JP2013020522A - Display divice, display method, and program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a display device that realizes displayed information confidentiality and user's operability at the same time.SOLUTION: A portable telephone 1 includes: a display unit 11 that has a display area 11a capable of displaying an image; a touch sensor 12 that can specify the whole or part of the display area 11a of the display unit 11; and a control unit 200 that sets a specified area SA on the basis of specification information from the touch sensor 12, performs change processing for changing a color attribute difference on a target area TA corresponding to the touch sensor 12 in the image displayed on the display unit 11, and displays the image on the display unit 11.

Description

  The present invention relates to a display device, a display method for displaying a changed image on the display device, and a program for executing the display method.

Conventionally, some display devices such as mobile phones have a peep prevention function.
As such a display device, for example, there is a display device having a function of reducing the contrast of the screen so that it is difficult to see the screen from surrounding people, thereby reducing the visibility of the screen (for example, see Patent Document 1).

JP 2008-20750 A

However, since the display device of Patent Document 1 adjusts the contrast of the entire screen, the visibility of the entire screen is reduced.
In this case, it is difficult for the user of the display device to visually recognize the contents of the screen, and the workability for the user may be reduced.
Here, there is a demand for a display device capable of improving the visibility of only a portion necessary for the work while the visibility of the portion where the information to be concealed is displayed is lowered.

An object of this invention is to provide the display apparatus which can aim at coexistence with the secrecy of the displayed information, and a user's workability | operativity.
It is another object of the present invention to provide a display method capable of achieving both confidentiality of displayed information and user workability.
It is another object of the present invention to provide a program capable of executing a display method capable of achieving both confidentiality of displayed information and user workability.

  The present invention provides a display section having a display area capable of displaying an image, an area designating section capable of designating all or part of the display area of the display section, and a designated area based on designation information from the area designating section A control unit that changes the color attribute difference for the target region corresponding to the specified region among the images displayed on the display unit, and causes the display unit to display the change processing; It is related with a display apparatus provided with.

  In addition, as the change process, the control unit performs a first change process for reducing a color attribute difference with respect to the target area corresponding to the specified area in the image displayed on the display unit. Is preferred.

  Moreover, it is preferable that the said control part performs the said 1st change process by superimposing the said image and the 2nd image formed in the area | region corresponding to the said object area | region.

  In addition, when the control unit sets the area included in the predetermined area as the specified area in the state in which the first change process for reducing the color attribute difference with respect to the predetermined area is performed, the control unit corresponds to the specified area. It is preferable to perform a second change process for making a difference in color attributes larger than the state in which the first change process is performed on the target area.

  The control unit may include the image, a second image formed in a region corresponding to a non-target region excluding the target region in the predetermined region, and a third image formed in a region corresponding to the target region. And the first change process for reducing the difference in color attribute with respect to the predetermined area, and the color attribute than in the state in which the first change process is performed on the target area. It is preferable to perform the second change process for increasing the difference between the two.

  The area designating unit is disposed corresponding to the display area in the display unit, and includes a contact detection unit that detects a contact and a contact position of a contact object, and the control unit detects from the contact detection unit. The result can be accepted as operation input information, and the detection information in the area corresponding to the area subjected to the first change process is not accepted as the operation input, and the first unchanged area or the first The detection information in the area corresponding to the area subjected to the change process 2 is preferably accepted as an operation input.

  The control unit preferably performs the first change process again after a predetermined time with respect to the designated area on which the second change process has been performed.

  In addition, when the cursor is displayed in the area where the first change process has been performed, the control unit sets all or part of the area where the cursor is displayed or the area where the cursor can move as the designated area. It is preferable that the second change process is performed on the target area corresponding to the designated area.

  In addition, when the control unit is displaying the operation guide information that has not been subjected to the first change process, and there is an input to set the area where the operation guide information is displayed as the designated area, It is preferable to perform a process that does not accept the input, or to perform a second change process that makes a difference in color attribute larger than the state in which the change process is performed on the target area corresponding to the designated area.

Further, the area specifying unit is arranged corresponding to the display area on the display unit, it comprises a contact detection unit for detecting a contact and a contact position of the contact material, before Symbol controller, from the contact detection unit It is preferable to set the designated area based on the detection result.

  In addition, when the control unit detects a sliding movement in the contact object based on a detection result from the contact detection unit, the control unit preferably sets the designated area based on a sliding area in which the contact object slides. .

  Moreover, it is preferable that the said control part sets the area | region between two contact points to the said designation | designated area | region, when two contact is detected by the detection result from the said contact detection part.

Further, the display device includes one or a plurality of key units and a time measuring unit capable of measuring time,
The control unit detects that a predetermined key is pressed among the one or more keys, and detects that the predetermined key is pressed for a predetermined time or more based on timing information from the timing unit. In this case, it is preferable that all of the predetermined area is set as the designated area, and the first change process is canceled for the target area corresponding to the designated area.

  Moreover, it is preferable that the said control part performs the change of the said color attribute difference by changing 1 or more selected from lightness, saturation, hue, and a tone curve.

  Moreover, it is preferable that the said control part changes the difference of a color attribute on the basis of the color of the said character, when the character is contained in the said target area | region in the said image.

  Moreover, it is preferable that the said control part changes the difference of a color attribute on the basis of the color of the background in the said object area | region of the said image.

  In addition, when the image is enlarged or reduced, the control unit preferably enlarges or reduces the target area corresponding to the enlargement or reduction of the image.

  The present invention also provides a display method in which a display device having a display area capable of displaying an image and an area designating part for designating all or part of the display area of the display section displays an image. The display device sets a designated area based on designation information from the area designating unit, and the display device corresponds to the designated area among the images displayed on the display unit. The present invention relates to a display method including a step of changing a color attribute difference for a target area to be changed, and a step of causing the display device to display an image on which the change process has been performed on the display unit.

  The present invention also provides a display method for displaying an image on a display device having a display section having a display area capable of displaying an image and an area designating section for designating all or part of the display area of the display section. A program to be executed, wherein the display device sets a designated area based on designation information from the area designation unit, and the display device designates the designation among the images displayed on the display unit. The present invention relates to a program for executing a change process for changing a color attribute difference for a target area corresponding to an area, and causing the display device to display an image subjected to the change process on the display unit.

ADVANTAGE OF THE INVENTION According to this invention, the display apparatus which can aim at coexistence with the confidentiality of the displayed information and a user's workability | operativity can be provided.
Further, according to the present invention, it is possible to provide a display method capable of achieving both confidentiality of displayed information and user workability.
Further, according to the present invention, it is possible to provide a program capable of executing a display method capable of achieving both confidentiality of displayed information and user workability.

1 is an external perspective view of a mobile phone according to a first embodiment mobile phone. It is a block diagram which shows the function structure of the mobile telephone which concerns on 1st Embodiment. It is a figure explaining the 1st operation example of the mobile telephone 1 in the relaxation process of masking. It is a figure explaining the 2nd example of operation of cellular phone 1 in relaxation processing of masking. It is a figure explaining the 3rd operation example of the mobile telephone 1 in the relaxation process of masking. It is a figure explaining operation | movement of the mobile telephone 1 in a masking setting process. It is a figure explaining operation | movement of the mobile telephone 1 in an area | region movement process. FIG. 5 is a basic flowchart for explaining the operation in the mobile phone 1. It is a flowchart explaining operation | movement of the mobile telephone 1 in a masking relaxation process. It is a flowchart explaining operation | movement of the mobile telephone 1 in a masking setting process. FIG. 11 is a flowchart for explaining the operation of the mobile phone 1 in the area movement process. It is a figure explaining the 1st example of the display area 11a in 2nd Embodiment. It is a figure explaining the 2nd example of the display area 11a in 2nd Embodiment. It is a figure explaining the 1st aspect of the display area 11a in 3rd Embodiment. It is a figure explaining the 2nd aspect of the display area 11a in 3rd Embodiment.

Hereinafter, a mobile phone as a display device of the present invention will be described.
First, the mobile phone 1 according to the first embodiment will be described with reference to FIGS.
FIG. 1 is an external perspective view of a mobile phone according to the first embodiment. FIG. 2 is a block diagram showing a functional configuration of the mobile phone according to the first embodiment. FIG. 3 is a diagram for explaining a first operation example of the mobile phone 1 in the masking alleviation process. FIG. 4 is a diagram illustrating a second operation example of the mobile phone 1 in the masking alleviation process. FIG. 5 is a diagram for explaining a third operation example of the mobile phone 1 in the masking alleviation process. FIG. 6 is a diagram for explaining the operation of the mobile phone 1 in the masking setting process. FIG. 7 is a diagram for explaining the operation of the mobile phone 1 in the area movement process. FIG. 8 is a basic flowchart for explaining the operation of the mobile phone 1. FIG. 9 is a flowchart for explaining the operation of the mobile phone 1 in the masking mitigation process. FIG. 10 is a flowchart for explaining the operation of the mobile phone 1 in the masking setting process. FIG. 11 is a flowchart for explaining the operation of the mobile phone 1 in the area movement process.

