utilization than a contact sensor.

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

When the touch screen is capacitive, it is configured to detect the proximity of the pointer due to a change in the electric field according to the proximity of the pointer. In this case, the touch screen (touch sensor) may be classified as a proximity sensor.

Next, the sound output module 152 may output audio data received from the wireless communication unit 110 or stored in the memory 160 in a call signal reception, a call mode or a recording mode, a voice recognition mode, a broadcast reception mode, etc. The output module 152 may also output sound signals related to functions (eg, call signal reception sound, message reception sound, etc.) performed by the flexible device 100. The sound output module 152 includes a receiver, A speaker, a buzzer, and the like may be included.

In addition, the alarm unit 153 outputs a signal for notifying the occurrence of an event of the flexible device 100, and examples of events occurring in the flexible device include call signal reception, message reception, key signal input, and touch input. The alarm unit 153 may output a signal for notifying the occurrence of an event in a form other than a video signal or an audio signal, for example, by vibration.

Since the video signal or audio signal can also be output through the display unit 151 or the audio output module 152, in this case, the display unit 151 and the audio output module 152 can be classified as a kind of the alarm unit 153. May be.

In addition, the haptic module 154 generates various tactile effects that the user can feel, and a representative example of the tactile effect generated by the haptic module 154 is vibration, and the haptic module 154 generates The intensity and pattern of vibration can be controlled.

In addition to vibration, the haptic module 154 is used for stimulation such as an arrangement of pins that move vertically with respect to the contact skin surface, a blowing force or suction force of air through a jet or inlet, a grazing on the skin surface, contact of an electrode, and electrostatic force. It can generate various tactile effects, such as the effect by the effect and the effect by reproducing the feeling of coolness using an endothermic or heat generating element.

In addition, the haptic module 154 may not only transmit a tactile effect through direct contact, but also implement the user to feel the tactile effect through muscle sensations such as a finger or an arm, and the haptic module 154 is a flexible device. Two or more may be provided depending on the configuration aspect of (100).

Subsequently, the memory unit 160 may store a program for processing and control of the controller 180, and input/output data (eg, a phone book, a message, an audio, a still image, a video, etc.). It can also perform a function for temporary storage.

The memory unit 160 may store the frequency of use of each data (for example, the frequency of use of each phone number, each message, and each multimedia), and the memory unit 160 may store a touch input on the touch screen. It is also possible to store data on vibrations and sounds of various patterns that are output.

The memory 160 is a flash memory type, a hard disk type, a multimedia card micro type, a card type memory (for example, SD or XD memory), and RAM. (Random Access Memory, RAM), SRAM (Static Random Access Memory), ROM (Read-Only Memory, ROM), EEPROM (Electrically Erasable Programmable Read-Only Memory), PROM (Programmable Read-Only Memory), magnetic memory, magnetic It may include at least one type of storage medium among a disk and an optical disk.

The flexible device 100 may operate in connection with a web storage that performs a storage function of the memory 160 over the Internet.

In addition, the interface unit 170 serves as a passage between all external devices connected to the flexible device 100, and the interface unit 170 receives data from an external device or receives power to the flexible device 100 It is transmitted to each internal component, or data inside the flexible device 100 is transmitted 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 equipped with an identification module, an audio input/output (I/O) port, A video input/output (I/O) port, an earphone port, etc. may be included in the interface unit 170.

Subsequently, the identification module is a chip that stores various types of information for authenticating the use right of the flexible device 100, and includes a user identification module (UIM), a subscriber identification module (SIM), and universal user authentication. A module (Universal Subscriber Identity Module, USIM), or the like, and a device equipped with an identification module (hereinafter, referred to as'identification device') may be manufactured in the form of a smart card.

Accordingly, the identification device may be connected to the terminal 100 through the port.

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

Next, the controller 180 typically controls the overall operation of the flexible device. For example, the controller 180 performs control and processing related to voice calls, data communication, and video calls. A multimedia module 181 for playback may be provided, and the multimedia module 181 may be implemented in the controller 180, or may be implemented separately from the controller 180, and the controller 180 is performed on a touch screen. May perform pattern recognition processing capable of recognizing handwriting input or drawing input as characters and images, respectively.

Then, the power supply unit 190 receives external power and internal power under the control of the controller 180 to supply power necessary for the operation of each component, and the power supply unit 190 includes, for example, a battery, It may include a connection port, a power supply control unit, and a charging monitoring unit.

Next, the battery may be a built-in battery made to be rechargeable, and may be detachably coupled to the terminal body for charging, etc., and the connection port is an interface to which an external charger that supplies power for charging the battery is electrically connected. It may be configured as an example of (170).

Additionally, the input mode conversion device 500 includes a display unit for displaying a user input, a warp detection unit for detecting bending of the display unit, and an input mode conversion unit for converting a user input mode according to the bending of the display unit. And a user input unit for inputting a user input corresponding to the user input to the display unit according to the user input mode conversion, and a control unit for controlling the input mode conversion unit and the user input unit.

