1362512 九、發明說明： 【發明所屬之技術領威】 本發明係為一種電磁波感測裝置，特別是指一種至少 具有兩種感測單元的電磁波感測裝置，以分別感測週遭環 境光與特定波長範園的電磁波。 【先前技術】 習知技術中的電磁波感測裝置’如光感測裝置，係透 過光電效應，其中的感測單元如光二極體（photo diode )， 能將接收到的光能量轉換為電子訊號，即所謂的光電流。 光感測裝置廣泛應用於對於環境光的感測，環境光的 感測電路則常應用於液晶顯示螢幕（LCD displayer)的背 光面板上，主要是於觀看顯示螢幕的内容時，環境光的亮 度會對顯示效果產生影響’透過此感測電路感測環境光的 亮度，能使顯示螢幕的背光模組產生亮度的改變，相對的 背光亮度產生不受影響的顯示效果。比如在環境光較亮的 室外，行動電話上顯示螢幕能夠產生較高亮度的背光，讓 使用者能清楚看到其中内容；反之’若於環境光較暗的室 内時，背光則可以產生較低的亮度，達到省電的目的。 相關技術如西元2005年1〇月6日公開的美國專利申 請案第2005/0219228號所述安裝於行動設備中的感測裝 置。其中揭不有複數種感測器，而如第一圖所示，感測裝 置10中包括有複數個感測器，例如有光感測_ (咖扣 職0〇 U與運動感測器（proxlmity sens〇r) 12，此光感 測盗η係用來偵測環境光的強度，而運動感測器12則是 1362512 用以偵測接近的物體與其移動。在此案中，感測裝置ι〇 需要利用-個整合電路13整合各感測單^的訊號应功 能，並提供使用者介面（未顯示於圖中），可由其他主機設 定不同的感測功能。然而，各不同的感測器則^ ^ 不同的介面與控制環境。 再如西it 2007年4月19日所公開的美國專利 2007/0085157號所述的整合式的感測器，如第二 ， 係為-種包括針對環境光與移動物體感 =番 :。此感測裝置同時具有發射器21與_電磁波 此感測裝置20具有感測環境光的 端的微控制器23 ’微控制器23係 更:接， 模式，㈣有感測接近物體的模式與感裝=的 微控制$ 23再將所感測的 、Ά，1362512 IX. Description of the Invention: [Technical Leading Technology of the Invention] The present invention is an electromagnetic wave sensing device, and more particularly to an electromagnetic wave sensing device having at least two sensing units for respectively sensing ambient ambient light and specific The electromagnetic wave of the wavelength range. [Prior Art] An electromagnetic wave sensing device such as a light sensing device in the prior art transmits a photoelectric effect, and a sensing unit such as a photo diode can convert the received light energy into an electronic signal. , the so-called photocurrent. The light sensing device is widely used for sensing ambient light, and the ambient light sensing circuit is often applied to a backlight panel of a liquid crystal display (LCD displayer), mainly for brightness of ambient light when viewing the content of the display screen. It will affect the display effect. 'The brightness of the ambient light is sensed through the sensing circuit, which can cause the brightness of the backlight module of the display screen to change, and the relative backlight brightness produces an unaffected display effect. For example, in an outdoor environment where the ambient light is bright, the display on the mobile phone can produce a backlight with higher brightness, so that the user can clearly see the content; otherwise, if the ambient light is dark, the backlight can be lower. The brightness is achieved for the purpose of saving electricity. The related art is a sensing device installed in a mobile device as described in U.S. Patent Application Publication No. 2005/0219228, issued Jan. 6, 2005. There is no plurality of sensors disclosed, and as shown in the first figure, the sensing device 10 includes a plurality of sensors, such as a light sensor _ (a service button 0 〇 U and a motion sensor ( Proxlmity sens〇r) 12, the light sensing η is used to detect the intensity of ambient light, and the motion sensor 12 is 1362512 to detect the proximity of the object and its movement. In this case, the sensing device Ι〇 needs to integrate the signal function of each sensing unit with an integrated circuit 13 and provide a user interface (not shown in the figure), and different sensing functions can be set by other hosts. However, different sensing functions The device is a different interface and control environment. The integrated sensor described in U.S. Patent No. 2007/0085157, which is published on Apr. 19, 2007, the second, the Ambient light and moving object sense = Fan: The sensing device has both the transmitter 21 and the electromagnetic wave. The sensing device 20 has a microcontroller 23 that senses the end of the ambient light. The microcontroller 23 is more connected, mode, (4) There are patterns and senses that sense proximity objects = micro control $ 23 and then feel Of, Ά,
