JP2001022319A - Device and method for adjusting display range in portable terminal - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an adjusting device capable of adjusting a display surface to a proper display range by arranging a sensor for calculating not only a distance data but also a direction of an angle in the positional relation between a user and the display surface. SOLUTION: A portable terminal provided with a display part having a view angle characteristic comprises; a means 31 for detecting use environments and conditions of the portable terminal, a means 32 for judging the use conditions of the portable terminal based on the detection result from the detecting means, and a control means 33 for moving the display range of the display part to an arbitrary area by the judgment result, and thus, the display range is automatically adjusted so as to be easy to see according to the changes in the use condition of the portable terminal.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display device of a portable terminal, and more particularly to an adjustment device and an adjustment method capable of adjusting a display range of a display surface of a liquid crystal panel.

[0002]

2. Description of the Related Art Conventionally, as a display device for adjusting the display direction of a display surface of a liquid crystal panel of this type, for example, Japanese Patent Laid-Open No.
A liquid crystal display panel such as that shown in US Pat. No. 2,948,872 is known. In this device, a distance between a user and a liquid crystal panel is measured by providing a sensor, and a driving voltage level for a pixel on a display panel can be changed according to the distance. Ultrasonic or thermal image detecting means is used as a distance detecting means for measuring the distance between the user and the liquid crystal panel.

[0003]

However, in the above-described prior art, a means calculated based on distance data is used as a means for detecting the direction of the user's line of sight to the display panel. There is a problem that the detection accuracy is extremely low due to insufficient parameters in the angle direction. Further, in order to improve the detection accuracy by using the thermal image detecting means, there is a problem that a complicated and large-scale configuration is required as the detecting means.

Further, there is a problem that the influence of external light reflection on the display panel is not taken into consideration, and that the increase in current consumption by varying the drive voltage level for the pixels has not been solved at all.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems.
An object of the present invention is to provide an adjustment device and a method capable of adjusting a display surface to an appropriate display range by providing a sensor for calculating not only distance data but also an angle direction.

Further, according to the present invention, a conversion formula and a conversion method for converting detection data into control data for controlling a display range are changed according to a user or each use parameter, thereby improving control in the control. An object of the present invention is to provide an adjusting device and an adjusting method capable of flexibly reducing a processing load and a current consumption.

Further, according to the present invention, by making the contrast of the display surface changeable, the visual field range can be relatively controlled, and the contrast is appropriately changed depending on the parameters in use. By doing
It is an object of the present invention to provide an adjusting device and an adjusting method capable of reducing current consumption.

Further, the present invention reduces the visibility of the display due to the reflection of external light on the display surface by changing the light emission direction and the light emission amount of the front light or the backlight according to the parameters used. It is an object of the present invention to provide an adjustment device and an adjustment method that can perform the adjustment.

Further, the present invention provides a method for displaying contents (characters, images,
It is an object of the present invention to provide an adjustment device and an adjustment method that can increase the recognition rate of display contents by changing (deforming) characters (including characters, lines, and the like) according to each usage parameter.

[0010]

According to a first aspect of the present invention, there is provided an apparatus for adjusting a display range, comprising: a portable terminal having a display section having a viewing angle characteristic; Means for detecting, means for determining the use state of the portable terminal based on the result of detection from the detecting means, and control means for changing the display color, gradation level or both from the result of the determination by the determining means. This has the effect that the display range can be automatically adjusted by changing the display contents such as characters and images so as to be easy to see in accordance with the change in the usage state of the portable terminal.

According to a second aspect of the present invention, there is provided a display range adjusting device, comprising: a portable terminal provided with a display unit having a viewing angle characteristic; a means for detecting a use state of the portable terminal; Means for judging the use state of the portable terminal based on the detection result from the apparatus; means for storing corresponding data for judging the use state of the portable terminal corresponding to the judgment result of the judgment means; Means for arbitrarily changing the corresponding data, and a means for changing the judgment result according to the user's arbitrary setting, statistically processing the past history of the corresponding data, and updating the judgment result based on the statistically processed result Means, and control means for changing a display color, a gradation level or both based on the determination result. In accordance with the difference in the preferences of each finisher, by changing to easily view the display contents such as characters and images, such an action can be adjusted automatically display range.

According to a third aspect of the present invention, there is provided a method for adjusting a display range, comprising the steps of using a portable terminal provided with a display unit having a viewing angle characteristic by using at least one or more types of detecting means. The method comprises the steps of monitoring or estimating the environment or the physical positional relationship between the user and the portable terminal and changing the display color, the gradation level or both based on the result. It is possible to provide a display in which the display contents such as characters and images are always easy for the user to see, even if the environment, place, and physical positional relationship with the user when using is changed, or It is possible to make the display content more confidential, so that the confidentiality of the displayed contents can be increased.

According to a fourth aspect of the present invention, there is provided an apparatus for adjusting a display range in a portable terminal having a reflective display unit, means for detecting a use environment and a state of the portable terminal, and the detecting means. Means for determining the use state of the mobile terminal based on the detection result from the front light source for the display unit having a variable light emission direction, and control means for adjusting the light emission direction of the front light source from the determination result In response to a change in the usage state of the portable terminal, it is possible to take measures such as preventing reflection from an external light source, and to automatically adjust the display range.

According to a fifth aspect of the present invention, there is provided a display range adjusting device, comprising: a portable terminal provided with a reflective display unit, for detecting a use state of the portable terminal;
Means for determining the usage state of the mobile terminal based on the detection result from the detection means, and means for storing and storing corresponding data for determining the usage state of the mobile terminal in accordance with the determination result,
Means for arbitrarily changing the stored and stored corresponding data, and changing the determination result in accordance with an arbitrary setting of a user;
Statistical processing of the past history of the corresponding data, means for updating the determination result based on the result of the statistical processing, a front light source for the display unit having a variable light emitting direction, and the front light source of the front light source from the determination result Control means for adjusting the light emitting direction, reflecting the user's preference with a change in the use state of the portable terminal, or according to the difference in preference for each user, from an external light source. It is possible to take measures such as preventing reflection, and to automatically adjust the display range.

According to a sixth aspect of the present invention, there is provided a method of adjusting a display range in a portable terminal having a reflective display unit by using at least one or more kinds of detecting means to improve the use environment of the portable terminal. The method comprises the steps of monitoring or estimating the physical positional relationship between the user and the mobile terminal, and changing the light emitting direction of the front light source based on the result. Even if the environment, place, and physical positional relationship with the user change, it is possible to take measures such as preventing reflection from an external light source, and to provide a display that is always easy for the user to see. Alternatively, it is possible to make it difficult for anyone other than the user to see, so that the confidentiality of the displayed contents can be enhanced.

According to a seventh aspect of the present invention, there is provided an apparatus for adjusting a display range, comprising: a portable terminal provided with a reflective display unit; means for detecting a use environment and a state of the portable terminal; Means for determining the use state of the mobile terminal based on the detection result from the front light source for the display unit having a variable light emission amount, and control means for adjusting the light emission amount of the front light light source from the determination result In accordance with changes in the usage state of the mobile terminal, it is possible to take measures such as preventing the visibility of display contents from deteriorating due to the influence of incident light from the outside, etc. This has the effect that the display range can be adjusted in a targeted manner.

The display range adjusting device according to the invention of claim 8 is a portable terminal provided with a reflection type display unit, a means for detecting a use state of the portable terminal,
Means for determining the use state of the mobile terminal based on the detection result from the detection means, means for storing and storing corresponding data for determining the use state of the mobile terminal in accordance with the result of the determination, Means for arbitrarily changing the corresponding data and changing the determination result in accordance with a user's arbitrary setting, and statistically processing the past history of the corresponding data, and updating the determination result based on the result of the statistical processing. Means, a front light source for the display unit whose light emission amount is variable, and control means for adjusting the light emission amount of the front light light source based on the determination result. It is possible to reflect the user's preference due to the change, and to prevent the deterioration of the visibility of the display contents caused by the influence of the incident light from the outside according to the preference of each user. Becomes It has an effect that it is adjusted dynamically display range.

According to a ninth aspect of the present invention, there is provided a method of adjusting a display range in a portable terminal provided with a reflective display unit by using at least one or more types of detecting means. The method includes monitoring or estimating the physical positional relationship between the user and the portable terminal, and changing the light emission amount of the front light source based on the result. Even if the physical position relationship with the environment, place and user changes, it is possible to take measures such as preventing the deterioration of the visibility of the display content generated due to the influence of the incident light from the outside,
Since it is possible to provide a display that is always easy for the user to see, or to make it difficult for anyone other than the user to see, there is an effect that the confidentiality of the display content can be increased.

According to a tenth aspect of the present invention, there is provided a display range adjusting device, comprising: a mobile terminal provided with a reflective display unit; a means for detecting a use environment and a state of the mobile terminal; Means for determining the use state of the portable terminal based on the detection result from the display unit, a front light source for the display unit having a variable light emission direction and light emission amount, and a light emission direction and light emission amount of the front light light source from the determination result. Control means for adjusting the use of the mobile terminal, in response to changes in the use state of the mobile terminal, such as to prevent reflection from an external light source, and for the influence of incident light from the outside Since it is possible to take measures such as preventing the visibility of the displayed contents from being degraded, high-precision control can be realized, so that the current consumption when the light source is used can be reduced, and the display range can be automatically adjusted. It has the effect of say.

[0020] In a portable terminal provided with a reflection-type display unit, the display range adjusting device according to the present invention as described in claim 11 is a means for detecting a use state of the portable terminal, and Means for determining the usage state of the mobile terminal based on the detection result; means for storing and storing corresponding data for determining the usage state of the mobile terminal in accordance with the determination result; Means for changing the determination result according to the user's arbitrary setting, means for statistically processing the past history of the corresponding data, means for updating the determination result based on the result of the statistical processing, light emitting direction and A front end light source for the display unit having a variable light emission amount; and control means for adjusting a light emission direction and a light emission amount of the front light source based on the determination result. Or to reflect the preference of the user associated with the use of state change, in accordance with the difference in the taste of each user,
High-precision control is possible because it is possible to take measures such as preventing reflection from an external light source and preventing deterioration of the visibility of display contents caused by the influence of external incident light. By realizing this, it is possible to reduce current consumption when the light source is used, and to automatically adjust the display range.

According to a twelfth aspect of the present invention, there is provided a method for adjusting a display range in a portable terminal provided with a reflective display unit by using at least one or more types of detecting means. The method comprises the steps of monitoring or estimating the physical positional relationship between the user and the portable terminal, and changing the light emitting direction and the light emitting amount of the front light source based on the result. Even if the environment, place, and physical positional relationship with the user change, measures such as preventing reflection from an external light source, and display contents generated due to the influence of external incident light To prevent the deterioration of the visibility of the light source, so that high-precision control can be realized, reducing the current consumption when using the light source and providing a display that is always easy for the user to see. Rukoto are possible, or in order to be able causes difficult to see for non user, an effect that it is possible to increase the confidentiality of the display.

According to a thirteenth aspect of the present invention, there is provided an apparatus for adjusting a display range, comprising: a means for detecting a use environment and a state of the portable terminal in a portable terminal having a transmissive or semi-transmissive display unit. Means for determining the use state of the portable terminal based on the detection result from the detection means, a backlight light source for the display unit having a variable light emission direction, and adjusting the light emission direction of the backlight light source from the determination result. Control means to prevent reflection from an external light source in accordance with a change in the use state of the portable terminal, and automatically adjust the display range. Has an action.

According to a fourteenth aspect of the present invention, in a portable terminal having a transmissive or semi-transmissive display unit, a device for detecting a use state of the portable terminal is provided. Means for determining the use state of the mobile terminal based on the detection result from the detection means; means for storing and storing corresponding data for determining the use state of the mobile terminal in accordance with the determination result; Means for arbitrarily changing the corresponding data and changing the determination result in accordance with an arbitrary setting of the user; means for statistically processing the past history of the corresponding data and updating the determination result based on the result of the statistical processing A backlight light source for the display unit whose light emission direction is variable, and control means for adjusting the light emission direction of the backlight light source based on the determination result. It is possible to reflect the user's preference due to the change of the image, to prevent the reflection from the external light source according to the preference of each user, and to automatically adjust the display range. Has an action.

According to a method of adjusting a display range according to the present invention, in a portable terminal having a transmissive or semi-transmissive display unit, at least one kind of detecting means is used for the portable terminal. Monitoring or estimating the use environment or the physical positional relationship between the user and the portable terminal, and comprising the steps of changing the light emitting direction of the backlight light source based on the result of the monitoring or estimation, Even if the environment, location, and physical positional relationship with the user when using a mobile terminal change, measures such as preventing reflection from an external light source can be taken, and a display that is always easy for the user to see is provided. Since it is possible to make it difficult for anyone other than the user to view, it is possible to increase the confidentiality of the displayed contents.

