201019793 九、發明說明： 【發明所屬之技術領域】 本發明係關於一種發光裝置 【先前技術】 Ο 於液晶顯示設備（LCD apparatus)中，一般是使用冷 陰極螢光燈作為背光模組的發光單元。然而，因為冷陰極 螢光燈對於色彩的表現較不如發光 二極體（light-emitting diode，LED) ’因此，在發光二極體之技術逐漸成熟的前提 下，目前已有業者將發光二極體作為發光裝置使用。 請參照圖1所示，習知的發光裝置〗係具有一電源供 應迴路11及複數個發光二極體12，其係藉由電源供應迴 提供電源至各發光二極體12，以使各發光二2 發光。 於筲知技術中 rfq 測各發先二極…狀態201019793 IX. Description of the Invention: [Technical Field] The present invention relates to a light-emitting device [Prior Art] In a liquid crystal display device (LCD apparatus), a cold cathode fluorescent lamp is generally used as a light-emitting unit of a backlight module. . However, because the cold cathode fluorescent lamp is not as good as the light-emitting diode (LED) for color, therefore, under the premise that the technology of the light-emitting diode is gradually mature, the current industry will have a light-emitting diode. The body is used as a light-emitting device. Referring to FIG. 1 , a conventional light-emitting device has a power supply circuit 11 and a plurality of light-emitting diodes 12, which are supplied with power to each of the light-emitting diodes 12 to make each light-emitting device. Two 2 illuminates. In the knowing technology, rfq measures the first two poles... state
另外，若發光二極體U T11亦無法相應的調整提供至發光二極體 小，而這些情況都會造成電一祕與㈣。、電源大 因此，如何能對發光裝置的 做 減少電能的損耗與浪費，實屬禽前重要課題:二控制’並 5 201019793 【發明内容】 有鑑於上述課題，本發明之目 =電源做更有效_，少電=耗=: =達上述目的，依據本發明之—種發光裝置包含一電 ❿ ❹ 迴路及—檢測控制迴路。電源供應迴 ，】出一包机。發光迴路與電源供應迴路 有串聯連接之複數發光單元。各發 ^接’並具 流至發光迴路。 飞開·恶，而停止供應電 、承上所述，依據本發明之發光裝置俜 叫檢測發光迴路之功率、或電壓、或=先藉，測控制 而停止供庫雷、土s旅土、.飞笔机、或開關狀態， 依摅欲 目此，树罟~7 雇據?光迴路的狀態，來對應的控制發光迴路 〜错此即可減少不必要的電能損耗與浪費。路電机的供 【實施方式】 Η下將參照相關圖式，說明依據 置，其中㈣元件係以相同符號表k —種發光裝 4參照圖2所示，本發明之發光裝置2~人—、 3、一發光迴路4 匕3電源供 帑、…、 檢测控制迴路5。 電源供應料3係輸出—電流卜 、 )或交流（AC)。發光迴路4盥恭 /；'L可為直流 九坦路4與電源供應迴路3電性 201019793 ，接’並具有φ聯連接之複數發光單元4ι 1具有相互電性連接之一發光元件411及=早： 412°其中’於本實施例中，以發光單元41复有 I :件川’且開關元件412與該等發光元件;; •為例作說明，然其非限制性。 並％連接 發光元件411例如可為—發光二極體或—冷 、。於本實施例中，發光元件411以發光二極：、' ，’然其非限制性。開關元件412例如為雙 BJT)或金氧半場效電晶體（MOSFET)，於太每电曰曰體 開關元件化以M〇SFET作說明。 、本只施例中， 檢測控制迴路5係檢測發光迴路4之 ::電流、或開關狀態。其中，功率例如為發=或電壓、 功率或發先功率，雷厥十恭+从 路4的雷 或或電流為發光迴路4 _ 、机小’而開關狀態為該等開關元件412的壓大小 0畲厭因此’當檢測控制迴路5檢測發光迴路4 :1關狀態。 、、或電流小於等於1值時 功率、或 '、供應―停止供應電流！至發光=Γ5即可使 -態，=卜=檢測控制迴路5係檢測發光避路4 7至 >、-開關元件412為關閉（tunl 相狀 ^為開啟狀態，此時，^(=⑻狀態，則發以 % 3繼續供應電流了至發光二坦路5會使電源供應趣 化為開啟狀態，即表示該但，當全部開闕元件 則發光迴路4為關閉狀態，檢;二二^ 7 201019793 應迴f 3以停止供應電流J至發光迴路4。 藉此，本實施例之發光裝置2可 態，來對應的控制發光迴路4之電 Λ先迴路4的狀 少不必要的電能損耗與浪費。机、]入，藉此即可減 另為 ❹ ❹ :包含-亮度控制單元51，其係與:等：:迴^更 其中之一電性連接。 尤早兀41至少 亮度控制單元51可具有一比較元 =512及一感測元件513,三者電性連接。比;電，存 例如可為-比較器或_比流器=^幸乂轉⑴ 如可為一電容器，感測元件5U例如可為2兀件512例 一光敏電阻。於此，比較元件511以電光二極體或 件513以感光二極體作說明。H 又器，感測元 係非限制性，依不同的;求可；=制單元51 式。 水」有不同的設計方 因此’亮度控制單元51剎 點亮後之發光元件4ΐι的光線德u兀件513在接受到 性’來消耗或調節儲存於電荷儲:會產生漏電流的特 ^ΓΙπΓΓ' 開啟，以使發光元件411 — 之開關7G件412 可依據發光單元41之發光:。糟此，亮度控制單元51 元件化，並由電荷儲；光亮度控制開關 的發W間，⑽制發光單以的亮度。 8 201019793 睛參日§ IS1 /1 ^ mn... 所示’其為本實施例之發光裝置2b又一In addition, if the LED U T11 is not adjusted to provide a small LED, these conditions will cause electricity and (4). Therefore, the power supply is large, how to reduce the loss and waste of electric energy for the illuminating device, which is an important topic before the poultry: two control '5 5, 19,793, 1979. SUMMARY OF THE INVENTION In view of the above problems, the object of the present invention = power supply is more effective _, less electricity = consumption =: = for the above purpose, the illuminating device according to the invention comprises an electric ❹ circuit and a detection control circuit. Power supply back,] out of a