JP5092970B2 - Mobile phone, key backlight lighting method and key backlight lighting control program used for the mobile phone - Google Patents

Description

  The present invention relates to a cellular phone, a key backlight lighting method and a key backlight lighting control program used for the cellular phone, and more particularly to a key backlight for individually illuminating each key switch constituting a key operation unit. The present invention relates to a mobile phone suitable for application when a light is provided, a key backlight lighting method and a key backlight lighting control program used for the mobile phone.

  In mobile phones, the size of the main display (main display unit) tends to be increased, but at the same time, the main body size tends to be reduced, and the main display size and the main body size are becoming almost the same size. For this reason, it is expected that the display space of the main display will be limited in the future, but there is a problem that it is necessary to construct a new expression means and method while using the limited display space.

As this type of related technology, for example, there is a key backlight control method described in Patent Document 1.
In this control method, at the time of outgoing / incoming call or mail mode, the control unit reads the color data of different emission colors stored in correspondence with all the key numbers from the key emission color setting memory, and the key backlight The three color LEDs are controlled to emit light. In addition, when the application function is activated, the emission color and its color data stored corresponding to each of the valid key and invalid key are read from the function-specific emission color control table, and the key back corresponding to the valid key and invalid key is read. The three-color LED of the light is controlled to emit light with different emission colors.

Further, in the mobile phone with a lighting function described in Patent Document 2, a plurality of multicolor light emitting sections emit light in two or more different colors simultaneously or individually according to the telephone operation, and a plurality of keys of the operation key section are lit. Alternatively, the operation key unit is used as a display unit by blinking.
Japanese Patent Laying-Open No. 2005-134998 (Abstract, FIG. 1) JP 2001-217904 (abstract, FIG. 1)

However, the techniques described in the above documents have the following problems.
That is, in the key backlight control method described in Patent Document 1, the efficiency of key identification and key operation is improved by the emission color when the key backlight is turned on, but the space of the operation unit of the mobile phone is effectively utilized. However, the configuration is different from that of the present invention, and the above problem is not solved.

  Further, in the mobile phone described in Patent Document 2, the operation key unit is used as a display unit, but there is no description about the relationship with the display content by the display unit, and the above problem cannot be solved.

  The present invention has been made in view of the above-described circumstances, and a mobile phone in which a new display method for effectively using a space other than the display unit is constructed, a key backlight lighting method and a key backlight used in the mobile phone. The purpose is to provide a lighting control program.

In order to solve the above problems, a first configuration of the present invention includes a display unit, a key operation unit including a plurality of key switches, and a plurality of key backlights for individually illuminating each key switch. And the key illumination content start timing for expressing the illumination by turning on the key backlight and the start timing of the moving image content displayed on the display portion are synchronized with each other. And a key backlight lighting control means for lighting each corresponding key backlight so as to be linked to the movement of the moving image. Each key backlight includes R (red), G (green) and B (blue) lighting elements and the display among the plurality of key switches constituting the key operation unit For each uppermost key switch closest to the key switch, the corresponding key backlight is arranged above or above the key switch, while each lower-side key switch except for the uppermost key switch In the key switch, the corresponding key backlight is disposed below or below the key switch, and the key backlight lighting control means displays the key illumination content when expressing the illumination. Based on the above, the brightness and lighting timing of each of the R (red), G (green), and B (blue) lighting elements of each corresponding key backlight are individually controlled .

The second configuration of the invention includes a display unit, a key operation section composed of a plurality of key switches, and a plurality of key backlight for individually illuminating to the respective key switches, each key back The light has R (red), G (green), and B (blue) lighting elements, and among the plurality of key switches constituting the key operation unit, each key on the uppermost stage closest to the display unit For the switch, the corresponding key backlight is arranged above or above the key switch. On the other hand, except for the uppermost key switch, the lower key switch includes the key switch. the bottom or downward, relates to a corresponding said key backlight key backlight illumination method used in a mobile phone according to disposed, represent illumination by lighting the key backlights Corresponding to the movement of the moving image displayed on the display unit by synchronizing the start timing of the key illumination content for synchronization with the start timing of the moving image content displayed on the display unit When each of the key backlights is turned on and the illumination is expressed, the R (red), G (green), and B (for each of the corresponding key backlights based on the key illumination content. It is characterized in that the luminance and lighting timing of each lighting element of blue) are individually controlled .