A display range adjusting device according to a sixteenth aspect of the present invention is a portable terminal having a transmissive or semi-transmissive display unit, comprising means for detecting a use environment and a state of the portable terminal. A means for determining the use state of the mobile terminal based on a detection result from the detection means, a backlight light source for the display unit, the light emission direction and the light emission amount are variable,
A control unit that adjusts a light emission direction and a light emission amount of the backlight light source based on the determination result, and prevents reflection from an external light source in accordance with a change in the use state of the mobile terminal, and the like. And the prevention of deterioration of the visibility of the display contents caused by the influence of the incident light from the outside. This has the effect that the display range can be reduced and the display range can be automatically adjusted.

A display range adjusting apparatus according to a seventeenth aspect of the present invention is a portable terminal having a transmissive or translucent display unit, wherein the means for detecting a use state of the portable terminal is provided. Means for determining the use state of the mobile terminal based on the detection result from the detection means; means for storing and storing corresponding data for determining the use state of the mobile terminal in accordance with the determination result; Means for arbitrarily changing the corresponding data and changing the determination result in accordance with an arbitrary setting of the user; means for statistically processing the past history of the corresponding data and updating the determination result based on the result of the statistical processing A backlight direction light source for the display unit in which the light emission direction and the light emission amount are variable, and control means for adjusting the light emission direction and the light emission amount of the backlight light source from the determination result, Measures such as reflecting the user's preferences due to changes in the usage status of the mobile terminal, preventing reflection from an external light source in accordance with the differences in preferences for each user, and the effects of external incident light For this reason, it is possible to take measures such as preventing the deterioration of the visibility of the display content that occurs due to the above-mentioned problems.Therefore, high-precision control can be realized, thereby reducing the current consumption when using the light source, and automatically adjusting the display range. Has the effect of being able to.

The display range adjusting method according to claim 18 of the present invention is directed to a portable terminal provided with a transmissive or semi-transmissive display unit by using at least one or more types of detecting means. The use environment or the physical positional relationship between the user and the portable terminal is monitored or estimated, and the light emitting direction and the light emitting amount of the backlight light source are changed based on the result. Even if the environment, location, and physical positional relationship with the user when using the mobile terminal change, measures such as preventing reflection from an external light source and the effects of external incident light Since it is possible to take measures such as preventing the deterioration of the visibility of the displayed contents, it is possible to realize high-precision control, thereby reducing the current consumption when the light source is used, and always being easy for the user to see. It is possible to provide a view, or in order to be able causes difficult to see for non user, an effect that it is possible to increase the confidentiality of the display.

According to a nineteenth aspect of the present invention, there is provided a display range adjusting device, comprising: a mobile terminal provided with a display unit having a viewing angle characteristic; a means for detecting a use environment and a state of the mobile terminal; Means for determining the use state of the mobile terminal based on the detection result from the detection means, and display contents (characters, images, characters,
(Including lines, etc.) for recreating the characters, images, etc. according to changes in the use state of the mobile terminal so that the characters and images can be easily viewed by changing the shape and size. The display range can be changed and the display range can be automatically adjusted.

According to a twentieth aspect of the present invention, there is provided a display range adjusting device, comprising: a mobile terminal provided with a display unit having a viewing angle characteristic; a means for detecting a use state of the mobile terminal; Means for judging the use state of the portable terminal based on the detection result from the apparatus, means for storing correspondence data for judging the use state of the portable terminal corresponding to the judgment result, and the stored correspondence data Arbitrarily, means for changing the determination result according to the user's arbitrary setting, means for statistically processing the past history of the corresponding data, and means for updating the determination result based on the result of the statistical processing,
From the determination result, the display contents (characters, images,
(Including a character, a line, etc.) to reflect the user's preference due to a change in the use state of the portable terminal or to match the preference of each user. By changing the shape, size, etc. of characters and images, it is possible to change them so that they are easy to see, and it has the effect of automatically adjusting the display range.

According to a method for adjusting a display range according to the invention described in claim 21 of the present invention, in a portable terminal having a display section having a viewing angle characteristic, the portable terminal can be used by using at least one or more kinds of detecting means. The method includes monitoring or estimating the environment or the physical positional relationship between the user and the portable terminal, and recreating display contents (including characters, images, characters, lines, etc.) based on the result. Even when the environment, location, and physical positional relationship with the user when using the mobile terminal change, the user always changes the shape and size of characters and images, etc. It is possible to provide an easy-to-read display, or to make it difficult for anyone other than the user to see, so that it is possible to increase the confidentiality of the display contents. To.

[0031]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 to FIG.
Based on the above, first to twentieth embodiments of the present invention will be described in detail. (First Embodiment) First, an adjustment device for adjusting a display range on a display unit of a portable terminal according to a first embodiment of the present invention will be described with reference to FIGS.

FIG. 1 is a perspective view of a display device showing a state in which a display unit applied to an embodiment of the present invention can be freely moved in an arbitrary direction, and FIG. 2 is applied to the embodiment of the present invention. FIG. 4 is a perspective view of a display device showing a state in which the viewing angle range of the display unit can be freely moved to an arbitrary area. FIG. 4 is a configuration of a display range adjustment device in the display unit of the portable terminal according to the first embodiment of the present invention. FIG.

In FIG. 1, reference numeral 1 denotes a housing of a portable terminal, and 2 denotes a display unit such as a liquid crystal panel and a display surface of a display device. In this case, the display surface can be moved in any direction by setting the movable points in any of the directions 3 to 6 and the combination of the directions 3 to 6.

In FIG. 2, reference numeral 11 denotes a housing of a portable terminal, and reference numeral 12 denotes a display unit such as a liquid crystal panel and a display surface of a display device, which may be a transmission type, a semi-transmission type or a reflection type. Reference numeral 13 denotes a three o'clock direction with respect to the display surface;
Represents the limit angle in the 3 o'clock direction at which the display contents can be recognized. Reference numeral 14 denotes a 12 o'clock direction with respect to the display surface, and reference numeral 19 denotes a limit angle of the 12 o'clock direction at which display contents can be recognized.
Reference numeral 15 denotes a 9 o'clock direction with respect to the display surface, and reference numeral 20 denotes a 9 o'clock limit angle at which display contents can be recognized.

Reference numeral 16 denotes a 6 o'clock direction with respect to the display surface, and reference numeral 21 denotes a limit angle of the 6 o'clock direction at which display contents can be recognized. The display range indicated by at least four parameters of 18, 19, 20, and 21 is defined as a viewing angle range in this case, and by changing these parameters, the viewing angle range can be changed in any direction. . Here, the display range indicates both the effect of moving the display surface including the display angle and the effect of moving the viewing angle range. The technical idea applied to the display device shown in FIGS. 1 and 2 is applied to all the embodiments described below.

Next, with reference to FIG. 4, a description will be given of a configuration of the display range adjusting device on the display unit of the portable terminal according to the first embodiment of the present invention. Reference numeral 31 denotes detection means for detecting a use environment and a use state of the portable terminal, and a positional relationship between the portable terminal and the user, and includes various sensors (for example, a tilt sensor for detecting a degree of inclination, a gaze detection means for detecting a gaze). , A pressure sensor for detecting that the device is placed on a desk or the like, a device for detecting the brightness of the surrounding environment, a device for detecting the amount of incident light, and the like, etc.). Reference numeral 32 denotes a determination unit that determines the state of the mobile terminal based on the detected result. 33 is a viewing angle control unit that changes the viewing angle range based on the adjustment data sent from the determination unit 32, and 34 is a corresponding data storage unit that stores the state of the mobile terminal and the corresponding viewing angle control data. is there.

Next, the operation of the display range adjusting device on the display unit of the portable terminal according to the present embodiment will be described with reference to FIG. For example, when the use state of the portable terminal such as the face-to-face state of the user changes, the detection unit 31 notifies the determination unit 32 of detection data indicating a change in the state of the portable terminal. Further, the detection data may be transmitted starting from a request from the determination unit 32 or an interrupt process of the detection unit 31 itself such as a self-timer.

The determination means 32 determines a change in the state of the portable terminal by comparing the input detection data with the terminal state data in the corresponding data storage unit 34. If it is determined that a state change has occurred, it is likely that the visibility of the display has been impaired for the user, so the viewing angle adjustment data corresponding to the state change is sent to the viewing angle control means 33. Send out. The viewing angle control unit 33 performs adjustment for changing the display range by changing the viewing angle range according to the input adjustment data.

In the present embodiment, the adjustment device for the display range of the display unit of the portable terminal repeats the above basic operation at the time of use, so that the adjustment device can be adjusted to an appropriate display range reflecting a change in the use state. Can be provided. Further, by changing the display range, it is possible to make it difficult for anyone other than the user to see the display contents, and it is possible to prevent confidential leakage and the like.

Furthermore, a display device that cannot be adjusted needs a wide viewing angle range, but according to the embodiment of the present invention, it is sufficient if the display device has a viewing angle characteristic in a narrow range. The drive current of the device can be reduced.

(Second Embodiment) First, FIGS. 1 to 3
Referring to FIG. 5 and FIG. 5, an adjustment device for adjusting a display range on a display unit of a mobile terminal according to the second embodiment of the present invention will be described. 1 and 2 have been described in the first embodiment, and a description thereof will be omitted. FIG. 3 is a flowchart showing an operation procedure of the adjusting device of the display unit of the mobile terminal according to the second embodiment of the present invention, and FIG. 5 is a diagram showing the display range of the display unit of the mobile terminal according to the second embodiment of the present invention. It is a block diagram showing composition of an adjustment device.

In FIG. 5, reference numeral 41 denotes a detecting means for detecting a use environment and a use state of the portable terminal, and a positional relationship with the user, and may be constituted by various sensors. Reference numeral 42 denotes a control block including a determination unit that determines the terminal state based on the detected result, and a corresponding data storage unit that stores the state of the mobile terminal and the viewing angle control data corresponding thereto. 43 is a control block 4
This is a viewing angle control unit that changes the viewing angle range based on the adjustment data sent from the control unit 2. Reference numeral 44 denotes an external operation means for the user to give a display range adjustment instruction.

Next, an operation procedure of the display range adjusting device on the display unit of the portable terminal according to the present embodiment will be described with reference to FIGS. In step 1001, for example, when the state of the portable terminal changes, such as the state of meeting with the user, detection data indicating a state change is notified from the detection unit 41 to the control block 42. The detection data is transmitted from a request from the control block 42 or from the detection unit 41.
It may be transmitted starting from the interrupt processing of its own timer or the like. Further, it is assumed that viewing angle adjustment data corresponding to a change in the state of the portable terminal is set in the correspondence data storage unit in advance.

The process proceeds from step 1001 to step 1002 to monitor the state of the portable terminal while comparing the detection data input to the control block 42 with the current terminal state. If the status change has not occurred in the mobile terminal, the process returns to step 1001 to continue monitoring the status of the mobile terminal.

When a state change occurs in the portable terminal,
Since it is possible that the user has lost the visibility of the display, the process proceeds to step 1003. In step 1003, the corresponding data is read based on the detected data, and in step 1004, the viewing angle adjustment data associated with the corresponding data is sent to the viewing angle control unit 43. The viewing angle control unit 43 adjusts the display range by changing the viewing angle range according to the input adjustment data.

In step 1005, if the user determines that the display range and the visibility are appropriate, the external operating means 4
4, the adjustment operation is completed. In this apparatus, the flow returns to step 1001 to continue the monitoring operation.

However, if the user determines that the display range and the visibility are inappropriate, the process proceeds to step 1006, and the adjustment operation is continued using the external operation means 44. Further, in step 1007, the tendency of the user instructing the past adjustment is statistically processed, and the viewing angle adjustment data according to the user's tendency is calculated, and the process proceeds to step 1008.

In step 1008, the corresponding data in the control block 42 is updated according to the user's change instruction and the viewing angle adjustment data calculated in step 1007. When the viewing angle adjustment data is updated, the process proceeds to step 1003, where the display range is adjusted again.

The device for adjusting the display range on the display unit of the portable terminal according to the present embodiment repeats the above basic operation during use, so that the proper display range reflecting the change of the use state and the preference of the user can be obtained. Can be provided. In addition, by changing the display range, it is possible to make it difficult for anyone other than the user to see the display contents, and it is possible to prevent leakage of confidential information.

