WO2023179301A1 - 一种带信号线控制的双向光源 - Google Patents

一种带信号线控制的双向光源 Download PDF

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Publication number
WO2023179301A1
WO2023179301A1 PCT/CN2023/078067 CN2023078067W WO2023179301A1 WO 2023179301 A1 WO2023179301 A1 WO 2023179301A1 CN 2023078067 W CN2023078067 W CN 2023078067W WO 2023179301 A1 WO2023179301 A1 WO 2023179301A1
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Prior art keywords
signal
module
port
signal line
light source
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PCT/CN2023/078067
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English (en)
French (fr)
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杨颖汉
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杭州昀芯光电科技有限公司
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Publication of WO2023179301A1 publication Critical patent/WO2023179301A1/zh

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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/20—Controlling the colour of the light
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/32—Pulse-control circuits
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection

Definitions

  • the invention relates to the field of LED decorative lighting, and in particular to a bidirectional light source with signal line control.
  • the home decorative lighting market requires color control effects on the one hand, and warm white effects on the other.
  • the common practice is to cascade the signal lines to realize the full-color control chip to add special control channels, and form a four-channel control method including the warm white LED control channel based on the three RGB control channels.
  • This method requires the use of blue LED dot phosphor to produce warm white LEDs during lamp bead packaging, which can easily lead to deviations in the color temperature of warm white LEDs.
  • the purpose of the present invention is to provide a bidirectional light source with signal line control, which uses a warm white LED driven by a reverse current to add a warm white color to the RGB full color control, and further combines the warm white color and the RGB full color.
  • the duty cycle mixing of color systems obtains a wider high-precision spectral range.
  • a bidirectional light source with signal line control, the light source includes:
  • the signal line controls the light-emitting module and the reverse light-emitting module, and the signal line controls the light-emitting module and the reverse light-emitting module and is connected in parallel to the first port of the power line and the second port of the power line of the light source;
  • the signal line controlled lighting module includes an LED lantern group and an LED driver for driving the LED lantern group according to the signal line signal;
  • the LED driver drives the LED lantern group according to the signal line signal; the potential of the first port of the power line is lower than the power supply When the second port is connected, the reverse light-emitting module works.
  • the signal line controlled light-emitting module and the reverse light-emitting module can be packaged together, welded together through other carriers, or connected together through wires of several lengths.
  • the reverse light-emitting module may be a single light-emitting diode, a plurality of light-emitting diodes, or a light-emitting module including a control module.
  • the LED driver includes: a reverse current blocking module and a signal decoding control module;
  • the input end of the reverse current prevention module is connected to the first port of the power line, the output end of the reverse current prevention module is connected to the power supply end of the signal decoding control module, and the signal decoding control module is driven according to the signal line signal The LED lantern set. It should be understood that the working current of part of the circuits of the signal decoding control module may be passed through the reverse current blocking module, or the working current of all circuits of the signal decoding control module may be passed through the reverse current blocking module.
  • the signal decoding control The control module drives the LED lantern group according to the signal line signal.
  • the signal line signal may be valid as high pulse, valid as low pulse, or valid as a combination of high pulse and low pulse.
  • a high pulse of a given duration T 1 represents a logic 0, and a high pulse of a given duration T 2 represents a logic 1.
  • a low pulse of a given duration T3 represents a logic zero and a low pulse of a given duration T4 represents a logic one.
  • logic 0 or logic 1 can be represented by a combination of high pulses of different given durations and low pulses of different given durations.
  • the signal line signal may also be a frequency modulated signal of voltage or current.
  • the signal line signal has a high pulse length of 0.5us and a low pulse length of 2.0us to represent a logic 0, and a low pulse length of 0.5us and a high pulse length of 2.0us represents a logic 1.
  • the input end of the reverse current prevention module is connected to the first port of the power line, the output end of the reverse current prevention module is connected to the power supply end of the signal decoding control module, and the ground of the signal decoding control module is connected to the power line.
  • the signal decoding control module drives the LED lantern group.
  • the LED lantern groups can be connected to a common anode, the cathodes of the LEDs in the LED lantern group are respectively connected to the output of the signal decoding control module, and the common anode of the LED lantern group can be connected to the reverse current
  • the output terminal of the blocking module and the common anode of the LED lantern group can also be connected to the input terminal of the reverse current blocking module.
  • the LED lantern groups can be connected with a common cathode.
  • the anodes of the LEDs in the LED lantern group are respectively connected to the output of the signal decoding control module.
  • the LED lantern group has a common cathode connected with the power supply. line second port.
  • the reverse current blocking module may be a single device or a combination of multiple devices.
  • the reverse current blocking module may be a resistor, and the reverse current is limited to a range of less than 500 ma through the resistor.
  • the reverse current blocking module is a unidirectional conductive module, and the reverse current blocking module The module is turned on when the potential of the input terminal is higher than the output terminal of the reverse current blocking module, and is turned off when the potential of the input terminal of the reverse current blocking module is lower than the output terminal of the reverse current blocking module.