於其他元件〜能：適當的S ;動感測的功能時，偵測器二物體 測除了由發射器21產生:ΐ==測器^ 上述習知技術所產生的偵測流程如第 、]達在-個❹作置内的兩個感測器之主要 :到移動物體，並能感測其他光 方〜错以感 钱測裝置中的笋鼾哭菸ψ σ Α ^01顯不由此 广3 “感;接近物磁㈡步 射器產生的電磁波;之後，步驟S3〇5則表示 1362512 光的模式下，可以感測到其他光源。 【發明内容】 不同於習知技術所提供具有不同感測功能的感測器的 感測裝置，本發明的目的是提供一種具有兩種感測不同電 磁波範圍的電磁波感測裝置，透過工作模式的切換，設定 其中感測單元的感測範圍。 電磁波感測裝置之較佳實施例包括有一個第一感測單 元，其中具有一或多數個感測元件.，如光二極體，用以感. 測環境光，並產生第一感測訊號；另更包括一第二感測單 元，其中具有一或多數個感測元件，以感測一特定範圍的 電磁波，並產生第二感測訊號。之後利用感測訊號處理手 段接收第一感測單元與第二感測單元的感測訊號，進行資 料處理，包括訊號轉換，設定電磁波感測裝置之工作模式 等。 上述第一感測單元與第二感測單元分別感測不同的光 源，依據不同的需求進行設定，包括環境光的感測與各波 段電磁波的感測等。而此電磁波感測裝置更具有一訊號轉 換單元，能將感測的光訊號轉換為電性訊號，包括線性 (linear-to-linear )及對數形式（linear-to-nature )的電性 訊號。此感測訊號處理手段可設定感測裝置所要接收的感 測訊號波段，亦能透過參數控制第一感測單元或第二感測 單元停止或開始運作，與其運作時間。 【實施方式】For other components ~ can: appropriate S; dynamic sensing function, the detector two object measurement is generated by the transmitter 21: ΐ = = detector ^ The above detection process generated by the prior art is as follows The mains of the two sensors in the ❹ 置 : 到 到 到 到 到 到 到 到 到 到 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 "Sense; close to the electromagnetic wave generated by the magnetic (2) ejector; after that, step S3 〇 5 indicates that the other light source can be sensed in the mode of 1362512 light. [Disclosed] Different sensing is provided by the prior art. The sensing device of the functional sensor, the object of the present invention is to provide an electromagnetic wave sensing device having two sensing electromagnetic wave ranges, and the sensing range of the sensing unit is set by switching the working mode. A preferred embodiment of the device includes a first sensing unit having one or more sensing elements, such as a photodiode, for sensing ambient light and generating a first sensing signal; a second sensing unit having One or more sensing elements to sense a specific range of electromagnetic waves and generate a second sensing signal. The sensing signal processing means is then used to receive the sensing signals of the first sensing unit and the second sensing unit. Data processing, including signal conversion, setting the working mode of the electromagnetic wave sensing device, etc. The first sensing unit and the second sensing unit respectively sense different light sources, and are set according to different requirements, including sensing of ambient light and The electromagnetic wave sensing device of each band has a signal conversion unit, which can convert the sensed optical signal into an electrical signal, including linear-to-linear and log-to-linear (linear-to -nature) electrical signal. The sensing signal processing means can set the sensing signal band to be received by the sensing device, and can also control the first sensing unit or the second sensing unit to stop or start operating through the parameter, and operate Time. [Embodiment]