  As shown in FIG. 1, the mobile phone 1 (display device) includes a housing 2. The housing 2 includes a display unit 11 (display unit), a touch sensor 12 (contact detection unit, region specifying unit), a pressing force detection unit 13, a microphone 14, a speaker 15, a key 16, and a case member 20. And comprising.

The display unit 11 is configured to display an image. Here, the image is a concept including a character string, an icon, a screen set for each application, and the like.
The display unit 11 has a display area 11a for displaying an image.
The display unit 11 is accommodated in the housing 2 so that the display area 11a is visible from the outside.
The display unit 11 is a display device using liquid crystal in the present embodiment. The display unit 11 includes a drive circuit and a light source unit such as a backlight that emits light from the back side.
The display unit 11 is electrically connected to a circuit board (not shown) disposed inside the housing 2 via a flexible printed board or the like.
Here, as a display member, a display device using organic EL (electroluminescence), inorganic EL, electronic ink, or the like may be used. An example of a display device using electronic ink is electronic paper.

The touch sensor 12 is arranged corresponding to the display area 11 a in the display unit 11. For example, the touch sensor 12 is disposed on the surface of the display unit 11 on the display area 11a side so as to cover all or part of the display area 11a. The touch sensor 12 is translucent and the display area 11a of the display unit 11 is visible.
The touch sensor 12 detects a contact and a contact position on a contact object such as a user's finger and a touch pen. The touch sensor 12 detects coordinate information at the contact position of the contact object. The touch sensor 12 outputs the detected position information (coordinate information) to the control unit 200 (position detection unit 210) described later.
As the touch sensor 12, for example, a sensor such as a capacitance method, a resistance film method, an electromagnetic induction method, a surface acoustic wave method (or an ultrasonic method), an infrared method, and a load detection method is used.

Here, for example, when a protective panel or the like is disposed on the outer surface, the touch sensor 12 includes the protective panel or the like. The touch sensor 12 is arranged so that the user's finger comes into contact when the user designates a predetermined position of the display area 11a on the display unit 11 with the finger.
The touch sensor 12 is configured so that all or part of the display area 11a of the display unit 11 can be specified.
In addition, the touch sensor 12 receives an operation input from the outside. The touch sensor 12 functions as an operation input unit that receives an operation from the user.

The pressing force detection unit 13 detects the pressing force applied to the touch sensor 12. The pressing force detection unit 13 is arranged corresponding to the arrangement area of the touch sensor 12. For example, the pressing force detection unit 13 is disposed between the display unit 11 and the touch sensor 12.
The pressing force detection unit 13 outputs the detected pressing force information to the control unit 200 (processing pattern determination unit 223) described later.

The microphone 14 is used to input a voice uttered by the user of the mobile phone 1 during a call.
The speaker 15 is used to output a voice uttered by the other party of the user of the mobile phone 1.

When the key 16 is pressed, a predetermined signal is output to the control unit 200 (the input receiving unit 220, the mode switching unit 225).
In the present embodiment, the key 16 functions as an operation input unit for causing the control unit 200 to perform mode switching in the control unit 200 (input reception unit 220) and setting and canceling of masking processing described later.
For example, when the key 16 is pressed, the control unit 200 (mode switching unit 225) switches the mode between the normal mode and the masking process mode. In the normal mode, the detection information from the touch sensor 12 described above is used as operation input information. In the masking process mode, the detection information is used as operation information for setting or canceling the masking process.
Further, for example, when the key 16 is pressed for a long time, the control unit 200 changes all or part of the image (screen) displayed in the display area 11a to a masked image, or has been masked. The image is configured to be changed to an image for which the masking process is released.

Next, the functional configuration of the mobile phone 1 will be described with reference to FIG.
First, as shown in FIG. 2, the mobile phone 1 includes a display unit 11, a touch sensor 12, a pressing force detection unit 13, a microphone 14, a speaker 15, and a key 16.
The mobile phone 1 includes a communication unit 100, a timer 17, a control unit 200, a storage unit 300, and an application processing unit 400.

The communication unit 100 includes a main antenna unit 90 that performs wireless communication with an external device using a predetermined use frequency band, and a communication processing unit 101 that performs signal processing such as modulation processing or demodulation processing.
The main antenna unit 90 communicates with a base station (not shown) in a predetermined use frequency band (for example, 800 MHz). The main antenna unit 90 communicates with an external communication device via a base station in a predetermined use frequency band.
The communication processing unit 101 modulates a signal supplied from a predetermined function unit, transmits the signal to the base station via the main antenna unit 90 and the like, and demodulates a signal received by the main antenna unit 90 to perform a predetermined function. Supply to the department.

The timer 17 can measure time.
The timer 17 outputs time information to the control unit 200 (contact time measuring unit).

The control unit 200 controls the entire mobile phone 1.
The control unit 200 includes a position detection unit 210, a pressing force detection unit 213, a key detection unit 215, an input reception unit 220, a processing pattern determination unit 223, a mode switching unit 225, a timing unit 230, and a designated area. A setting unit 235, a masking processing unit 240, a layer control unit 250, an image processing unit 255, and an image information output unit 260 are included. The control unit 200 is configured by, for example, a CPU (Central Processing Unit). The control unit 200 may be configured by a plurality of microprocessors.
Moreover, the control part 200 performs display control with respect to the display part 11 mentioned above. The control unit 200 includes, for example, a GPU (Graphics Processing Unit).

  In this embodiment, the control part 200 changes the color attribute of the area | region designated by the user, and displays it on the display part 11. FIG. More specifically, first, the control unit 200 sets the designated area SA based on designation information from the area designation unit such as the touch sensor 12. Next, the control unit 200 generates a changed image by performing a changing process for changing the color attribute difference on the target area corresponding to the specified area SA among the images displayed on the display unit 11. Next, the control unit 200 causes the display unit 11 to display the generated changed image. These processes are realized by various functions included in the control unit 200.

In addition, the control unit 200 performs a masking process (change process, first change process) on the target area TA corresponding to the designated area SA in the image displayed on the display unit 11. The masking process is an image color changing process that reduces the difference in color attributes in the target area TA. When an area that has not been masked is designated in the display area 11a of the display unit 11, the control unit 200 performs a masking process on the target area TA corresponding to the designated area SA. In other words, when the user designates an area normally displayed on the display unit 11 via an area designating unit such as a predetermined touch sensor 12, the control unit 200 increases the visibility of the target area TA corresponding to the designated area SA. Reduce. For example, the control unit 200 reduces the visibility of a part of the display area 11a of the display unit 11.
Examples of the color attribute here include brightness, saturation, and hue. Also, reducing the color attribute difference means adjusting the color attribute to reduce the color difference. Examples of reducing the color attribute difference include displaying the specified area color close to the specified color, displaying the specified area color lightly, displaying the specified area color darkened, In addition, there is a case where the color of the designated area is displayed close to the near color in the hue circle.

  In addition, when the area included in the masked predetermined area MA is set as the designated area SA, the control unit 200 performs relaxation processing (change process, second change process) on the target area TA corresponding to the designated area SA. ) Is done. The mitigation process is an image color change process in which the difference in color attributes is larger than that in the state where the masking process is performed. In other words, when the masked area of the display area 11a of the display unit 11 is designated, the control unit 200 relaxes the masking process for the target area TA corresponding to the designated area SA. That is, when the user designates an area with reduced visibility on the display unit 11 via an area designating unit such as a predetermined touch sensor 12, the control unit 200 increases the visibility of the target area TA corresponding to the designated area SA. Process to improve. This improvement in visibility is a relative improvement with respect to the masked region. For example, the control part 200 can relieve | decrease the visibility with respect to a part in the display area 11a of the display part 11, and can return to the original state. Further, the control unit 200 can employ a masking process canceling process as a masking process relaxing process. The canceling process of the masking process means returning the color attribute.

The position detection unit 210 detects the contact position of the contact object based on the detection result from the touch sensor 12. Based on the detection result from the touch sensor 12, the position detection unit 210 detects a region where the contact object is in contact. Examples of the contact object to be brought into contact with the touch sensor 12 include a user's finger or a touch pen. This contact object can be appropriately changed according to the detection method of the touch sensor 12.
Further, the position detection unit 210 detects the contact of a plurality of contact objects based on the detection result from the touch sensor 12. Specifically, the position detection unit 210 detects the number of contact points and each contact position (area).
The position detection unit 210 outputs information on the detection result to the input reception unit 220.

The pressing force detection unit 213 detects the pressing force applied to the touch sensor 12 based on the detection result from the pressing force detection unit 13.
The pressing force detection unit 213 outputs detected information to the input reception unit 220.

The key detection unit 215 detects pressing of the key 16. The key detection unit 215 detects that the key 16 has been pressed by the user.
The key detection unit 215 outputs detection result information to the input reception unit 220.

  The input receiving unit 220 can receive the detection result from the touch sensor 12 as information regarding masking processing or operation input information. The input reception unit 220 receives the detection result from the touch sensor 12 via the position detection unit 210. The input reception unit 220 receives position (region) information that is a detection result in the position detection unit 210.

