JP2002185585A - Portable terminal device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To correlate the display content of the exposed display screen of a portable telephone with the display content of the other display screen that is exposed when a lid is opened. SOLUTION: When a message is received, a display content informing that the message is received is displayed on a first display screen 3, a second display screen 4 is exposed when a flip 2 is opened, and the content of the message is displayed on the second display screen 4. Therefore, a user is capable of knowing that the message is received even in a state of keeping the flip 2 closed. The user is capable of seeing the content of the message by opening the flip 2 when it is convenient for the user.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a portable terminal device such as a portable telephone.

[0002]

2. Description of the Related Art For example, in a portable telephone disclosed in Japanese Patent Application Laid-Open No. 9-247250, a liquid crystal display which is disposed on the front side of a main body and is always exposed, and a liquid crystal display which is disposed on the front side of a main body and a lid is closed. A liquid crystal display covered by a lid, and a liquid crystal display arranged on the back side of the lid, and the operation state of operation keys and the like is displayed on one liquid crystal display that is always exposed, and the lid is opened. Various other information such as messages and images are displayed on the other two liquid crystal displays that are sometimes exposed.

[0003]

However, in the above-mentioned conventional portable telephone, the information displayed on one liquid crystal display which is always exposed and the other two displays which are exposed when the lid is opened are provided. The displayed information is not related, and the only way to know what kind of the latter information is was to open the lid. Therefore, every time information is received, it is necessary to open the lid and confirm the information.

In view of the above, the present invention has been made in view of the above-mentioned conventional problems, and shows the display contents of an exposed display screen and the display contents of another display screen exposed when the lid is opened. And to provide a portable terminal device having a relationship with the portable terminal device.

[0005]

In order to solve the above-mentioned problems, a portable terminal device according to the present invention comprises an openable / closable lid, opening detection means for detecting that the lid is opened, Regardless of opening and closing, the first display screen is exposed, the second display screen is hidden when the lid is closed, and is exposed when the lid is opened, and the first information is displayed on the first display screen. And a display control means for displaying second information related to the first information on the second display screen in response to an output of the opening detection means.

According to the present invention having such a configuration, the first information is displayed on the first display screen, and when the opening detection means detects that the lid is opened, the first information is displayed on the second display screen. Second information related to the information is displayed. Therefore, if the first information on the first display screen is viewed, the second information can be obtained without opening the lid.
The second information on the display screen can be estimated, and the information can be efficiently confirmed and used. Further, only when the second display screen is viewed, the lid is opened and the display on the second display screen is performed, so that power consumption is reduced.

Further, in the present invention, when the incoming message is received, the display control means displays first information for notifying the reception of the incoming message on the first display screen, and responds to the output of the opening detection means. Then, the incoming message is displayed on the second display screen as the second information.

The first information for notifying the reception of the incoming message includes, for example, the sender and subject of the message. If such first information is displayed on the first display screen,
It is possible to easily estimate that the second information on the second display screen is an incoming message, and it is possible to efficiently confirm and use the incoming message.

Further, in the present invention, when the information searched by the Web is received, the display control means displays the first information for notifying the reception of the searched information on the first display screen, and displays the first information. In response to the output of the detection means, the retrieved information is displayed on the second display screen as second information.

[0010] The first information for notifying the reception of the information searched by the Web includes an information index, an outline, and the like. Based on such first information, it can be easily estimated that the second information on the second display screen has been searched by the Web.

Further, in the present invention, when the advertisement is received, the display control means displays first information for notifying the reception of the advertisement on the first display screen, and responds to the output of the opening detection means. , The advertisement is displayed on the second display screen as the second information.

The first information for notifying the reception of the advertisement includes, for example, the name of the advertiser. Based on such first information, it can be easily estimated that the second information on the second display screen is an advertisement.

Further, in the present invention, when music is received, the display control means displays first information for notifying the reception of the music on the first display screen, and responds to the output of the opening detection means. , Information about music as second information
Displayed on the display screen.

The first information for notifying the reception of music includes a song title, a singer, and the like. Based on such first information, it can be easily estimated that the second information on the second display screen relates to music.

Further, in the present invention, the portable terminal device further comprises a position detecting means for receiving a signal from a communication satellite to detect the position of the portable terminal device, and the display control means comprises a portable terminal which is detected by the position detecting means. The position of the terminal device is displayed as first information on the first display screen, and in response to the output of the opening detection means, guidance information around the portable terminal device is displayed as second information on the second display screen.

