WO2011102222A1 - 端末装置および照明制御方法 - Google Patents
端末装置および照明制御方法 Download PDFInfo
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- WO2011102222A1 WO2011102222A1 PCT/JP2011/052138 JP2011052138W WO2011102222A1 WO 2011102222 A1 WO2011102222 A1 WO 2011102222A1 JP 2011052138 W JP2011052138 W JP 2011052138W WO 2011102222 A1 WO2011102222 A1 WO 2011102222A1
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- unit
- brightness
- lcd
- terminal device
- illumination
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
- G06F3/1431—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display using a single graphics controller
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/325—Power saving in peripheral device
- G06F1/3265—Power saving in display device
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/10—Intensity circuits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
- H04W52/0267—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by controlling user interface components
- H04W52/027—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by controlling user interface components by controlling a display operation or backlight unit
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
- H05B47/115—Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0613—The adjustment depending on the type of the information to be displayed
- G09G2320/062—Adjustment of illumination source parameters
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0626—Adjustment of display parameters for control of overall brightness
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/02—Details of power systems and of start or stop of display operation
- G09G2330/021—Power management, e.g. power saving
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/02—Details of power systems and of start or stop of display operation
- G09G2330/021—Power management, e.g. power saving
- G09G2330/022—Power management, e.g. power saving in absence of operation, e.g. no data being entered during a predetermined time
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/02—Details of power systems and of start or stop of display operation
- G09G2330/021—Power management, e.g. power saving
- G09G2330/023—Power management, e.g. power saving using energy recovery or conservation
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/02—Details of power systems and of start or stop of display operation
- G09G2330/026—Arrangements or methods related to booting a display
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Definitions
- the present invention relates to a terminal device and a lighting control method capable of controlling the brightness of a display screen.
- power consumption is reduced by turning off the backlight of the display screen when the terminal device has not been used for a long time.
- the backlight is turned on, and the user can check information displayed on the display screen or use an application.
- Patent Document 1 As a lighting technique related to a backlight lighting method, there is a screen display processing device described in Patent Document 1.
- the screen display processing apparatus two housings are attached so as to be openable and closable.
- the image display processing device reduces the light amount of the backlight when the opening / closing angle of the two casings is small, and increases the light amount of the backlight when the opening / closing angle is large.
- the opening / closing angle of the housing is reduced, and when the application is used, the display screen is illuminated with more brightness than necessary if the opening / closing angle of the housing is increased. Can be suppressed, and power consumption can be reduced.
- the user When using an application, the user usually needs to look at the display screen on which the application is displayed for a long time. If the display screen is not bright enough, the user may find it difficult to use the application. . On the other hand, when simply confirming the display information, the user does not need to look at the display screen for a long time, so the display screen may be darker than when the application is used.
- a terminal device having a plurality of display screens is known.
- the display information may be different for each display screen, when the backlight is turned off, the user may not know which information is displayed on which display screen.
- the user in order to use the application, the user confirms information displayed on each display screen, and then specifies a display screen on which information generated by the application to be used is displayed. Then, the user uses the application while viewing the specified display screen.
- Patent Document 1 When the technology described in Patent Document 1 is applied to a terminal device having a plurality of display screens, when the application is used, if the opening / closing angle of the casing is increased, all display screens are bright enough to use the application. Illuminated. Therefore, since the display screen other than the display screen that the user views to use the application has a brightness higher than necessary, there is a problem that power consumption is large.
- An object of the present invention is to provide a terminal device and a lighting control method that solve at least one of the above problems.
- an illumination unit capable of individually illuminating each of the plurality of display units, an operation unit, and the operation unit.
- the illumination control method of the present invention is an illumination control method for a terminal device having a plurality of display units, an illumination unit capable of individually illuminating each of the plurality of display units, and an operation unit,
- the illumination unit is caused to illuminate at least one of the plurality of display units with a first brightness, and any of the plurality of display units with respect to the operation unit is performed.
- the selection operation for selecting is performed and the display unit selected by the selection operation is illuminated with the first brightness
- the display unit selected by the selection operation is placed on the illumination unit. Illuminate with a second brightness that is brighter than the first brightness.
- power consumption can be reduced in a terminal device having a plurality of screens.
- FIG. 1 is a block diagram showing the configuration of the terminal device according to the first embodiment of the present invention.
- the terminal device 100 includes LCDs (Liquid Crystal Display) 101 and 102, an LCD control unit 103, an operation unit 104, and a control unit 105.
- LCDs Liquid Crystal Display
- LCD control unit 103 LCD control unit
- operation unit 104 operation unit
- control unit 105 control unit
- the LCDs 101 and 102 are sometimes called display units. Note that the number of LCDs is only two in FIG.
- the LCD control unit 103 is sometimes called an illumination unit.
- the LCD control unit 103 has a light source such as a backlight, for example, and individually illuminates the LCDs 101 and 102 using the light source.
- the operation unit 104 is operated by a user of the terminal device.
- the operation unit 104 is, for example, a hard key.