charter. The lighting circuit and the power supply circuit have a plurality of light emitting units connected in series. Each sends a connection to the lighting circuit. Flying and escaping, and stopping the supply of electricity, according to the present invention, the illuminating device according to the present invention squeaks the power, or voltage of the illuminating circuit, or = first borrows, controls the control and stops the supply of the mine, the soil s, . Flying pen, or switch state, depending on the desire, the tree 罟 ~ 7 employment data? The state of the optical circuit, to control the lighting circuit ~ wrong to reduce unnecessary power loss and waste. [Embodiment] The following description will be made with reference to the related drawings, wherein (4) the components are the same symbol table k-type illuminating device 4, as shown in Fig. 2, the illuminating device 2~ person of the present invention- 3, a lighting circuit 4 匕 3 power supply, ..., detection control circuit 5. Power supply material 3 is output - current, or AC (AC). The light-emitting circuit 4 is / /;; 'L can be a DC nine-tank road 4 and a power supply circuit 3 electrical 201019793, and the plurality of light-emitting units 4 1 having a φ connection are electrically connected to one of the light-emitting elements 411 and = Early: 412° wherein, in the present embodiment, the light-emitting unit 41 is replenished with I: a member of the device, and the switching element 412 and the light-emitting elements are used as an example; however, it is not limited. And the %-connected light-emitting element 411 can be, for example, a light-emitting diode or a cold. In the present embodiment, the light-emitting element 411 has a light-emitting diode: ', ', which is not limited. The switching element 412 is, for example, a double BJT) or a gold oxide half field effect transistor (MOSFET), and is described as an M 〇 SFET for each of the electrical switching elements. In the present embodiment, the detection control circuit 5 detects the ::current or switching state of the light-emitting circuit 4. Wherein, the power is, for example, the power==voltage, power or power, and the Thunder or the current of the slave 4 is the light-emitting circuit 4 _ , the machine is small and the switch state is the pressure of the switching element 412 0 畲 因此 therefore 'When the detection control loop 5 detects the lighting circuit 4: 1 off state. , or when the current is less than or equal to 1 power, or ', supply - stop supply current! To illuminate = Γ5, the state can be made, = 卜 = detection control loop 5 detects the illuminating escape 4 7 to >, - the switching element 412 is off (tunl phase is turned on, at this time, ^ (= (8) State, then send the current to %3 to illuminate the second road 5 will make the power supply interesting to the open state, which means that, when all the components are opened, the lighting circuit 4 is off, check; 7 201019793 should return to f 3 to stop the supply of current J to the light-emitting circuit 4. Thereby, the light-emitting device 2 of the present embodiment can be used to control the shape of the electric circuit 4 of the light-emitting circuit 4 with less unnecessary power loss. And waste, machine,], by which you can reduce the other ❹ ❹: include - brightness control unit 51, which is connected with: etc.: back to one of the electrical connections. 