JP2007172950A - Control device, control method, program, and display device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To properly display the replacement message for a light source lamp. <P>SOLUTION: A lamp operating time determining part 82 determines if a lamp operating time indicating a total time in which a light source lamp owned by a display device has been operated exceeds a standard operating time defined in advance, a power source ON frequency counting part 85 counts the power source ON frequency indicating the frequency of switching on the power source of the display device, when it is set to a display permitting mode to allow displaying a replacement message for expediting replacement of the light source lamp, and a power source ON frequency determining part 86 determines if the power source ON frequency exceeds a prescribed frequency. A display mode setting part 84 sets the display permitting mode and a display prohibiting mode to prohibit displaying the replacement message only for a prescribed period, based on determination of the lamp operating time determining part 82 and the power source ON frequency determining part 86. This invention can be applied to a rear projection television for instance. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a control device, a control method, a program, and a display device, and in particular, a control device and a control method that can appropriately display, for example, an exchange message that prompts replacement of a light source lamp included in the display device. , A program, and a display device.

  For example, according to a rear projection television receiver that includes a light source lamp and a screen and uses the light of the light source lamp to display an image on the screen (hereinafter referred to as projection TV as appropriate), the light emitted from the light source lamp is emitted. By irradiating the screen, an image is displayed on the screen. Therefore, when the so-called life of the light source lamp is exhausted and the light source lamp does not emit light, an image cannot be displayed on the screen until the light source lamp is replaced.

By the way, the lamp life time indicating the approximate life of the light source lamp is often determined by specifications. Therefore, the lamp operation time indicating the total operation time of the light source lamp is counted, and if the lamp operation time exceeds the lamp life time, an exchange message for prompting replacement of the light source lamp may be displayed on the screen. It has been proposed (see, for example, Patent Documents 1 and 2).
JP-A-4-250437 JP 2002-287243 A

  By the way, when the lamp operation time exceeds the lamp lifetime, the user may feel annoyed if the replacement message is always displayed on the screen.

  The present invention has been made in view of such a situation, and appropriately displays a light source lamp replacement message so that the user does not feel bothered.

  The control device according to the first aspect of the present invention is a control device that controls a display device that displays an image using light from a light source lamp, and a lamp operation time that represents a total time during which the light source lamp has been operated. Lamp operation time determination means for determining whether or not a predetermined standard use time has been exceeded, display mode setting means for setting a display mode for displaying a replacement message for prompting replacement of the light source lamp, and the display mode A power-on-count counter that counts the number of times the display device is turned on when the display device is set in a display permission mode for displaying the exchange message on the display device; A power-on frequency determination means for determining whether the number of times has exceeded a predetermined number of times, the display mode setting means at the time of the lamp operation When the determination unit determines that the lamp operation time exceeds the standard usage time, the display mode is set to the display permission mode, and the power-on number determination unit sets the power-on number. If it is determined that the predetermined number of times has been exceeded, the display mode is set to a display prohibition mode for prohibiting the display of the exchange message for a predetermined period, and the display is performed after the predetermined period has elapsed. The mode is set to the display permission mode.

  In the display mode setting means, the predetermined period is a period from when the display mode is set to the display prohibition mode until the number of times the power is turned on reaches a predetermined number of times. The display mode can be set to the display prohibition mode only during this period.

  The display mode setting means sets the display mode only for the predetermined period from the time when the display mode is set to the display prohibition mode until a predetermined time elapses. The display prohibit mode can be set.

  The standard use time may be a lamp life time determined as a life of the light source lamp in the specification of the light source lamp.

  The lamp operation time determination means further determines whether or not the lamp operation time exceeds a maximum use time longer than the standard use time, and the lamp operation time determination means determines whether the lamp operation time is the maximum When it is determined that the usage time has been exceeded, the replacement message can be displayed on the display device regardless of the display mode.

  A control method or program according to the first aspect of the present invention is a control method for a display device that displays an image using light from a light source lamp, or a control for a display device that displays an image using light from a light source lamp. Is a program that causes a computer to execute the replacement, and determines whether or not a lamp operating time that represents a total operating time of the light source lamp has exceeded a predetermined standard use time, and prompts replacement of the light source lamp A power-on indicating the number of times the power of the display device is turned on when the display mode for displaying the message is set and the display mode is set to a display permission mode for displaying the exchange message on the display device Counting the number of times, and determining whether or not the number of times the power is turned on exceeds a predetermined number, When it is determined that the standard usage time has been exceeded, the display mode is set to the display permission mode, and when it is determined that the power-on count has exceeded the predetermined count, the display mode is set to the predetermined The display prohibition mode for prohibiting the display of the exchange message is set only during the period, and the display permission mode is set after the lapse of the predetermined period.

  In the control device, the control method, or the program according to the first aspect as described above, the lamp operation time that represents the total operation time of the light source lamp built in the display device that displays the image using the light from the light source lamp. Determines whether or not a predetermined standard usage time has been exceeded. Further, a display mode for displaying a replacement message for prompting replacement of the light source lamp is set, and the power supply of the display device when the display mode is set to a display permission mode for displaying the replacement message on the display device Counts the number of times the power is turned on, which represents the number of times that is turned on Then, it is determined whether or not the number of times the power is turned on exceeds a predetermined number. If it is determined that the lamp operation time exceeds the standard use time, the display mode is changed to the display permission mode. Set. On the other hand, if it is determined that the number of power-on times exceeds the predetermined number of times, the display mode is set to a display prohibition mode for prohibiting the display of the exchange message for a predetermined period of time. After the elapse of the period, the display mode is set to the display permission mode.

  A display device according to a second aspect of the present invention is a display device that displays an image using light from a light source lamp, and a lamp operation time representing a total operation time of the light source lamp is predetermined. Lamp operating time determining means for determining whether or not a standard usage time has been exceeded, display mode setting means for setting a display mode for displaying a replacement message prompting replacement of the light source lamp, and the replacement message from the light source lamp Display means for displaying using the light of the light source, and a power source representing the number of times the display device is turned on when the display mode is set to a display permission mode for displaying the exchange message on the display device A power-on-count counter that counts the number of times of power-on, and a power-on-count determination unit that determines whether or not the power-on count exceeds a predetermined number. And the display mode setting means sets the display mode to the display permission mode when the lamp operation time determination means determines that the lamp operation time exceeds the standard use time. When the power-on count determining unit determines that the power-on count exceeds the predetermined number, the display prohibition is performed to prohibit the display mode from displaying the replacement message for a predetermined period. The mode is set, and after the predetermined period, the display mode is set to the display permission mode.