Here, the bending detection unit may be a piezoelectric sensor.

Subsequently, a plurality of warp detection units may be arranged in the display unit at predetermined intervals.

In addition, the warpage detection unit may be arranged at regular intervals in parallel in at least one of a horizontal direction, a vertical direction, and a diagonal direction of the display unit.

Next, the input mode conversion unit includes a measurement unit that measures current according to the detection of the bending detection unit, an amplification unit that amplifies the measured current, a storage unit that stores the amplified current value, and based on the stored current values, the current It may include an analysis unit that analyzes a pattern, a search unit that searches for an input mode corresponding to a current pattern, and a conversion unit that converts a current input mode into a searched input mode.

Here, the current pattern analyzed by the analysis unit includes a first pattern in which the current measured from the warpage detection unit arranged in the vertical direction of the display unit has a maximum value, and the warpage detection arranged in the horizontal direction of the display unit. At least one of a second pattern in which the current measured from the unit has a maximum value, and a third pattern in which the current measured from the warpage detection unit arranged in a diagonal edge region of the display unit has a maximum value.

And, the input mode corresponding to the current pattern is, among keyboard input modes, at least one of stroke addition input, double consonant input, English case conversion input, number input, special symbol input, deletion, line/space shift input, It can be an input mode.

Subsequently, the input mode conversion unit may input a user input corresponding thereto to the display unit according to at least one of a degree of bending of the display unit, a bending direction, a bending time, and a number of bendings.

The various embodiments described herein may be implemented in a recording medium that can be read by a computer or a similar device using, for example, software, hardware, or a combination thereof. Examples are ASICs (application specific integrated circuits), DSPs (digital signal processors), DSPDs (digital signal processing devices), PLDs (programmable logic devices), FPGAs (field programmable gate arrays), processors (processors), controllers (controllers) , Micro-controllers, microprocessors, and may be implemented using at least one of an electrical unit for performing other functions.

In some cases, the embodiments described in this specification may be implemented by the controller 180 itself, and according to a software implementation, embodiments such as procedures and functions described in this specification may be implemented as separate software modules. Each of the software modules may perform one or more functions and operations described herein, and a software code may be implemented as a software application written in an appropriate programming language, and the software code is stored in the memory 160 , May be executed by the controller 180.

2 is a block diagram showing an apparatus for converting an input mode of a flexible device according to the present invention.

As shown in FIG. 2, the input mode conversion device 500 includes a warp detection unit 510, an input mode conversion unit 520, a user input unit 130, a display unit 151, and a control unit 180 It may include.

Here, the bending detection unit 510 may detect bending of the display unit 151.

In this case, the bending detection unit 510 may be a piezoelectric sensor, but is not limited thereto.

In addition, a plurality of warp detection units 510 may be arranged in the display unit 151 at regular intervals.

In some cases, the warpage detection unit 510 may be arranged in a horizontal direction, a vertical direction, and a diagonal direction of the display unit 151 in at least one direction at a predetermined interval.

For example, if the warpage detection units 510 adjacent to each other in the horizontal direction of the display unit 151 have a first gap, the warpage detection units 510 adjacent to each other in the vertical direction of the display unit 151 If the warpage detection units 510 that have a second distance and are adjacent to each other in the diagonal direction of the display unit 151 have a third distance, at least one of the first, second, and third distances may be different. have.

In addition, the warpage detection unit 510 may be inserted into at least one of the substrate and the emission layer of the display unit 151.

In some cases, the warp detection unit 510 may be disposed between pixels of the display unit 151, and there may be one or more pixels disposed between the warp detection units 510 adjacent to each other.

Meanwhile, the input mode conversion unit 520 may convert a user input mode according to the bending of the display unit 151.

Here, the input mode conversion unit 520 may include a measurement unit, an amplification unit, a storage unit, an analysis unit, a search unit, and a conversion unit.

The measurement unit of the input mode conversion unit 520 may measure current according to the detection of the warpage detection unit 510, and the amplification unit may amplify the measured current.

In this case, when the measurement unit of the input mode conversion unit 520 includes a plurality of sensors, the current measurement time for each sensor may be different.

As an example, when the bending detection unit 510 includes a plurality of sensors, the measurement unit of the input mode conversion unit 520 may sequentially measure current for each sensor.

In some cases, the measurement unit of the input mode conversion unit 520 may have the same current measurement time for each sensor when the warpage detection unit 510 includes a plurality of sensors.

Subsequently, the storage unit may store the amplified current value, and the analysis unit may analyze the current pattern based on the stored current values.

For example, the current pattern analyzed by the analysis unit is a first pattern in which the current measured by the warpage detection unit 510 arranged in the center region in the vertical direction of the display unit 151 has a maximum value, and the display unit 151 ), the second pattern having the maximum current measured from the warpage detector 510 arranged in the central region of the horizontal direction, and the warpage detector 510 arranged in the edge region in the diagonal direction of the display unit 151 The current measured from) may be at least any one of the third patterns having the maximum value.