As described above, when the position of the portable terminal device is displayed as the first information on the first display screen, it is understood that the guidance information around the portable terminal device is displayed on the second display screen. The surrounding guidance information includes a map, a route to a destination, and the like.

Further, in the present invention, irrespective of the opening / closing of the lid, there is further provided an exposed operation input means, and the display control means responds to the operation input from the operation input means,
The display content of the first display screen is changed.

Here, by operating the operation input means which is always exposed, it is possible to change the display contents of the first display screen which is always exposed.

In the present invention, the first display screen may be composed of a plurality of display screens, or the second display screen may be composed of a plurality of display screens.

[0020]

Embodiments of the present invention will be described below in detail with reference to the accompanying drawings.

FIG. 1 is a block diagram showing an embodiment of the portable terminal device of the present invention. 2 and 3 are plan views showing the appearance of the portable terminal device 10 of the present embodiment. FIG. 2 shows a state in which a lid (hereinafter, referred to as a flip) of the portable terminal device 10 is closed, and FIG. 3 shows a state in which the flip of the portable terminal device 10 is opened.

The portable terminal device 10 according to the present embodiment functions as a so-called portable telephone, and performs transmission and reception of messages, access to a Web server, reception of advertisements, reception of music, and the like, and further as a navigation system. Can play the role of.

As shown in FIGS. 2 and 3, the portable terminal device 10 includes a main body 1, an openable / closable flip 2, a first display screen 3, a second display screen 4, and a dial key 5.
, A speaker 6, a microphone 7, an operation control button 8,
An antenna 9 is provided.

Normally, the portable terminal device 10 is carried with the flip 2 closed as shown in FIG. At this time, the second display screen 4 and the dial key 5 are covered and protected by the flip 2. However, the first display screen 3 and the operation control buttons 8 are exposed, so that the display contents of the first display screen 3 can be viewed and the operation control buttons 8 can be operated.

During a call, the flip 2 is opened as shown in FIG. In this state, a call is made with the speaker 6 placed on the ear and the microphone 7 received in the mouth. Alternatively, the user looks at the display content of the second display screen 4 or operates the dial key 5.

On the other hand, as shown in FIG. 1, the portable terminal device 10 has a central processing unit (CPU) 11 for controlling the device in a comprehensive manner and realizing various functions, and a BIOS (Basic).
A ROM (Read Only Memory) 12 storing a control program such as an Input Output System) and a RAM (Random Ac) storing updateable data such as telephone numbers and messages.
process memory 13, a voice input / output control unit 14 for inputting a voice signal from the microphone 7 or outputting a voice signal to the speaker 6, and transmitting and receiving a radio signal through the antenna 9 to and from the base station 15. A communication control unit 17 that communicates various information; a display control unit 18 that drives and displays the first and second display screens 3 and 4; and an operation control unit that detects inputs by operating the dial keys 5 and the operation control buttons 8 19, a position detection unit 20 for detecting the position of the mobile terminal device 10,
An opening detection unit 21 for detecting that the flip 2 has been opened.

The position detector 20 is a GPS (Global Posit
An ionizing system is used to receive a radio wave from a geostationary satellite and detect the position where the radio wave is received, that is, the position (latitude and longitude) of the portable terminal device 10.

As shown in FIGS. 3 and 4, the opening detecting section 21 includes a convex portion 21a protruding from the flip 2 side and a switch 21b provided in the small hole 1a of the main body casing 1. ing. When the flip 2 is closed, as shown in FIG. 5, the convex portion 21a of the flip 2 pushes down the movable element of the switch 21b on the main body housing 1, and the switch 21b is turned on. Also,
When the flip 2 is opened, the protrusion 21a of the flip 2 is separated from the movable element of the switch 21b on the main body housing 1 side as shown in FIG. 4, and the switch 21b is turned off. The opening detection unit 21 detects opening and closing of the flip 2 based on the on / off state of the switch 21.

Now, the portable terminal device 10 having such a configuration performs the processing of the flowchart shown in FIG. 6 when receiving a message. Here, SMS (Short Mess
ageService), a push-type process for actively transmitting a message from the server to the mobile terminal device 10, and a pull-type process for obtaining a message from the server in response to access from the mobile terminal device 10 to the server. Will be described.