  In the display device according to the second aspect as described above, a lamp operation time representing the total operation time of the light source lamp built in the display device that displays an image using light from the light source lamp is determined in advance. It is determined whether or not a certain standard use time has been exceeded, a display mode relating to display of a replacement message for prompting replacement of the light source lamp is set, and the replacement message is displayed using light from the light source lamp. Further, the display mode is set to a display permission mode for displaying the exchange message on the display device. The display device counts a power-on count indicating the number of times the display device is turned on. It is determined whether the number of times exceeds a predetermined number. When it is determined that the lamp operation time exceeds the standard use time, the display mode is set to the display permission mode. Further, when it is determined that the power-on count has exceeded the predetermined count, the display mode is set to a display prohibit mode for prohibiting the display of the exchange message for a predetermined period, and the predetermined mode is set. After the elapse of the period, the display mode is set to the display permission mode.

  A display device according to a third aspect of the present invention is a display device that displays an image by projecting light from a light source lamp onto a screen, and a lamp operation time representing a total operation time of the light source lamp is preliminarily set. A lamp operating time determining means for determining whether or not a predetermined standard use time has been exceeded; and a display control means for controlling display on the screen of a replacement message for prompting replacement of the light source lamp, and the display control. Means, after the lamp operating time exceeds the standard use time, until the power is turned on until a predetermined number of times the power on the display device is turned on, The exchange message is displayed, and then the display of the exchange message is prohibited for a predetermined period.

  In the display device of the third aspect as described above, the lamp operation time indicating the total operation time of the light source lamp is the number of times the power is turned on after exceeding a predetermined standard use time. Until the power-on count reaches a predetermined number, when the power is turned on, the replacement message is displayed, and thereafter, the display of the replacement message is prohibited for a predetermined period.

  According to the first to third aspects of the present invention, it is possible to appropriately display a light source lamp replacement message so that the user does not feel bothered.

  Embodiments of the present invention will be described below. Correspondences between the constituent elements of the present invention and the embodiments described in the specification or the drawings are exemplified as follows. This description is intended to confirm that the embodiments supporting the present invention are described in the specification or the drawings. Therefore, even if there is an embodiment which is described in the specification or the drawings but is not described here as an embodiment corresponding to the constituent elements of the present invention, that is not the case. It does not mean that the form does not correspond to the constituent requirements. Conversely, even if an embodiment is described here as corresponding to a configuration requirement, that means that the embodiment does not correspond to a configuration requirement other than the configuration requirement. It's not something to do.

  The control device according to the first aspect of the present invention (for example, the rear projection television receiver 21 in FIG. 1) is a display device that displays an image using light from a light source lamp (for example, the light source lamp 33A in FIG. 1). A lamp operating time determining means for determining whether or not a lamp operating time indicating a total operating time of the light source lamp exceeds a predetermined standard use time (for example, FIG. 2). Lamp operation time determination unit 82), display mode setting means (for example, display mode setting unit 84 in FIG. 2) for setting a display mode relating to display of an exchange message for prompting replacement of the light source lamp, and the display mode A power-on indicating the number of times the display device is turned on when the display permission mode is set to display the exchange message on the display device. A power-on frequency count unit (for example, the power-on frequency count unit 85 in FIG. 2) that counts the number of times, and a power-on frequency determination unit that determines whether the power-on frequency has exceeded a predetermined number (for example, FIG. 2 when the lamp operation time determination means determines that the lamp operation time exceeds the standard use time, the display mode setting means When the mode is set to the display permission mode, and the power-on count determination unit determines that the power-on count has exceeded the predetermined count, the display mode is changed to the exchange message only for a predetermined period. Is set to a display prohibition mode for prohibiting display of the image, and after the predetermined period, the display mode is set to the display permission mode.

  A control method or program according to the first aspect of the present invention provides a display device (for example, the rear projection television receiver of FIG. 1) that displays an image using light from a light source lamp (for example, the light source lamp 33A of FIG. 1). 21), or a program that causes a computer to execute control of a display device that displays an image using light from a light source lamp, and a lamp operating time that represents a total operating time of the light source lamp It is determined whether or not a predetermined standard use time has been exceeded (for example, step S51 in FIG. 4), and a display mode for displaying an exchange message for prompting replacement of the light source lamp is set (for example, step S53 in FIG. 4). Step S58 or Step S61), the display mode is a display for displaying the exchange message on the display device. The number of power-on times representing the number of times the display device is turned on when the permission mode is set is counted (for example, step S55 in FIG. 4), and whether the number of power-on times exceeds a predetermined number of times. The display mode is set to the display permission mode when it is determined that the lamp operation time exceeds the standard use time (for example, step S56 in FIG. 4). (For example, step S53 in FIG. 4), when it is determined that the number of power-on times exceeds the predetermined number, the display mode prohibits display of the exchange message for a predetermined period. The mode is set (for example, step S58 in FIG. 4), and after the predetermined period, the display permission mode is set (for example, step S61 in FIG. 4). Including the flop.

  The display device according to the second aspect of the present invention (for example, the rear projection television receiver 21 in FIG. 1) displays an image using light from a light source lamp (for example, the light source lamp 33A in FIG. 1). The lamp operation time determination means for determining whether or not the lamp operation time representing the total operation time of the light source lamp exceeds a predetermined standard use time (for example, lamp operation time determination in FIG. 2). Unit 82), display mode setting means (for example, display mode setting unit 84 in FIG. 2) for setting a display mode relating to display of an exchange message for prompting replacement of the light source lamp, and the exchange message from the light source lamp. Display means for displaying using light (for example, the screen 34 in FIG. 1) and the display mode cause the display device to display the exchange message. Power-on-counting means (for example, the power-on-counting unit 85 in FIG. 2) for counting the number of times of power-on indicating the number of times the power of the display device is turned on when the display permission mode is set; Power-on-count determining means for determining whether or not the power-on count exceeds a predetermined number (for example, the power-on count determining unit 86 in FIG. 2), and the display mode setting means determines the lamp operating time. When it is determined by the means that the lamp operating time exceeds the standard use time, the display mode is set to the display permission mode, and the power-on number of times is determined by the power-on number determination means. If it is determined that the predetermined number of times has been exceeded, the display mode is set to a display prohibition mode that prohibits displaying the exchange message for a predetermined period of time, After a serial predetermined period, it sets the display mode to the display permission mode.

