1356296 六、發明說明： 【發明所屬之技術領域】 [〇〇〇1] 本發明係關於一種顯示裝置，尤指一種具有至少一USB連 接埠之顯示裝置’其可透過該USB連接埠對與其相連之 USB設備提供電力。 【先前技術】 [0002] 電腦系統包括一個輸出視頻信號之主機，和一個連接到 主機並根據來自主機之視頻信號顯示圖像之顯示裝置。 通常，個人電腦、膝上型、筆記型或類似之電腦等大多 數電腦系統都配有USB連接缚（通用串列匯流排）用於連 接其他裝置。USB連接埠包相有$條線:，j〔、條資料線， 一條電源線及一條地線。通常:，DM奉接碎^作爲標準化 埠實現的’即使用了其中乞資—科線電癌^系統中進行 資料和/或信號之傳輸。作爲標準化之USB連接埠之其令 一個用途就是，透過USB連接埠赞主機與顯示裝置相連接 ’並由其中之資料線來傳置之間的資料 和/或視頻信號，從而使主麩嚷差之間進行通信。 [0003] 另一方面，通常顯示裝置係直接通過外接式電源供電的 ’無論與其連接之主機是否處於工作狀態，該外接電源 器都可將電力提供封顯示裝置。鑒於此，中國專利第 02148006. 0號揭示了 一種顯示裝置及對其USB設備提供 電力之方法，該顯示裝置具有一USB連接璋，其無論是否 在省電模式下都將電力從主機提供到與該USB連接埠相連 的USB設備，從而有效地進行整個電腦統之電源管理。然 ，如此之設置在主機已關機但顯示裝置處於省電狀態時 093124332 表單編號A0101 第3頁/共17頁 0993202870-0. 1356296 [0004]1356296 VI. Description of the Invention: [Technical Field of the Invention] [1] The present invention relates to a display device, and more particularly to a display device having at least one USB port connected to the USB device via the USB port The USB device provides power. [Prior Art] [0002] A computer system includes a host for outputting a video signal, and a display device connected to the host and displaying an image based on a video signal from the host. Typically, most computer systems, such as personal computers, laptops, notebooks, or the like, are equipped with a USB connection (universal serial bus) for connecting to other devices. The USB connection package has $ lines: j, a data line, a power line and a ground line. Usually: DM is implemented as a standardization ’, that is, the transmission of data and/or signals in the system of the sputum-technical line cancer system is used. As a standardized USB port, one of the uses is to connect the main unit to the display device via a USB connection and to transmit data and/or video signals between the data lines, thereby making the main bran poor. Communicate between. [0003] On the other hand, in general, the display device is directly powered by an external power source. The external power supply can supply power to the display device regardless of whether or not the host connected thereto is in an active state. In view of this, Chinese Patent No. 02148006. 0 discloses a display device and a method of supplying power to a USB device thereof, the display device having a USB port, which supplies power from the host to and regardless of whether in the power saving mode. The USB port is connected to the connected USB device, thereby effectively performing power management of the entire computer system. However, this setting is when the host is turned off but the display device is in a power saving state. 093124332 Form No. A0101 Page 3 of 17 0993202870-0. 1356296 [0004]
[0005] [0006] 093124332 099年06¾ 09日·修正替读頁 ’右使用者需對其USB設備提供電力或充電時，需重新開 啓電腦主機才能給與顯示裝置之USB連接埠相連的USB設 備提供電力或充電，即必須由主機來提供電力，如此給 使用者帶來了諸多不便。 此外’在中國專利第01141193.7號中另揭示了一種通過 電腦之USB連接槔對移動终端進行充電之充電電路，該 USB連接崞係作爲標準化埠使用，即使用其中之資料線在 電腦及移動終端之間進行資料上之通信，如此達到對移 動終端進行充電（或提供電力）的目的。假使上述之充 電電路可以延伸應用到作爲電腦之顯示裝置上，則若使 用者有時希望在主機處於省電模式-下，可由巔示裝置之 電源提供電力至與該USB連接埠相、連之DSB設備，而在主 機處於i常工作模式下’希望顯示裝置之USB連接埠恢復 爲標準化USB連接埠用。然，上述方案未考慮到使用之實 際狀況’換言之，上述充電電路本適應性地根據實際狀 1 卜Ύ.νΆ! ， 況來設計該充電電路。 \ 【發明内容】 ν 爲克服上述之缺點，本發明之主要目之在於提供一種具 USB連接埠之顯示裝置，其中，無論電腦主機係否處於正 常模式、省電模式或斷電模式下，都可透過該USB連接埠 從設置在該顯示裝置上之電源提供電力至該USB設備。 