In the present embodiment, the input receiving unit 220 is switched between the normal mode and the masking process mode based on the mode switching from the mode switching unit 225.
The input reception unit 220 receives the detection result from the position detection unit 210 as operation input information in the normal mode, and receives the detection result as information related to the masking process in the masking processing mode.
The input reception unit 220 outputs the received information to the application processing unit 400 or the like in the normal mode, and outputs the received information to the processing pattern determination unit 223 or the layer control unit 250 or the like in the masking processing mode.

Further, in the normal mode, the input receiving unit 220 of the present embodiment does not receive detection information (detection information) in an area corresponding to the masked area as an operation input. On the other hand, the input receiving unit 220 of the present embodiment receives detection information (detection information) in an area not subjected to masking processing or an area corresponding to an area subjected to masking reduction processing as an operation input.
For example, when the contact position detected by the position detection unit 210 is within the area corresponding to the masked area in the image (screen), the input reception unit 220 does not receive the contact position information as operation input information. The operation input to the area corresponding to the masked area is canceled and invalidated.
In addition, the input receiving unit 220 performs operation input of information on the contact position when the detected contact position is in an area not subjected to masking processing in the image (screen) or in an area corresponding to the area subjected to masking relaxation processing. Accept as information.

The input receiving unit 220 receives information on the detection result in the pressing force detection unit 213 and information on the detection result in the key detection unit 215.
The input reception unit 220 outputs the detection result information from the pressing force detection unit 213 and the detection result information from the key detection unit 215 to the processing pattern determination unit 223 or the mode switching unit 225.

When the position detection unit 210 detects a plurality of contact points based on the detection result from the touch sensor 12, the processing pattern determination unit 223 determines a processing pattern based on the detected number of contact points.
The processing pattern determination unit 223 refers to processing pattern information stored in a processing pattern storage unit 320 described later, and determines a processing pattern based on the number of contact points detected by the position detection unit 210.

As an example of the processing pattern, for example, when the number of contact points is one, the designated area setting unit 235 sets an area (including a sliding area described later) where contact is detected as the designated area.
For example, when the number of contact points is 2, the designated area setting unit 235 sets an area between the areas where contact is detected (a sandwiched area) as the designated area.
For example, when the number of contact points is 3, the designated area setting unit 235 sets the entire display area 11a as the designated area, and the masking processing unit 240 is configured to make the designated area a masking process relaxation area. The control unit 250 is instructed.
For example, when the number of contact points is 4, the designated area setting unit 235 sets the entire display area 11a as the designated area, and the masking processing unit 240 sets the layer so that the designated area becomes the masking process setting area. The control unit 250 is instructed.
Further, for example, when the number of contact points is 5, the designated area setting unit 235 sets the masking process setting area as the first designated area, sets the masking process relaxation area as the second designated area, and the masking process unit 240. Instructs the layer control unit 250 to set the first designated area as the masking process relaxation area and the second designated area as the masking process setting area (reverse).

In addition, the processing pattern determination unit 223 uses the timing unit 230 to acquire information on various timing times. The processing pattern determination unit 223 determines a processing pattern based on information such as a contact position and information on various timing times.
As an example of the processing pattern, the layer control unit 250 performs the masking process on the contact area (sliding area) of the contact object and then performs the masking process again after a predetermined time. The time is set based on the (region) information and the contact time information. The contact time is the time from the start to the end of the sliding movement of the contact object. In this case, for example, when the contact time is short, the predetermined time until the restoration is shortened, and when the contact time is long, the predetermined time until the restoration is lengthened.

Further, the processing pattern determination unit 223 receives the detection result information from the pressing force detection unit 213 and the detection result information from the key detection unit 215.
The processing pattern determination unit 223 refers to processing pattern information stored in the processing pattern storage unit 320 described later, and detects the detection result information from the pressing force detection unit 213 and the detection result information from the position detection unit 210. Based on this, the processing pattern is determined.

As an example of the processing pattern, for example, the mode switching unit 225 switches the mode in the control unit 200 (input reception unit 220) between the normal mode and the masking processing mode based on information on the detection result of the pressing force.
When the detected pressing force is less than the predetermined value, the mode switching unit 225 sets the mode in the control unit 200 (input reception unit 220) to the normal mode and uses the detection information from the position detection unit 210 as input operation information. .
When the detected pressing force is equal to or greater than a predetermined value, the mode switching unit 225 sets the mode in the control unit 200 (input reception unit 220) to the masking process mode, and detects the detection information from the position detection unit 210 as input information for the masking process. Use as

  The processing pattern determination unit 223 determines a processing pattern with reference to processing pattern information stored in a processing pattern storage unit 320 described later. The determination of the processing pattern is based on the detection result information from the key detection unit 215 and the time measurement information from the time measurement unit 230.

As an example of the processing pattern, the mode switching unit 225 switches the mode in the control unit 200 (input reception unit 220) based on, for example, time keeping information. Further, based on the information on the time keeping time, the designated area setting unit 235 sets the entire display area 11a in the designated area SA. The layer control unit 250 relaxes the masking process in the target area TA corresponding to the designated area SA.
Specifically, when the timekeeping time is less than the predetermined time, the detection result information from the key detection unit 215 is used as a trigger for mode switching, and the mode switching unit 225 switches the mode of the control unit 200 (input reception unit 220).
In addition, when the measured time is equal to or longer than the predetermined time, the designated area setting unit 235 sets the entire display area 11a as the designated area SA, and the layer control unit 250 performs a masking process in the target area TA corresponding to the designated area SA. ease.

In addition to the above, the processing pattern determination unit 223 determines a processing pattern corresponding to a predetermined operation based on the detection result information from the position detection unit 210.
For example, when a pinch-out operation in which the user moves two fingers placed on the surface of the touch sensor 12 to increase the distance between each other is detected based on the detection result from the position detection unit 210, the layer control unit 250 The target area TA (masking setting area MR, masking mitigation area MK) is enlarged.
For example, when a pinch-in operation in which the user moves two fingers placed on the surface of the touch sensor 12 to narrow each other is detected based on a detection result from the position detection unit 210, the layer control unit 250 The target area TA (masking setting area MR, masking mitigation area MK) is reduced.

Further, for example, when a tap operation is detected by the user tapping the surface of the touch sensor 12 based on a detection result from the position detection unit 210, the layer control unit 250 sets the target area corresponding to the area where the tap operation is detected. TA (masking setting region MR, masking mitigation region MK) is selected.
When the detection result from the position detection unit 210 detects that the user places a finger on the touch sensor 12 in a region corresponding to the selected target region TA and slides the finger, the layer control is performed. The unit 250 moves the target area TA (masking setting area MR, masking mitigation area MK).

For example, the processing pattern determination unit 223 compares the contact position (region) information from the position detection unit 210 with the contact position (region) information (previously and immediately before) stored in the position storage unit 310 described later. As a result of the comparison, if there is a change in the contact state, the determination process is started.
Based on the determined processing pattern information, the processing pattern determination unit 223 outputs the information received from the input reception unit 220 and the predetermined information included in the processing pattern information to the masking processing unit 240, the layer control unit 250, and the like. To do.

The mode switching unit 225 switches the mode in the control unit 200 (input reception unit 220). The mode switching unit 225 switches the mode in the control unit 200 (input reception unit 220) between the normal mode and the masking process mode.
As described above, the normal mode is a mode in which the input reception unit 220 receives the detection result from the position detection unit 210 (detection information from the touch sensor 12) as operation input information.
The masking process mode is a mode in which the input receiving unit 220 receives a detection result (detection information from the touch sensor 12) from the position detection unit 210 as information on the masking setting process or the masking mitigation process.

  When the mode switching unit 225 receives information that has detected that a predetermined icon has been selected based on detection information from the touch sensor 12 or information that has detected that the key 16 has been pressed, the mode switching unit 225 receives the control unit 200 (input reception unit 220). ) Is switched between the normal mode and the masking mode.

For example, when the key detection unit 215 detects that the key 16 is pressed, the mode switching unit 225 switches the mode in the control unit 200 (input reception unit 220).
Here, the mode switching unit 225 may switch the mode triggered by the key detection unit 215 detecting the pressing of the key 16, and while the key detection unit 215 detects the pressing of the key 16. It may be configured to switch to the masking processing mode only (while the user keeps pressing the key 16).

  Further, the mode switching unit 225 is configured such that when the contact area detected by the position detection unit 210 is an area corresponding to a predetermined icon displayed on the display area 11a in the display unit 11 (the user places a finger on the upper surface of the predetermined icon). And the mode in the control unit 200 (input reception unit 220) may be switched.

Further, the mode switching unit 225 switches the mode in the control unit 200 (input reception unit 220), for example, according to the strength of the pressing force detected by the pressing force detection unit 13.
Here, for example, when the pressing force detected by the pressing force detection unit 13 is weak (small), the mode switching unit 225 sets the mode in the control unit 200 (input reception unit 220) to the normal mode, and the pressing force detection unit 13 When the pressing force detected by (1) is strong (large), the mode in the control unit 200 (input reception unit 220) is set as the masking processing mode.
In this case, the user only needs to adjust the pressing force to the display area 11a (touch sensor 12) of the display unit 11, and the normal mode in which an operation input for selecting a mouse or the like can be performed, and the masking process setting / relaxation. It is possible to easily switch the mode to the masking processing mode capable of performing the above operations.