- Control unit 105 controls LCD control unit 103 to adjust the brightness of LCDs 101 and 102.
- control unit 105 when a predetermined operation is performed on the operation unit 104, the control unit 105 causes the LCD control unit 103 to illuminate at least one of the LCDs 101 and 102 with the first brightness.
- the predetermined operations include a first predetermined operation for selecting all of the LCDs 101 and 102 and a second predetermined operation for selecting one of the LCDs 101 and 102.
- the LCD control unit 103 illuminates all the LCDs 101 and 102 with the first brightness
- the second predetermined operation is performed. Only the LCD selected in (1) is illuminated with the first brightness.
- the control unit 105 causes the LCD selected by the selection operation to be illuminated with the second brightness.
- the first brightness is a brightness at which information displayed on the LCDs 101 and 102 can be confirmed.
- the second brightness is a brightness that allows easy use of an application that generates information displayed on the LCDs 101 and 102, and is brighter than the first brightness.
- the LCD control unit 103 When the control unit 105 illuminates the LCD, the LCD control unit 103 turns off the LCD after a predetermined time regardless of whether the LCD has the first brightness or the second brightness. Also good. At this time, if the LCD is illuminated with the first brightness, the user only needs to be able to confirm the information displayed on the LCD. Therefore, during the period when the LCD is illuminated with the first brightness, the LCD is in the first brightness. It may be shorter than the period illuminated with the second brightness.
- control unit 105 may perform the above processing only when the power stored in the battery is less than a predetermined threshold.
- the control unit 105 may cause the LCD control unit 103 to illuminate both the LCDs 101 and 102 with the second brightness when a predetermined operation is performed. .
- FIG. 2 is a flowchart for explaining an example of the operation of the terminal device of this embodiment.
- the LCD control unit 103 stops lighting the LCDs 101 and 102.
- step S ⁇ b> 201 the control unit 105 monitors an operation on the operation unit 104 from the user and confirms whether a predetermined operation has been performed on the operation unit 104.
- the control unit 105 executes step S201 when the predetermined operation is not performed, and executes step S202 when the predetermined operation is performed.
- step S202 the control unit 105 causes the LCD control unit 103 to illuminate at least one of the LCDs 101 and 102 with the first brightness. Thereafter, the control unit 105 executes Step S203.
- step S ⁇ b> 203 the control unit 105 monitors an operation on the operation unit 104 from the user and confirms whether or not a selection operation has been performed on the operation unit 104.
- the control unit 105 executes step S204 when the selection operation is performed, and executes step S203 when the selection operation is not performed.
- step S204 when the LCD selected by the selection operation is illuminated with the first brightness, the control unit 105 causes the LCD control unit 103 to illuminate the LCD with the second brightness.
- control unit 105 causes both LCDs to illuminate with the second brightness.
- the control unit 105 when a predetermined operation is performed on the operation unit 104, the control unit 105 causes the LCD control unit 103 to illuminate at least one of the LCDs 101 and 102 with the first brightness. Thereafter, when the selection operation for selecting one of the LCDs 101 and 102 is performed on the operation unit 104, and the selected LCD is illuminated with the first brightness, the control unit 105 displays the LCD control unit 103. In addition, the LCD selected by the selection operation is illuminated with a second brightness higher than the first brightness.
- the LCDs 101 and 102 when a predetermined operation is performed, at least one of the LCDs 101 and 102 is illuminated with the first brightness. Thereafter, when the LCD selected by the selection operation is illuminated with the first brightness, the LCD is illuminated with the second brightness that is brighter than the first brightness.
- the user confirms the application displayed on the LCD with the first brightness and selects the LCD to be viewed to use the application by performing a selection operation, other than the LCD to be viewed to use the application.
- the brightness of the LCD can be made lower than the first brightness. For this reason, if the first brightness and the second brightness are appropriately adjusted, it is possible to prevent an LCD other than the LCD to be viewed to use the application from becoming unnecessarily bright. It becomes possible to reduce electric power.
- FIG. 3 is a block diagram showing the configuration of the terminal device of this embodiment.
- the terminal device 100 includes LCDs 101 and 102, an LCD control unit 103, a control unit 105, touch panels 106 and 107, a power supply 108, and a power supply control unit 109.
- the LCD control unit 103 includes backlights 111 and 112 and an LCD driver 113.
- Backlights 111 and 112 are light sources that illuminate the LCDs 101 and 102. In the following description, it is assumed that the backlight 111 illuminates the LCD 101 and the backlight 112 illuminates the LCD 102.
- the LCD driver 113 displays information generated by an application program executed by the terminal device or an OS (Operating System) on the LCDs 101 and 102.
- the LCD driver can display different information on each of the LCDs 101 and 102.
- the LCD driver 113 controls the lighting of the backlights 111 and 112 to adjust the brightness of the LCDs 101 and 102.
- the first brightness is half of the second brightness.