  • the one-way conductive module is a diode, the anode of the diode is connected to the first port of the power line, and the cathode is connected to the power supply end of the signal decoding control module; or the one-way conductive element is formed of an NPN transistor.
  • An equivalent diode, the collector and base of the NPN transistor are connected to the first port of the power line, and the emitter is connected to the power supply end of the signal decoding control module; or the unidirectional conductive element is a PNP transistor In the equivalent diode formed, the collector and base of the PNP transistor are connected and then connected to the power supply end of the signal decoding control module, and the emitter is connected to the first port of the power line.
  • the reverse current blocking module and the signal decoding control module are integrated in the same integrated circuit; integration in the same integrated circuit can reduce device costs and product production costs.
  • the reverse current prevention module and the signal decoding control module are implemented by different independent modules, which can be implemented by a single chip or module respectively.
  • the reverse lighting module is composed of several LEDs.
  • the number of LEDs may be one, or more than one.
  • the plurality of LEDs may be in a parallel structure, may be connected in parallel first and then in series, or may be connected in series first and then in parallel.
  • the reverse light-emitting module may be in a warm white color.
  • the reverse light-emitting module can operate in a constant state operating mode, a controlled changing state operating mode, or a light-emitting module with a wide spectral range controlled by a signal line.
  • the LED driver includes a signal output port, and after the signal decoding control module decodes and receives the control signal of the LED driver from the signal line, it outputs the remaining signal from the signal output port.
  • the LED driver receives an N-bit logic coded data packet from the signal line, wherein M-bit logic codes are used to control the LED lantern group, and the remaining (M-N) bits of logic codes are output by the signal. port output.
  • N bits refer to several bits, and the corresponding value can be selected according to the required application scenario or product.
  • the encoding method of the data packets received by the LED driver from the signal line may be different from the encoding method output by the LED driver.
  • the LED lantern set includes three primary color light-emitting diodes: red, green and blue.
  • the present invention uses the signal line to control the light-emitting module and the reverse light-emitting module to obtain a broad chromatographic effect.
  • the light source of the present invention uses bidirectional power supply, drives the LED lantern group through forward current and signal line signals to obtain a spectral range, and then adds another spectral range through reverse direction, without increasing the above-mentioned
  • the signal line controls the cost of the light-emitting module, a warm white color with high-precision color temperature can be obtained.
  • Figure 1 shows a two-way light source with signal line control
  • Figure 2 is a schematic diagram of the signal line signal logic 0 and logic 1;
  • FIG. 3 shows the input port data packet and the output port output data packet.
  • a bidirectional light source 1 with signal line control in this embodiment includes:
  • the signal line controls the light-emitting module 11 and the reverse light-emitting module 12.
  • the signal line controls the light-emitting module 11 and the reverse light-emitting module 12 and is connected in parallel to the first port 13 of the power line and the second port 14 of the power line of the light source;
  • the signal line controlled lighting module 11 includes an LED lantern group 111 and an LED driver 112 for driving the LED lantern group 111 according to the signal of the signal line 15;
  • the LED driver 112 drives the LED lantern group 111 according to the signal of the signal line 15; when the potential of the first port 13 of the power line is lower than the second port 14 of the power line, reversely Work to the lighting module 12.
  • the LED driver 112 includes: a reverse current prevention module 1121, a signal decoding control module 1122;
  • the input end of the reverse current prevention module 1121 is connected to the first port 13 of the power line, and the output end of the reverse current prevention module 1121 is connected to the signal decoding control module 1122.
  • the signal decoding control module 1122 drives the LED lantern group 111 according to the signal from the signal line 15.
  • the LED driver 112 includes a signal output port 16. After decoding and receiving the control signal of the LED driver from the signal line 15, the signal decoding control module 1122 outputs the remaining signal from the output port 16.
  • the LED lantern group 111 is connected with a common anode.
  • the LED lantern group 111 includes a red light-emitting diode 1111, a green light-emitting diode 1112, and a blue light-emitting diode 1113.
  • the red light-emitting diode 1111, the green light-emitting diode 1112, and the blue light-emitting diode 1113 The cathodes of the red LED 1111, the green LED 1112 and the blue LED 1113 are respectively connected to the output of the electrical signal decoding control module 1122, and the common anode of the red LED 1111, the green LED 1112 and the blue LED 1113 is connected to the output end of the reverse current prevention module 1121.
  • the reverse current blocking module 1121 is a diode, the anode of the diode is connected to the first port 13 of the power line, and the cathode is connected to the signal decoding control module 1122.
  • the high pulse length of the signal line 15 is 0.5us and the low pulse length is 2.0us, indicating logic 0 (21), and the low pulse length is 0.5us and the high pulse length is 2.0us.
  • the LED driver 112 receives 48-bit logic from the signal line 15.
  • the data bits received by the LED driver 112 can select corresponding values according to the required application scenarios or products, and the number of data bits received can be dynamically changed.
  • the invention controls the light-emitting module and the reverse light-emitting module through signal lines, and the combination obtains a broad chromatographic effect.
  • the light source of the present invention uses bidirectional power supply, drives the LED lantern group through forward current and signal line signals to obtain a spectral range, and then adds another spectral range through the reverse direction without adding a signal line.
  • a warm white color with high-precision color temperature can be obtained.

