TWI390394B - Power saving method and electronic device using the same - Google Patents

Power saving method and electronic device using the same Download PDF

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TWI390394B
TWI390394B TW096151227A TW96151227A TWI390394B TW I390394 B TWI390394 B TW I390394B TW 096151227 A TW096151227 A TW 096151227A TW 96151227 A TW96151227 A TW 96151227A TW I390394 B TWI390394 B TW I390394B
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message
electronic device
display panel
audio
played
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TW096151227A
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TW200928716A (en
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Lung Dai
Kun Huang
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Hon Hai Prec Ind Co Ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management

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Description

電子裝置及其節能方法Electronic device and energy saving method thereof

本發明涉及節能領域，特別涉及一種電子裝置及其節能方法。The present invention relates to the field of energy conservation, and in particular to an electronic device and an energy saving method thereof.

近年來，能夠記錄大量高品質視頻和音頻數據之光碟，例如DVD光碟等，已經廣泛地應用於人們之日常生活中。相應于CD、DVD光碟等，諸如DVD播放器也已經被開發出來並實現了商業應用。光碟播放器用於讀取記錄在光碟上之視頻和音頻數據，使得視頻和音頻數據可以被分別顯示在顯示面板和藉由揚聲器輸出。In recent years, optical discs capable of recording a large amount of high-quality video and audio data, such as DVD discs, have been widely used in people's daily lives. Corresponding to CDs, DVDs, etc., such as DVD players have also been developed and commercialized. The disc player is used to read video and audio data recorded on the disc so that the video and audio data can be separately displayed on the display panel and output through the speaker.

惟，可擕式光碟播放機、行動電話、MP3及MP4等電子裝置中，顯示器及揚聲器都工作時消耗之功率較大，造成電池使用時間較短。However, in electronic devices such as portable CD players, mobile phones, MP3s, and MP4s, the power consumption of the display and the speakers are large, resulting in a short battery life.

有鑒於此，有必要提供一種可延長電池使用時間之電子裝置。In view of this, it is necessary to provide an electronic device that can extend battery life.

其次，還有必要提供一種延長該電子裝置之電池使用時間之節能方法。Secondly, it is also necessary to provide an energy saving method for extending the battery life of the electronic device.

一種電子裝置，包括顯示面板、電源單元、開關單元及微處理器。微處理器用於處理待播放之音視頻訊息，開關單元連接於顯示面板和電源單元之間。微處理器用於偵測到待播放之訊息為音頻訊息時斷開開關單元，以斷開顯示面板之電源供給。An electronic device includes a display panel, a power supply unit, a switch unit, and a microprocessor. The microprocessor is used to process the audio and video messages to be played, and the switch unit is connected between the display panel and the power unit. The microprocessor is configured to disconnect the switch unit when the message to be played is an audio message, to disconnect the power supply of the display panel.

一種電子裝置，包括顯示面板、電源單元、開關單元、輸入單元及微處理器。微處理器用於處理待播放之音視頻訊息，輸入單元用於輸入是否顯示文本訊息之指令，開關單元連接於顯示面板和電源單元之間，電源單元連接微處理器。微處理器用於偵測到待播放之訊息為音頻訊息時藉由顯示面板提示是否顯示文本訊息，微處理器還用於接收到不顯示文本訊息之指令時斷開所述開關單元，以斷開顯示面板之電源供給。An electronic device includes a display panel, a power supply unit, a switch unit, an input unit, and a microprocessor. The microprocessor is used to process the audio and video messages to be played, the input unit is used to input an instruction to display the text message, the switch unit is connected between the display panel and the power supply unit, and the power supply unit is connected to the microprocessor. The microprocessor is configured to detect whether the text message is displayed by the display panel when the message to be played is an audio message, and the microprocessor is further configured to disconnect the switch unit when receiving the instruction to not display the text message, to disconnect The power supply of the display panel.