Furthermore, a display device that cannot be adjusted requires a wide viewing angle range. However, according to the embodiment of the present invention, it is sufficient if the display device has a viewing angle characteristic in a narrow range. The drive current of the device can be reduced.

(Third Embodiment) First, referring to FIGS. 1, 2 and 6, an adjusting device for adjusting a display range on a display unit of a portable terminal according to a third embodiment of the present invention will be described. explain. 1 and 2 have been described in the first embodiment, and a description thereof will be omitted. FIG. 6 is a block diagram illustrating a configuration of a display range adjustment device on a display unit of a mobile terminal according to the third embodiment of the present invention.

In FIG. 6, reference numeral 51 denotes a detecting means for detecting a use environment and a use state of the portable terminal, and a positional relationship between the portable terminal and the user, and may be constituted by various sensors. Reference numeral 52 denotes a determination unit that determines the terminal state based on the detected result. 53 is a gradation level / display color control means capable of changing the gradation level or display color based on the control data sent from the determination means 52, and 54 is a correspondence storing the state of the portable terminal and the corresponding control data. It is a data storage unit. Reference numeral 55 denotes display unit control means for performing interface control on the display unit, and reference numeral 56 denotes a display data buffer for storing display contents.

Next, the operation of the display range adjusting device on the display unit of the portable terminal according to the present embodiment will be described with reference to FIG. For example, when the state of the portable terminal, such as the state of meeting with the user, changes, detection data indicating a state change is notified from the detection unit 51 to the determination unit 52. Further, the detection data may be transmitted from a request from the determination unit 52 or an interrupt process such as a self-timer of the detection unit 51 itself.

The judging means 52 judges a change in the state of the portable terminal by comparing the input detection data with the terminal state data in the corresponding data storage unit 54. If it is determined that a state change has occurred in the mobile terminal, it is possible that the user may have lost the visibility of the display. Therefore, the control for display data conversion according to the state change is performed. The data is sent to the gradation level / display color control means 53. The gradation level / display color control unit 53 adjusts the display range by changing the gradation level or the display color according to the input control data.

Next, gradation level / display color control means 53
Performs processing, such as changing the gradation level or display color, on the display data originally stored in the display data buffer 56 in accordance with the instruction of the control data, to the display unit control means 55. Send out.

The display control means 55 executes display control without being conscious of whether or not processing has been performed on the display data.
Therefore, when it is determined that the state of the portable terminal is the initial setting state, the gradation level / display color control unit 53 does not process the display data in the display data buffer 56 and displays the display unit control unit 55. And display it as it is.

The display range adjusting device in the display section of the portable terminal according to the present embodiment can be adjusted to an appropriate display range by reflecting the change in the use state by repeating the above basic operation during use. Can be provided. For example, as an example, by automatically adjusting the outline of an image or a character in accordance with a change in the state of the mobile terminal, the recognition rate of display content that is difficult to see can be increased.

Also, by changing the display range,
It is possible to make it difficult for anyone other than the user to see the displayed contents, and it is possible to prevent confidential leakage and the like. Furthermore, a display device that cannot be adjusted requires a wide viewing angle range. However, according to the embodiment of the present invention, it is sufficient that the display device has a viewing angle characteristic in a narrow range. The current can be reduced.

(Fourth Embodiment) First, FIGS.
Referring to FIG. 7 and FIG. 7, an adjustment device for adjusting a display range on a display unit of a mobile terminal according to a fourth embodiment of the present invention will be described. 1 to 3 have been described in the first or second embodiment, and a description thereof will be omitted. FIG.
FIG. 14 is a block diagram illustrating a configuration of a display range adjustment device on a display unit of a mobile terminal according to a fourth embodiment of the present invention.

In FIG. 7, reference numeral 61 denotes detection means for detecting the use environment and use state of the portable terminal and the positional relationship between the portable terminal and the user, and may be constituted by various sensors and the like. Reference numeral 62 denotes a control block including a determination unit that determines the terminal state based on the detected result, and a corresponding data storage unit that stores the state of the mobile terminal and the corresponding viewing angle control data. 63 is a control block 62
A gradation level / display color control means 64 for changing a gradation level or a display color based on the control data sent from the external device 64 is an external operation means for a user to give a display range adjustment instruction. Reference numeral 65 denotes a display unit control means for controlling an interface with the display unit, and 66 is a display data buffer storing display contents.

Next, with reference to FIGS. 3 and 7, an operation procedure of the display range adjusting device on the display unit of the portable terminal according to the present embodiment will be described. In step 1001, for example, when the state of the portable terminal, such as the state of meeting with the user, changes, detection data indicating a state change is notified from the detection unit 61 to the control block 62. Further, the detection data is transmitted from a request from the control block 62 or the detection unit 6.
It may be transmitted from an interrupt process of its own timer or the like. It is assumed that control data corresponding to a state change of the mobile terminal is set in the corresponding data storage unit in advance.

The process proceeds from step 1001 to step 1002 to monitor the state of the portable terminal while comparing the detected data input to the control block 62 with the current terminal state. If the status of the mobile terminal has not changed, the process returns to step 1001 to continue the status monitoring. If a state change has occurred, it is likely that the visibility of the display has been impaired for the user.
Shift to 003.

In step 1003, corresponding data is read based on the detected data, and in step 1004, control data associated with the corresponding data is sent to the gradation level / display color control means 63. The gradation level / display color control unit 63 adjusts the display range by changing the gradation level or the display color according to the input control data.

In step 1005, if the user determines that the display range and the visibility are appropriate, the external operating means 6
4 to end the adjustment operation. In this apparatus, the flow returns to step 1001 to continue the monitoring operation.

However, if the user determines in step 1005 that the display range and the visibility are inappropriate, the process proceeds to step 1006 and the external operation means 64
The adjustment operation is continued using. At the time of the adjustment operation, the gradation level / display color control means 63 controls the display data buffer 6.
The display data originally stored in the display unit 6 is processed according to an instruction of the control data, such as changing a gradation level or a display color, and transmitted to the display unit control unit 65.

The display control means 65 executes display control on the display data without being conscious of the presence or absence of processing.
Therefore, when it is determined that the state of the portable terminal is the initial setting state, the gradation level / display color control unit 53 does not process the display data in the display data buffer 56 and displays the display unit control unit 55. And display it as it is.

The process proceeds from step 1006 to step 1007 to statistically process the tendency of the user to instruct the past adjustment, calculate control data in accordance with the tendency of the user, and proceed to step 1008. In step 1008, the corresponding data in the control block 62 is updated according to the user's change instruction and the control data calculated in step 1007. When the control data is updated, the process proceeds to step 1003, and the display range is adjusted again.

The device for adjusting the display range on the display unit of the portable terminal according to the present embodiment repeats the above-mentioned basic operation during use, so that the proper display range reflecting the change of the use state and the user's preference is obtained. Can be provided. For example, as an example, recognition of display contents that are difficult to see is performed by automatically enhancing the outline of an image or a character according to a user's favorite tendency, automatically adjusting to the state change of the mobile terminal. Rate can be increased.

Also, by changing the display range,
It is possible to make it difficult for anyone other than the user to see the displayed contents, and it is possible to prevent confidential leakage and the like. Furthermore, a display device that cannot be adjusted requires a wide viewing angle range. However, according to the embodiment of the present invention, it is sufficient that the display device has a viewing angle characteristic in a narrow range. The current can be reduced.

(Fifth Embodiment) First, referring to FIG. 1, FIG. 2 and FIG. 8, an adjusting device for adjusting a display range on a display unit of a portable terminal according to a fifth embodiment of the present invention will be described. explain. 1 and 2 have been described in the first embodiment, and a description thereof will be omitted. FIG. 8 is a block diagram illustrating a configuration of a display range adjustment device on a display unit of a mobile terminal according to a fifth embodiment of the present invention.

In FIG. 8, reference numeral 71 denotes detection means for detecting the use environment and use state of the portable terminal and the positional relationship between the portable terminal and the user, and may be constituted by various sensors and the like. Numeral 72 is a judging means for judging the terminal state based on the detected result. Reference numeral 73 denotes a contrast control unit that changes the contrast of the display unit based on the adjustment data sent from the determination unit 72. Reference numeral 74 denotes a corresponding data storage unit that stores the state of the mobile terminal and adjustment data corresponding thereto. .

Next, with reference to FIG. 8, the operation of the display range adjusting device on the display unit of the portable terminal according to the present embodiment will be described. For example, when the state of the portable terminal, such as the state of meeting with the user, changes, the detection means 71 notifies the determination means 72 of detection data indicating the state change. The detection data may be transmitted from a request from the determination unit 72 or an interrupt process of the detection unit 71 itself such as a timer.

The determination means 72 determines a change in the state of the portable terminal by comparing the input detection data with the terminal state data in the corresponding data storage 74. When it is determined that a state change has occurred, it is possible that the visibility of the display has been impaired for the user. Send out. Contrast control means 73
Executes the adjustment of the display range by changing the contrast of the display unit according to the input adjustment data.

In the present embodiment, the adjustment device for the display range of the display unit of the portable terminal repeats the above basic operation at the time of use, so that the adjustment device can be adjusted to an appropriate display range by reflecting the change of the use state. Can be provided.

Also, by changing the display range,
It is possible to make it difficult for anyone other than the user to see the displayed contents, and it is possible to prevent confidential leakage and the like. Furthermore, a display device that cannot be adjusted requires a wide viewing angle range. However, according to the embodiment of the present invention, it is sufficient that the display device has a viewing angle characteristic in a narrow range. The current can be reduced.

As an example, the initial condition of the contrast ratio of the display device is not maximized but set to an intermediate level. Therefore, the display range (viewing angle range) is narrower than the maximum contrast. If the embodiment of the present invention is applied, when the user moves the display unit to a position outside the viewing angle range, the display unit is adjusted to increase the contrast ratio, and as a result, the display range is expanded. Become. That is, since the display area is not fixed, the current consumption can be appropriately controlled, which can contribute to the reduction of the current consumption.

(Sixth Embodiment) First, FIGS.
Referring to FIG. 9 and FIG. 9, an adjusting device for adjusting a display range on a display unit of a mobile terminal according to a sixth embodiment of the present invention will be described. 1 to 3 have been described in the first or second embodiment, and a description thereof will be omitted. FIG.
FIG. 18 is a block diagram illustrating a configuration of a display range adjustment device on a display unit of a mobile terminal according to a sixth embodiment of the present invention.

In FIG. 9, reference numeral 81 denotes detection means for detecting the use environment and use state of the portable terminal and the positional relationship between the portable terminal and the user, and may be constituted by various sensors. A control block 82 includes a determination unit that determines the terminal state based on the detected result, and a corresponding data storage unit that stores the state of the mobile terminal and contrast adjustment data corresponding thereto. Reference numeral 83 denotes contrast control means for changing the contrast based on the adjustment data sent from the control block 82. Reference numeral 84 denotes an external operation means for giving a user an instruction to adjust the display range.

Next, an operation procedure of the display range adjusting device on the display unit of the portable terminal according to the present embodiment will be described with reference to FIGS. In step 1001, when the state of the portable terminal changes, detection data indicating the state change is notified from the detection means 81 to the control block 82. Further, the detection data may be transmitted from a request from the control block 82 or an interrupt process such as a self-timer of the detection means 81 itself. In advance,
It is assumed that contrast adjustment data corresponding to the state change of the mobile terminal is set in the corresponding data storage unit.

The process proceeds from step 1001 to step 1002 to monitor the state of the portable terminal while comparing the detection data input to the control block 82 with the current terminal state. If the status change has not occurred in the mobile terminal, the process returns to step 1001 to continue monitoring the status of the mobile terminal.

When a state change occurs in the portable terminal,
Since there is a possibility that the visibility of the display has been impaired for the user, the process proceeds to step 1003. In step 1003, the corresponding data is read based on the detected data, and in step 1004, the contrast adjustment data associated with the corresponding data is sent to the contrast control means 83. The contrast control means 83
The display range is adjusted by changing the contrast of the display unit according to the input adjustment data.

The device for adjusting the display range on the display unit of the portable terminal according to the present embodiment repeats the above basic operation at the time of use, so that the display range can be changed to an appropriate display range reflecting the user's preference and the user's preference. An adjustable adjustment device can be provided.

Also, by changing the display range,
It is possible to make it difficult for anyone other than the user to see the displayed contents, and it is possible to prevent confidential leakage and the like. Furthermore, a display device that cannot be adjusted requires a wide viewing angle range. However, according to the embodiment of the present invention, it is sufficient that the display device has a viewing angle characteristic in a narrow range. The current can be reduced.