  The display device according to the third aspect of the present invention (for example, the rear projection television receiver 21 of FIG. 1) transmits light from a light source lamp (for example, the light source lamp 33A of FIG. 1) to a screen (for example, the screen of FIG. 1). 34) In a display device that displays an image by projecting to 34), a lamp operation time determination for determining whether or not a lamp operation time indicating a total operation time of the light source lamp has exceeded a predetermined standard use time. Means (for example, the lamp operation time determination unit 82 in FIG. 2) and display control means (for example, the display control unit 83 in FIG. 2) for controlling the display of the replacement message for prompting replacement of the light source lamp on the screen. And the display control means is a power on / off that is the number of times the display device is turned on after the lamp operating time exceeds the standard use time. The exchange message is displayed when the power is turned on until the predetermined number of times is reached, and then the display of the exchange message is prohibited for a predetermined period.

  Next, embodiments of the present invention will be described with reference to the drawings.

  FIG. 1 is a block diagram showing a configuration example of an embodiment of a rear projection television receiver system to which the present invention is applied.

  The rear projection television receiver system of FIG. 1 includes a remote controller 11, a rear projection television receiver 21 (hereinafter referred to as a rear projection TV 21 as appropriate), and an antenna 26.

  The rear projection TV 21 includes a reception unit 22, an operation unit 23, a control unit 24, a storage unit 25, a TV (TeleVision) signal reception unit 27, an audio decoding unit 28, a speaker 29, a video decoding unit 30, and a GUI (Graphical User Interface) generation. The unit 31, the combining unit 32, the optical projection unit 33, and the screen 34 are configured.

  For example, when the user operates the remote controller 11, the remote controller 11 emits an operation signal corresponding to the operation of the remote controller 11 by the user to the reception unit 23 of the rear projection TV 21 by radio such as infrared rays.

  The receiving unit 22 receives an operation signal emitted from the remote controller 11 and supplies the operation signal to the control unit 24.

  The operation unit 23 is a power button, a channel button, or the like provided on the rear projection TV 21. When the user operates the operation unit 23, the operation unit 23 supplies an operation signal corresponding to the operation by the user to the control unit 24.

  Based on an operation signal from the reception unit 22 or the operation unit 23, the control unit 24 is a TV signal reception unit 27, an audio decoding unit 28, a video decoding unit 30, a GUI generation unit 31, a synthesis unit 32, or an optical projection unit. 33 is controlled.

  Further, the control unit 24 screens an exchange message that prompts the user to replace a light source lamp 33A built in the optical projection unit 33 described later, based on information stored in the storage unit 25, information supplied from the optical projection unit 33, and the like. The display mode related to the display on the screen 34 is set, and the display of the exchange message on the screen 34 is controlled according to the display mode.

  It should be noted that the control unit 24 exchanges control signals for controlling the TV signal receiving unit 27, the audio decoding unit 28, the video decoding unit 30, the GUI generation unit 31, the synthesis unit 32, or the optical projection unit 33. Are omitted to avoid complication of the figure.

  The storage unit 25 stores information (data) necessary for the control unit 24 to determine whether or not to display a replacement message for the light source lamp 33A.

  The antenna 26 receives a broadcast wave of a digital television broadcast such as a terrestrial wave or a satellite wave, and supplies a corresponding RF (Radio Frequency) signal to the TV signal receiving unit 27.

  The TV signal receiving unit 27 demodulates an RF signal of a predetermined channel (frequency band) from the digital television broadcast RF signal supplied from the antenna 26 under the control of the control unit 24 and obtains the result (baseband). The audio signal and the video signal are supplied to the audio decoding unit 28 and the video decoding unit 30, respectively.

  The audio decoding unit 28 decodes the audio signal supplied from the TV signal receiving unit 27 into a signal that can be output as audio by the speaker 29 under the control of the control unit 24, and supplies the decoded signal to the speaker 29. The speaker 29 outputs sound corresponding to the signal from the sound decoding unit 28.

  The video decoding unit 30 decodes the video signal supplied from the TV signal receiving unit 27 under the control of the control unit 24 and supplies the decoded video signal to the combining unit 32.

  The GUI generation unit 31 generates GUI data, such as a control screen displayed when the user sets the volume and brightness of the rear projection TV 21 under the control of the control unit 24, and the replacement message of the light source lamp 33A. And supplied to the combining unit 32.

  The synthesis unit 32 synthesizes (superimposes) the decoded video signal supplied from the video decoding unit 30 and the GUI (data) supplied from the GUI generation unit 31 under the control of the control unit 24, and the result The resultant composite signal is supplied to the optical projection unit 33. When the GUI is not supplied from the GUI generation unit 31, the synthesis unit 32 supplies the decoded video signal from the video decoding unit 30 to the optical projection unit 33 as it is as a synthesized signal.

  The optical projection unit 33 has a built-in light source lamp 33A, and the light source lamp 33A is turned on or off when the power of the rear projection TV 21 is turned on or off by operating the remote controller 11 or the operation unit 23, respectively. . The optical projection unit 33 responds to the composite signal by adjusting the transmission amount of light emitted when the light source lamp 33A is turned on, for example, by a liquid crystal panel (not shown) according to the composite signal supplied from the composite unit 32. The projected light is projected onto the screen 34. As a result, on the screen 34, an image corresponding to the combined signal supplied from the combining unit 32 to the optical projection unit 33 is displayed.

  Further, the optical projection unit 33 measures the lamp operation time that is the total time from when the light source lamp 33A is turned on until it is turned off, that is, the lamp operation time that represents the total time that the light source lamp 33A is operated, and the control unit 24 To supply. Here, the optical projection unit 33 stores the lamp operation time in a nonvolatile memory (not shown), and when the light source lamp 33A is turned on, the optical projection unit 33 measures the lamp operation time using the value stored in the nonvolatile memory as an initial value. . Note that the lamp operating time stored in the nonvolatile memory is reset to 0 when the rear projection TV 21 is shipped from the factory, and is reset to 0 when the light source lamp 33A is replaced.