一種電子裝置之節能方法，包括如下步驟：偵測待播放訊息之類型；當偵測到待播放訊息為視頻和音頻訊息時，則顯示視頻訊息，播放音頻訊息；當偵測到待播放訊息為音頻訊息時，則關閉顯示功能，播放音頻訊息。An energy saving method for an electronic device includes the following steps: detecting a type of a message to be played; displaying a video message and playing an audio message when detecting that the message to be played is a video and an audio message; and detecting that the message to be played is In the case of an audio message, the display function is turned off and an audio message is played.

上述電子裝置及其節能方法，藉由偵測待播放訊息之類型，當待播放訊息為音頻訊息時，即關閉顯示面板之電源供應，如此，可有效節約電子裝置之電能消耗。The above electronic device and the energy saving method thereof can detect the type of the message to be played, and when the message to be played is an audio message, the power supply of the display panel is turned off, thereby effectively saving power consumption of the electronic device.

如圖1所示係電子裝置100之結構框圖。該電子裝置100包括顯示面板14、開關單元15、電源單元18及微處理器20。開關單元15連接於顯示面板14和電源單元18之間，電源單元18藉由開關單元15給顯示面板14提供電源。當微處理器20偵測到待播放之訊息為音頻訊息時，微處理器20斷開開關單元15，電源單元18停止給顯示面板14提供電源，如此可節省電子裝置100之電能消耗，延長電池使用時間。FIG. 1 is a structural block diagram of an electronic device 100. The electronic device 100 includes a display panel 14, a switch unit 15, a power supply unit 18, and a microprocessor 20. The switch unit 15 is connected between the display panel 14 and the power supply unit 18, and the power supply unit 18 supplies power to the display panel 14 through the switch unit 15. When the microprocessor 20 detects that the message to be played is an audio message, the microprocessor 20 turns off the switch unit 15, and the power unit 18 stops supplying power to the display panel 14, thereby saving power consumption of the electronic device 100 and extending the battery. usage time.

圖2係第一較佳實施方式之電子裝置200之示意圖。該電子裝置200獲得待播放訊息之方式為藉由光學讀寫頭10讀取光碟12上記錄之訊息，開關單元15為三極體開關16。在其他實施方式中，開關單元15還可為金屬氧化物半導體場效應晶體管(MOSFET，Metal Oxide Semiconductor Field Effect Transistor)開關、繼電器控制之機械開關等。三極體開關16包括基極160、集極162和射極164。基極160與微處理器20相連接，集極162與電源單元18相連，射極164與顯示面板14相連。微處理器20分別連接光學讀寫頭10、顯示面板14和電源單元18。2 is a schematic diagram of an electronic device 200 of the first preferred embodiment. The electronic device 200 obtains a message to be played by reading the message recorded on the optical disk 12 by the optical pickup 10, and the switch unit 15 is a three-pole switch 16. In other embodiments, the switch unit 15 may also be a metal oxide semiconductor field effect transistor (MOSFET) switch, a relay controlled mechanical switch, or the like. The triode switch 16 includes a base 160, a collector 162, and an emitter 164. The base 160 is connected to the microprocessor 20, the collector 162 is connected to the power supply unit 18, and the emitter 164 is connected to the display panel 14. The microprocessor 20 is connected to the optical pickup 10, the display panel 14, and the power supply unit 18, respectively.

光學讀寫頭10用於發射鐳射光讀出記錄在光碟12上之訊息，微處理器20用於根據光學讀寫頭10獲得之訊息偵測光碟12之類型以控制三極體開關16之導通與截止。微處理器20還用於處理由光學讀寫頭10讀出之訊息，在顯示面板14上播放視頻訊息和在揚聲器(圖未示)上播放音頻訊息。電源單元18藉由三極體開關16給顯示面板14提供電源。The optical pickup 10 is for emitting laser light to read the information recorded on the optical disk 12. The microprocessor 20 is configured to detect the type of the optical disk 12 according to the information obtained by the optical pickup 10 to control the conduction of the three-pole switch 16. With the deadline. The microprocessor 20 is also operative to process messages read by the optical pickup 10, play video messages on the display panel 14, and play audio messages on a speaker (not shown). The power supply unit 18 supplies power to the display panel 14 via the triode switch 16.