The timekeeping unit 230 is configured to acquire time information from the timer 17 and to measure various timekeeping times.
The timer 230 is configured to be able to measure a contact time, which is a time from the start to the end of the sliding movement of the contact object, for example.
In addition, the time measuring unit 230 is configured to be able to detect the time when the key 16 is pressed based on detection information from the key detection unit 215, for example.
The timer 230 outputs the time information to the processing pattern determination unit 223 and the like.

  The designated area setting unit 235 sets the designated area SA based on the contact position information (designated information) from the touch sensor 12 (area designated section). The designated area setting unit 235 sets the designated area SA based on the detection result from the touch sensor 12. The designated area setting unit 235 sets the designated area SA based on the detection result detected by the position detection unit 210 from the detection result of the touch sensor.

  When the sliding movement of the contact object is detected based on the detection result from the position detection unit 210, the designated area setting unit 235 sets the designated area SA based on the sliding area where the contact object has slid. In this case, the designated area setting unit 235 may set the detected sliding area as the designated area SA, or may set the designated area SA based on the sliding area (for example, a plurality of display areas 11a may be set). In other words, the segmented area including the sliding area may be set as the designated area SA).

  When a plurality of points of contact are detected based on the detection result from the position detection unit 210, the specified region setting unit 235 sets all or part of the display region 11a as the specified region based on the detected number of contact points. Set.

  For example, when two contact points are detected based on the detection result from the position detection unit 210, the designated area setting unit 235 sets the area between the two contact points as the designated area SA as described above. To do. For example, the designated area setting unit 235 sets an area extending so as to connect two contact points as the designated area SA. Here, the width (height) of the designated area SA can be set as appropriate. For example, in the case where the character string is displayed, the width (height) may be set according to the height of the character string.

  For example, when the three contact points are detected from the detection result from the position detection unit 210, the designated area setting unit 235 sets all the areas in the display area 11a as the designated area SA as described above.

  In addition, the designated area setting unit 235 indicates that the key 16 has been pressed (pressed) for a predetermined time based on, for example, detection result information from the key detection unit 215 and information on the time at which the key 16 was pressed from the timing unit 230. Is detected, the entire area in the display area 11a is set as the designated area SA as described above.

Here, the designated area SA is an area where it is desired to reduce the visibility in the display area 11a or to improve the visibility (to reduce the state of reduced visibility).
The target area TA is an area corresponding to the designated area SA in the image (screen), and is an area where masking processing is set or relaxed.

  In addition, the designated area setting unit 235 sets the designated area SA based on information from the processing pattern determination unit 223.

The masking processing unit 240 instructs the layer control unit 250 to perform masking setting processing (masking processing) or relaxation processing on the target area TA. The masking processing unit 240 designates whether to perform masking setting processing or masking mitigation processing for a predetermined target area TA.
The masking processing unit 240 causes the masking setting process, which is a change process to reduce the difference in color attribute, to the target area TA corresponding to the specified area SA in the image (screen) displayed on the display unit 11, or It is designated whether or not to perform masking mitigation processing, which is a change processing for increasing the color attribute difference, for the target area TA corresponding to the designated area SA.

  In the present embodiment, the masking processing unit 240 is an area in which the designated area setting unit 235 is included in the predetermined area MA in a state in which the masking setting process, which is a change process for reducing the difference in color attribute with respect to the predetermined area MA, has been performed. Is designated as the designated area SA, it is designated that the target area TA is subjected to the masking mitigation process, which is a change process that increases the difference in color attributes as compared with the masked setting process.

  Here, when the sliding movement of the contact object in the predetermined area MA on which the masking setting process is performed is detected based on the detection result from the position detection unit 210, the masking processing unit 240 slides the contact object. The masking mitigation process is specified for the target area TA corresponding to the specified area SA set based on the area, and the masking setting process is specified again for the target area TA after a predetermined time.

Further, the masking processing unit 240 sets the designated area SA based on information from the processing pattern determination unit 223.
For example, the masking processing unit 240 outputs information for specifying the designated area SA and information for specifying the masking processing setting / relaxation to the layer control unit 250.

The layer control unit 250 generates a changed image by performing a change process for changing the color attribute difference on the target area TA corresponding to the specified area SA in the image (screen) displayed on the display unit 11. A part of the change processing is performed.
The layer control unit 250 generates a second layer L2 to be superimposed on the first layer L1 including the image.

  The layer control unit 250 generates a second layer L2 having a masking setting region MR formed in the region TA2 corresponding to the target region TA. The layer control unit 250 generates a second layer L2 having a masking setting region MR that reduces the difference in color attribute of the region TA1 corresponding to the target region TA in the first layer L1 (image). The second layer L2 is generated to be translucent, for example.

  The layer control unit 250 generates a second layer L2 having a masking setting region MR formed in the region TA2 corresponding to the target region TA. The layer control unit 250 generates a second layer L2 having a masking alleviation region MK that increases the difference in color attribute of the region TA1 corresponding to the target region TA in the first layer L1 (image).

The layer control unit 250 sets the area TA2 corresponding to the target area TA as the masking setting area MR or the masking mitigation area MK.
In response to an instruction from the masking processing unit 240, the layer control unit 250 sets the region TA2 corresponding to the target region TA as the masking setting region MR or the masking mitigation region MK.

  The layer control unit 250 is, for example, masking that is formed in the area HA2 corresponding to the non-target area HA excluding the target area TA in the predetermined area MA, and reduces the difference in color attribute of the area HA1 corresponding to the non-target area HA in the image. A masking mitigation region MK that is formed in the setting region MR and a region TA2 corresponding to the target region TA, and that makes the difference in color attributes of the region TA1 corresponding to the target region TA in the image larger than the masking setting region MR; A second layer L2 having is generated.

  For example, the layer control unit 250 changes the color attribute difference by changing one or more selected from lightness, saturation, hue, and tone curve. The layer control unit 250 acquires information on the brightness, saturation, hue, and tone curve in the target area TA (for example, from the application processing unit 400), and generates the second layer L2.

The layer control unit 250, for example, based on the acquired brightness information, masking setting region MR that reduces the brightness difference in the target area TA and / or masking mitigation that increases the brightness difference more than the masking setting region MR. A second layer L2 including the use area MK is generated.
For example, based on the acquired saturation information, the layer control unit 250 increases the saturation difference larger than the masking setting region MR and / or the masking setting region MR that reduces the saturation difference in the target region TA. The second layer L2 including the masking relaxation area MK to be generated is generated.
The layer controller 250, for example, based on the acquired hue information, reduces the hue difference in the target area TA and / or masking mitigation that increases the hue difference larger than the masking setting area MR. A second layer L2 including the use area MK is generated.
For example, based on the acquired tone curve information, the layer control unit 250 increases the tone curve difference larger than the masking setting region MR and / or the masking setting region MR that reduces the difference in tone curve in the target region TA. The second layer L2 including the masking relaxation area MK to be generated is generated.
In addition, the layer control unit 250 may combine these changes as well as changes in differences in lightness, saturation, hue, and tone curve.

When a character is included in the target area TA in the image, the layer control unit 250 changes the color attribute difference based on the character color.
The layer control unit 250 acquires character color information in the target area TA (for example, from the application processing unit 400), and generates the second layer L2.
For example, based on the acquired character color information, the layer control unit 250 sets the masking setting region MR having the same color as the character color or a similar color to the masking setting region MR and / or a previous color to the masking setting region MR. A second layer L2 including a masking mitigation region MK having a close color is generated.

The layer control unit 250 changes the color attribute difference based on the background color in the target area TA of the image.
The layer control unit 250 acquires background color information in the target area TA (for example, from the application processing unit 400), and generates the second layer L2.
For example, based on the acquired background color information, the layer control unit 250 sets the masking setting region MR having the same color as the background color or a similar color to the masking setting region MR and / or the masking setting region MR. A second layer L2 including a masking alleviating region MK having a close color is generated.

Here, it can be said that the layer control unit 250 changes the contrast in a partial region of the second layer L2. The layer control unit 250 performs processing including making the masking setting area milky white, darkening, blurring, and the like.
Further, the layer control unit 250 may set the masking setting area to have no transparency (fill). In this case, the layer control unit 250 may make the masking alleviation region translucent.

When the image is enlarged or reduced, the layer control unit 250 enlarges or reduces the target area TA corresponding to the enlargement or reduction of the image.
The layer control unit 250 acquires information on enlargement or reduction in the target area TA (for example, from the application processing unit 400), and generates the second layer L2.
For example, the layer control unit 250 enlarges or reduces the masking setting region MR based on the acquired enlargement / reduction information. Further, the layer control unit 250 enlarges or reduces the masking alleviation region MK based on the acquired enlargement or reduction information, for example.