- the LCD driver 113 performs backlight 111 for half lighting that illuminates the LCD with the first brightness, full lighting that illuminates the LCD with the second brightness, and extinguishing that stops the illumination to the LCD.
- the brightness of the LCDs 101 and 102 is individually adjusted.
- the LCD driver 113 generates state information indicating the illumination states of the LCDs 101 and 102 every time the brightness of the LCDs 101 and 102 is adjusted.
- the illumination state includes a half lighting state in which illumination is performed at the first brightness, a full lighting state in which illumination is performed at the second brightness, and an unlighting state in which the illumination is stopped.
- Touch panels 106 and 107 are included in the operation unit 104 shown in FIG. In addition, touch panels 106 and 107 are provided in LCDs 101 and 102, respectively. Hereinafter, it is assumed that the touch panel 106 is provided in the LCD 101 and the touch panel 107 is provided in the LCD 102.
- Touch panels 106 and 107 detect whether or not a touch operation has been performed by the user. Note that the touch operation is an operation of touching the touch panel 106 or 107.
- the touch panels 106 and 107 transmit event information, which is a touch operation detection signal, to the control unit 105 via the LCD driver 113 while detecting a touch operation from the user.
- event information includes position information indicating the contact position on the touch panels 106 and 107 and identification information indicating the touch panel where the touch operation is performed.
- the power source 108 can store power for operating the terminal device 100.
- the power supply control unit 109 controls the power supply 108 to supply power to each unit of the terminal device 100. Further, the power supply control unit 109 periodically measures the remaining amount of power stored in the power supply 108 and generates remaining amount information indicating the measured remaining amount of power.
- the control unit 105 controls the LCD control unit 103 based on the event information from the touch panels 106 and 107, the remaining amount of power measured by the power control unit 109, and the status information generated by the LCD driver 113. To control the brightness of the LCDs 101 and 102.
- control unit 105 determines whether or not the illumination states of the LCDs 101 and 102 indicated by the state information are both turned off. Control unit 105 starts adjustment processing for adjusting the brightness of LCDs 101 and 102 when both of the illumination states indicate the off state.
- the control unit 105 confirms whether or not a predetermined operation has been performed based on the event information.
- the control unit 105 determines whether the first predetermined operation for selecting all of the LCDs 101 and 102 has been performed as the predetermined operation based on the event information, It is determined whether or not a second predetermined operation for selecting is performed.
- the control unit 105 When a predetermined operation is performed, the control unit 105 causes the LCD control unit 103 to illuminate at least one of the LCDs 101 and 102 with the second brightness when the remaining amount of power is equal to or greater than a predetermined threshold. . More specifically, when the first predetermined operation is performed as the predetermined operation, the control unit 105 causes the LCD control unit 103 to illuminate all of the LCDs 101 and 102 with the second brightness. When the second predetermined operation is performed as the predetermined operation, the control unit 105 causes the LCD control unit 103 to illuminate the LCD selected by the second predetermined operation with the second brightness.
- the control unit 105 causes the LCD control unit 103 to illuminate at least one of the LCDs 101 and 102 with the first brightness. More specifically, when the first predetermined operation is performed as the predetermined operation, the control unit 105 causes the LCD control unit 103 to illuminate all of the LCDs 101 and 102 with the first brightness. When the second predetermined operation is performed as the predetermined operation, the control unit 105 causes the LCD control unit 103 to illuminate the LCD selected by the second predetermined operation with the first brightness.
- the control unit 105 determines whether a selection operation has been performed on the touch panels 106 and 107 based on the event information.
- control unit 105 causes the LCD control unit 103 to transmit all the information to the LCDs 101 and 102. Stop lighting.
- control unit 105 determines whether the LCD selected by the selection operation is illuminated with the first brightness. Determine whether.
- the control unit 105 When the selected LCD is illuminated with the first brightness, the control unit 105 causes the LCD control unit 103 to illuminate the LCD with the second brightness. On the other hand, when the illumination on the selected LCD is stopped, the control unit 105 causes the LCD control unit 103 to illuminate the LCD with the first brightness and to illuminate the LCD other than the LCD. Stop.
- control unit 105 performs the stop process for stopping the illumination on the LCDs other than the LCD selected by the selection operation, but omits the stop process and makes the selected LCD have the first brightness. Just illuminate with. Further, the control unit 105 may cause the LCD control unit 103 to illuminate the LCD selected by the selection operation with the second brightness. In this case, it is possible to reduce the burden on the user's operation.
- control unit 105 includes an information acquisition unit 121, an event reception unit 122, and a backlight control determination unit 123, and each unit implements the following functions.
- the information acquisition unit 121 acquires remaining amount information from the power supply control unit 109 and acquires state information from the LCD driver 113.
- the event receiving unit 122 receives event information from the touch panels 106 and 107.
- the event receiving unit 122 starts receiving event information, if both of the illumination states of the LCDs 101 and 102 indicated by the state information acquired by the information acquiring unit 121 are off, the backlight control determining unit 123 Then, an adjustment process for adjusting the brightness of the LCDs 101 and 102 is started.
