JP5169741B2 - Mobile phone, key illumination method and key illumination program - Google Patents

Description

  The present invention relates to a mobile phone, and more particularly to key illumination for controlling light emission of an operation key with a specific display pattern.

  Mobile phones that can send and receive e-mail (hereinafter simply referred to as e-mail) are now well established in our lives. When a mobile phone receives an e-mail, it is common for the ringer to ring differently or display the main display (for example, display the face photo of the sender) depending on the sender of the e-mail. You can know if you received an email from.

  In mobile phones, not only the main display, but also sub-displays that can be confirmed even when the openable / closable casing is closed, and operation keys used for entering phone numbers and characters are displayed in specific colors and patterns. A configuration in which various kinds of information are transmitted to the user by illumination that shines is generally seen.

  For example, there are the following documents as related techniques. Patent Document 1 describes a mobile phone capable of causing operation keys to shine in two or more colors according to operations. Patent Document 2 describes a mobile phone having a backlight divided into a plurality of areas, such as a display and an operation key. Patent Document 3 discloses a mobile phone in which key backlights using three colors of LEDs are arranged for each of the operation keys, and each key can be illuminated with a different emission color to display a specific pattern of illumination. Have been described.

  On the other hand, Patent Document 4 describes a communication device that analyzes the content of a received mail using a keyword and displays an icon corresponding to the emotion represented by the mail. Patent Document 5 describes a mobile phone in which a backlight disposed on each operation key is turned on according to state information to be transmitted.

  FIG. 7 is a flowchart showing the operation of the mobile phone obtained by combining Patent Documents 3, 4, and 5. When the mobile phone receives the new mail and saves the contents (step S501), the text data of the received new mail is compared with the emotion keyword to determine what kind of emotion the text data represents. Analysis is performed (step S502).

  Based on the setting pattern stored in advance in the mobile phone, each key is illuminated with an illumination pattern corresponding to the emotion represented by the new mail obtained by the analysis in step S502 (step S503). . Then, the new mail is displayed on the main display (step S504).

  In this way, by combining the techniques of Patent Documents 3, 4, and 5, the emotion represented by the received mail is detected, and the operation key is illuminated with a specific pattern illumination according to the emotion, thereby It is possible to convey the emotion expressed to the user.

JP 2001-217904 A JP 2002-101195 A JP 2005-134998 A JP 2007-148939 A Special table 2006-520125 gazette

  In a general mobile phone, the user can know the reception of mail by ringing a ringtone. Further, the user can know who the mail is from, according to the type of the ringtone and the type of display on the main display. However, the ring tone and display type are generally determined only by the sender address of the mail. Therefore, the user cannot know the contents of the mail until the mail is displayed on the main display.

  On the other hand, Patent Document 4 describes a mobile phone that analyzes the content of a received mail, detects an emotion represented by the mail, and displays on the main display according to the emotion. Patent Document 3 describes a mobile phone that displays a specific pattern of illumination by causing each of the operation keys to shine with different emission colors. Further, Patent Document 5 describes a mobile phone that turns on an operation key in accordance with state information to be transmitted to a user.

  Therefore, a user who knows the reception of a mail by ringing a ring tone in the mobile phone according to the combination of the above-mentioned Patent Documents 3 to 5 can know the feelings represented by the mail by observing the lighting of the operation key. Become.

  However, many mobile phones are openable, and in order to perform an operation for displaying mail on the main display, it is necessary to first open the casing of the mobile phone and then perform an operation for displaying mail. A configuration that simplifies this operation and allows the user to know the contents of the mail simply by opening the housing cannot be obtained by the combination of Patent Documents 1-5.

  An object of the present invention is to provide a mobile phone, a key illumination method, and a key illumination program that enable the user to know the contents of the mail by simply opening the casing of the mobile phone before displaying the mail on the main display. It is to provide.