First, in the case of the push type, a message is given to the server and stored therein (step S
6-5). The server calls the portable terminal device 10 waiting for an incoming call via the base station 15 and sends a message to the base station 1.
5 to the mobile terminal device 10 (step S5).
6-6). The mobile terminal device 10 receives the message and inputs it to the communication control unit 17 (step S6-7), and temporarily stores the message in the RAM 13. At this time, C
The PU 11 may display “there is an incoming call” as shown in FIG. 7 on the first display screen 3 through the display control unit 18.

FIG. 8 shows the structure of the received message. This message 7-3 is composed of a header area 7-2 and a body area 7-3. Header area 7-2
Contains the sender's e-mail address, subject, date, etc., and the body area 7-3 contains the text of the message.

The CPU 11 of the portable terminal device 10 has a RAM
13 is analyzed (step S6-
9) Write the respective storage positions of the header area 7-2 and the body area 7-3 into the RAM 13 (step S6-1).
0).

Further, the CPU 11 stores setting information for setting display contents for notifying the arrival of the message, for example, as R
The information is read from the AM 13 (step S6-11), necessary information is acquired and shaped according to the setting information, and the display contents for notifying the arrival of the message are set (step S6-12).

For example, according to the setting information, the header area 7
The sender's e-mail address and subject are extracted from -2, the sender's name is obtained from the sender's e-mail address, and the sender's name and subject are set as display contents for notifying the arrival of a message. The name of the sender is stored in the address information database 9 shown in FIG.
-2. The address information database 9-2 is set in advance by the user of the mobile terminal device 10, and the e-mail addresses of a plurality of senders are associated with the names of the respective senders. The sender's mail address is extracted from the header area 7-2, and the name corresponding to this mail address is obtained as the sender's name.

After setting the display contents for notifying the arrival of the message, the CPU 11 displays the display contents on the first display screen 3 as shown in FIG. 10 (step S6-1).
3).

In the case of the pull type, the portable terminal device 10
When the user operates the operation control button 8 to request message processing, the CPU 11 displays the menu shown in FIG. 11 on the first display screen 3 (step S6-).
1). Subsequently, when the user operates the operation control button 8 and designates “message reception” in the menu on the first display screen 3 (step S6-2), in response to this, the CPU 11 sends the message from the communication control unit 17 The server is called through the base station 15 and a message transmission is requested of the server (step S6-3).

In response to the message transmission request, the server uses, for example, the telephone number of the portable terminal device 10,
The user of the mobile terminal device 10 is authenticated, and thereafter, a message addressed to the user is searched (step S6-5). If the message is stored, the message is transmitted to the mobile terminal device 10 through the base station 15. It transmits (step S6-6).

The processing from step S6-7 to step S6-13 is the same as the push type.

When the flip 2 is opened in a state where the message is received and the display contents for notifying the arrival of the message are displayed on the first display screen 3 (step S6-14), the opening of the flip 2 is started. Opening detection unit 21
(Step S6-15). With the opening of the flip 2, the second display screen 4 is exposed. CP
U11 reads the contents of the body area 7-3 of the message 7-3 from the RAM 13 in response to the detection output of the opening detection unit 21, and controls the display of the contents of the body area 7-3 as shown in FIG. It is displayed on the second display screen 4 through the unit 18 (step S6-16).

As described above, in the portable terminal device 10 according to the present embodiment, when a message is received, the display content notifying the reception of the message is displayed on the first display screen 3, the flip 2 is opened, and the second display screen 4 is opened. Is displayed on the second display screen 4 when is exposed. Therefore, even when the flip 2 is closed, the reception of the message can be known, and when the user's convenience is satisfied, the flip 2 can be opened and the contents of the message can be viewed. Also, only when viewing the second display screen 4, the flip 2 is opened and the display on the second display screen 4 is performed, so that power consumption is reduced.

By the way, as described above, the portable terminal device 10 of this embodiment not only transmits and receives messages, but also
It can access a Web server, receive advertisements, receive music, and the like, and can also serve as a navigation system.

For example, when accessing a Web server (hereinafter referred to as a news server) and browsing information (for example, news) of the news server, the user operates the operation control button 8 of the portable terminal device 10 to display a menu. Is required. In response to this, the CPU 11
Is displayed on the first display screen 3 as shown in FIG. Subsequently, the operation control button 8 is operated, and the first display screen 3 is displayed.
When "news" is designated in the menu of
Displays the next menu as shown in FIG. 14 on the first display screen 3. Further, when the operation control button 8 is operated and “XX newspaper” in the menu on the first display screen 3 is designated, C
The PU 11 calls the news server from the communication control unit 17 through the base station 15 and requests the news server to transmit “XX newspaper”.

