JP2010062927A - Display device, operation characteristic control method, control program and recording medium - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a power saving technology in which power consumption and a degree of environmental contribution are associated with each other. <P>SOLUTION: A carbon-dioxide reduction mode setting part 60 of a television receiver includes a setting control part 70 and a data table 80. The setting control part 70 includes a setting management part 71, a power consumption calculation part 72 and a carbon-dioxide conversion part 73. Here, the setting management part 71 acquires setting relating to a carbon-dioxide reduction mode and records the setting in a setting holding table 84. Furthermore, the power consumption calculation part 72 calculates the estimate of power consumption by referring to set adjustment values (backlight or volume). Then, the power consumption calculation part 72 calculates how much power consumption is reduced with respect to the setting in forwarding ("standard setting" hereafter) during the carbon-dioxide reduction mode. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a display device, an operation characteristic control method, a control program, and a recording medium.

  The Kyoto Protocol entered into force, and reduction targets for greenhouse gases, including carbon dioxide, have been set in each country to address global environmental issues. Japan has committed to the world to work on a 6% reduction within the desired period. . In recent years, the power consumption of devices tends to increase with the increase in size and image quality of televisions. For this reason, TV equipment manufacturers are striving to manage the power consumption of the equipment used at the same time as the development of power-saving functions.

  As a simple way to achieve low power consumption when watching TV, it is generally effective to lower the “video brightness” or “volume”, which consumes a lot of power in the overall power consumption of the device. As a conventional technique, there is a method for realizing low power consumption by the user himself / herself selecting an optimum mode from several low power consumption modes prepared in advance.

  However, this method cannot specifically grasp whether the mode selected by the user is optimal. In addition, there is a method for actively changing the video brightness and volume according to the surrounding environment, but this method requires sensors for measuring the parameters of the surrounding environment. A separate place to install the sensors and a detection circuit are required, leading to an increase in the cost of the television.

  Therefore, as a technique for allowing the user to grasp the power consumption, there is a technique for displaying the amount of electric power of various electrical devices in the home on a television screen or a home display device (see, for example, Patent Document 1).

  In addition, in the electrical equipment, the operating time of the equipment within a certain period of time in the past is integrated, and based on the integration result, information on the environmental change caused by power consumption, specifically, the cause of environmental destruction There is also a technique for calculating and displaying carbon dioxide emissions (see, for example, Patent Document 2).

Furthermore, in a TV equipped with a liquid crystal panel, the power saving target period and power saving target value are set, and when the power consumption reaches a predetermined ratio with respect to the power saving target value, the backlight brightness of the liquid crystal panel or the power is turned off. There is also a technique (see, for example, Patent Document 3).
Japanese Patent Laid-Open No. 2002-40055 JP-A-11-331724 JP 2008-79076 A

  By the way, in the technique disclosed in Patent Document 1, it is possible to raise awareness about energy saving by displaying the amount of electric power of the electric device. There was a problem that it was difficult to grasp whether the company was able to contribute to the environment.

  In the technique disclosed in Patent Document 2, the accumulated result of past power consumption is calculated and the amount of carbon dioxide emission is calculated and displayed on the screen. It was not possible to control and manage consumption.

  Furthermore, in the technology disclosed in Patent Document 3, the power saving target period and the power saving target value are set in advance to effectively save power consumption, but the user can fully grasp the image of the effect of power saving. could not. In other words, it was not possible to grasp how the realized power saving effect was reflected in the contribution to the environment.

  In view of the above problems, an object of the present invention is to provide a power saving technique that associates power consumption with the degree of environmental contribution.