當微處理器20偵測到光碟12為視頻專用碟片時控制三極體開關16處於導通狀態，從而電源單元18可藉由三極體開關16給顯示面板14提供電源，以顯示光碟12中之視頻訊息。When the microprocessor 20 detects that the optical disc 12 is a video dedicated disc, the control triode switch 16 is in an on state, so that the power supply unit 18 can supply power to the display panel 14 through the triode switch 16 to display the optical disc 12 Video message.

若微處理器20偵測到光碟12為音頻專用碟片，如CD音頻專用光碟、僅僅用MP3音頻數據記錄之光碟或者DVD音頻碟等，微處理器20可以施加一低電平電壓給基極160，三極體開關16截止。如此，電源單元18停止給顯示面板14提供電源，顯示面板14無法顯示。光碟12中之音頻訊息藉由揚聲器(圖未示)輸出或藉由耳機輸出。If the microprocessor 20 detects that the optical disc 12 is an audio dedicated disc, such as a CD audio dedicated disc, an optical disc recorded only with MP3 audio data, or a DVD audio disc, the microprocessor 20 can apply a low level voltage to the base. 160, the triode switch 16 is turned off. As such, the power supply unit 18 stops supplying power to the display panel 14, and the display panel 14 cannot be displayed. The audio information in the disc 12 is output by a speaker (not shown) or by a headphone.

本實施方式藉由微處理器20偵測光碟12之類型，當光碟12為音頻專用碟片時，即斷開顯示面板14之電源供應。如此，可有效地節省電子裝置200之電能消耗，延長電池使用時間。In this embodiment, the microprocessor 20 detects the type of the optical disc 12. When the optical disc 12 is an audio dedicated disc, the power supply of the display panel 14 is turned off. In this way, the power consumption of the electronic device 200 can be effectively saved, and the battery life is prolonged.

如圖3所示係關閉圖2所示電子裝置200視頻顯示之方法流程圖。其步驟如下：步驟202，首先讀取光碟12，以偵測光碟12之類型。FIG. 3 is a flow chart showing a method for turning off the video display of the electronic device 200 shown in FIG. The steps are as follows: Step 202: First, the optical disc 12 is read to detect the type of the optical disc 12.

步驟204，判斷光碟12是否為音頻光碟。Step 204: Determine whether the optical disc 12 is an audio disc.

步驟206，若步驟204所識別之光碟12之類型不係音頻光碟，電源單元18給顯示面板14供電，以播放光碟12中之視頻圖片等訊息。Step 206: If the type of the optical disc 12 identified in step 204 is not an audio CD, the power supply unit 18 supplies power to the display panel 14 to play a video picture or the like in the optical disc 12.

步驟208，若步驟204所識別之光碟12之類型為音頻光碟時，則電源單元18不給顯示面板14提供電源，顯示面板14關閉。Step 208: If the type of the optical disc 12 identified in step 204 is an audio optical disc, the power supply unit 18 does not provide power to the display panel 14, and the display panel 14 is turned off.

本方法為藉由偵測光碟12之類型控制顯示面板14之顯示，當光碟12為音頻光碟時，關閉顯示面板14，如此可節省電子裝置200之電能，延長電池使用時間。The method is to control the display of the display panel 14 by detecting the type of the optical disc 12. When the optical disc 12 is an audio optical disc, the display panel 14 is turned off, thereby saving power of the electronic device 200 and prolonging the battery life.

如圖4所示係第二較佳實施方式之電子裝置300之結構框圖。該電子裝置300與圖2中電子裝置200之區別在於電子裝置300還具有輸入單元22。輸入單元22用於接收用戶之輸入並由微處理器20判斷是否顯示文本訊息。FIG. 4 is a structural block diagram of an electronic device 300 according to a second preferred embodiment. The electronic device 300 differs from the electronic device 200 of FIG. 2 in that the electronic device 300 further has an input unit 22. The input unit 22 is for receiving input from the user and judging by the microprocessor 20 whether or not to display a text message.