To achieve the above object, a mobile phone according to the present invention includes a key operation unit comprising a housing, a plurality of operation keys for accepting an operation input from a user, independently for each operation key to illuminate the back of the operation keys A key backlight that can be turned on, a mail transmission / reception unit that transmits / receives e-mail, and when a new e-mail is received by the mail transmission / reception unit, the content represented by the e- mail from the text of the new e-mail An emotion recognition determination unit that determines which content is specified in advance and temporarily stores the determined content, and emits a key backlight corresponding to the content determined by the emotion recognition determination unit a display pattern storage unit for storing in advance a pattern to be, patterns corresponding to what is determined by the emotion recognition determination unit for new e-mail While have a display control unit for controlling light emission of the key backlight based on emissions, an input control unit recognizes the operation input to opening and closing operation or the key operation section of the housing, the input control unit opening and closing or operating When there is an unread e- mail received by the mail transmission / reception unit that recognizes the input , the display control unit again controls the key backlight to emit light based on the pattern corresponding to the content recognized by the emotion recognition determination unit. It is characterized by that.

In order to achieve the above object, a key illumination method according to the present invention includes a housing , a key operation unit that includes a plurality of operation keys that accept operation inputs from a user, and an operation key that illuminates the back of each operation key. A key illumination method for controlling the light emission of a key backlight in a pattern according to the contents of a new e-mail, wherein the mail transmitting / receiving unit receives the new e-mail. receiving, whether the emotion recognition determination unit determines contents from the received new e-mail represents of the electronic mail corresponds to any of those specified in advance and temporarily stores the the determined contents , Kiba based on pattern stored in advance in correspondence with what has been determined by the emotion recognition determination unit for new e-mail A scaling display control unit emits light control, input control unit an operation input for opening and closing operation or the key operation portion of the housing is aware of the mobile phone, it is recognized closing manipulation or operation input, and new e-mail is unread when, wherein the display control unit emits control key backlight again based on the pattern corresponding to what is determined by the emotion recognition determination unit for new e-mail.

In order to achieve the above object, a key illumination program according to the present invention is independent for each operation key that illuminates the housing , a key operation unit that includes a plurality of operation keys that accept operation inputs from the user, and the back of each operation key. in the mobile phone having a key backlight can be lit, the computer the mobile phone comprises, instructions for receiving a new e-mail, the content representing the received new e-mail of the e-mail in advance A procedure for determining which content is specified and temporarily storing the determined content, and a key backlight based on a pre-stored pattern corresponding to the content determined for a new email procedure for emission control, the procedure recognizes an operation input for opening and closing operation or the key operation unit of the housing of the mobile phone And opening and closing operation or the input operation is recognized, and when new e-mail is unread, that is steps to emission control key backlight again based on the pattern corresponding to the content that is determined for the new e-mail Features.

  The present invention is configured to cause the key backlight to emit light based on the pattern corresponding to the content recognized from the content of the newly arrived email in response to the recognition of the opening / closing operation of the casing of the mobile phone as described above. Therefore, before the user displays the mail on the main display, the user can know the contents of the mail through key illumination. As a result, it is possible to provide a superior mobile phone, a key illumination method, and a key illumination program, which can make it possible for the user to know the contents of the mail only by opening the casing of the mobile phone.

(Content of embodiment)
Hereinafter, the configuration of an embodiment of the present invention will be described with reference to FIGS.
First, the basic content of the present embodiment will be described, and then more specific content will be described.
A cellular phone 10 according to the present embodiment includes a case 11 that can be opened and closed, an input control unit 114 that recognizes an opening / closing operation of the case, and a key operation unit 102 that includes a plurality of operation keys that receive operation inputs from a user. The key backlight 103 that can be turned on independently for each operation key that illuminates the back of each operation key, and any of the contents indicated by the mail in advance from newly arrived e-mail received by the mail transmitting / receiving unit An emotion recognition determination unit 112 that determines whether the content corresponds to the content; a display pattern storage unit (display pattern 123) that stores a pattern that causes the key backlight 103 to emit light in accordance with the content determined by the emotion recognition determination unit 112; A table for controlling the light emission of the key backlight based on the pattern corresponding to the content determined by the emotion recognition determination unit 112 And a control unit 113. At the same time, based on the pattern corresponding to the content recognized by the emotion recognition determination unit 112 when the input control unit 114 recognizes the opening / closing operation of the housing 11 and there is an unread mail received by the mail transmission / reception unit 111. The display control unit 113 causes the key backlight 103 to emit light.