".*· ·Λ X 8 本發明所提供的電磁波感測裝置係能整合感測環境或 特定電磁波源之電磁波能量的感測單元，並包含後段感測 訊號處理的電路，如光訊號轉換為電性訊號的類比數位訊 號轉換電路，包括設定電磁波感測範圍的設定，與其中傳 遞的參數，甚至包括與另外處理單元之間訊號中斷 (interrupt)處理。透過各種設定，使其最終輸出值能有一 定的特性，讓使用此產品的廠商能不需依據不同的供應產 品.使用不同的硬體或是軟體演算方法。 本發明所提供的電磁波感測裝置主要是在一個感測裝 置中設置有複數個感測單元，至少包括兩種感測不同電磁 波範圍的電磁波感測裝置，能依據實際需求設定其中感測 單元的感測窥圍。於一最佳實施例中，則是包括分別感測 週遭環境光與特定波長範圍的電磁波。 請參閱第四圖所示本發明t磁波感測裝置之較佳實施 例示意圖，其中顯示為一具有多個感測單元的感測裝置 40，至少包括有圖示之第一感測單元41與第二感測單元 42,特別的是，此兩個感測分別可以感測不同電磁波範圍， 其中皆包括至少一個感測元件（未顯示於圖中），如光二極 體（photodiode )，以分別感測環境光與特定範圍的電磁 波，並產生相對應的感測訊號，包括第一感測訊號與第二 感測訊號。 上述之第一或是第二感測單元所感測之特定範圍的電 磁波可包括可見光與不可見光，而其中所包括的感測元件 可為複數個二極體元件，如光二極體，其實施例可為一種 在一基材上具有PN接面、金屬層、聚合物層或其組合的二 9 極體.元件。各感測單元中的感測元件可透過製程的參數修 正改變感測波段，以製程決定該元件的特性與其可以感測 電磁波的範圍。 感測裝置40更包括一後端的感測訊號處理手段，可為 一種感測訊號處理電路43，用以接收上述各感測單元中的 感測元件所產生的感測訊號，並可透過一訊號轉換單元執 行光電訊號轉換，將光訊號轉換電性訊號，通常因接收外 界電磁波所產生的光訊號為類比訊號，再轉換至數位的電 性訊號，包括電壓或是電流訊號，並能根據電磁波感測裝 置之工作模式（working mode)輸出結果。 更者，此感測訊號處理手段能處理一外部電磁輻射源 的特定波長的電磁波，並透過參數控制第一感測單元41 或第二感測單元42停止/開始運作，並各感測單元的運作 時間，並特別能在各感測單元的偵測範圍内設定其中特定 的電磁波感測範圍，包括可見光、不可見光，或是限制於 人眼可辨別的環境光等。 上述工作模式可包括全速工作，即能隨時進行光感 測，並於符合中斷條件後發出中斷請求，和休眠模式 (sleep)，即感測裝置進入停'止運作的狀態，另外本發明 所提供的電磁波感測裝置40更可包括一半休眠模式，能週 期性地啟動此電磁波感測裝置，以週期性地感測該電磁波 源產生的電磁波能量，而並非持續地進行感測，如此可減 低工作消耗電流，且不需完全停止工作。 接著，上述電磁波感測裝置40的第一感測單元41與 第二感測單元42中皆更包括一電磁波濾波器(未顯示於圖 10 1362512 中）’能過濾電磁波範圍於-人眼可辨別的電 ^大比=在電磁波範圍為450nm至㈣⑽的波段皮長= 琅大巔峰值約於550nm，請泉 其中 的電磁波醉響應圖。^弟五圖所不的人眼可辨識 另外’電磁波感測裝置40更包括一耦接手段 Ϊ至f他應用裝置，包括透過傳輸介面電性連接一曰主：".*··Λ X 8 The electromagnetic wave sensing device provided by the present invention is a sensing unit capable of integrating electromagnetic energy of a sensing environment or a specific electromagnetic wave source, and includes a circuit for processing signals of a subsequent sensing signal, such as optical signal conversion. The analog digital signal conversion circuit for the electrical signal includes setting the electromagnetic wave sensing range, and the parameters transmitted therein, and even including signal interrupt processing with another processing unit. Through various settings, the final output value can have certain characteristics, so that manufacturers using this product can use different hardware or software calculation methods without depending on different supply products. The electromagnetic wave sensing device provided by the present invention is mainly provided with a plurality of sensing units in one sensing device, and at least two electromagnetic wave sensing devices for sensing different electromagnetic wave ranges are provided, and the sensing unit can be set according to actual needs. Sensing the gaze. In a preferred embodiment, it includes electromagnetic waves that sense ambient ambient light and a particular range of wavelengths, respectively. Referring to the fourth embodiment, a schematic diagram of a preferred embodiment of the present invention provides a sensing device 40 having a plurality of sensing units, including at least the first sensing unit 41 and the illustrated The second sensing unit 42, in particular, the two sensings respectively can sense different electromagnetic wave ranges, each of which includes at least one sensing element (not shown), such as a photodiode, to respectively The ambient light and the specific range of electromagnetic waves are sensed, and corresponding sensing signals are generated, including the first sensing signal and the second sensing signal. The specific range of electromagnetic waves sensed by the first or second sensing unit may include visible light and invisible light, and the sensing elements included therein may be a plurality of diode