本發明之目的係由以下之技術方案實現：該顯示裝置具 有至少一USB連接埠，該USB連接埠與一USB設備相連接 ，從而透過該顯示裝置之USB連接埠提供電力至該USB設 備。該顯示裝置可包括一電源、一開關電路、一顯示控 表單編號A0101 第4頁/共17頁 0993202870-0 1356296 I 099年·〇6月 09 日 制早70 ' 一適配裝置' '或門電路、-USB連接埠。該電 源、開關電路及適g&裝置相互串接，且關關電路可接 收該顯示控制單摘傳送來之控制信號， 以選擇性導通 該顯不裝置之《所在之線路。該或門電路係連接在該 顯不裝置之電源及-電腦主機之間，以選擇是否由該顯 示裝置之電源提供電力至該USB設備。 [0007] 當該電腦主機處於省電模式或斷電模式時，該 顯示控制 單π可偵測到該電腦主機之省電或斷電狀態，並發送一 控制信號至該開關電路，使得此時之或門電路僅導通該 顯示裝置之電源所在之線路，如此可自動切換至由該顯 不裝置之電源提供電力至爯其us故致備V當‘電腦主機處 ；! ( I ' 於正常模式時，該顯示控制1單:元竒發雙彡二控制信號至開 關電路，使得該或門電路僅導通主機至該連接埠所在 之線路，從而可自動地將該顯示裝置之USB連接埠恢復爲 —標準USB連接埠。此外，『本梦明之開關電路亦可由手動 進行控制，從而以手動切辦:尤莕」#會故家燊置之電源提 !pS·、/乂、V。 供電力至該USB設備。 〜/ '‘ ,G；n： ices [0008][0006] [0006] [0006] 093124332 099 063⁄4 09 · Correction of the reading page 'When the right user needs to provide power or charge to their USB device, you need to re-open the computer to give the USB device connected to the USB device of the display device Providing power or charging, that is, power must be provided by the host, which brings a lot of inconvenience to the user. In addition, in the Chinese Patent No. 01141193.7, a charging circuit for charging a mobile terminal through a USB port of a computer is disclosed, and the USB port is used as a standardization, that is, a data line thereof is used in a computer and a mobile terminal. Data communication is carried out to achieve the purpose of charging (or providing power) to the mobile terminal. If the above charging circuit can be extended to be applied to a display device as a computer, if the user sometimes wants to be in the power saving mode, the power supply of the display device can be powered to connect to the USB port. The DSB device, while the host is in the i-working mode, wants to restore the USB port of the display device to a standardized USB port. However, the above scheme does not take into consideration the actual situation of use. In other words, the above charging circuit is adaptively designed according to the actual situation. In order to overcome the above disadvantages, the main object of the present invention is to provide a display device with a USB port, in which the computer main system is in the normal mode, the power saving mode or the power-off mode, Power can be supplied to the USB device from the power source provided on the display device through the USB port. The object of the present invention is achieved by the following technical solution: the display device has at least one USB port connected to a USB device to provide power to the USB device through the USB port of the display device. The display device can include a power source, a switch circuit, a display control form number A0101, page 4 / a total of 17 pages 0993202870-0 1356296 I 099 years, 〇 June 09, early 70 'one adapter device' or door Circuit, -USB port. The power source, the switch circuit and the suitable g& device are connected in series, and the switch circuit can receive the control signal sent by the display control to selectively turn on the line of the display device. The OR circuit is coupled between the power supply of the display device and the computer host to select whether power is supplied to the USB device by the power of the display device. [0007] When the computer host is in the power saving mode or the power-off