TWM515250U - Ac led - Google Patents

Description

AC illuminator

The present invention consists in providing an alternating current illumination device, in particular an alternating current illumination device for illumination.

Since the light-emitting diode has the characteristics of low power consumption, high brightness and long life, the light-emitting diode has been widely used in various lighting devices. The lighting device comprises a rectifier circuit, a switch, a light-emitting module and a current source, and the light-emitting module is composed of a plurality of light-emitting diodes connected in series. The rectifier circuit is described here as a full-wave rectifier circuit. Therefore, the AC power source can obtain a pulsating DC through the rectifier circuit, and the pulsating DC is used as an input power source for supplying the LED. When a plurality of series-connected light-emitting diodes are turned on, the current source can provide a stable current to each of the light-emitting diodes in the light-emitting module.

However, the illumination switching brightness of the lighting device mostly utilizes the group loop control method, and the lighting module is controlled to be turned on and illuminated by the switching switch, and some of the lighting modules are turned on or the lighting module is not turned on. For example, the user operates the switch to control the lighting module to be turned on, and operates the secondary switch to control some of the lighting modules to be turned on, and the three switches are operated to control the lighting module to be non-conductive and bright.

Therefore, the illumination device will cause unevenness of the regional light source. For example, if the illumination module is turned on and bright, the light source in the area where the illumination module is turned on and bright is brighter than the area where the illumination module is not conductive, and the illumination module is not conductive. Although the area is astigmatic after a certain height of light source, it can still clearly feel the lack of brightness, resulting in uneven regional light source.

Furthermore, if the conventional method is applied to a lighting device having a light-emitting diode, in addition to the above problems, a plurality of groups of light-emitting diodes are more concentrated to emit light, resulting in uneven life of the light-emitting diode; Switching to a few sets of lighting due to lighting The diode turns on and causes the overcurrent of the light-emitting diode to be damaged.

The present invention provides an AC lighting device that outputs a pulse waveform signal to a switching unit through an input voltage and a dimming signal, so that the AC lighting module outputs beams of different brightness, thereby improving the usability of the AC lighting device.

The present invention provides an AC lighting device, which is suitable for electrically connecting an AC power source, and the AC power source is rectified by a rectifier module to output an input voltage. The AC lighting device comprises a step-down module, a switch unit and a control module. And an AC lighting module. The buck module is electrically connected to the rectifier module. The switch unit is electrically connected to the buck module. The control module is electrically connected to the switch unit and the buck module. The AC lighting module is electrically connected to the switch unit. The control module outputs a pulse waveform signal to the switch unit according to the input voltage and a dimming signal, and the switch unit turns on or off the AC lighting module according to the pulse waveform signal.

The specific means of the present invention is to utilize an AC lighting device, wherein the control module outputs a pulse waveform signal to the switching unit according to the input voltage and a dimming signal. The switch unit turns on or off the AC lighting module according to the pulse waveform signal, so that the AC lighting module outputs beams of different brightness. In addition, the creation further includes a dimming module for adjusting the preset dimming mode of the control module, thereby improving the usability of the AC lighting device.

In order to further understand the techniques, methods and effects of this creation, please refer to the following detailed description and drawings of the creation. The above description of the creation and the description of the following embodiments are for further explanation. The technical means of creation and the achievement of the effect, but the embodiments and drawings described are provided for reference only, and are not intended to limit the creation.

1, 1a, 1b‧‧‧ AC lighting device

10‧‧‧Rectifier Module

12‧‧‧Buck Module

14‧‧‧Control Module

140‧‧‧Control unit

142‧‧‧ Shock unit

144‧‧‧ coding unit

16‧‧‧Switch unit

18‧‧‧AC lighting module

180‧‧‧AC LEDs

182‧‧‧Communication unit

184‧‧‧Rectifier unit

20‧‧‧ dimming module

22‧‧‧Divided module

24‧‧‧Memory Module

26‧‧‧Sensing module

AC‧‧‧AC power supply

R1~R5‧‧‧ resistance

C1~C3‧‧‧ capacitor

MG‧‧‧Chip Switch

D1~D2‧‧‧ Diode

PI1, PI2‧‧‧ input voltage waveform

PO1, PO2‧‧‧ pulse waveform signal

SCL‧‧‧ serial clock

SDA‧‧‧ serial data

RST‧‧‧Reset

VSS, VDD‧‧‧ voltage

T1~t5‧‧‧Time

FIG. 1A is a schematic functional block diagram of an AC lighting device according to an embodiment of the present invention.