- the backlight control determination unit 123 determines whether a predetermined operation has been performed on the touch panels 106 and 107 based on the event information received by the event reception unit 122.
- the predetermined operation is a click operation.
- the backlight control determination unit 123 determines that a click operation, which is a predetermined operation, has been performed when the event reception unit 122 finishes receiving the event information without moving the contact position indicated by the event information.
- the backlight control determination unit 123 determines that the double-click operation is performed as the click operation, and clicks twice within the reference time. If no operation has been performed, it is determined that a single click operation has been performed as a click operation.
- the double click operation is a first predetermined operation
- the single click operation is a second predetermined operation.
- the LCD selected by the single click operation is an LCD including a touch panel on which the single click operation is performed.
- the backlight control determination unit 123 determines whether or not the remaining amount of power indicated by the remaining amount information acquired by the information acquisition unit 121 is less than a threshold value.
- the backlight control determination unit 123 causes the LCD driver 113 to turn on at least one of the backlights 111 and 112 and turn at least one of the LCDs 101 and 102 to the second. Illuminate with brightness.
- the backlight control determination unit 123 causes the LCD driver 113 to turn on only the backlight of the LCD including the touch panel on which the single click operation is performed. Only the LCD is illuminated with the second brightness.
- the backlight control determination unit 123 causes the LCD driver 113 to turn on both the backlights 111 and 112 and turn both the LCDs 101 and 102 to the second brightness. Let's illuminate.
- the backlight control determination unit 123 causes the LCD driver 113 to half-light at least one of the backlights 111 and 112, and turns on at least one of the LCDs 101 and 102 to the first. Illuminate with brightness.
- the backlight control determination unit 123 causes the LCD driver 113 to half-light only the backlight of the LCD including the touch panel on which the single click operation is performed. Only the LCD is illuminated with the first brightness.
- the backlight control determination unit 123 causes the LCD driver 113 to turn on both the backlights 111 and 112 in half and turn both the LCDs 101 and 102 to the first brightness. Let's illuminate.
- the backlight control determination unit 123 monitors the event reception unit 122 and determines whether a selection operation has been performed on the touch panels 106 and 107. Determine whether. In the following, it is assumed that the selection operation is a touch operation. In this case, the backlight control determination unit 123 determines that the selection operation has been performed when the event reception unit 122 receives the event information.
- the LCD selected by the touch operation is an LCD including a touch panel on which the touch operation is performed.
- the backlight control determination unit 123 sends the backlights 111 and 112 to the LCD driver 113. Both are turned off to stop all illumination on the LCDs 101 and 102.
- the backlight control determination unit 123 first illuminates the LCD including the touch panel on which the touch operation is performed. If the LCD driver 113 is illuminated with the brightness of, the LCD driver 113 is caused to turn on only the backlight of the LCD and illuminate the LCD with the second brightness.
- the backlight control determination unit 123 causes the LCD driver 113 to turn on the backlight of the LCD halfway, and the LCD Is illuminated with the first brightness.
- the backlight control determination unit 123 may illuminate the LCD with the first brightness, turn off the backlight of the LCD other than the LCD, and stop the illumination on the LCD other than the LCD. .
- the backlight control determination unit 123 sends the backlight 111 and the backlight 111 to the LCD driver 113. Both of the lights 112 may be turned off to stop all illumination on the LCDs 101 and 102.
- the LCD is illuminated at the second brightness
- the user is looking at the LCD to use the application, but if the LCD is illuminated at the first brightness, the user displays I am looking at the LCD to check the contents.
- the lighting period in which the LCD is illuminated with the first brightness may be shorter than the lighting period in which the LCD is illuminated with the second brightness. In this case, it is possible to reduce power consumption due to an increase in lighting time.
- FIG. 4 is a flowchart for explaining the operation until the terminal device starts the adjustment process.
- step S401 the backlight control determination unit 123 monitors whether the event reception unit 122 has received event information.
- the backlight control determination unit 123 executes step S401 when the event reception unit 122 has not received event information, and executes step S402 when the event reception unit 122 receives event information.
- step S ⁇ b> 402 the backlight control determination unit 123 transmits an operation command to the information acquisition unit 121.
- the information acquisition unit 121 acquires remaining amount information from the power supply control unit 109 and acquires state information from the LCD driver 113.
- the information acquisition unit 121 transmits the remaining amount information and state information to the backlight control determination unit 123.
- the backlight control determination unit 123 executes Step S403.
- step S403 the backlight control determination unit 123 determines whether or not both of the illumination states of the LCDs 101 and 102 indicated by the state information are off.
- the backlight control determination unit 123 starts the adjustment process when both of the illumination states are off, and ends the process when both of the illumination states are not off.
- FIG. 5 is a flowchart for explaining an example of the operation of the terminal device during the adjustment process.
- step S501 the backlight control determination unit 123 determines whether or not a click operation has been performed on at least one of the touch panels 106 and 107 based on the event information received by the event reception unit 122 in step S401 of FIG. Judging.