mode, the display control unit π can detect the power-saving or power-off state of the computer host, and send a control signal to the switch circuit, so that The OR gate circuit only turns on the line where the power of the display device is located, so that it can automatically switch to the power supply provided by the power supply of the display device to the USB device; when the computer host; (I' is in the normal mode) At the same time, the display control 1 single: the binary signal is sent to the switch circuit, so that the OR circuit only turns on the host to the line where the connection port is located, thereby automatically restoring the USB connection port of the display device to —Standard USB port. In addition, “This Mengming switch circuit can also be controlled manually, so that it can be manually cut: You 荇”# will be the power supply of the home! pS·, /乂, V. Power supply to The USB device. ~/ '' ,G;n: ices [0008]
本發明之優點在於：可由該顯示裝置之USB連接埠對與其 相連之USB設備提供電力，從而使用者也可在電腦主機處 於省電或斷電模式時透過該USB連接埠從設置在該顯示裝 置上之電源提供電力至該USB設備。 【實施方式】 [0009] 第一圖係本發明具uSb連接槔之顯示裝置及可與其相連之 USB設備之示意圖。該顯示裝置20可包括CRT (陰極射線 管）顯示裝置，LCD (液晶）顯示裝置或其他類型之顯示 093124332 表單編號A0101 第5頁/共17頁 0993202870-0 1356296 09会年06> 09日接正替餐頁 裝置》該顯示裝置20可設置一USB集線器，該USB集線器 可爲内置式或爲外置式，且可根據使用需要而設定有複 數USB連接埠207，其中一些USB連接埠207可設定在該顯 示裝置之背面，而另一些USB連接埠207，如第一圖所示 ，可設定在該顯示裝置20之正面，也可根據需要將USB連 接埠207設置在顯示裝置20之其他合適之位置，以方便使 用者連接一個或多個USB設備30 »這些USB連接埠207可 作爲標準接口用，即同時使用了資料線及電源線，或依 據需要部分USB連接埠207僅使用其電源線或資料線之功 能’在此不限。且’標準化之USB連接埠207可爲USB設 備30供電並提供通常爲5±5%伏之電壓和500/1〇〇毫安培 之電流，從而可滿足大多數充電設備之充電指標。 ·. .〆. t _、 / [0010] 本發明之USB設備30可指具有至少一USB連接痒301並與 該顯示裳置20上之USB連接埠207相匹配之任何合適之設 備（圖中僅以“手機”示意）’「如帶；^USB連接槔之手機 丨卜 win _ '手提電腦、MP3、臺燈或其^窗乏查芋裝置。且，該 USB設備30亦可指具有其他輪λ：备&槔之電子裝置，其可 . η, 、The invention has the advantages that the USB device connected to the display device can be powered by the USB device connected to the display device, so that the user can also set the display device through the USB port when the computer host is in the power-saving or power-off mode. The power supply on the power supply to the USB device. [Embodiment] [0009] The first figure is a schematic diagram of a display device with an uSb port and a USB device connectable thereto. The display device 20 may include a CRT (Cathode Ray Tube) display device, an LCD (Liquid Crystal) display device or other type of display 093124332 Form No. A0101 Page 5 / Total 17 Page 0993202870-0 1356296 09 Year 06 > 09 The display device 20 can be provided with a USB hub, which can be built-in or external, and can be configured with a plurality of USB ports 207 according to the needs of use, and some of the USB ports 207 can be set in The back side of the display device, and other USB ports 207, as shown in the first figure, can be set on the front side of the display device 20, and the USB port 207 can be disposed at other suitable positions of the display device 20 as needed. To facilitate the user to connect one or more USB devices 30 » These USB ports 207 can be used as a standard interface, that is, the data cable and power cable are used at the same time, or the USB cable 207 is only used according to the need, only the power cable or data is used. The function of the line 'is not limited here. And the 