TW201105175A - Driving system of light emitting diode and driving apparatus thereof - Google Patents

Abstract

A driving system of a light emitting diode and a driving apparatus thereof are provided. A return unit of the driving apparatus is outputted a detection signal produced by a detection unit or a data stored by a data storage unit via a latch signal input terminal or a enabling signal input terminal according to a module selection signal. Thus, the detection signal or the data outputted from the driving apparatus can be received by a system controller of the driving system through the latch signal input terminal or the enabling signal input terminal so as to reduce the cost and the complexity of circuit layout.

Description

201105175 J iouiwi.dOG/e VI. Description of the Invention: [Technical Field of the Invention] The present invention relates to a driving system, and in particular to an output detection via a latch signal input or an enable signal input. A driving system for a light-emitting diode of a signal or data and a body driving device thereof. [Prior Art] Light Emitting Diode (LED) is small, power-saving and durable, and as the process matures, the price drops. Recently, products using light-emitting diodes as light sources are becoming more and more popular. In addition, the light-emitting diode has a low operating voltage (only 1.5-3V), can actively emit light and has a certain brightness, and the brightness can be adjusted by voltage or current, and has the characteristics of impact resistance, vibration resistance and long life (100,000 hours). Light-emitting diodes are widely used in a variety of terminal equipment, from automotive headlights, traffic lights, text displays, billboards and large-screen video displays, to general and architectural lighting and LCD backlighting. In addition to the basic functions of the LEDs, in order to simplify the maintenance of the overall system, the detection circuit is also used to detect the state of the driving device and to detect the detection results. The control circuit of the system is used to prompt the user or perform the process of dividing = when the line is turned. Figure 1 is a block diagram of a system of a conventional drive system. Please ί ', ,, Figure 1 Α 'Drive system 1 〇〇 includes the system controller m and the drive device 〇 1 120 4-1, where DIN-1 to DIN_4 are the data input signals of the drive device 1 120-4, respectively. ) 〇—!~〇〇” is the data output number of the drive unit 201105175 3I18Utwt.doc/e set 120-1~120-4. The system controller no provides the drive data as the data input signal DIN_1 of the drive unit 120-1. The driving device 120-1 outputs the data input signal din-1 and its detection signal as its data output signal DO_l. The data output signal DO-1 of the driving device 12〇_1 is used as the data input signal DIN-1 of the driving device 12〇j. And so on, the driving data provided by the system controller 11 can be sequentially transmitted to the driving device 120-1~120-4, and the driving device 120-1~120-4 cooperates with the latching signal LAT and the enabling signal EN. The driver data can be displayed correctly. Similarly, the detected data outputted by the driving device 120-1 is also transmitted to the n-toucher 11 via the driving device UG-2~12〇_4. The side-loaded sample of the drive unit 12-2 (4) is transmitted to the system controller 11 via the drive sets 120_3 and 120-4. In other words, the {test signal for driving the clothes 12G_1~12G_4 must pass through the driving device 120-4 to be transmitted to the system controller 11〇, and cannot be transmitted immediately. Therefore, when the drive device (4) may experience the time after the data transmission, the system control Yi 10 will detect the failure of the drive device. It is a system block diagram of the conventional light-emitting diode. Referring to FIG. 1A and FIG. 1B, the driving device 12〇& includes a shift regiSter 121, an image data register regis(4)m, a drive enable circuit 123, a drive circuit 124, and a drive current setting circuit 125. The drive split detection circuit 126, the extension register (7), and the mode conversion circuit 12 8 are provided. Shift register (Shift mail (10) cut the received sequence signal CO and the input number _, where the data input signal Cong 201105175 J.AUVM-»T l..vl〇C/6 is the drive data provided by the system controller 110 The image data or the state of the driving device can be the image data or the state of the driving device. The shift register 121 captures the lean input signal D IN ' with the timing signal CJQ and rotates the extracted data input signal DIN to the image poor register 122. The shift register 121 outputs a data round. The signal DO is used to transmit the received image data or the driving device status to the next driving device or the external device. The image data register 122 determines whether to store according to the latch signal LAT. The data from the shift register 121. The drive enable circuit 123 receives the turn-out = energy signal EN, and controls whether the data stored in the image data temporarily stored as 122 is transmitted to the drive circuit 124 according to the output enable signal EN. =4According to the scene data temporary storage|| 120 stored data output multiple drive private "丨L to the corresponding light-emitting diode (not shown) to drive the LED light (not shown) The driving current setting circuit 125 is coupled to the driving The circuit 124 is configured to set the magnitude of the driving current output by the driving circuit 124. In the non-display mode, the extension register 127 can store the state of the driving device detected by the driving device detecting circuit 126, and the sound is temporarily suppressed 127 miles. _ moving device state f material is transferred to shift 2 22 = trigger signal is generated by mode conversion circuit 128. Mode receives check lock signal LAT and output enable signal _, and ς豕, lock signal LAT and output enable signal EN The trigger corresponding to the output is in the period of - during the period, the first letter of the lock lock letter AT first appears, and the second pulse occurs, the second pulse, the drive device 120 to the non-display mode ί; otherwise, if (4) The enable signal _,; after the second pulse occurs after the pulse, the driving device 12 is switched to the display mode by the 201105175 Miouwr.doc/e non-display mode. According to the above, since the conventional display system has to pass the last drive Talent; == Descendant, so that the system control can not immediately know that each driver can be delayed in the processing of the drive device. Therefore, the evil, put, can only detect the state of the drive device, and, heart ==The test results need to be stored in the extended register. The signal in the non-device heart triggers the 'extension register' to store it: the second traditional Nafa requires an additional extension register: the second === It is necessary to switch to the non-display mode, which causes difficulty in the material. [Invention] The present invention provides an input terminal or an enable signal input terminal of a light-emitting diode, and each drive is set to ==, and the data is transmitted back to the system. The invention can provide a driving device for the light-emitting diode, and the data stored in the leaflet is sent through the pickup signal input terminal or the magnetic input & output to enable the debt measurement signal controller to improve the state. The immediacy of the return.姆〕贝寸十口傅至糸 遂ΐ 遂ΐ 月 月 月 从 : : : 遂ΐ 遂ΐ 遂ΐ 发光 发光 发光 发光 发光 发光 发光 发光 发光 发光 发光 发光 发光 发光 发光 发光 发光 发光 发光 发光 发光 发光 发光 发光 发光 发光 发光 发光 发光 发光 发光 发光 发光 发光Data transfer single money "material input letter 201105175 wvtvvj.doc / c, and r, used to take data input signals according to the timing signal... k sub-sequence storage data input signal, its number includes At least one flower-distortion 5 "4 one,, h inch inch + input k rough value * one material - reduce the H pure age unit to reduce capital.,," early, to store the data retrieved by the data transfer unit The round letter ihrw# ^ 4 stores the early sputum, which is used to output the data operation result according to the I material input signal stored in the data storage. The illuminating two-mask driving unit is input to the (four) computing unit, and the result of the bribe riding operation is generated to the y-drive 彳5 to drive at least one illuminating diode. The detecting unit is coupled to the LED driving unit to detect the state of the LED and the LED driving unit and generate a full signal according to the state. The return cover unit consumes the detection unit, the data storage unit and the latch signal input terminal. The loopback unit determines whether to transmit the latch signal to the data storage unit according to the 选择 type selection signal, or rotates the detection signal through the latch signal input end. In an embodiment of the invention, the backhaul unit determines whether to output the data input signal stored in the data storage unit via the latch signal input terminal according to the mode selection number. The invention further provides a driving system for a light emitting diode comprising a plurality of driving devices and a system controller. The driving devices are used to drive the light emitting diodes, and the driving devices respectively receive a data input signal. Each of the driving devices has a latching signal input end, and each of the driving devices switches to a data wheeling mode according to the mode selection signal to rotate the detecting signal or the stored data input signal from the latching signal input end. The system controller is coupled to the latching signal wheel of all of the driving devices for receiving the data input signal of each of the driving devices. 201105175

Jnsutwr.doc/e In the present invention - I & material transfer unit, data ^, in the ': ^ each - drive I set including the capital drive unit _ single =: 兀, calculation unit, illuminating dinuclear signal and Timing Qing = Chuanzao: The tribute transfer unit receives the data and samples it in turn and follows the sequence of the second Jingyi machine.