As an example, the initial condition of the contrast ratio of the display device is set to an intermediate level without being maximized. Therefore, the display range (viewing angle range) is narrower than the maximum contrast. If the embodiment of the present invention is applied, when the user moves the display unit to a position outside the viewing angle range, the display unit is adjusted to increase the contrast ratio, and as a result, the display range is expanded. Become. That is, since the display area is not fixed, the current consumption can be appropriately controlled, which can contribute to the reduction of the current consumption.

(Seventh Embodiment) First, referring to FIGS. 1, 2 and 10, an adjusting device for adjusting a display range on a display unit of a portable terminal according to a seventh embodiment of the present invention will be described. explain. 1 and 2 have been described in the first embodiment, and a description thereof will be omitted. FIG. 10 is a block diagram illustrating a configuration of a display range adjustment device on a display unit of a mobile terminal according to a seventh embodiment of the present invention.

In FIG. 10, reference numeral 91 denotes detection means for detecting the use environment and use state of the portable terminal and the positional relationship between the portable terminal and the user, and may be constituted by various sensors and the like. Reference numeral 92 denotes determination means for determining a terminal state based on the detected result. 93 is a light emission direction control means for changing the light emission direction of the front light based on the control data sent from the determination means 92, 94 is a state of the portable terminal and a corresponding data storage section storing control data corresponding thereto, 95 is a front light source.

Next, the operation of the display range adjusting device on the display unit of the portable terminal according to the present embodiment will be described with reference to FIG. For example, when the state of the portable terminal such as the state of meeting with the user changes, detection data indicating a state change is notified from the detection unit 91 to the determination unit 92.
Further, the detection data may be transmitted from a request from the determination unit 92 or an interrupt process of the detection unit 91 itself such as a timer.

The determination means 92 determines a change in the state of the portable terminal by comparing the input detection data with the terminal state data in the corresponding data storage unit 94. If it is determined that a state change has occurred, it is likely that the visibility of the display has been impaired for the user, and control data in accordance with the state change is transmitted to the light emission direction control means 93. I do. The light emitting direction control means 93 adjusts the display range by changing the light emitting direction of the front light according to the input control data.

The adjusting device for the display range of the display unit of the portable terminal according to the present embodiment can be adjusted to an appropriate display range by reflecting the change of the use state by repeating the above basic operation at the time of use. Can be provided. Also, by changing the display range,
It is possible to make it difficult for anyone other than the user to see the displayed contents, and it is possible to prevent confidential leakage and the like.

As an example, depending on the angle of external light (for example, a fluorescent lamp) with respect to the display device and the positional relationship of the user's eyes, a state in which the display content is difficult to see due to the reflected light from the external light may occur. At this time, by changing the light emitting direction of the front light so as to cancel the reflected light, the influence of the reflection from the external light can be suppressed. According to the present embodiment, such an operation can be automatically controlled.

(Eighth Embodiment) First, FIGS.
Referring to FIG. 11 and FIG. 11, an adjustment device for adjusting a display range on a display unit of a mobile terminal according to an eighth embodiment of the present invention will be described. FIG. 1 to FIG. 3 show the first or second
Since the embodiment has been described, the description is omitted. FIG. 11 is a block diagram illustrating a configuration of a display range adjustment device on a display unit of a mobile terminal according to an eighth embodiment of the present invention.

In FIG. 11, reference numeral 101 denotes detection means for detecting the use environment and use state of the portable terminal and the positional relationship between the portable terminal and the user, and may be constituted by various sensors. A control block 102 includes a determination unit that determines the terminal state based on the detected result, and a corresponding data storage unit that stores the state of the mobile terminal and corresponding control data. 103 is a control block 102
2 shows light emission direction control means for changing the light emission direction of the front light based on the control data sent from the control unit. Reference numeral 104 denotes an external operation unit for giving a user a display range adjustment instruction, and reference numeral 105 denotes a front light source.

Next, an operation procedure of the display range adjusting device on the display unit of the portable terminal according to the present embodiment will be described with reference to FIGS. In step 1001, for example, when the state of the portable terminal such as the state of meeting with the user changes, the detection means 101 notifies the control block 102 of detection data indicating the state change. Further, the detection data may be transmitted from a request from the control block 102 or an interrupt process such as a self-timer of the detection means 101 itself. It is assumed that control data corresponding to a state change of the mobile terminal is set in the corresponding data storage unit in advance.

The process proceeds from step 1001 to step 1002 to monitor the state of the portable terminal while comparing the detection data input to the control block 102 with the current terminal state. If the status of the mobile terminal has not changed, the process returns to step 1001 to continue monitoring the status of the mobile terminal.

When a state change occurs in the portable terminal,
Since there is a possibility that the visibility of the display has been impaired for the user, the process proceeds to step 1003. In step 1003, the corresponding data is read out based on the detected data, and in step 1004, the control data associated with the corresponding data is sent to the light emission direction control means 103. The light emitting direction control unit 103 adjusts the display range by changing the light emitting direction of the front light according to the input control data.

At step 1005, if the user determines that the display range and the visibility are appropriate, the adjustment operation is terminated using the external operation means 104. In the present embodiment, the process returns to step 1001 to continue the monitoring operation. However, when the user determines that the display range and the visibility are inappropriate, the process proceeds to step 1006, and the adjustment operation is continued by operating the external operation unit 104.

The process proceeds from step 1006 to step 1007, in which the past history of the user, that is, the past tendency in which the user instructed the adjustment is statistically processed, and control data in accordance with the tendency of the user is calculated. Proceed to. In step 1008, a user's change instruction and step 10
The corresponding data in the control block 102 is updated according to the control data calculated in 07. When the control data is updated, the process proceeds to step 1003, and the display range is adjusted again.

The display range adjusting device in the display unit of the portable terminal according to the present embodiment repeats the above-described basic operation during use, so that the display range can be changed to an appropriate display range reflecting the user's preference. An adjustable adjustment device can be provided. In addition, by changing the display range, it is possible to make it difficult for anyone other than the user to see the display contents, and it is possible to prevent leakage of confidential information.

As an example, depending on the angle of external light (for example, a fluorescent lamp) with respect to the display device and the positional relationship of the user's eyes, a state in which the display content is difficult to see due to the reflected light from the external light may occur. At this time, by changing the light emitting direction of the front light so as to cancel the reflected light, the influence of the reflection from the external light can be suppressed. According to the present embodiment, such an operation can be automatically controlled.

Ninth Embodiment Referring first to FIGS. 1, 2 and 12, an adjusting device for adjusting a display range on a display section of a portable terminal according to a ninth embodiment of the present invention will be described. explain. 1 and 2 have been described in the first embodiment, and a description thereof will be omitted. FIG. 12 is a block diagram illustrating a configuration of a display range adjustment device on a display unit of a mobile terminal according to a ninth embodiment of the present invention.

In FIG. 12, reference numeral 111 denotes detection means for detecting the use environment and use state of the portable terminal and the positional relationship between the portable terminal and the user, and may be constituted by various sensors. Reference numeral 112 denotes a determination unit that determines a terminal state based on the detected result. Reference numeral 113 denotes the determination unit 11
2, a light emission amount control unit for changing the light emission amount of the front light based on the control data sent from the control unit 2; 114, a corresponding data storage unit storing the state of the mobile terminal and corresponding control data; 115, a front light source It is.

Next, the operation of the display range adjusting device on the display unit of the portable terminal according to the present embodiment will be described with reference to FIG. For example, when the state of the portable terminal, such as the state of meeting with the user, changes, detection data indicating a state change is notified from the detection unit 111 to the determination unit 112. In addition, the detection data is a request from the determination unit 112,
It may be sent from an interrupt process of the detection means 111 itself such as a self-timer.

The determination means 112 determines the change in the state of the portable terminal by comparing the input detection data with the terminal state data in the corresponding data storage section 114. If it is determined that a state change has occurred, it is likely that the visibility of the display has been impaired for the user, and thus control data according to the state change is transmitted to the light emission amount control means 113. I do. The light emission amount control unit 113 adjusts the display range by changing the light emission amount of the front light according to the input control data.

In the present embodiment, the adjusting device for the display range on the display unit of the portable terminal is a device capable of adjusting the display range to an appropriate display range reflecting a change in the use state by repeating the above basic operation during use. Can be provided. In addition, by changing the display range, it is possible to make it difficult for anyone other than the user to see the display contents, and it is possible to prevent leakage of confidential information.

As an example, depending on the angle of external light (for example, a fluorescent lamp) with respect to the display device and the positional relationship of the user's eyes, a state in which the display content is difficult to see due to the reflected light from the external light may occur. At this time, by changing the light emission amount of the front light so as to cancel the reflected light, the influence of reflection from external light can be suppressed. According to the present embodiment, such an operation can be automatically controlled.

(Tenth Embodiment) First, with reference to FIG. 1 to FIG. 3 and FIG. 13, an adjusting device for adjusting a display range on a display unit of a portable terminal according to a tenth embodiment of the present invention will be described. explain. 1 to 3 have been described in the first or second embodiment, and a description thereof will be omitted. FIG. 13 is a block diagram illustrating a configuration of a display range adjustment device on a display unit of a mobile terminal according to the tenth embodiment of the present invention.

In FIG. 13, reference numeral 121 denotes detection means for detecting the use environment and use state of the portable terminal and the positional relationship between the portable terminal and the user, and may be constituted by various sensors and the like. Reference numeral 122 denotes a control block including a determination unit that determines a terminal state based on the detected result, and a corresponding data storage unit that stores the state of the mobile terminal and control data corresponding thereto. 123 is a control block 122
2 shows a light emission amount control unit that changes the light emission amount of the front light based on the control data sent from the control unit. 124
Is an external operating means for the user to give a display range adjustment instruction, and 125 is a front light source.

Next, with reference to FIG. 3 and FIG. 13, an operation procedure of the display range adjusting device on the display unit of the portable terminal according to the present embodiment will be described. In step 1001, when the state of the mobile terminal changes, detection data indicating a state change is notified from the detection unit 121 to the control block 122. The detection data is stored in the control block 122.
, Or an interrupt process such as a self-timer of the detection means 121 itself. It is assumed that control data corresponding to a state change of the mobile terminal is set in the corresponding data storage unit in advance.

The process proceeds from step 1001 to step 1002 to monitor the state of the portable terminal while comparing the detection data input to the control block 122 with the current terminal state. If the status change has not occurred in the mobile terminal, the process returns to step 1001 to continue monitoring the status of the mobile terminal.

When a state change occurs in the portable terminal,
Since it is possible that the user has lost the visibility of the display, the process proceeds to step 1003. In step 1003, the corresponding data is read based on the detected data, and in step 1004, control data associated with the corresponding data is sent to the light emission amount control unit 123. The light emission amount control unit 123 adjusts the display range by changing the light emission amount of the front light according to the input control data.

If the user determines in step 1005 that the display range and the visibility are appropriate, the adjustment operation is ended using the external operation means 124. In the present embodiment, the process returns to step 1001 to continue the monitoring operation. However, if the user determines in step 1005 that the display range and the visibility are inappropriate, the process proceeds to step 1006, and the adjustment operation is continued using the external operation means 124.

The process proceeds from step 1006 to step 1007, in which the past history of the user, that is, the past tendency in which the user instructed the adjustment is statistically processed, and control data in accordance with the tendency of the user is calculated. Proceed to. In step 1008, a user's change instruction and step 10
According to the control adjustment data calculated in step 07,
The corresponding data in the control block 122 is updated. When the control data is updated, the process proceeds to step 1003, and the display range is adjusted again.

The display range adjusting device in the display unit of the portable terminal according to the present embodiment repeats the above basic operation at the time of use, so that an appropriate display range reflecting a change in a use state or a user's preference is obtained. An adjustable adjustment device can be provided. In addition, by changing the display range, it is possible to make it difficult for anyone other than the user to see the display contents, and it is possible to prevent leakage of confidential information.

As an example, depending on the angle of external light (for example, a fluorescent lamp) with respect to the display device and the positional relationship of the user's eyes, a state in which the display content is difficult to see due to the reflected light from the external light may occur. At this time, by changing the light emission amount of the front light so as to cancel the reflected light, the influence of reflection from external light can be suppressed. According to the present embodiment, such an operation can be automatically controlled.

(Eleventh Embodiment) First, FIGS.
Referring to FIG. 14 and FIG. 14, an adjustment device for adjusting a display range on a display unit of a portable terminal according to an eleventh embodiment of the present invention will be described. 1 and 2 have been described in the first embodiment, and a description thereof will be omitted. FIG. 14 is a block diagram illustrating a configuration of a display range adjustment device on a display unit of a mobile terminal according to an eleventh embodiment of the present invention.

