WO2003013193A1 - Dispositif d'eclairage et dispositif monte dans un calculateur - Google Patents

Dispositif d'eclairage et dispositif monte dans un calculateur Download PDF

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Publication number
WO2003013193A1
WO2003013193A1 PCT/JP2001/006444 JP0106444W WO03013193A1 WO 2003013193 A1 WO2003013193 A1 WO 2003013193A1 JP 0106444 W JP0106444 W JP 0106444W WO 03013193 A1 WO03013193 A1 WO 03013193A1
Authority
WO
WIPO (PCT)
Prior art keywords
lighting
light emitting
light
control
illumination
Prior art date
Application number
PCT/JP2001/006444
Other languages
English (en)
Japanese (ja)
Inventor
Yasuyuki Kitada
Susumu Aoyama
Takanobu Hattori
Yuichi Abe
Original Assignee
Fujitsu Limited
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujitsu Limited filed Critical Fujitsu Limited
Priority to PCT/JP2001/006444 priority Critical patent/WO2003013193A1/fr
Priority to JP2003518232A priority patent/JP4615216B2/ja
Publication of WO2003013193A1 publication Critical patent/WO2003013193A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/22—Illumination; Arrangements for improving the visibility of characters on dials
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones

Definitions

  • the present invention relates to a lighting device for controlling lighting (lighting) of a plurality of lighting means and a device mounted with a combination, for example, a sub-device provided on the back of a foldable mobile phone or the like.
  • the present invention relates to a lighting device and a computer-mounted device that are used when, for example, simultaneously controlling the LCD display switching button (back key) and the lighting (illumination) of a sub LCD.
  • Background art
  • main LCD main liquid crystal display screen
  • some models have a sub-LCD display switching button (back key) together with the sub-LCD on the back of the mobile phone.
  • the rear keys are equipped with light emitting diodes (LEDs), which may be used to blink the rear keys themselves in various colors or to continuously change the illumination color.
  • LEDs light emitting diodes
  • the sub LCD is normally used to maintain the lighting state. In such a mobile phone, when the sub-LCD is kept lit while the back key is blinking, the back key and the illumination of the sub-LCD must be controlled completely differently.
  • FIG. 11 is a block diagram schematically showing a hardware configuration of a mobile phone 200 based on the conventional technology.
  • a radio transmission / reception unit 2 having an antenna 1 for receiving radio waves, a baseband processing unit 3, an input operation unit 5 for a user to input a telephone number and information by a key operation, and a registration unit 6
  • a memory 6 having an a and a history section b and a display section 7 are connected to a control section 40.
  • a speaker 10 and a microphone 11 are connected to the control section 40 via an interface (IF) 9. It is connected to the.
  • the display unit 7 is connected to a main LCD display unit 7a for displaying on the main LCD 21 and a sub LCD display unit 7b for displaying on the sub LCD.
  • the display a and b are controlled by the display unit.
  • the sub LCD illumination section 12 for illuminating the sub LCD and the rear key illumination section 13 for illuminating the rear keys are separately connected to the control section 40.
  • the lighting control of the sub LCD and the back keys is performed separately.
  • FIG. 12 is a circuit diagram showing lighting control of the sub LCD and the back key by the control unit 40, the sub LCD lighting unit 12, and the back key lighting unit 13 in FIG.
  • the LEDs used for the rear keys are three colors of R (red), G (green), and B (blue), and a combination of these three colors enables emission of seven colors.
  • the sub LCD lighting section 12 is composed of a sub LCD LED 830, a current limiting element 840, and a switching element 850.
  • the switching element 850 is connected to the sub LCD LED control output port 401 of the control unit 40, and is turned on by the output of a control pulse from the sub LCD LED control output port 401, and the sub LCD LED 830 emits light. .
  • the rear key illumination unit 13 includes a rear key LED (R) 800r, an R LED, a current limiting element 810r, and a switching element 820r.
  • the respective switching elements are connected to the LED (R) output port 40r, the LED (G) output port 40g, and the LED (B) output port 40b of the control unit 40, and are connected to these ports. Turns on by the output of a control pulse, and the LED corresponding to each port emits light when current flows from the power supply side.
  • the mobile phone 200 provided with the rear keys and the sub LCD necessarily needs both the control keys for the rear keys and the sub LCD. Only the number of control components is required. Therefore, in the conventional configuration and method, the number of control ports is reduced, the number of parts is reduced, and the size and the size are simplified. Conversion. Moreover, it is difficult to realize cost reduction.
  • the present invention has been made to solve such a problem, and it is an object of the present invention to realize a state that can be regarded as a blinking state by alternately lighting lights of different colors on a rear key. Therefore, the control port for the sub-CD and the control port for the rear key can be made common, so that the lighting and blinking of the sub-LCD and the rear key can be controlled with a smaller number of ports compared to the past. It is an object of the present invention to provide a lighting device and a computer mounted device that can be performed, and thus can be simplified and reduced in size and cost. Disclosure of the invention