The device according to the present invention relates to a display device. The apparatus includes an operation setting unit that sets an operation characteristic of the operation unit in association with the discharge amount of carbon dioxide.
Also, a table in which the setting of the operating characteristic of the operating unit and the power characteristic of the operating unit are associated with each other, and an emission amount calculating unit that calculates an emission amount of carbon dioxide with reference to the table are provided. Also good.
The operation setting means may be capable of setting the brightness of the display means in association with the carbon dioxide emission amount as the operation characteristic.
The operation setting means may be able to set the sound volume of the sound output means in association with the carbon dioxide emission amount as the operation characteristic.
Moreover, you may provide the display control means which receives the setting of the said operation characteristic in the said action | operation part from a user by OSD display.
The display control means displays a predetermined reference state of the operation characteristic, and the operation setting means accepts the setting of the operation characteristic from a user based on the display of the displayed reference state. Also good.
In addition, the display control means may include display control means for OSD-displaying an index relating to the carbon dioxide emission amount corresponding to the setting of the operation characteristic of the operation unit.
The display control means may display an OSD display in association with a carbon dioxide emission amount based on power consumption of the display device while the carbon dioxide reduction mode is being executed.
The operation setting means may set the operation characteristic of the operation unit according to the genre of the content to be displayed.
The operation setting means may set the operation characteristic of the operation unit according to a time zone for displaying the content.
The operation setting means may set the operation characteristic of the operation unit by setting a target carbon dioxide reduction amount.
The display device further includes an elapse unit that acquires an operation start time and an operation stop time of the display device, and the discharge amount calculation unit is configured to perform a predetermined operation of the display device based on the acquired operation start time and the operation stop time. The carbon dioxide emission to be reduced may be calculated in correspondence with the stop period.
The method according to the present invention relates to a method for controlling operating characteristics of a display device. This method includes an operation characteristic setting step of setting the operation characteristic of the operation unit in association with the discharge amount of carbon dioxide.
The operation characteristic setting step includes an emission amount calculation step of calculating an emission amount of carbon dioxide with reference to a table in which the setting of the operation characteristic of the operation unit and the power characteristic of the operation unit are associated. Also good.
In the operation characteristic setting step, the brightness of the display means may be set as the operation characteristic in association with the carbon dioxide emission amount.
In the operation characteristic setting step, the sound volume of the sound output means may be set in association with the carbon dioxide emission amount as the operation characteristic.
Moreover, you may provide the setting screen display process of OSD-displaying the screen for receiving the setting of the said operating characteristic in the said action | operation part from a user.
In addition, when displaying the content, there may be provided an index display step of OSD displaying an index related to the carbon dioxide emission amount corresponding to the setting of the operating characteristic of the operating unit.
Further, the indicator display step may perform OSD display using a mark that gives an image of the environment as the indicator while the carbon dioxide reduction mode is being executed.
Further, a genre specifying step for specifying a genre of content to be displayed may be included, and the operation characteristic setting step may set the operation characteristic according to the specified genre.
Moreover, it has the time specific process which specifies the time slot | zone during operation | movement, and the said operation characteristic setting process may set the operation characteristic of the said action | operation part according to the time slot | zone which displays a content.
Further, a reduction amount setting step for setting a target carbon dioxide reduction amount may be provided, and the operation characteristic setting step may set the operation characteristic according to the set carbon dioxide reduction amount.
Another aspect of the present invention relates to a control program. This control program is a control program for operating the above-described display device, and causes the computer to function as each of the above-described means and the table.
Another embodiment of the present invention relates to a computer-readable recording medium. This recording medium records the control program.

  ADVANTAGE OF THE INVENTION According to this invention, the power saving technique which linked | related power consumption and the environmental contribution degree can be provided.

Next, the outline of the best mode for carrying out the present invention (hereinafter simply referred to as “embodiment”) will be described. In the present embodiment, the current power consumption is calculated, and the following is performed using the calculated value.
1) An operation screen (menu screen) on which a user can set in advance a power amount or environmental coefficient (for example, carbon dioxide emission amount) that the user wants to reduce within a certain period is displayed on the TV screen, and a target set value is input and stored. .
2) The television itself automatically changes the adjustment value of the circuit that consumes a large amount of power so that the amount of power or the environmental factor (for example, carbon dioxide emissions) in a certain period falls within the target set value range. In addition, the user is informed in advance that the operation is started.
3) The power consumption (amount) / environment coefficient is displayed on the screen by user selection, thereby raising the user's environmental awareness.
4) When the calculated power consumption exceeds a preset power consumption, a warning is displayed on the screen to alert the user.
5) The calculated power consumption is integrated over time to calculate the energy consumption, and the value is stored in the nonvolatile memory so that the user can refer to it at any time.
6) The energy consumption is converted into an environmental coefficient and displayed, and the user's environmental awareness is more powerful.
7) The power amount or environmental factor (for example, carbon dioxide emission amount) reduced within a certain period can be displayed and managed on the screen as an integrated value.

Next, it will be described in detail with reference to the drawings.
FIG. 1 is a functional block diagram showing a schematic configuration of a television receiver 10 according to the present embodiment. The television receiver 10 includes a main control unit 12 that comprehensively controls components, an input unit 20, an output control unit 30, an output unit 40, an output setting unit 50, a direct operation by a user, or a remote controller 90. A user operation acquisition unit 14 that receives an operation via the user, and an aging unit 16. The main control unit 12 is realized by an LSI (Large Scale Integrated Circuit) such as a CPU (Central Processing Unit), a memory, and a program stored in the memory and executing each function. The aging unit 16 specifies the date and time, measures the operation time, and executes a timer function.