FIG. 1B is a schematic diagram of a control module according to another embodiment of FIG. 1A for converting an input voltage into a pulse waveform signal.

2 is a circuit diagram of an alternating current lighting device according to another embodiment of the present invention of FIG. 1A.

3 is a circuit diagram of an alternating current lighting device according to another embodiment of the present invention.

4 is a schematic diagram of an alternating current lighting device according to another embodiment of the present invention.

FIG. 5 is a schematic diagram of a waveform of sensing an illumination luminance-time of an AC illumination device according to another embodiment of the present invention.

FIG. 1A is a schematic functional block diagram of an AC lighting device according to an embodiment of the present invention. Please refer to Figure 1A. An AC illuminating device 1 is adapted to be electrically connected to an AC power source AC. The AC power source AC is rectified by a rectifying module 10 to output an input voltage. The AC lighting device 1 includes a step-down module 12, a switch unit 16, a control module 14, a dimming module 20, and an AC lighting module 18. In practice, the buck module 12 is electrically connected to the rectifier module 10, the switch unit 16, and the control module 14. The switch unit 16 is electrically connected to the rectifier module 10, the buck module 12, the control module 14, and the AC lighting module 18. The dimming module 20 is electrically connected to the control module 14 .

The AC power source AC is, for example, an AC power source of 110 volts, 220 volts, or the like to provide power to the AC lighting device 1. This embodiment does not limit the AC power source AC. Then, the rectifier module 10 is used for rectification to output an input voltage. In practice, the rectifier module 10 is, for example, a full bridge or a half bridge rectifier circuit. This embodiment does not limit the aspect of the rectifier module 10.

When the AC power source AC passes through the rectifier module 10 to obtain a pulsating DC, the pulsating DC is used as the input voltage of the supply control module 14. Furthermore, the pulsating direct current can be a full-wave or a half-wave pulsating direct current. For convenience of description, the rectifier module 10 is, for example, a full-wave rectifier circuit for rectifying the waveform of the AC power source AC into an input voltage that can be used by the control module 14 and the AC lighting module 18. The input voltage is, for example, a positive half cycle. The full wave of the pulsating DC. In other embodiments, the input voltage may also be a half-wave pulsating direct current of a positive half cycle. This embodiment does not limit the aspect of the input voltage. The following description will be explained by the full-wave pulsating DC of the positive half cycle.

The buck module 12 is configured to step down the input voltage to a predetermined voltage, such as stepping down the input voltage to an operating voltage required by the control module 14. The operating voltage required by the control module 14 is, for example, 5 volts. The buck module 12 is implemented, for example, by a buck circuit, a voltage dividing circuit, or other circuits. This embodiment does not limit the aspect of the buck module 12.

The switching unit 16 is, for example, one or more power transistors; or one or more field effect transistors. This embodiment does not limit the aspect of the switching unit 16. In practice, the switching unit 16 is controlled by the control module 14. When the switch unit 16 is turned on, the AC power source AC is supplied to the AC lighting module 18 via the rectifier module 10. On the contrary, when the switch unit 16 is turned off, the AC power source AC cannot supply power to the AC lighting module 18.

The AC lighting module 18 is implemented by one or more AC light emitting diodes connected in series, one or more AC light emitting diodes connected in parallel, or an AC light emitting diode designed in a bridge circuit. This embodiment does not limit the aspect of the AC lighting module 18. Regardless of the direction of the alternating current, the positive and negative directions can cause the alternating current lighting module 18 to be biased to emit light.

The control module 14 is electrically connected to the switch unit 16, the buck module 12, and the dimming module 20. In practice, control module 14 is implemented, for example, by a microprocessor, a control chip, a processing die, or a control circuit. This embodiment does not limit the aspect of the control module 14. In practice, the control module 14 has a plurality of preset dimming modes, and the preset dimming modes instruct the control module 14 to output pulse waveform signals of different duty cycles to the switch unit 16. The control module 14 generates a pulse waveform signal according to the phase of the trigger pulse and the input voltage.