  • the present invention is directed to a first illumination which obtains a plurality of types of first illumination light by combining respective light emissions of at least two light emitting means, each of which is independently turned on and off.
  • a lighting device comprising: lighting control means for turning on the light emitting means in the second lighting means to emit light when at least one of the two light emitting means is turned on to emit light. It is.
  • the lighting state of the second lighting means can be maintained.
  • the lighting colors of the first lighting control are alternated.
  • the lighting state of the second illuminating means can be maintained by switching to, and building the pseudo blinking state.
  • the first illuminating means functions to illuminate the back key of the foldable mobile phone, and the light emitting means is composed of a three-color RGB back key LED.
  • the second illuminating means functions to illuminate the sub LCD, and the light emitting means is composed of a sub LCD LED.
  • the lighting control means includes a control unit, a control port for RGB three colors (output port for LED), and switching for each of the three colors. It consists of an element, a switching element for the sub LCD, and an OR circuit. This OR circuit calculates the logical sum of the control ports of the three colors RGB to emit light (the sub LCD LED in the embodiment) in the second illumination means (illuminates the sub LCD in the embodiment). Outputs control signal.
  • the lighting control of the sub LCD can be performed only with a plurality of control ports provided for the back LCD.
  • the number of control ports is small, and the rear keys and sub LCD can be controlled simultaneously, increasing control efficiency.
  • the lighting device further includes a mode setting means for setting an illumination mode (for example, a mode in which blinking, lighting, emission color, and the like are set) in the first lighting means,
  • the illumination control means can perform on-Z off control for each of the at least two light-emitting means (in the embodiment, the three-color RGB rear-surface LED). According to such a configuration, it is possible to illuminate with various illumination methods by the first illumination means, so that the illuminations of the first illumination means and the second illumination means are controlled without limiting the illumination method. be able to.
  • the mode setting means sets the lighting color of the first lighting means to a continuously changing mode
  • the at least two lighting modes in the first lighting means are changed.
  • the timing of turning off the light emitting means to be turned off by the lighting control means in order to change to the next illumination color is after turning on the light emitting means to be turned on.
  • the second lighting means always illuminates while the first lighting means is illuminating, and the illumination of the second lighting means is not interrupted even when the illumination color is switched in the first lighting means. Lighting can be maintained.
  • the illumination color of the rear key changes continuously, one of the LEDs for the rear key is always on, so that the illumination of the sub LCD is not discontinuously interrupted. Will be maintained.
  • the first lighting means when the first lighting means is in the blinking mode, in the embodiment of the present invention, a three-color RGB LED is used as the light emitting means of the back key, and white light obtained by turning on all of these is used. Turn on one or two of these LEDs to emit light other than white light.
  • the first lighting means alternately emits light of white light and a color other than white light, so that a pseudo blinking state can be provided while the first lighting means is always on.
  • the flashing state of the first lighting means can be realized without interrupting the lighting by the first lighting means.
  • the conventional method for example, if it is set to blink red, “red—off—red ⁇ off” —Control is performed so that “red ⁇ goes out”.
  • this unlit portion by setting this unlit portion to white, it is possible to maintain a state in which the back key is always turned on and the red flashes visually. Becomes possible.
  • the present invention relates to a computer-mounted device having a button key and an LCD, wherein the computer-mounted device has the same function as the lighting device described above, and is mounted on various computers.
  • the lighting control for the lighting means it is possible to efficiently perform the lighting control without deteriorating the performance of the conventional lighting while simplifying the hardware configuration.
  • FIG. 1 (a) is an external view of the foldable mobile phone according to the embodiment of the present invention when opened
  • FIG. 1 (b) is a foldable mobile phone according to the embodiment of the present invention.
  • FIG. 7 is an external view of the back surface in such a case.
  • FIG. 2 is a block diagram schematically illustrating an example of a hardware configuration of a mobile phone.
  • FIG. 3 is a circuit diagram showing illumination control of the sub LCD and the back key.
  • FIG. 4 is a correspondence table of the combinations of the light emission of the three colors R, G, B, and L and the color.