  The input unit 20 includes a tuner 22, an external input unit 24, and a selector 26 that selects the tuner 22 or the external input unit 24 and connects it to the output control unit 30. The tuner 22 receives and decodes terrestrial digital broadcasting, for example. More specifically, the tuner 22 selects a desired channel, performs demodulation processing and error correction processing, extracts a TS (transport stream) transmitted from the broadcast station, and then multiplexes the TS. The selected TS is separated for each purpose, the video data and the audio data are decoded, and other data such as data broadcast data is output to the main control unit 12 via the selector 26. The decoded video data and audio data are output to the output control unit 30 via the selector 26.

  The external input unit 24 acquires desired content from an external device such as a DVD (Digital Versatile Disc) recorder, and outputs the acquired content to the output control unit 30 via the selector 26.

  The output control unit 30 includes a display output control unit 32 and an audio output control unit 34. The display output control unit 32, for example, if necessary, a setting screen of the television receiver 10, an OSD (On Screen Display) screen that reflects the contents of the data broadcast or gives the number and time of the selected channel, etc. An image to be finally displayed on the display unit 42 is constructed. The audio output control unit 34 converts the audio data acquired from the input unit 20 into a signal format that can be amplified by the amplifier 46, and outputs the processed audio data to the amplifier 46.

  The output unit 40 includes a display unit 42 and an audio output unit 45. The display unit 42 is a liquid crystal display device, for example, and includes a backlight 43. The audio output unit 45 includes an amplifier 46 and a speaker 48.

  The output setting unit 50 performs various settings for the television receiver 10. The settings you make here include general settings, such as device settings, video adjustments (brightness, color saturation, hue, image quality, etc.), audio adjustments (highs, lows, balance, surround, etc.), There are energy saving settings and the like. Furthermore, regarding the energy saving settings, settings related to the carbon dioxide reduction mode that is characteristic of the present embodiment can be made together with the normal energy saving mode that has been conventionally performed. For these settings, the user operates the remote controller 90 or the like to display a predetermined setting screen, and performs various settings on the setting screen.

  The output setting unit 50 includes a carbon dioxide reduction mode setting unit 60 in order to set the carbon dioxide reduction mode. In FIG. 1 and the subsequent figures, “carbon dioxide” is represented as “CO 2”.

  FIG. 2 is a block diagram showing a schematic configuration of the carbon dioxide reduction mode setting unit 60. As illustrated, the carbon dioxide reduction mode setting unit 60 includes a setting control unit 70 and a data table 80.

  The setting control unit 70 includes a setting management unit 71, a power consumption calculation unit 72, and a carbon dioxide conversion unit 73.

  The setting management unit 71 acquires settings related to the carbon dioxide reduction mode from the user and records them in a setting holding table 84 described later.

  The power consumption calculation unit 72 calculates an estimated value of power consumption with reference to the set adjustment value in items that affect power consumption. More specifically, for example, adjustment items that affect the increase / decrease in power consumption with respect to the power consumption estimated by the standard setting, for example, adjustment of the brightness of the backlight 43 and volume adjustment are considered. To calculate the power consumption. The power consumption is not calculated in real time by hardware such as a power meter, but is calculated as an approximate estimated value based on user settings. Then, the power consumption calculation unit 72 calculates how much power consumption is reduced in the carbon dioxide reduction mode with respect to a setting (hereinafter referred to as “standard setting”) set at the time of shipment. Further, the calculated power consumption is recorded in a history recording table 85 described later as an estimated power consumption every predetermined period, for example, 5 minutes.

  The carbon dioxide conversion unit 73 calculates how much carbon dioxide reduction has been realized in the carbon dioxide reduction mode with respect to the standard setting with reference to a predetermined table (carbon dioxide conversion table 82) described later. The calculation result is recorded in a carbon dioxide reduction amount recording table 83 described later. Naturally, the carbon dioxide conversion unit 73 can calculate the carbon dioxide emission amount corresponding to the power consumption based on the power consumption of the television receiver 10 as well as the reduction amount of the carbon dioxide emission amount.

  The data table 80 includes a power conversion table 81, a carbon dioxide conversion table 82, a carbon dioxide reduction amount recording table 83, a setting holding table 84, and a history recording table 85.

