200941429 九、發明說明： 【發明所屬之技術領域】 本發明是關於-種顯示器，特別是指一種可以自動啟 閉的顯示器。 【先前技術】 Ο 鲁 顯示器是人機交流的介面，在其正常工作過程中，顯 示器接收主機傳來的信號，顯示給操作者，操作者藉由顯 示器顯示的資訊對主機進行操作。當主機不再有信號輸出 時，為了節約能源，需使顯示器進入休眠模式或者關機； 當操作者有事暫時離開或者當主機有任務需要較長時間執 行’而不需要操作者介入時，為銪 町马卽約能源，顯示器也應該 進入休眠模式或關機。 _在習知技術中，如圖1所示，顯示器刚通常包括顯 不面板1、功能表触2、錢表選項選擇餘3以及電源 開關按鈕4。當沒有信號輸入時， 、 顯不器100通常數秒後舍 給操作者“進入休眠狀態，，之提示， …、後自動進入休眠狀態， 但疋在休眠狀態下，除了顯示面 哭1ΛΛ丄“ L 板1被停止供電外，顯示 器100中其它元件仍處於通雷壯 鉍A 態中，還是會產生一定能 耗’而且對顯示器100之保養 ιππ«± 不利。故，若確定長時間 +需要使用顯不器100時，操作者 ,_ 考應當按下電源開關按鈕4 ，將顯示器100完全關機。 』_牧姑外 惟’現實生活中通常遇到下 後，操作者忘記關閉顯示器，此月;兄例如’主機關閉 態而不能關機；或者操作者離開^示器—直處於休眠狀 開顯不器的時間較久時，顯 200941429 不器也—直處於待機狀態中。纟於顯示器即使處於休眠狀 態丄也還是持續被供電中，容易引起顯示器發熱，不但浪 費月匕源而且對顯示器的使用壽命延長不利，ϋ，長時間 =需要使用顯示器時，應該將顯示器完全關機。但目前市 場並沒有種無需人為再去碰觸電源開關按钮即可以自 動開啟或關閉的顯示器。 【發明内容】 Ο 因此’本發明之目的，係在提供一種不需使用者操作 即可以自動啟閉以適時節省電力的顯示器。 =，本發明顯示器自動啟閉方法，該顯示器可在輸 畫面的—開機模式和停止輸出影像畫面的-關機模 j切換該方法包括⑷令該顯示器在該開機模式下 號Γί否有—影像訊號輸人；及（b)當偵測不到該影像訊 號時，7該顯示器切換至該關機模式。 模义 財法更包括步驟（c):令該顯示器在該關機 模式:/貞測龍影像訊號輸人時，切換至該開機模式。 爽時合t在步驟(B)巾，當該顯示^制不到該影像訊 唬時，會先進入一休眠模式# 待時門^等待—段時間，並㈣在該等 、時間中是否有該影像訊號輸 模式。 】 右無，再切換至該關機 較佳地’在步驟（B)中，告 號時，舍田。亥顯不器偵測不到該影像訊 琥時，會先進入一休眠模式 到一鎚旅％站 # > 仅碍間，並判斷疋否收 觸發《’若無，再切換至該關機模式。 較佳地，該顯示器連接一 外。卩裝置，且該影像訊號及 200941429 該觸發訊號來自該外部裝置。 較佳地，該方法更在該顯示器之一在螢幕顯示（On Screen Display，以下簡稱〇SD)功能表預設一關機選項，且 该方法更包括步驟（D):令該顯示器在該開機模式下，判斷 疋否收到遠關機選項被選取時所i生的一關機指令，若是 則切換至該關機模式。 較佳地，該方法在步驟（D)之後，更包括步驟（E):令該 顯示器在該關機模式下，判較否收到—觸發訊號，若是 ，則切換至該開機模式。 較佳地’該顯示器包括複數操作該OSD功能表的按叙 ’且上述步_)中的糊發訊號是來自該等独其中之一 較佳地’該顯示器連接-外部裝置，且上述步驟(E)中 的該影像訊號及該觸發訊號來自該外部裝置。 再者’本發明實現上述方法的可自動啟閉之顯示器， 該顯示器可在輸㈣像畫面之1機模式和停止輸出影像 畫面之-關機模式之間切換，該顯示器包括—顯示單元' 一電源供應單元及一處理單元。 該顯示單元用以顯示該影像晝面。 該電源供應單元電連接該顯示單元，以在該開 給該顯示單元，並在該關機模式下停止供電給該顯 該處理單元電連接該顯示單元及該電源供應單元 以將由外部m影像訊號轉換成該影像晝面後輪出至 200941429 該顯不單兀*，並在該開機模式下偵測不到該影像訊號時， 由該開機模式切換至該關機模式。 較佳地，當該處理單元在該關機模式下偵測到該影像 訊號時，則由該關機模式切換至該開機模式。 較佳地，該處理單元在偵測不到該影像訊號時，會先 進入一休眠模式等待一段時間，並在該等待時間中偵測是 否有該影像訊號或-觸發訊號輸人，若是，則回到該開機 模式，若無，則切換至該關機模式。 上述該處理單元係與一外部裝置電連接，且該影像訊 號及該觸發訊號來自該外部裝置。 較佳地’該顯示器的一 0SD工力能表中更預設有一關機 選項，且該處理單元在該開機模式下，判斷是否收到該關 機選項被選取時所I生的-關機指+，若是則切換至該關 機模式。 較佳地，S玄處理單元在該關機模式下，判斷是否收到 一觸發訊號’若是’則切換至該開機模式。 較佳地，本發明的顯示器包括複數操作該〇SD功能表 的按鈕，且該觸發訊號是來自該等按鈕其中之一。 較佳地，該處理單元與一外部裝置電連接，且該觸發 訊號來自該外部裝置。 藉此，顯示器不再需要設置電源開關按鈕，並可進一 步降低顯示器在休眠等省電模式下的能耗，減少顯示器的 通電時間。 【實施方式】 200941429 - 有關本發明之前述及其他技術内容、特點與功效，在 以下配合參考圖式之多個較佳實施例的詳細說明中，將可 清楚的呈現。 請參見圖2及圖3,是本發明第—較佳實施例自動啟閉 之顯示器200的外觀及電路方塊示意圖。顯示器2〇〇在本 實施例中是以-平面顯不器（例如液晶或電漿顯示器）為例， 且如同習知的液晶顯示器或其它顯示器，顯示器2〇〇可以 ❹ 在一開機模式和一關機模式之間切換。也就是說，當顯示 器200處於供電的開機模式時，可以輸出一影像畫面當 顯示器200處於不供電的關機模式時，即停止輸出影像畫 面。 但習知顯不器需要使用者透過按壓顯示器上的電源開 關按紐來切換開機模式或關機模式，而本實施例之顯示器 200與習知顯不器不同的是，不需要電源開關按鈕，而是可 以藉由偵測輸入信號的有無，自動切換至開機模式或關機 Φ 模式，以下會進一步詳細說明顯示器200自動啟閉的方法 〇 如圖2所不，顯不器200包括—顯示單元〗〇、—電源 供應單元20及一處理單元30。 顯示單元10包含一用以顯示—影像晝面的液晶顯示面 板u，以及設置於液晶顯示面板丨丨下緣的複數〇SD操作 按鈕（包括一 OSD功能表按鈕12及—〇SD功能表選項選擇 按鈕13)及一電源指示燈（LED)14，其中，電源指示燈14為 可選用而非必要。 200941429 電源供應單元20電連接顯示單元ι〇之液晶顯示面板 11、電源指示燈14及處理單元30。電源供應單元20用以 將輸入的一交流電源轉換成不同的電力以各別供給液晶顯 示面板11及處理單元30。在開機模式下，電源供應單元2〇 會供電給液晶顯示面板11及電源指示燈14，在關機模式下 電源供應單元20則停止供電給液晶顯示面板丨丨及電源指示 燈14 ’且除非交流電源未輸入電源供應單元2〇，否則在任 ❹ 何模式下’電源供應單元20皆持續供電給處理單元30。 處理單元30是一數位訊號處理器（scaler)，其電連接顯 不單元10及驅動單元20,用以將由—外部裝置3〇〇(指任何 可以提供影像訊號的主機，例如電腦或電視訊號接收器等） 輸入的一影像訊號轉換成一影像畫面後，輸出至顯示單元 10的液晶顯示面板11。 特別的是，本實施例的處理單元3〇中更可由其周邊記 憶體，例如快閃記憶體（Flash R〇M)4〇載入一程式（韌體）以 e 執行自動啟閉顯示器2〇〇的功能，其流程步驟參見圖4所 示： 在顯示器200處於開機模式下，如步驟S1，處理單元 3CM貞測外部裝置300是否輸入影像訊號，若傾測不到影像 訊號，例如外部裝置關機或進入休眠狀態而沒有信號輸出 時，則進行步驟S2,先進入一休眠模式，並發出一休眠控 制訊號給驅動單元20’使停止供電給液晶顯示面板Η，且 進行步驟S3及S4，處理單元3〇會持續债測外部裝置· 是否輪入影像訊號，或者判斷是否收到來自外部裝置綱 10 200941429 ， 觸發訊號⑽如使用者操作電腦之鍵盤所發出的任—按 . 