In detail, the control module 14 outputs a pulse waveform signal to the switch unit 16 according to the input voltage and a dimming signal. The switch unit 16 is turned on or off according to the pulse waveform signal, so that the AC illumination module 18 outputs a light beam. In practice, the pulse waveform signal is a full-wavelength waveform based on the positive half cycle of the input voltage to form a similar pulse width modulation signal (PWM) signal. Wherein, the switch unit 16 is based on the pulse waveform signal The circuit between the AC power source AC and the AC lighting module 18 is turned on or off, whereby the AC lighting module 18 outputs light beams of different brightness.

In addition, the dimming module 20 is, for example, a switching knob, a switching button, a switch, or a wall switch. This embodiment does not limit the aspect of the dimming module 20. The dimming module 20 has a plurality of dimming addresses, and any one of the dimming addresses instructs the control module 14 to output pulse waveform signals of different duty cycles to the switch unit 16.

For example, the dimming module 20 is, for example, a switching knob, and the dimming module 20 has four dimming addresses, such as dimming addresses of 100% brightness, 75%, 25%, and 0%. When the switching knob is adjusted to a 75% dimming address, the dimming module 20 outputs a dimming signal such as 75% to the control module 14. The control module 14 is configured according to a preset dimming mode of the 75% dimming duty cycle. Therefore, the control module 14 outputs a pulse waveform signal such as a duty cycle of 75% dimming to the switch unit 16, thereby the AC lighting module 18 Output 75% dimming brightness.

For example, when the switching knob is adjusted to the 25% dimming address, the control module 14 is in accordance with the preset dimming mode of the 25% dimming duty cycle, so the control module 14 outputs 25% dimming. The pulse waveform signal of the duty cycle is supplied to the switching unit 16, whereby the AC lighting module 18 outputs a 25% dimming brightness. This embodiment does not limit the operational aspect of the AC light-emitting device 1.

FIG. 1B is a schematic diagram of a control module according to another embodiment of FIG. 1A for converting an input voltage into a pulse waveform signal. Please refer to FIG. 1B and FIG. 1A. FIG. 1B illustrates voltage waveforms of an input voltage PI1, PI2 and voltage waveforms of a pulse waveform signal PO1, PO2. The input voltages PI1 and PI2 are voltages that are output after the AC power source AC is rectified by the rectifier module 10. The input voltages PI1, PI2 are, for example, full-wave pulsating direct currents of a positive half cycle.

The pulse waveform signals PO1 and PO2 are voltage waveforms generated based on the input voltage and the phase of the trigger pulse. The pulse waveform signals PO1 and PO2 are waveforms of full waves according to the positive half cycle of the input voltages PI1 and PI2, and form similar pulse width modulation signals. (PWM) signal. The phase of the trigger pulse will affect the duty cycle of the pulse waveform signals PO1 and PO2.

For example, the pulse waveform signal PO1 is a duty cycle waveform of 75% dimming brightness, and the pulse waveform signal PO2 is a duty cycle waveform of 100% dimming brightness. Therefore, the control module 14 can output the pulse waveform signals PO1 and PO2 of different duty cycles to the switch unit 16, thereby controlling the brightness of the light emitted by the AC light-emitting module 18. The on-time of the duty cycle of the pulse waveform signal PO1 is greater than the on-time of the duty cycle of the pulse waveform signal PO2. This embodiment does not limit the wave morphology of the pulse waveform signals PO1, PO2.

Next, the detailed circuit and operation mode of the AC light-emitting device 1 will be further described.

2 is a circuit diagram of an alternating current lighting device according to another embodiment of the present invention of FIG. 1A. Please refer to FIG. 2 and FIG. 1A. An AC illuminating device 1 is adapted to be electrically connected to an AC power source AC. The AC power source AC is rectified by a rectifying module 10 to output an input voltage. The AC lighting device 1 includes a step-down module 12, a switch unit 16, a control module 14, a dimming module 20, and an AC lighting module 18.

In detail, the buck module 12 includes a plurality of resistors R1 R R3, a diode D1, a transistor switch MG, and a plurality of capacitors C1 C C2. The gates of the transistor switch MG are electrically connected to the resistors R1. One of the ~R3 and the cathode of the diode D1, the anode of the diode D1 is electrically connected to the source of the transistor switch MG. The resistors R1 R R3 are, for example, a first resistor R1, a second resistor R2, and a third resistor R3. The first resistor R1 is electrically connected to the cathode of the diode D1, the gate of the transistor switch MG, and the rectifier module 10. The second resistor R2 is electrically connected to the drain of the transistor switch MG and the rectifier module 10, and the capacitor C2 is connected in parallel with the third resistor R3, as shown in FIG.