- the backlight control determination unit 123 confirms whether or not the reception of the event information has ended without moving the contact position indicated by the event information. Then, the backlight control determination unit 123 determines that the click operation has been performed when the reception of the event information is completed without moving the contact position, and the click operation has not been performed when the contact position has moved. to decide.
- the backlight control determination unit 123 executes step S515 when the click operation is not performed, and executes step S502 when the click operation is performed.
- step S502 the backlight control determination unit 123 determines whether or not the remaining amount of power indicated by the remaining amount information received in step S402 in FIG. 4 is less than a threshold value.
- the backlight control determination unit 123 executes step S503 when the remaining amount of power is equal to or greater than the threshold, and executes step S506 when the remaining amount of power is less than the threshold.
- step S503 the backlight control determination unit 123 confirms whether the click operation is a single click operation or a double click operation.
- the backlight control determination unit 123 executes step S504 if the click operation is a double-click operation, and executes step S505 if the click operation is a single-click operation.
- step S504 the backlight control determination unit 123 generates a first control signal and a second control signal indicating full lighting.
- the first control signal is a signal for controlling the lighting of the backlight 111
- the second control signal is a signal for controlling the lighting of the backlight 112.
- the backlight control determination unit 123 transmits the generated first control signal and second control signal to the LCD driver 113.
- the LCD driver 113 Upon receiving the first control signal and the second control signal, the LCD driver 113 turns on both the backlights 111 and 112 and illuminates all the LCDs 101 and 102 with the second brightness. Thereby, the adjustment process is terminated.
- step S505 the backlight control determination unit 123 confirms the identification information in the event information received by the event reception unit 122 in step S401 of FIG.
- the backlight control determination unit 123 is configured to illuminate the LCD 101 including the touch panel (hereinafter referred to as the touch panel 106) indicated by the confirmed identification information with the second brightness, A second control signal indicating turning off is generated.
- the backlight control determination unit 123 transmits the first control signal and the second control signal to the LCD driver 113.
- the LCD driver 113 Upon receiving the first control signal and the second control signal, the LCD driver 113 turns on the backlight 111 completely and turns off the backlight 112 to illuminate only the LCD 101 with the second brightness. Thereby, the adjustment process ends.
- step S506 the backlight control determination unit 123 confirms whether the click operation is a single click operation or a double click operation.
- the backlight control determination unit 123 executes Step S507 when the click operation is a double-click operation, and executes Step S510 when the click operation is a single-click operation.
- step S507 the backlight control determination unit 123 generates a first control signal and a second control signal indicating half lighting, and transmits the first control signal and the second control signal to the LCD driver 113.
- the LCD driver 113 receives the first control signal and the second control signal, the backlights 111 and 112 are turned on in half and the LCDs 101 and 102 are illuminated with the first brightness.
- the backlight control determination part 123 will perform step S508, if a 1st control signal and a 2nd control signal are transmitted.
- step S508 the backlight control determination unit 123 confirms whether the event reception unit 122 has received the event information within a predetermined time, and a touch operation is performed on at least one of the touch panels 106 and 107. It is determined whether or not.
- the backlight control determination unit 123 determines that the touch operation has been performed when the event information is received within the predetermined time, and executes step S509. If the event information is not received within the predetermined time, the touch operation is performed. If it is determined that it has not been performed, step 515 is executed.
- step S509 the backlight control determination unit 123 confirms the identification information in the event information received by the event reception unit 122 in step S508.
- the backlight control determination unit 123 generates a first control signal indicating full lighting in order to illuminate the LCD 101 having the touch panel (hereinafter referred to as the touch panel 106) indicated by the confirmed identification information with the second brightness. To do.
- the backlight control determination unit 123 transmits the first control signal to the LCD driver 113.
- the LCD driver 113 Upon receiving the first control signal, the LCD driver 113 turns on the backlight 111 and illuminates the LCD 101 with the second brightness.
- the backlight control determination unit 123 may illuminate the LCD 102 including the touch panel 107 with the first brightness, or may stop the illumination on the LCD 102.
- the backlight control determination unit 123 When the LCD 102 is illuminated with the first brightness, the backlight control determination unit 123 generates a second control signal indicating half lighting, and transmits the second control signal to the LCD driver 113. Upon receiving the second control signal, the LCD driver 113 turns on the backlight 112 in half and illuminates the LCD 102 with the first brightness.
- the backlight control determination unit 123 when the illumination on the LCD 102 is stopped, the backlight control determination unit 123 generates a second control signal indicating turning off, and transmits the second control signal to the LCD driver 113. Upon receiving the second control signal, the LCD driver 113 turns off the backlight 112 and stops the illumination on the LCD 102.
- the backlight control determination unit 123 may transmit a second control signal indicating turning off to the LCD driver 113 after a certain period of time has elapsed after transmitting the first control signal.