'standardized USB port 207' powers the USB device 30 and provides a typical 5 ± 5% volt and 500/1 mA current to meet the charging specifications of most charging devices. .. t _, / [0010] The USB device 30 of the present invention may refer to any suitable device having at least one USB connection itch 301 and matching the USB port 207 on the display skirt 20 (in the figure) Only use "mobile phone" to indicate "" such as with; ^USB connection 槔 丨 win win _ 'laptop, MP3, desk lamp or its window finder device. And, the USB device 30 can also refer to other wheels λ: an electronic device for preparation & 可, which can be η, ,
經由適當之轉搂裝置連接到該顯示贏置之USB連接琿207 ，如此本發明可適用於具有不同類型輸入輸出埠之USB設 備30。當然，該顯示裝置之USB連接槔也可替換成其他之 輸入輸出埠，再經由額外之轉接裝置連接到具有USB連接 皡301之USB設備30 ’在此並非有所限制。此外，若這些 USB設備30需要的是除5V以外之供應電壓，由於usb連接 埠207僅能提供5V電壓’則可在該USB設備30内部或外部 提供一適配裝置’使所收到之來自上述顯示裝置2〇之USB 093124332 表單編號A0101 第6頁/共17頁 0993202870-0 1356296 r__ • 099年06月09日修正替_頁 連接埠207之電源適配於所要提供電力或充電之USB設備 30之電源要求。以下在具體描述本發明顯示裝置透過其 USB連接淳207對該USB設備30提供電力之前，需說明的 是，本發明可在USB設備30、顯示裝置2〇或接入電腦之其 他外部裝置中内置電池或蓄電池（未圖示），從而可對 該USB設備30進行充電，該電池可以為集成式電池或裝卸 式電池/蓄電池。.但若未提供如電池之類之充電設備， 則本發明僅提供電力至該USB設備30，而不具備有充電之 功能，以下將上述兩類情況通稱爲“提供電力”，合先 敘明。 # [001.1 ] 第二圖係本發明包含有顯示裝丨i 腦系緣\對該u s B設 備提供電力之電路方框圖。丨該丨電螭系可/包一主機i 0 、一顯示裝置20及一USB設備30。該顯ir裝置20至少包 括—電源201、一開關電路203、一顯示控制單元202、 一適配裝置204、一或門電路$〇%、_pUSB連接埠207。其 中’電源201可内置於該顯可為專門供電 ^ ^ropsriryConnected to the display-winning USB port 207 via a suitable switch device, the present invention is applicable to USB devices 30 having different types of input and output ports. Of course, the USB port of the display device can also be replaced with another input/output port, and then connected to the USB device 30 having the USB port 301 via an additional switching device is not limited herein. In addition, if these USB devices 30 require a supply voltage other than 5V, since the usb port 207 can only provide a 5V voltage', an adaptation device can be provided inside or outside the USB device 30 to make the received The above display device 2 USB 093124332 Form No. A0101 Page 6 / Total 17 Page 0993202870-0 1356296 r__ • On June 09, 099, the power supply for the _ page connection 207 is adapted to the USB device to be powered or charged. 30 power requirements. Before specifically describing the display device of the present invention to provide power to the USB device 30 through its USB port 207, it should be noted that the present invention can be built in the USB device 30, the display device 2, or other external devices connected to the computer. A battery or battery (not shown) can be used to charge the USB device 30, which can be an integrated battery or a removable battery/battery. However, if a charging device such as a battery is not provided, the present invention provides only power to the USB device 30, and does not have a charging function. Hereinafter, the above two types of situations are generally referred to as "providing power". . # [001.1] The second figure is a block diagram of a circuit comprising a display device for providing power to the device. The device can include a host i 0 , a display device 20 and a USB device 30. The display device 20 includes at least a power source 201, a switch circuit 203, a display control unit 202, an adaptation device 204, an OR gate circuit 〇%, and a _pUSB port 207. Where the 'power supply 201 can be built into the display can be dedicated to the power ^ ^ropsriry