The signal includes at least the Bellows man signal 'where the data is wheeled into the data billion' to drive the data. The data age unit is connected to the signal. The data is stored in the data transfer unit: the unit is: 70 is coupled to the data storage unit, and is used to input the data operation result according to the data input signal. The ===moving unit_data computing unit is configured to drive the light emitting diode according to the data operation i. Detection unit == The input unit is used to detect the status of the LED and the LED (earth) and generate the _ signal accordingly. Back to the unit secret detection between the early, (four) storage unit and the plug-in number between the input end. In the drive device = according to the mode of the Qianpu to data wheel manipulator, the return unit transmits the check number to the resource storage unit. When the _device (4) mode selection signal is switched to the data output mode, the return unit rotates the detection signal via the latch signal input terminal. In the present invention, the above-mentioned device switches to the data output mode according to the mode selection, and outputs the data input signal stored by each drive I from the latch signal input terminal, and the system controller further The stored data input signals of each of the driving devices are received through the latching signal input terminals of the respective driving devices. In an embodiment of the present invention, each of the driving devices includes: 201105175 j 1 iouL\vi.d〇c/e material transfer unit 1 material storage unit, data operation unit, light emitting diode, moving, = Measure unit to unit. The data transfer unit receives the data input and the timing money, and uses the green data transfer money to carry out the data on the successor signal and store the data input signals sequentially, wherein the data input 1:=includes 5 less-light-emitting diodes Body drive (10). The data storage unit is configured to store the data transmitted by the data transfer unit and is coupled to the data storage unit for inputting the data according to the data stored in the L sub-sheet. Output data operation results. The illuminating device/unit _ connected data operation unit ’ is configured to couple at least a driving signal according to the data to drive the light emitting diode. Detection unit. The I-light body driving unit is connected to detect the shape of the light-emitting diode and the light-emitting diode and generate a detection signal accordingly. The loopback unit is coupled between the early meta data storage unit and the latch signal input terminal. When the drive unit mode & select signal switches to the data input mode, the return unit transmits the pin to the data storage unit. When the driving device selects the signal according to the mode=knife to the data output mode, the returning unit transmits the signal through the detection signal of the latching signal input terminal or the capital machine input signal stored by the bribe storage unit. In an embodiment of the present invention, the backhaul unit includes a switch, the second switch has a first end and a plurality of second ends, and the first end is coupled to the latch signal input=, and the second ends are respectively coupled to the detective Measurement unit, data storage unit. First, the one of the second ends is coupled according to the mode selection signal. . . In an embodiment of the invention, the driving device further includes a control signal for generating a signal according to a data wheel, a timing signal or an enable signal. 201105175 ji shaved wfdoc/e material 俜 month again - mention: kind of illuminating-polar body drive device' which includes the transfer of funds 7 〇, beetle storage unit, #料 unit, LED driving early system _ Pass the unit. The capital (4) delivery unit reduces the data input ^ number and the timing signal for sampling the data input signal according to the timing signal and sequentially storing the captured data rounding signal, wherein the data rounding nickname includes a reduction-lighting two Extreme _ saki. #_存单元轻接 The data transfer unit is used to store the data enrolled in the data transfer unit. The data transfer unit is coupled to the data storage unit for rotating the data operation result according to the data input signal stored in the data storage unit. The light emitting diode driving unit is coupled to the data computing unit for generating at least one driving signal to drive the at least one light emitting diode according to the data operation result. The detecting unit is coupled to the LED driving unit to detect the LED and the light emitting diode

The state of the polar drive unit and the detection signal is generated accordingly. The loopback unit is coupled between the detecting unit, the data computing unit and the enable signal input end. Back to the leaflet, the enable signal is transmitted to the data operation unit or the detection signal is output via the enable signal input unit according to the mode selection signal. In an embodiment of the present invention, the backhaul unit is further coupled to the data storage unit, and the backhaul unit determines, according to the mode selection signal, whether the data storage unit is stored by the input terminal of the month data of. The present invention further provides a driving system for a light-emitting diode, which first includes a plurality of driving devices and a system controller. The body-mounted devices are used for the %-light-emitting diodes, and each of the driving devices receives the 资§. The potential one driving device respectively has an enabling signal wheeling end, and each driving device that emits one pole is switched to the data output mode according to the mode selection signal to enable the wheeling end 11 201105175 丨uvfc"i."oc/e Wide use number. The system control is to 'lightly connect the enable inputs of all the drive units' to receive the detection signals of each drive unit. In the case of the above-mentioned light-emitting diode, the driving charge transfer unit, the data storage unit, and the data computing unit 'delivered a single unit f, a detecting unit and a return unit. Delivery unit

Input 2: Qiao and timing money, use the recorded timing signal to sample the data bean φ times and store the captured data input signals in sequence. The two-way two-in-one tiger includes at least one LED driving data. . Data storage, yuan *1: transfer (four) unit, (4) storage information _ delivery unit to obtain information input § § number. The data operation list is connected to the training storage unit, and the data transmission result is output according to the data input signal stored in the data storage unit. The light-emitting unit driving unit is connected to the data operation unit for generating at least one driving signal to drive the light-emitting diode according to the data operation result. The detecting unit is coupled to the LED driving unit to detect the state of the LED and the LED driving unit and generate a detection signal accordingly. The return unit is coupled between the detecting unit, the data storage unit, the data computing unit and the enabling signal wheel. When the driving device switches to the data input chess day according to the mode selection signal, the returning unit transmits the enabling signal to the data computing unit. When the pulsation device switches to the data output mode according to the mode selection signal, the homing device transmits the 彳贞 作 经由 via the enable letter 5

In an embodiment of the present invention, the backhaul unit includes a switch, the switch has a first end and a plurality of second ends, wherein the first end is coupled to the signal input end, and the second ends are respectively decoupled Measurement unit and data operation unit. The first end is coupled to one of the second ends according to the mode selection signal. 12 201105175 j ucuiwi.doc/e In the present invention, the embodiment +, the above-mentioned driving splitting is switched to the data input nickname from the enable signal when the switching signal is switched to the ^== mode, and the system controls The device further receives the information stored in each of the driving signals input terminals of the present invention. In the embodiment, the above-mentioned light-emitting diodes include the tributary transfer, the poor material storage. Unit, data operation "_, =