- the backlight control determination unit 123 may transmit a second control signal indicating extinction to the LCD driver 113 after a certain period of time has elapsed after transmitting the second control signal indicating half lighting.
- step S510 the backlight control determination unit 123 confirms the identification information in the event information received by the event reception unit 122 in step S401 of FIG.
- the backlight control determination unit 123 generates a first control signal indicating half lighting in order to illuminate the LCD 101 including the touch panel 106 that is the touch panel indicated by the confirmed identification information with the first brightness.
- the backlight control determination unit 123 transmits the first control signal to the LCD driver 113.
- the LCD driver 113 receives the first control signal
- the LCD 111 turns on the backlight 111 and illuminates only the LCD 101 with the first brightness.
- the backlight control determination part 123 will perform step S511, if a 1st control signal is transmitted.
- step S511 the backlight control determination unit 123 confirms whether the event reception unit 122 has received the event information within a predetermined time, and a touch operation is performed on at least one of the touch panels 106 and 107. It is determined whether or not.
- Step S512 determines that a touch operation has been performed, and executes Step S512. If the event information is not received within the predetermined time, Step S515 is performed. Execute.
- step S512 the backlight control determination unit 123 transmits a state information acquisition command to the information acquisition unit 121.
- the information acquisition unit 121 acquires state information from the LCD driver 113 and transmits the state information to the backlight control determination unit 123.
- the backlight control determination unit 123 determines whether the LCD having the touch panel indicated by the identification information in the event information received in step S511 is in a half-lit state based on the state information. .
- the backlight control determination unit 123 executes step S513 when the LCD is in the half-lit state, and executes step S514 when the LCD is not in the half-lit state.
- step S513 in order to illuminate the half-lit LCD (hereinafter referred to as LCD 101) with the second brightness, the backlight control determination unit 123 performs a first control signal indicating full lighting and a first control indicating light extinction. Two control signals are generated.
- the backlight control determination unit 123 transmits the first control signal and the second control signal to the LCD driver 113.
- the LCD driver 113 Upon receiving the first control signal and the second control signal, the LCD driver 113 turns on the backlight 111 and turns off the backlight 112 to illuminate the LCD 101 with the second brightness. Thereby, the adjustment process ends.
- the timing of stopping the illumination on the LCD 102 in step S513 may be immediately after the LCD 101 is illuminated with the second brightness, or even after a certain period of time has elapsed after the LCD 101 is illuminated with the second brightness. Good. Further, the backlight control determination unit 123 may omit the process of stopping the illumination on the LCD 102.
- step S514 the backlight control determination unit 123 performs the first control indicating turning off in order to illuminate the LCD (hereinafter referred to as the LCD 102) including the touch panel indicated by the identification information in the event information with the first brightness. A signal and a second control signal indicating half lighting are generated.
- the backlight control determination unit 123 transmits the first control signal and the second control signal to the LCD driver 113.
- the LCD driver 113 receives the first control signal and the second control signal
- the LCD 111 turns off the backlight 111 and turns on the backlight 112 to illuminate only the LCD 102 with the first brightness.
- the backlight control determination part 123 will perform step 510, if a 1st control signal and a 2nd control signal are transmitted.
- the timing of stopping the illumination on the LCD 101 in step S513 may be immediately after the LCD 101 is illuminated with the second brightness, or even after a certain period of time has elapsed after the LCD 102 is illuminated with the second brightness. Good. Further, the backlight control determination unit 123 may omit the process of stopping the illumination on the LCD 101.
- step S515 the backlight control determination unit 123 generates a first control signal and a second control signal indicating turn-off in order to turn off both the LCDs 101 and 102.
- the backlight control determination unit 123 transmits the first control signal and the second control signal to the LCD driver 113.
- the LCD driver 113 receives the first control signal and the second control signal, the LCD driver 113 turns off the backlights 111 and 112 and stops the illumination on both the LCDs 101 and 111. Thereby, the adjustment process ends.
- the control unit 105 when the first predetermined operation for selecting all of the LCDs 101 and 102 is performed as the predetermined operation, the control unit 105 causes the LCD control unit 103 to set all of the LCDs 101 and 102 to the first. Illuminate with brightness.
- the control unit 105 when a second predetermined operation for selecting one of the LCDs 101 and 102 is performed as the predetermined operation, the control unit 105 causes the LCD control unit 103 to perform the second predetermined operation.
- the LCD selected at is illuminated with the first brightness.
- the first predetermined operation is a double click on the screen.
- the first predetermined operation is not limited to this, a single click on the hardware key, a double click, a long press, a short press, a touch operation on the touch panel, a flick operation, a drag operation, a difference in trajectory, an operation of shaking the terminal
- control unit 105 not only the first predetermined operation but also the second predetermined operation and selection operation, various ones that can be recognized as an operation from the user by the control unit 105 can be adopted.
- the control unit 105 when the LCD selected by the selection operation is illuminated with the first brightness, the control unit 105 causes the LCD control unit 103 to send the selected LCD to the second brightness. Illuminate with.