For example, in the normal mode, the control unit 200 (input reception unit 220) enlarges the display image by performing a pinch-out operation in which the user moves two fingers placed on the surface of the touch sensor 12 to increase the distance between them. If it has been done, the layer control unit 250 enlarges the masking setting region MR and / or the masking mitigation region MK.
In addition, for example, when the control unit 200 (the input reception unit 220) is in the normal mode, the display image is reduced by performing a pinch-in operation in which the user moves the two fingers placed on the surface of the touch sensor 12 so as to narrow the distance between each other. If it has been done, the layer control unit 250 reduces the masking setting region MR and / or the masking mitigation region MK.

The layer control unit 250 moves the masking setting region MR and / or the masking mitigation region MK (for example, the target region TA) by a predetermined operation from the outside.
The layer control unit 250 acquires movement information (position information) from the position detection unit 210 and generates the second layer L2.
For example, the layer control unit 250 generates the second layer L2 in which the masking setting region MR / masking mitigation region MK is moved based on the acquired movement information.
More specifically, the layer control unit 250 continuously forms the second layer L2 in which the masking setting region MR / masking mitigation region MK is formed at the position (including the moving position) designated by the user. Is generated.

  For example, in the masking processing mode, the control unit 200 (input reception unit 220) taps the touch sensor 12 to select a masking setting region MR / masking mitigation region MK by tapping the touch sensor 12, and the selected masking setting is selected. By performing a drag operation (an operation of moving a finger at a corresponding position) on the area MR / masking mitigation area MK, the layer control unit 250 causes the masking setting area MR and / or masking mitigation area The MK is moved to a position designated by the user.

In addition, when the layer control unit 250 relaxes the masking process for the contact area (sliding area) of the contact object and performs the masking process again after a predetermined time, the layer control unit 250 uses the contact position (area) information. And the time determined based on the contact time information, which is the time from the start to the end of the sliding movement of the contact object.
In this case, for example, when the contact time is short, the predetermined time until the restoration is shortened, and when the contact time is long, the predetermined time until the restoration is lengthened.
In addition, when returning the area where the masking process has been relaxed to the original state (the state where the masking process has been performed), the layer control unit 250 may restore the area from the side where the sliding is started, Also good.

Also, the layer control unit 250 generates the second layer L2 based on the designation from the masking processing unit 240. In other words, the layer control unit 250 generates the second layer L2 including the masking setting region MR and / or the masking mitigation region MK based on the designation from the masking processing unit 240.
The layer control unit 250 stores the generated information of the second layer L2 in the layer storage unit 330.

The image processing unit 255 generates a changed image by performing a changing process for changing the difference in color attribute on the target area TA corresponding to the specified area SA in the image (screen) displayed on the display unit 11.
Specifically, the image processing unit 255 generates a change screen by superimposing the first layer L1 including the image and the second layer L2 including the masking setting region MR and / or the masking mitigation region MK. To do. Here, the image processing unit 255 arranges the second layer L2 on the front surface side and performs an overlay process.
Specifically, the image processing unit 255 generates a change screen by superimposing the first layer L1 acquired from the layer storage unit 330 and the second layer L2 acquired from the layer storage unit 330.
More specifically, the image processing unit 255 generates a change screen by superimposing the first layer L1 generated by the application processing unit 400 and the second layer L2 generated by the layer control unit 250.
Here, for example, when the masking process for the entire display area 11a is relaxed, the image processing unit 255 may not overlap the second layer L2. This is preferable because the processing load on the control unit 200 is reduced.
The image processing unit 255 outputs information on the generated change screen to the image information output unit 260.

The image information output unit 260 outputs information on the changed image generated by the image processing unit 255 to the display unit 11.
The image information output unit 260 outputs the information of the changed image output from the image processing unit 255 to the display unit 11 at a predetermined timing.
The image information output unit 260 displays the changed image on the display unit 11.

The storage unit 300 stores a plurality of application programs. The storage unit 300 may also serve as a removable external storage unit.
The storage unit 300 includes a position storage unit 310, a processing pattern storage unit 320, and a layer storage unit 330.

The position storage unit 310 stores the detection result from the position detection unit 210.
The position storage unit 310 stores information on the contact position (region) of the contact object and the number of contact points.
The position storage unit 310 stores information on the contact position (region) of the contact object and the number of contact points at a predetermined time. The information stored in the position storage unit 310 is compared with the detection result newly detected by the position detection unit 210.
For example, information on the contact position and the number of contact points stored in the position storage unit 310 is referred to by the processing pattern determination unit 223. The processing pattern determination unit 223 compares information such as the contact position and the number of contact points stored in the position storage unit 310 with information on a new detection result from the position detection unit 210, and determines whether or not there is a change. Check. When it is confirmed that there is a change, the processing pattern determination unit 223 starts the above determination.

The processing pattern storage unit 320 stores information on various processing patterns referred to by the processing pattern determination unit 223.
The processing pattern storage unit 320 includes, for example, information on detection results in the position detection unit 210, information on detection results in the pressing force detection unit 213, information on detection results in the key detection unit 215, and information on time measurement in the time measurement unit 230. Information of processing patterns set correspondingly is stored. Examples of processing patterns are as described above.

The layer storage unit 330 stores information on the first layer L1 and information on the second layer L2.
The layer storage unit 330 stores information on the image (screen) output from the application processing unit 400 as information on the first layer L1.
Further, the layer storage unit 330 stores the information of the second layer L2 output from the layer control unit 250.
The layer storage unit 330 is referred to by the image processing unit 255. The layer storage unit 330 outputs information on the first layer L1 and information on the second layer L2 to the image processing unit 255.

The application processing unit 400 executes a predetermined application.
The application processing unit 400 generates an image to be displayed on the display area 11a of the display unit 11 according to the application being executed. The application processing unit 400 generates a first layer L1 that includes an image.
Then, the application processing unit 400 outputs the generated image information (information of the first layer L1) to the layer storage unit 330.

The operation of the mobile phone 1 in the first embodiment will be described with reference to FIGS.
First, a basic operation in the mobile phone 1 will be described with reference to FIG.
As shown in FIG. 8, first, in step ST101, the user presses the key 16 to set the mode in the mobile phone 1 (control unit 200) to the masking process mode.
The control unit 200 (key detection unit 215) detects pressing of the key 16. And the control part 200 (mode switching part 225) switches the mode in this control part 200 (input reception part 220) to masking process mode by detecting pressing of the key 16. FIG.

Next, in step ST102, when the control unit 200 (position detection unit 210) detects the contact of the user's finger (contact object) (ST102, YES), the process proceeds to step ST103.
Moreover, the control part 200 (position detection part 210) complete | finishes a process, when the contact of a user's finger | toe (contact thing) is not detected (ST103, YES).

Subsequently, in step ST103, the control unit 200 (processing pattern determination unit 223) determines whether the detected contact position is within the predetermined area MA subjected to the masking process.
When determining that the detected contact position is within the predetermined area MA, the control unit 200 advances the process to step ST105 (masking mitigation process). Here, a specific example of the masking relaxation process will be described later.
If controller 200 determines that the detected contact position is outside predetermined area MA, the process proceeds to step ST104.

Subsequently, in step ST104, the control unit 200 (processing pattern determination unit 223) determines whether or not the user has performed a predetermined operation (for example, a tap operation) based on the information on the contact position.
When it is determined that the user has not performed the predetermined operation (ST104, NO), control unit 200 advances the process to step ST106 (masking setting process). Here, a specific example of the masking setting process will be described later.
In addition, when it is determined that the user has performed a predetermined operation (for example, a tap operation) (ST104, YES), control unit 200 advances the process to step ST107 (region movement process). Here, a specific example of the area movement process will be described later.

Next, the operation of the mobile phone 1 in the masking mitigation process will be described with reference to FIG. 3 to FIG. 5 as appropriate.
As shown in FIG. 9, first, in step ST201, the control unit 200 (position detection unit 210) acquires contact position information. The control unit 200 (position detection unit 210) acquires information such as the position, area, and number of contact points of the user's finger (contact object).

Next, in step ST202, the control unit 200 (processing pattern determination unit 223) compares the information on the previous contact position stored in the position storage unit 310 with the acquired position information on the contact position, It is determined whether or not there is a change in the contact state.
If control unit 200 (processing pattern determination unit 223) determines that there is a change in the contact state of the contact object (YES in ST202), the process proceeds to step ST203.
And control part 200 (processing pattern judgment part 223) ends processing, when it judges with there being no change in the contact state of a contact thing (ST202, NO).

  Subsequently, in step ST203, the control unit 200 (processing pattern determination unit 223) confirms the number of contact points based on the newly detected contact position information. The control unit 200 (processing pattern determination unit 223) acquires information on processing patterns corresponding to the number of contact points from the various processing patterns stored in the processing pattern storage unit 320.

And when it is confirmed that the number of contact points is 1 (ST203, A), the control part 200 advances a process to step ST204.
With reference to FIG. 3, the operation example in the mobile phone 1 when the number of contact points is one will be described.

If controller 200 confirms that the number of contact points is two (ST203, B), the process proceeds to step ST206.
With reference to FIG. 4, the operation example in the mobile phone 1 when the number of contact points is two will be described.