  According to the configuration of the present invention, the key backlight lighting control means causes the key backlight to turn on to express the illumination, the key illumination content start timing, and the moving image content start timing displayed on the display unit. Are synchronized and the corresponding individual key backlights are turned on so as to be linked to the movement of the moving image displayed on the display unit. Thereby, the key backlight is used as a new expression method, and the resources of the mobile phone can be used effectively. In addition, the force and presence that cannot be expressed only by the display of the display unit can be complemented by interlocking with key illumination. Further, by using the key backlight as a display function, the display area can be expanded and the expressive power can be improved as compared with the state of only the display unit.

  By synchronizing the start timing of the key illumination content for lighting the key backlight to express the illumination and the start timing of the moving image content displayed on the display unit, the moving image displayed on the display unit Provided is a mobile phone provided with key backlight lighting control means for lighting each corresponding key backlight so as to be linked to movement.

  Further, in the present invention, each key backlight is configured to light with a set lighting color, and the key backlight lighting control means is configured to turn on each key backlight based on the key illumination content. In addition, the brightness and lighting timing are set.

  In the present invention, each of the key backlights includes R (red), G (green), and B (blue) lighting elements, and the key backlight lighting control means includes the key backlights described above. The brightness and lighting timing of the R (red), G (green), and B (blue) lighting elements are individually controlled.

  According to the present invention, the key backlight lighting control means is linked to the movement of the character when a standby screen is displayed on the display unit and a predetermined character is displayed as a moving image on the standby screen. The key backlight is turned on.

FIG. 1 is a block diagram showing an electrical configuration of a main part of a mobile phone according to an embodiment of the present invention.
As shown in the figure, the cellular phone 1 of this example includes a main display 11, an open / close detection device 12, an infrared communication unit 13, a wireless communication unit 14, a FeliCa (registered trademark) communication unit 15, and key operations. The unit 16, the key backlight 17, and the control unit 18 are configured. The main display 11 is constituted by a liquid crystal display device, for example, and performs a predetermined display as a user interface. The open / close detection device 12 is configured by, for example, a Hall IC, and detects the open / closed state of the casing as a user interface when the mobile phone 1 is configured by a foldable casing.

  The infrared communication unit 13 performs infrared data communication with other mobile phones and transmission / reception terminals (not shown). The wireless communication unit 14 is wirelessly connected to a wireless base station (not shown) by a wireless signal via an antenna (not shown). The radio base station is connected to a public network via a mobile communication switching center and a gateway mobile communication switching center (not shown). In particular, in this embodiment, the wireless communication unit 14 performs processing such as modulation on a transmission signal by transmission operation and demodulation on a reception signal by reception operation, and performs data communication with a network server connected to a public network, for example. I do. The FeliCa communication unit 15 performs data communication using a non-contact IC card technique with other mobile phones and transmission / reception terminals (not shown). The key operation unit 16 has a plurality of key switches for performing a predetermined operation as a user interface. The key backlight 17 is composed of, for example, an LED (Light Emitting Diode), and is disposed below the key operation unit 16 to individually illuminate the key switches.

  The control unit 18 includes a CPU (Central Processing Unit) 18a as a computer for controlling the entire mobile phone 1, and a ROM (Read Only ..) in which a computer-readable key backlight lighting control program for operating the CPU 18a is recorded. Memory) 18b. In particular, in this embodiment, the control unit 18 turns on the corresponding key backlight 17 so as to be interlocked with the movement of the image (moving image) displayed on the main display 11. In addition, the control unit 18 synchronizes the start timing of the key illumination content for expressing the illumination by turning on the key backlight 17 and the start timing of the moving image content displayed on the main display 11. Further, each key backlight 17 is configured to light up with the set lighting color, and the control unit 18 sets the lighting color, brightness, and lighting timing of each key backlight 17 based on the key illumination content.

  Further, the control unit 18 has a function of collectively setting standby image content and key illumination content to be displayed on the main display 11. With this batch setting function, standby image content and key illumination content can be selected as a set, and when a setting pattern is selected from the list, standby image content and key illumination content are set simultaneously as a pair. Yes. If the mobile phone 1 has a back lamp (not shown), the batch setting function uses the standby image and key illumination, the back lamp color, the back lamp lighting pattern, the power-on image, and the power-on key. Illuminations, images at incoming / outgoing calls, images at the time of mail transmission / reception, menu composition images, menu layouts, and various ringtones are set collectively. By selecting this batch setting, the user can perform a recommended setting with a good balance in total. In particular, since it is desirable that the color, lighting pattern, and key illumination of the rear lamp are coordinated (adjusted), the batch setting is effective.