  In addition, the mobile phone 10 includes a main display 101 that outputs various information to the user, and the display control unit 113 is based on a pattern stored in advance corresponding to the content determined by the emotion recognition determination unit 112. The key backlight 103 is controlled to emit light, and an icon corresponding to this pattern is displayed on the main display 101.

  At the same time, the emotion recognition determination unit 112 is additionally provided with an emotion keyword storage unit (emotion keyword 122) for collating with the text data 121 of newly arrived mail to determine which content the text data 121 corresponds to.

  Here, the contents designated in advance so that the emotion recognition determination unit 112 determines the new mail includes at least one of “business”, “notification”, “junk mail”, and “not applicable”. Further, when the emotion recognition determination unit 112 determines that the content of the new mail corresponds to “spam mail”, the display control unit 113 does not perform the process of causing the key backlight 103 to emit light.

  Furthermore, the key backlight 103 can emit light of a plurality of colors for each key, and the display control unit 113 can control the light emission of the key backlight 103 with different emission colors for each key.

By providing this configuration, the present embodiment enables the user to know the contents of the mail simply by opening the casing of the mobile phone.
Hereinafter, this will be described in more detail.

  FIG. 1 is an explanatory diagram showing a configuration of a mobile phone 10 according to an embodiment of the present invention. FIG. 1A shows an external appearance of the housing 11 of the mobile phone 10, and FIG. 1B shows a schematic configuration inside the housing 11. The cellular phone 10 includes a casing 11 that can be opened and closed, a main display 101 that is a liquid crystal display device that outputs various information to the user, and a key operation unit 102 that includes a plurality of operation keys that accept operation inputs from the user. And a key backlight 103 that illuminates the back of each operation key constituting the key operation unit 102. FIG. 1A shows a state in which a part of the key backlight 103 is lit with the lighting color “color A”.

  The mobile phone 10 further includes a RAM (Random Access Memory) 104 that stores an operation program for controlling the operation of each unit, and a wireless communication unit that communicates mail data between the mobile phone 10 and a ground station (not shown). 105, a storage unit 106 that is a non-volatile storage device that stores various data and programs, and a control unit 107 that is an MPU (Micro Processing Unit) that executes the programs stored in the RAM 104.

  A mail transmission / reception unit 111 that controls transmission / reception of mail by controlling the wireless communication unit 105, an emotion recognition determination unit 112 that recognizes an emotion or content represented by the mail from the content of the received mail, and an emotion recognition determination unit 112 Display control unit 113 for executing a specific display on the main display 101 and the key backlight 103 based on the sent emotion or content, and an input control unit for detecting an operation of the key operation unit 102 and an operation of opening and closing the housing 11 by the user Reference numeral 114 denotes a program that is read from the storage unit 106 to the RAM 104 and executed by the control unit 107.

  The storage unit 106 includes text data 121 that is the content of the email received by the email transmission / reception unit 111, an emotion keyword 122 that is a list of keywords used by the emotion recognition determination unit 112 for recognition of emotion or content, and display control. A display pattern 123 indicating a display pattern of the main display 101 and the key backlight 103 performed by the unit 113 is stored.

  FIG. 2 is an explanatory diagram showing a more detailed configuration of the key operation unit 102 and the key backlight 103 of the mobile phone 10 shown in FIG. 2A shows a state in which the key operation unit 102 is viewed from the front, FIG. 2B shows a state in which the front cover is removed, and FIG. 2C shows a light 202 provided in the operation key 201. FIG. 2D shows a state in which one is enlarged. FIG. 2D shows a state in which a new mail arrival state is displayed on the main display 101 and at the same time a part of the light 202 is turned on based on the display pattern 123 of “color A”. .