於顯示裝置20之外接電源裝量ΓΡ在此並非有所限制。該 電源201、開關電路2〇3及適配裝置204可順序串接，且 該開關電路203之輸入端亦連接有該顯示控制單元202， 該顯示控制單元202可與該主機10相連接’以接收主機10 所發送來之信號。該USB連接埠207與USB設備30相連接 。該USB連接埠207包括一條地線4a、一條資料線4b、一 條資料線4c及一條電源線4d，其中之資料線4b、資料線 4c及地線4a可分別與主機1〇上之對應線相連接。該或門 電路205之輸入端可分別電連接到顯示裝置20之適配裝置 093124332 表單編號A0101 第7頁/共17頁 0993202870-0 1356296 099年06> 09日核正替择頁 ' 205及主機10，其输出端係連接到該USB連接埠207之電 源線4d。其中，該主機10可通過USB連接埠（未圖示）連 接至該或門電路205，當然，也可通過其他輸入輸出埠連 接至該或門電路205，其依所需之特定情況而定。因此， 透過該或門電路205可選擇性地接收該顯示裝置20之電源 201所提供之電力及該主機10輸送之各種信號，以下將詳 述。 [0012] 其中，該或門電路205可由兩個並聯設置之二極體所組成 φ ，或可由三極體來達成，或者其他合適之電路設置，如 在一晶片中設置有類似邏輯或功能之元件及/或内建了類 似功能之程式化軟體，在此不限。'故適配裝置204，用於 使所收到之來自顯示裝置20之電^201½配於需要提供電 力之USB設備30之電源要求。因此，該適配裝置20可包括 一電流限制裝置（未圖示），用於將在該電源201之供應 下所傳輸來之電流限制於U,SB設備30之最大充電電流。該 適配裝置20亦可包括一短路^遽被言.及f電壓調節裝置 φ (未圖示），使顯示裝置2,0和5¾¾個％腦系統1避免短 :Vw、-广 '4、々' “ 路而損壞。該電壓調節裝置，使所收到之來自顯示裝置 20之電壓由電壓調整裝置調節到USB設備30所需之電壓。 根據本發明之實施例中，該適配裝置204之部分或全部可 設置在該開關電路203與或門電路205之間，也可設置在 其他合適之位置，如在該或門電路205及USB連接埠207 之間。且在其他一些實施例中，可將適配裝置204中之部 分或全部設置在需提供電力之USB設備30中；或者，根據 特定之需要，將該適配裝置204作爲外接式之裝置，在此 093124332 表單編號A0101 第8頁/共17頁 0993202870-0 1356.296 並非有所不限。 Q99年Οβ月09日修正替換頁| [_該顯示控制單元2〇2可根據主機1〇所發送來之信 控制信號至該開關電賴3，該開關電路2G3接收該顯示 控制單元202之控制信號，以導通或關斷顯示裝置2〇内電 源201所在之線路，從而可選擇性地接收該顯示裝置^之 電源2〇1所提供之電力。其中，該電源201可直接集成或 可拆卸於⑽Μ置财，或可直接作料接式之電源 裝置，用以料部所提供之⑽丫之交流電壓轉換成合適 之電壓如5V'3.3V或其他合適之電壓值。該電源2〇1 亦可與上述之適配裝置204相互配合，以提供合適之驅動 電力至該USB設備3G。開關或 其他合適之開關’如在晶；達▲同^程式設置 ，以接收該顯示控制單元202之控制信號厂此外，本發明 之開關電路203亦可根據需要接收主機1〇及/或顯示裝置 2〇所輸送來之其他之合適窄信藏。。以下將具體描述本 發明將如何透過顯示裝置對該USB 汉備k供電力。在此之刖是，根據Intel、微 軟及東芝公司在1 996年12月22θ^Γ佈之“ACPI (高級配 置和電源接口）說明修訂版本丨.〇 ”中規定，將電腦系統 之電源管理劃分爲S0-S5六種模式，即s〇表示爲正常模式 ，ShS4表示爲程度不同之省電模式，55表示斷電模式， 因此，本發明係採用上述之劃分規範。 [0014] 使用時’當該主機1〇處於程度不同之省電模式S卜S4或斷 電模式S5時，該顯示控制單元202可偵測到該主機10之省 電狀態’並相應地發送一控制信號至該開關電路2〇3，以 093124332 表單編號A0101 第9頁/共17頁 0993202870-0 1356296 導通該顯示裝置20之電源201所在之線路，以接㈣電; ' 201所提供之電力並輸入至該適配裝置2〇4中，由該適配 裝置204將所接收之電力調整至適配於需要提供電力之 USB設備30之電源要求，此時之或門電路2〇5僅導通顯示 裝置20所在之電源201線路，而切斷主機1〇所提供之線路 ’從而透過該顯示裝置20之電源201提供電力至與該USB 連接埠相連之USB設備30，此時之{JSB連接埠並非為標準 化之USB連接埠，其僅使用了其中之電源線4d，以作爲提 供電力之接口用。如此，本發明在主機1〇處於省電或斷 電工作模式時，可自動切換至由顯示裝置2〇之電源2〇1提 供電力至該USB設備30。 、 - /’ ' 、 \ ( "\ [0015]當該主機10處於正常工作模式soif，^；機10,將發送一表 不主機正常工作”信號至該顯示控制單元2〇2，該顯示 控制單元202偵測到此一信號之後，相應地發送一控制信 號至該開關電路2〇3，以關丨斷釋示裝單2〇之電源2〇1所在 之線路，此時之或門電路2:ό;5；^遽^1〇與1]邡連接 207之間的線路，如此，本發令機，i〇處於正常The power supply capacity of the display device 20 is not limited herein. The power supply 201, the switch circuit 2〇3, and the adapting device 204 can be serially connected in series, and the display control unit 202 is also connected to the input end of the switch circuit 203, and the display control unit 202 can be connected to the host 10 The signal sent by the host 10 is received. The USB port 207 is connected to the USB device 30. The USB port 207 includes a ground line 4a, a data line 4b, a data line 4c and a power line 4d, wherein the data line 4b, the data line 4c and the ground line 4a can respectively correspond to corresponding lines on the host 1 connection. The input end of the OR circuit 205 can be electrically connected to the adaptation device 093124332 