However, the current pattern is not limited thereto.

In addition, the search unit of the input mode conversion unit 520 may search for an input mode corresponding to a current pattern.

Here, the input mode corresponding to the current pattern is, for example, of the keyboard input mode, of stroke addition input, double consonant input, English case conversion input, number input, special symbol input, deletion, line/space movement input, It may be at least one input mode.

Next, the conversion unit of the input mode conversion unit 520 may convert a current input mode into a searched input mode.

As such, the input mode conversion unit 520 converts the input mode according to the bending of the display unit 151, but at least one of the degree of bending, the bending direction, the bending time, and the number of bending of the display unit 151 According to this, the input mode may be switched.

In addition, the user input unit 130 may input a user input corresponding thereto to the display unit 151 according to the user input mode conversion.

Subsequently, the display unit 151 may display a corresponding user input.

Next, the controller 180 may control the input mode conversion unit 520 and the user input unit 130.

In this way, the input mode conversion device of the configured flexible device arranges a warp detection unit that detects the warpage of the flexible device, and adds input modes for the degree of warpage, warpage direction, warpage frequency, warpage time, etc., thereby simplifying user input and , Can be stable.

Therefore, when the user uses the keyboard input, not only can the user input the keyboard stably and comfortably, but also the input speed is fast and input errors can be reduced.

3 is a view showing an arrangement interval of the warpage detection unit of FIG. 2.

As shown in FIG. 3, the bending detection unit is for detecting bending of the flexible device 100, and may be, for example, a piezoelectric sensor 210.

Here, a plurality of piezoelectric sensors 210 may be arranged in the display unit 151 at regular intervals.

In some cases, the piezoelectric sensors 210 may be arranged side by side in at least one of a horizontal direction, a vertical direction, and a diagonal direction of the display unit 151 at predetermined intervals.

At this time, the piezoelectric sensors 210 adjacent to each other in the horizontal direction of the display unit 151 may have an eleventh spacing d11 and a twelfth spacing d12, and the eleventh spacing d11 and the twelfth spacing d12 may be the same. have.

Further, the piezoelectric sensors 210 adjacent to each other in the vertical direction of the display unit 151 may have a thirteenth distance d13 and a 14th distance d14, and the thirteenth distance d13 and the 14th distance d14 may be the same. have.

Subsequently, the piezoelectric sensors 210 adjacent to each other in a diagonal direction of the display unit 151 may have a 15th interval d15 and a 16th interval d16, and the 15th interval d15 and the 16th interval d16 may be the same. have.

In some cases, the spacing between the piezoelectric sensors 210 adjacent to each other in the horizontal direction of the display unit 151 is a distance between the piezoelectric sensors 210 adjacent to each other in the vertical direction of the display unit 151 and the display Among the gaps between the piezoelectric sensors 210 adjacent to each other in the diagonal direction of the part 151, at least one gap may be different from or may be the same.

Here, the spacing between the piezoelectric sensors 210 is an important factor in the present invention because it has an effect on determining the bending shape and the degree of bending of the flexible device by analyzing the current pattern according to the arrangement of the piezoelectric sensors 210 Can be

Accordingly, the spacing between the piezoelectric sensors 210 may be determined according to the input mode corresponding to the bending pattern of the flexible device.

4A and 4B are cross-sectional views taken along the line I-I of FIG. 3, and FIG. 4A is a first embodiment showing the position of the piezoelectric sensor, and FIG. 4B is a second embodiment showing the location of the piezoelectric sensor.

As shown in FIGS. 4A and 4B, the piezoelectric sensor 210 may be disposed in the display area of the flexible device or in the non-display area of the flexible device.

In some cases, it may be disposed in both the display area and the non-display area of the flexible device.

In addition, the piezoelectric sensor 210 may be inserted into at least one of the substrate 51 and the light emitting layer 52 of the display unit.

For example, as shown in FIG. 4A, when a groove is formed in the substrate 51, the piezoelectric sensor 210 may be disposed in the groove of the substrate 51.

Here, the piezoelectric sensor 210 may be disposed under the emission layer 52.

In some cases, as shown in FIG. 4B, the piezoelectric sensor 210 may be disposed on the substrate 51.

Here, the piezoelectric sensor 210 may be inserted and disposed in the light emitting layer 52.

As another case, the piezoelectric sensor 210 may be disposed both inside the groove of the substrate 51, on the surface of the substrate 51, and on the substrate 51, or may be disposed only partially.

5A and 5B are diagrams illustrating piezoelectric sensors disposed between pixels.

As shown in FIGS. 5A and 5B, the piezoelectric sensor 210 may be disposed between the pixels 53 of the display unit.