In addition, when it is confirmed that the number of contact points is three (ST203, C), control unit 200 advances the process to step ST208.
With reference to FIG. 5, the operation example in the mobile phone 1 when the number of contact points is three will be described.

Subsequently, in step ST204, the control unit 200 (designated region setting unit 235) acquires information on the contact region (sliding region).
As shown in the diagram on the left side in FIG. 3, in a state where the entire display area 11a is masked, the user traces (slids) the masked predetermined area MA (touch sensor 12) with a finger. The control unit 200 (designated area setting unit 235) detects an area traced by the user as a contact area (sliding area).

Subsequently, in step ST205, the control unit 200 (designated area setting unit 235) sets the detected contact area (sliding area) as the designated area SA.
The control unit 200 sets the contact area (sliding area) surrounded by the dotted line in the left diagram in FIG. 3 as the designated area SA.
Here, the control unit 200 (masking processing unit 240) designates that the masking process is relaxed for the target area TA corresponding to the designated area SA in the image (screen).

Subsequently, in step ST209, the control unit 200 (layer control unit 250) generates a second layer L2 in which the area TA2 corresponding to the target area TA is set as the masking alleviation area MK.
As shown in the center diagram in FIG. 3, the control unit 200 includes a second masking alleviation region MK (for example, a region with high transparency) formed in a region corresponding to a region where the user's finger is slid. A layer L2 is generated.
The control unit 200 stores the generated information of the second layer L2 in the layer storage unit 330.

Subsequently, in step ST210, the control unit 200 (image processing unit 255) performs a superimposition process on the first layer L1 and the second layer L2 to generate a deformed image.
The control unit 200 forms a changed image by superimposing the first layer L1 stored in the layer storage unit 330 and the second layer L2 stored in the layer storage unit 330.
As shown in the central part of FIG. 3, the control unit 200 superimposes a second layer L2 having a masking setting region MR and a masking relaxation region MK on the first layer L1 including the screen (characters). As a result, as shown in the diagram on the right side in FIG. 3, a modified image having a region in which the masking process is relaxed is generated.

Subsequently, in step ST213, the control unit 200 (image information output unit 260) outputs information about the generated changed image to the display unit 11.
As a result, an image (screen) having an area in which a part of the display area 11a is subjected to masking relaxation processing is displayed on the display unit 11.
As shown in the diagram on the right side in FIG. 3, the display unit 11 displays an image (screen) in which the masking process has been relaxed so that the portion of “A company's case,... To do.

In step ST206, the control unit 200 (designated region setting unit 235) acquires information on the contact region (sliding region) of the contact point (two points). The control unit 200 acquires contact position information on each of the two contact points.
As shown in the diagram on the left side in FIG. 4, in a state where the entire display area 11 a has been subjected to masking processing, the user places (contacts) two fingers on the masked predetermined area MA (touch sensor 12). ).

Subsequently, in step ST207, the control unit 200 (designated area setting unit 235) sets the detected area between the two contact points as the designated area SA.
The control unit 200 sets the contact area (sliding area) surrounded by the dotted line in the left diagram in FIG. 4 as the designated area SA.
Here, the control unit 200 (masking processing unit 240) designates that the masking process is relaxed for the target area TA corresponding to the designated area SA in the image (screen).

Subsequently, in step ST209, as described above, the control unit 200 (layer control unit 250) generates the second layer L2 having the area TA2 corresponding to the target area TA as the masking mitigation area MK.
As shown in the center diagram in FIG. 4, the control unit 200 includes a second masking mitigation region MK (for example, a region with high transparency) formed in a region corresponding to a region where the user's finger is slid. A layer L2 is generated.
The control unit 200 causes the layer storage unit 330 to store the generated information on the second layer L.

Subsequently, in step ST210, as described above, the control unit 200 (image processing unit 255) performs a superimposition process on the first layer L1 and the second layer L2 to generate a deformed image.
The control unit 200 forms a changed image by superimposing the first layer L1 stored in the layer storage unit 330 and the second layer L2 stored in the layer storage unit 330.
As shown in the central part of FIG. 4, the control unit 200 superimposes a second layer L2 having a masking setting region MR and a masking relaxation region MK on the first layer L1 including the screen (characters). Thus, as shown in the diagram on the right side in FIG. 4, a modified image having a region in which the masking process is relaxed is generated.

Subsequently, in step ST213, the control unit 200 (image information output unit 260) outputs information about the generated changed image to the display unit 11.
As a result, an image (screen) having a part of the display area 11a in which the masking process is alleviated is displayed on the display unit 11.
As shown in the diagram on the right side in FIG. 4, the display unit 11 displays an image (screen) in which the masking process has been relaxed so that the portion of “A company's case,... To do.

Subsequently, in step ST208, the control unit 200 (designated area setting unit 235) sets the entire display area 11a (entire image) as the designated area SA.
Here, the control unit 200 (masking processing unit 240) designates that the masking process is relaxed for the target area TA corresponding to the designated area SA in the image (screen).

  Subsequently, in step ST211, the control unit 200 (layer control unit 250) does not generate the second layer L2.

  Subsequently, in step ST212, the control unit 200 (image processing unit 255) generates a deformed image of only the first layer L1. The control unit 200 forms a changed image of only the first layer L1 stored in the layer storage unit 330.

Subsequently, in step ST213, the control unit 200 (image information output unit 260) outputs information about the generated changed image to the display unit 11.
As a result, an image (screen) in which the masking process in the display region 11a is alleviated is displayed on the display unit 11.
As shown in the diagram on the right side in FIG. 5, the display unit 11 displays an image (screen) in which masking processing is alleviated so that all images can be visually recognized from the outside.

Subsequently, the operation of the mobile phone 1 in the masking setting process will be described with reference to FIG.
As shown in FIG. 10, first, in step ST301, the control unit 200 (position detection unit 210) acquires information on the contact position. The control unit 200 (position detection unit 210) acquires information such as a contact position and a region of the user's finger (contact object).

Subsequently, in step ST302, the control unit 200 (processing pattern determination unit 223) compares the information on the previous contact position stored in the position storage unit 310 with the acquired position information on the contact position, It is determined whether or not there is a change in the contact state.
If control unit 200 (processing pattern determination unit 223) determines that there is a change in the contact state of the contact object (YES in ST302), the process proceeds to step ST303.
And control part 200 (processing pattern judgment part 223) ends processing, when it judges with there being no change in the contact state of a contact thing (ST302, NO).

Subsequently, in step ST303, the control unit 200 (designated region setting unit 235) acquires information on the contact region (sliding region).
As shown in the diagram on the left side in FIG. 6, in a state where the entire display area 11a is not masked, the user traces (slides) the area (touch sensor 12) not masked with a finger. The control unit 200 (designated area setting unit 235) detects an area traced by the user as a contact area (sliding area).

Subsequently, in step ST304, the control unit 200 (designated area setting unit 235) sets the detected contact area (sliding area) as the designated area SA.
The control unit 200 sets the contact area (sliding area) surrounded by the dotted line in the left diagram in FIG. 6 as the designated area SA.
Here, the control unit 200 (masking processing unit 240) designates that masking processing is set for the target area TA corresponding to the designated area SA in the image (screen).

Subsequently, in step ST305, the control unit 200 (layer control unit 250) generates a second layer L2 in which the area TA2 corresponding to the target area TA is set as the masking setting area MR.
As shown in the center diagram in FIG. 6, the control unit 200 includes a second masking setting region MR (for example, a region with low transparency) formed in a region corresponding to a region where the user's finger is slid. A layer L2 is generated.
The control unit 200 causes the layer storage unit 330 to store the generated information on the second layer L.

Subsequently, in step ST306, the control unit 200 (image processing unit 255) performs a superimposition process on the first layer L1 and the second layer L2 to generate a deformed image.
The control unit 200 forms a changed image by superimposing the first layer L1 stored in the layer storage unit 330 and the second layer L2 stored in the layer storage unit 330.
As shown in the central part of FIG. 6, the control unit 200 superimposes a second layer L2 having a masking setting region MR and a masking relaxation region MK on the first layer L1 including the screen (characters). Thus, as shown in the diagram on the right side in FIG. 6, a modified image having an area in which the masking process is set is generated.

Subsequently, in step ST307, the control unit 200 (image information output unit 260) outputs information about the generated changed image to the display unit 11.
As a result, an image (screen) having an area where a part of the display area 11a is subjected to the masking setting process is displayed on the display unit 11.
As shown in the diagram on the right side of FIG. 6, the display unit 11 is an image (screen) on which a masking process is set so that the portion of “A company's case,... Is displayed.

Next, the operation of the mobile phone 1 in the area movement process will be described with reference to FIG.
As shown in FIG. 11, first, in step ST401, the control unit 200 (layer control unit 250) sets a movement area (designated area). The control unit 200 sets a masking alleviation region MK including a region corresponding to a region where a predetermined operation (for example, a tap operation) is performed as a movement region (designated region).

  Next, in step ST402, the control unit 200 (position detection unit 210) acquires contact position information. The control unit 200 (position detection unit 210) acquires information such as the position and area of the user's finger (contact object).