51 may have a comparison element = 512 and a sensing element 513, the three are electrically connected. The ratio; electricity, for example, may be - comparator or _ current comparator = ^ fortunately (1) if it can be a capacitor, sense The measuring element 5U can be, for example, 512 cases of a photoresistor. Here, the comparison element 511 is illuminated by an electro-optical diode or piece 513. The diode is used for explanation. The H is the same, the sensing element is non-restrictive, depending on the difference; the requirement is; the unit is 51. The water has different design sides, so the brightness of the brightness control unit 51 is turned on. The light 德 兀 513 of the component 4 ΐ 在 消耗 消耗 消耗 消耗 消耗 消耗 消耗 消耗 消耗 消耗 513 513 513 513 513 513 513 513 513 513 513 513 513 513 513 513 513 513 513 513 513 513 513 513 513 513 513 513 513 513 513 513 513 513 513 513 513 513 Illumination: In this case, the brightness control unit 51 is componentized and stored by the charge; the brightness of the light control switch is controlled by the light, and (10) the brightness of the light is emitted. 8 201019793 参参日§ IS1 /1 ^ mn... Shown as 'the light-emitting device 2b of the present embodiment yet
更"Ί 匕態 -Ά- T^J ^ 、思圖。發光裝置2b可更包含一旁路開關迴路6。 本實例如可包含一 BJT或一 M〇SFET’於 與發光^4 ㈣作說明。旁路關迴路6係 並聯連接。於太: 與至少其中之一發光單元41 ❹ ❿ 軍+ Λ1 '本貝施例中，以旁路開關迴路ό與複數發光 早凡41並聯連接作說明，然其非限制性。 或電：此或!3控制迴路5b檢測發光迴路4之功率、 控制旁路…於等於：閥值’檢測控制迴路5b即可 3 ml坦路6旁路導通電流1或關電源供應迴路 路^=,丨1_至發光㈣4。料—制迴 路4之該等發朵先迴路4之開關狀態’同樣地，當發光迴 可控制旁路門M疋件411為關閉狀態時，檢測控制迴路5b 工市』穹路開關迴路6旁 路3,心供應電流！至發或關閉電源供應迴 件二，不論旁路開關迴路6包含三端開關元 係小於發細路4導通時之端電堡。、發^路4之端電墨 電：單路5b更可包含-檢m及- 器、=::=含±邏輯閘，較器、· _、或電流'=態其:=·之功率' 其中W㈣蝴7：== 201019793 或電流為發光迴路4㈣ 態為該等開關元件412的n=大小’而開關狀 數位訊鞔或類比訊號。 〖狀悲。回授訊號F例如可為 毛竦控制單元53例如可 邏輯閘例如為或（OR)閑、，有邏％閑或比較含 因此，當回授訊號F為:1 (AND)閘。More "Ί 匕 state -Ά- T^J ^, thinking. The illumination device 2b may further comprise a bypass switch circuit 6. This example may include a BJT or an M〇SFET' for illumination and illumination (4). The bypass circuit 6 is connected in parallel.于太: With at least one of the light-emitting units 41 ❹ 军 + + Λ 1 'Benbei, the bypass switch circuit ό and the complex illuminating light 41 are connected in parallel for explanation, but it is not limited. Or electricity: this or! 3 control loop 5b detects the power of the lighting circuit 4, control bypass... equals: threshold value 'detection control loop 5b can be 3 ml 坦路6 bypass conduction current 1 or turn off the power supply loop road ^ =, 丨1_ to illuminate (four) 4. The switching state of the first circuit 4 of the material-making circuit 4 is similarly. When the light-emitting back controllable bypass door M is closed, the detection control circuit 5b is next to the switch circuit 6 Road 3, the heart supply current! The power supply is returned to or off, regardless of whether the bypass switch circuit 6 includes a three-terminal switch element that is smaller than the end of the thin circuit 4 when it is turned on. , the end of the road 4 electric ink: single 5b can also include - check m and -, =:: = ± ± logic gate, comparator, · _, or current '= state: = · power Where W(4) butterfly 7:== 201019793 or the current is the illumination circuit 4 (four) state is the n=size ' of the switching elements 412 and the switch-like digital signal or analog signal. 〖Sorrowful. The feedback signal F can be, for example, the scorpion control unit 53 such as a logic gate, for example, an OR, or a logical idle or comparison. Therefore, when the feedback signal F is: 1 (AND).