Here, each pixel 53 may include a red sub pixel 53a, a green sub pixel 53b, and a blue sub pixel 53c. have.

In this case, the piezoelectric sensor 210 may be disposed between the pixels 53 including the red sub-pixel 53a, the green sub-pixel 53b, and the blue sub-pixel 53c, as shown in FIG. 5A. .

That is, one pixel 53 may be disposed between the piezoelectric sensors 210 adjacent to each other.

In some cases, as shown in FIG. 5B, one or more pixels 53 may be disposed between the piezoelectric sensors 210 adjacent to each other.

6 is a block diagram illustrating an input mode conversion unit of FIG. 2.

As shown in FIG. 6, the input mode conversion unit 520 includes a measurement unit 521, an amplification unit 522, a storage unit 523, an analysis unit 524, a search unit 525, and a conversion unit ( 526).

Here, the measurement unit 521 may measure current according to the bending detection of the bending detection unit.

In this case, when the bending detection unit includes a plurality of sensors, the measurement unit 521 may have different current measurement times for each sensor.

That is, the measurement unit 521 may sequentially measure the current for each sensor.

For example, the measurement unit 521 may measure the sensing current from the first sensor to the last sensor, and then repeatedly measure the sensing current for the first sensor.

In some cases, the measurement unit 521 may have the same current measurement time for each sensor when the warpage detection unit includes a plurality of sensors.

For example, the measurement unit 521 may simultaneously measure sensing currents for all sensors.

In addition, the amplification unit 522 amplifies the current measured from the sensor, so that even the finely sensed current can clearly measure the current value.

Subsequently, the storage unit 523_ may store the amplified current value, and the analysis unit 524 may analyze the current pattern based on the stored current values.

For example, the current pattern analyzed by the analysis unit 524 is a pattern in which the current measured from the bending detection unit arranged in the center region in the vertical direction of the display unit has a maximum value when the flexible device is bent around the vertical axis. I can.

In some cases, the current pattern analyzed by the analysis unit 524 is a pattern in which the current measured from the bending detection unit arranged in the central area in the horizontal direction of the display unit has a maximum value when the flexible device is bent around the horizontal axis. May be.

As another case, the current pattern analyzed by the analysis unit 524 is a pattern in which the current measured from the warpage detection unit arranged in the diagonal edge area of the display unit has a maximum value when the edge area of the flexible device is bent. May be.

However, the current pattern is not limited thereto, and may have various patterns.

In addition, the search unit 525 may search for an input mode corresponding to the current pattern from the storage unit 523.

Here, the input mode corresponding to the current pattern is, for example, of the keyboard input mode, of stroke addition input, double consonant input, English case conversion input, number input, special symbol input, deletion, line/space movement input, It may be at least one input mode.

Next, the conversion unit 526 may convert the current input mode into the searched input mode.

7A and 7B are views showing the bending of the flexible device according to the present invention.

7A and 7B, the flexible device 100 includes a bar-shaped terminal body, but is not limited thereto.

Here, the body of the flexible device 100 includes a case 101 forming an exterior, the case may be divided into a front case and a rear case, and between the front case and the rear case Various electronic components may be embedded in the formed space.

In some cases, electronic components may be mounted on the surface of the rear case, and electronic components mounted on the surface of the rear case include batteries, USIM cards, and memory cards that require detachment by the user.

In addition, the case 101 of the flexible device 100 includes a display unit 151, an audio output unit 152, a camera (not shown), a user input unit 130, a microphone (not shown), an interface (not shown), etc. Can be placed.

The display unit 151 occupies most of the main surface of the front case. Among both ends of the display unit 151, an audio output unit 152 and a camera (not shown) are disposed in an area adjacent to one end, and at the other end. A user input unit 130 and a microphone (not shown) may be disposed in an adjacent area.

Subsequently, the user input unit 130 is manipulated to receive a command for controlling the operation of the flexible device 100, and there may be a button method that recognizes when a user applies pressure, and touches the display unit 151 There may be a touch method that includes a sensor and receives a user's command only by the user's touch.

In addition, the flexible device 100 may have a thin thickness so that it can be bent by applying force to a hand held by the user.

Accordingly, the flexible device 100 of the present invention can be bent in various forms according to the direction of the force of the hand held by the user.

8A and 8B are a first embodiment showing a bending direction of a flexible device according to an external force. FIG. 8A is a view showing a flexible device bent along a vertical axis, and FIG. 8B is a view showing a flexible device bending along a horizontal axis.

As shown in FIG. 8A, when an external force is applied from the left and right sides of the flexible device 100, the flexible device 100 may bend around a vertical axis.

In this case, since the central region of the vertical axis of the flexible device 100 bends the most, the most pressure is applied and the edge region of the vertical axis is bent the least, so that the least pressure can be applied.