  As shown in FIG. 3, the power conversion table 81 includes a table showing the relationship between the adjustment value and the power value. 3A is a table showing the relationship between the adjustment value of the backlight 43 and the power value, and FIG. 3B is a table showing the relationship between the volume adjustment value and the power value. For example, regarding the backlight 43 in FIG. 3A, the power consumption is “60 W” when the adjustment value is “0”, which is the standard setting. On the other hand, with the adjustment value “−3” in which the backlight 43 is darkened by three levels, the power consumption is “45 W”, which is reduced by 15 W. Similarly, regarding the volume in FIG. 3B, the power consumption is “15 W” at the standard adjustment value “30”. On the other hand, when the volume is set to the adjustment value “16”, the power consumption is “10.3 W”, and the power consumption is 4.7 W smaller.

The overall power consumption of the television receiver 10 (hereinafter referred to as “total power consumption”) is the power consumption of the display unit 42 (hereinafter referred to as “total power consumption”) calculated from the adjustment value of the backlight 43 as shown in the following equation (1). , “Display power consumption”) and the power consumption of the audio output unit 45 calculated from the volume adjustment value (hereinafter referred to as “voice power consumption”).
Total power consumption = Display power consumption + Audio power consumption (1) Equation Of course, the power consumption of other circuits may be added, and more accurate power consumption can be presented to the user. Here, in order to simplify the description, a description will be given using the sum of display power consumption and audio power consumption, which has a large ratio to the total power consumption.

  The ratio of the power consumption of the backlight 43 to the total power consumption of the television receiver 10 is about 80 to 90%, and the power consumption of the output of the amplifier 46 and the speaker 48 to the total power consumption. The ratio of electric power is a value close to 10% at the maximum from about several percent on average when adjusting the volume. That is, it can be said that the total power consumption (display power consumption and audio power consumption) of these portions is substantially equal to the overall power consumption. Therefore, if attention is paid to these two operation functions, the effective power reduction (carbon dioxide reduction) targeted by the present embodiment can be realized in cooperation with the user operation.

  For example, in the standard setting, if the adjustment value of the backlight 43 is “0”, the display power consumption is “60 W”, and if the volume adjustment value is “30”, the sound power consumption is “15 W”. Therefore, the total power consumption is “75 W”. On the other hand, if the adjustment value of the backlight 43 is “−3” and the adjustment value of the volume is “16” in the carbon dioxide reduction mode, the display power consumption is “45 W” and the sound power consumption is “10.3 W”. The total power consumption is “55.3 W”. Therefore, the total power consumption that can be reduced is a value obtained by subtracting from the total power consumption in the carbon dioxide reduction mode from the total power consumption in the standard setting, and in the above example, 75-55.3 = 19.7 W.

Further, the power consumption calculation unit 72 calculates the power consumption for 5 minutes by the following equation (2) based on the calculated total power consumption.
Power consumption (Wh) = Total power consumption x (5/60)
= Total power consumption ÷ 12 (2) The calculated power consumption is recorded in the history recording table 85 described later in association with the time information as described above. Note that the power consumption calculation unit 72 may record the reduced power consumption amount in the history recording table 85.

Next, the carbon dioxide conversion table 82 includes a table or conversion formula for the carbon dioxide conversion unit 73 to calculate the carbon dioxide emission based on the power consumption. Here, it is assumed that a conversion formula is provided, which will be briefly described. The carbon dioxide emission (kg) is calculated by multiplying the cumulative energy consumption (Wh) by the emission coefficient (kg-CO2 / kWh) as shown in the following equation (3). The accumulated energy consumption (Wh) is calculated based on the record in the history record table 85.
Carbon dioxide emissions (kg) = cumulative energy consumption (Wh) x
Emission factor 0.36 (kg-CO2 / kWh) / 1000
(3) The emission coefficient (kg-CO2 / kWh) is generally different depending on the region where it is used, and may be set according to the user's region of use. Further, the manufacturer may set in advance for each destination, or the user may be able to set or change. Here, the description will be made using 0.36 (kg-CO2 / kWh) as the emission coefficient. Further, a reduced carbon dioxide emission amount may be calculated based on the reduced power consumption amount.

  The reduced carbon dioxide emission amount calculated by the carbon dioxide conversion unit 73 based on the carbon dioxide conversion table 82 and the history recording table 85 is recorded in the carbon dioxide reduction amount recording table 83.

  The setting holding table 84 records display settings and sound settings set for the carbon dioxide reduction mode.

  Next, a procedure for setting the carbon dioxide reduction mode will be described. FIG. 4 shows an example of a screen that is displayed during the setting related to the carbon dioxide reduction mode, and accepts the user's setting by OSD display.