  The key operation unit 102 includes a plurality of operation keys 201 that can be operated by an operator by touching with a finger. Each operation key 201 is formed of a translucent member, and at the same time, behind each of the operation keys 201. Is provided.

  As shown in FIG. 2C, the light 202 includes three lighting elements 202r, 202g, and 202b of RGB. At the same time, the light 202 has four terminals of R, G, B, and ground (GND), and the red (R) lighting element 202r is lit when energized between R and ground. If electricity is applied between G and ground, the green (G) lighting element 202r is turned on. If electricity is supplied between B and ground, the blue (B) lighting element 202r is turned on.

  The display control unit 113 can energize each lighting element independently for each color of each key, whereby the light 202 can be controlled to emit light with a different emission color for each key. The display control unit 113 can display the pattern registered in the display pattern 123 with the light 202 according to the emotion or content recognized by the emotion recognition determination unit 112.

  Note that the mounting positions and the number of operation keys 201 and lights 202 mounted on the key operation unit 102 can be arbitrarily determined and arranged within mounting conditions such as area. Although FIG. 2 shows an example in which the operation keys 201 of 3 × 7 are arranged and the lights 202 are mounted corresponding to the operation keys 201, the arrangement is not limited to this.

(Process when new mail is received)
FIG. 3 is a flowchart showing processing performed when the mobile phone 10 receives a new mail. When the mail transmission / reception unit 111 receives a new mail and stores the content as text data 121 (step S301), the emotion recognition determination unit 112 checks the number of received new mails (step S302). When a plurality of mails are received at the same time, only the latest mail is set as a processing target to be described later (step S303), and the process proceeds to step S304. If only one new mail has been received, it goes without saying that the processing is to be performed later, and the process proceeds to step S304.

  The emotion recognition determination unit 112 compares the text data 121 of the email designated as the target with the emotion keyword 122, scores the phrase that matches the emotion keyword 122, and the emotion or content represented by the phrase, It is analyzed whether or not the phrase representing emotion or content has the highest score (step S304).

  At this time, the emotion keyword 122 gives a higher score to characters and phrases that easily express emotions, such as so-called pictographs and emoticons. The emotion recognition determination unit 112 recognizes the emotion or content having the highest score as the emotion or content represented by this mail. However, the process for emotion recognition is not limited to this example, and a known technique capable of more advanced emotion analysis can be applied.

  Based on the emotion or content recognized by the emotion recognition determination unit 112 in step S304, the display control unit 113 searches the display pattern 123 (step S305), and turns on the key backlight 103 based on the search pattern (step S306). Hereinafter, the operation of turning on the key backlight 103 based on the display pattern 123 is referred to as key illumination.

  At the same time, the mail transmitting / receiving unit 111 displays the text data 121 of the new mail on the main display 101 in the same manner as when receiving a normal new mail (step S307). At this time, the display control unit 113 simultaneously displays an icon corresponding to the emotion or content recognized by the emotion recognition determination unit 112 in step S304 on the main display 101. This icon pattern is also included in the display pattern 123 and stored in the storage unit 106 (an icon pattern 123a described later).

  Simultaneously with the display of this icon, for example, ringing of a ring tone, vibration of a vibrator (both not shown), etc. can be appropriately performed based on the user's prior settings. This completes the process when a new mail is received. The processing in steps S306 and S307 is performed for a preset processing duration (usually about several seconds) immediately after a new mail is received.

  Through the processing described above, the user can know the rough contents of this new mail through key illumination.

(Display pattern)
FIG. 4 is a table showing an example of the display pattern 123 used in steps S306 and 307 in FIG. In this example, the emotion recognition determination unit 112 has four types of emotions of “joy”, “anger”, “sadness”, and “fun”, and three types of content “business”, “notification”, and “spam mail”, and any of these. “N / A” that does not correspond to an emotion or case is recognized by collating the text data 121 with the emotion keyword 122.

  Incidentally, “business” represents an email exchanged by a user at work. “Notification” represents an e-mail in which various notification items distributed by the user himself / herself are desired to be received, such as an e-mail magazine. “Junk mail” represents a mail for commercial advertising purposes, which is transmitted to the user himself / herself but does not wish to receive it, and is mainly contrary to public order and morals.