當微處理器20偵測到光碟12為視頻專用碟片時，控制三極體開關16處於導通狀態，從而電源單元18藉由三極體開關16給顯示面板14提供電源，以顯示光碟12中之視頻訊息。When the microprocessor 20 detects that the optical disc 12 is a video dedicated disc, the control triode switch 16 is in an on state, so that the power supply unit 18 supplies power to the display panel 14 through the triode switch 16 to display the optical disc 12 Video message.

若微處理器20偵測到光碟12為音頻專用碟片時，微處理器20首先控制三極體開關16仍然處於導通狀態，並藉由顯示面板14發出提示，以提示用戶是否需要顯示歌詞等文本訊息，然後微處理器20判斷輸入單元22是否有輸入。若用戶藉由輸入單元22輸入選擇顯示文本訊息，則微處理器20發出指令使電源單元18輸出較低之電壓，在此較低電壓作用下，顯示面板14之亮度降低為一預先設定之值。顯示面板14降低了亮度後既適合於顯示文本訊息，又可以節能。若輸入單元22之輸入為不顯示文本訊息，則微處理器20控制三極體開關16處於截止狀態，如此電源單元18停止給顯示面板14提供電源，顯示面板14無法顯示。If the microprocessor 20 detects that the optical disc 12 is an audio dedicated disc, the microprocessor 20 first controls the triode switch 16 to remain in the on state, and prompts the display panel 14 to prompt the user whether to display the lyrics, etc. The text message is then the microprocessor 20 determines if the input unit 22 has an input. If the user inputs a selection display text message through the input unit 22, the microprocessor 20 issues an instruction to cause the power supply unit 18 to output a lower voltage. Under the lower voltage, the brightness of the display panel 14 is lowered to a preset value. . The display panel 14 is both suitable for displaying text messages and saving energy when the brightness is lowered. If the input of the input unit 22 is such that no text message is displayed, the microprocessor 20 controls the triode switch 16 to be in an off state, such that the power supply unit 18 stops supplying power to the display panel 14, and the display panel 14 cannot be displayed.

本實施方式藉由微處理器20偵測光碟12之類型，當光碟12為音頻專用碟片時，根據用戶之選擇，關閉顯示面板14，或降低顯示面板14之亮度以顯示文本訊息。如此，可有效地節省電子裝置300之電能消耗。In this embodiment, the microprocessor 20 detects the type of the optical disc 12. When the optical disc 12 is an audio dedicated disc, the display panel 14 is turned off according to the user's selection, or the brightness of the display panel 14 is lowered to display a text message. In this way, the power consumption of the electronic device 300 can be effectively saved.

如圖5所示係關閉圖4所示電子裝置300視頻顯示之方法流程圖。其步驟如下：步驟302，首先讀取光碟12，以偵測光碟12之類型。FIG. 5 is a flow chart showing a method for turning off the video display of the electronic device 300 shown in FIG. The steps are as follows: Step 302: First, the optical disc 12 is read to detect the type of the optical disc 12.

步驟304，判斷光碟12是否為音頻光碟。In step 304, it is determined whether the optical disc 12 is an audio disc.

步驟306，若步驟304所識別之光碟12之類型不是音頻光碟，電源單元18給顯示面板14供電，以播放光碟12中之視頻圖片等訊息。Step 306: If the type of the optical disc 12 identified in step 304 is not an audio disc, the power supply unit 18 supplies power to the display panel 14 to play a video picture or the like in the optical disc 12.

步驟308，若步驟304所識別之光碟12之類型對應于諸如CD音頻專用光碟、僅僅用MP3音頻數據記錄之光碟或者DVD音頻碟，則提示用戶選擇是否顯示歌詞等文本訊息。Step 308, if the type of the optical disc 12 identified in step 304 corresponds to a disc such as a CD audio dedicated disc, a disc recorded only with MP3 audio data, or a DVD audio disc, the user is prompted to select whether to display a text message such as a lyric.

步驟310，判斷用戶是否選擇顯示文本訊息。In step 310, it is determined whether the user selects to display a text message.