FIG. 2 is a schematic diagram showing an appearance and a configuration of a main part of the mobile phone 1 of FIG.
The mobile phone 1 includes an upper unit 21 and a lower unit 22 as shown in FIG. The upper unit 21 includes the main display 11 on the front side, and the lower unit 22 includes the key operation unit 16 including key switches on the front side. And it is comprised so that it can fold through the hinge part 23 in the aspect in which the front side of the upper unit 21 and the front side of the lower unit 22 face each other. Further, as shown in FIG. 2B, each key backlight 17 is arranged under each key switch of the key operation unit 16, and each key backlight 17 is as shown in FIG. 2C. And R (red), G (green), B (blue) LEDs, and a power supply terminal vc. The control unit 18 in FIG. 1 individually controls the brightness and lighting timing of the R (red), G (green), and B (blue) LEDs of the respective key backlights 17, and the colors A, B, C, D , E to light up. These colors A, B, C, D, and E are controlled by the luminance ratio of the R (red), G (green), and B (blue) LEDs.

3 is a diagram illustrating an example of key illumination expressed by the key backlight 17, FIG. 4 is a diagram illustrating an example of an image displayed on the main display 11 in conjunction with the key illumination, and FIG. 5 is a mobile phone. FIG. 6 is a flowchart for explaining the interlocking of the main display display and key illumination lighting performed when the casing of the mobile phone 1 is opened, and FIG. 7 is a power on of the mobile phone 1. FIG. 8 is a flowchart for explaining the interlocking of main display display, key illumination lighting and melody sounding performed at the timing of entering the state, and FIG. It is a flowchart.
With reference to these drawings, the processing content of the key backlight lighting method used in the mobile phone of this example will be described.
In this mobile phone 1, the corresponding individual key backlight 17 is turned on by the control unit 18 so as to be linked to the movement of the moving image displayed on the main display 11. In this case, the control unit 18 synchronizes the start timing of the key illumination content for expressing the illumination by turning on the key backlight 17 and the start timing of the moving image content displayed on the main display 11.

  That is, as shown in FIG. 3 (a) (step 1), the key backlight 17 is turned on with the color A, and after several ms, FIG. 3 (b) (step 2), FIG. 3 (c) (step 3). ) And FIG. 3D (step 4), the movement of the color A light rising upward is caused by the key backlight 17 as the lighting position of the color A gradually moves upward. Expressed. Next, as shown in FIG. 4E (step 5), the image A changes continuously from the key backlight 17 to the image A displayed in the main display 11. Thereafter, the image A rises, the image B is displayed as shown in FIG. 4 (f) (step 6), and the image C with fireworks is shown as shown in FIG. 4 (g) (step 7). Is displayed. In addition to the processing of step 1 to step 7 above, as shown in FIG. 5, the lighting location of the color B and the lighting location of the color C are gradually moved upward, whereby the image va is displayed on the main display 11 and fireworks are displayed. Illumination that makes you imagine the launch of.

Here, a method for synchronizing the moving image displayed on the main display 11 and the lighting timing of the key illumination will be described.
That is, in FIG. 3A (step 1), the start timing of the key illumination content and the start timing of the moving image content are synchronized, and each content is transmitted with the passage of time in step 2, step 3 and step 4. Illumination is displayed. Further, from FIG. 3D (step 4) to FIG. 4E (step 5), the color A displayed by the key illumination changes continuously to the image A on the main display 11, but this timing Is created on each content side in consideration of the time from the start of each content. That is, the display on the main display 11 and the key illumination are interlocked by synchronizing the start timing of the key illumination content with the start timing of the moving image content displayed on the main display 11.

  As scenes in which the display on the main display 11 and the key illumination are linked, (1) when the casing of the mobile phone 1 is opened, (2) when the power is turned on, and (3) when other events occur (for example, Phone calls, various communications, power off, etc.). That is, when the casing of the cellular phone 1 is opened, as shown in FIG. 6, when the casing of the cellular phone 1 is opened when the main display 11 is in the sleep state (step A1), the opening / closing detection device 12 The open state is detected by the Hall IC (step A2) and transmitted to the control unit 18. The control unit 18 transmits a sleep out command to the main display 11 (step A3), and starts displaying a standby screen (moving image portion) (step A4a). At this time, the controller 18 starts lighting the key illumination by the key backlight 17 so as to synchronize with the start of the standby screen display (step A4b). Thereby, the standby screen display of the main display 11 and the key illumination of the key backlight 17 start simultaneously. The standby screen display and the key illumination lighting display are related to display contents, and are controlled so that the display timing is also linked (step A5).