Accordingly, the piezoelectric sensor disposed in the central region of the vertical axis of the flexible device 100 receives the most pressure, and the piezoelectric sensor disposed in the edge region of the vertical axis receives the least pressure, The current value measured from the piezoelectric sensor disposed in the center region of the vertical axis will be greater than the current value measured from the piezoelectric sensor disposed in the edge region of the vertical axis.

Subsequently, as shown in FIG. 8B, when an external force is applied from the upper and lower sides of the flexible device 100, the flexible device 100 may bend around a horizontal axis.

In this case, since the central region of the horizontal axis of the flexible device 100 bends the most, the most pressure is applied and the edge region of the horizontal axis is bent the least, and thus the least pressure can be applied.

Accordingly, the piezoelectric sensor disposed in the center region of the horizontal axis of the flexible device 100 receives the most pressure, and the piezoelectric sensor disposed in the edge region of the horizontal axis receives the lowest pressure, so that the flexible device 100 The current value measured from the piezoelectric sensor disposed in the center region of the horizontal axis will be greater than the current value measured from the piezoelectric sensor disposed in the edge region of the horizontal axis.

By analyzing the current pattern based on the current value of the piezoelectric sensor, it is possible to know the bending pattern of the flexible device.

9A and 9B are a second embodiment showing a bending direction of a flexible device according to an external force, and FIG. 9A is a view showing a flexible device in which one corner region is bent, and FIG. 9B is a flexible device in which a plurality of corner regions bend. It is a drawing showing.

As shown in FIG. 9A, when an external force is applied in a diagonal direction between a horizontal axis and a vertical axis of the flexible device 100, the flexible device 100 may have a corner area bent.

In this case, since the edge region of the flexible device 100 is bent the most, the most pressure is applied and the remaining region is hardly bent, so that only a very fine pressure is applied or no pressure is applied at all.

Therefore, since the piezoelectric sensor disposed in the edge area of the flexible device 100 receives the most pressure, the current value measured from the piezoelectric sensor disposed in the edge area of the flexible device 100 is the piezoelectric sensor disposed in the remaining area. It will be larger than the current value measured from the sensor.

Next, as shown in FIG. 9B, when an external force is applied in a diagonal direction between a horizontal axis and a vertical axis of the flexible device 100, the flexible device 100 may bend a plurality of corner areas.

In this case, since the piezoelectric sensors disposed in the plurality of corner regions of the flexible device 100 receive the most pressure, the current value measured from the piezoelectric sensors disposed in the plurality of corner regions of the flexible device 100 is It will be greater than the current value measured from the piezoelectric sensor placed in the area.

By analyzing the current pattern based on the current value of the piezoelectric sensor, it is possible to know the bending pattern of the flexible device.

10A to 10C are diagrams showing current patterns according to bending of the flexible device.

As shown in FIGS. 10A to 10C, a plurality of piezoelectric sensors for detecting the bending of the flexible device 100 may be disposed in the flexible device 100.

Here, in the piezoelectric sensor, for example, the first, second, third, and fourth piezoelectric sensors 210-1, 210-2, 210-3, 210-4 are arranged side by side at a predetermined interval in the horizontal axis direction. I can.

And, as shown in FIG. 10B, when the flexible device 100 is bent around the vertical axis, the central region of the vertical axis of the flexible device 100 is bent the most, so that the most pressure is applied, and the edge region of the vertical axis is The least bends, so the least pressure can be applied.

Accordingly, the second and third piezoelectric sensors 210-2 and 210-3 disposed in the central region of the vertical axis of the flexible device 100 receive the most pressure, and the first and third piezoelectric sensors 210-2 and 210-3 are disposed in the edge region of the vertical axis. The fourth piezoelectric sensors 210-1 and 210-4 are subjected to the least pressure.

Therefore, as shown in FIG. 10C, the current values measured from the second and third piezoelectric sensors 210-2 and 210-3 arranged in the center region of the vertical axis of the flexible device 100 are arranged in the edge region of the vertical axis. It may be greater than the current values measured from the first and fourth piezoelectric sensors 210-1 and 210-4.

By analyzing the current pattern based on the current value of the piezoelectric sensor, the bending pattern of the flexible device 100 can be known.

Accordingly, the present invention can variously convert the user input mode according to the bending pattern of the flexible device 100.

In addition, in the present invention, based on the current value of the piezoelectric sensor, it is possible to know the degree of bending, the direction of bending, the bending time, and the number of bending of the flexible device 100, so that the degree of bending, the bending direction, and the bending of the flexible device 100 The user input mode can also be switched depending on the time, the number of warpages, and the like.

11A and 11B are diagrams showing a current pattern according to a degree of warpage of a flexible device.

As shown in FIGS. 11A and 11B, a plurality of piezoelectric sensors for detecting the bending of the flexible device 100 may be disposed in the flexible device 100.

Here, in the piezoelectric sensor, for example, the first, second, third, and fourth piezoelectric sensors 210-1, 210-2, 210-3, 210-4 are arranged side by side at a predetermined interval in the horizontal axis direction. I can.