  These three types of “business”, “notification”, and “spam mail” represent the “content” of the mail, and cannot be said to be “emotion”. However, since the emotion recognition determination unit 112 can recognize these contents by the same technique as the other four types of “emotions” by selecting the emotion keyword 122, “emotion” As a kind of "."

  The display pattern 123 stores an icon pattern 123a displayed on the main display 101, an illumination lighting color 123b that lights the key backlight 103, and an illumination lighting pattern 123c in association with each emotion keyword. Data for “not applicable” that does not correspond to any of those emotions and contents is also included in the display pattern 123.

  Incidentally, when the emotion keyword is “junk mail”, since the key illumination is not turned on, the illumination lighting color 123b and the illumination lighting pattern 123c are not registered. If the emotion keyword is “not applicable”, the icon pattern 123a is not registered because no icon is displayed on the main display 101 in step S307.

  FIG. 5 is an explanatory diagram showing an example of the illumination lighting pattern 123c shown in FIG. FIG. 5 shows the lighting color of each of the lights 202 provided in each operation key 201 with characters in a state where the key operation unit 102 shown in FIG. 2 is viewed from the front. It indicates that a key without a letter is not lit.

  FIG. 5A shows an example of an illumination lighting pattern 123c corresponding to “notice”, FIG. 5B shows “joy”, and FIG. 5C shows “anger”. In both cases, a lighting color is determined based on the illumination lighting color 123b shown in FIG. 4, and an illumination lighting pattern 123c is determined. The color and pattern here can be appropriately determined using a color psychological method or the like.

  As shown in (a-1) to (a-6), the illumination lighting pattern 123c corresponding to “notification” in FIG. This is a pattern in which a lighting pattern in the form of “display a horizontal point and light up vertically when a horizontal line is displayed” is displayed for 0.5 seconds per pattern. In FIG. 5 (a), green lighting is displayed with the letters "green", indicating that keys without letters are not lit.

  Illumination lighting pattern 123c corresponding to “joy” in FIG. 5B has three display colors of yellow, yellowish green, and light blue for all keys shown in (b-1) to (b-3). It is a pattern that displays a lighting pattern in the form of “lighting up with scattered and bright brightness levels” for 0.5 seconds per pattern. In FIG. 5B, lighting in yellow, yellow-green, and light blue is indicated by letters of “yellow”, “green”, and “water”, respectively.

  Illumination lighting pattern 123c corresponding to “anger” in FIG. 5C has a form of “blink all keys in red and flash with maximum brightness” shown in (c-1) to (c-2). The lighting pattern is displayed for 0.3 seconds per pattern. In FIG. 5C, the red lighting is displayed with the characters “red”, and the keys not displaying the characters are not lit.

(Processing when the user operates the mobile phone)
FIG. 6 is a flowchart showing processing when the user operates the cellular phone 10 by key operation or opens / closes the housing 11 after the processing at the time of new mail reception shown in FIG. 3 is performed. When the input control unit 114 detects an operation of opening / closing the casing 11 by the user or an operation of the key operation unit 102 (step S401), the mail transmission / reception unit 111 first determines whether there is a new mail (step S402).

  If there is no new mail in step S402, the display control unit 113 performs key illumination based on the normal setting (step S406). The key illumination in this case uses a pattern registered as a pattern in the case of “not applicable” in the illumination lighting pattern 123c regardless of the recognized emotion and content.

  If there is a new mail in step S402, it is further determined whether or not the operation detected by the input control unit 114 is a “first operation” (step S403). If it is not “first operation”, the process proceeds to step S406 described above. If there is a new mail and “first operation”, the display control unit 113 searches the display pattern 123 based on the emotion recognized in the process of FIG. 3 for the new mail (step S404). Based on this, key illumination is performed (step S405).