The light diode driving unit, the detecting unit and the returning unit receive the data and receive the gift; the + transmitting unit blows the person to purchase the memory, and uses the timing=signal to sample and sequentially store the The mark, j poor input signal includes at least - light-emitting diode drive data. ^料===The data transfer unit is used to store the data collected by the data transfer unit - "material. The data operation unit is nested in the # material storage unit, = according to the data storage unit (10) input signal output The result of the data transmission is as follows: the light-emitting diode drive unit is coupled to the data operation unit for generating at least a turn signal according to the result of the data calculation, and the light-emitting diode is coupled to the light-emitting diode. The unit detects the state of the light-emitting diode and the light-emitting diode driving unit and generates a detection signal accordingly. The return signal is connected between the detecting unit, the data storage unit, the data computing unit and the enable signal input terminal. When the driving device switches to the data rounding mode according to the mode selection signal, the returning unit transmits the enabling signal to the data operation sheet 70. When the driving device switches to the data output mode according to the mode selection signal, the returning unit transmits the signal through the latching signal. The input terminal outputs a detection signal or a data wheeling signal stored by the sinister unit. 13 201105175 J 1 LOW1WJL.d〇C/e In an embodiment of the invention, the backhaul unit includes The switch has a first end and a plurality of second ends, wherein the first end is coupled to the enable signal input end, and the second end is coupled to the detection unit, the data storage unit and the data operation unit respectively. The mode selection signal is coupled to one of the second ends. In an embodiment of the invention, the driving device further includes a control unit for generating a mode selection signal according to the data input signal, the timing signal or the latch signal. In an embodiment of the invention, the driving device further includes a control stomach unit for generating a mode selection signal according to the data input signal and the timing signal. In an embodiment of the invention, the detecting signal includes multiple detections. As a result of the measurement, the control unit adjusts the mode selection signal according to the data input signal, so that the returning unit selectively outputs one of the detection results. In one embodiment of the invention, the detection signal includes the driving device state and the light emitting diode. Body state. This drive state includes short circuit of drive device, open circuit of drive device, quiescent current of drive device, drive device Current, drive device overcurrent, drive overvoltage, drive low voltage, drive device failure, drive device temperature or drive leakage current. The LED status includes short circuit of the LED, open circuit of the LED Or an aging degree of the illuminating diode. In an embodiment of the invention, the data storage unit comprises a plurality of tributary storage circuits. In an embodiment of the invention, the driving signal is a driving power 14 201105175 3] l8Utwf.doc/e voltage, drive current, digital logic signal or switch signal. Including (4) - implementation of the above-mentioned light-emitting diode drive unit ^ Μ diode drive circuit and drive signal setting circuit connected to (four) Yunke Yuan, according to the riding material, the tiger is driven: driving the secret light diode. The driving signal setting circuit ==:==, adjusting the light emitting diode driving circuit. In the embodiment of the present invention, the driving two reference voltage generating circuit The digital analog converter and the piezoelectric device are connected to the data transfer unit to receive the command of the resource. The current conversion circuit is a raw circuit and a digital conversion circuit for adjusting the driving signal outputted by the second pole of the material. ..., the above-mentioned material operation unit includes the number 4, and the _ wheel 4_ is connected to the light-emitting diode driving single = Α In the X embodiment of the present, the above-mentioned driving device is more = signal processing Wei Wei = = Round the signal and output _ or invert (4) input 贱. The music - the output of the face-to-face transmission unit, the second 15 of the multi-guards 201105175 ji louiwi.doc / e the output of the input signal processing circuit, the output of the multiplexer is lightly connected to the data wheel Out. (4) Based on the above-mentioned display system of the present invention and the driving of the light-emitting diode thereof, the unit of the driving device is measured by the money of the driving device. Can signal input and read. The secret (4) n-reducing the health of the input or the enable signal input to receive the debt measurement signals of each drive farm and its stored information. The immediacy of borrowing' and using the necessary lines to return poor materials to reduce wiring complexity and cost. The above described features and advantages of the present invention will become more apparent from the description of the appended claims. [Embodiment] The first embodiment is a circuit diagram of a drive system according to a first embodiment of the present invention. Referring to Figure 2A, the drive system 200 includes a system controller 21A and a drive device; 220"~22〇-n' where n is a positive integer. In this case, the driving system 200 is assumed to be used to drive the light-emitting diodes. Since the display system of the light-emitting diodes usually has a plurality of light-emitting diodes, the driving I sets are arranged in series to simultaneously A plurality of light-emitting diodes are driven, that is, the driving devices 220" to 22" are serially reduced to form a series of driving devices to respectively drive the light-emitting diodes thereof. Rehearsing H to receive the light-emitting diode drive: #料的资人钱疆-i, and according to the time series # #u sequentially (four) material wheel human signal surface -i as its data rotation signal DO-1 . The drive set 22G-2 will turn the signal out of the signal D〇" 16 201105175 31 L«Utwf.doc/e as its data input signal DIN_2, and output the data input signal DIN-2 as its data output signal D〇_2 According to this, the driving data can be sequentially transmitted to the driving devices 220_2 to 220-n. In other words, the driving device of the preceding stage transmits the lean input signal DIN to the driving device of the next stage, so that the data output signal DO of the preceding stage can be regarded as the data input signal DIN of the subsequent stage driving circuit. When the driving devices 220-1~220_n are in the data input mode, the driving of the agricultural device 2200-1~220-n is determined according to the received data input signals DIN-1~DIN_n, the latching signal LAT and the enabling signal ΕΝ. Whether the driving light-emitting diode is driven, wherein the driving device is coupled to the latching signal line 23 through its latching signal input end to receive the latching signal lAT transmitted by the line 230, and the driving device 22 (L1~) 22〇^n consumes the enable signal line 240 through its sign input terminal to receive the enable signal EN transmitted by the enable signal line 240. Moreover, the driving device 22〇_2~22〇_η will be internally The state of the evil and the light-emitting diodes is fine-tuned and the detection signal is generated accordingly. When the driving mode 22G-2~220jl is switched to the data transmission domain type in the domain mode selection signal, the generated fairy code or The data stored in the storage office is outputted to the latch signal line 230 through the (four) wheel input terminal, and is transmitted to the system controller 210 by the latch signal line 23〇.". System Control Benefit 210 Transfer Drive The device 220-1~22〇n is in the driving device 220-1~220_n In the material input mode, the data input signal DINj, the latch signal latX and the enable signal EN with the LED driving data are output to the driving device, and the driving device 17 id 〇 c / e 201105175 is latched In the 2^^=_ mode, the system controller 2i will pass the detection signal of the drive device ~22G-η through the bite basin = set 3, _ wheel signal surface." - Times! When switching to the data output mode, it can immediately transmit the detection 22〇^彳11G' ^There must be the status detection, 卩丨, and reduce the line design through the drive device's vertical transmission device 220J~220-η闬fJB is the circuit of the driving device according to the first embodiment of the present invention. FIG. 2A and FIG. 2B, the driving device 22 includes a data transfer unit storage unit 222, a data operation unit 223, and a light emitting diode. The control unit 225, the detecting unit 226, and the back leafless material storage unit 222 are coupled between the data transfer unit 221 and the data transfer unit early element 223. The data operation unit 223 is coupled to the light emitting unit 223. The polar body drives the fish element 240. The detecting unit 226 is lightly connected to The optical diode driving unit 224 is connected between the two returning units 227. The returning unit 227 is coupled to the data transfer unit and the material storage unit 222. The control unit 225 is coupled to the data transfer unit, the data storage unit 222, and the data operation unit 223. The light-emitting diode driving unit 70 224, the detecting unit 226 and the returning unit 227. The driving device 220 includes a plurality of functional modes, and the function mode can be switched by the mode selection signal SEL, and the mode selection signal SEL is The control unit 225 generates a combination of the data input signal DIN and the timing signal CKI. The data transfer unit 221, the data storage unit=2, the feed operation unit 223, the light-emitting diode drive unit 224, the detection switch 226, and the return unit 227 adjust their work according to the mode selection signal SEL. 201105175 Jii^utwt.doc /e is the parameter corresponding to the mode. The function mode of the driving circuit 220 includes gray number setting, lighting time control of the LED, Dot Correction, driving output signal size control, enable signal control, and image update reference frequency setting ( Graysca!e Ci〇ck), drive signal reverse setting, drive status side, display component status detection, drive sleep setting, drive current temperature detection drive leakage current detection or operation sleep setting. In other words, the so-called functional mode can be regarded as the operating mode of the driving circuit 220 or the corresponding circuit parameter value. The detecting unit 226 is used for the internal state of the gamma driving device 22 such as temperature, current, circuit function shirt failure, whether the circuit is two-way, = 疋 open circuit, etc., and the state of the light-emitting diode, for example Short circuit, open circuit, degree of aging, etc., and accordingly generate a price measurement signal, wherein