步驟312，若步驟310中用戶未選擇顯示文本訊息，電源單元18不給顯示面板14提供電源，顯示面板14關閉。Step 312, if the user does not select to display the text message in step 310, the power supply unit 18 does not provide power to the display panel 14, and the display panel 14 is turned off.

步驟314，若步驟310中用戶選擇了顯示文本訊息，則降低顯示面板14之亮度到預先設定之值以顯示文本訊息。Step 314, if the user selects the display text message in step 310, the brightness of the display panel 14 is lowered to a preset value to display the text message.

本方法為偵測光碟12之類型，當光碟12為音頻光碟時，根據用戶之選擇，關閉顯示面板14或降低顯示面板14之亮度到預定值，如此可節省電子裝置300之電能。The method is to detect the type of the optical disc 12. When the optical disc 12 is an audio optical disc, according to the user's choice, the display panel 14 is turned off or the brightness of the display panel 14 is lowered to a predetermined value, so that the electric energy of the electronic device 300 can be saved.

如圖6所示係第三較佳實施方式之電子裝置400之結構框圖。在本實施方式中，電子裝置400可為行動電話、MP3或MP4播放機等。該電子裝置400包括顯示面板14、三極體開關16、電源單元18、微處理器40及存儲器32。電子裝置400與電子裝置100之區別在於電子裝置400具有存儲器32。存儲器32用於存儲系統預先設置格式之音頻(如wma、mp3等格式)文件、視頻(如avi、asf、wmv等格式)文件及微處理器40執行操作之系統文件。微處理器40用於處理存儲器32中存儲之音視頻文件，在顯示面板14上播放視頻訊息和在揚聲器(圖未示)上播放音頻訊息。當微處理器40偵測到播放之文件為視頻格式文件時，三極體開關16處於導通狀態，電源單元18給顯示面板14提供電源，以顯示視頻文件中之視頻訊息。FIG. 6 is a structural block diagram of an electronic device 400 according to a third preferred embodiment. In the present embodiment, the electronic device 400 may be a mobile phone, an MP3 or an MP4 player, or the like. The electronic device 400 includes a display panel 14, a triode switch 16, a power supply unit 18, a microprocessor 40, and a memory 32. The electronic device 400 differs from the electronic device 100 in that the electronic device 400 has a memory 32. The memory 32 is used for storing audio (such as wma, mp3, etc.) files, video (such as avi, asf, wmv, etc.) files, and system files for the microprocessor 40 to perform operations. The microprocessor 40 is configured to process audio and video files stored in the memory 32, play video messages on the display panel 14, and play audio messages on a speaker (not shown). When the microprocessor 40 detects that the played file is a video format file, the triode switch 16 is in an on state, and the power unit 18 supplies power to the display panel 14 to display the video message in the video file.

若播放之文件為音頻格式文件時，微處理器40可以施加一低電平電壓給基極160，三極體開關16截止。如此，電源單元18停止給顯示面板14提供電源，顯示面板14無法顯示。音頻文件中之音頻訊息藉由揚聲器(圖未示)輸出或藉由耳機輸出。If the file being played is an audio format file, the microprocessor 40 can apply a low level voltage to the base 160 and the triode switch 16 is turned off. As such, the power supply unit 18 stops supplying power to the display panel 14, and the display panel 14 cannot be displayed. The audio information in the audio file is output by a speaker (not shown) or by a headphone.

本實施方式藉由微處理器40偵測待播放文件之格式，當待播放文件為音頻格式文件時，即斷開顯示面板14之電源供應。如此，可有效地節省電子裝置400之電能消耗。In this embodiment, the microprocessor 40 detects the format of the file to be played, and when the file to be played is an audio format file, the power supply of the display panel 14 is disconnected. In this way, the power consumption of the electronic device 400 can be effectively saved.

在其他實施方式中，當播放之文件為音頻格式文件時，三極體開關16仍然處於導通狀態。微處理器40也可以根據用戶之選擇關閉顯示面板14或發出指令使電源單元18輸出較低之電壓，在此較低電壓作用下，顯示面板14之亮度降低為一預先設定之值。如此，顯示面板14僅僅用於顯示文本訊息。In other embodiments, the triode switch 16 is still in an on state when the file being played is an audio format file. The microprocessor 40 can also turn off the display panel 14 or issue an instruction to cause the power supply unit 18 to output a lower voltage, at which the brightness of the display panel 14 is reduced to a predetermined value. As such, the display panel 14 is only used to display text messages.