- control unit 105 when a plurality of LCDs illuminated with the first brightness is selected in the selection operation, the control unit 105 causes all of the selected LCDs to be illuminated with the second brightness. .
- the user confirms the LCD illuminated with the first brightness, and all the LCDs on which the information is displayed are displayed on the second LCD. Brightness can be illuminated.
- control unit 105 causes the LCD control unit 103 to turn off the LCDs other than the selected LCD when the LCD selected by the selection operation is illuminated with the first brightness.
- control unit 105 may turn off the LCD immediately after the selection operation is performed, or may turn off the LCD after a certain period of time has elapsed since the selection operation was performed.
- control unit 105 when the illumination on the LCD selected by the selection operation is stopped, the control unit 105 causes the LCD control unit 103 to illuminate the LCD with the first brightness.
- the LCDs can be checked in order.
- control unit 105 can also cause the LCD control unit 103 to illuminate the LCD with the second brightness when the illumination on the LCD selected by the selection operation is stopped. It is.
- control unit 105 causes the LCD control unit 103 to stop the illumination on LCDs other than the selected LCD when the illumination on the LCD selected by the selection operation is stopped. .
- the control unit 105 when a predetermined operation is performed, the control unit 105 causes the LCD control unit 103 to at least one of the LCDs 101 and 102 when the remaining amount of power measured by the power control unit 109 is less than the threshold value. If the remaining power level is equal to or greater than the threshold value, the LCD control unit 103 causes at least one of the LCDs 101 and 102 to be illuminated with the second brightness.
- the LCD control unit 103 is illuminated with all the lights on the LCDs 101 and 102. Stop.
- FIG. 6 is a block diagram showing the configuration of the terminal device of this embodiment.
- the terminal device 100 further includes an input unit 131 in addition to the configuration shown in FIG. 3.
- the input unit 131 is included in the operation unit 104 shown in FIG.
- the input unit 131 is an operation means different from the touch panel such as buttons and mechanical operation keys.
- the input unit 131 receives a valid instruction for validating the operation on the touch panels 106 and 107 from the user, the input unit 131 outputs the valid instruction to the backlight control determination unit 123 via the event reception unit 122.
- the backlight control determination unit 123 switches between invalidation and validity of operations on the touch panels 106 and 107 based on the state information acquired by the information acquisition unit 121.
- the backlight control determination unit 123 invalidates the operation on all of the touch panels 106 and 107, and the state information indicates that at least one of the LCDs 101 and 102 is When the lighting state is indicated, the operation on all the touch panels 106 and 107 is validated.
- the control unit 105 invalidates the operation on the touch panels 106 and 107, and the LCD control unit 103 illuminates at least one of the LCDs 101 and 102. If it is, the operation on the touch panels 106 and 107 is validated.
- the backlight control determination unit 123 may invalidate the operation on all of the touch panels 106 and 107 when the state information indicates that all of the LCDs 101 and 102 are turned off for a predetermined time or longer.
- control unit 105 may invalidate either the touch panel 106 or 107 when the illumination state indicated by the state information indicates that either of the LCDs 101 and 102 is turned off. For example, when the illumination state indicated by the state information indicates that either of the LCDs 101 and 102 is in the off state, the control unit 105 may invalidate only the touch panel provided in the off-state LCD.
- the control unit 105 validates the operation on the touch panels 106 and 107. For example, when the operation on all of the touch panels 106 and 107 is invalid and the input unit 131 accepts a valid instruction, the control unit 105 validates the operation on all of the touch panels 106 and 107. At this time, the control unit 105 may illuminate all of the LCDs 101 and 102 with the first brightness. In this case, the operation for inputting a valid instruction to the input unit 131 is also used as the first predetermined operation.
- the control unit 105 invalidates the operations on all the touch panels 106 and 107, and the LCD control unit 103 When at least one of 102 is illuminated, the operation on all touch panels 106 and 107 is enabled.
- the terminal device when the terminal device is in use, it becomes possible to validate the operation even for a touch panel that is not illuminated. Therefore, the user can improve the convenience of the user, such as being able to perform a predetermined operation or a selection operation even on a touch panel that is not illuminated.
- the second predetermined operation may be a single click operation and the selection operation may be a double click operation.
- the LCD is illuminated with the second brightness.
- the illumination on the LCD may be stopped. In this case, there is no first predetermined operation.