Current, dynamic current, overcurrent, and leakage current, the above-mentioned electricity; the voltage includes excessive or too low voltage. In the debt measurement unit m, the diligent components required in the road can be added to perform the circuit 彳H number SEL adjustment-mode_-=selection===two-action device 220 will respond to the signal detection signal transmission ^^ According to the mode selection driving device 220, the Uu S EL is also switched to the material output mode, and the data error 19 201105175 :> jU6ULwi.doc/e unit 222 outputs the stored data to the return unit 227. Moreover, the backhaul unit 227 outputs the data of the data storage unit 222 to the latch signal line 230' through the latch signal input terminal 220a to transfer the data stored in the data storage unit 222 to the system controller 210. It is worth mentioning that in some embodiments, the mode selection signal SEL may be generated by the system controller 210 or input by the external ' and the system controller 210 may according to the data rounding signal DIN, the timing signal CKI, the latching signal LAT And one of the enable signals εν or any combination of the above to generate the mode selection signal SEL. Similarly, the control unit 225 can also generate the mode selection signal SEL based on one of the data wheeling signal DIN, the timing signal CKI, the latching signal LAT, and the enable signal EN, or any combination thereof. In addition, when it is not necessary to output the detection signal or data to the system controller 210, the driving device 220 switches to the data input mode according to the mode selection signal SEL, and the returning unit 227 receives the plug through the latching signal input terminal 220a. The lock signal LAT is transmitted to the data storage unit 222. In the driving device 220, the data transfer unit 221 samples the data input signal DIN based on the timing signal CKI and temporarily stores the extracted data input signal, and the data transfer unit 221 also transmits the extracted data input signal DIN. In general, the data transfer unit 21 includes a plurality of registers (not shown) for temporarily storing the captured data input signals and outputting them to the data storage unit 222, wherein the temporary registers can be at least A combination of a positive and negative device. The data input signal DIN including the driving data of the light-emitting diode is transmitted in accordance with the timing of the timing signal CKI (the driving data of the light-emitting diode). In this case, the driving circuit 220 is assumed to be used to drive the display device formed by the illumination 20 201105175 ju^unvf-doc/e, and the driving data thereof may be gray scale data. The poor storage unit 222 blocks the data according to the latch signal LAT. The materials and materials temporarily stored in the early 221 are transmitted to the data file, and the data storage unit milk can be stored in a plurality of registers. Fine unit - two; coffee left early; material input signal DIN and enable letter mirror 雕 枓 枓 & & & & & & & & & & 口 口 口 口 口 口 口 口 口 口 口 口 口 口 口 口 口 口 口 口 口 口 口 口The bamboo shooter-drive i:r 224 outputs a corresponding drive letter _ according to the data operation result to drive a plurality of light-emitting diodes or display devices. = == The same transmission channel output to the illumination: the polar body, the = channel corresponds to the different pins on the driver chip. The capital of the acquisition = 凡 223 can also be received after the data transfer unit 221 is digested to = signal Cong, after the completion of the operation, the data operation is output to the optical diode circuit 224, but can not be controlled Enable 'can save the generation and transmission of the enable signal. 'u triggers the delivery order 7" The register in 21° can be a single edge can be ΐί , the scratchpad can be in the data transfer unit 210 / ancient, 隹 trigger register, 'used when the timing signal CKI is low The level shifting edge 1 captures and temporarily stores the data input signal to trigger the temporary storage =, the register of the poor material 1 delivery 210 can be the negative edge X曰5' for when the timing signal CKI is from the high level When the transition state is low level 21 201105175 j 1 i outwi.doc/e (ie, falling edge), the data input signal is captured and temporarily stored. In addition, the register in the data transfer unit 210 can also be a dual-edge trigger register for extracting and temporarily storing the data input signal DIN on the rising edge and the falling edge of the timing signal CKI. In some embodiments, The backhaul unit 227 can also determine the output detection signal according to the data input signal DIN captured by the data transmission unit 221 - the detection result (that is, the partial data in the detection signal, & The data storage circuit of the data storage unit, the data transfer unit and the detection unit are connected to the backhaul unit according to the first embodiment of the present invention. Referring to FIG. 2A and FIG. 2C, the return unit 227 includes a switch sw' switch sw having a first end SWA and a second end SWB_丨~SWB-2χ+1, where χ is a positive integer and depends on The number of data storage circuits in the data transfer unit 221. The first-end SWA is lightly connected to the k-number line 230 through the latching signal wheel-in terminal. The second ends SWB-1 to SWB-X are coupled to the detecting unit to receive respectively. The result of the debt measurement, the result of the debt test (part of the remaining signal) can be Detection unit 226 debt test '

Obtained by the Tao. The second end SWB X+1~SWB works to receive the data stored in the data storage unit 222, respectively. The second end SWB- is also coupled to the coupling "storage: storage 222 for use in the data input mode, when the first end sw = the signal LAT" to transmit the latch signal and even the data storage single lock diagram 2D according to the present A schematic diagram of the driving shape of the first embodiment of the invention. Please refer to the driving wave port of the first embodiment of the invention, and the driving wave of the moon is shown in Fig. 2, Fig. 2Β to Fig. 2D. In the present embodiment, the data transmission 22 201105175 ju cuiwf.doc/e early兀221 assumes that it consists of eight registers, and the data storage unit π] has eight data storage circuits, and the LED driver 224 also has eight transmission channels. That is, there are 8 pins. 'For convenience of explanation, the 8 pins are named as the first pin, the second pin, the third pin, the fourth pin, the fifth pin, the sixth pin, The seventh pin position and the eighth pin position, wherein the positions of the legs on the driving chip can be changed according to the t of the general knowledge in the field. _ cell shifting: measuring the state of the foot: the eighth leg After that, the Na. fruit of these feet is not transported to the second end of the return unit 227, and the leakage is less. 8 Cong 8. β ±T1 The control unit 225 generates a mode selection signal SEL according to the data input signal 丽=(4) CKI to confuse the driving device 22 into: the transmission type. In the case of the timing signal CKI, the two input signals generate two pulses'. Corresponding mode selection is generated, and the tiger S EL (for example, the mode selection signal s EL having a high level) will drive the domain riding mode, and the cap lion signal sel circuit operates, and, in the data return, : (4) ^ yuan 221 can be converted according to the mode selection signal = in the drive to set 22. When switching the riding output mode, the information retrieved by the capital ", child early 221 will be changed to, (8) (9) (8) (8)". After the drive device 220 switches to the data transfer mode, the data transfer single read (4) logic, (in this case, the word for the example) 7 tiger DIN 'and the poor material transfer unit 221 will be based on the time series letter 2 = Depends on the group of singers, and sighs the return of the unit π in the order of the side exit pin. In other words, when the pulse ρι is formed, the capital 23 201105175 L· X rr jl. doc/e material transfer unit 221 The register in the middle will be triggered by the positive edge of the pulse PI. The data captured by the data transfer unit 221 is "0000 0001". At this time, the first end SWA of the switch SW is coupled to the second end SWB_1, so that the detection result of the first pin passes through the latch signal input end. 220a is output to the latch signal line 230. When the pulse P2 is formed, the register in the data transfer unit 221 is also triggered by the positive edge of the pulse P2, so that the data captured by the data transfer unit 221 is "0000 0010". At this time, the first end SWA of the switch SW is coupled to the second end SWB_2, so that the detection result of the second pin is output to the latch signal line 230 through the latch signal input terminal 220a. · By analogy, when the pulses P3-P8 are formed, the register in the data transfer unit 221 is triggered by the positive edge of the pulse, so that the data retrieved by the data transfer unit 22 1 is, respectively, 〇〇!〇〇,,,,,〇〇〇〇1〇〇〇,,,,,〇〇01 0000”,”0010 〇〇〇〇,,,,,0100 〇〇〇〇,, and” 1 〇〇〇〇〇〇〇". And according to the data captured by the data transfer unit 221, the first end SWA of the switch SW is respectively coupled to the second ends sWB_3~8, so that the detection results of the third to eighth positions are sequentially transmitted. The latch signal input terminal 2 2 〇a is output to the latch signal line 230. When the pulse P9 is formed, the data buffered by the data transfer unit 221 after the buffer in the data transfer unit 221 is triggered by the positive edge of the pulse is ''0000 0000'. The data is "0000 0000", which means that the drive device 22 does not need to return data. At this time, the control unit 225 generates a corresponding mode selection signal SEL (for example, a mode selection signal SEL having a low level), and the driving device 22 〇 Switch to data input mode 'to avoid interference caused by multiple drive devices 22 栓 栓 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 2011 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 The towel element 222 will not receive the check-in signal LAT, so the data rounded in the letter 贝 所 所 所 所 不会 不会 不会 不会 不会 不会 不会 不会 不会 不会 不会 不会 不会 不会 不会 不会 不会 不会 不会 不会 不会 不会 不会 不会 。 。 。 。 。 。 。 。 。 。 : In the 'return to early milk, because of the circuit design, it is not possible to return two