The switching unit 16 is, for example, a power transistor. The gate of the power transistor is electrically connected to the control module 14. The source and the drain of the power transistor are electrically connected to the step-down module 12 and the AC light-emitting module 18, respectively. Those skilled in the art should know the function of the power transistor, and will not be described here.

The control module 14 includes a control unit 140, an oscillating unit 142, and an encoding unit 144. In practice, the control unit 140 is electrically connected to the buck module 12, the oscillating unit 142, and the encoding unit 144. In practice, the oscillating unit 142 is configured to calculate the time to make the timing dimming of the control unit 140 more precise. In other embodiments, control unit 140 itself also has a built-in oscillator. Therefore, the control module 14 can add the oscillating unit 142 or the oscillating unit 142 to implement the timing dimming technology. This embodiment does not limit the aspect of the control module 14.

It is worth mentioning that the encoding unit 144 has serial clock SCL, serial data SDA and reset RST pins, and serial clock SCL, serial data SDA and reset RST pins are electrically connected. Control unit 140. The encoding unit 144 is configured to receive a preset voltage output by the buck module 12, for example, an operating voltage of 5 volts.

The AC lighting module 18 includes a rectifying unit 184, an AC operating unit 182, and at least one AC LED 180. The rectifying unit 184 is electrically connected to the AC operating unit 182 and the at least one AC LED 180. The AC LED 180 is, for example, an AC-LED, and adopts a Wheatstone Bridge design, so that both the positive and negative directions can be biased regardless of the direction of the alternating current, as shown in FIG. 2 . Show.

The rectifying unit 184 is, for example, a full bridge type or a half bridge type rectifying circuit, and the embodiment does not limit the aspect of the rectifying unit 184. The AC operation unit 182 is implemented, for example, by an AC operation chip, a bridge operation chip, or a circuit. This embodiment does not limit the aspect of the AC illumination module 18.

3 is a circuit diagram of an alternating current lighting device according to another embodiment of the present invention. Please refer to Figure 3. The AC illumination device 1a of FIG. 3 is similar in structure to the AC illumination device 1 of FIG. 2, and the same components that are included in the following will be denoted by the same reference numerals. The difference between the AC lighting devices 1a and 1 is: a voltage dividing module 22 and a sensing module 26. The voltage dividing module 22 is electrically connected to the control unit 140 and the AC power source AC. The sensing module 26 is electrically connected to the control unit 140.

The voltage dividing module 22 is realized, for example, by a voltage dividing circuit. In practice, the control module 14 passes through the voltage dividing module 22 to obtain power or power data of the AC power source AC. In addition, the resistance of the resistor R5 is greater than the resistance of the resistor R4. In other embodiments, the resistance of resistor R5 is less than or equal to the resistance of resistor R4. This embodiment does not limit the aspect of the voltage dividing module 22.

Next, the sensing module 26 is electrically connected to the control module 14 . The sensing module 26 is configured to sense an intrusion of an object within a sensing range. In practice, the sensing module 26 is implemented, for example, by an infrared sensor, a microwave sensor, a Bluetooth sensor, a radio frequency sensor, or other sensors. This embodiment does not limit the aspect of the sensing module 26.

When the sensing module 26 senses the intrusion of the object, the sensing module 26 outputs a sensing signal to the control module 14. The sensing signal indicates that the control module 14 outputs the pulse waveform signals of different duty cycles to the switch unit 16. When the sensing module 26 does not sense the intrusion of the object, the control module 14 uses the preset dimming modes. One controls the on or off of the switching unit 16.

For example, the control module 14 has a plurality of preset dimming modes. Wherein, when the control module 14 receives the sensing signal, the control module 14 operates in a preset dimming mode of 100% dimming. Therefore, the control module 14 outputs a 100% dimmed pulse waveform signal to the switch unit 16, whereby the AC illumination module 18 outputs 100% of the brightness.

On the other hand, when the control module 14 does not receive the sensing signal, the control module 14 operates in a preset dimming mode of 25% dimming. Therefore, the control module 14 outputs a 25% dimmed pulse waveform signal to the switch unit 16, whereby the AC illumination module 18 outputs 25% of the brightness. In other embodiments, when the control module 14 does not receive the sensing signal, the control module 14 operates in a preset dimming mode of 0% dimming, or other low-value dimming preset dimming. The mode works. This embodiment does not limit the aspect of the alternating current light-emitting device 1a. The rest is the same and will not be repeated here.