鍵^或滑鼠訊號等），並等待-段職的時間（例如3分鐘 ，當在等待時間内亦偵測不到影像訊號或觸發訊號時，處 ^元30則於等待時間結束後，進行步驟s5，切換至關機 模式，亦即處理單元30會發出―關機控制指令給驅動單元 =使停止供電給液晶顯示面板n，並同時停止供電給電 、'、燈14 ’以及其匕在關機模式下不會被使用到的元件 ❿ ，例如儲存螢幕設定資料的EEPROM 50。 而在關機模式下，由於處理單元3〇仍然被驅動單元2〇 供電，因此，如步驟S6,處理單元3〇仍會持續偵測外部裝 置綱是否有輸入影像訊號，當债測到影像訊號時則由 關機模式切換至開機模式，亦即處理單元30會發出-開機 控制指令控制驅動單元20供電給液晶顯示面板u，讓液曰 顯示面板U可以顯示由處理單元3〇輸出的影像畫面，並： 復供電給電源指示燈14以及其它的元件。 參 ’本實施例亦可省略上述進人休眠模式的相關步 驟S2〜S4’亦即在處理單元3〇<貞測不到影像訊號時，即直 接由開機模式切換到關機模式。 此外，為方便使用者需要，讓使用者在外部裝置有輸 入影像訊號時’也可以將顯示器細關機，因此如圖5所 示，而且本實施例更在顯示器200㈣SD功能表51中⑽ 一關機（P°Wer°ff)選項52,，t影像訊號持續輸入 處理單元30會進行步驟S7，判斷是否收到一關機指令，所 以’使用者只須如習知操作方式按下功能表独2，令咖 11 200941429 功能表51顯示在液晶顯示面板10上，再按功能表選項選 擇按鈕3選擇0SD功能表51中的關機（p〇wer 〇ff)選項 52,處理單元30即會收到該關機選項產生之關機指令，而 進行步驟S8，令顯示器200進入關機模式。 當使用者需要重新開啟顯示器200時，如步驟S9，使 用者只需按下任何一顆按鈕（例如功能表按鈕2或者功能表 選項選擇按鈕3)，或者操作電腦鍵盤的任一按鍵或滑鼠產 生一觸發訊號給處理單元30，處理單元3〇在收到觸發訊號 後，即會將顯示器200切換至開機模式，使顯示器2〇〇重 新啟動。 综上所述，上述實施例提供了一種根據輸入信號的有 無而自動開啟或關閉的顯示g 及其自動啟閉的方法， 除了可進-步降低顯示器在休眠等省電模式下的能耗，減 少顯示器的通電時間外’更有利於顯示器的保養。另外， 從硬體上來看，由於顯示器不再需要設置電源開關按钮， 因此對顯示H的整體外觀、美觀設計都有很大的幫助。 惟以上所述者，僅為本發明之較佳實施例而已，當不 能以此限定本發明實施之範圍，即大凡依本發明申請專利 範圍及發明㈣内容所作之簡單料效變化與修飾，皆仍 屬本發明專利涵蓋之範圍内。 【圖式簡單說明】 圖1是習知-種平面顯示器的外觀示意圖； 圖2是本發明可自動啟閉之顯示器的一較佳實施例之 外觀示意圖； 12 200941429 圖3是本實施例的電路方塊圖； 圖4是本實施例顯示器自動啟閉的流程圖；及 圖5是本實施例之OSD功能表内容示意圖。200941429 IX. Description of the Invention: [Technical Field] The present invention relates to a display, and more particularly to a display that can be automatically turned on and off. [Prior Art] The monitor is a human-machine interface. During its normal operation, the monitor receives the signal from the host and displays it to the operator. The operator operates the host by the information displayed on the monitor. When the host no longer has a signal output, in order to save energy, the display needs to be put into sleep mode or shut down; when the operator has something to leave temporarily or when the host has a task that takes a long time to execute 'without operator intervention, The horse should be in a sleep mode or shut down. _ In the prior art, as shown in Fig. 1, the display just immediately includes a display panel 1, a function watch 2, a money table option selection 3, and a power switch button 4. When there is no signal input, the display device 100 usually gives the operator "go to sleep state after a few seconds, and prompts, ..., then automatically enters the sleep state, but in the sleep state, in addition to the display surface crying 1" "L In addition to the fact that the board 1 is powered off, the other components in the display 100 are still in the state of the thunderbolt, and still generate a certain amount of power consumption, and it is disadvantageous to the maintenance of the display 100. Therefore, if it is determined that the display device 100 is required for a long time, the operator, _ test should press the power switch button 4 to completely turn off the display 100. 』_牧姑外唯' is usually encountered in real life, the operator forgets to turn off the display, this month; brother, for example, 'the host is off and cannot be turned off; or the operator leaves the display--is in a dormant state When the time of the device is longer, the 200941429 is not in use - it is in the standby state.