  When the display of the moving image portion of the standby screen is completed (step A6), the standby screen of the main display 11 is fixedly displayed (step A8). The fixed display image is included in the content of the standby screen. When the key illumination lighting ends (step A7), the key backlight 17 lights (step A9). When the key backlight 17 is turned on, a state in which the user turns on the key printing of the key operation unit 16 in a color that is easy to see (for example, the entire surface of the key backlight is turned on in a unified color, and the brightness is light). Become.

  When the power is turned on, as shown in FIG. 7, when the power of the mobile phone 1 is turned on (step B1), the control unit 18 starts displaying the wakeup image on the main display 11 (step B2a). ). At this time, the control unit 18 starts lighting the key illumination by the key backlight 17 so as to synchronize with the start of the wake-up image display (step B2b), and starts ringing the melody by the ringing means (not shown) (step B2c). ). As a result, the wake-up image display, key illumination and melody ringing on the main display 11 are started simultaneously. The wake-up screen display, the key illumination lighting display, and the melody ringing are related to the content contents, and are controlled so that the lighting timing and ringing timing are interlocked (step B3). When the display of the wake-up screen is completed (step B4), the process proceeds to the standby screen (moving image portion) display start as in step A4a in FIG. Thereafter, the same processing as in FIG. 6 is performed.

  Further, as shown in FIG. 8, an event occurs in the mobile phone 1 (step C1). Events include, for example, making and receiving calls, sending and receiving e-mails, infrared communication, FeliCa communication, various alarm sounds, and music content playback. The control unit 18 starts displaying that the event is being executed on the standby screen of the main display 11 (step C2a). At this time, the controller 18 starts lighting the key illumination by the key backlight 17 so as to synchronize with the start of the standby screen display (step C2b). Thereby, the standby screen display of the main display 11 and the key illumination of the key backlight 17 start simultaneously. The screen display during the event execution and the key illumination lighting display are related to the display contents, and the display timing is also controlled (step C3). During the event execution, the main display 11 display and the reproduction of each content of the key illumination are repeatedly executed, and the reproduction ends at the end of the event (steps C4, C5, C6, C7). Thereafter, the standby screen of the main display 11 is fixedly displayed (step C8), and the key backlight 17 is turned on (step C9).

  As described above, in this embodiment, the control unit 18 turns on the key backlight 17 to start the key illumination content for expressing the illumination, and the start timing of the moving image content displayed on the main display 11. Are synchronized, and the corresponding individual key backlights 17 are turned on so as to be linked to the movement of the moving image displayed on the main display 11. Thereby, the key backlight 17 is used as a new expression method, and resources of the mobile phone are effectively utilized. In addition, powerful and realistic sensations that cannot be expressed only by display on the main display 11 are complemented by interlocking with key illumination. Furthermore, by using the key backlight 17 as a display function, the display area is expanded and the expressive power is improved as compared with the state of the main display 11 alone.

The embodiment of the present invention has been described in detail with reference to the drawings. However, the specific configuration is not limited to the embodiment, and even if there is a design change without departing from the gist of the present invention, Included in the invention.
For example, when the standby screen is displayed on the main display 11 and a predetermined character is displayed as a moving image on the standby screen, the control unit 18 causes the key backlight 17 to be linked to the movement of the character. It is good also as a structure lit as illumination (corresponding to claim 5). In this case, for example, when a character such as an animal moves limbs in response to a user's key operation, the key backlight 17 lights up in key illumination in conjunction with the movement of the character. When the character expresses emotions, the key backlight 17 performs key illumination lighting that imitates emotions.

  Further, when the character informs the change in the state of the mobile phone 1 such as mail reception or telephone call, for example, a pattern such as a mail mark may be expressed by adjusting the position where the key backlight 17 is lit. good. In addition, when the character is set to notify when the time set in the schedule is reached, the key illumination by the key backlight 17 blinks violently to notify the arrival of the set time, and the position where the key backlight 17 is lit is adjusted. By doing so, the time may be displayed by key illumination. Thereby, there is an effect of making the movement of the character displayed on the standby screen impressive.