In addition, when the flexible device 100 is bent around the vertical axis, the second and third piezoelectric sensors 210-2 and 210-3 disposed in the central region of the vertical axis of the flexible device 100 have the greatest pressure. After receiving, the first and fourth piezoelectric sensors 210-1 and 210-4 disposed in the edge region of the vertical axis receive the least pressure.

Accordingly, the current values measured by the second and third piezoelectric sensors 210-2 and 210-3 disposed in the central region of the vertical axis of the flexible device 100 are the first and the first ones disposed in the edge regions of the vertical axis. 4 It may be greater than the current value measured from the piezoelectric sensors 210-1 and 210-4.

Here, the flexible device 100 may have a small degree of warpage, as shown in FIG. 11A, and may have a large degree of warpage, as shown in FIG. 11B. If the flexion of the flexible device 100 is large, accordingly, measured from a piezoelectric sensor The current value can also be increased.

Therefore, according to the present invention, the user input mode can be changed even according to the degree of bending of the flexible device 100.

In addition, according to the present invention, not only the degree of bending of the flexible device 100 but also the direction of bending, the bending time, the number of bending, etc., the user input mode can be changed.

Here, the user input mode that can be converted is, for example, of the keyboard input mode, during stroke addition input, double consonant input, English case conversion input, number input, special symbol input, deletion, line/space movement input, It may be at least one input mode.

12 is a diagram illustrating a convertible user input mode according to an embodiment of the present invention.

As illustrated in FIG. 12, the flexible device 100 may include a display unit 151.

The display unit 151 may include a keyboard input display area 310 and a keyboard input unit 320.

Here, the keyboard input unit 320 may include a character consonant and vowel input unit 321, an additional function unit 322, and a special function unit 323.

In this case, the additional input function unit 322 may be, for example, a stroke addition input function unit, a double consonant input function unit, or the like.

In addition, the special input function unit 323 may be, for example, an English case conversion input function unit, a number input function unit, a special symbol input function unit, a deletion function unit, and a line/cell movement input function unit.

Accordingly, the present invention, according to the bending of the flexible device 100, in the keyboard input mode, stroke addition input, double consonant input, English case conversion input, number input, special symbol input, deletion, line / cell movement Among the inputs, at least one input may be converted into a user input mode.

In some cases, the present invention may convert at least one of the keyboard input modes, consonant input and vowel input, into a user input mode according to the bending of the flexible device 100.

13 is a diagram illustrating a conversion of a stroke addition input to a user input mode, FIGS. 14A and 14B are diagrams illustrating a method of inputting a character caddy, and FIGS. 15A and 15B are diagrams illustrating a method of turning on a character.

As shown in FIG. 13, the flexible device 100 may replace the bending of the flexible device 100 with a user input without the user directly touching the stroke addition input.

For example, as shown in FIGS. 14A and 14B, when inputting a character kya, the user inputs a consonant by touching the a consonant button, and when the user bends the flexible device 100, the flexible device 100 Is detected as a stroke addition input, and is converted to a consonant by performing a stroke addition input.

Subsequently, the user touches the ㅏㅓ vowel button again to input the ㅏ vowel, and when the user bends the flexible device 100, the flexible device 100 detects it as a stroke addition input and performs the stroke addition input, thereby making the ㅏ vowel. ㅑ By converting to a vowel, it is possible to input a character kya.

As another example, as shown in FIGS. 15A and 15B, when a character is input, the user touches the a consonant button to input a consonant, and when the user bends the flexible device 100, the flexible device 100 ) Is detected as a stroke addition input, and converted into a consonant by performing a stroke addition input.

Subsequently, the user touches the ㅏㅓ vowel button twice again to input the ㅓ vowel. When the user bends the flexible device 100, the flexible device 100 detects it as a stroke addition input and performs a stroke addition input, By converting vowels to ㅕ vowels, you can enter characters.

16 and 17 are diagrams showing conversion of a vowel input to a user input mode, FIG. 16 is a diagram showing a method of inputting text, and FIG. 17 is a diagram showing a method of inputting text.

As shown in FIGS. 16 and 17, the flexible device 100 may replace the bending of the flexible device 100 with a user input without the user directly touching the vowel input.

As an example, as shown in FIG. 16, when inputting text, the user touches the ㅇ consonant button to input the ㅇ consonant, and the user touches the ㅢ vowel button twice without bending the flexible device 100 By entering the l vowel, you can enter the letter it.

And, as shown in FIG. 17, when inputting a character's meaning, the user touches the ㅇ consonant button to input the ㅇ consonant, and touches the ㅢ vowel button again to input the ㅡ vowel, and then the user enters the flexible device ( If 100) is bent, the flexible device 100 detects as a vowel input and performs vowel input, thereby converting a vowel to a vowel ㅢ, thereby inputting a character righteousness.

18 is a diagram illustrating a conversion of an English case conversion input into a user input mode, and a diagram illustrating an input method of an English letter A.