  • FIG. 5 is a timing chart showing a control method when the illumination color of the back key is continuously changed.
  • FIG. 6 is a time chart showing a control method when the back key blinks.
  • FIG. 7 is a time chart showing a control method when the back key illumination color continuously changes in seven colors. It is a bird.
  • FIG. 8 is a schematic diagram showing a control method in the case of repeating a lighting pattern with a back key.
  • Fig. 9 is an example of the illumination color setting screen for the back key.
  • FIG. 10 is a table showing an example of various functions executed by pressing the back key.
  • FIG. 11 is a block diagram schematically showing an example of a hardware configuration of a mobile phone based on a conventional technique.
  • FIG. 12 is a circuit diagram showing a conventional sub-LCD and rear key illumination control. BEST MODE FOR CARRYING OUT THE INVENTION
  • a foldable mobile phone provided with a sub LCD on the back and a back key for switching the display of the sub LCD and the like is used to control the lighting (illumination) of the sub LCD and the lighting of the back key (illumination).
  • the control port is common, and simultaneous control is performed.
  • This is a device that can control the sub LCD only by the number of control ports on the rear keys.
  • the back key when the back key is lit (illuminated), the sub LCD is always lit regardless of the lighting color, and when the back key is turned off, the sub LCD is also turned off. Configuration.
  • the back key is illuminated by the LED light, and the sub-CD is illuminated by the backlight of the sub-LCD.
  • FIG. 1 is a diagram showing an example of the appearance of such a foldable mobile phone 20.
  • FIG. 1 (a) is an external view when the foldable mobile phone 20 is opened, and is provided with a main LCD 21 which is a main display screen.
  • FIG. 1 (b) is an external view of the back surface of the foldable mobile phone 20 when the foldable mobile phone 20 is folded, and a back LCD 22 and a sub LCD 23 are provided in the vicinity thereof.
  • the back key 22 is not only lit and blinking as described above, but also can be used to switch the display on the sub LCD 23 or start memo recording by pressing. Can be.
  • FIG. 2 is a block diagram schematically illustrating an example of a hardware configuration of foldable mobile phone 20 (hereinafter, mobile phone 20) according to the embodiment of the present invention.
  • a wireless transmission / reception unit 2 having an antenna 1, a baseband processing unit 3, an input operation unit 5 for a user to input a telephone number and information by key operation, a registration unit 6a and a history unit 6
  • a memory 6 having b and a display unit 7 are connected to the control unit 4, and a speaker 10 and a microphone 11 are connected to the control unit 4 via an interface (IF) 9.
  • the display unit 7 includes a main LCD display unit 7a for performing display on the main LCD 21 in FIG. 1 and a sub LCD display unit 7b for performing display on the sub LCD 23 in FIG.
  • the display units 7 a and 7 b are connected and are controlled by the display unit 7.
  • a sub LCDZ rear key illuminating section 8 for simultaneously controlling both the function of illuminating the sub LCD 23 and the function of illuminating the rear key 22 without separately providing the function is provided.
  • the sub-LCD / rear key illumination unit 8 is connected to the control unit 4.
  • FIG. 3 is a circuit diagram showing illumination control of the sub LCD 23 and the rear key 22 by the control unit 4 and the sub LCDZ rear key illumination unit 8 in FIG.
  • the LEDs used for the rear panel 22 are three colors of RGB, and a combination of these three colors enables emission of seven colors.
  • the sub LCD / rear key illumination section 8 in Fig. 3 has a rear key LED (R) 80r, which is an R LED, and a current limiting element for illuminating the rear key 22.
  • R rear key LED
  • Each switching element is connected to the LED (R) output port 4r, LED (G) output port 4g, and LED (B) output port 4b of the control unit 4. The output of control pulses from these ports Turns on, and current flows from the power supply to the LED corresponding to each port to emit light.
  • the configuration for illuminating the sub LCD 23 includes a sub LCD LED 8 3, a current limiting element 84, and a switching element 85.
  • OR circuits 86, 87 for ORing control signals output from the respective LED output ports of the control unit 4 are provided. I have.
  • the switching element 85 is turned on and off by the result of the logical sum of the OR circuits 86 and 87. As is clear from this circuit diagram, if any of the switching elements 82 of the rear key LEDs 81r, 81g, and 81b is turned on by a control signal from the control unit 4, the switching of the sub LCD LED 83 is performed.
  • the element 85 is turned on. That is, while the back key 22 is lit, the sub LCD 23 is also lit.
  • FIG. 4 shows a correspondence table between the combinations of the output ports 4b, 4g, and 4r for the RGB three-color LED and the coloring.
  • the rear key 22 turns off when all the RGB output ports are turned off, and the rear key 22 lights white when all the RGB output ports are turned on.
  • blue, green, red, light blue, purple, and yellow can be developed in addition to white.
  • FIG. 5 shows the output ports for each LED in the control unit 4 when the illumination color of the rear key 22 continuously changes to “red-blue-yellow-light blue” based on the correspondence table of FIG.
  • FIG. 9 is a diagram showing details of control on ports 4b, 4g, and 4r in a time chart.