Subsequently, in step ST403, the control unit 200 (layer control unit 250) confirms whether or not the contact position information can be acquired within a predetermined time from the tap operation and contact of the contact object is detected.
Control part 200 advances processing to Step ST404, when it is confirmed that contact of a contact thing was detected (ST403, YES).
Moreover, the control part 200 complete | finishes a process, when the contact of a contact thing is not detected (ST403, NO).

Subsequently, in step ST404, the control unit 200 (layer control unit 250) compares the information on the previous contact position stored in the position storage unit 310 with the acquired information on the contact position, and the touched object touches. It is determined whether the sensor 12 is moving in contact with the sensor 12.
When it is determined that the contact object is moving (ST404, YES), control unit 200 advances the process to step ST405.
Moreover, when it determines with the contact thing not moving (ST404, NO), the control part 200 returns a process to step ST402.

Subsequently, in step ST405, the control unit 200 (layer control unit 250) generates a second layer L2 in which the position of the moving region (masking mitigation region MK) is moved based on the detected position information.
The control unit 200 causes the layer storage unit 330 to store the generated information on the second layer L.

Subsequently, in step ST406, the control unit 200 (image processing unit 255) performs a superimposition process on the first layer L1 and the second layer L2 to generate a deformed image.
The control unit 200 forms a changed image by superimposing the first layer L1 stored in the layer storage unit 330 and the second layer L2 stored in the layer storage unit 330.

Subsequently, in step ST407, the control unit 200 (image information output unit 260) outputs information on the generated changed image to the display unit 11.
Thereby, an image (screen) in which the masking alleviation region MK is moved is displayed on the display unit 11.
Subsequently, control unit 200 returns the process to step ST402 and repeats the process from step ST402 to step ST407.
The control unit 200 performs the above repetitive processing and ends the processing when the contact of the contact object is not detected in step ST403 (when the user finishes the operation by releasing the finger).

As a result, the control unit 200 generates the second layer L2 in which the masking alleviation region MK is moved, as shown in the center diagram in FIG.
Then, the control unit 200 overlays the first layer L1 including the screen (characters) on the second layer L2 in which the masking mitigation region MK is moved, as shown in the right diagram in FIG. A modified image in which the processed area is moved is generated.
As shown in the diagram on the right side of FIG. 6, the display unit 11 can visually recognize “the case of Y company,... The image (screen) with the masking process relaxed is displayed.

  According to the present embodiment, the mobile phone 1 (display that can achieve both the confidentiality of displayed information and the user's workability by changing the color attribute difference in the area specified by the user. Device).

  Further, according to the present embodiment, the mobile phone 1 can partially set or relax the masking process, so that the user can clearly see the area that the user wants to confirm, Further, the touch input operation can be performed smoothly, and the visibility in the area to be concealed can be lowered for the third party, and the peeping prevention function can be maintained.

  Further, according to the present embodiment, the mobile phone 1 can easily allow the user to specify an area for setting or relaxing the masking process using a touch sensor or the like. Thereby, the user can select the area | region which sets or eases a masking process only by tracing a display surface (touch sensor), for example.

  In addition, according to the present embodiment, the mobile phone 1 can set an area for setting or mitigating the masking process and a setting or mitigation pattern depending on the touch mode (number of touch points, sliding movement, predetermined input operation) on the touch screen. Configured to be automatically enforceable. As a result, the user can select and operate a region for setting or mitigating the masking process or a pattern for setting or mitigation by changing the manner of contact with the touch sensor.

Further, according to the present embodiment, the mobile phone 1 can move an area where the masking process is set or relaxed by a touch mode (predetermined operation) on the touch screen.
Thereby, the user can move easily the area | region where the masking process was set or eased by the contact mode (predetermined operation) to a touch sensor.

  In addition, according to the present embodiment, the cellular phone 1 can make the area where the masking process is relaxed less transparent than the area where the masking process is set, without making the area completely transparent or the like. Thereby, even in the area where the masking process is relaxed, the mobile phone 1 is sufficiently visible to the user, and can be displayed with difficulty or difficult for the third party.

  In addition, according to the present embodiment, the mobile phone 1 can overlap the first layer including the image and the second layer having the masking process setting or relaxation area in all or part of the display area. The masking process is set or relaxed. Thereby, the mobile phone 1 can achieve both confidentiality of displayed information and user workability without requiring a new device.

  Further, according to the present embodiment, since the mobile phone 1 generates the changed image by superimposing the second layer on the first layer including the image, it does not process the information of the original image (screen). The above-mentioned effects are exhibited. Accordingly, the mobile phone 1 can achieve both confidentiality of displayed information and user workability without adversely affecting an image output from the application processing unit.

Subsequently, the second embodiment will be described with reference to FIGS. 12 and 13.
FIG. 12 is a diagram illustrating a first example of the display area 11a in the second embodiment. FIG. 13 is a diagram illustrating a second example of the display area 11a in the second embodiment.

A first example of the display area 11a in the second embodiment will be described with reference to FIG.
First, the user performs an operation input using an input operation unit (not shown) having a plurality of keys. In this example, the user is creating a sentence. In a state where the masking process is performed on the entire display area 11a in the display unit 11, the user performs an operation input using the input operation unit.
In this case, the cursor 501 and the prediction conversion candidate column 510 (operation guide information) are displayed in the masked area (predetermined area MA).
Here, in this example, when the cursor is displayed in the area included in the predetermined area subjected to the masking process, the control unit 200 specifies all or part of the area where the cursor is displayed or the area where the cursor can move. The area is set as an area, and masking relaxation processing is performed on the target area corresponding to the designated area.
That is, the control unit 200 relaxes the masking process in a predetermined range before and after the cursor 501.

Further, in this example, when the prediction conversion candidate field 510 (operation guide information) is displayed in the area included in the predetermined area subjected to the masking process, the control unit 200 displays the area in which the prediction conversion candidate field 510 is displayed. The designated area is set, and masking mitigation processing is performed on the target area corresponding to the designated area.
That is, the control unit 200 relaxes the masking process in the display area of the prediction conversion candidate field 510.

Here, the control unit 200 can set an area excluding the display area of the prediction conversion candidate column 510 as a designated area, and can perform masking mitigation processing on the target area corresponding to the designated area.
That is, the control unit 200 can relax the masking process of the area excluding the display area of the predictive conversion candidate field 510 and maintain the masking process in the display area of the predictive conversion candidate field 510.

  Further, the control unit 200 may reduce masking only for the moving area of the cursor 501 and the like, and the prediction conversion candidate column 510 may not reduce masking.

A second example of the display area 11a in the second embodiment will be described with reference to FIG.
First, the user performs an operation input using the input operation unit 520 including a plurality of soft keys displayed in the display area 11 a of the display unit 11. In this example, the user is creating a sentence. In a state where the masking setting process is performed on the entire display area 11a in the display unit 11, the user performs an operation input using the input operation unit 520 displayed in the display area 11a.
In this case, the cursor 501 and the input operation unit 520 (operation guide information) are displayed in the masked area (predetermined area MA).
Here, in this example, as in the first example, when the cursor is displayed in the area included in the predetermined area subjected to the masking process, the control unit 200 displays the area where the cursor is displayed or the area where the cursor can move. Are all set as a designated area, and masking mitigation processing is performed on the target area corresponding to the designated area.
That is, the control unit 200 relaxes the masking process in a predetermined range before and after the cursor 501.

Further, in this example, when the input operation unit 520 (operation guide information) is displayed in the area included in the predetermined area subjected to the masking process, the control unit 200 determines the area where the input operation unit 520 is displayed as the designated area. And masking mitigation processing is performed on the target area corresponding to the designated area.
That is, the control unit 200 relaxes the masking process in the display area of the input operation unit 520.

Here, the control unit 200 can set an area excluding the display area of the input operation unit 520 as a designated area, and can perform masking mitigation processing on a target area corresponding to the designated area.
That is, the control unit 200 relaxes the masking process of the area excluding the display area of the input operation unit 520 and maintains the masking process in the display area of the input operation unit 520.

  Here, in addition to the input operation unit 520, the control unit 200 may be configured to perform masking mitigation processing or the like on, for example, a pictogram selection area or a keypad area.

  According to the present embodiment, the mobile phone 1 relaxes the masking process on all or part of the area where the cursor is displayed or the area where the cursor can move. Thereby, the mobile phone 1 can make a user visually recognize information necessary for document creation and the like, and can smoothly create a sentence and the like. The visibility in the area to be concealed is lowered, and the peep prevention function can be maintained.

  In addition, according to the present embodiment, the mobile phone 1 relaxes the masking process on the region where the operation guide information such as the input operation unit configured by the prediction conversion candidate field and the soft key is displayed. Thereby, the mobile phone 1 can make a user visually recognize information necessary for document creation and the like, and can smoothly create a sentence and the like. Since the visibility in the area to be concealed is lowered, the peep prevention function can be maintained.

  Moreover, according to this embodiment, there exists an effect similar to the effect in 1st Embodiment.