of the display device 20 respectively. Form No. A0101 Page 7 / Total 17 Page 0993202870-0 1356296 099 06 > 09 Nuclear Replacement Page '205 and host 10. The output terminal is connected to the power line 4d of the USB port 207. The host 10 can be connected to the OR circuit 205 via a USB port (not shown). Of course, it can also be connected to the OR circuit 205 via other input/output ports, depending on the particular situation desired. Therefore, the power provided by the power source 201 of the display device 20 and the various signals transmitted by the host 10 can be selectively received through the OR circuit 205, as will be described in detail below. [0012] wherein the OR circuit 205 can be composed of two diodes arranged in parallel, or can be achieved by a triode, or other suitable circuit arrangement, such as a logic or function is provided in a chip. The components and/or stylized software with built-in functions are not limited here. Thus, the adaptation device 204 is configured to enable the received power from the display device 20 to be assigned to the power requirements of the USB device 30 that is required to provide power. Accordingly, the adaptation device 20 can include a current limiting device (not shown) for limiting the current delivered by the supply of the power source 201 to the maximum charging current of the U, SB device 30. The adapting device 20 can also include a short circuit and a f voltage adjusting device φ (not shown) to prevent the display device 2, 0 and 53⁄4⁄4% of the brain system 1 from being short: Vw, - wide '4, The voltage regulation device causes the voltage received from the display device 20 to be adjusted by the voltage adjustment device to the voltage required by the USB device 30. According to an embodiment of the invention, the adaptation device 204 Some or all of it may be disposed between the switch circuit 203 and the OR circuit 205, or may be disposed at other suitable locations, such as between the OR circuit 205 and the USB port 207. In other embodiments, Some or all of the adaptation device 204 may be disposed in the USB device 30 to be powered; or, according to specific needs, the adaptation device 204 may be used as an external device, here 093124332 Form No. A0101 No. 8 Page / Total 17 pages 0993202870-0 1356.296 There is no limit. Q99 Οβ月09日修正 replacement page | [_The display control unit 2〇2 can be based on the signal sent by the host 1〇 control signal to the switch Lai 3, the switch circuit 2G3 receives the display The control signal of the unit 202 is used to turn on or off the line where the power source 201 of the display device 2 is located, so as to selectively receive the power provided by the power source 2〇1 of the display device ^. It can be integrated or detachable in (10) Μ 财, or can be directly connected to the power supply unit, and the (10) 交流 AC voltage provided by the material part is converted into a suitable voltage such as 5V '3.3V or other suitable voltage value. 