  FIG. 2 is a block diagram illustrating a configuration example of the control unit 24 of FIG.

  In FIG. 2, the control unit 24 includes a lamp operation time acquisition unit 81, a lamp operation time determination unit 82, a display control unit 83, a display mode setting unit 84, a power-on number count unit 85, a power-on number determination unit 86, and a display prohibition. A time counting unit 87 and a display prohibition time determination unit 88 are included. FIG. 2 illustrates only the configuration of the control unit 24 that performs processing related to the display of the exchange message. Further, in FIG. 2, illustration of signal lines for exchanging signals to be inputted to and outputted from each block is omitted in order to avoid making the figure complicated.

  The lamp operation time acquisition unit 81 acquires the total time (lamp operation time) when the light source lamp 33A built in the optical projection unit 33 is lit.

  That is, as described above, the optical projection unit 33 measures and manages (stores) the lamp operation time of the light source lamp 33A, and the lamp operation time acquisition unit 81 receives the rear projection from the reception unit 22 or the operation unit 23. When the power-on signal for turning on the TV 21 is received, the optical projection unit 33 is requested for the lamp operating time. The optical projection unit 33 supplies the lamp operation time stored (managed) to the lamp operation time acquisition unit 81 of the control unit 24 in response to a request from the lamp operation time acquisition unit 81, and the lamp operation time acquisition unit 81. Receives the lamp operation time supplied from the optical projection unit 33 and supplies it to the lamp operation time determination unit 82.

  Here, the lamp operation time may be measured by the lamp operation time acquisition unit 81 instead of being measured by the optical projection unit 33.

  The lamp operation time determination unit 82 determines the lamp operation time from the lamp operation time acquisition unit 81 as a predetermined standard use time, that is, as an approximate lifetime of the light source lamp 33A in the specification of the light source lamp 33A, for example. It is determined whether or not a predetermined time (lamp life time) is exceeded. The standard use time can be stored in advance in the storage unit 25, for example, or can be acquired from the optical projection unit 33 when the optical projection unit 33 manages it.

  The display control unit 83 controls the generation of the exchange message in the GUI generation unit 31 and, consequently, the display of the exchange message on the screen 34.

  The display mode setting unit 84 sets the display mode based on the result of the lamp operation time determination performed by the lamp operation time determination unit 82. Here, as a display mode, an initial prohibition mode in which display of a replacement message of the light source lamp 33A is prohibited until the lamp operation time exceeds the standard use time, and the light source lamp is only for a certain time from when the rear projection TV 21 is turned on. There is a display permission mode for displaying the replacement message of 33A and a display prohibition mode for prohibiting displaying the replacement message of the light source lamp 33A after the lamp operation time exceeds the standard use time. When the rear projection TV 21 is shipped from the factory, the display mode is the initial prohibition mode. The display mode is also set to the initial prohibition mode when the light source lamp 33A is replaced. The display mode is stored in the storage unit 25 (FIG. 1).

  The power-on count unit 85 counts the number of times the rear projection TV 21 is turned on when the display mode is set to the display permission mode (the light source lamp 33A is turned on when the power is turned on). The number of times the power is turned on is counted and supplied to the power on number determination unit 86.

  The power-on count determination unit 86 determines whether the power-on count from the power-on count counter 85 exceeds a power-on threshold that is determined in advance as a threshold for the power-on count. The power-on threshold value can be stored in advance in the storage unit 25 (FIG. 1), for example.

  The display prohibition time counting unit 87 measures the time when the light source lamp 33A is turned on after the display mode is changed to the display prohibition mode (hereinafter, appropriately referred to as display prohibition time), and supplies the time to the display prohibition time determination unit 88. .

  The display prohibition time determination unit 88 determines whether or not the display prohibition time from the display prohibition time timer 87 exceeds a prohibition time threshold that is determined in advance as a display prohibition time threshold. The prohibition time threshold can be stored in advance in the storage unit 25 (FIG. 1), for example.

  Next, processing in the rear projection television receiver system of FIG. 1 will be described with reference to the flowchart of FIG.

  When the user operates the remote controller 11 or the operation unit 23 to turn on the power of the rear projection TV 21, a power-on signal for turning on the power of the rear projection TV 21 from the receiving unit 22 or the operation unit 23 is sent to the control unit 24. To be supplied. In this case, the rear projection TV 21 starts the process shown in FIG.

  That is, in step S11, the light source lamp 33A of the optical projection unit 33 is changed from the off state to the on state, and the process proceeds to step S12.

  In step S <b> 12, the antenna 26 receives a digital radio wave broadcast wave and supplies a corresponding RF signal to the TV signal receiving unit 27. The TV signal receiving unit 27 demodulates the RF signal of a predetermined channel from the RF signal of the digital television broadcast supplied from the antenna 26, and the audio signal and the video signal obtained as a result are respectively transmitted to the audio decoding unit 28 and The video signal is supplied to the video decoding unit 30, and the process proceeds from step S12 to step S13.

  Step S13 includes steps S14 to S16. In step S13, the rear projection TV 21 performs processing for outputting sound from the speaker 29 and displaying an image on the screen 34.

  That is, in step S <b> 14, the audio decoding unit 28 decodes the audio signal supplied from the TV signal receiving unit 27 into a signal that can be output as audio by the speaker 29 and supplies the decoded signal to the speaker 29. As a result, sound corresponding to the signal from the sound decoding unit 28 is output from the speaker 29.

  On the other hand, in step S15, the video decoding unit 30 decodes and outputs the video signal supplied from the TV signal receiving unit 27, and proceeds to step S16. The video signal output from the video decoding unit 30 is supplied to the optical projection unit 33 as a combined signal through the combining unit 32.

  Here, the synthesizing unit 32 synthesizes (superimposes) the decoded video signal supplied from the video decoding unit 30 and the GUI supplied from the GUI generating unit 31, and the resulting synthesized signal is optically projected. To the unit 33.

  When the GUI is not supplied from the GUI generating unit 31 to the combining unit 32, the combining unit 32 directly uses the decoded video signal supplied from the video decoding unit 30 as a combined signal as described above. Supply to the projection unit 33.