與一閥值。當回授訊號53會比較回授訊號F 元53可控制旁路開關迴路6^於間值時，則電源控制單 供應迴路3 1停止供應電/^導通電流I’或關閉電源 另外，當檢測單元52為松屮^先迴路4。 時(例如檢剛單元52為檢數個 電源控制單元53則 」開關兀件“2之開關狀態）， 該等回授訊fuF進行或（⑽輯閘。電源控制單元53可對 依據運算結果，若發光迴路4)運#、或及（侧）運算。 狀態，則電源㈣單元53 等發光元件411為關閉 通電流b或關閉電源供應趣：3制旁路開關迴路6旁路導 光迴路4。 路3，以停止供應電流I至發 迴路檢測發據本發明之發光裝置係先藉由檢測控制 而停止供鹿電^之功率 '或電壓、或電流、*開關狀態， 依據發光㈣^發光鱗。因此，本㈣之發光裝置可 應，轉此即可诘小大態，來對應的控制發光迴路電源的供 裝置更可包、不必要的電能損耗與浪費。另外，發光 "'方路開關迴路’藉此檢測控制迴路除可關閉 201019793 電源供應迴路外，亦可控制旁路開關迴路旁路導通電流 或，以停止供應電流至發光迴路。 又，檢測控制迴路更可包含一檢測單元及一電源控制 - 單元。檢測單元係可產生數位或類比的回授訊號，電源控 - 制單元則可依據回授訊號來使電源供應迴路停止供應電 流至發光迴路。 以上所述僅為舉例性，而非為限制性者。任何未脫離 © 本發明之精神與範疇，而對其進行之等效修改或變更，均 應包含於後附之申請專利範圍中。 【圖式簡單說明】 圖1為一種習知的發光裝置示意圖； 圖2為本發明之發光裝置示意圖；以及 圖3及圖4為本發明之發光裝置不同變化態樣示意 圖。 參 【主要元件符號說明】 I、 2、2a、2b :發光裝置 II、 3 :電源供應迴路 12 :發光二極體 4 :發光迴路 41 :發光單元 411 :發光元件 412 :開關元件 11 201019793 5、5a、5b :檢涓丨J控制迴路 51 :亮度控制單元 511 :比較元件 512 :電荷儲存元件 . 513:感測元件 52 :檢測單元 53 :電源控制單元 ❿ 6 :旁路開關迴路 F :回授訊號 I :電流 0 :開路With a threshold. When the feedback signal 53 compares the feedback signal F element 53 to control the bypass switch circuit 6^, the power supply control supply circuit 3 1 stops supplying power / ^ conduction current I' or turns off the power supply. Unit 52 is a loose circuit. At the time (for example, the detection unit 52 is the number of power supply control units 53), the switching element "2" is turned on, and the feedback is performed by (fu) the power supply control unit 53 can calculate the result of the calculation. If the light-emitting circuit 4) is operated by #, or (side) operation, the light-emitting element 411 such as the power supply (4) unit 53 is turned off or the power is turned off. Interest: 3 bypass switch circuit 6 bypass light guide circuit 4 Road 3, to stop the supply of current I to the detection of the circuit. The illumination device of the present invention first stops the power supply for the deer by the detection control or voltage, or current, * switch state, according to the illumination (four) ^ illumination Therefore, the light-emitting device of (4) can be used, and it can be turned into a small state, and the corresponding device for controlling the power supply of the light-emitting loop can be packaged, unnecessary power loss and waste. In addition, the light " The circuit switching circuit 'by detecting the control circuit can also turn off the power supply circuit of 201019793, and can also control the bypass current of the bypass switch circuit to stop supplying current to the lighting circuit. Moreover, the detection control circuit can further include a The measuring unit and a power control unit, the detecting unit can generate a digital or analog feedback signal, and the power control unit can stop the power supply circuit from supplying the current to the lighting circuit according to the feedback signal. The exemplifications are not intended to be limiting, and any equivalents and modifications of the spirit and scope of the invention are intended to be included in the scope of the appended claims. 1 is a schematic view of a conventional light-emitting device; FIG. 2 is a schematic view of a light-emitting device of the present invention; and FIGS. 3 and 4 are schematic diagrams showing different variations of the light-emitting device of the present invention. 2a, 2b: light-emitting device II, 3: power supply circuit 12: light-emitting diode 4: light-emitting circuit 41: light-emitting unit 411: light-emitting element 412: switching element 11 201019793 5, 5a, 5b: inspection J control circuit 51 : Brightness control unit 511: comparison element 512: charge storage element. 513: sensing element 52: detection unit 53: power supply control unit ❿ 6: bypass switch circuit F: feedback signal I: current 0 : Open road
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