如圖7所示係關閉圖6所示電子裝置400視頻顯示之一種方法流程圖。其步驟如下：步驟402，電子裝置400開機後，微處理器40讀取存儲器32中音視頻文件以偵測待播放之文件類型。FIG. 7 is a flow chart showing a method for turning off the video display of the electronic device 400 shown in FIG. The steps are as follows: Step 402: After the electronic device 400 is powered on, the microprocessor 40 reads the audio and video files in the memory 32 to detect the file type to be played.

步驟404，判斷待播放文件是否為音頻格式文件。Step 404: Determine whether the file to be played is an audio format file.

步驟406，若步驟404中待播放之文件不係音頻格式文件時，電源單元18給顯示面板14提供電源，顯示面板14顯示視頻訊息，揚聲器(圖未示)播放音頻或藉由耳機播放聲音。Step 406: If the file to be played in step 404 is not an audio format file, the power unit 18 provides power to the display panel 14, the display panel 14 displays the video message, and the speaker (not shown) plays the audio or plays the sound through the earphone.

步驟408，若步驟404中待播放之文件為音頻格式文件時，三極體開關16切斷電源單元18給顯示面板14之電源供應，顯示面板14關閉。Step 408: If the file to be played in step 404 is an audio format file, the triode switch 16 turns off the power supply of the power supply unit 18 to the display panel 14, and the display panel 14 is turned off.

本方法為偵測待播放文件之類型，當待播放文件為音頻格式文件時，關閉顯示面板14，如此可節省電子裝置400之電能。The method is to detect the type of the file to be played. When the file to be played is an audio format file, the display panel 14 is turned off, so that the power of the electronic device 400 can be saved.

如圖8所示係關閉圖6所示電子裝置400視頻顯示之另一種方法流程圖。其步驟如下：步驟500，電子裝置400開機後，微處理器40讀取存儲器32中音視頻文件以偵測待播放之文件類型。FIG. 8 is a flow chart showing another method of turning off the video display of the electronic device 400 shown in FIG. The steps are as follows: Step 500: After the electronic device 400 is powered on, the microprocessor 40 reads the audio and video files in the memory 32 to detect the file type to be played.

步驟502，判斷待播放文件是否為音頻格式文件。Step 502: Determine whether the file to be played is an audio format file.

步驟504，若步驟502中待播放之文件不係音頻格式文件時，電源單元18給顯示面板14提供電源，顯示面板14顯示視頻訊息，揚聲器(圖未示)播放音頻或藉由耳機播放聲音。Step 504: If the file to be played in step 502 is not an audio format file, the power unit 18 provides power to the display panel 14, the display panel 14 displays a video message, and the speaker (not shown) plays the audio or plays the sound through the earphone.

步驟506，若步驟502中待播放之文件為音頻格式文件時，則提示用戶是否選擇顯示文本訊息。Step 506: If the file to be played in step 502 is an audio format file, the user is prompted to select whether to display the text message.

步驟508，判斷用戶是否選擇顯示文本訊息。In step 508, it is determined whether the user selects to display a text message.

步驟510，若步驟508中用戶未選擇顯示文本訊息，電源單元18不給顯示面板14之電源供應，顯示面板14關閉。Step 510, if the user does not select to display the text message in step 508, the power supply unit 18 does not supply power to the display panel 14, and the display panel 14 is turned off.

步驟512，若步驟508中用戶選擇了顯示文本訊息，則降低顯示面板14之亮度到預先設定之值以顯示文本訊息。當顯示面板14之亮度為預設值時，電子裝置400之電能消耗降低了。Step 512, if the user selects the display text message in step 508, the brightness of the display panel 14 is lowered to a preset value to display the text message. When the brightness of the display panel 14 is a preset value, the power consumption of the electronic device 400 is reduced.