Storage unit 999. Γ Can not be coupled to the data 怵仔早兀222, that is, the return unit 227 SWB-X+1~SWB~2X will not exist. In addition, when the return unit switches the data output mode, the _think of each pin is output. Therefore, the 'returning unit 227 can judge which pin detection result is output without using the data acquired by the data. In other words, the backhaul unit 227 is also not coupled to the data transfer unit 221. Fig. 2A is a circuit diagram of the data transmission unit of the Zengjun data according to the first embodiment of the present invention. Referring to the figure, the 'poor operation unit 23G includes a count n CT and a plurality of comparators CP-1 to CP-X (for example, a digital comparator), and the comparator CP-KP-X is used to compare the output and data of the counter CT. The data stored in the storage unit 222 is then used to enable the LED driver unit 224 to output a drive L number. The data operation unit 223 performs the operation of the graphic data by the counter CT and the plurality of comparators CP-1 to CPJX, and the function thereof can be regarded as a pulse width modulation unit or a pulse width generation unit. (pulse width generation unit), used to adjust the light-emitting diode 201105175 i..doc/e body drive to calculate the knot width. Asked %, Bessie Express 223 also has the unit 224 output driver _1, there is ^29 first diode drive n *, that is, the data operation single open? 9, can be regarded as - drive enabling unit. The light-emitting diode ^^223 receives the work of the (four) material operation result _ hard turn and current. In addition, the data operation unit 223 can also be (4) number two (not: shown) 'these and the input respectively. The age ‘

The money _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ (4) According to Fig. 2F' LED driving unit, it is mainly composed of a light emitting diode driving circuit 224a and a driving signal at 224b. The LED driving circuit is used for the "No." driving the signal to drive, driving the current avoidance ## or the switching signal. The driving signal setting circuit is now lightly connected to the LED driving circuit 224a, and the driving signal setting circuit is It is mainly used to set the driving current magnitude, the voltage magnitude, the switching impedance magnitude or the digital logic signal level of the LED driving circuit 224b. The driving signal setting circuit 224b can input the signal according to the data received by the driving circuit 22〇. The parameters of the DIN, the mode selection number SEL or its external resistor are set to adjust the driving signals output by the LED driver circuit 224a. The driving signal setting circuit 224b can directly receive the required command data via the data transfer unit 221. Or, the mode selection signal SEL is received. FIG. 2G is a circuit diagram of the driving signal setting edge 26 according to the first embodiment of the present invention. 201105175 jiicuiwf.doc/e Light-emitting illumination=polar body driving circuit. Please refer to FIG. 2g, driving signal The circuit 224b includes a digital analog conversion circuit 2, a reference voltage generating circuit 226⁄4, and a voltage-current conversion circuit. Η4. The reference voltage generating circuit 224d_ is connected to the voltage-current converting circuit, the digital analogy conversion circuit 224e_voltage current converting circuit 224. The digital analog converting circuit 224e stores the command data stored in the data storage list $222 ( That is, part of the data contained in the data input DIN is converted into an analog signal (for example, voltage) to be turned to the voltage-current conversion circuit 224c. The voltage-current conversion circuit 224c is based on the command data and the reference voltage generating circuit 22, for example. The output of the LED driver circuit 224a is adjusted. FIG. 3 is a circuit diagram of a driving device according to a second embodiment of the present invention. Referring to FIG. 2B and FIG. 3, the main difference lies in the driving device 300. The data input signal processing circuit 310 and the multiplexer 320. The wheel-in ends of the multiplexer 320 are respectively coupled to the output of the data transfer unit 221 and the data input signal processing circuit 310, and the wheel-out of the multiplexer 320 is coupled to the drive. a data output terminal of the circuit 30, and selecting an output of the data transfer unit 221 or the data input signal processing circuit 320 according to the mode selection signal SEL to generate The data input signal processing circuit 310 can output the positive phase or the inverted data input signal DIN according to the setting. When the inverted data input signal DIN is output, the attenuation problem of the data input signal during transmission can be effectively reduced. Let the data wheel signal DIN pass through the drive circuit of several stages. 'Also 27 201105175 j jj outwi.doc/e Keep the pulse width of the data input signal DIN and its waveform. Furthermore, due to the data input signal processing circuit of this embodiment 31〇 can directly output the received negative input 4s DIN, so that the data input signal DIN of the driving device 3〇〇 can be output to the next-stage driving circuit without being sequentially transmitted through the shift register. Therefore, all the serially connected driving circuits can simultaneously receive the data input signal DIN to synchronously set and switch the operation mode, so that each driving device can be synchronously switched to the same mode to facilitate continuous control of the serially connected driving device. Third embodiment

Fig. 4A is a diagram showing a driving circuit diagram according to a second embodiment of the present invention. 4A and FIG. 2A, the main difference is that 』=420-2~420-η is coupled to the enable signal from 240 through its enable signal input terminal to input the detected signal generated by the signal or its stored data. The letter DIN-1~DIN-n is output to the enable signal & 24' through the enable signal input terminal and then transmitted to the system controller 41A by the enable signal line 240. And the controller 210 t receives the driving device through the enabling signal and the line 24 、;

The signal of 420-η or the data stored therein is 1 to DIN η ° as a driving diagram according to the third embodiment of the present invention. Referring to FIG. 2A and FIG. 4A, the main difference is that the returning unit 421=unit 421 is secretive to the detecting unit 226, the data is referred to FIG. 4A and FIG. 4β, and when the (four) shelling wheel is required to be reduced, the side unit 226 will be _ The signal is output to 28 201105175 ^ueunvi.doc/e The special unit 227 transmits the detection signal to the system controller through the enable signal input a = 4 edge 240 ' - when the data stored in the data storage unit 222 is required to be output When the drive selects the signal storage unit 222, the stored data is output to the return leaflet. The output unit 421 is applied to the transfer signal input terminal 4 to be stored by the transfer data storage unit 222. : When feeding to ί':=〇, this == need to lose _ signal ςρτ + 1 τ, drive the sorrow 42 〇 will select σ5 according to the mode; ϋ knife, for the poor input mode, and the return unit 421 will pass through The enable signal received at the signal input Ε = element 223. The tenth, the internal circuit of the return unit and the backhaul of the operation, here is no longer a description of the value of the wheat - the data is output in the data output, the data of the 222 years old At the time, the second power: St body drive unit 224 is not generated. Also, in the drive package: two τ = mode, the system controller 410 does not generate a pin == set 420 ί # The data stored in the unit 222 can be maintained in the data before the drive = :; The driving device of the body, through the display system of the display system and the detection signal of the light-emitting diode and the return of the stored signal, the feed of the drive is transmitted through the latch signal input terminal or 29 201105175 The No. 1 terminal can be output to the latch signal line or the enable signal line to return the signal 1 and the poor material to the system control. In this way, the data backhaul can be improved and the data can be returned by using the necessary lines to reduce the complexity and cost of the wiring. Although the present invention has been disclosed in the above embodiments, it is not intended to limit the scope of the present invention, and the invention may be modified and modified without departing from the spirit and scope of the invention. Therefore, the scope of the protection of the heart of the 5 vines is subject to the scope of the patent application. [Simple diagram of the diagram] Figure 1 is a system block diagram of a conventional drive system. Fig. 1B is a system block diagram of a conventional driving device for a light-emitting diode. Fig. 2A is a circuit diagram of a drive system according to a first embodiment of the present invention. ® 2B is a modified drive according to the first embodiment of the present invention.