Next, the third embodiment will be described with reference to FIGS. 14A and 14B.
FIG. 14A is a diagram illustrating a first aspect of the display area 11a in the third embodiment. FIG. 14B is a diagram illustrating a second mode of the display area 11a in the third embodiment.

As shown in FIG. 14A, the first mode of the display area 11a in the present embodiment is a mode in which the entire display area 11a in the display unit 11 is masked.
In this state, when the user presses the camera key 16a that activates the camera application, the application processing unit 400 activates the camera application.
When the camera application is activated, the aspect of the display area 11a is changed to the second aspect.
Specifically, as shown in FIG. 14B, when the camera application is activated, masking processing in the display area 11a is relaxed, and an image in the application is displayed in a visible state.

More specifically, the control unit 200 acquires identification information that identifies an application being executed, which is an application being executed, from the application processing unit 400 (application execution unit).
Next, the control unit 200 determines whether the running application specified by the acquired identification information is a predetermined application.
Subsequently, when the control unit 200 determines that the application being executed is a predetermined application, the control unit 200 sets the entire masked area (predetermined area MA) as a specified area.
Then, the control unit 200 performs masking mitigation processing on the target area corresponding to the designated area.

  That is, in view of the usage mode of the mobile phone 1 in each application, the control unit 200 includes an application that needs to improve the visibility of the display area 11a and an application that does not need to reduce the visibility of the display area 11a. When executed, the masking process in the display area 11a is relaxed.

  Here, examples of the predetermined application include a call application in addition to the camera application.

According to the present embodiment, the mobile phone 1 can relax the masking process when a predetermined application such as a camera application or a call application is executed in a state where the masking process is set in the display area.
Thereby, the mobile phone 1 can automatically relieve the masking process when the masking process is unnecessary according to the usage mode for each application.
As a result, the mobile phone 1 avoids unnecessary masking processing and reduces visibility in an area to be concealed, so that it can maintain a peep prevention function.
Moreover, according to this embodiment, there exists an effect similar to the effect in 1st Embodiment.

  As mentioned above, although preferred embodiment was described, this invention can be implemented with a various form, without being limited to embodiment mentioned above. For example, in the above-described embodiment, the mobile phone 1 has been described as a display device. However, the display device is not limited to this, and the display device may be a PHS (registered trademark), a personal digital assistant (PDA), a portable digital assistant. It may be a navigation device, a notebook computer, or the like.

  Further, in the above-described embodiment, the description has been made centering on the touch sensor as the area specifying unit, but the present invention is not limited to this, and the area specifying unit can utilize, for example, a numeric keypad. The area designating unit can use a pointing device such as a pointing stick, a touch pad, or a mouse.

  A pointing stick, a touch pad, a mouse, and the like can be applied to the mobile phone (display device) in the above embodiment by replacing the touch sensor in the above embodiment as it is.

  For example, if the numeric keypad is set to divide the display area into a plurality of areas, the designated area can be selected by selecting the start area and the end area in the area selection mode. The present invention can be applied to the mobile phone in the above embodiment.

  Further, according to the present invention, a display device having a display area capable of displaying an image and an area designating part for designating all or part of the display area of the display section displays the changed image. A display method, wherein the display device sets a designated region based on designation information from the region designating unit, and the display device includes the designated region out of the images displayed on the display unit. A change process for changing a difference in color attribute for a target area corresponding to the display area and generating a changed image; and a step of causing the display device to display the changed image on the display unit. Is included.

  Further, the present invention provides a display for displaying a changed image on a display device having a display section having a display area capable of displaying an image and an area designating section for designating all or part of the display area of the display section. A program for executing a method, wherein the display device sets a designated area based on designation information from the area designation unit, and the display device includes the image displayed on the display unit, A step of generating a changed image by changing a color attribute difference with respect to a target region corresponding to the designated region; and a step of causing the display device to display the changed image on the display unit. Contains the program to be executed.

1 Mobile phone (display device)
DESCRIPTION OF SYMBOLS 11 Display part 11a Display area 12 Touch sensor 13 Pressing force detection part 14 Microphone 15 Speaker 16 Key 16a Camera key 17 Timer 20 Case member 90 Main antenna part 100 Communication part 101 Communication processing part 200 Control part 210 Position detection part 213 Pressing force Detection unit 215 Key detection unit 220 Input reception unit 223 Processing pattern determination unit 225 Mode switching unit 230 Time measuring unit 235 Designated area setting unit 240 Masking processing unit 250 Layer control unit 255 Image processing unit 260 Image information output unit 300 Storage unit 310 Touch Position storage unit 320 Processing pattern storage unit 330 Layer storage unit 400 Application processing unit 501 Cursor 510 Preliminary conversion candidate field 520 Input operation unit

Claims (19)

A display unit having a display area capable of displaying an image;
An area designating part capable of designating all or part of the display area of the display part;
Change processing for setting a designated area based on designation information from the area designating unit and changing a color attribute difference with respect to a target area corresponding to the designated area among the images displayed on the display unit And a control unit that displays on the display unit. The controller is
The display device according to claim 1, wherein, as the change process, a first change process for reducing a difference in color attribute with respect to the target area corresponding to the designated area in the image displayed on the display unit. . The controller is
The image;
The display device according to claim 2, wherein the first change process is performed by superimposing a second image formed in an area corresponding to the target area. The controller is
In a state in which the first change process for reducing the difference in color attribute with respect to the predetermined area is performed,
When an area included in the predetermined area is set as the designated area, a second color attribute difference is set larger than that in the state where the first change process is performed on the target area corresponding to the designated area. The display device according to claim 2 or 3, which performs a change process. The controller is
The image;
A second image formed in a region corresponding to a non-target region excluding the target region in the predetermined region;
And a third image formed in an area corresponding to the target area,
A first change process for reducing a color attribute difference with respect to the predetermined area, and a second change for increasing the color attribute difference as compared with a state in which the first change process is performed on the target area. The display device according to claim 4, which performs processing. The region designating unit is disposed corresponding to the display region in the display unit, and includes a contact detection unit that detects contact and a contact position of a contact object,
The control unit can accept the detection result from the contact detection unit as operation input information,
Detection information in an area corresponding to the first changed area is not accepted as an operation input,
The display device according to claim 4, wherein detection information in an area not subjected to the first change process or an area corresponding to the area subjected to the second change process is received as an operation input. The controller is
The display device according to claim 4, wherein the first change process is performed again after a predetermined time with respect to the designated area subjected to the second change process. The controller is
When a cursor is displayed in the area where the first change process has been performed,
The whole or a part of the area where the cursor is displayed or the area where the cursor can move is set as the designated area, and the second change process is performed on the target area corresponding to the designated area. The display device according to any one of 7 to 7. The controller is
When displaying the operation guide information not subjected to the first change process,
When there is an input to set the area where the operation guide information is displayed as the designated area,
Process not accepting the input, or
The display device according to any one of claims 2 to 8, wherein a second change process is performed to increase a difference in color attributes as compared with a state in which the change process is performed on a target area corresponding to the designated area. The region designating unit is disposed corresponding to the display region in the display unit, and includes a contact detection unit that detects contact and a contact position of a contact object,
The display device according to claim 1, wherein the control unit sets the designated area based on a detection result from the contact detection unit. The controller is
The display device according to claim 10, wherein when the sliding movement of the contact object is detected based on a detection result from the contact detection unit, the designated area is set based on a sliding area where the contact object slides. The display device according to claim 10, wherein the control unit sets a region between two contact points as the designated region when two contact points are detected based on a detection result from the contact detection unit. One or more key parts;
A time measuring unit capable of measuring time,
The control unit detects that a predetermined key is pressed among the one or more keys, and detects that the predetermined key is pressed for a predetermined time or more based on timing information from the timing unit. if you did this,
The display device according to claim 4, wherein all of the predetermined area is set as the designated area, and the first change process is canceled for a target area corresponding to the designated area. The controller is
The display device according to claim 1, wherein the color attribute difference is changed by changing one or more selected from lightness, saturation, hue, and tone curve. The controller is
The display device according to claim 1, wherein when a character is included in the target area in the image, a color attribute difference is changed based on a color of the character. The controller is
The display device according to claim 1, wherein a difference in color attribute is changed based on a background color in the target region of the image. The controller is
The display device according to claim 1, wherein when the image is enlarged or reduced, the target region is enlarged or reduced corresponding to the enlargement or reduction of the image. A display device having a display area capable of displaying an image and an area designating part for designating all or part of the display area of the display unit is a display method for displaying an image,
The display device sets a designated area based on designation information from the area designation unit;
The display device performing a change process of changing a color attribute difference with respect to a target area corresponding to the designated area of the image displayed on the display unit;
And a step of causing the display device to display an image on which the change process has been performed on the display unit. A program for executing a display method for displaying an image on a display device having a display section having a display area capable of displaying an image and an area designating section for designating all or part of the display area of the display section. ,
The display device sets a designated area based on designation information from the area designation unit;
The display device performing a change process of changing a color attribute difference with respect to a target area corresponding to the designated area of the image displayed on the display unit;
A program for causing the display device to display on the display unit an image that has undergone a change process.

Images