显示器 Even if the monitor is still in the sleep state, it will continue to be powered, which will cause the display to heat up, which will not only cost the moon and cause the display to be prolonged. ϋ Long time = When the monitor is needed, the monitor should be completely shut down. However, the current market does not have a display that can be automatically turned on or off without having to manually touch the power button. SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a display that can be automatically turned on and off to save power in a timely manner without user intervention. The automatic opening and closing method of the display of the present invention can be switched between the power-on mode of the input screen and the shutdown mode of the output image screen. The method includes: (4) causing the display to be in the power-on mode. And (b) when the image signal is not detected, 7 the display switches to the shutdown mode. The model finance method further includes the step (c): causing the display to switch to the power-on mode when the power-off mode is selected in the power-off mode: Shuangshihe t in step (B) towel, when the display does not make the image signal, it will first enter a sleep mode #待时门^waiting-segment time, and (4) whether there is any such time The image signal transmission mode. 】 Right no, then switch to the shutdown. Preferably, in step (B), when the signal is announced, Shetian. If the display does not detect the image, it will first enter a sleep mode to a hammer trip % station # > only hinder, and judge whether the trigger is triggered, 'If there is no, then switch to the shutdown mode . Preferably, the display is connected to the outside.卩 device, and the image signal and 200941429 the trigger signal comes from the external device. Preferably, the method further presets a shutdown option on one of the display screens of the On Screen Display (hereinafter referred to as "SD"), and the method further comprises the step (D): causing the display to be in the boot mode Next, it is judged whether a shutdown command generated when the remote shutdown option is selected is received, and if so, the mode is switched to the shutdown mode. Preferably, after the step (D), the method further comprises the step (E): causing the display to determine whether the trigger signal is received in the shutdown mode, and if so, to switch to the power-on mode. Preferably, the display includes a plurality of operations for operating the OSD function table and the paste signal in the step _ is from one of the plurality of displays, preferably the display connection-external device, and the above steps ( The image signal and the trigger signal in E) are from the external device. Furthermore, the present invention realizes an automatically openable and closable display of the above method, and the display can be switched between a mode of inputting (four) image mode and a mode of stopping outputting image images, the display device includes a display unit Supply unit and a processing unit. The display unit is configured to display the image plane. The power supply unit is electrically connected to the display unit to turn on the display unit, and stops power supply in the shutdown mode, and the processing unit is electrically connected to the display unit and the power supply unit to convert the external m image signal. After the image is turned to the rear of 200941429, the display is not only 兀*, and when the image signal is not detected in the power-on mode, the power-on mode