Schematic diagram. 2Γ) ^ , . Must be. Hey. Destroying the drive device according to the first embodiment of the present invention «

The setting circuit is a circuit diagram of the driving signal 30 201105175 JU6Utwr.doc/e coupled to the driving diode driving circuit according to the first embodiment of the present invention. Figure 3 is a circuit diagram of a driving device according to a second embodiment of the present invention. Fig. 4A is a circuit diagram of a drive system in accordance with a third embodiment of the present invention. Fig. 4B is a circuit diagram of a driving apparatus according to a third embodiment of the present invention. [Description of main component symbols] ^ 100, 200, 400: drive systems 110, 210, 410: system controllers 120-1 to 120-4, 220, 220-1 to 220-n, 300, 420, 420_1 to 420_n: Drive device 121: shift register 122: image data register 123: drive enable circuit 124: drive circuit φ 125: drive device detection circuit 126: extension register 127: drive current setting circuit 128: mode conversion Circuit 220a: latch signal input terminal 220b, 420a: enable signal input terminal 221: data transfer unit 222: data storage unit 223: data operation unit 31 201105175 j 1 i.uuuwi..doc/e 224: light emitting diode Driving unit 224a: LED driving circuit 224b: driving signal setting circuit 224c: voltage current conversion circuit 224d: reference voltage generating circuit 224e: digital analog conversion circuit 225: control unit 226: detecting unit 227, 421: return unit 230: latch signal line 240: enable signal line 310: data input signal processing circuit 320: multiplexer CT: counter CP_1~CP_X: comparator CKI: timing signal DIN, DIN_1~DIN_n: data input signals DO, DO_l~ DO_n : data output signal LAT : latch signal EN : enable signal SW : switch SWA, SWB — 1 to SWB — 2X+1 : endpoint SEL : mode selection signal T1 : period P1 to P9 : pulse

Claims (1)