As shown in FIG. 18, the flexible device 100 may replace the bending of the flexible device 100 with a user input without the user directly touching input for converting English case.

For example, as shown in FIG. 18, when inputting alphabet A, the user touches a lowercase button to input a alphabet, and when the user bends the flexible device 100, the flexible device 100 It is possible to input the letter A by converting the letter a to the letter A by detecting it as a /lowercase conversion input and performing a capital letter conversion input.

Up to now, the conversion of the user input mode according to the bending of the flexible device has been described as an example, but the user input mode can also be converted according to the degree of bending, the bending direction, the number of bending, and the bending time of the flexible device.

For example, depending on the degree of warping of the flexible device 100, if the degree of warping is small, it may be recognized as a stroke addition input in the keyboard input mode, and if the degree of warping is large, it may be recognized as a double consonant input.

As another case, depending on the bending direction of the flexible device 100, if it is bent in the horizontal axis direction, it is recognized as a stroke addition input in the keyboard input mode, and if it is bent in the vertical axis direction, it may be printed as a diconsonant input.

As another case, depending on the number of bending of the flexible device 100, the first bend, in the keyboard input mode, is recognized as stroke addition input, the second bend, double consonant input, and 3 times bend, English large It can also be recognized as a /lowercase conversion input.

As another case, depending on the bending time of the flexible device 100, if the bending time is short, it may be recognized as a stroke addition input in the keyboard input mode, and if the bending time is long, it may be recognized as a double consonant input.

As described above, according to the present invention, the user input mode can be changed according to not only the bending of the flexible device, but also the degree of bending, bending direction, number of bending, bending time, and the like.

19 is a flowchart illustrating a method of converting an input mode of a flexible device according to the present invention, and FIG. 20 is a flowchart illustrating a step of converting a user input mode of FIG. 19.

19 and 20, the bending detection unit of the flexible device may detect bending of the display unit (S20).

In addition, the user input mode conversion unit may convert the user input mode according to a control signal from the control unit and a warpage of the display unit (S30).

Here, the measurement unit of the user input mode conversion unit may measure a current according to the bending detection of the display unit from the bending detection unit (S31).

At this time, the measuring unit of the user input mode conversion unit may sequentially measure a current value from each warp detection unit according to a control signal from the control unit, or in some cases, may simultaneously measure a current value from all warpage detection units. .

Next, the amplification unit of the user input mode conversion unit may amplify the measured current according to the control signal of the control unit (S32).

Subsequently, the storage unit of the user input mode conversion unit may store the amplified current value (S33).

In addition, the analysis unit of the user input mode conversion unit may analyze the current pattern based on the stored current values according to the control signal of the control unit (S34).

Here, the step of analyzing the current pattern is to check whether there is a current value greater than the reference value among the current values, and if there is a current value greater than the reference value, at least one of the degree of warpage of the display unit, the warpage direction, the warpage time, and the number of warpages. According to any one, the current pattern can be analyzed.

Next, the search unit of the user input mode conversion unit may search for an input mode corresponding to the current pattern from the storage unit according to a control signal from the control unit (S35).

Subsequently, the conversion unit of the user input mode conversion unit may convert the current input mode into the searched input mode (S36).

Here, the step of converting to the searched input mode includes at least one of stroke addition input, double consonant input, English case conversion input, number input, special symbol input, deletion, line/space movement input, among keyboard input modes. One input can be input when the display unit is bent.

Then, the user input unit may input a user input corresponding thereto to the display unit according to the user input mode conversion (S40).

Subsequently, the display unit may display an input user input. (S50)

As described above, the present invention may change the user input mode according to the bending of the flexible device, but it can also be converted according to the degree of bending, the bending direction, the number of bending, the bending time of the flexible device.

For example, depending on the degree of warping of the flexible device 100, if the degree of warping is small, it may be recognized as a stroke addition input in the keyboard input mode, and if the degree of warping is large, it may be recognized as a double consonant input.

As another case, depending on the bending direction of the flexible device 100, if it is bent in the horizontal axis direction, it is recognized as a stroke addition input in the keyboard input mode, and if it is bent in the vertical axis direction, it may be printed as a diconsonant input.

As another case, depending on the number of bending of the flexible device 100, the first bend, in the keyboard input mode, is recognized as stroke addition input, the second bend, double consonant input, and 3 times bend, English large It can also be recognized as a /lowercase conversion input.

As another case, depending on the bending time of the flexible device 100, if the bending time is short, it may be recognized as a stroke addition input in the keyboard input mode, and if the bending time is long, it may be recognized as a double consonant input.

Accordingly, according to the present invention, the user input mode can be changed according to not only the bending of the flexible device, but also the degree of bending, bending direction, number of bending, bending time, and the like.

As described above, according to the present invention, by arranging a bending detection unit that detects bending of a flexible device, and adding an input mode for the degree of bending, bending direction, number of bending, bending time, etc., user input can be simple and stable.