  When the user selects the display of the setting screen by operating the remote controller 90 or the like, the output setting unit 50 displays the setting screen C1 as illustrated on the display unit 42. Specifically, the upper area of the setting screen C1 is provided with a “large item” C10 as a belt-like area, and the “large item” C10 includes “main body setting” C11, “video adjustment” C12, “audio adjustment”. "C13" and "energy saving setting" C14 are provided so as to be selectable. In the figure, “energy saving setting” C14 is selected, and the selection is highlighted.

  Further, a “normal item energy saving mode setting” C21 and a “carbon dioxide reduction mode setting” C22 are selectably provided as “medium item” C20 below and on the left side of the “large item” C10. Here, “carbon dioxide reduction mode setting” C22 is selected, and the selection is highlighted (inverted display). When “normal energy saving mode” C21 is selected, for example, “no operation off” for turning off the power when there is no operation for a predetermined time from the user, or turning off the power when there is no signal input for a predetermined time. Settings such as “no signal off” can be made.

  When “carbon dioxide reduction mode setting” C22 is selected, the carbon dioxide reduction mode detailed setting region C30 is displayed as shown in the figure, and various settings relating to the carbon dioxide reduction mode are possible.

  In the carbon dioxide reduction mode detailed setting area C30, the user first sets whether the carbon dioxide reduction mode is set in detail in the uppermost setting area C31, determines a specific target value, or does not set it. select. Here, in the case of setting, the “Set in detail” item is selected. When this selection is made, a screen in which details can be set in the lower area (C32 to C39) is displayed as shown. When reflecting the setting, the user presses a “reflect setting” button C40. In the lowermost area, the set amount of carbon dioxide reduction and the total value corresponding to the video setting and the audio setting are displayed.

  FIG. 5 is a video adjustment screen D1 displayed when setting the video output as the carbon dioxide reduction mode, and accepts the user's setting by OSD display. As shown in the figure, in the image quality adjustment area D2, six items of “backlight”, “contrast”, “black level”, “color density”, “color tone”, and “image quality” are displayed so as to be adjustable. Here, regarding the item of “backlight”, the adjustment value range can be set from −8 to +8, and the user can set the desired adjustment value by operating the adjustment icon D21 with the remote controller 90 or the like. Here, the adjustment value “−2” is set, and further, it is displayed that the item “backlight” is a carbon dioxide reduction contributing item. Further, the other five items can be similarly set by the adjustment icon, but are not carbon dioxide reduction contributing items. Further, in the drive speed adjustment region D3, it is selected whether or not to adapt the double speed function to the drive speed of the display unit 42. The double speed function is a technique for displaying 120 images, which is twice the normal speed, by interpolating from the preceding and succeeding images for a moving image composed of 60 images per second. By turning off the double speed function, processing with a high load is stopped, so that power consumption is reduced. In the lower region D4 of the image adjustment screen D1, the carbon dioxide emission amount and the reduction amount reduced with respect to the standard setting are displayed. In the drawing, the emission amount is 18.0 g, which is reduced with reference to the standard setting. The amount is shown to be 3.6 g.

  FIG. 6 is an audio adjustment screen E1 displayed when setting the audio output as the carbon dioxide reduction mode, and accepts the user's setting by OSD display. Here, volume adjustment and surround setting can be performed in the first and second areas E2 and E3. The volume adjustment in the first area E2 can be set from the minimum value “0” to the maximum “60” by operating the adjustment icon D21 with the remote controller 90 or the like. The standard is “30”, and according to the power conversion table 81 in FIG. 3B, the power consumption is “15 W” at this time. As shown in FIG. 6, when the volume adjustment is “16”, according to the power conversion table 81, the power consumption is “10.3 W”. Then, the third region in which the carbon dioxide emission amount (3.7 g / h) when the volume adjustment setting and the surround setting are reflected and the carbon dioxide reduction amount (1.7 g / h) with respect to the standard setting is the bottommost region. Displayed on E4.

  Next, a setting example when the “target amount setting” item is selected in the screen example of FIG. 4 will be described. FIG. 7 shows a target setting display screen F1 displayed at that time, and accepts user settings by OSD display. Here, in the upper target setting area F2, the target power consumption or the target carbon dioxide emission can be set. Here, the adjustment icon F22 in the power consumption setting region F21 and the adjustment icon F24 in the carbon dioxide emission amount setting region F23 are moved in conjunction with each other in accordance with the adjustment amount. That is, when one of the two adjustment icons F22 and F24 is moved, the other is moved in conjunction with the other. In the adjustment value display area F3, the items “backlight” and “volume” are displayed in conjunction with values corresponding to the setting of the target setting area F2.