201105175 jusutwi'doc/e VII. Patent application scope: h A driving device for a light-emitting diode 'includes a data transmission unit, receives a data input signal and a timing signal for inputting the data according to the timing signal The signal is sampled and sequentially stored in the data input signal, wherein the data input signal includes at least one LED driving data; a data storage unit coupled to the data transmission unit for storing the data The data input unit is coupled to the data storage unit for outputting a data delivery result according to the data input signal stored by the data storage unit; a light emitting diode The driving unit is connected to the data computing unit for generating at least one driving signal to drive at least the light emitting diode according to the data operation result; a debt unit coupled to the LED driving unit and detecting the detecting unit Description of the state of the light-emitting diode and the light-emitting diode driving unit and accordingly generate a detection signal; The mp; : the returning unit is coupled between the detecting unit, the data storage unit and the signal rounding end, and the returning unit selects a signal according to a mode. If the signal is transmitted to the data The detection unit rotates the detection signal through the latch signal input end. The drive device of claim 1, wherein the returning soap element comprises: a switch having a first end and a plurality of second ends, wherein the third end 33 201105175 i.. The doc/e lightly detects the detection signal input terminal 5, the second ends respectively connect the detection early element, the data storage unit, and the first end is coupled to one of the second ends according to the mode selection signal . 3. The driving device of claim 1, wherein the returning unit determines whether to output the data input signal stored by the data storage unit via the latch signal input terminal according to the mode selection signal. 4. The driving device of claim 1, further comprising: a control unit for generating the mode selection signal according to the data input signal and the timing signal. 5. The driving device of claim 4, wherein the detection signal comprises a plurality of detection results, and the control unit adjusts the mode selection signal according to the data input signal to enable selective output of the return transmission unit. One of the detection results. 6. The driving device of claim 1, further comprising: a control unit for generating the mode selection signal according to the data input signal, the timing signal or the consistent energy signal. 7. The driving device of claim 1, wherein the detection signal comprises a driving device state and a light emitting diode state. 8. The driving device of claim 7, wherein the driving device state comprises a driving device short circuit, a driving device open circuit, a driving device static current, a driving device dynamic current, a driving device overcurrent, and a driving device. Drive overvoltage, a drive low voltage, a drive function failure, a drive temperature or a drive leakage current. 9. The driving device according to claim 7, wherein the state of the illuminating diode is short-circuited, and the illuminating diode is open. The data &t application pastes the scope described in item 1, which causes the ten storage early elements to include a plurality of lean storage circuits. The driving device described in claim 1, wherein the nickname is a driving voltage, a driving current, a digital logic signal or a switching signal. 12. The driving device of claim 1, wherein the I-diode driving unit further comprises: a light-emitting diode driving circuit coupled to the data computing unit, and outputting the result according to the data operation result The driving signal is used to drive the light-emitting two-way number-drive signal setting power, and is coupled to the light-emitting diode driving power for adjusting the driving signal driving of the light-emitting diode driving circuit. The driving device according to the above item, wherein the 唬 setting circuit comprises: a reference voltage generating circuit; a bit analog conversion circuit _ in the data transmitting unit to receive the S-bein wheel-in signal-command tribute; And the funeral-voltage-current conversion circuit, coupled to the reference electric power production circuit, the light-emitting two-pole fine circuit: 14·If the patent application scope is the first item, the driver device, wherein the capital 35 201105175 ^ii6uiwiTdoc/e The material computing unit includes: a counter; and a plurality of comparators connected to the counter and the data casting unit for comparing the stored data input signals with The counter is rotated to generate the data operation result to the light-emitting two-story drive unit. I5. The driving data unit of claim 1, wherein the basin data computing unit comprises: a plurality of gates, the plurality of cells and a uniform energy signal, wherein the coils are respectively coupled to the data storage body Drive unit. And the output is coupled to the light-emitting diode, and the first data wheel of the first data wheel is included in the item, and the device is further included: the same phase or the reverse phase The data input signal jj is a multi-worker crying, 兮 / / other eight signals; and οσ 5 多 multiplexer 66 hand unit round, multiplex. . '~ The first input terminal I is connected to the output of the input signal processing circuit. The input terminal is connected to the output of the HR. An output end of the read multiplexer is coupled to a plurality of driving devices of the illuminating diode, and the γ, driving system includes: respectively receiving a data input from the driving light emitting diode, and the driving devices have a plug The lock signal wheel is 2妒5唬' each of these drive devices has a different number of ί, and five gas ^ V, .Pe select signals to switch to - 兮 读 ~ read some drive devices according to a 选 choose Measuring signal; and 4 to output a system controller from the latch signal input terminal to the latching signal input 36 201105175 juiiuiwf.doc / e terminal 'to receive each of the driving devices Measuring signal. 18. The driving system of claim 17, wherein the driving device of the LEDs comprises: a mother-data transmission unit that receives the data input signal and the time-number to use the timing signal The data input signal is taken and the data input signal is sequentially stored, wherein the data wheel 22 includes at least one LED driving data; • a data storage unit coupled to the data transmission a unit for storing the data input signal captured by the data transfer unit; a data operation unit coupled to the data storage unit for outputting a data operation result according to the data input signal stored by the data storage unit The light-emitting diode driving unit is coupled to the data computing unit for generating at least a driving signal to drive the light-emitting diode according to the data operation result; and a detecting unit coupled to the light-emitting diode driving unit Detecting the state of the light emitting diode and the light emitting diode driving unit and generating the detection signal accordingly; and returning the leaflet Between the detecting unit, the data storage unit and the wheeled end of the technology lock, when the driving device switches to the data input mode according to the mode selection signal, the returning unit will be a plug The lock signal is transmitted to the data storage unit, and when the driving device switches to the data output mode according to the mode selection signal, the back transmission unit rotates the detection signal through the latch signal input end. 19. The driving system of claim 18, wherein the returning unit comprises: a switch having a first end and a plurality of second ends, wherein the first The latching signal input end is connected to the sensing unit and the data storage unit, and the first end is coupled to one of the second ends according to the mode selection signal. 20. The driving system of claim 18, wherein each of the driving devices of the LEDs further comprises: a control unit for generating the mode selection according to the data input signal and the timing signal signal. 21. The driving system of claim 20, wherein the detection signal comprises a plurality of detection results, and the control unit adjusts the mode selection signal according to the data input signal to enable selective output of the return unit. One of the detection results. 22. The driving system of claim 18, wherein the driving device of each of the light emitting diodes further comprises: a control unit for generating the data according to the data input signal, the timing signal or the consistent energy signal This mode selects the signal. 23. The drive system of claim 18, wherein the detection signal comprises a drive state and a light emitting diode state. 24. The drive system of claim 23, wherein the drive device state comprises a drive device short circuit, a drive device open circuit, a drive device quiescent current, a drive device dynamic current, a drive device overcurrent, a Drive overvoltage, a drive low voltage, a drive assembly 38 201105175 jnsutwf.doc / e set function failure, - drive split temperature or - drive 25 · as described in the scope of claim 23; The chrome-tethered 妒 化 化 , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , A drive system as described in claim 18, wherein the data storage unit comprises a plurality of data storage circuits. 27. The drive system of claim 18, wherein the drive signal is a drive voltage, a drive current, a digital logic signal, or a switching signal. The driving system of claim 18, wherein the LED driving unit further comprises: a light emitting diode driving circuit coupled to the data computing unit, and outputting the result according to the data The driving signal is used to drive the light emitting diode; and a driving signal setting circuit is coupled to the LED driving circuit for adjusting the driving signal output by the LED driving circuit. 29. The driving system of claim 28, wherein the driving signal setting circuit comprises: a reference voltage generating circuit; a digital analog conversion circuit coupled to the data transfer unit to receive the data input signal One of the command data; and a voltage and current conversion circuit of the circuit and the circuit, coupled to the reference voltage to generate a digital analog conversion circuit for adjusting the LED driving 39 201105175 ^ n〇uiWi..d〇C Drive signal from /e. 3. The data computing unit as described in claim 18 includes: 亍,,, 死, one of the counters; and a plurality of comparators connected to the counter and the data input signal and the counter The output: produces the haibei 枓 、 、, ^ fruit to the LED driver unit. Production line 1 = 咖 所述 咖 咖 咖 咖 咖 咖 咖 咖 咖 咖 咖 咖 咖 咖 咖 咖 咖 咖 咖 咖 咖 咖 咖 咖 咖 咖 咖 咖 咖 咖 咖 咖 咖 咖 咖 咖 咖 咖 咖 咖 咖 咖 咖 咖 咖 咖The output is lightly connected to the LED to drive early. 32. The driving system of claim 18, wherein the driving device of the light emitting diode further comprises: - a data wheel human signal processing circuit, receiving the data and inputting the data in phase or inversion An input signal; and a multiplexer, a first input end of the multiplexer coupled to the data transfer unit of the input A 'the second input end of the second input end is secreted by the data input signal processing circuit Output, the output of the multi-guard is at the output of the material. The driving system of claim 17, wherein the driving device switches to the data output mode according to the mode selection signal, and outputs the storage device of the crane device from the input signal of the miscellaneous lock signal. The data input signal, and the system controller further receives each of the drives to receive the input signal through the 201105175 3lI80twf.doc/e pin/lock k input of the driving devices. ~ The stored information of the heart 34. As claimed in claim 33 - the driving devices of the light-emitting diodes include:庠 依 依 依 依 依 = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = The input signal of the data is captured; : "" - the data transfer operation unit is coupled to the data storage unit, the material storage unit depends on the # material input signal output - data transmission ^, fruit, force a light-emitting diode driving unit coupled to the data computing unit for generating at least a driving signal to drive a body according to the (4) operation result; & a <9& detecting unit coupled to the The LED driving unit detects the state of the LED and the LED driving unit and detects the signal according to the detection signal; and the detecting unit is coupled to the detecting unit. Data storage unit and 兮 latching signal wheel When the driving device switches to the data input mode according to the mode selection==, the returning unit sends a latching signal to the data storage unit, and the switching device switches to the data according to the mode selection. When the data is in the round mode, the return unit passes the check letter and feeds 41 201105175 *·«.uOc/c. Where the stored data is transferred to 35, the type of light-emitting diode is set to a poor material transfer unit, and a 匕祜. number is received for the data input signal to perform the round-robin signal and the time-series signal. Entering a letter, wherein the = domain storage stores the extracted diode driving data; and/or includes at least one illuminating-data storage unit coupled to the data wheel obtained by the poor material delivery unit. Storing the data unit, the data unit is touched by the data storage unit; the financial unit is used for the result according to the result; the heart-shaped input unit-data operation-light-emitting diode driving unit is coupled According to the result of the calculation of the data, the result of the operation is "Bei Keyun is early" using the light-emitting diode; the wide-_ signal is at least - the spectral light diode driving unit detects the detection signal m The state of the carcass turns early and is generated accordingly - back! J unit _ connected 5 hai detection unit, the data operation unit between the - ΐ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ The signal input terminal can be rotated out of the detection signal. i6:11 The driving device described in claim 35, wherein the return unit comprises: 42 201105175 3I180twf.doc/e a switch having a first end And the plurality of second ends, wherein the first end is coupled to the enable signal input end, the second ends are respectively coupled to the detecting unit and the data operation unit, and the first end is coupled according to the mode selection signal The drive device of claim 35, wherein the backhaul unit is further coupled to the data storage unit, and the backhaul unit determines whether to pass via the mode selection signal. The driving signal input terminal outputs the data stored in the data storage unit. 38. The driving device of claim 37, wherein the returning unit comprises: a switch having a first end and a plurality of Second end, wherein the first The second end is coupled to the detecting unit, the data storage unit, and the data computing unit, and the first end is coupled to the second ends according to the mode selection signal. A driving device as claimed in claim 35, further comprising: a Luyi control unit for generating the mode selection signal according to the data input signal and the timing signal. 