is switched to the power-off mode. Preferably, when the processing unit detects the image signal in the shutdown mode, the shutdown mode is switched to the startup mode. Preferably, when the processing unit does not detect the image signal, the processing unit first enters a sleep mode and waits for a period of time, and detects whether the image signal or the trigger signal is input during the waiting time, and if so, Go back to the power-on mode, if not, switch to the power-off mode. The processing unit is electrically connected to an external device, and the image signal and the trigger signal are from the external device. Preferably, the '0SD power capability table of the display further has a shutdown option, and the processing unit determines whether the shutdown command is generated when the shutdown option is selected in the startup mode. If yes, switch to the shutdown mode. Preferably, in the shutdown mode, the S-station processing unit determines whether a trigger signal 'if yes' is received to switch to the power-on mode. Preferably, the display of the present invention includes a plurality of buttons for operating the 〇SD function table, and the trigger signal is from one of the buttons. Preferably, the processing unit is electrically coupled to an external device and the trigger signal is from the external device. In this way, the display no longer needs to set the power switch button, and can further reduce the power consumption of the display in the power-saving mode such as sleep, and reduce the power-on time of the display. The above and other technical contents, features, and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments. 2 and FIG. 3 are schematic diagrams showing the appearance and circuit block of the display 200 for automatically opening and closing according to the first preferred embodiment of the present invention. The display 2 is exemplified by a flat panel display (such as a liquid crystal or a plasma display) in this embodiment, and like a conventional liquid crystal display or other display, the display 2 can be in a boot mode and a Switch between shutdown modes. That is to say, when the display device 200 is in the power-on mode, an image screen can be outputted, and when the display 200 is in the power-off mode, the output of the image screen is stopped. However, the conventional display device requires the user to switch between the power-on mode and the power-off mode by pressing the power switch button on the display, and the display 200 of the embodiment is different from the conventional display device in that the power switch button is not required, but Detecting the presence or absence of the input signal, automatically switching to the power-on mode or the shutdown Φ mode, the following will further explain the method of automatically opening and closing the display 200, as shown in Figure 2, the display 200 includes - display unit 〗 〖, - power supply Unit 20 and a processing unit 30. The display unit 10 includes a liquid crystal display panel u for displaying an image surface, and a plurality of SD operation buttons (including an OSD function table button 12 and an 〇SD function table option) disposed on the lower edge of the liquid crystal display panel. A button 13) and a power indicator (LED) 14 are selected, wherein the power indicator 14 is optional and not necessary. 