Here, a case where setting is performed while moving the adjustment icon F22 in the power consumption setting area F21 will be described. Now, a case where the power consumption is set to “50 W” from the standard setting state where the power consumption is “70.3 W (display power consumption 60 W, voice power consumption 10.3 W)” will be exemplified. The power consumption calculation unit 72 calculates the display power saving and the voice power consumption by performing the following processes 1) to 4), and the setting management unit 71 sets the carbon dioxide reduction mode based on the calculation result.
1) The difference between the standard power consumption “70.3 W” and the target power consumption “50 W” is calculated as follows.
(60 + 10.3) -50 = 20.3 (W)
2) Allocate 20.3 W, which is the power to reduce the rate of contribution to power consumption, to display power consumption and audio power consumption.
Display power consumption to be reduced = 20.3 × 60 / (60 + 10.3) = 17.3 (W)
Voice power consumption to be reduced = 20.3 × 10.3 / (60 + 10.3) = 3.0 (W)
3) The target power consumption of each of the backlight 43 and the volume is calculated.
Target display power consumption = 60-17.3 = 42.7 (W)
Target voice power consumption = 10.3-3.0 = 7.3 (W)
4) An adjustment value for realizing each target power consumption is determined with reference to the power conversion table 81. At this time, the adjustment value corresponding to the closest power consumption not exceeding the calculated value is selected.
Adjustment value of backlight 43 = “− 4”
Volume adjustment value = "9"
It becomes. At this time, the display power consumption is “40 W”, the audio power consumption is “7 W”, and the adjusted power consumption after adjustment is 47 W. The adjusted power consumption is displayed in the bottom area F4.

Next, a case where the target power consumption is set to “70 W” in a state where the adjustment value of the backlight 43 is “+6” and the volume adjustment value is “10” is set by the user.
1) From the power conversion table 81, the display power consumption is “90 W”, the voice power consumption is “7.5 W”, and the total power consumption is “97.5 W”. Then, the difference from the target power consumption “70 W” is calculated as follows.
(90 + 7.5) -70 = 27.5 (W)
2) Allocate 27.5 W, which is the power that should be reduced to the ratio contributing to power consumption, to display power consumption and audio power consumption.
Display power consumption to be reduced = 27.5 × 90 / (90 + 7.5) = 25.4 (W)
Voice power consumption to be reduced = 27.5 × 7.5 / (90 + 7.5) = 2.1 (W)
3) The target power consumption of each of the backlight 43 and the volume is calculated.
Target display power consumption = 90−25.4 = 64.6 (W)
Target voice power consumption = 7.5−2.1 = 5.4 (W)
4) An adjustment value for realizing each target power consumption is determined with reference to the power conversion table 81. At this time, the adjustment value corresponding to the closest power consumption not exceeding the calculated value is selected.
Adjustment value of backlight 43 = "0"
Volume adjustment value = "5"
At this time, the display power consumption is “60 W”, the audio power consumption is “5 W”, and the adjusted power consumption to be set is 65 W.

  When each adjustment value to be set for the target set by the user is determined, the setting management unit 71 sets the luminance of the backlight 43 and the volume of the audio output control unit 34 to each determined adjustment value.

Returning to the description of FIG.
In the setting area C32 for each AV position, whether to set the carbon dioxide reduction mode for each AV position is selected. The AV position is a function for setting the video adjustment and audio adjustment stored in advance according to the brightness of the room and the content to be displayed. For example, the “standard” position in the factory default state or a clearer video There is a “dynamic” position adjusted to be, a “cinema” position adjusted to the content of the movie, and the like.

  In the video setting area C33, it is possible to select whether to apply the carbon dioxide reduction mode to video output. If the user wishes to apply, the user selects “ON”.

  Similarly, in the sound setting area C34, it is possible to select whether to apply the carbon dioxide reduction mode to sound output. If the user wishes to apply, the user selects “ON”.

  In the genre setting area 35, whether to apply the carbon dioxide reduction mode can be selected according to the genre of the content. If the user wishes to apply, the user selects “ON”. More specifically, for example, in the case of a digital broadcast wave, information relating to the genre of a program is included in the transport stream. By referring to the genre, the carbon dioxide reduction mode is applied when a broadcast program of a genre designated by the user is output. For example, the carbon dioxide reduction mode is applied when the program genre is “sports”, and the carbon dioxide reduction mode is applied when the genre is “movies”. Note that the genre to which the carbon dioxide reduction mode is applied is selected by a user on a setting screen (not shown). As a result, it is possible to utilize such that the carbon dioxide reduction mode is not applied to content that requires a clear image.