elements, such as photodiodes, embodiments thereof It can be a two-pole body element having a PN junction, a metal layer, a polymer layer or a combination thereof on a substrate. The sensing elements in each sensing unit can modify the sensing band through the parameters of the process, and determine the characteristics of the element and the range of electromagnetic waves that can be sensed by the process. The sensing device 40 further includes a sensing signal processing device at the back end, and is a sensing signal processing circuit 43 for receiving the sensing signal generated by the sensing component of each sensing unit and transmitting a signal. The conversion unit performs photoelectric signal conversion to convert the optical signal into an electrical signal. Usually, the optical signal generated by receiving the external electromagnetic wave is an analog signal, and then converted into a digital electrical signal, including a voltage or a current signal, and can be based on the electromagnetic wave sense. The working mode of the measuring device outputs the result. Moreover, the sensing signal processing means can process the electromagnetic wave of a specific wavelength of an external electromagnetic radiation source, and control the first sensing unit 41 or the second sensing unit 42 to stop/start operation through the parameter, and the sensing units are The operation time, and in particular, the specific electromagnetic wave sensing range, including visible light, invisible light, or ambient light that can be discerned by the human eye, can be set within the detection range of each sensing unit. The above working mode may include full-speed operation, that is, light sensing can be performed at any time, and an interrupt request is issued after the interrupt condition is met, and a sleep mode (sleep), that is, a state in which the sensing device enters the stop operation, and the present invention provides The electromagnetic wave sensing device 40 may further include a half sleep mode, which can periodically activate the electromagnetic wave sensing device to periodically sense the electromagnetic wave energy generated by the electromagnetic wave source, instead of continuously performing sensing, thereby reducing the work. Current consumption and no need to stop working completely. Then, the first sensing unit 41 and the second sensing unit 42 of the electromagnetic wave sensing device 40 further include an electromagnetic wave filter (not shown in FIG. 10 1362512), which can filter the electromagnetic wave range to be discernible by the human eye. The electric power ratio = in the electromagnetic wave range of 450nm to (four) (10), the length of the skin is = 琅 巅 巅 约 约 约 约 约 约 约 约 约 , 请 请 请 请 电磁 电磁 电磁 电磁 电磁 电磁 电磁 电磁 电磁 电磁 电磁 电磁 电磁The human eye can be identified by the human eye. The electromagnetic wave sensing device 40 further includes a coupling means to the application device, including electrically connecting the first through the transmission interface:
，將，合此串列式傳輪介面標準的訊號= C列式傳輸線電性連接至主機端。實際應用更可包括 有USB介面、IEEE1394介面、Rs_232，或是其他符合各種 工業標準的介面。, will, in conjunction with the serial port interface standard signal = C-column transmission line is electrically connected to the host. Practical applications include USB interfaces, IEEE1394 interfaces, Rs_232, or other interfaces that meet various industry standards.