In response to the transmission request of “XX newspaper”, the news server searches for information of “XX newspaper”, and transmits the information of “XX newspaper” to the portable terminal device 10 through the base station 15. Send.

The portable terminal device 10 receives the information of “XX newspaper” and stores it in the RAM 13. The CPU 11
The information of “XX newspaper” is divided into, for example, an index area and a text area, and the storage position of each area is written in the RAM 13. Thereafter, the CPU 11 displays the contents of the index area as shown in FIG. Then, when the operation control button 8 is operated and “XX is erupting” is designated from the contents of the first display screen 3, the CPU 11
Selects the content of "Mt. XX erupts" in the body area in the RAM 13. Further, when the flip 2 is opened and the second display screen 4 is exposed, the CPU 11
In response to the detection output, the content of "XX mountain eruption" in the text area is read from the RAM 13, and the content of "XX mountain eruption" is displayed on the second display screen 4 as shown in FIG. I do.

In some cases, an advertisement is transmitted from a server (hereinafter referred to as an advertisement server) in a push manner. In this case, the advertisement server calls the portable terminal device 10 waiting for an incoming call via the base station 15 and transmits the advertisement information to the base station 1.
5 to the portable terminal device 10.

The portable terminal device 10 receives the advertisement information and stores it in the RAM 13. The CPU 11 divides the information of the advertisement into, for example, an index area (for example, a company name) and a text area (contents of the advertisement), and writes the storage position of each area in the RAM 13. Thereafter, the CPU 11 proceeds to FIG.
Is displayed on the first display screen 3 as shown in FIG. The content of the index area is not limited to the company name, but may be a simple message, and this message may be displayed as a telop on the first display screen 3.

Thereafter, when the operation control button 8 is operated and "XX electricity" is designated from the contents of the first display screen 3,
The CPU 11 reads “XX electricity” in the text area in the RAM 13.
Select the content of the ad. Further, when the flip 2 is opened and the second display screen 4 is exposed, the CPU 11
In response to the detection output of the opening detection unit 21, the content of the advertisement of "XX electricity" is read from the RAM 13, and the content of the advertisement is displayed on the second display screen 4, as shown in FIG.

Further, when music is received, the operation control button 8 of the portable terminal device 10 is operated, for example, a code indicating a desired music is input, and transmission of this music is requested. In response, the CPU 11 calls a server (hereinafter referred to as a music server) from the communication control unit 17 through the base station 15, transmits a code of a desired music to the music server, and requests the music server to transmit the music. .

In response to the song code and the song transmission request, the music server first authenticates the user of the portable terminal device 10 using the telephone number of the portable terminal device 10, and thereafter,
Based on the code of the song, audio data indicating the song is searched, and display information of the song title, lyrics, singer, lyricist, composer, and the like is searched, and the audio data and the display information are transmitted through the base station 15. The data is transmitted to the mobile terminal device 10.

When the portable terminal device 10 receives the voice data and the display information, the portable terminal device 10 generates the voice indicated by the voice data from the speaker 6 and also transmits the display information to the RAM 1.
3 is stored. Then, the CPU 11 analyzes the display information, distinguishes, for example, a song title and a singer from other contents (music-related information), and writes the song title, the singer's storage position, and the music-related information storage position into the RAM 13. After this, the CPU
Numeral 11 displays a song name and a singer on the first display screen 3 as shown in FIG. Further, when the flip 2 is opened and the second display screen 4 is exposed, the CPU 11 reads out the music-related information from the RAM 13 in response to the detection output of the opening detection unit 21, and as shown in FIG. The information is displayed on the second display screen 4.

Further, when the portable terminal device 10 is used as a navigation system, the operation control button 8 of the portable terminal device 10 is operated, for example, a place name of a destination is input, and the activation of the navigation system is instructed. In response to this, the CPU 11 activates the position detection unit 20 and causes the position detection unit 20 to detect the position of the mobile terminal device 10. Then, the CPU 11 calls a server (hereinafter, referred to as a route search server) from the communication control unit 17 through the base station 15, transmits the place name of the destination and the position of the portable terminal device 10 to the route search server, and transmits the route to the destination. Is requested to the route search server.

The CPU 11 displays the position (longitude and latitude) of the portable terminal device 10 on the first display screen 3 as shown in FIG. It should be noted that a database in which a number of place names are associated with their respective latitudes and longitudes is stored in the portable terminal device 10, and place names corresponding to the longitude and latitude of the portable terminal device 10 are searched from the database, and the place names are retrieved. It may be displayed on the first display screen 3.