  At the same time, the mail transmitting / receiving unit 111 displays the text data 121 of the new mail on the main display 101 in the same manner as when receiving a normal new mail (step S407). Even after the process of step S406 is completed, the process proceeds to step S407. In step S407, as in step S307 described above, the display control unit 113 simultaneously displays an icon (icon pattern 123a) corresponding to the emotion recognized by the emotion recognition determination unit 112 on the main display 101.

  Even after proceeding to step S406, the text data 121 is displayed on the main display 101 in step S407, but in this case, no icon is displayed. Thus, the process at the time of receiving a new mail is terminated, and a normal process related to reading and writing of mail based on the user's operation is performed.

(Overall operation)
Next, the overall operation of the first embodiment will be described. The operation according to the present embodiment is lit independently for each of the operation keys that illuminate the back of each operation key and the casing 11 that can be opened and closed, the key operation unit 102 that includes a plurality of operation keys that accept operation inputs from the user. This is a key illumination method for illuminating a key backlight with a pattern corresponding to the contents of a new e-mail, and receiving a new e-mail (FIG. 3). In step S301), it is determined from the received new incoming e-mail whether the contents represented by the mail correspond to the contents designated in advance (FIG. 3: step S304), and the opening / closing operation of the casing of the mobile phone is performed. If it is recognized (FIG. 6: step S401), the opening / closing operation is recognized, and the new mail is unread (FIG. 6: step S402), the new Emitting control key backlight based on the pattern stored in advance in correspondence with the determined contents for e-mail (Figure 6: step S404~405).

Here, each of the above-described operation steps may be programmed to be executable by a computer, and may be executed by the control unit 107 which is a computer that directly executes each of the steps.
By this operation, this embodiment has the following effects.

  The user may not be able to react immediately to the processing in steps S306 and S307 immediately after receiving the new mail shown in FIG. 3 due to other tasks. Therefore, when the user performs key operation or opens / closes the mobile phone 10 with unread mail, the process shown in FIG. 6 is performed, so that the user performs an operation for displaying the contents of the new mail on the main display 101. Before, you can know the rough contents of this new mail through key illumination. Thus, the present embodiment can improve user convenience.

  The present invention has been described with reference to the specific embodiments shown in the drawings. However, the present invention is not limited to the embodiments shown in the drawings, and any known hitherto provided that the effects of the present invention are achieved. Even if it is a structure, it is employable.

  The present invention can be applied to a mobile phone.

It is explanatory drawing which shows the structure of the mobile telephone which concerns on embodiment of this invention. FIG. 1A shows the appearance of the casing of the mobile phone, and FIG. 1B shows a schematic configuration inside the casing. It is explanatory drawing which shows the more detailed structure of the key operation part and key backlight of the mobile telephone shown in FIG. 2A is a view of the key operation unit viewed from the front, FIG. 2B is a state where the front cover is removed, and FIG. 2C is an enlarged view of one of the lights provided on the operation key. FIG. 2D shows a state where a new mail arrival state is displayed on the main display, and at the same time, a part of the light is turned on based on the display pattern of “color A”. It is a flowchart showing the process performed when a mobile telephone receives a new mail. It is a table | surface which shows an example of the display pattern used by step S306 and 307 of FIG. It is explanatory drawing which shows an example of the illumination lighting pattern shown in FIG. FIG. 5A shows an example of an illumination lighting pattern corresponding to “notice”, FIG. 5B shows “joy”, and FIG. 5C shows “anger”. FIG. 4 is a flowchart showing processing when a user performs key operation on a cellular phone or opens / closes a casing after the processing at the time of new mail reception shown in FIG. 3 is performed. 10 is a flowchart showing an operation of a mobile phone obtained by combining Patent Documents 3, 4, and 5.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Cellular phone 11 Case 101 Main display 102 Key operation part 103 Key backlight 104 RAM
DESCRIPTION OF SYMBOLS 105 Wireless communication part 106 Memory | storage part 107 Control part 111 Mail transmission / reception part 112 Emotion recognition judgment part 113 Display control part 114 Input control part 121 Text data 122 Emotion keyword 123 Display pattern 123a Icon pattern 123b Illumination lighting color 123c Illumination lighting pattern 201 Operation key 202 Light 202r, 202g, 202b Lighting element