  • the time between (3)-(4), (5)-(6), (7)-(8) is the time (change point) during which the previous color and the next color are overlapped.
  • the section 4 performs high-speed control so that the user of the mobile phone 20 does not become aware of the change point.
  • any of the three LED output ports 4b, 4g, and 4r is set to ⁇ N. Is always ON, and the sub LCD 23 can keep lighting.
  • FIG. 6 shows the output ports 4 b, 4 g, and 4 g for each LED in the control unit 4 when the rear key 22 flashes in a set color, for example, when a voice call arrives from the mobile phone 20 or when the alarm timer is activated.
  • FIG. 4 is a diagram showing details of control for 4r in a time chart. In the present embodiment, the user can arbitrarily set the illumination color of the back key 22 and the control unit 4 controls each LED output port according to the setting.
  • FIG. 7 is a time chart showing a control method in the case where the illumination color of the back key 22 is continuously changed every seven seconds in seven colors, for example, during a call of the mobile phone 20 or the like.
  • control unit 4 When a call is started, the control unit 4 turns on all the LED output ports (red: 1, green: 1, blue: 1) so that the rear key 22 is colored white. Maintain this state for 2 s.
  • FIG. 8 is a time chart showing an example of such a pattern repetition.
  • pattern 1 is composed of a set color of 400 ms, a white color of 200 ms, and a set color of 400 ms, and this configuration is repeated. This process can be realized by using the pseudo blinking control method shown in FIG.
  • Such blinking and color change patterns may be preset in the mobile phone 20 or may be arbitrarily set by the user on the mobile phone 20.
  • the embodiment of the present invention has a function that allows the user to arbitrarily set the blinking color when controlling blinking when receiving a voice call, wake-up, receiving a mail, or the like.
  • FIG. 9 is a display example of a setting screen for allowing the user to arbitrarily set the illumination color of the back key 22. The user can selectively set the emission color from the seven emission colors, and the control unit 4 controls ON / OFF of each LED output port based on the set color.
  • a back light setting screen 101 is displayed. This The color currently set in the item to be set is displayed on the screen. The user selects the item to be set and sets the color. Select “Voice Incoming” to set the color for incoming voice calls.
  • a color arrangement selection screen 102 is displayed. On this screen, select and set the desired color. Immediately after the color selection screen 102 is displayed, the currently set color is displayed inverted. In the figure, “blue” is inverted as the currently selected color. The user inverts the color to be newly set by operating the keys of the mobile phone 20 and determines the color. As a result, the color set for the incoming voice call is set.
  • FIG. 10 shows an example of various functions executed by pressing the back key 22 in the mobile phone 20 according to the embodiment of the present invention.
  • the function executed differs depending on the open / close state and the operation state of the mobile phone 20. For example, when the back key 22 is short-pressed while the mobile phone 20 is closed and in a standby state, the display of the sub LCD 23 is switched, and when the key is long-pressed, an inquiry for an incoming mail is performed.
  • the rear keys are illuminated by LEDs of three colors of RGB, but of course, the keys may be illuminated by two colors of LEDs, and the number is not limited.
  • the blinking time and the order of the change of the illumination color, or the timing, etc., described above are examples of implementing the present invention, and the user can arbitrarily set the illumination mode.
  • the present invention may be set in advance in the mobile phone main body, and may be appropriately applied without departing from the spirit of the present invention.
  • the lighting control in the mobile phone has been described. However, it is needless to say that the present invention is not limited to the mobile phone, but can be applied to, for example, a PDA or another computer device. . Industrial applicability
  • the sub LCD provided on the back of the mobile phone and the back key are controlled simultaneously using the same control port.
  • the configuration can be simplified, and the cost of the lighting device can be reduced. Therefore, even when the number of control ports is limited in the manufacture of mobile phones, it is very useful because the number of ports for controlling the illumination of the rear keys is sufficient.
  • control port to be turned on is turned on and then the control port to be turned off is turned off at each control port of the LED on the rear key, even if the illumination color of the rear key changes continuously, One of the key LEDs is always on, and the sub LCD illumination is maintained without interruption.
  • the back key blinks it can be turned on and off in a simulated blinking state even though it is always on, by alternately emitting white light and a color other than white light. Even in the state, the lighting of the sub LCD can be maintained without interruption.
  • the number of control ports and the number of control parts can be controlled in the same manner as before using a mobile phone, PDA or computer device. Etc. can be configured.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Function (AREA)
  • Telephone Set Structure (AREA)