本方法為偵測待播放文件之類型，當待播放文件為音頻格式文件時，根據用戶之選擇關閉顯示面板14或降低顯示面板14之亮度到預定值，如此可節省電子裝置400之電能。The method is to detect the type of the file to be played. When the file to be played is an audio format file, the display panel 14 is turned off according to the user's selection or the brightness of the display panel 14 is lowered to a predetermined value, so that the power of the electronic device 400 can be saved.

綜上所述，本發明符合發明專利要件，爰依法提出專利申請。惟，以上所述僅為本發明之較佳實施例，舉凡熟悉本案技藝之人士，在援依本案創作精神所作之等效修飾或變化，皆應包含於以下之申請專利範圍內。In summary, the present invention complies with the requirements of the invention patent and submits a patent application according to law. The above descriptions are only the preferred embodiments of the present invention, and those skilled in the art will be able to include equivalent modifications or variations in the spirit of the present invention.

顯示面板．．．14Display panel. . . 14

開關單元．．．15Switch unit. . . 15

電源單元．．．18Power unit. . . 18

微處理器．．．20,40microprocessor. . . 20,40

電子裝置．．．100,200,300,400Electronic device. . . 100,200,300,400

光學讀寫頭．．．10Optical head. . . 10

光碟．．．12Disc. . . 12

三極體開關．．．16Triode switch. . . 16

基極．．．160Base. . . 160

集極．．．162Collective. . . 162

射極．．．164Shot. . . 164

輸入單元．．．22Input unit. . . twenty two

存儲器．．．32Memory. . . 32

步驟．．．202~208step. . . 202~208

步驟．．．302~314step. . . 302~314

步驟．．．402~408step. . . 402~408

步驟．．．500~512step. . . 500~512

圖1為電子裝置之結構框圖。1 is a structural block diagram of an electronic device.

圖2為第一較佳實施方式之電子裝置之示意圖。2 is a schematic diagram of an electronic device of a first preferred embodiment.

圖3為關閉圖2所示電子裝置視頻顯示之方法流程圖。3 is a flow chart of a method for turning off the video display of the electronic device shown in FIG. 2.

圖4為第二較佳實施方式之電子裝置之結構框圖。4 is a block diagram showing the structure of an electronic device according to a second preferred embodiment.

圖5為關閉圖4所示電子裝置視頻顯示之方法流程圖。FIG. 5 is a flow chart of a method for turning off the video display of the electronic device shown in FIG.

圖6為第三較佳實施方式之電子裝置之結構框圖。FIG. 6 is a structural block diagram of an electronic device according to a third preferred embodiment.

圖7為關閉圖6所示電子裝置視頻顯示之一種方法流程圖。7 is a flow chart of a method for turning off the video display of the electronic device shown in FIG. 6.

圖8為關閉圖6所示電子裝置視頻顯示之另一種方法流程圖。FIG. 8 is a flow chart showing another method of turning off the video display of the electronic device shown in FIG. 6.

步驟302~步驟314Step 302 to step 314

Claims (9)