The route search server uses a well-known navigation system in response to a request for transmission of the place name of the destination, the position of the portable terminal device 10 and the route to the destination, and uses the well-known navigation system to determine the position of the portable terminal device 10. The route information to the destination is searched, and the route information is transmitted to the mobile terminal device 10 through the base station 15. The information of the route includes, for example, the route to reach the destination (the position to turn right and left) and the position of the mobile terminal device 10 in which the device 1 is entered
It is a map around 0.

The portable terminal device 10 receives the route information and stores it in the RAM 13. The CPU 11 reads, from the RAM 13, a route for reaching the destination in the route information, and displays the route on the first display screen 3. For example, "turn right at the next traffic light" or "turn left at 1 km"
Thus, the distance to the next position to be changed, the direction, and the like are displayed.

When the flip 2 is opened and the second display screen 4 is exposed, the CPU 11 responds to the detection output of the opening detection unit 21 to display the map around the portable terminal device 10 in the RA.
The map is read out from M13, and a map of the surrounding area is displayed on the second display screen 4 as shown in FIG. In this map, the position of the mobile terminal device 10 is marked with “◎”.

Further, when the user of the portable terminal device 10 is moving, the position of the portable terminal device 10 is periodically updated, the portable terminal device 10 accesses the route search server, and the route information is updated. Is updated. Accordingly, the display content of the first display screen 3 and the map of the second display screen 4 are also updated.

Further, the scale of the map is designated by operating the operation control button 8 of the portable terminal device 10, and the route information indicating the map of the designated scale is transmitted from the route search server to the portable terminal device 10. Then, this map may be displayed on the second display screen 4.

The present invention is not limited to the above embodiment, but can be variously modified. For example, regardless of whether the flip 2 is opened or closed, the first display screen that is always exposed is divided into a plurality of display screens, or the second display screen 4 that is covered and covered by the flip 2 when the flip 2 is closed. The display screen may be divided into a plurality of display screens.

[0059]

As described above, according to the present invention, the first
The first information is displayed on the display screen, and when the opening detection means detects that the lid has been opened, the first information is displayed on the second display screen.
Second information related to the information is displayed. Therefore, if you look at the first information on the first display screen, even if you do not open the lid,
The second information on the second display screen can be estimated, and the information can be confirmed and utilized efficiently. Further, only when necessary, the lid is opened and the display on the second display screen is performed, so that power consumption is reduced.

Further, according to the present invention, when an incoming message is received, first information for notifying the reception of the incoming message is displayed on the first display screen, and the first information is displayed in response to the output of the opening detection means. The message is displayed on the second display screen as the second information. For this reason, the first display screen
From the information, it is possible to easily estimate that the second information on the second display screen is an incoming message, and it is possible to efficiently confirm and use the incoming message.

Further, according to the present invention, when the information searched by the Web is received, the first information for notifying the reception of the searched information is displayed on the first display screen, and the output of the opening detection means is output. , The retrieved information is displayed on the second display screen as second information. Therefore, the second information on the second display screen is changed from the first information on the first display screen to We.
It is possible to easily estimate that the search is performed by b.

According to the present invention, when the advertisement is received, the first information for notifying the reception of the advertisement is displayed on the first display screen, and the advertisement is displayed in response to the output of the opening detection means. Two pieces of information are displayed on the second display screen. Therefore, the second information on the second display screen is obtained from the first information on the first display screen.
It can be easily estimated that the information is an advertisement.

Further, according to the present invention, when music is received, first information for notifying the reception of the music is displayed on the first display screen, and information about the music is displayed in response to the output of the opening detection means. Is displayed on the second display screen as the second information. For this reason, it can be easily estimated from the first information on the first display screen that the second information on the second display screen relates to music.

Further, according to the present invention, the position of the portable terminal device is displayed on the first display screen as the first information, and the guidance information around the portable terminal device is displayed in response to the output of the opening detection means. The information is displayed on the second display screen. For this reason, it can be seen from the first information on the first display screen that guidance information around the portable terminal device is displayed on the second display screen.

Further, according to the present invention, by operating the operation input means which is always exposed, the display contents of the first display screen which is always exposed can be changed.

[Brief description of the drawings]

FIG. 1 is a block diagram showing one embodiment of a portable terminal device of the present invention.