Therefore, when the user uses the keyboard input, not only can the user input the keyboard stably and comfortably, but also the input speed is fast and input errors can be reduced.

In the above, preferred embodiments of the present invention have been illustrated and described, but the present invention is not limited to the specific embodiments described above, and is generally used in the technical field to which the present invention belongs without departing from the gist of the present invention claimed in the claims. Of course, various modifications may be implemented by those skilled in the art, and these modifications should not be understood individually from the technical idea or prospect of the present invention.

100: flexible device 130: user input unit
151: display unit 180: control unit
210: piezoelectric sensor 500: input mode conversion device
510: bending detection unit 520: input mode conversion unit
521: measuring unit 522: amplifying unit
523: storage unit 524: analysis unit
525: search unit 526: conversion unit

Claims (19)

A display unit that displays a user input;
A touch sensor sensing a touch of the display unit;
A bending detection unit that detects bending of the display unit;
An input mode conversion unit for converting a user input mode according to the bending of the display unit;
A user input unit for inputting a user input corresponding to the touch or a user input corresponding to the user input mode conversion to the display unit; And,
A control unit for controlling the input mode conversion unit and the user input unit,
The display unit
Display a keyboard input unit to enable a user input corresponding to the touch,
The user input mode is
It characterized in that it comprises at least one input mode of stroke addition input, double consonant input, English case/lower case conversion input, number input, special symbol input, deletion, line/space movement input included in the keyboard input unit
Input mode conversion device for flexible devices. The method of claim 1, wherein the bending detection unit,
An input mode conversion device for a flexible device, characterized in that it is a piezoelectric sensor. The method of claim 1, wherein the bending detection unit,
An input mode conversion apparatus for a flexible device, characterized in that a plurality of the display units are arranged at regular intervals. The method of claim 1, wherein the bending detection unit,
An input mode conversion apparatus for a flexible device, wherein the display unit is arranged in a horizontal direction, a vertical direction, or a diagonal direction at a predetermined interval in at least one direction. The method of claim 4,
The warp detection units adjacent to each other in the horizontal direction of the display unit have a first distance,
The warpage detection units adjacent to each other in the vertical direction of the display unit have a second distance,
Warpage detection units adjacent to each other in a diagonal direction of the display unit have a third distance,
An apparatus for converting an input mode of a flexible device, wherein at least one of the first, second, and third intervals is different. The method of claim 1, wherein the bending detection unit,
An input mode conversion apparatus for a flexible device, characterized in that inserted into at least one of the substrate and the light emitting layer of the display unit. The method of claim 1, wherein the bending detection unit,
Disposed between the pixels of the display unit,
The input mode conversion apparatus of a flexible device, characterized in that at least one pixel disposed between the warpage detection units adjacent to each other. The method of claim 1, wherein the input mode conversion unit,
A measuring unit for measuring a current according to the detection of the bending detection unit;
An amplification unit amplifying the measured current;
A storage unit for storing the amplified current value;
An analysis unit analyzing a current pattern based on the stored current values;
A search unit searching for an input mode corresponding to the current pattern; And,
And a conversion unit for converting the current input mode to the searched input mode. The method of claim 8, wherein the measuring unit of the input mode conversion unit,
When the bending detection unit includes a plurality of sensors, the input mode conversion apparatus of a flexible device, characterized in that the current measurement time for each of the sensors are different. The method of claim 8, wherein the measuring unit of the input mode conversion unit,
When the bending detection unit includes a plurality of sensors, the input mode conversion apparatus for a flexible device, characterized in that for sequentially performing current measurement for each of the sensors. The method of claim 8, wherein the measuring unit of the input mode conversion unit,
When the bending detection unit includes a plurality of sensors, the input mode conversion apparatus for a flexible device, characterized in that the current measurement time for each of the sensors are the same. The method of claim 8, wherein the current pattern analyzed by the analysis unit,
A first pattern in which a current measured from a warpage detection unit arranged in a central region in a vertical direction of the display unit has a maximum value,
A second pattern in which the current measured from the warpage detection unit arranged in the central region in the horizontal direction of the display unit has a maximum value, and,
An input mode conversion apparatus for a flexible device, characterized in that at least one of the third patterns in which the current measured from the warpage detection unit arranged in the edge region in the diagonal direction of the display unit has a maximum value. The method of claim 8, wherein the input mode corresponding to the current pattern,
Among the keyboard input modes, at least one input mode among stroke addition input, double consonant input, English case conversion input, number input, special symbol input, deletion, line/space movement input, Input mode conversion device. The method of claim 1, wherein the input mode conversion unit,
The apparatus for converting an input mode of a flexible device, wherein a user input corresponding thereto is input to the display unit according to at least one of a degree of bending of the display unit, a bending direction, a bending time, and a number of bendings. delete delete delete delete delete

Images