Claims (8)

A housing,
A key operation unit having a plurality of operation keys for receiving an operation input from a user;
A key backlight that can be lit independently for each operation key that illuminates the back of each operation key;
A mail sending / receiving unit for sending and receiving e-mail;
When a new e-mail is received by the e- mail transmission / reception unit, it is determined from the text of the new e-mail whether the content represented by the e- mail corresponds to a predetermined content. An emotion recognition determination unit that temporarily stores
A display pattern storage unit for storing in advance a pattern for causing the key backlight to emit light corresponding to the content determined by the emotion recognition determination unit;
While have a display control unit for controlling light emission of the key backlight based on the pattern corresponding to what is determined by the emotion recognition determination unit for the new e-mail,
An input control unit recognizes the operation input to opening and closing operation or the key operation portion of the housing, the unread e-this the input control unit recognizes the opening and closing operation or the operation input, and received by the mail transmitting and receiving unit The mobile phone according to claim 1, wherein when there is a mail, the display control unit again controls the key backlight to emit light based on a pattern corresponding to the content recognized by the emotion recognition determination unit. It has a main display that outputs various information to the user.
The display control unit controls the light emission of the key backlight based on a pattern stored in advance corresponding to the content determined by the emotion recognition determination unit, and displays an icon corresponding to the pattern on the main display. The mobile phone according to claim 1, wherein: In the emotion recognition determination unit, emotion keyword storage unit that keyword is stored in advance for text data with the collation to the text data to perform the process of determining whether corresponding to the any of the contents of the new e-mail features The mobile phone according to claim 1, wherein The content designated in advance so that the emotion recognition determination unit determines about the new e- mail includes at least one of “business”, “notification”, “junk mail”, and “not applicable”. The mobile phone according to claim 1. The emotion recognition determination unit, when the contents of the new e-mail is determined to correspond to the "Spam", the display control unit is characterized in that it does not perform the process of light emission controls the key backlight, claim 5. The mobile phone according to 4. The key backlight can emit multiple colors for each key,
6. The mobile phone according to claim 1, wherein the display control unit can control the key backlight to emit light with a different light emission color for each key. 7. . A mobile phone having a casing, a key operation unit including a plurality of operation keys that receive operation inputs from a user, and a key backlight that can be lit independently for each operation key that illuminates the back of each operation key A key illumination method for controlling the light emission of the key backlight with a pattern according to the contents of a new email,
The mail transmission / reception unit receives the new email,
Temporarily stores the contents of what it represents from the received new e-mail of the e-mail is that it is determined based on whether corresponds to any of those specified in advance emotion recognition determination unit,
The display control unit controls the light emission of the key backlight based on the pattern stored in advance corresponding to the content determined by the emotion recognition determination unit for the new arrival email,
The input control unit recognizes an opening / closing operation of the casing of the mobile phone or an operation input to the key operation unit ,
The recognized closing operation or the operation input, and wherein when new e-mail is unread, the display control unit based on the pattern corresponding to what has been determined for the new e-mail by the emotion recognition determination unit Re- controls the key backlight to emit light again . A mobile phone having a casing, a key operation unit including a plurality of operation keys that receive operation inputs from a user, and a key backlight that can be lit independently for each operation key that illuminates the back of each operation key In the computer included in the mobile phone,
Procedures for receiving new emails ,
A procedure for determining from the received new arrival e-mail the content represented by the e- mail corresponds to a predetermined content, and temporarily storing the determined content ;
A procedure for controlling the light emission of the key backlight based on a pattern stored in advance corresponding to the content determined for the newly arrived email;
A procedure for recognizing an operation input to the key operation unit or an opening / closing operation of the casing of the mobile phone ,
And the opening and closing operation or the operation input is recognized, and if the new e-mail is unread, the light emission control key backlight again on the basis of the pattern corresponding to what has been determined for the new e-mail A key illumination program characterized by causing a procedure to be executed.

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