FIG. 2 is a plan view showing an appearance of the portable terminal device with a lid closed.

FIG. 3 is a plan view showing an appearance of the portable terminal device with a cover opened.

FIG. 4 is a view schematically showing an opening detection unit in a state where a lid is opened.

FIG. 5 is a view schematically showing an opening detection unit in a state where a lid is closed.

FIG. 6 is a flowchart illustrating processing of the mobile terminal device.

FIG. 7 is a diagram showing contents displayed on a first display screen of the mobile terminal device when a message is received.

FIG. 8 is a diagram showing a structure of a received message.

FIG. 9 is a diagram showing an address information database of the portable terminal device.

FIG. 10 shows a first example of the portable terminal device when receiving a message.
It is a figure showing other contents displayed on a display screen.

FIG. 11 is a diagram showing a menu related to processing of a message displayed on a first display screen of the mobile terminal device.

FIG. 12 shows a second example of the portable terminal device when receiving a message.
It is a figure showing the contents displayed on a display screen.

FIG. 13 is a diagram showing a menu for browsing information displayed on a first display screen of the mobile terminal device.

FIG. 14 is a diagram showing a next menu related to browsing information displayed on a first display screen of the mobile terminal device.

FIG. 15 is a diagram showing contents displayed on a first display screen of the mobile terminal device when browsing information is received.

FIG. 16 is a diagram showing contents displayed on a second display screen of the portable terminal device when receiving browsing information.

FIG. 17 is a diagram showing contents displayed on the first display screen of the mobile terminal device when receiving an advertisement.

FIG. 18 is a diagram showing contents displayed on a second display screen of the mobile terminal device when receiving an advertisement.

FIG. 19 is a diagram showing contents displayed on a first display screen of the portable terminal device when receiving music.

FIG. 20 is a diagram showing contents displayed on a second display screen of the mobile terminal device when music is received.

FIG. 21 is a diagram showing contents displayed on a first display screen of the portable terminal device at the time of receiving a route.

FIG. 22 is a diagram showing contents displayed on a second display screen of the portable terminal device at the time of receiving a route.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Main body housing 2 Flip 3 1st display screen 4 2nd display screen 5 Dial key 6 Speaker 7 Microphone 8 Operation control button 9 Antenna 10 Portable terminal device 11 Central processing unit (CPU) 12 ROM 13 RAM 14 Voice input / output control part 15 base station 17 communication control unit 18 display control unit 19 operation control unit 20 position detection unit 21 opening detection unit

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) H04M 1/725 H04B 7/26 109T

Claims (7)

[Claims] A cover that can be opened and closed, opening detection means for detecting that the cover has been opened, a first display screen that is exposed regardless of whether the cover is opened or closed, and a cover that is closed. A second display screen which is sometimes hidden and is exposed when the lid is opened; displaying the first information on the first display screen, and responding to the output of the opening detection means, displaying the first information on the second display screen. And a display control means for displaying second information related to the mobile terminal. 2. The display control means, when receiving an incoming message, displays first information for notifying the reception of the incoming message on a first display screen, and responds to an output of the opening detection means to receive the incoming message. 2. The portable terminal device according to claim 1, wherein the information is displayed on a second display screen as second information. 3. When the information searched by the Web is received, the display control means displays first information for notifying the reception of the searched information on a first display screen, and outputs the first information to the output of the opening detection means. The portable terminal device according to claim 1, wherein the retrieved information is displayed on the second display screen as second information in response. 4. When the advertisement is received, the display control means displays first information for notifying the reception of the advertisement on the first display screen, and responds to the output of the opening detection means to display the advertisement on the second display screen. The mobile terminal device according to claim 1, wherein the mobile terminal device displays information as information on a second display screen. 5. When the music is received, the display control means displays first information for notifying the reception of the music on the first display screen, and responds to the output of the opening detection means to display the information on the music. The mobile terminal device according to claim 1, wherein the mobile terminal device displays the second information on a second display screen. 6. A portable terminal device further comprising: a position detecting means for receiving a signal from a communication satellite to detect a position of the portable terminal device; 2. The display device according to claim 1, wherein the first information is displayed on the first display screen, and guidance information around the portable terminal device is displayed as second information on the second display screen in response to an output of the opening detection means. A mobile terminal device according to claim 1. 7. An operation input unit that is exposed regardless of whether the lid is opened or closed, wherein the display control unit changes display contents of the first display screen in response to an operation input from the operation input unit. The mobile terminal device according to claim 1, wherein: