200522794 、發明說明（1) 發明所屬之技術領域』 本創作係為一種驅動電路，特別係指一種發光 電路。 五 [ 體 控制電路 【先前技術】 腺 光一極體（L〇W EmiUing Di〇de，簡稱 LED)是一種 轉換為光能的固體電致發光（EL)器、件，led已經 i=r導體？域新*屈起的研究熱點和經濟生* ·點，其在大 頒不、交通信號燈和儀器儀錶指示等領域得到廣泛；S 著家用電器進入人們的生活。近幾年，半導 =技術取得了突飛猛進的發展，各種高效 +導 c體被廣泛投入應用。#光二極體模組及 :路也疋_示幕的主要部分，是決定屏體質量的、：動 led專用驅動晶片的出現，使得顯示和驅 上模組成為可能。習知的發光二極體驅動電路都H 一體^ 路，路而設置一套驅*，控制·一個發光二：年：每 圖，如「第i圖」所*，控制單元2 0 0通過一個路 =極體則驅動電路圖如「第2圖」所示，發光二二=放光 光二極體B需要兩個驅動電路，分別連接控制I = A與發 制單兀2 0 2。如果存在多個LED則需要多個這樣凡0 1及控 樣會導致整個顯示電路結構相當複雜，驅動^^路，這 f較低。由於驅動電路的連線及接插件端子數目够，用率 整體電路的佔用的空間較大，同時生產卫#及=^ ’使 表w成本也200522794, Description of the invention (1) Technical field to which the invention belongs "This creation is a driving circuit, especially a light-emitting circuit. Five [body control circuit [prior technology] gland light monopole (L0W EmiUing Diode, abbreviated LED) is a solid electroluminescence (EL) device and parts that are converted into light energy, LED has i = r conductor? Yuxin * buckled research hotspots and economic students *, which have been widely used in areas such as big awards, traffic lights, and instrumentation and indication; S is home appliances into people's lives. In recent years, semiconducting technology has achieved rapid development, and various high-efficiency + conducting C-body has been widely used. # 光 二 极 体 模型 和: 路 也 疋 _ The main part of the screen is to determine the quality of the screen body: the emergence of special LED driver chip, which makes it possible to display and drive the module. The conventional light-emitting diode driving circuits are all integrated into one circuit, and a set of drivers * are provided to control one light-emitting diode: year: each picture, as shown in the "i-th picture" *, the control unit 2 0 0 passes one The circuit diagram of the driving circuit is shown in the second figure. The light-emitting diode = the light-emitting diode B requires two driving circuits, which are respectively connected to control I = A and the unit 2 0 2. If there are multiple LEDs, multiple ones such as 0 1 and control samples will cause the structure of the entire display circuit to be quite complicated, driving ^^, which is lower. Because the number of wiring and connector terminals of the drive circuit is sufficient, the space occupied by the overall circuit is large. At the same time, the production cost is also reduced.
200522794 五、發明說明（2) 相應提高。 因此 從而降低 導體領域 【發明内 有鑒 二極體驅 發光二極 所以 電路，用 之發光狀 如何減 生產成 亟待解 容】 於此， 動電路 體之發 為達上 以通過 態，包 少發光二極體電路的分立 本’減化了生產工藝及所 決的問題。 人味 ， 占空間是當前半 號；一第一推挽 體Q1以及第二電 路，與該第一推 第四電晶 於該第一 第二電晶 方向相反 信號的作 電路，與 替導通， 接的一組 根據 電路的個 體Q4串 電晶體 體Q3與 的該發 用下， 該第二 使該發 該發光 本發明 數，從 本創作乃為解 ，主要的目的 光狀態，從而 述目的，本創 一條驅動控制 括··一控制單 (pushpu 1 1) 晶體Q 2串聯組 挽式驅動電路 聯組成；以及 Q1與該第二電 該第四電晶體 光二極體並聯 該第一電晶體 電晶體Q2與該 光二極體電路 二極體發光。 所提之發光二 而減小了分立 決上述問題 而提出一種發光 動電路控制多 節約電路製造成本。 1固 在於以一驅 作提供一種 電路控制複 元’用以發 式驅動電路 成；一第二 並聯，由第 一發光二極 晶體Q2的公 Q 4的公共端 組成。其中 Q1與該第四 第三電晶體 產生電壓降 極體驅動電 元件和連線 發光二極體驅動 數個發光二極體 出驅動控制作& ’其由第一電晶 推挽式驅動電99 二電晶體Q3以及 體電路’其連接 共端R+以及該 R-之間，由兩組 ，在該驅動控制 電晶體Q 4組成的 Q 3組成的電路交 ’從而使正向連 路，減少了驅動 的個數，這不僅200522794 V. Description of invention (2) Improved accordingly. Therefore, the field of conductors is reduced. [In the invention, there is a diode-driven light-emitting diode. Therefore, how to reduce the production of light-emitting diodes needs to be solved.] Here, the development of the movable circuit body is achieved in the passing state, and the package emits less. The discrete version of the diode circuit reduces the production process and the problems it resolves. Humanity, the occupied space is the current half; a first push-pull body Q1 and a second circuit, a circuit that is opposite to the direction of the first push fourth transistor in the first and second transistor, and is turned on, The next set is based on the individual Q4 of the circuit, the transistor body Q3 and the hair, and the second makes the hair shine the present invention. The main purpose of the invention is to understand the light state, so as to describe the purpose. The invention includes a drive control including a control unit (pushpu 1 1), a crystal Q 2 connected in series, and a pull-type driving circuit; and Q1 and the second transistor, the fourth transistor optical diode, and the first transistor in parallel. The crystal Q2 emits light with the photodiode circuit diode. The light-emitting two mentioned above reduces the discreteness and solves the above problems. A light-emitting moving circuit control is proposed to save circuit manufacturing costs. One is to provide a circuit control unit using a driver to drive the circuit; a second parallel circuit consisting of the common terminal of the male Q 4 of the first light emitting diode Q2. Among them, Q1 and the fourth and third transistors generate voltage-dropping diode-driving electric elements and connected light-emitting diodes to drive several light-emitting diodes. The driving control is & 99 The second transistor Q3 and the body circuit 'the connection between the common terminal R + and the R- is composed of two groups, the circuit composed of Q 3 composed of the drive control transistor Q 4', so that the forward connection is reduced, The number of drivers, which not only
200522794 五、發明說明（3) 減化了生產工藝和安裝調試，還有效的避免了各種侵蝕性 氣體對LED引線及插接件的腐蝕，提高了可靠性和可維護 性，大大降低系統的成本。 有關本創作之詳細内容及技術，茲就配合圖式說明如 下： 【實施方式】 ^先由「第3圖」中說明本創作的系統，該圖係本創 ，所提之發光二極體驅動電路圖，如圖所示，第一推挽 、=ushpul υ式驅動電路3〇〇與第二推挽式驅動電路4〇〇之 間連接玄發伞_ ^ ... 一極體電路5 0 0，兩推挽式驅動電路分別與 而栌南丨恭水〇 Υ相連’接受控制單元2 0 0發出的控制信號’從 充^利‘ ^ S極體Α以及發光二極體Β之發光狀態。本創作 光設備開關^ Ϊ ^極體的單向導電之特性，來減少控制發 並接。在不需路’發光二極體A以及發光二極體B為反向 GND的變化來%達要同時亮的情況下，只需通過電源線VDD至 個亮，和兩個—到/斤剩的三種狀態，即二極體A，B只有一 了線路。第—κ極體都不亮，而不需要控制線，從而簡化 ^ 推推r u 電晶體Q1以及Q i PUshpul丨）式驅動電路300，由開關 NPN型電晶體，复串聯組成’其中Q1為PNP型電晶體，Q2為 路4 0 〇與第一推^串聯的公共端為R+。第二推挽式驅動電 及Q4串聯組成，式驅動電路300並聯，由開關電晶體Q3以 聯的公共端為。3為ΡΝΡ型電晶體，Q4為ΝΡΝ型電晶體，串 發光二極體電略5 ’在公共端R+與公共端之間，連接有 0 〇 ’由兩組方向相反的發光二極體Α以及200522794 V. Description of the invention (3) The production process and installation and commissioning are reduced, and the corrosion of LED leads and connectors by various aggressive gases is effectively avoided, the reliability and maintainability are improved, and the cost of the system is greatly reduced. . The detailed content and technology of this creation are described below in conjunction with the drawings: [Embodiment] ^ First, the system of this creation will be described in "Figure 3", which is based on the original creation, and the light-emitting diode driver mentioned The circuit diagram, as shown in the figure, the first push-pull, = ushpul υ drive circuit 300 and the second push-pull drive circuit 400 are connected to the Xuanfa umbrella _ ... a polar circuit 5 0 0 The two push-pull drive circuits are respectively connected to Nannan and Gongshui. The control signals from the control unit 2000 are received from the charging state ^ S pole A and the light emitting diode B. The author created the unidirectional conductivity characteristics of the switch of the optical device ^ Ϊ ^ to reduce the number of parallel connections. In the case where no light-emitting diode A and light-emitting diode B are reversed to GND to achieve simultaneous lighting, it is only necessary to pass the power line VDD to a light, and two-to / catty left The three states, namely diodes A and B, have only one line. The first-κ pole body is not bright, and no control line is required, thereby simplifying ^ push and push ru transistor Q1 and Q i PUshpul 丨) type driving circuit 300, which is composed of a switch NPN transistor and multiple series connected 'where Q1 is PNP Type transistor, Q2 is the common terminal of the circuit 400 and the first pusher R +. The second push-pull drive circuit and Q4 are connected in series. The drive circuit 300 is connected in parallel, and the switching transistor Q3 is connected to the common terminal. 3 is a PN-type transistor, Q4 is an PN-type transistor, and a string of light-emitting diodes is provided. 5 ′ Between the common terminal R + and the common terminal, 0 ’is connected by two sets of light-emitting diodes A in opposite directions and
200522794 五、發明說明（4) 發光二極體B並聯組成，電路中萝 -^ t . R 〇 ^ , # 0" " R' 當控制單元2 0 0發出的控制作 儿又 平，電晶體㈣通，_止以 電晶體Q3導通，Q4截止，因此電流由雨 ^低電平， 路流向Q2，發光二極體Β中有正向電汽通^ '因’二極體電 極體Β發光，Α截止。 "L ^因此發光二 同理當LED — OUT —R+為低電平時 止，此™UT}為高電平，電%上 的電位高於公共端一，發光 在電路中開關電晶體_ Q4U _ 與㈧具有相同的開關狀態’當Q1與Q4導通時，二3J夺 截止’相反當剩3導通時，__截止， 據該驅動控制信號交替導通，在該發光二極體電路產生電 壓降，從而$正向連接的發光二極體發光。 請參見「第4圖」，該圖係本創作實施例之電路圖， 如圖所示’包括有四推挽式驅動電路：以，Q5l4， R5 2 0組成第一推挽式驅動電路由控制信號LED一〇ut_r+控 制；Q2’ Q515’ R5 2 3，R5 24組成第二推挽式驅動電路由控 制信號 LED —OUT —R-控制；q3，q516，r5 2 5，R52& 成第三 推挽式驅動電路由控制信號LED_0UT —L+控制；Q4，Q517， R 5 2 9 ’ R 5 2 6組成第四推挽式驅動電路由控制信號 LED_0UT_L-控制。圖中還包括有兩組發光二極體D518，200522794 V. Description of the invention (4) The light-emitting diode B is formed in parallel, and the circuit is-^ t. R 〇 ^, # 0 " " R 'When the control unit 2 0 0 controls the level, the transistor Turn on, _ stop with transistor Q3 on and Q4 off, so the current flows from rain ^ low level to Q2, and there is a forward electric current in the light-emitting diode B ^ 'cause' the diode electrode body B emits light , A deadline. " L ^ Therefore, the same reason as when the LED — OUT — R + is low level, this ™ UT} is high level, the potential on the electrical% is higher than the common one, and the light emitting diode is turned on and off in the circuit _ Q4U _ It has the same switching state as ㈧ when Q1 and Q4 are turned on, and 2J is turned off. Conversely, when 3 is turned on, __ is turned off, and the driving control signal is turned on alternately, and a voltage drop occurs in the light-emitting diode circuit. Thus, the forward-connected light-emitting diode emits light. Please refer to "Figure 4", which is a circuit diagram of this creative embodiment. As shown in the figure, it includes a four push-pull drive circuit: Q5l4, R5 2 0 constitute the first push-pull drive circuit. LED one 〇ut_r + control; Q2 'Q515' R5 2 3, R5 24 constitutes a second push-pull drive circuit controlled by the control signal LED —OUT —R-; q3, q516, r5 2 5, R52 & into a third push-pull The driving circuit is controlled by the control signal LED_0UT —L +; Q4, Q517, R 5 2 9 'R 5 2 6 constitutes a fourth push-pull driving circuit controlled by the control signal LED_0UT_L-. The figure also includes two sets of light-emitting diodes D518,