In FIG. 14, reference numeral 131 denotes detection means for detecting the use environment and use state of the portable terminal and the positional relationship between the portable terminal and the user, and may be constituted by various sensors. Reference numeral 132 denotes a determination unit that determines a terminal state based on the detected result. 133 is a light emission direction / light emission amount control means for changing the light emission direction and the light emission amount of the front light based on the control data sent from the determination means 132;
Reference numeral 134 denotes a corresponding data storage unit that stores the state of the portable terminal and corresponding control data, and 135 denotes a front light source.

Next, the operation of the display range adjusting device on the display unit of the portable terminal according to the present embodiment will be described with reference to FIG. For example, when the state of the mobile terminal, such as the state of meeting with the user, changes, detection data indicating a state change is notified from the detection unit 131 to the determination unit 132. Further, the detection data is a request from the determination unit 132,
It may be sent from an interrupt process of the detection means 131 itself such as a self-timer.

The determination means 132 determines a change in the state of the portable terminal by comparing the input detection data with the terminal state data in the corresponding data storage section 134. If it is determined that a state change has occurred, it is possible that the display visibility for the user may have been impaired, so the control data in accordance with the state change is transmitted by the light emission direction / light emission amount control means 133. Send to Light emission direction / light emission amount control means 13
3 adjusts the display range by changing the light emission direction and the light emission amount of the front light according to the input control data.

In the present embodiment, the adjusting device for the display range of the display unit of the portable terminal repeats the above basic operation at the time of use so that the adjusting device can be adjusted to an appropriate display range reflecting the change of the use state. Can be provided. In addition, by changing the display range, it is possible to make it difficult for anyone other than the user to see the display contents, and it is possible to prevent leakage of confidential information.

As an example, depending on the relationship between the angle of external light (for example, a fluorescent lamp) with respect to the display device and the position of the user's eyes, a state in which the display content is difficult to see due to the reflected light from the external light may occur. At this time, by changing the light emission direction and the light emission amount of the front light so as to cancel the reflected light, the influence of the reflection from the external light can be suppressed. According to the present embodiment, such an operation can be automatically controlled.

(Twelfth Embodiment) First, with reference to FIGS. 1 to 3 and FIG. 15, an adjusting device for adjusting a display range on a display unit of a portable terminal according to a twelfth embodiment of the present invention will be described. explain. 1 to 3 have been described in the first or second embodiment, and a description thereof will be omitted. FIG. 15 is a block diagram illustrating a configuration of a display range adjustment device on a display unit of a mobile terminal according to a twelfth embodiment of the present invention.

In FIG. 15, reference numeral 141 denotes detection means for detecting the use environment and use state of the portable terminal and the positional relationship between the portable terminal and the user, and may be constituted by various sensors. Reference numeral 142 denotes a control block including a determination unit that determines a terminal state based on the detected result, and a corresponding data storage unit that stores the state of the mobile terminal and corresponding control data. 143 is the control block 14
2 shows a light emission direction / light emission amount control unit that changes the light emission direction and the light emission amount of the front light based on the control data sent from the control unit 2. Reference numeral 144 denotes external operation means for allowing a user to give a display range adjustment instruction, and 145 denotes a front light source.

Next, with reference to FIG. 3 and FIG. 15, an operation procedure of the display range adjusting device on the display unit of the portable terminal according to the present embodiment will be described. In step 1001, when the state of the mobile terminal changes, detection data indicating the state change is notified from the detection unit 141 to the control block 142. The detection data is stored in the control block 142.
, Or an interrupt process such as a self-timer of the detection means 141 itself. It is assumed that control data corresponding to a state change of the mobile terminal is set in the corresponding data storage unit in advance.

The process proceeds from step 1001 to step 1002 to monitor the state of the portable terminal while comparing the detection data input to the control block 142 with the current terminal state. If the status change has not occurred in the mobile terminal, the process returns to step 1001 to continue monitoring the status of the mobile terminal.

When a state change occurs in the portable terminal,
Since it is possible that the user has lost the visibility of the display, the process proceeds to step 1003. In step 1003, the corresponding data is read out based on the detected data, and in step 1004, the control data associated with the corresponding data is sent to the light emission direction / light emission amount control means 143. The light emission direction / light emission amount control unit 143 adjusts the display range by changing the light emission direction and the light emission amount of the front light according to the input control data.

Next, in step 1005, when the user determines that the display range and the visibility are appropriate, the adjustment operation is ended using the external operation means 144. In the present embodiment, the process returns to step 1001 to continue the monitoring operation of the mobile terminal. However, step 1005
If the user determines that the display range and the visibility are inappropriate, the process proceeds to step 1006, and the adjustment operation is continued using the external operation means 144.

Next, in step 1007, the tendency of the history in which adjustment has been instructed by the user in the past is statistically processed, control data in accordance with the tendency of the user is calculated, and the flow advances to step 1008. In step 1008, the corresponding data in the control block 142 is updated according to the user's change instruction and the control adjustment data calculated in step 1007. When the control data is updated, the process proceeds to step 1003, and the display range is adjusted again.

The display range adjusting device in the display unit of the portable terminal according to the present embodiment repeats the above basic operation at the time of use, so that the display range can be changed to an appropriate display range reflecting the user's preference and the user's preference. An adjustable adjustment device can be provided. In addition, by changing the display range, it is possible to make it difficult for anyone other than the user to see the display contents, and it is possible to prevent leakage of confidential information.

As an example, depending on the relationship between the angle of external light (for example, a fluorescent lamp) with respect to the display device and the position of the user's eyes, a state in which the display content is difficult to see due to the reflected light from the external light may occur. At this time, by changing the light emission direction and the light emission amount of the front light so as to cancel the reflected light, the influence of the reflection from the external light can be suppressed. According to the present embodiment, such an operation can be automatically controlled.

(Thirteenth Embodiment) First, FIGS. 1 and 2
Referring to FIG. 16 and FIG. 16, an adjustment device for adjusting a display range on a display unit of a mobile terminal according to a thirteenth embodiment of the present invention will be described. 1 and 2 have been described in the first embodiment, and a description thereof will be omitted. FIG. 16 is a block diagram illustrating a configuration of a display range adjustment device on a display unit of a mobile terminal according to a thirteenth embodiment of the present invention.

In FIG. 16, reference numeral 151 denotes detection means for detecting the use environment and use state of the portable terminal and the positional relationship between the portable terminal and the user, and may be constituted by various sensors and the like. Reference numeral 152 denotes a determination unit that determines a terminal state based on the detected result. Reference numeral 153 denotes a light emission direction control unit that changes the light emission direction of the backlight based on the control data sent from the determination unit 152. Also, 154
Is a corresponding data storage unit which stores the state of the mobile terminal and control data corresponding thereto, and 155 is a backlight light source.

Next, with reference to FIG. 16, the operation of the display range adjusting device on the display unit of the portable terminal according to the present embodiment will be described. For example, when the state of the portable terminal, such as the state of meeting with the user, changes, the detection unit 151 notifies the determination unit 152 of detection data indicating the state change. Further, the detection data may be transmitted from a request from the determination unit 152 or an interrupt process of the detection unit 151 itself such as a self-timer.

The determination means 152 determines a change in the state of the portable terminal by comparing the input detection data with the terminal state data in the corresponding data storage section 154. If it is determined that a change in the state of the mobile terminal has occurred, it may be that the visibility of the display has been impaired for the user. It is sent to the means 153. Light emitting direction control means 1
The control unit 53 adjusts the display range by changing the light emission direction of the backlight according to the input control data.

In the present embodiment, the adjusting device for the display range on the display unit of the portable terminal repeats the above basic operation at the time of use, so that the adjusting device can be adjusted to the appropriate display range reflecting the change of the use state. Can be provided. In addition, by changing the display range, it is possible to make it difficult for anyone other than the user to see the display contents, and it is possible to prevent leakage of confidential information.

As an example, depending on the angle of external light (for example, a fluorescent lamp) with respect to the display device and the positional relationship of the user's eyes, a state occurs in which the display content is difficult to see due to the reflected light from the external light. At that time, by changing the light emission direction of the backlight so as to cancel the reflected light, the influence of reflection from external light can be suppressed. According to the present embodiment, such an operation can be automatically controlled.

(Fourteenth Embodiment) First, an adjusting device for adjusting a display range on a display unit of a portable terminal according to a fourteenth embodiment of the present invention will be described with reference to FIGS. 1 to 3 and FIG. explain. 1 to 3 have been described in the first or second embodiment, and a description thereof will be omitted. FIG. 17 is a block diagram illustrating a configuration of a display range adjustment device on a display unit of a mobile terminal according to a fourteenth embodiment of the present invention.

In FIG. 17, reference numeral 161 denotes detecting means for detecting the use environment and use state of the portable terminal and the positional relationship between the portable terminal and the user, and may be constituted by various sensors. A control block 162 includes a determination unit that determines the terminal state based on the detected result, and a corresponding data storage unit that stores the state of the mobile terminal and corresponding control data. 163 is a control block 16
2 shows a light emission direction control unit that changes the light emission direction of the backlight based on the control data sent from the control unit 2. 1
Reference numeral 64 denotes external operation means for allowing a user to give a display range adjustment instruction, and 165 denotes a backlight light source.

Next, an operation procedure of the display range adjusting device on the display unit of the portable terminal according to the present embodiment will be described with reference to FIGS. In step 1001, when the state of the portable terminal changes, detection data indicating a state change is notified from the detection unit 161 to the control block 162. The detection data is stored in the control block 162.
, Or an interrupt process such as a self-timer of the detection means 161 itself. It is assumed that control data corresponding to a state change of the mobile terminal is set in the corresponding data storage unit in advance.

The process proceeds from step 1001 to step 1002 to monitor the state of the portable terminal while comparing the detection data input to the control block 162 with the current terminal state. If the status of the mobile terminal has not changed, the process returns to step 1001 to continue monitoring the status of the mobile terminal.

When the state of the portable terminal changes,
Since it is possible that the user has lost the visibility of the display, the process proceeds to step 1003. In step 1003, the corresponding data is read out based on the detected data, and in step 1004, the control data associated with the corresponding data is sent to the light emission direction control means 163. The light emission direction control unit 163 adjusts the display range by changing the light emission direction of the backlight according to the input control data.

Next, in step 1005, when the user determines that the display range and the visibility are appropriate, the adjustment operation is ended using the external operation means 164. In the present embodiment, the process returns to step 1001 to continue the monitoring operation of the mobile terminal. However, step 1005
When the user determines that the display range and the visibility are inappropriate, the process proceeds to step 1006, and the adjustment operation is continued using the external operation means 164.

The process proceeds from step 1006 to step 1007, where the history of the tendency for the user to instruct the adjustment in the past is statistically processed, control data in accordance with the tendency of the user is calculated, and the process proceeds to step 1008. In step 1008, the corresponding data in the control block 162 is updated according to the user's change instruction and the control adjustment data calculated in step 1007. When the control data is updated,
The process proceeds to step 1003, where the display range is adjusted again.

The display range adjusting device in the display unit of the portable terminal according to the present embodiment repeats the above-described basic operation during use, so that the display range can be changed to an appropriate display range reflecting the user's preference and the user's preference. An adjustable adjustment device can be provided. In addition, by changing the display range, it is possible to make it difficult for anyone other than the user to see the display contents, and it is possible to prevent leakage of confidential information.

As an example, depending on the angle of external light (for example, a fluorescent lamp) with respect to the display device and the positional relationship of the user's eyes, a state may occur in which the display content is difficult to see due to the reflected light from the external light. At that time, by changing the light emission direction of the backlight so as to cancel the reflected light, the influence of reflection from external light can be suppressed. According to the present embodiment, such an operation can be automatically controlled.

(Fifteenth Embodiment) First, FIGS. 1 and 2
Referring to FIG. 18 and FIG. 18, an adjusting device for adjusting the display range on the display unit of the mobile terminal according to the fifteenth embodiment of the present invention will be described. 1 and 2 have been described in the first embodiment, and a description thereof will be omitted. FIG. 18 is a block diagram illustrating a configuration of a display range adjustment device in a display unit of a mobile terminal according to a fifteenth embodiment of the present invention.

In FIG. 18, reference numeral 171 denotes detection means for detecting the use environment and use state of the portable terminal and the positional relationship between the portable terminal and the user, and may be constituted by various sensors. Reference numeral 172 denotes a determination unit that determines the terminal state based on the detected result. 173 is a light emission amount control unit that changes the light emission amount of the backlight based on the control data sent from the determination unit 172, 174 is a corresponding data storage unit that stores the state of the mobile terminal and control data corresponding thereto, 175 is a backlight light source.