Abstract

L'invention concerne un téléphone mobile comportant une touche arrière (22) et un écran LCD secondaire (23). Ce téléphone mobile comprend également un premier dispositif d'éclairage qui émet différents types de premières lumières d'éclairage pour éclairer la touche arrière (22) par combinaison de l'ensemble des lumières en mettant individuellement sous tension/hors tension les diodes (DEL) de la touche arrière (80r, 80g, 80b), un second dispositif d'éclairage qui émet une lumière d'éclairage pour le LCD secondaire (23) via une des DEL du LCD secondaire, et enfin, une unité de commande (4) qui commande la mise sous tension/hors tension des diodes (DEL) (80r, 80g, 80b) de la touche arrière et qui met sous tension la diode (DEL) (83) du LCD secondaire pour que celle-ci émette la lumière lorsqu'au moins une des diodes (DEL) (80r, 80g, 80b) de la touche arrière est mise sous tension pour émettre la lumière.
PCT/JP2001/006444 2001-07-26 2001-07-26 Dispositif d'eclairage et dispositif monte dans un calculateur WO2003013193A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/JP2001/006444 WO2003013193A1 (fr) 2001-07-26 2001-07-26 Dispositif d'eclairage et dispositif monte dans un calculateur
JP2003518232A JP4615216B2 (ja) 2001-07-26 2001-07-26 照明装置及びコンピュータ搭載装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2001/006444 WO2003013193A1 (fr) 2001-07-26 2001-07-26 Dispositif d'eclairage et dispositif monte dans un calculateur

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WO2003013193A1 true WO2003013193A1 (fr) 2003-02-13

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7159987B2 (en) 2003-04-21 2007-01-09 Seiko Epson Corporation Display device, lighting device and projector
JP2012129004A (ja) * 2010-12-14 2012-07-05 Omron Corp 表示装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1146383A (ja) * 1997-07-24 1999-02-16 Sony Corp 携帯無線通信端末
JP2001053838A (ja) * 1999-08-10 2001-02-23 Nec Saitama Ltd 折り畳み型携帯電話装置の圏内外表示システム及び方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3415510B2 (ja) * 1999-09-29 2003-06-09 埼玉日本電気株式会社 着信多色ｌｅｄ付き携帯電話機の電力消費低減システム及び方法
JP3296803B2 (ja) * 1999-10-07 2002-07-02 三洋電機株式会社 電話装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1146383A (ja) * 1997-07-24 1999-02-16 Sony Corp 携帯無線通信端末
JP2001053838A (ja) * 1999-08-10 2001-02-23 Nec Saitama Ltd 折り畳み型携帯電話装置の圏内外表示システム及び方法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7159987B2 (en) 2003-04-21 2007-01-09 Seiko Epson Corporation Display device, lighting device and projector
US7270427B2 (en) 2003-04-21 2007-09-18 Seiko Epson Corporation Display device, lighting device and projector
US7325932B2 (en) 2003-04-21 2008-02-05 Seiko Epson Corporation Display device, lighting device and projector
JP2012129004A (ja) * 2010-12-14 2012-07-05 Omron Corp 表示装置

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JP4615216B2 (ja) 2011-01-19

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