在一貫施例中’本發明所揭示的電磁波感測裝置更提 供兩個以上的中斷點（interrupt)設定能力，透過上述感測 訊號處理電路執行一或複數個中斷條件之判斷，每個中斷 點分布在不同的能量範圍中，當電磁波能量符合其中之一 中斷條件’則能對主機端發出感測訊號。每個中斷點各對 應不同的電磁波能量與訊號強度，表示此電磁波感測裝置 能產生較多樣的感測訊號，符合不同的需求，龙可客製化 (customized)。 本發明之電磁波感測裝置之另一實施例係結合複數個 電磁波感測單元而形成一能感測複數種電磁波源之電磁波 感測裝置，如第六圖所示之實施例示意圖。 、 此例之電磁波感測裝置6〇係同樣整合傳輸介面605、 控制單元604與訊號轉換單元603，更包括兩個以上的感 測單元601，602，故此電磁波感測裝置22能夠感測兩個波 ·.〆 11 1362512 段以上的電磁波，各感測單元6〇1，6〇2中的 顯示於圖中)亦具有不同的電磁波斷的感‘ 程決疋:此兩個電磁波感測單元謝，6Q2係電 ς 號轉換單元603，並共用此訊號轉換單元6 604與傳輸介面605,可利用手動方式 使== 波源啟動不同== 早兀k叫啟動，產生較廣㈣職 疇並不限制於此實施例。 本發明之摩巳 舉例來說’第-感測單元601可為感剛 單元’主要的感測範圍在可見光的頻段中， ^ 兀602則可為感測不可見光，其感測範圍則 早 頻=:如紫外光、紅外光等。當第一感測單元6〇ι或； 一感測早7L 602等複數個電磁波感測單元接收到特 的電磁波源時，則產生複數個類比訊號，由訊號轉換= 603轉換為複數個數位訊號，再透過控制單元⑽4進== 出範圍的鮮，_衫制某—巾斷條件，或是控^ 感測模式（全速J1作模式、休眠模式或是半休眠模式上^ 主機端62 |出中斷請求，並待回應後，對主機端⑽傳遞 感測訊號。 ^ —本發·設定複數個巾斷點，並可由外部主機端透過 设定介面奴，3収可蚊㈣巾賴式，—為振幅 超過设定值發生中斷’另-為累積值達到—次數後發生中 斷。 综上所述，本發明所揭示的電磁波感測裝置係為—整 合兩個或以上感測單元、訊號轉換、控制單元與傳輪介面In a consistent embodiment, the electromagnetic wave sensing device disclosed by the present invention further provides two or more interrupt setting capabilities, and performs one or more interrupt condition determinations through the sensing signal processing circuit, each of the interruption points. Distributed in different energy ranges, when the electromagnetic wave energy meets one of the interrupt conditions, it can send a sensing signal to the host. Each break point corresponds to different electromagnetic wave energy and signal intensity, indicating that the electromagnetic wave sensing device can generate a variety of sensing signals, which meet different requirements, and can be customized. Another embodiment of the electromagnetic wave sensing device of the present invention combines a plurality of electromagnetic wave sensing units to form an electromagnetic wave sensing device capable of sensing a plurality of electromagnetic wave sources, as shown in the sixth embodiment. The electromagnetic wave sensing device 6 of this example also integrates the transmission interface 605, the control unit 604 and the signal conversion unit 603, and further includes two or more sensing units 601, 602, so that the electromagnetic wave sensing device 22 can sense two Waves of ·11 1362512 or more, each of the sensing units 6〇1,6〇2 are shown in the figure) also have different electromagnetic wave breaks. The process of these two electromagnetic wave sensing units The 6Q2 is an electric signal conversion unit 603, and shares the signal conversion unit 6 604 and the transmission interface 605. The manual operation can be used to make the == wave source start differently == early k call start, and the wider (four) job domain is not limited. This embodiment. For example, the first sensing unit 601 can be a sensing range of visible light in the visible light band, and 兀 602 can sense invisible light, and the sensing range is early frequency. =: such as ultraviolet light, infrared light, etc. When the first sensing unit 6〇1 or a plurality of electromagnetic wave sensing units such as the sensing 7L 602 receives a special electromagnetic wave source, a plurality of analog