2〇1 may also cooperate with the above-mentioned adapting device 204 to provide suitable driving power to the USB device 3G. A switch or other suitable switch 'such as in the crystal; up to ▲ is set to receive the display control In addition, the switch circuit 203 of the present invention can also receive other suitable narrow packets from the host 1 and/or the display device 2 as needed. The following will specifically describe how the present invention will pass. The display device supplies power to the USB device. After that, according to Intel, Microsoft and Toshiba, the revised version of "ACPI (Advanced Configuration and Power Interface)" was released on December 22, 1996.丨.〇” stipulates that the power management of the computer system is divided into six modes of S0-S5, that is, s〇 is expressed as a normal mode, ShS4 is represented as a power saving mode with a different degree, and 55 represents a power-off mode, and therefore, the present invention The above-mentioned partitioning specification is adopted. [0014] When the host 1 is in a different power saving mode Sb or S4 or the power-off mode S5, the display control unit 202 can detect the power saving of the host 10. State 'and correspondingly send a control signal to the switch circuit 2〇3, to 093124332 form number A0101 page 9 / page 17 0993202870-0 1356296 to turn on the line where the power supply 201 of the display device 20 is located to connect (four) electricity; The power provided by '201 is input to the adaptation device 2〇4, and the adaptation device 204 adjusts the received power to the power requirement of the USB device 30 that is required to provide power, and the OR gate at this time The circuit 2〇5 only turns on the line of the power source 201 where the display device 20 is located, and cuts off the line provided by the host unit 1', thereby providing power through the power source 201 of the display device 20 to the USB device 30 connected to the USB port. {JSB Company Of the port is not a standard USB port, which uses only the power line wherein 4D, as the power provided by the interface. Thus, the present invention can automatically switch to the power supply 2〇1 of the display device 2 to the USB device 30 when the host 1 is in the power-saving or power-off mode. , - / ' ' , \ ( " \ [0015] When the host 10 is in the normal working mode soif, ^; machine 10, will send a table no host normal operation" signal to the display control unit 2 〇 2, the display After detecting the signal, the control unit 202 sends a control signal to the switch circuit 2〇3 correspondingly to shut off the line where the power supply 2〇1 of the package 2〇 is located, and the OR gate circuit at this time 2: ό; 5; ^ 遽 ^ 1 〇 and 1] 邡 connection 207 between the line, so, the hair machine, i 〇 is in normal
工作SO 吟’可將該顯示裝置20之USB連^207自動切換至一標 準之USB連接埠，該USB連接埠2〇7仍可連接一移動終端 ’且可通過其中之資料線在該主機10及移動終端之間下 載/上傳相應之資料。 [0016] 此外’在上述電腦系統1處於正常工作模式時，可根據需 要借由設定電腦系統1中之中斷裝置或/及信號裝置（未 圖示）’以在一預定時間段内或某一時間點後發送一合 適之控制信號至該開關電路2〇3，從而可自動切換至由該 093124332 表單編號A0101 第10頁/共17頁 0993202870-0 1356.296 099年06月09日 顯示裝置2〇之USB連接淳207提供電力至其USB設備3〇。 [〇〇17]當本發明之上述實施例中，該開關電路203可接收來自主 機10及/或顯示裝置20之控制信號以自動切換是否由該顯 示裝置20之電源201提供電力至其USB設備3〇，而在其他 一些實施例中，該開關電路203可由手動方式設定，例如 ，可在主機10及顯示裝置20均正常運作或/及其他特定之 情況下’使用者可以透過在電腦系統1上設定一控制介面 (未圖示），如一控制功能選項菜單或一控制按鍵，以 手動控制該開關電路203及/或該或門電路205之開啓及關 閉’如此，無論該電腦主機10係否處於正常模式下，都 能從該顯示裝置2 0之U S B 4接彳ί 2,〇 7梃I電;^ \至其U S B設 • : ： Μ , ; ' i 備3〇，且該USB連接埠207也分適\性声在/標森接口及作 ___一—- — . i 爲提供電力之接口之間作切換。 [0018] ‘综上所述，本發明符合發明專利要件，爰依法提出專利 申請。惟，以上所述者僅為貪施例，舉凡 熟悉本案技藝之人士，在^神所作之等效修 飾或變化，皆摩涵蓋於以利範圍内。 【圖式簡單說明】 [0019] 第一圖係本發明具USB連接埠之顯示裝置及與其相連之 USB設備之示意圖。 [0020] 第二圖係本發明包含有顯示裝置之電腦系統及對該USB設 備提供電力之電路方框圖。 【主要元件符號說明】 [0021] 顯示裝置：20 093124332 表單編號A0101 第11頁/共17寅 0993202870-0 1356296 099年09日梭=正替&頁 ' [0022] 適配裝置：204 [0023]電源：201 • [0024] 或門電路：20 5 [0025] 顯示控制單元：202 [0026] USB連接埠：207 [0027] 開關電路：203 tThe working SO 吟 ' can automatically switch the USB connection 207 of the display device 20 to a standard USB port, the USB port 埠 2 〇 7 can still be connected to a mobile terminal 'and the data line can pass through the host 10 Download and upload the corresponding data between the mobile terminal. [0016] Furthermore, when the computer system 1 is in the normal working mode, the interrupting device or/and the signaling device (not shown) in the computer system 1 can be set as needed for a predetermined period of time or a certain After the time point, a suitable control signal is sent to the switch circuit 2〇3, so that it can be automatically switched to the display device 2 by the 093124332 form number A0101 page 10/17 page 0993202870-0 1356.296 099 The USB port 207 provides power to its USB device. [17] In the above embodiment of the present invention, the switch circuit 203 can receive a control signal from the host 10 and/or the display device 20 to automatically switch whether power is supplied from the power source 201 of the display device 20 to its USB device. In other embodiments, the switch circuit 203 can be manually set. For example, the host 10 and the display device 20 can operate normally or/and other specific conditions. Setting a control interface (not shown), such as a control function option menu or a control button, to manually control the opening and closing of the switch circuit 203 and/or the OR circuit 205, such that the computer host 10 is not In the normal mode, it can be connected to 彳ί 2, 〇7梃I from the USB 4 of the display device 20; ^ \ to its USB setting: : Μ , ; ' i is 3 〇, and the USB port 埠207 is also suitable for the \sound in the / standard interface and ___ one --- . i to switch between the interface to provide power. [0018] In summary, the present invention complies with the requirements of the invention patent and submits a patent application according to law. However, the above-mentioned ones are only greedy. For those who are familiar with the skills of this case, the equivalent modifications or changes made by God are covered by Eli. BRIEF DESCRIPTION OF THE DRAWINGS [0019] The first figure is a schematic diagram of a display device with a USB port and a USB device connected thereto. [0020] The second diagram is a block diagram of a computer system including a display device and circuitry for providing power to the USB device. [Main component symbol description] [0021] Display device: 20 093124332 Form number A0101 Page 11/Total 17寅0993202870-0 1356296 099 09 Shuttle = Positive & Page ' [0022] Adaptation device: 204 [0023 ] Power: 201 • [0024] OR gate: 20 5 [0025] Display control unit: 202 [0026] USB port: 207 [0027] Switching circuit: 203 t
093124332 表單编號A0I01 第12頁/共17頁 0993202870-0093124332 Form number A0I01 Page 12 of 17 0993202870-0