200941429 The power supply unit 20 is electrically connected to the liquid crystal display panel 11 of the display unit ι, the power indicator light 14 and the processing unit 30. The power supply unit 20 is configured to convert the input AC power into different powers to be supplied to the liquid crystal display panel 11 and the processing unit 30, respectively. In the power-on mode, the power supply unit 2 供电 supplies power to the liquid crystal display panel 11 and the power indicator light 14 , and in the power-off mode, the power supply unit 20 stops supplying power to the liquid crystal display panel 电源 and the power indicator light 14 ′ and unless the AC power source The power supply unit 2 is not input, otherwise the power supply unit 20 continues to supply power to the processing unit 30 in any mode. The processing unit 30 is a digital signal processor electrically connected to the display unit 10 and the driving unit 20 for receiving by the external device 3 (refer to any host that can provide image signals, such as a computer or television signal) The input image signal is converted into an image frame and output to the liquid crystal display panel 11 of the display unit 10. In particular, in the processing unit 3 of the embodiment, a program (firmware) can be loaded by its peripheral memory, such as a flash memory (Flash R〇M), to perform an automatic opening and closing display. The function of the , is shown in FIG. 4: When the display 200 is in the power-on mode, in step S1, the processing unit 3CM detects whether the external device 300 inputs an image signal, and if the image signal is not detected, for example, the external device is turned off. Or enter the sleep state without signal output, proceed to step S2, first enter a sleep mode, and send a sleep control signal to the driving unit 20' to stop power supply to the liquid crystal display panel, and proceed to steps S3 and S4, the processing unit 3〇Continuous debt testing external device · Whether to turn in the video signal, or to determine whether it received from the external device 10 200941429, the trigger signal (10) if the user operates the keyboard of the computer, press the button ^ or mouse signal Wait), and wait for the time of the post (for example, 3 minutes, when the video signal or the trigger signal is not detected within the waiting time, the unit 30 is waiting for the time to end. After the beam, step s5 is performed to switch to the shutdown mode, that is, the processing unit 30 issues a "shutdown control command" to the drive unit = stops power supply to the liquid crystal display panel n, and simultaneously stops the power supply, ', the lamp 14' and the other The component ❿ that is not used in the shutdown mode, such as the EEPROM 50 storing the screen setting data. In the shutdown mode, since the processing unit 3 is still powered by the driving unit 2, the processing unit 3 is as in step S6. 