  Subsequently, in the notification setting area C36, it is possible to select whether or not to display that on the display unit 42 while the carbon dioxide reduction mode is being applied. Specifically, an indication that the carbon dioxide reduction mode is applied and how much it is reduced or the power consumption is displayed on the display unit 42 as OSD. FIG. 8 shows a display example of the display unit 42 in which the carbon dioxide reduction mode is being applied. In FIG. 8A, the fact that the carbon dioxide reduction mode is being applied is indicated by a “tree” mark in the upper left area M <b> 1 of the display unit 42. In FIG. 8B, the carbon dioxide reduction rate is displayed on the display unit 42. In FIG. 8C, power consumption is displayed on the display unit 42.

  Next, in the warning setting area C37, whether or not to give a warning when the power consumption exceeds the set upper limit value is set. For example, the user sets “70 W” as the upper limit value of power consumption. Then, when the user performs an operation to increase the volume or an operation to increase the luminance, when the power consumption estimated from the luminance or the volume exceeds 70 W, the display unit 42 indicates that the upper limit has been exceeded. To do. As a display mode, for example, the set upper limit value and the power consumption during operation are displayed side by side, or the “tree” mark shown in FIG.

  In the viewing history setting area C38, the power consumption and the carbon dioxide reduction amount for the period when the user has not viewed the television receiver 10 are set. Specifically, when the power of the television receiver 10 is turned off, the setting management unit 71 acquires digital broadcast time information T1 and records it in the history recording table 85. Next, when the television receiver 10 is turned on, the setting management unit 71 acquires digital broadcast time information T2 and records it in the history recording table 85. Furthermore, the power consumption calculation unit 72 calculates a period ΔT = T2−T1 during which the television receiver 10 is off. Next, the power consumption calculation unit 72 calculates carbon dioxide that has not been emitted from the rated power of the television receiver 10, the period ΔT that has been turned off, and the emission coefficient 0.36 (kg−CO 2 / kWh). The calculation result is recorded in the history recording table 85 in association with the time information T1 and T2. Then, the user may be configured to be able to confirm the transition of the carbon dioxide reduction and the power consumption. For example, the weekly or monthly carbon dioxide reduction, the power consumption, and the like are aggregated based on the record of the history record table 85. And may be displayed on the display unit 42. This can motivate the user to consider the environment.

  Furthermore, in the viewing environment condition setting area C39, it is possible to set whether or not to apply the carbon dioxide reduction mode according to conditions when the user views the television receiver 10. Specifically, the carbon dioxide reduction mode is applied when the periphery of the television receiver 10 is dark, or is applied according to time.

  As described above, according to the television receiver 10 of the present embodiment, the power consumption and the carbon dioxide reduction amount can be calculated based on the settings (brightness setting and volume setting) of the television receiver 10, and additional components are provided. This is unnecessary and can be realized without incurring additional costs over conventional products. Moreover, it can be evoked by the user's environmental awareness, and as a result, it can contribute to energy saving.

It is a functional block diagram which shows schematic structure of the television receiver which concerns on embodiment. It is a block diagram of the machine which shows schematic structure of the carbon dioxide reduction mode setting part based on embodiment. It is a figure which shows the content of the electric power conversion table based on embodiment. It is a figure which shows the example of a screen displayed at the time of the setting regarding the carbon dioxide reduction mode based on embodiment. It is a figure which shows the example of the image | video adjustment screen displayed when setting the video output as a carbon dioxide reduction mode based on embodiment. It is a figure which shows the example of the audio | voice adjustment screen displayed when performing the setting of the audio | voice output as a carbon dioxide reduction mode based on embodiment. It is a figure which shows the example of the target setting display screen displayed when the "target amount setting" item based on embodiment is selected. It is a figure which shows the example of a display in which the carbon dioxide reduction mode based on embodiment is applied.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Television receiver 12 Main control part 14 User operation acquisition part 16 Time elapsed part 20 Input part 22 Tuner 24 External input part 26 Selector 30 Output control part 32 Display output control part 34 Audio | voice output control part 40 Output part 42 Display part 43 Backlight 45 voice output unit 46 amplifier 48 speaker 50 output setting unit 60 carbon dioxide reduction mode setting unit 70 setting control unit 71 setting management unit 72 power consumption calculation unit 73 carbon dioxide conversion unit 80 data table 81 power conversion table 82 carbon dioxide conversion table 83 Carbon dioxide reduction amount recording table 84 Setting holding table 85 History recording table 90 Remote control