4 is a schematic diagram of an alternating current lighting device according to another embodiment of the present invention. See Figure 4. The alternating current illumination device 1b of FIG. 4 is similar in structure to the alternating current illumination device 1 of FIG. 1, and the same elements that are included in the following will be denoted by the same reference numerals. The difference between the AC lighting devices 1b and 1 is: a memory module 24 and a sensing module 26. The memory module 24 and the sensing module 26 are electrically connected to the control module 14 respectively.

The memory module 24 is, for example, one or a combination of a non-volatile memory, a volatile memory, an SD card, and a flash memory. This embodiment does not limit the aspect of the memory module 24. For example, the memory module 24 stores one or more preset dimming modes; or stores one or more pulse waveform signals of different duty cycles. This embodiment does not limit the aspect of the memory module 24. The rest is the same and will not be repeated here.

FIG. 5 is a schematic diagram of a waveform of sensing an illumination luminance-time of an AC illumination device according to another embodiment of the present invention. Please refer to Figure 5. When the sensing module 26 in FIG. 3 or FIG. 4 senses the intrusion of an object, the AC lighting module 18 will output light beams of different brightness.

The sensing module 26 senses the intrusion of the object and at time 0~t1, the AC lighting module 18 will output the beam. The brightness of the beam is linearly ramped from zero to high brightness. However, general lighting devices sense that the brightness of an object is instantaneously ramped from zero to high brightness. Therefore, the general lighting device senses that the brightness of the object is the brightness of the stepped climb. Therefore, the general lighting device senses the brightness of the object may be scared to the user, visitor, passerby or third person.

Therefore, the brightness of the AC lighting module 18 of the present embodiment rises linearly from zero to high brightness, and does not instantaneously climb from zero to high brightness. Therefore, the AC lighting device 1 of the present embodiment senses that the brightness of the object does not scare the user, the visitor, the passerby, or the third person.

Then, at time t1 to t2, the AC lighting module 18 continues to output high-intensity light. The control module 14 outputs a 100% dimmed pulse waveform signal to control the on or off of the switch module. And the control module 14 can be set according to the preset dimming mode. A pulse waveform signal that outputs 100% dimming for 10 seconds or a preset time.

The invading object leaves the sensing range, and the sensing module 26 does not sense the intrusion of the object. At time t2~t3, the AC lighting module 18 will output a light beam. The brightness of the beam is linearly reduced from high brightness to low brightness. Therefore, the brightness of the AC lighting module 18 of the present embodiment is linearly reduced from high brightness to low brightness, and is not instantaneously reduced from high brightness to low brightness. Therefore, the AC illuminating device 1 of the present embodiment senses that the brightness of the object does not become dark at once, but is gradually dimmed. Therefore, users, visitors, passers-by or third parties will not be scared by the brightness of the darkening at once or can not see the surrounding environment for a while.

At time t3~t4, the AC lighting module 18 will continuously output light of low brightness. The control module 14 outputs a 25% dimmed pulse waveform signal to control the on or off of the switch module. And the control module 14 can be set to output a 25% dimmed pulse waveform signal for 10 seconds or a preset time according to the preset dimming mode.

Thereafter, at time t4 to t5, the AC lighting module 18 outputs a light beam. The brightness of the beam is linearly reduced from zero to zero brightness. Therefore, the brightness of the AC lighting module 18 of the present embodiment is linearly reduced from zero to zero brightness, and is not instantaneously reduced from low to zero. Therefore, the AC illuminating device 1 of the present embodiment senses that the brightness of the object does not become dark at once, but is gradually dimmed. Therefore, users, visitors, passers-by or third parties will not be scared by the brightness of the darkening at once or can not see the surrounding environment for a while. Those skilled in the art can adjust the slope, duration, increase or delete of a certain time period or other modes of operation according to the technical spirit of the embodiment. This embodiment does not limit the operational aspect of the AC light-emitting device 1.