signals are generated, and the signal conversion=603 is converted into a plurality of digital signals. And then through the control unit (10) 4 into == out of the range of fresh, _ shirt made a certain towel condition, or control ^ sensing mode (full speed J1 mode, sleep mode or half sleep mode ^ host end 62 | out After interrupting the request, and waiting for the response, the sensing signal is transmitted to the host terminal (10). ^—This hair sets a plurality of towel breakpoints, and can be set by the external host through the setting interface slave, and 3 can receive the mosquito (4) towel, - The interruption occurs when the amplitude exceeds the set value, and the interruption occurs. The electromagnetic wave sensing device disclosed in the present invention is to integrate two or more sensing units, signal conversion, Control unit and transmission interface
12 X.S 1362512 的感測裝置，將感測訊號的運算、轉換與參數設定皆整合 在一個裝置内，以此使產品能產生一致的特性。 惟以上所述僅為本發明之較佳可行實施例，非因此即 侷限本發明之專利範圍，故舉凡運用本發明說明書及圖示 * 内容所為之等效結構變化，均同理包含於本發明之範圍 . 内，合予陳明。 【圖式簡單說明】 ® 第一圖所示為習知技術中具有複數個感測器之感測裝 置示意圖； 第二圖所示為習知技術之一整合感測裝置示意圖； 第三圖所示為習知技術之偵測流程圖； -第四圖所示為本發明電磁波感測裝置之較佳實施例示 意圖； ...第.五.圖所示為人眼可辨識的電磁波頻率響應圖； 第六圖所示為本發明電磁波感測裝置之較佳實施例之 ® 電路方塊圖。 【主要元件符號說明】 感測裝置10 運動感測器12 發射器21 微控制器23 微處理器24 環境光感測器11 個整合電路13 偵測器22 感測裝置20 其他元件2512 X.S 1362512's sensing device integrates the operation, conversion and parameter setting of the sensing signal into one device, so that the product can produce consistent characteristics. However, the above description is only a preferred embodiment of the present invention, and thus the scope of the present invention is not limited thereto, and equivalent structural changes made by using the present specification and the contents of the drawings are equally included in the present invention. The scope. Within, combined with Chen Ming. [Simple description of the diagram] ® The first figure shows a schematic diagram of a sensing device with a plurality of sensors in the prior art; the second figure shows a schematic diagram of an integrated sensing device of the prior art; Shown as a detection flow chart of the prior art; - The fourth figure shows a schematic diagram of a preferred embodiment of the electromagnetic wave sensing device of the present invention; .... Fig. 5. shows the electromagnetic wave frequency response recognizable by the human eye Figure 6 is a block diagram of a circuit of a preferred embodiment of the electromagnetic wave sensing device of the present invention. [Description of main component symbols] Sensing device 10 Motion sensor 12 Transmitter 21 Microcontroller 23 Microprocessor 24 Ambient light sensor 11 integrated circuits 13 Detector 22 Sensing device 20 Other components 25
• X 13 1362512 第一感測，單元41 第二感測單元42 感測訊號處理電路43 感測裝置40 感測裝置60 第一感測單元601 訊號轉換單元603 傳輸介面605 主機端62 第二感測單元602 控制單元604• X 13 1362512 first sensing, unit 41 second sensing unit 42 sensing signal processing circuit 43 sensing device 40 sensing device 60 first sensing unit 601 signal conversion unit 603 transmission interface 605 host end 62 second sense Measurement unit 602 control unit 604