40. The driving device of the present invention, wherein the detection signal includes a plurality of detection results, and the control unit adjusts the mode selection signal according to the data input signal, so that the back transmission unit selectively outputs one of the detection results. 41. The driving device according to claim 35, further comprising: 43 201105175 j i. i^uiwi.doc/e • The track early element is used to generate the mode selection signal according to a latch signal 42. The driving device of claim 35, wherein the detecting number comprises: a driving device state and a light emitting diode state. - 43. As described in claim 42 The moving device, wherein the movable I includes a short circuit of a driving device, an open circuit of a driving device, a static current of a device, a dynamic current of a driving device, a driving device, a current, a driving device, an overvoltage, and a crane device, a low voltage. , - drive = function loss, a drive device temperature or a drive device leakage current. 1 4 · As described in claim 42 of the scope of the patent device, a light-emitting diode short circuit in the basin, - light-emitting diode = - The extent of the aging of the bristles. The data storage device, wherein the storage unit 70 comprises a plurality of data storage circuits, wherein the driving signal is the driving device of the 35th item. Or - switch ^. Driving current, - digital logic signal 47 · as claimed in the 35th, +, + # LED driving unit further includes: π °, set the 'light-emitting diode driving circuit, coupling pile times According to the data operation result, the ^2, #unit, root body; and 彳°唬 are driven to drive the light-emitting diode driving signal setting circuit, which is connected to the 兮A road for bribing the diode driving shoulder The drive letter 44 201105175 31180twf.doc/e is rotated by the positive-lighting one-pole driving circuit. 48. The driving device according to claim 47, wherein the I driving signal setting circuit comprises: a reference voltage generating circuit; a digital analog conversion circuit coupled to the data transfer list and the data input command Data; and the building-receiving-voltage conversion circuit, the reference voltage and digital analog conversion circuit for adjusting the LED driving: the driving signal ^ 岭 细 49. As claimed in the patent scope 帛% item The driving data computing unit includes: a counter in the information device; and a plurality of comparators connected to the counter and the ... for comparing the stored data input signal to the data operation result Light-emitting diode drive. ^ The production unit 50. The data calculation unit of the ninth item of the application scope includes: , the driving device of the device, wherein the plurality of gates, the wheel-in units of the gates and the coincidence signal, the gates The = is coupled to the data storage drive unit. ^ '彳Transferred to the light-emitting diode 51. As in the 35th paragraph of the patent application, +, including: the drive device of the hall, the package-data input signal processing circuit, the data input of the in-phase or reverse phase Signal, shake wheel signal and wheel ^, and 45 ^ 1105175 31iSUtwt.doc / e - multi-worker 'the output of the multiplexer's delivery, the multiplexer's - an end is coupled to the The data is passed to the signal processing circuit for the turn. The Xia = wheel end is coupled to the data wheel output. ^ The starting end of the circulator is coupled to - 52. - a plurality of driving systems, including: respectively receiving - data wheeling "polar body", these driving devices have a uniform energy signal input, and each - 兮 吵 吵 勒 勒 勒 勒 勒 勒 勒 具 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ The material take-off mode 峨 the enable signal input end of the first line control H ′ device signal input for receiving the detection signals of each of the driving devices. The driving system of claim 52, wherein each of the driving devices of the light emitting diodes comprises: a data transfer unit that receives the data input signal and a time series signal to sample the data input signal according to the timing signal and sequentially stores the captured data input signal, wherein the data input signal includes at least one a data storage unit coupled to the data transfer unit for storing the data input signal captured by the data transfer unit; a data operation unit coupled to the data storage unit for Outputting a data transfer and a result according to the data input signal stored in the data storage unit; - a light emitting diode driving unit coupled to the data operation unit, and operating according to the data by using 46 201105175 31180twf.doc/e As a result, at least one driving signal is generated to drive the light emitting diode; a detecting unit is coupled to the light emitting diode driving unit to detect the state of the light emitting diode and the light emitting diode driving unit and generate accordingly The detection signal; and a back transmission unit coupled to the detection unit, the data storage unit, the data operation unit and Between the enable signal input terminals, when the driving device switches to a data input mode according to the mode selection signal, the back-transmitting unit transmits the enable signal to the data operation unit, and the drive device is configured according to the When the mode selection signal is switched to the data output mode, the returning unit outputs the detection 彳§ number via the enable signal input end. 54. The drive system of claim 53, wherein the return unit comprises: a switch having a first end and a plurality of second ends, wherein the first end is coupled to the enable signal input end, The second end is coupled to the detecting unit and the data computing unit, and the first end is coupled to one of the second ends according to the mode selection signal. 55. The driving system of claim 53, wherein each of the driving devices of the LEDs further comprises: a control unit configured to generate the mode selection signal according to the data input signal and the timing signal . 56. The driving system of claim 55, wherein the detection signal comprises a plurality of detection results, and the control unit adjusts the mode selection signal according to the data input signal to enable selective output of the back transmission unit. The 47 201105175 jiiisuiwi.doc/e one of the detection results. 57. The driving system of claim 53, wherein each of the driving devices of the LEDs further comprises: a control unit for inputting a signal according to the data, the timing signal or a latch signal This mode selection signal is generated. 58. The drive system of claim 53, wherein the detection signal comprises a drive state and a light emitting diode state. 59. The drive system of claim 58 wherein the drive state comprises a drive short circuit, a drive open circuit, a drive quiescent current, a drive dynamic current, a drive overcurrent, a Drive overvoltage, a drive low voltage, a drive function failure, a drive temperature or a drive leakage current. 60. The drive system of claim 58 wherein the light-emitting diode state comprises a light-emitting diode short circuit, a light-emitting diode circuit, or a light-emitting diode aging. 61. The drive system of claim 53, wherein the data storage unit comprises a plurality of data storage circuits. 62. The drive system of claim 53, wherein the drive signal is a drive voltage, a drive current, a digital logic signal, or a switch signal. The driving system of claim 53, wherein the LED driving unit further comprises: a light emitting diode driving circuit coupled to the data operation unit, and outputting the result according to the data operation result The driving signal drives the light emitting diodes 201105175 3I180twf.doc/e and a driving number setting circuit, a road number. The driving signal setting circuit described in the fourth aspect of the invention includes: ” 1 /, a 5 hai reference voltage generating circuit; a digital analog conversion circuit coupled to The information in the input signal is ~ command data; the second transmission is early - to receive - the electric dust is replaced by the circuit 'the reference electric power circuit digital analog conversion circuit for adjusting the driving of the LED The driving data computing unit of claim 53 is as follows: ^ a counter; and a plurality of comparators coupled to the counter and the data storage unit for comparison The data input signal and the counting result of the data are transmitted to the light emitting diode driving unit. Data=1=the range mentioned in item 53 of the profit range, wherein the plurality of gates, the gates and the gates The input is lightly connected to the unit and the -, and the money is driven by the body drive unit. ^9-pole π as described in claim 53 of the scope of the drive system, where every 49 ii6ULWi.doc /e 201105175 The driving of the light-emitting diodes-data wheel-in signal processing: = further includes one, out-of-phase or inversion of the ancestors, receiving s sth > material wheel into the 仏 say and lose - multiplexer; And the rounding of the delivery unit, the multiplexed crying, the input end is coupled to the data incoming signal processing circuit secret φ - the second input end is secreted to the data wheel output end. The round, 5 ho multiplexer The output terminal is coupled to the driving system described in the '60 patent application scope», wherein the t driving is: according to the mode selection signal is switched to the data output mode '=, and the enabling signal is further The data input signal stored in the wheel-in terminal is turned over and the system controller receives the data-input signal A stored in each of the drive devices through the enable signal input terminals of the drive devices. The driving system of claim 68, wherein each of the driving devices of the LED comprises: a data transmission unit that receives the data input signal and a timing signal for The timing signal samples the data input signal and And storing the data input signal, wherein the data wheeling signal comprises at least one LED driving data; and the data storage unit is coupled to the data transmission unit for storing the data transmission unit The data input unit is coupled to the data storage unit for inputting the nickname according to the data stored in the data storage unit - the data transmission result, * - the light emitting diode driving unit, coupled Connected to the data computing unit, using 50 201105175 jU^utwf.doc/e to generate at least one driving signal according to the data operation result to drive the light emitting diode; a detecting unit, connected to the light emitting diode driving unit, Detecting the state of the LED and the LED driving unit and generating the detection signal accordingly; and a returning unit coupled to the detecting unit, the data storage unit, and the data computing unit Between the enable signal input terminals, when the driving device switches to a data input mode according to the mode selection signal, the backhaul unit transmits the enable message The number is transmitted to the data operation unit, and when the driving device switches to the data output mode according to the mode selection signal, the back transmission unit outputs the detection signal or the data storage unit by the enable signal input terminal. The poor input signal. 70. The drive system of claim 69, wherein the return unit comprises: a switch having a first end and a plurality of second ends, wherein the first end is coupled to the enable signal input end, The second end is coupled to the detecting unit, the data storage unit, and the data computing unit, and the first end is coupled to one of the second ends according to the mode selection signal. 51