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Abstract
Description
Claims (12)
- 複数の表示部と、
前記複数の表示部のそれぞれを個別に照明することが可能な照明部と、
操作部と、
前記操作部に対して所定の操作が行われると、前記照明部に、前記複数の表示部の少なくとも一つを第一の明るさで照明させ、その後、前記操作部に対して前記複数の表示部のいずれかを選択する選択操作が行われ、当該選択操作にて選択された表示部が第一の明るさで照明されている場合、当該選択操作にて選択された表示部を前記第一の明るさより明るい第二の明るさで照明させる制御部と、を有する端末装置。 - 請求項1に記載の端末装置において、
前記制御部は、前記所定の操作として、前記複数の表示部の全てを選択する第一の所定の操作が行われると、前記照明部に、前記複数の表示部の全てを前記第一の明るさで照明させる、端末装置。 - 請求項1または2に記載の端末装置において、
前記制御部は、前記所定の操作として、前記複数の表示部のいずれか1以上を選択する第二の所定の操作が行われると、前記照明部に、当該第二の所定の操作にて選択された表示部を前記第一の明るさで照明させる、端末装置。 - 請求項1ないし3のいずれか1項に記載の端末装置において、
前記所定の操作は、シングルクリック、ダブルクリック、短押しおよび長押しの少なくとも一つである、記載の端末装置。 - 請求項1ないし4のいずれか1項に記載の端末装置において、
前記制御部は、前記選択操作にて選択された表示部への照明が停止されている場合、前記照明部に、当該表示部を前記第一の明るさで照明させる、端末装置。 - 請求項1ないし4のいずれか1項に記載の端末装置において、
前記制御部は、前記選択操作にて選択された表示部への照明が停止されている場合、前記照明部に、当該表示部を前記第二の明るさで照明させる、端末装置。 - 請求項5または6に記載の端末装置において、
前記制御部は、前記選択操作にて選択された表示部への照明が停止されている場合、前記照明部に、当該表示部以外の表示部への照明を停止させる、端末装置。 - 請求項1ないし7のいずれか1項に記載の端末装置において、
当該端末装置を動作させるための電力を蓄電可能な電源と、
前記電源に蓄電された電力の残量を測定する電源制御部と、をさらに有し、
前記制御部は、前記所定の操作が行われると、前記電源制御部にて測定された電力の残量が予め定められた閾値未満の場合、前記照明部に前記表示部の少なくとも一つを第一の明るさで照明させ、前記電力の残量が前記閾値以上の場合、前記照明部に前記表示部の少なくとも一つを第二の明るさで照明させる、端末装置。 - 請求項1ないし8のいずれか1項に記載の端末装置において、
前記制御部は、前記所定の操作が行われてから所定時間経過しても、前記選択操作が行われなかった場合、前記照明部に、前記複数の表示部への全ての照明を停止させる、端末装置。 - 請求項1ないし9のいずれか1項に記載の端末装置において、
前記操作部は、各表示部に備わった複数のタッチパネルを含む、端末装置。 - 請求項10に記載の端末装置において、
前記制御部は、前記照明部が前記複数の表示部への照明を全て停止している場合、前記複数のタッチパネルの全てに対する操作を無効にし、前記照明部が前記複数の表示部の少なくとも一つを照明している場合、前記複数のタッチパネルの全てに対する操作を有効にする、端末装置。 - 複数の表示部と、前記複数の表示部のそれぞれを個別に照明することが可能な照明部と、操作部とを有する端末装置の照明制御方法であって、
前記操作部に対して所定の操作が行われると、前記照明部に、前記複数の表示部の少なくとも一つを第一の明るさで照明させ、
前記操作部に対して前記複数の表示部のいずれかを選択する選択操作が行われ、当該選択操作にて選択された表示部が第一の明るさで照明されている場合、前記照明部に、当該選択操作にて選択された表示部を前記第一の明るさより明るい第二の明るさで照明させる、照明制御方法。
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CN201180006967.5A CN102713831B (zh) | 2010-02-18 | 2011-02-02 | 终端设备和照明控制方法 |
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CN103425448A (zh) * | 2012-05-23 | 2013-12-04 | 三星电子株式会社 | 显示装置、连接到显示装置的输入装置及其控制方法 |
EP2667286A3 (en) * | 2012-05-23 | 2016-04-20 | Samsung Electronics Co., Ltd. | Display apparatus, input apparatus connected to display apparatus, and controlling methods thereof |
CN103425448B (zh) * | 2012-05-23 | 2018-05-11 | 三星电子株式会社 | 显示装置、连接到显示装置的输入装置及其控制方法 |
JP2014038514A (ja) * | 2012-08-17 | 2014-02-27 | Konica Minolta Inc | 携帯型の情報機器およびコンピュータープログラム |
JP2014191223A (ja) * | 2013-03-27 | 2014-10-06 | Fujitsu Ltd | 携帯端末装置、画面表示プログラム及び画面表示方法 |
JP2018084865A (ja) * | 2016-11-21 | 2018-05-31 | シュナイダーエレクトリックホールディングス株式会社 | 表示制御装置、および表示システム |
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EP2538318B1 (en) | 2018-05-30 |
EP2538318A4 (en) | 2013-08-14 |
JPWO2011102222A1 (ja) | 2013-06-17 |
JP5821836B2 (ja) | 2015-11-24 |
CN102713831B (zh) | 2015-09-16 |
EP2538318A1 (en) | 2012-12-26 |
CN102713831A (zh) | 2012-10-03 |
US20120299980A1 (en) | 2012-11-29 |
US8872728B2 (en) | 2014-10-28 |
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