  In step S <b> 16, the optical projection unit 33 adjusts the light emitted when the light source lamp 33 </ b> A is turned on according to the combined signal supplied via the combining unit 32, and projects the light onto the screen 34. As a result, a video corresponding to the composite signal is displayed on the screen 34.

  Then, it progresses to step S21 and the control part 24 processes the exchange message mentioned later. When the power of the rear projection TV 21 is turned off, the light source lamp 33A is turned off, and the process ends.

  Next, details of the exchange message processing in step S21 of FIG. 3 will be described with reference to the flowchart of FIG.

  In step S 51, the lamp operation time acquisition unit 81 acquires the lamp operation time from the optical projection unit 33 and supplies it to the lamp operation time determination unit 82. Further, in step S51, the lamp operation time determination unit 82 determines whether or not the lamp operation time from the lamp operation time acquisition unit 81 exceeds the standard use time.

  If it is determined in step S51 that the lamp operation time does not exceed the standard use time, the process returns. When the lamp operation time does not exceed the standard usage time, the display mode stored in the storage unit 25 (FIG. 1) is the initial prohibition mode.

  On the other hand, if the lamp operation time determination unit 82 determines in step S51 that the lamp operation time exceeds the standard use time, the determination result is supplied to the display mode setting unit 84, and the process proceeds to step S52. move on.

  When the determination result that the lamp operation time exceeds the standard use time is supplied from the lamp operation time determination unit 82, the display mode setting unit 84 displays the display mode stored in the storage unit 25 in step S52. And whether or not the display mode is the initial prohibition mode is determined.

  If it is determined in step S52 that the display mode is the initial prohibition mode, the process proceeds to step S53, and the display mode setting unit 84 sets the display mode to the display permission mode, that is, stores it in the storage unit 25. The displayed display mode is set to the display permission mode, and the process proceeds to step S55. Therefore, when the lamp operation time exceeds the standard use time and the display mode is in the initial prohibition mode, that is, the lamp operation time after the current use of the light source lamp 33A is started. When the standard usage time is exceeded for the first time, the display mode is changed from the initial prohibition mode to the display permission mode.

  As described above, when the display mode is changed to the display permission mode, in step S55, the power-on number counting unit 85 increments the power-on number with an initial value of 0 stored in the storage unit 25 by one ( Count) and supply to the power-on count determination unit 86, and the process proceeds to step S56.

  In step S <b> 56, the power-on count determination unit 86 determines whether the power-on count from the power-on count counter 85 is within the power-on threshold stored in the storage unit 25.

  In step S56, when the power-on count determining unit 86 determines that the power-on count is within the power-on threshold, the determination result is supplied to the display control unit 83, and the process proceeds to step S57. When the determination result that the power-on count is within the power-on threshold is supplied from the power-on count determination section 86, the display control section 83 outputs a replacement message for a predetermined time in step S57. Control the GUI generation unit 31 and return.

  The GUI generation unit 31 generates a replacement message GUI for the light source lamp 33A according to the control from the display control unit 83, and outputs it for a predetermined time (for example, one minute). The exchange message output from the GUI generation unit 31 is supplied to the optical projection unit 33 via the synthesis unit 32, whereby the exchange message is displayed on the screen 34 for a predetermined time.

  On the other hand, when it is determined in step S52 that the display mode is not the initial prohibition mode, the process proceeds to step S54, and the display mode setting unit 84 determines whether or not the display mode is the display permission mode.

  If it is determined in step S54 that the display mode is the display permission mode, the process proceeds to step S55, and the same processing as described above is performed.

  Therefore, when the lamp operation time exceeds the standard usage time, the display mode is set to the display permission mode, and if the number of times the power is turned on in the display permission mode is within the power on threshold, the replacement is required. A message is displayed for a predetermined time (after the rear projection TV 21 is turned on).

  On the other hand, in step S56, the power-on number determination unit 86 determines that the power-on number has exceeded the power-on threshold, that is, the number of times the power-on number exceeds the power-on threshold after the display mode becomes the display permission mode. When the power of the projection TV 21 is turned on, the process proceeds to step S58, and the display mode setting unit 84 sets the display mode to the display prohibition mode, resets the number of power-on times (value is set to 0), and proceeds to step S59. move on.

  Therefore, when the lamp operating time exceeds the standard usage time, when the display mode is the display permission mode and the power on count in the display permission mode exceeds the power on threshold, The display mode is changed from the display permission mode to the display prohibition mode, and the power-on count is reset.

  In step S59, the display prohibition time counting unit 87 starts measuring the display prohibition time, which is the elapsed time since the display mode was changed to the display prohibition mode.

  Note that the display prohibition time started in step S59 is performed while the light source lamp 33A is turned on, and is temporarily stopped when the light source lamp 33A is turned off.

  That is, the display prohibition time timing unit 87 supplies the display prohibition time to the storage unit 25 and stores it when the power of the rear projection TV 21 is turned off after the start of the display prohibition time measurement. After that, when the power of the rear projection TV 21 is turned on, the display prohibition time counting unit 87 continues to count the display prohibition time using the display prohibition time stored in the storage unit 25 as an initial value.

  After the processing of step S59, the process proceeds to step S60, and the display prohibition time determination unit 88 determines whether or not the display prohibition time counted by the display prohibition time timing unit 87 is within the prohibition time threshold, and display prohibition. If it is determined that the time is within the prohibited time threshold, the process returns.

  On the other hand, if it is determined in step S54 described above that the display mode is not the display permission mode, that is, if the display mode is the display prohibition mode, the process proceeds to step S60, and the same processing is performed thereafter.

  Therefore, when the lamp operation time exceeds the standard use time, the display mode is set to the display prohibition mode, and after the display prohibition mode is set, the display prohibition time, that is, the power source of the rear projection TV 21 is set. When the light source lamp 33A is turned on, and thus the time when the light source lamp 33A is lit is within the prohibition time threshold, the replacement message is displayed even though the lamp operation time exceeds the standard use time. Not.

  As a result, after the lamp operating time exceeds the standard usage time, the user is prevented from feeling bothered as compared to the case where the replacement message is displayed each time the rear projection TV 21 is turned on. can do.