  Further, for example, as shown in FIG. 9, a meteor is displayed in the starry sky by the image vb, and in conjunction with this, each key backlight 17 blinks randomly in the color D, thereby expressing the starry sky. When the key backlight 17 is lit in the color D in the order of the arrows, a meteor is expressed. Further, as shown in FIG. 10, the key backlight 17 is sequentially lit in the direction of the arrow with the color D, and a state in which the key backlight 17 is sequentially changed to the image E (heart shape) is expressed by the standby screen of the image vc. The casing of the mobile phone 1 is not limited to a folding type, and may be a straight type or a sliding type. Further, even if the ringing of the melody in FIG. 7 is omitted, substantially the same operation and effect as in the above embodiment can be obtained.

  The present invention can be applied to all mobile phones in which a key back light is provided in a key switch constituting a key operation unit.

It is a block diagram which shows the electrical constitution of the principal part of the mobile telephone which is one Example of this invention. It is a schematic diagram which shows the external appearance and structure of the principal part of the mobile telephone 1 of FIG. It is a figure which shows the example of the key illumination expressed by the key backlight 17. FIG. It is a figure which shows the example of the image displayed on the main display 11 in response to key illumination. It is a figure which shows the image of the illumination by the mobile telephone 1. FIG. 5 is a flowchart for explaining the interlocking of main display display and key illumination lighting performed when the casing of the mobile phone 1 is opened. It is a flowchart explaining the interlocking of the main display display performed by the timing when the power supply of the mobile telephone 1 turns on, key illumination lighting, and a melody ringing. 4 is a flowchart for explaining the interlocking of main display display and key illumination lighting in accordance with each event of the mobile phone 1. It is a figure which shows the other example of the image of the illumination by the mobile telephone 1. FIG. It is a figure which shows the other example of the image of the illumination by the mobile telephone 1. FIG.

Explanation of symbols

1 Mobile phone 11 Main display (display unit, part of mobile phone)
12 Open / close detection device (part of mobile phone)
13 Infrared communication part (part of mobile phone)
14 Wireless communication part (part of mobile phone)
15 FeliCa communication part (part of mobile phone)
16 Key operation part (part of mobile phone)
17 Key backlight (part of mobile phone)
18 Control unit (key backlight lighting control means, part of mobile phone)
18a CPU (central processing unit) (part of key backlight lighting control means)
18b ROM (read only memory) (part of key backlight lighting control means)

Claims (4)

A display unit, a key operation unit composed of a plurality of key switches, a plurality of key backlights for individually illuminating each of the key switches ,
A video displayed on the display unit by synchronizing the start timing of key illumination content for lighting the key backlight to express illumination and the start timing of moving image content displayed on the display unit A mobile phone comprising key backlight lighting control means for lighting each corresponding key backlight so as to be linked to the movement of an image ,
Each key backlight is
It has R (red), G (green), and B (blue) lighting elements,
Among the plurality of key switches constituting the key operation unit, each key switch at the uppermost stage closest to the display unit is provided with the corresponding key backlight above or above the key switch. On the other hand, in each key switch on the lower side excluding each key switch on the uppermost level, the corresponding key backlight is disposed below or below the key switch, and
The key backlight lighting control means includes
When expressing the illumination, based on the key illumination content, the brightness and lighting timing of each R (red), G (green), and B (blue) lighting element of the corresponding key backlight. A mobile phone characterized by individually controlling the mobile phone. The key backlight lighting control means includes
When the standby screen is displayed on the display unit and a predetermined character is displayed as a moving image on the standby screen, the key backlight is turned on so as to be linked to the movement of the character. mobile phone according to claim 1, wherein. A display unit, a key operation unit including a plurality of key switches, and a plurality of key backlights for individually illuminating each key switch ;
Each of the key backlights has R (red), G (green), and B (blue) lighting elements, and of the plurality of key switches constituting the key operation unit, the closest to the display unit. For each key switch in the upper stage, the corresponding key backlight is disposed above or above the key switch, while in each key switch on the lower stage excluding each key switch in the uppermost stage, A key backlight lighting method used in a mobile phone in which the corresponding key backlight is disposed below or below the key switch ,
A video displayed on the display unit by synchronizing the start timing of key illumination content for lighting the key backlight to express illumination and the start timing of moving image content displayed on the display unit In conjunction with the movement of the image, the corresponding individual key backlights are turned on,
When expressing the illumination, based on the key illumination content, the brightness and lighting timing of each R (red), G (green), and B (blue) lighting element of the corresponding key backlight. The key backlight lighting method characterized by controlling each of them individually . Computer readable key backlight control program for functioning as a key backlight control unit according to claim 1 or 2, wherein the computer.

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