Claims (24)

  A display device comprising operation setting means for setting an operation characteristic of an operation unit in association with an emission amount of carbon dioxide. A table in which the setting of the operating characteristics of the operating unit and the power characteristics of the operating unit are associated;
An emission amount calculation means for calculating an emission amount of carbon dioxide with reference to the table;
The display device according to claim 1, further comprising:   The display device according to claim 2, wherein the operation setting unit can set the brightness of the display unit in association with the carbon dioxide emission amount as the operation characteristic.   The display device according to claim 2, wherein the operation setting unit can set the volume of the sound output unit in association with the carbon dioxide emission amount as the operation characteristic.   5. The display device according to claim 2, further comprising a display control unit configured to receive a setting of the operation characteristic in the operation unit from a user by an OSD display. The display control means displays a predetermined reference state of the operating characteristic,
The display device according to claim 5, wherein the operation setting unit receives a setting of the operation characteristic from a user based on the display of the displayed reference state.   6. The display control means according to claim 2, further comprising: a display control means for OSD-displaying an indicator relating to carbon dioxide emission corresponding to the setting of the operating characteristic of the operating portion. The display device according to item.   8. The display control means performs OSD display in association with a carbon dioxide emission amount based on power consumption of the display device while the carbon dioxide reduction mode is being executed. The display device according to any one of the above.   The display device according to any one of claims 2 to 8, wherein the operation setting unit sets an operation characteristic of the operation unit in accordance with a genre of content to be displayed.   The display device according to any one of claims 2 to 9, wherein the operation setting unit sets an operation characteristic of the operation unit in accordance with a time zone in which content is displayed.   The display device according to any one of claims 2 to 10, wherein the operation setting unit sets an operation characteristic of the operation unit by setting a carbon dioxide reduction amount to be a target. . Comprising a time passage means for obtaining the operation start time and the operation stop time of the display device,
The emission amount calculation means calculates a carbon dioxide emission amount to be reduced corresponding to a predetermined stop period of the display device based on the acquired operation start time and operation stop time. A display device according to any one of claims 2 to 11.   An operation characteristic control method for a display device, comprising: an operation characteristic setting step for setting an operation characteristic of an operation unit in association with an emission amount of carbon dioxide.   The operation characteristic setting step includes an emission amount calculation step of calculating an emission amount of carbon dioxide with reference to a table in which the setting of the operation characteristic of the operation unit and the power characteristic of the operation unit are associated with each other. The operation characteristic control method for a display device according to claim 13.   15. The operation characteristic control method for a display device according to claim 14, wherein in the operation characteristic setting step, the brightness of the display unit is set as the operation characteristic in association with the carbon dioxide emission amount.   16. The operation characteristic control method for a display device according to claim 14, wherein the operation characteristic setting step sets the sound volume of the sound output means in association with the carbon dioxide emission amount as the operation characteristic.   The operating characteristic of the display device according to any one of claims 14 to 16, further comprising a setting screen display step for OSD displaying a screen for accepting the setting of the operating characteristic in the operating unit from a user. Control method.   18. The method according to claim 14, further comprising: an indicator display step for OSD-displaying an indicator relating to carbon dioxide emission corresponding to the setting of the operating characteristic of the operating portion when displaying content. The operating characteristic control method of the display device according to Item 1.   19. The operating characteristic control method for a display device according to claim 18, wherein the indicator display step performs OSD display using a mark that makes an image of the environment as the indicator while the carbon dioxide reduction mode is being executed. A genre specifying step for specifying the genre of the content to be displayed;
20. The operation characteristic control method for a display device according to claim 14, wherein the operation characteristic setting step sets the operation characteristic according to the specified genre. It has a time identification process that identifies the operating time zone,
21. The operation characteristic of the display device according to claim 14, wherein the operation characteristic setting step sets the operation characteristic of the operation unit in accordance with a time zone in which content is displayed. Control method. A reduction amount setting process for setting the target carbon dioxide reduction amount is provided.
The operation characteristic control method for a display device according to any one of claims 14 to 21, wherein the operation characteristic setting step sets the operation characteristic in accordance with a set carbon dioxide reduction amount.   A control program for operating the display device according to any one of claims 2 to 12, wherein the control program causes a computer to function as each of the means and the table.   A computer-readable recording medium in which the control program according to claim 23 is recorded.

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