Next, the operation of the display range adjusting device on the display unit of the portable terminal according to the present embodiment will be described with reference to FIG. For example, when the state of the portable terminal, such as the state of meeting with the user, changes, the detection unit 171 notifies the determination unit 172 of detection data indicating the state change. Further, the detection data is a request from the determination unit 172,
It may be transmitted starting from the interrupt processing of the detection means 171 itself such as its own timer.

The determination means 172 determines a change in the state of the portable terminal by comparing the input detection data with the terminal state data in the corresponding data storage section 174. If it is determined that a state change has occurred, it is likely that the visibility of the display has been impaired for the user, so control data in accordance with the state change is transmitted to the light emission amount control means 173. . The light emission amount control unit 173 adjusts the display range by changing the light emission amount of the backlight according to the input control data.

In the present embodiment, the adjusting device for the display range on the display unit of the portable terminal repeats the above-mentioned basic operation at the time of use, so that the adjusting device can be adjusted to the appropriate display range reflecting the change of the use state. Can be provided. In addition, by changing the display range, it is possible to make it difficult for anyone other than the user to see the display contents, and it is possible to prevent leakage of confidential information.

As an example, depending on the angle of external light (for example, a fluorescent lamp) with respect to the display device and the positional relationship of the user's eyes, a state in which the display content is difficult to see due to the reflected light from the external light may occur. At this time, by changing the amount of light emitted from the backlight so as to cancel the reflected light, the influence of reflection from external light can be suppressed. According to the present embodiment, such an operation can be automatically controlled.

(Sixteenth Embodiment) First, with reference to FIGS. 1 to 3 and FIG. 19, an adjusting device for adjusting a display range on a display unit of a portable terminal according to a sixteenth embodiment of the present invention will be described. explain. 1 to 3 have been described in the first or second embodiment, and a description thereof will be omitted. FIG. 19 is a block diagram illustrating a configuration of a display range adjustment device on a display unit of a mobile terminal according to a sixteenth embodiment of the present invention.

In FIG. 19, reference numeral 181 denotes detection means for detecting the use environment and use state of the portable terminal and the positional relationship between the portable terminal and the user, and may be constituted by various sensors. A control block 182 includes a determination unit that determines the terminal state based on the detected result, and a corresponding data storage unit that stores the state of the mobile terminal and control data corresponding thereto. Reference numeral 183 denotes a light emission amount control unit that changes the light emission amount of the backlight based on the control data sent from the control block 182. 1
Reference numeral 84 denotes external operation means for allowing a user to give a display range adjustment instruction, and 185 denotes a backlight light source.

Next, with reference to FIG. 3 and FIG. 19, an operation procedure of the display range adjusting device on the display unit of the portable terminal according to the present embodiment will be described. In step 1001, when the state of the portable terminal changes, detection data indicating the change in the state of the portable terminal is notified from the detecting unit 181 to the control block 182. Further, the detection data may be transmitted from a request from the control block 182 or an interrupt process such as a self-timer of the detection unit 181 itself. It is assumed that control data corresponding to the state change of the mobile terminal is set in the corresponding data storage unit in the control block 182 in advance.

The process proceeds from step 1001 to step 1002 to monitor the state of the portable terminal while comparing the detection data input to the control block 182 with the current terminal state. If the status of the mobile terminal has not changed, the process returns to step 1001 to continue monitoring the status of the mobile terminal.

When a state change of the portable terminal occurs,
Since it is possible that the user has lost the visibility of the display, the process proceeds to step 1003. In step 1003, the corresponding data is read based on the detected data, and in step 1004, the control data associated with the corresponding data is transmitted to the light emission amount control unit 183. The light emission amount control unit 183 adjusts the display range by changing the light emission amount of the backlight according to the input control data.

In step 1005, if the user determines that the display range and the visibility are appropriate, the adjustment operation is ended using the external operation means 184. In the present embodiment, the process returns to step 1001 to continue the monitoring operation of the mobile terminal. However, if the user determines in step 1005 that the display range and the visibility are inappropriate, the process proceeds to step 1006, and the external operating means 1
Using 84, the adjustment operation is continued.

Further, from step 1006 to step 1
The process proceeds to step 007, where the history of the tendency for which the user has instructed adjustment in the past is statistically processed, control data in accordance with the tendency of the user is calculated, and the process proceeds to step 1008. In step 1008, the control block 1 is controlled according to the user's change instruction and the control adjustment data calculated in step 1007.
The corresponding data in 82 is updated. When the control data is updated, the process proceeds to step 1003, and the display range is adjusted again.

The apparatus for adjusting the display range on the display unit of the portable terminal according to the present embodiment repeats the above-described basic operation during use so that the display range can be changed to an appropriate display range reflecting the user's preference. An adjustable adjustment device can be provided. In addition, by changing the display range, it is possible to make it difficult for anyone other than the user to see the display contents, and it is possible to prevent leakage of confidential information.

As an example, depending on the angle of external light (for example, a fluorescent lamp) with respect to the display device and the positional relationship of the user's eyes, a state in which the display content is difficult to see due to the reflected light from the external light may occur. At this time, by changing the amount of light emitted from the backlight so as to cancel the reflected light, the influence of reflection from external light can be suppressed. According to the present embodiment, such an operation can be automatically controlled.

(Seventeenth Embodiment) First, FIGS. 1 and 2
Referring to FIG. 20 and FIG. 20, an adjusting device for adjusting the display range on the display unit of the mobile terminal according to the seventeenth embodiment of the present invention will be described. 1 and 2 have been described in the first embodiment, and a description thereof will be omitted. FIG. 20 is a block diagram illustrating a configuration of a display range adjustment device on a display unit of a mobile terminal according to a seventeenth embodiment of the present invention.

In FIG. 20, reference numeral 191 denotes detecting means for detecting the use environment and use state of the portable terminal and the positional relationship between the portable terminal and the user, and may be constituted by various sensors. Reference numeral 192 denotes a determination unit that determines a terminal state based on the detected result. 193 is a light emission direction / light emission amount control means for changing the light emission direction and the light emission amount of the backlight based on the control data sent from the determination means 192;
Reference numeral 94 denotes a corresponding data storage unit that stores the state of the mobile terminal and corresponding control data, and 195 denotes a backlight light source.

Next, the operation of the display range adjusting device on the display unit of the portable terminal according to the present embodiment will be described with reference to FIG. For example, when the state of the mobile terminal, such as the state of facing the user, changes, the detection unit 191 notifies the determination unit 192 of detection data indicating a change in the state of the mobile terminal. The detection data may be transmitted from a request from the determination unit 192 or an interrupt process of the detection unit 191 itself such as a timer.

Next, the judging means 192 judges a change in the state of the portable terminal by comparing the input detection data with the terminal state data in the corresponding data storage section 194. If it is determined that a state change has occurred in the portable terminal, it is possible that the user may have lost the visibility of the display.
It is sent to the light emission amount control means 193. The light emission direction / light emission amount control unit 193 adjusts the display range by changing the light emission direction and the light emission amount of the backlight according to the input control data.

In the present embodiment, the adjusting device for the display range on the display unit of the portable terminal is a device capable of adjusting the display range to an appropriate display range reflecting a change in the use state by repeating the above basic operation during use. Can be provided. In addition, by changing the display range, it is possible to make it difficult for anyone other than the user to see the display contents, and it is possible to prevent leakage of confidential information.

As an example, depending on the angle of external light (for example, a fluorescent lamp) with respect to the display device and the positional relationship of the user's eyes, a state in which the display content is difficult to see due to the reflected light from the external light may occur. At that time, by changing the light emission direction and the light emission amount of the backlight to cancel the reflected light,
The effect of reflection from outside light can be suppressed. According to the present embodiment, such an operation can be automatically controlled.

(Eighteenth Embodiment) First, referring to FIGS. 1 to 3 and FIG. 21, an adjusting device for adjusting a display range on a display section of a portable terminal according to an eighteenth embodiment of the present invention will be described. explain. 1 to 3 have been described in the first or second embodiment, and a description thereof will be omitted. FIG. 21 is a block diagram illustrating a configuration of a display range adjustment device on a display unit of a mobile terminal according to an eighteenth embodiment of the present invention.

In FIG. 21, reference numeral 201 denotes detection means for detecting the use environment and use state of the portable terminal and the positional relationship between the portable terminal and the user, and may be constituted by various sensors and the like. Reference numeral 202 denotes a control block including a determination unit that determines the terminal state based on the detected result, and a corresponding data storage unit that stores the state of the mobile terminal and control data corresponding to the state. 203 is the control block 20
2 shows a light emission direction / light emission amount control unit that changes the light emission direction and the light emission amount of the backlight based on the control data sent from the control unit 2. Reference numeral 204 denotes an external operation unit for the user to give a display range adjustment instruction, and reference numeral 205 denotes a backlight light source.

Next, an operation procedure of the display range adjusting device on the display unit of the portable terminal according to the present embodiment will be described with reference to FIGS. In step 1001, when the state of the portable terminal changes, the detecting unit 201
, The detection data indicating the state change is notified to the control block 202. The detected data is stored in the control block 20.
The request may be sent from a request from the server 2 or an interrupt process such as a self-timer of the detection means 201 itself. It is assumed that control data corresponding to the state change of the mobile terminal is set in the corresponding data storage unit of the control block 202 in advance.

The process proceeds from step 1001 to step 1002 to monitor the state of the portable terminal while comparing the detection data input to the control block 202 with the current terminal state. If the status change has not occurred in the mobile terminal, the process returns to step 1001 to continue monitoring the status of the mobile terminal.

When a state change occurs in the portable terminal,
Since it is possible that the user has lost the visibility of the display, the process proceeds to step 1003. In step 1003, the corresponding data is read based on the detected data, and in step 1004, the control data associated with the corresponding data is stored in the light emission direction / light emission amount
3 is sent. Light emission direction / light emission amount control means 203
Executes the adjustment of the display range by changing the light emission direction and the light emission amount of the backlight according to the input control data.

Next, in step 1005, if the user determines that the display range and the visibility are appropriate, the adjustment operation is ended using the external operation means 204. In the present embodiment, the process returns to step 1001 to continue the monitoring operation of the mobile terminal. However, step 1005
When the user determines that the display range and the visibility are inappropriate, the process proceeds to step 1006, and the adjustment operation is continued using the external operation means 204.

Further, from step 1006 to step 1
The process proceeds to step 007, where the history of the tendency for which the user has instructed adjustment in the past is statistically processed, control data in accordance with the tendency of the user is calculated, and the process proceeds to step 1008. In step 1008, the corresponding data in the control block 202 is updated according to the user's change instruction and the control adjustment data calculated in step 1007. When the control data is updated, the process proceeds to step 1003, and the display range is adjusted again.

The apparatus for adjusting the display range on the display unit of the portable terminal according to the present embodiment repeats the above basic operation at the time of use so that the display range can be changed to an appropriate display range reflecting the user's preference. An adjustable adjustment device can be provided. In addition, by changing the display range, it is possible to make it difficult for anyone other than the user to see the display contents, and it is possible to prevent leakage of confidential information.

As an example, depending on the angle of external light (for example, a fluorescent lamp) with respect to the display device and the positional relationship of the user's eyes, a state in which the display content is difficult to see due to the reflected light from the external light may occur. At that time, by changing the light emission direction and the light emission amount of the backlight to cancel the reflected light,
The effect of reflection from outside light can be suppressed. According to the present embodiment, such an operation can be automatically controlled.

(Nineteenth Embodiment) First, FIGS.
Referring to FIG. 22 and FIG. 22, an adjusting device for adjusting the display range on the display unit of the mobile terminal according to the nineteenth embodiment of the present invention will be described. 1 and 2 have been described in the first embodiment, and a description thereof will be omitted. FIG. 22 is a block diagram illustrating a configuration of a display range adjustment device on a display unit of a mobile terminal according to a nineteenth embodiment of the present invention.

In FIG. 22, reference numeral 211 denotes detecting means for detecting the use environment and use state of the portable terminal and the positional relationship with the user, and may be constituted by various sensors and the like. Reference numeral 212 denotes a determination unit that determines a terminal state based on the detected result. 213 is a display content re-creation control unit for re-creating display content based on the control data sent from the determination unit 212, and 214 is a corresponding data storage unit that stores the state of the mobile terminal and the corresponding control data. is there. Further, reference numeral 215 denotes a display control means for controlling the interface with the display, and 216 denotes a display data buffer storing display contents.