第9頁 200522794 五、發明說明（5) D515，D520，D521為發光二極體電路510，由第一，第二 推挽式驅動電路驅動；D5 2 2，D516，D517，D519為發光 二極體電路5 2 0， 由第三，第四推挽式驅動電路驅 動。R5 3 3，R5 3 2為限流電阻，VR501用來調整LED的亮度。 當LED一0UT_R+高電平LED一0UT_R-低電平時，電流方向 為由R-到R+，發光二極體電路51〇中的上面一半LED發光， 當LED一OUT一R+低電平LED一OUT一R-高電平時，電流方向為由 R+到R-發光二極體電路51〇的下面一半LED發光。發光二極 體電路5 2 0與發光二極體電& 51〇的工作方法相同。從而使 相反方向的兩組發光二極體交替導通。Page 9 200522794 V. Description of the invention (5) D515, D520, D521 are light-emitting diode circuits 510, which are driven by the first and second push-pull drive circuits; D5 2 2, D516, D517, and D519 are light-emitting diodes The body circuit 5 2 0 is driven by the third and fourth push-pull driving circuits. R5 3 3 and R5 3 2 are current limiting resistors. VR501 is used to adjust the brightness of the LED. When LED_OUT_R + high level LED_0UT_R- low level, the current direction is from R- to R +, the upper half of the LED in the light-emitting diode circuit 51 is illuminated. When LED_OUT_R + low level LED_OUT At a high level of R-, the current direction is from R + to the lower half of the LED of the light-emitting diode circuit 51o. The light-emitting diode circuit 520 operates in the same way as the light-emitting diode circuit & Thereby, the two groups of light emitting diodes in opposite directions are turned on alternately.
雖然本創作以前述之 p 用以限定本倉"乍，故住f ί “路然其並非 之精神和i:以:t此ΐ藝者，在不脫離本創作 之保4乾圍虽視後附之申請專利範圍所界定者為准。Although this creation uses the aforementioned p to define the main warehouse " Cha, so live f ί “Lu Ranqi is not the spirit and i: to: t this puppet artist, in order not to depart from the guarantee of this creation The appended application patents shall prevail.
第10頁 200522794 圖式簡單說明 第1圖係習知控制電路中控制一個發光二極體之電路圖； 第2圖係習知控制電路中控制多個發光二極體之電路圖； 第3圖係本創作所提之發光二極體驅動電路之電路圖；及 第4圖係本創作實施例之電路圖。 【圖式符號說明】 100 發光二極體 2 0 0 控制單元 201 控制單元 2 0 2 控制單元 3 0 0 第一推挽式驅動電路 40 0 第二推挽式驅動電路 5 0 0 發光二極體電路 VDD 電源 GND 接地端 Q1 開關電晶體 Q2 開關電晶體 Q3 開關電晶體 Q4 開關電晶體 R 限流電阻 R0 可變電阻 R + 公共端 R - 公共端 A 發光二極體 B 發光二極體Page 10 200522794 Brief description of the diagram. Figure 1 is a circuit diagram for controlling one light-emitting diode in a conventional control circuit. Figure 2 is a circuit diagram for controlling multiple light-emitting diodes in a conventional control circuit. The circuit diagram of the light-emitting diode driving circuit mentioned in the creation; and FIG. 4 is the circuit diagram of the embodiment of the creation. [Illustration of symbolic symbols] 100 light-emitting diode 2 0 0 control unit 201 control unit 2 0 2 control unit 3 0 0 first push-pull driving circuit 40 0 second push-pull driving circuit 5 0 0 light-emitting diode Circuit VDD Power GND Ground Q1 Switch transistor Q2 Switch transistor Q3 Switch transistor Q4 Switch transistor R Current-limiting resistor R0 Variable resistor R + Common terminal R-Common terminal A Light-emitting diode B Light-emitting diode
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200522794 A 圖式簡單說明 510 發光二極體電路 5 2 0 發光二極體電路 第12頁 _1_200522794 A Schematic description 510 LED circuit 5 2 0 LED circuit Page 12 _1_