  On the other hand, when the display prohibition time determination unit 88 determines in step S60 that the display prohibition time exceeds the prohibition time threshold, the process proceeds to step S61, and the display mode setting unit 84 sets the display mode to the display permission mode. To do. Further, in step S61, the display prohibition time timing unit 87 ends the display prohibition time measurement, resets the display prohibition time stored in the storage unit 25 to 0, and proceeds to step S57. As described above, the display control unit 83 controls the GUI generation unit (FIG. 1) so as to output the exchange message for a predetermined time, and returns.

  Therefore, when the lamp operation time exceeds the standard use time, the display mode is set to the display prohibition mode, and after the display prohibition mode is set, the display prohibition time, that is, the power source of the rear projection TV 21 is set. When the time when the light source lamp 33A is turned on, and thus the time when the light source lamp 33A is lit, exceeds the prohibition time threshold, the display mode is changed from the display prohibition mode to the display permission mode. Reset. Then, on the rear projection TV 21, an exchange message is displayed for a predetermined time (after the power of the rear projection TV 21 is turned on).

  As described above, the rear projection TV 21 determines whether or not to display the replacement message for the light source lamp 33A based on the display mode, so that the user is not bothered by the replacement message for the light source lamp 33A. It can be displayed appropriately.

  Next, with reference to FIG. 5, display control by the display control unit 83 (FIG. 2) of the replacement message of the light source lamp 33 </ b> A performed by executing the replacement message processing of FIG. 4 in the rear projection TV 21 will be described. .

  The horizontal axis of FIG. 5 represents the lamp operating time, and the arrow shown below the horizontal axis represents the timing (time) when the power of the rear projection TV 21 is turned on. Moreover, the arrow shown on the horizontal axis of FIG. 5 represents the display of the replacement message of the light source lamp 33A.

  In FIG. 5, the standard use time is, for example, 8000 hours, and the power-on threshold is, for example, 5 times. Furthermore, in FIG. 5, the prohibition time threshold is, for example, 50 hours.

  Until the lamp operating time exceeds 8000 hours, which is the standard usage time, the display mode is the initial prohibition mode. In this case, the display control unit 83 (FIG. 2) turns on the power of the rear projection TV 21. Also, the replacement message for the light source lamp 33A is not displayed (display is prohibited). That is, as long as the lamp operating time does not exceed the standard usage time of 8000 hours, the replacement message for the light source lamp 33A is not displayed.

  Thereafter, when the lamp operation time exceeds 8000 hours which is the standard use time, the display mode is changed from the initial prohibition mode to the display permission mode in the display mode setting unit 84 (FIG. 2).

  When the display mode is the display permission mode, when the power of the rear projection TV 21 is turned on, the display control unit 83 is the power-on threshold, which is the number of times the power is turned on. Unless the number of times exceeds five, the replacement message of the light source lamp 33A is displayed for a certain time after the power is turned on.

  When the display mode is the display permission mode and the number of power on times exceeds 5 which is the power on threshold, the display mode setting unit 84 changes the display mode from the display permission mode to the display prohibit mode. Changed to

  When the display mode becomes the display prohibition mode, the display control unit 83 is the lamp operation time when the power is turned on after the display prohibition mode is set, that is, the display prohibition time is the prohibition time threshold. Until the time exceeds 50 hours, display of the replacement message of the light source lamp 33A is prohibited. Therefore, even if the power of the rear projection TV 21 is turned on until the time after the display mode is changed to the display prohibition mode exceeds the prohibition time threshold value, the replacement message is not displayed.

  After that, when the time since the display mode is changed to the display prohibition mode (display prohibition time) exceeds the prohibition time threshold value of 50 hours, the display mode is set from the display prohibition mode in the display mode setting unit 84. As described above, the display control unit 83 displays the replacement message when the power of the rear projection TV 21 is turned on.

  Hereinafter, in the display mode setting unit 84, the display mode is alternately changed between the display permission mode and the display prohibition mode, and in the rear projection TV 21, the display control unit 83 is only in the case where the display mode is the display permission mode. When the rear projection TV 21 is turned on, an exchange message for the light source lamp 33A is displayed.

  As described above, after the lamp operation time exceeds the standard use time, the replacement message is displayed when the power is turned on until the number of times the power is turned on reaches a predetermined number (5 times in FIG. 5). After that, since the display of the exchange message is repeatedly prohibited for a predetermined period (50 hours in FIG. 5), that is, the exchange message is displayed intermittently, that is, every time the power is turned on. In addition, since the replacement message is always displayed, it is possible to prompt the user to replace the light source lamp 33A while preventing the user from feeling troublesome.

  FIG. 6 is a diagram schematically illustrating an example of a state in which the replacement message for the light source lamp 33A is displayed on the screen 34 of the rear projection TV 21 in FIG.

  That is, the large rectangle in FIG. 6 (entire) represents the screen 34 when viewed from the front, and the small rectangle with the letters in FIG. 6 (lower right) is the light source lamp 33A displayed on the screen 34. Represents an exchange message.

  In the rear projection TV 21, when the display mode is the display permission mode, when the power of the rear projection TV 21 is turned on, a replacement message of the light source lamp 33A as shown in FIG. For 1 minute).

  Note that the position on the screen 34 where the exchange message is displayed is not particularly limited, but it is desirable to set the position on the end of the screen 34 so as not to disturb the user's viewing of the video as much as possible. Also, the replacement message is not limited to “Lamp replacement time has come. Lamp replacement is recommended.” Shown in FIG.

  Next, another embodiment of the exchange message processing in step S21 in FIG. 3 will be described with reference to the flowchart in FIG.

  Here, it is assumed that the storage unit 25 stores a maximum usage time longer than the standard usage time. If the standard use time is a time when it is preferable to replace the light source lamp 33A, the maximum use time is a time when the light source lamp 33A should be replaced promptly.

  In step S <b> 101, the lamp operation time acquisition unit 81 acquires the lamp operation time from the optical projection unit 33 and supplies it to the lamp operation time determination unit 82. Further, in step S101, the lamp operation time determination unit 82 determines whether or not the lamp operation time from the lamp operation time acquisition unit 81 exceeds the standard use time. If it is determined in step S101 that the lamp operation time does not exceed the standard use time, the process returns.

  On the other hand, if the lamp operation time determination unit 82 determines in step S101 that the lamp operation time exceeds the standard use time, the process proceeds to step S102, where the lamp operation time is the maximum stored in the storage unit 25. Determine whether the usage time has been exceeded.