In summary, the present invention provides an AC lighting device including a step-down module, a switch unit, a control module, and an AC lighting module. The control module outputs a pulse waveform signal to the switch unit according to the input voltage and a dimming signal. The switch unit turns on or off the AC lighting module according to the pulse waveform signal, so that the AC lighting module outputs beams of different brightness. The pulse waveform signal is a voltage waveform generated according to the input voltage and the phase of the trigger pulse. Trigger pulse phase The bit will affect the duty cycle of the pulse waveform signal. The pulse waveform signal is a signal of a similar pulse width modulation signal (PWM) according to the waveform of the positive half cycle of the input voltage.

In addition, the creation further includes a dimming module and a sensing module, wherein the dimming module is configured to adjust a preset dimming mode of the control module, so that the control module outputs pulse waveform signals of different duty cycles to the switch. unit. The sensing module is configured to sense an intrusion of an object, so that the control module outputs pulse signal signals of different duty cycles to the switching unit according to the intrusion of the object. In this way, the AC lighting device of the embodiment can improve the use and operation convenience of the lighting device. The above description is only an embodiment of the present invention, and is not intended to limit the scope of the patent of the present invention.

This creation has already met the requirements of the new patent and applied in accordance with the law. However, the above disclosures are only preferred embodiments of the present invention, and the scope of rights of the present invention cannot be limited thereto. Therefore, the equal changes or modifications made according to the scope of the application of the present application are still covered by the present application.

1‧‧‧AC lighting device

10‧‧‧Rectifier Module

12‧‧‧Buck Module

14‧‧‧Control Module

16‧‧‧Switch unit

18‧‧‧AC lighting module

20‧‧‧ dimming module

AC‧‧‧AC power supply

Claims (10)

An AC illuminating device is adapted to be electrically connected to an AC power source, and the AC power source is rectified by a rectifying module to output an input voltage. The AC illuminating device comprises: a step-down module electrically connected to the rectifying module; a switching unit electrically connected to the rectifier module and the step-down module; a control module electrically connected to the switch unit and the step-down module; and an AC lighting module electrically connected to the switch unit; The control module outputs a pulse waveform signal to the switch unit according to the input voltage and a dimming signal, and the switch unit turns on or off the AC light emitting module according to the pulse waveform signal. The AC lighting device of claim 1, wherein the control module has a plurality of preset dimming modes, wherein the preset dimming mode instructs the control module to output the pulse waveform signals of different duty cycles to The switching unit generates a pulse waveform signal according to a phase of the trigger pulse and the input voltage. The illuminating device of claim 2, further comprising a dimming module electrically connected to the control module, the dimming module having a plurality of dimming addresses, the dimming address indications The control module outputs the pulse waveform signal of different duty cycles to the switch unit. The illuminating device of claim 2, further comprising a sensing module electrically connected to the control module, wherein the sensing module is configured to sense an intrusion of an object within a sensing range. When the sensing module senses the intrusion of the object, the sensing module outputs a sensing signal to the control module, and the sensing signal instructs the control module to output the pulse waveform signal to the switching unit. When the sensing module does not sense the intrusion of the object, the control module controls the switching unit to be turned on or off in one of the preset dimming modes. The AC lighting device of claim 1, wherein the step-down module comprises a plurality of resistors, a diode, a transistor switch, and a plurality of capacitors, and the transistor switch The gate is electrically connected to one of the resistors and the cathode of the diode, and the anode of the diode is electrically connected to the source of the transistor switch. The illuminating device of claim 5, wherein the resistors are a first resistor, a second resistor, and a third resistor, the first resistor electrically connecting the cathode of the diode, the transistor switch The gate and the rectifier module are electrically connected to the drain of the transistor switch and the rectifier module, and the capacitors are connected in parallel with the third resistor. The illuminating device of claim 1, wherein the switching unit is a power transistor, the gate of the power transistor is electrically connected to the control module, and the source and the drain of the power transistor are respectively electrically connected. The step-down module and the AC lighting module. The AC lighting device of claim 1, further comprising a voltage dividing module electrically connected between the control unit and the AC power source. The illuminating device of claim 1 further includes a memory module electrically connected to the control module, and the control module includes a control unit, an oscillating unit and an encoding unit, the control unit is electrically connected The buck module, the oscillating unit and the coding unit. The AC lighting device of claim 1, wherein the AC lighting module comprises a rectifying unit, an AC operating unit and at least one AC LED, the rectifying unit electrically connecting the AC operating unit and the at least one AC Light-emitting diode.