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 外部 外部 外部 外部 外部 外部 外部 外部 外部 外部 外部 外部 外部 外部 外部 外部 外部 外部 外部 外部 外部 外部 外部 外部 外部 外部 外部 外部 外部 外部 外部 外部 外部 外部 外部 外部 外部 外部 外部 外部The panel u allows the liquid helium display panel U to display the image screen output by the processing unit 3〇, and: re-powers the power indicator light 14 and other components. The present embodiment can also omit the above-mentioned related sleep mode. Steps S2 to S4', that is, when the processing unit 3 detects that the video signal is not detected, it is directly switched from the power-on mode to the power-off mode. For the convenience of the user, the user can also turn off the display when the external device has an input image signal, so as shown in FIG. 5, and this embodiment is further turned off in the display 200 (4) SD function table 51 (10) (P) °Wer° ff) Option 52, t image signal continuous input processing unit 30 will proceed to step S7 to determine whether a shutdown command is received, so that the user only has to press the function list as in the conventional operation mode. 11 200941429 The function table 51 is displayed on the liquid crystal display panel 10, and then press the menu option selection button 3 to select the shutdown (p〇wer 〇 ff) option 52 in the 0SD function table 51, and the processing unit 30 will receive the shutdown option. The shutdown command is performed, and step S8 is performed to cause the display 200 to enter the shutdown mode. When the user needs to re-open the display 200, in step S9, the user only needs to press any button (such as menu button 2 or menu option selection button 3), or operate any button or mouse of the computer keyboard. A trigger signal is generated to the processing unit 30. After receiving the trigger signal, the processing unit 3 switches the display 200 to the power-on mode to cause the display 2 to restart. In summary, the above embodiment provides a display g and an automatic opening and closing method thereof that are automatically turned on or off according to the presence or absence of an input signal, in addition to further reducing the power consumption of the display in a power saving mode such as sleep. Reducing the power-on time of the display is more conducive to the maintenance of the display. In addition, from the hardware point of view, since the display no longer needs to set the power switch button, it is very helpful for the overall appearance and aesthetic design of the display H. However, the above is only the preferred embodiment of the present invention, and the scope of the present invention cannot be limited thereto, that is, the simple changes and modifications made by the content of the invention and the contents of the invention (4) are all It is still within the scope of the invention patent. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic view showing the appearance of a conventional flat display; FIG. 2 is a schematic view showing a preferred embodiment of the display capable of automatically opening and closing according to the present invention; 12 200941429 FIG. 3 is a circuit of the present embodiment. FIG. 4 is a flow chart of the automatic opening and closing of the display of the embodiment; and FIG. 5 is a schematic diagram of the contents of the OSD function table of the embodiment.
13 200941429 【主要元件符號說明】 200顯示器 10 顯示單元 11 液晶顯示面板 12 OSD功能表按鈕 13 OSD功能表選項選擇按鈕 14 電源指示燈（LED) 20 電源供應單元 30 處理單元 40 快閃記憶體 50 EEPROM 300外接裝置 51 OSD功能表 52 關機選項 S1-S9流程步驟 1413 200941429 [Main component symbol description] 200 display 10 Display unit 11 LCD panel 12 OSD menu button 13 OSD menu option button 14 Power indicator (LED) 20 Power supply unit 30 Processing unit 40 Flash memory 50 EEPROM 300 External Device 51 OSD Function Table 52 Shutdown Options S1-S9 Process Step 14