一種電子裝置，包括顯示面板、電源單元及微處理器，該微處理器用於處理待播放之音視頻訊息，其改良在於：該電子裝置還包括開關單元，該開關單元連接於顯示面板和電源單元之間，該微處理器用於偵測到待播放之訊息為音頻訊息時斷開開關單元，以斷開顯示面板之電源供給。An electronic device includes a display panel, a power supply unit, and a microprocessor for processing an audio and video message to be played. The improvement is that the electronic device further includes a switch unit connected to the display panel and the power unit Between the microprocessor is used to detect that the message to be played is an audio message, the switch unit is turned off to disconnect the power supply of the display panel. 如申請專利範圍第1項所述之電子裝置，其中該電子裝置還包括用於讀取光碟上之訊息之光學讀寫頭，該微處理器用於偵測到光碟為音頻光碟時斷開開關單元。The electronic device of claim 1, wherein the electronic device further comprises an optical pickup for reading information on the optical disc, the microprocessor is configured to detect that the optical disc is disconnected from the switch unit when the optical disc is an audio disc . 如申請專利範圍第1項所述之電子裝置，其中該開關單元為三極體開關，該三極體開關包括基極、集極及射極，該基極與微處理器相連，該集極連接電源單元，該射極連接顯示面板，該微處理器用於偵測到待播放之訊息為音頻訊息時發出低電平訊號給三極體開關之基極，該三極體開關截止，該電源單元停止提供電源給顯示面板。The electronic device of claim 1, wherein the switch unit is a triode switch, the triode switch includes a base, a collector and an emitter, and the base is connected to the microprocessor, the collector Connecting the power unit, the emitter is connected to the display panel, and the microprocessor is configured to send a low level signal to the base of the triode switch when the message to be played is an audio message, and the triode switch is turned off, the power source is turned off. The unit stops supplying power to the display panel. 如申請專利範圍第1項所述之電子裝置，其特徵在於：該電子裝置還包括存儲器，該存儲器用於存儲待播放之音視頻文件，該微處理器用於偵測到待播放之文件為音頻格式文件時斷開開關單元。The electronic device of claim 1, wherein the electronic device further comprises a memory for storing audio and video files to be played, and the microprocessor is configured to detect that the file to be played is audio. Disconnect the switch unit when formatting the file. 一種電子裝置，包括顯示面板、電源單元及微處理器，該微處理器用於處理待播放之音視頻訊息，其改良在於：該電子裝置還包括開關單元與輸入單元，該輸入單元用於輸入是否顯示文本訊息之指令，該開關單元連接於顯示面板和電源單元之間，該電源單元連接微處理器，該微處理器用於偵測到待播放之訊息為音頻訊息時藉由顯示面板提示是否顯示文本訊息，該微處理器還用於接收到不顯示文本訊息之指令時斷開開關單元，以斷開顯示面板之電源供給。An electronic device includes a display panel, a power supply unit, and a microprocessor for processing an audio and video message to be played. The improvement is that the electronic device further includes a switch unit and an input unit, and the input unit is used for inputting whether An instruction to display a text message, the switch unit is connected between the display panel and the power unit, and the power unit is connected to the microprocessor, and the microprocessor is configured to detect whether the message to be played is displayed by the display panel when the message is an audio message. The text message is also used by the microprocessor to disconnect the switch unit when receiving an instruction to display the text message to disconnect the power supply of the display panel. 如申請專利範圍第5項所述之電子裝置，其中該微處理器接收到顯示文本訊息之指令時控制電源單元輸出較低之電壓給顯示面板。The electronic device of claim 5, wherein the microprocessor controls the power supply unit to output a lower voltage to the display panel when receiving the instruction to display the text message. 一種電子裝置之節能方法，包括如下步驟：偵測待播放訊息之類型；當偵測到待播放訊息為視頻和音頻訊息時，則顯示視頻訊息，播放音頻訊息；當偵測到待播放訊息為音頻訊息時，則關閉顯示功能，播放音頻訊息。An energy saving method for an electronic device includes the following steps: detecting a type of a message to be played; displaying a video message and playing an audio message when detecting that the message to be played is a video and an audio message; and detecting that the message to be played is In the case of an audio message, the display function is turned off and an audio message is played. 如申請專利範圍第7項所述電子裝置之節能方法，進一步包括如下步驟：當偵測到待播放訊息為音頻訊息時，提示用戶是否選擇顯示文本訊息；判斷用戶之選擇類型；若選擇類型為不顯示文本訊息，則關閉顯示功能。The method for saving energy of an electronic device according to claim 7 further includes the following steps: when detecting that the message to be played is an audio message, prompting the user to select whether to display the text message; determining the type of the user; if the selection type is If the text message is not displayed, the display function is turned off. 如申請專利範圍第8項所述電子裝置之節能方法，進一步包括如下步驟：若選擇類型為顯示文本訊息，則降低顯示面板之亮度到預先設定值以顯示文本訊息。The energy saving method of the electronic device according to Item 8 of the patent application further includes the following steps: if the selection type is a display text message, the brightness of the display panel is lowered to a preset value to display the text message.
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