Next, the operation of the display range adjusting device on the display unit of the portable terminal according to the present embodiment will be described with reference to FIG. For example, when the state of the portable terminal, such as the state of meeting with the user, has changed, detection data indicating a state change is reported from the detection unit 211 to the determination unit 212. Further, the detection data is a request from the determination unit 212,
It may be sent from an interrupt process of the detection means 211 itself such as a self-timer.

The determination means 212 determines a change in the state of the portable terminal by comparing the input detection data with the terminal state data in the corresponding data storage section 214. If it is determined that a change in the state of the mobile terminal has occurred, it may be that the visibility of the display has been impaired for the user. It is sent to the display content re-creation control means 213.
The display content re-creation control unit 213 adjusts the display range by re-creating the display content according to the input control data.

Next, the display content re-creation control means 213
The display data stored in the display data buffer 216 is processed to change the display content (for example, the shape of an image) according to the instruction of the control data, and is processed by the display unit control means 215. Send out.

The display control means 215 executes display control without being conscious of the presence or absence of processing. Therefore, when it is determined that the state of the portable terminal is the initial setting state, the display data in the display data buffer 216 is sent to the display control unit 215 without processing.

In the present embodiment, the adjusting device for the display range on the display unit of the portable terminal repeats the above basic operation at the time of use, so that the adjusting device can be adjusted to the appropriate display range reflecting the change of the use state. Can be provided. For example, as one example, by automatically changing the shape of an image or a character in accordance with a change in the state of the mobile terminal, the recognition rate of display content that is difficult to see can be increased.

Also, by changing the display range,
It is possible to make it difficult for anyone other than the user to see the displayed contents, and it is possible to prevent confidential leakage and the like. Furthermore, a display device that cannot be adjusted requires a wide viewing angle range. However, according to the present invention, it is only necessary to have a viewing angle characteristic in a narrow range, and it is possible to reduce the driving current of the display device as a whole. Can be.

(Twentieth Embodiment) First, referring to FIGS. 1 to 3 and FIG. 23, an adjusting device for adjusting a display range on a display section of a portable terminal according to a twentieth embodiment of the present invention will be described. explain. 1 to 3 have been described in the first or second embodiment, and a description thereof will be omitted. FIG. 23 is a block diagram illustrating a configuration of a display range adjustment device on a display unit of a mobile terminal according to a twentieth embodiment of the present invention.

In FIG. 23, reference numeral 221 denotes detection means for detecting the use environment and use state of the portable terminal and the positional relationship between the portable terminal and the user, and may be constituted by various sensors. Reference numeral 222 denotes a control block including a determination unit that determines a terminal state based on the detected result, and a corresponding data storage unit that stores the state of the mobile terminal and corresponding control data. Reference numeral 223 denotes a display content re-creation control unit for changing the display content based on the control data sent from the determination unit 222, and reference numeral 224 denotes an external operation unit for the user to give a display range adjustment instruction. Also, 2
25 is a display control means for controlling the interface with the display, and 226 is a display data buffer storing display contents.

Next, an operation procedure of the display range adjusting device on the display unit of the portable terminal according to the present embodiment will be described with reference to FIGS. In step 1001, when the state of the mobile terminal changes, the detecting means 221
, The detection data indicating the state change is notified to the control block 222. The detected data is stored in the control block 22.
The request may be sent from a request from the second device or an interrupt process such as a self-timer of the detection means 221 itself. It is assumed that control data corresponding to the state change of the mobile terminal is set in advance in the corresponding data storage unit of the control block 222.

The process proceeds from step 1001 to step 1002 to monitor the state of the portable terminal while comparing the detection data input to the control block 222 with the current terminal state. If the status change has not occurred in the mobile terminal, the process returns to step 1001 to continue monitoring the status of the mobile terminal.

When a state change occurs in the portable terminal,
Since it is possible that the user has lost the visibility of the display, the process proceeds to step 1003. In step 1003, the corresponding data is read out based on the detected data, and in step 1004, the control data associated with the corresponding data is sent to the display content re-creation control means 223. The display content re-creation control unit 223 adjusts the display range by re-creating the display content according to the input control data.

Next, in step 1005, when the user determines that the display range and the visibility are appropriate, the adjustment operation is ended using the external operation means 224. At that time, in the present embodiment, the process returns to step 1001 to continue the monitoring operation of the mobile terminal.

However, if the user determines in step 1005 that the display range and the visibility are inappropriate, the process proceeds to step 1006 and the external operation means 22
4 to continue the adjustment operation. At the time of the adjustment operation, the display content re-creation control unit 223 controls the display data buffer 2
The display data originally stored in the storage unit 26 is subjected to processing such as changing the display content according to the instruction of the control data, and is sent to the display unit control unit 225.

The display control means 225 executes display control without being conscious of the presence or absence of processing. Therefore, when it is determined that the state of the portable terminal is the initial setting state, the display data in the display data buffer 226 is sent to the display control means 225 without processing.

Next, steps 1006 to 10
In step 07, the history of the tendency for the user to instruct adjustment in the past is statistically processed, control data in accordance with the tendency of the user is calculated, and the flow proceeds to step 1008. In step 1008, the control block 22 is controlled according to the user's change instruction and the control data calculated in step 1007.
The corresponding data in 2 is updated. When the control data is updated, the process proceeds to step 1003, and the display range is adjusted again.

The device for adjusting the display range on the display unit of the portable terminal according to the present embodiment repeats the above basic operation at the time of use, so that a change in the use state and an appropriate display range reflecting the user's preference can be obtained. An adjustable adjustment device can be provided. For example, as one example, by automatically changing the state of a mobile terminal and changing the shape of an image or a character according to a user's preference, the recognition rate of display content that is difficult to see can be increased. Can be enhanced.

Also, by changing the display range,
It is possible to make it difficult for anyone other than the user to see the displayed contents, and it is possible to prevent confidential leakage and the like. Furthermore, a display device that cannot be adjusted requires a wide viewing angle range. However, according to the present invention, it is only necessary to have a viewing angle characteristic in a narrow range, and it is possible to reduce the driving current of the display device as a whole. Can be.

[0194]

The present invention is constructed as described above. In particular, in a positional relationship between a user and a display surface, not only distance data but also a sensor for detecting an angular direction is provided, and a display of a display device is provided. By allowing the range to be freely moved in any appropriate direction, the user can adjust the display device of the portable terminal to a desired display direction without being affected by the viewing angle or the viewing characteristics. .

The present invention is configured as described above, and in particular, displays the display color,
By changing the gradation level or both of them, the display range of the mobile terminal is automatically changed by changing the display contents such as characters and images in accordance with the change of the usage state of the mobile terminal so that the display contents can be easily viewed. Can be adjusted.

The present invention is configured as described above. In particular, the display color, the gradation level, or both are changed by changing the determination result of the use state of the portable terminal according to the user's arbitrary setting. This allows the user to reflect the preferences of the user due to changes in the usage state of the mobile terminal, and to change the display contents such as characters and images so that the display contents such as characters and images can be easily viewed according to the differences in the preferences of each user. The display range of the terminal can be automatically adjusted.

The present invention is configured as described above, and in particular, by adjusting the light emitting direction of the front light source based on the result of detection of the use environment and the state of the portable terminal, it is possible to prevent a change in the use state of the portable terminal. In addition, it is possible to take measures such as preventing reflection from an external light source, and the display range of the portable terminal can be automatically adjusted.

The present invention is configured as described above. In particular, the determination result of the use state of the portable terminal is changed in accordance with the user's arbitrary setting, and the past history of the corresponding data is statistically processed. The judgment result is updated based on the result, and the light emitting direction of the front light source is adjusted based on the result, thereby reflecting the user's preference due to the change in the use state of the mobile terminal, and the preference for each user. According to the difference
It is possible to take measures such as preventing reflection from an external light source, and to automatically adjust the display range of the portable terminal.

The present invention is configured as described above, and in particular, by adjusting the light emission amount of the front light source based on the result of detection of the use environment and state of the portable terminal,
It is possible to automatically adjust the display range of the mobile terminal according to changes in the usage state of the mobile terminal, such as preventing the visibility of the display contents from deteriorating due to the influence of external incident light. can do.

The present invention is configured as described above, and particularly, changes the determination result of the use state of the portable terminal in accordance with an arbitrary setting of the user, and adjusts the light emission amount of the front light source according to the result. To reflect the preferences of the user due to changes in the usage state of the mobile terminal, and to visually recognize the display content generated due to the influence of the incident light from the outside in accordance with the preference of each user. It is possible to take measures such as prevention of deterioration of performance, and it is possible to automatically adjust the display range of the portable terminal.

The present invention is configured as described above, and particularly, by adjusting the light emission direction and the light emission amount of the front light source based on the result of detection of the use environment and condition of the portable terminal, the use condition of the portable terminal is improved. In response to changes in the image quality, it is possible to take measures such as preventing reflection from an external light source, and preventing deterioration in the visibility of display content caused by the influence of external incident light. Current can be reduced by using a light source.
The display range of the mobile terminal can be automatically adjusted.

The present invention is configured as described above. In particular, the determination result of the use state of the portable terminal is changed according to the user's arbitrary setting, and the light emission direction and the light emission amount of the front light source are changed based on the result. By adjusting it, it is possible to reflect the user's preference due to changes in the usage state of the portable terminal, to prevent reflection from an external light source, etc. according to the preference of each user, Since it is possible to take measures such as preventing the visibility of the displayed contents from being degraded due to the influence of the incident light from the outside, it is possible to reduce the current consumption when using the light source by realizing highly accurate control. The display range of the mobile terminal can be automatically adjusted.

The present invention is configured as described above, and particularly, by adjusting the light emitting direction of the backlight light source based on the result of detecting the use environment and the state of the portable terminal,
In accordance with a change in the usage state of the portable terminal, measures such as preventing reflection from an external light source can be taken, and the display range of the portable terminal can be automatically adjusted.

The present invention is configured as described above. In particular, the determination result of the use state of the portable terminal is changed in accordance with the user's arbitrary setting, and the past history of the corresponding data is statistically processed. The judgment result is updated based on the result, and the light emission direction of the backlight light source is adjusted based on the result, so that the user's preference accompanying the change in the use state of the mobile terminal is reflected or the preference for each user is reflected. According to the difference, it is possible to take measures such as preventing reflection from an external light source, and the display range of the portable terminal can be automatically adjusted.

The present invention is constructed as described above. In particular, the light emitting direction and the light emitting amount of the backlight light source are adjusted based on the result of detecting the use environment and the state of the portable terminal. In response to changes in the display, it is possible to take measures such as preventing reflection from an external light source, and preventing deterioration in the visibility of display contents caused by the influence of incident light from the outside. By realizing high-precision control, current consumption when using a light source can be reduced,
The display range of the mobile terminal can be automatically adjusted.

The present invention is configured as described above. In particular, the judgment result of the use state of the portable terminal is changed according to the user's arbitrary setting, and the past history of the corresponding data is statistically processed. The judgment result is updated based on the result, and the light emitting direction and the light emitting amount of the backlight light source are adjusted based on the result, so that the user's preference accompanying the change in the use state of the mobile terminal is reflected or the user is reflected. According to the difference of each taste, measures such as preventing reflection from an external light source,
Since it is possible to take measures such as preventing the visibility of the displayed contents from being deteriorated due to the influence of the incident light from the outside, it is possible to realize high-precision control, thereby reducing the current consumption when using the light source, and The display range of the terminal can be automatically adjusted.

The present invention is configured as described above, and particularly, by recreating the display contents on the display unit based on the detection result of the use environment and the state of the portable terminal, the change in the use state of the portable terminal is achieved. By changing the shape, size, and the like of characters, images, and the like, the characters and images can be changed so that they are easy to see, and the display range of the mobile terminal can be automatically adjusted.

The present invention is configured as described above. In particular, the determination result of the use state of the portable terminal is changed in accordance with an arbitrary setting of the user, and the past history of the corresponding data is statistically processed. The judgment result is updated based on the result, and the display content of the display unit is re-created based on the result, thereby reflecting the user's preference due to a change in the use state of the mobile terminal, and the preference for each user. It is possible to change the shape, size, etc. of characters, images, etc. to make them easier to see according to the difference, and the display range of the mobile terminal can be automatically adjusted.