  In step S102, when the lamp operation time determination unit 82 determines that the lamp operation time does not exceed the maximum usage time, the process proceeds to step S103, and in steps S103 to S112, steps S52 to S112 in FIG. The same processing as in S61 is performed.

  On the other hand, if it is determined in step S102 that the lamp operating time exceeds the maximum usage time, the process proceeds to step S108, and the display control unit 83 displays an exchange message, similarly to step S57 in FIG. Return.

  Therefore, when the lamp operation time does not exceed the maximum use time, the replacement message is displayed in the same manner as in FIG. When the lamp operating time exceeds the maximum usage time, each time the rear projection TV 21 is turned on, a replacement message for the light source lamp 33A is always displayed for a certain time from when the power is turned on. Is done.

  As described above, when the lamp operating time not only exceeds the standard usage time but also exceeds the maximum usage time longer than that, the power source of the rear projection TV 21 is subsequently changed until the light source lamp 33A is replaced. Each time is turned on, an exchange message is displayed on the screen 34 for a fixed time from when the power is turned on. Therefore, it is possible to prompt the user to replace the light source lamp 33A.

  As the maximum use time, for example, a time slightly before the light source lamp 33A is turned off (a time slightly before the time when the light source lamp 33A is expected to be turned off) can be set.

  In addition, an exchange message that is displayed when the lamp operation time does not exceed the maximum use time but exceeds the standard use time, and an exchange message that is displayed when the lamp operation time exceeds the maximum use time. May be the same or different. For example, the exchange message displayed when the lamp operation time exceeds the maximum use time is the exchange message displayed when the lamp operation time does not exceed the maximum use time but exceeds the standard use time. In comparison, the message can promptly replace the light source lamp 33A.

  With reference to FIG. 8, display control by the display control unit 83 of the replacement message of the light source lamp 33 </ b> A performed by executing the replacement message processing of FIG. 7 in the rear projection TV 21 will be described.

  In FIG. 8, as in FIG. 5, the display mode starts from the initial prohibition mode, is then set to the display permission mode, and is further set to the display prohibition mode. The prohibition mode is alternately repeated, but if the lamp operation time exceeds the maximum usage time, the display control unit 83 must be replaced whenever the rear projection TV 21 is turned on regardless of the display mode. Display a message.

  FIG. 9 is a block diagram illustrating a hardware configuration example for executing the program for realizing the function of the control unit 24 illustrated in FIG. 2 by executing the program.

  A CPU (Central Processing Unit) 201 executes various processes according to a program stored in a ROM (Read Only Memory) 202 or a storage unit 208. A RAM (Random Access Memory) 203 appropriately stores programs executed by the CPU 201 and data. The CPU 201, ROM 202, and RAM 203 are connected to each other via a bus 204.

  An input / output interface 205 is also connected to the CPU 201 via the bus 204.

The storage unit 208 connected to the input / output interface 205 includes, for example, a hard disk or a nonvolatile memory, and stores programs executed by the CPU 201 and various data. Note that the storage unit 25 in FIG. 1 corresponds to the storage unit 208.

  The program executed by the CPU 201 can be installed (stored) in the storage unit 208 in advance, or can be a magnetic disk (including a flexible disk), an optical disk (CD-ROM (Compact Disc-Read Only Memory), DVD (Digital (Including a Versatile Disc), a magneto-optical disk), or a removable medium that is a package medium made of a semiconductor memory or the like, and can be installed in the storage unit 208 from such a removable medium. it can. The program can also be installed using a wired or wireless communication medium such as a local area network, the Internet, or digital satellite broadcasting via the input / output interface 205.

  When the user replaces the light source lamp 33A by the replacement message of the light source lamp 33A displayed on the rear projection TV 21 (the screen 34 thereof), the lamp operation time, the number of times the power is turned on, the display prohibition time, and the display mode are displayed. Is reset (reset to default).

  For example, the lamp operation time can be reset by, for example, having the user operate a predetermined reset button after replacing the light source lamp 33A and using the reset button as a trigger.

  Further, when the rear projection TV 21 can include a plurality of types of light source lamps 33A, the optical projection unit 33 determines the type of the light source lamp 33A provided in the rear projection TV 21, and the determination result (the light source lamp 33A). Is supplied to the control unit 24, the control unit 24 can set the standard use time stored in the storage unit 25 to the standard use time of the light source lamp 33A. In this case, the storage unit 25 stores lamp standard use time information in which the type information of the plurality of types of light source lamps 33A and the standard use time of the light source lamps 33A are linked. 24, the standard use time of the light source lamp 33A is set based on the type information of the light source lamp 33A supplied from the optical projection unit 33 and the lamp standard use time information.

  The standard use time, power-on threshold value, prohibition time threshold value, or maximum use time stored in the storage unit 25 can be changed by, for example, the user operating the operation unit 23 or the remote controller 11. can do.

  In the present embodiment, the time during which the rear projection TV 21 is turned on (display prohibited time) after the display mode is set to the display prohibited mode in the display prohibited time counting unit 87 in FIG. 4 is displayed. Time until the display prohibition time determination unit 88 determines that the display prohibition time has exceeded the prohibition time threshold, that is, after entering the display prohibition mode, a predetermined time (corresponding to the prohibition time threshold) The display mode is set to the display prohibition mode only during the predetermined period until the elapse of time), but the predetermined period for setting the display mode to the display prohibition mode is It is not limited to this.

  That is, for example, the number of times the power of the rear projection TV 21 is turned on after the display mode is set to the display prohibition mode is counted by the power-on count counter 85, and the number of times the power is turned on is The period until the predetermined number of times is reached is defined as a predetermined period, and the display mode can be set to the display prohibition mode only during the predetermined period. In this case, the display prohibition time counting unit 87 and the display prohibition time determination unit 88 are unnecessary in FIG.

  As described above, the case where the present invention is applied to the rear projection television receiver system has been described. However, the present invention can be applied to any apparatus having a light source lamp and capable of displaying a message.

  In addition, in the present specification, the steps described in the flowcharts are executed in parallel or individually even if they are not necessarily processed in time series, as well as processes performed in time series in the described order. It also includes processing.

  Furthermore, in this specification, the system represents the entire apparatus constituted by a plurality of apparatuses.

  The embodiment of the present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the gist of the present invention.

It is a block diagram which shows the structural example of one Embodiment of the rear projection television receiver system to which this invention is applied. It is a block diagram which shows the structural example of the control part 24 of FIG. It is a flowchart which shows the process in the rear projection television receiver system to which this invention is applied. It is a flowchart which shows the detail of the process of the exchange message in step S21 of FIG. It is a figure explaining the display of the exchange message of the light source lamp 33A performed by performing the process of the exchange message of FIG. It is a figure which shows the example of a display of the replacement message of the light source lamp 33A. It is a flowchart which shows other embodiment of the process of the exchange message in step S21 of FIG. It is a figure explaining the display of the exchange message of the light source lamp 33A performed by performing the process of the exchange message of FIG. 3 is a block diagram illustrating a hardware configuration example of a control unit 24. FIG.

Explanation of symbols

  11 remote controller, 21 rear projection television receiver, 22 receiving unit, 23 operation unit, 24 control unit, 25 storage unit, 26 antenna, 27 TV signal receiving unit, 28 audio decoding unit, 29 speaker, 30 video decoding unit, 31 GUI generation unit, 32 composition unit, 33 optical projection unit, 33A light source lamp, 34 screen, 81 lamp operation time acquisition unit, 82 lamp operation time determination unit, 83 display control unit, 84 display mode setting unit, 85 power-on count Count section, 86 Power-on count determination section, 87 Display prohibition time counting section, 88 Display prohibition time determination section, 201 CPU, 202 ROM, 203 RAM, 204 bus, 205 I / O interface, 208 storage section

Claims (9)

In a control device that controls a display device that displays an image using light from a light source lamp,
Lamp operating time determination means for determining whether or not the lamp operating time representing the total operating time of the light source lamp exceeds a predetermined standard usage time;
Display mode setting means for setting a display mode related to display of a replacement message for prompting replacement of the light source lamp;
A power-on-count counter that counts the number of times the display device is turned on when the display mode is set to a display permission mode for displaying the exchange message on the display device; ,
A power-on count determining means for determining whether or not the power-on count exceeds a predetermined count,
The display mode setting means includes
When the lamp operation time determination means determines that the lamp operation time exceeds the standard use time, the display mode is set to the display permission mode,
When the power-on number determination means determines that the power-on number exceeds the predetermined number, the display mode is changed to a display prohibition mode for prohibiting the display of the replacement message for a predetermined period. A control device configured to set the display mode to the display permission mode after elapse of the predetermined period. The display mode setting means sets, as the predetermined period, a period from when the display mode is set to the display prohibition mode until the number of times the power is turned on reaches a predetermined number of times. The control device according to claim 1, wherein the display mode is set to the display prohibition mode only during a period of time. The display mode setting means sets the display mode only for the predetermined period as the predetermined period from when the display mode is set to the display prohibition mode until a predetermined time elapses. The control device according to claim 1, wherein the display prohibit mode is set. The control device according to claim 1, wherein the standard use time is a lamp life time determined as a life time of the light source lamp in the specification of the light source lamp. The lamp operating time determination means further determines whether or not the lamp operating time exceeds a maximum usage time longer than the standard usage time;
The said replacement message is displayed on the said display apparatus, when the said lamp operation time determination means determines with the said lamp operation time having exceeded the said maximum use time, irrespective of the said display mode. Control device. In a control method of a display device that displays an image using light from a light source lamp,
Determining whether the lamp operating time representing the total operating time of the light source lamp exceeds a predetermined standard usage time;
Set a display mode for displaying a replacement message for prompting replacement of the light source lamp,
Counting the number of power-on times indicating the number of times the display device is turned on when the display mode is set to a display permission mode for displaying the exchange message on the display device,
Determining whether the number of times of power-on exceeds a predetermined number of times,
When it is determined that the lamp operating time exceeds the standard usage time, the display mode is set to the display permission mode,
When it is determined that the number of power-on times exceeds the predetermined number, the display mode is set to a display prohibition mode that prohibits displaying the exchange message for a predetermined period. A control method that is set to the display permission mode after elapses. In a program for causing a computer to execute control of a display device that displays an image using light from a light source lamp,
Determining whether the lamp operating time representing the total operating time of the light source lamp exceeds a predetermined standard usage time;
Set a display mode for displaying a replacement message for prompting replacement of the light source lamp,
Counting the number of power-on times indicating the number of times the display device is turned on when the display mode is set to a display permission mode for displaying the exchange message on the display device,
Determining whether the number of times of power-on exceeds a predetermined number of times,
When it is determined that the lamp operating time exceeds the standard usage time, the display mode is set to the display permission mode,
When it is determined that the number of power-on times exceeds the predetermined number, the display mode is set to a display prohibition mode that prohibits displaying the exchange message for a predetermined period. A program that causes a computer to execute control that is set to the display permission mode after elapse. In a display device that displays an image using light from a light source lamp,
Lamp operating time determination means for determining whether or not the lamp operating time representing the total operating time of the light source lamp exceeds a predetermined standard usage time;
Display mode setting means for setting a display mode related to display of a replacement message for prompting replacement of the light source lamp;
Display means for displaying the exchange message using light from the light source lamp;
A power-on-count counter that counts the number of times the display device is turned on when the display mode is set to a display permission mode for displaying the exchange message on the display device; ,
A power-on count determining means for determining whether or not the power-on count exceeds a predetermined count,
The display mode setting means includes
When the lamp operation time determination means determines that the lamp operation time exceeds the standard use time, the display mode is set to the display permission mode,
When the power-on number determination means determines that the power-on number exceeds the predetermined number, the display mode is changed to a display prohibition mode for prohibiting the display of the replacement message for a predetermined period. A display device configured to set the display mode to the display permission mode after elapse of the predetermined period. In a display device that displays an image by projecting light from a light source lamp onto a screen,
A lamp operation time determination means for determining whether or not a lamp operation time representing a total operation time of the light source lamp has exceeded a predetermined standard use time;
Display control means for controlling display on the screen of an exchange message for prompting replacement of the light source lamp,
The display control means, after the lamp operating time exceeds the standard use time,
The exchange message is displayed when the power is turned on until the number of times the power is turned on, which is the number of times the display device is turned on, takes a predetermined number of times, and then the exchange message is displayed only for a predetermined period. Repeated prohibiting display of display devices.

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