[Brief description of the drawings]

FIG. 1 is a perspective view of a display device showing a state in which a display unit applied to an embodiment of the present invention can be freely moved in an arbitrary direction;

FIG. 2 is a perspective view of a display device showing a state in which a viewing angle range of a display unit applied to an embodiment of the present invention can be freely moved to an arbitrary area;

FIG. 3 is a flowchart showing an operation procedure of the adjustment device of the display unit of the mobile terminal according to the second embodiment of the present invention;

FIG. 4 is a block diagram showing a configuration of a display range adjustment device on a display unit of the mobile terminal according to the first embodiment of the present invention;

FIG. 5 is a block diagram illustrating a configuration of a display range adjustment device on a display unit of a mobile terminal according to a second embodiment of the present invention;

FIG. 6 is a block diagram illustrating a configuration of a display range adjustment device in a display unit of a mobile terminal according to a third embodiment of the present invention;

FIG. 7 is a block diagram illustrating a configuration of a display range adjustment device on a display unit of a mobile terminal according to a fourth embodiment of the present invention;

FIG. 8 is a block diagram illustrating a configuration of a display range adjustment device on a display unit of a mobile terminal according to a fifth embodiment of the present invention;

FIG. 9 is a block diagram illustrating a configuration of a display range adjustment device on a display unit of a mobile terminal according to a sixth embodiment of the present invention;

FIG. 10 is a block diagram illustrating a configuration of a display range adjustment device on a display unit of a mobile terminal according to a seventh embodiment of the present invention;

FIG. 11 is a block diagram showing a configuration of a display range adjustment device on a display unit of a portable terminal according to an eighth embodiment of the present invention;

FIG. 12 is a block diagram illustrating a configuration of a display range adjustment device in a display unit of a mobile terminal according to a ninth embodiment of the present invention;

FIG. 13 is a block diagram showing a configuration of a display range adjustment device on a display unit of a mobile terminal according to a tenth embodiment of the present invention;

FIG. 14 is a block diagram showing a configuration of a display range adjustment device on a display unit of a mobile terminal according to an eleventh embodiment of the present invention;

FIG. 15 is a block diagram illustrating a configuration of a display range adjustment device on a display unit of a mobile terminal according to a twelfth embodiment of the present invention.

FIG. 16 is a block diagram illustrating a configuration of a display range adjustment device in a display unit of a mobile terminal according to a thirteenth embodiment of the present invention;

FIG. 17 is a block diagram showing a configuration of a display range adjustment device on a display unit of a mobile terminal according to a fourteenth embodiment of the present invention;

FIG. 18 is a block diagram showing a configuration of a display range adjustment device on a display unit of a portable terminal according to a fifteenth embodiment of the present invention;

FIG. 19 is a block diagram showing a configuration of a display range adjustment device on a display unit of a portable terminal according to a sixteenth embodiment of the present invention;

FIG. 20 is a block diagram illustrating a configuration of a display range adjustment device in a display unit of a mobile terminal according to a seventeenth embodiment of the present invention;

FIG. 21 is a block diagram showing a configuration of a display range adjustment device on a display unit of a mobile terminal according to an eighteenth embodiment of the present invention;

FIG. 22 is a block diagram showing a configuration of a display range adjustment device on a display unit of a portable terminal according to a nineteenth embodiment of the present invention;

FIG. 23 is a block diagram illustrating a configuration of a display range adjustment device on a display unit of a mobile terminal according to a twentieth embodiment of the present invention.

[Explanation of symbols]

1, 11 housing 2, 12 display surface 3-6 movable direction 13 3 o'clock direction 14 12 o'clock direction 15 9 o'clock direction 16 6 o'clock direction 17 normal direction 18-21 viewing angle range 31, 41, 51, 61, 71, 81, 91, 101
Detecting means 111, 131, 141, 151, 161, 171 detecting means 181, 191, 201, 211, 221 detecting means 32, 52, 72, 92, 112, 132, 152 determining means 172, 192, 212 determining means 34, 54, 74, 94, 114, 134, 154 corresponding data storage units 174, 194, 214 corresponding data storage units 42, 62, 82, 102, 122, 142, 162
Control blocks 182, 202, 222
Control blocks 44, 64, 84, 104, 124, 144, 164
External operation means 184, 164, 204, 224
External operation means 95, 105, 125, 135, 135, 145 Front light source 133, 143, 193, 203 Light emission direction / light emission amount control means 155, 165, 175, 185, 195, 205 Backlight light source 33, 43 Viewing angle Control means 53, 63 Tone level / display color control means 55, 65 Display unit control means 56, 66 Display data buffer 73, 83 Contrast control means 93, 103 Light emission direction control means 113, 123 Light emission amount control means 153, 163 Light emission Direction control means 173, 183 Light emission amount control means

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) G09G 3/36 G09G 3/36 H04Q 7/38 H04B 7/26 109T (72) Inventor Yoshinori Sato Yokohama, Kanagawa Matsushita Communication Industry Co., Ltd. (72) Inventor Takuyuki Ishii 4-3-1 Tsunashima Higashi, Kohoku-ku, Yokohama, Kanagawa Prefecture

Claims (21)

[Claims] 1. A portable terminal having a display unit having a viewing angle characteristic, means for detecting a use environment and a state of the portable terminal, and a use state of the portable terminal based on a detection result from the detection means. A display range adjusting device, comprising: a determination unit; and a control unit that changes a display color, a gradation level, or both based on a determination result of the determination unit. 2. A portable terminal having a display unit having a viewing angle characteristic, means for detecting a use state of the portable terminal, and means for judging a use state of the portable terminal based on a detection result from the detection means. Means for storing and storing corresponding data for determining the use state of the portable terminal in accordance with the determination result of the determining means; and arbitrarily changing the stored and stored corresponding data to allow the user to make arbitrary settings. Means for changing the judgment result in accordance with the above, means for statistically processing the past history of the corresponding data, and means for updating the judgment result based on the result of the statistical processing; display color, gradation level or both from the judgment result A display range adjusting device, comprising: a control unit for changing the display range. 3. A portable terminal provided with a display unit having a viewing angle characteristic, wherein at least one kind of detecting means is used to determine a use environment of the portable terminal or a physical positional relationship between a user and the portable terminal. And adjusting the display color, the gradation level or both based on the result. 4. A portable terminal provided with a reflective display unit, means for detecting a use environment and a state of the portable terminal, and means for judging a use state of the portable terminal based on a detection result from the detection means. And a control unit for adjusting a light emitting direction of the front light source based on the determination result. 5. A portable terminal provided with a reflective display unit, means for detecting a use state of the portable terminal, means for determining a use state of the portable terminal based on a detection result from the detection means, Means for storing and storing the corresponding data for determining the use state of the mobile terminal in accordance with the result of determination, and arbitrarily changing the stored and stored corresponding data, and determining the result of determination in accordance with an arbitrary setting of the user. Means for changing, statistical processing of the past history of the corresponding data, means for updating the determination result based on the result of the statistical processing, a front light source for the display unit whose emission direction is variable, and from the determination result A display means for adjusting a light emitting direction of the front light source. 6. A portable terminal having a reflective display unit, wherein at least one kind of detection means is used to monitor the use environment of the portable terminal or the physical positional relationship between a user and the portable terminal. A method for adjusting a display range, comprising the steps of estimating and changing a light emitting direction of a front light source based on the result. 7. A portable terminal having a reflective display unit, means for detecting the use environment and state of the portable terminal, and means for judging the use state of the portable terminal based on the detection result from the detection means. And a control unit for adjusting a light emission amount of the front light source from the determination result based on the determination result. 8. A portable terminal provided with a reflective display unit, means for detecting a use state of the portable terminal, means for determining a use state of the portable terminal based on a detection result from the detection means, Means for storing and storing the corresponding data for determining the use state of the mobile terminal in accordance with the result of the determination, and arbitrarily changing the stored and stored corresponding data, and determining the determined result in accordance with an arbitrary setting of the user. Means for statistically processing the past history of the corresponding data, and means for updating the determination result based on the result of the statistical processing; a front light source for the display unit having a variable light emission amount; and the determination result. And a control means for adjusting the amount of light emitted from the front light source. 9. A portable terminal having a reflective display unit, wherein at least one kind of detection means is used to monitor the use environment of the portable terminal or the physical positional relationship between the user and the portable terminal. A method for adjusting a display range, comprising the steps of estimating and changing the light emission amount of a front light source based on the result. 10. A portable terminal having a reflective display unit, means for detecting a use environment and a state of the portable terminal, and means for judging a use state of the portable terminal based on a detection result from the detection means. And a control unit that adjusts a light emitting direction and a light emitting amount of the front light source based on the determination result. Adjustment device. 11. A portable terminal having a reflective display unit, means for detecting a use state of the portable terminal, means for determining a use state of the portable terminal based on a detection result from the detection means, Means for storing and storing the corresponding data for determining the use state of the mobile terminal in accordance with the result of determination, and arbitrarily changing the stored and stored corresponding data, and determining the result of determination in accordance with an arbitrary setting of the user. Means for changing, statistical processing of the past history of the corresponding data, means for updating the determination result based on the result of the statistical processing, a front light source for the display unit, the light emitting direction and the light emitting amount are variable, A control device for adjusting a light emitting direction and a light emitting amount of the front light source based on a determination result. 12. A portable terminal having a reflective display unit, wherein at least one or more types of detecting means are used to monitor the use environment of the portable terminal or the physical positional relationship between a user and the portable terminal. A method for adjusting a display range, comprising the steps of estimating and changing a light emitting direction and a light emitting amount of a front light source based on the result. 13. A portable terminal having a transmissive or semi-transmissive display unit, means for detecting a use environment and a state of the portable terminal, and a use state of the portable terminal based on a detection result from the detection means. And a control unit for adjusting a light emitting direction of the backlight light source from the determination result based on the determination result. . 14. A portable terminal having a transmissive or semi-transmissive display unit, means for detecting the use state of the portable terminal, and judging the use state of the portable terminal based on the detection result from the detection means. Means for storing the corresponding data for determining the use state of the portable terminal in accordance with the determination result, and arbitrarily changing the stored corresponding data to match any setting of the user. Means for changing the determination result, statistical processing of the past history of the corresponding data, means for updating the determination result based on the result of the statistical processing, a backlight light source for the display unit whose light emitting direction is variable, Control means for adjusting a light emitting direction of the backlight light source based on the determination result. 15. A portable terminal having a transmissive or semi-transmissive display unit, wherein at least one kind of detection means is used and the use environment of the portable terminal or the physical positional relationship between the user and the portable terminal. Monitoring or estimating, and changing the light emitting direction of the backlight light source based on the result of the monitoring or estimating. 16. A portable terminal having a transmissive or semi-transmissive display unit, means for detecting a use environment and a state of the portable terminal, and a use state of the portable terminal based on a detection result from the detection means. And a control unit that adjusts a light emitting direction and a light emitting amount of the backlight light source based on the determination result. Display range adjustment device. 17. A portable terminal having a transmissive or semi-transmissive display unit, means for detecting the use state of the portable terminal, and judging the use state of the portable terminal based on the detection result from the detection means. Means for storing the corresponding data for determining the use state of the portable terminal in accordance with the determination result, and arbitrarily changing the stored corresponding data to match any setting of the user. Means for changing the determination result, statistically processing the past history of the corresponding data, and updating the determination result based on the result of the statistical processing; and a backlight for the display unit in which the light emission direction and the light emission amount are variable. A display range adjusting device, comprising: a light source; and control means for adjusting a light emitting direction and a light emitting amount of the backlight light source based on the determination result. 18. A portable terminal having a transmissive or semi-transmissive display unit, wherein at least one kind of detecting means is used to determine a use environment of the portable terminal or a physical position between a user and the portable terminal. Monitor or guess the relationship,
A method for adjusting a display range, comprising the steps of changing a light emission direction and a light emission amount of a backlight light source based on the result. 19. A portable terminal having a display unit having a viewing angle characteristic, means for detecting a use environment and a state of the portable terminal, and judging a use state of the portable terminal based on a detection result from the detection means. And a control unit for re-creating display contents (including characters, images, characters, lines, and the like) of the display unit from the determination result. 20. A portable terminal provided with a display having viewing angle characteristics, means for detecting the use state of the portable terminal, and means for judging the use state of the portable terminal based on the detection result from the detection means. Means for storing and storing correspondence data for judging the use state of the portable terminal in accordance with the result of judgment, and arbitrarily changing the stored correspondence data to make a judgment in accordance with a user's arbitrary setting. Means for changing the result, means for statistically processing the past history of the corresponding data, and means for updating the determination result based on the result of the statistical processing, and display contents (characters, images, characters, Control means for re-creating the display range (including lines and the like). 21. A portable terminal provided with a display unit having a viewing angle characteristic, wherein at least one kind of detecting means is used to determine a use environment of the portable terminal or a physical positional relationship between a user and the portable terminal. Monitoring or estimating, and re-creating display contents (including characters, images, characters, lines, etc.) based on the results.