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  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Led Devices (AREA)

Abstract

本发明公开了一种带信号线控制的双向光源，包括信号线控制发光模组和反向发光模组，信号线控制发光模组和反向发光模组并联连接在光源的电源线第一端口和电源线第二端口；信号线控制发光模组包括LED彩灯组和用于根据信号线信号驱动所述LED彩灯组的LED驱动器；电源线第一端口电势高于电源线第二端口时，LED驱动器根据信号线信号驱动LED彩灯组；电源线第一端口电势低于所述电源线第二端口时，反向发光模组工作。本发明解决了信号线级联实现全彩色控制产品不能通过反向电流的问题，通过反向电流驱动的暖白色系的LED，在RGB全彩控制的基础上增加暖白色系，进一步通过暖白色色系与RGB全彩色系的占空比混合，获得更加广泛的高精度光谱范围。

Description

一种带信号线控制的双向光源 技术领域
本发明涉及LED装饰照明领域，具体涉及一种带信号线控制的双向光源。
背景技术
市场出现的通过信号线级联实现全彩色控制产品，大规模应用于户外显示等场景，目前通过生产技术的更新已经开始进入家用装饰照明市场。如公开号为CN200983690的中国专利公开了一种LED并联式彩色控制***，如公开号为CN214094084U的中国专利公开了一种点控LED彩色灯串及灯具。
家用装饰照明市场，一方面需要彩色控制效果，另外一方面也需要暖白色系的效果。目前，通用做法是信号线级联实现全彩色控制芯片增加专门控制通道，在RGB三个控制通道的基础上形成包括暖白LED控制通道的四通道控制方法。这种方法，需要在灯珠封装时通过蓝光LED点荧光粉制作暖白LED，容易导致暖白LED的色温出现偏差。
目前信号线级联实现全彩色控制产品，工作时电流都是单向的，电流只能从固定一端流向另外一端，不允许反向电流，不能通过反向电流驱动另外色系的LED实现大范围光谱效果，特别是在RGB的基础上通过允许反向电流实现暖白颜色的增加。
发明内容
本发明的目的在于提供一种带信号线控制的双向光源，通过反向电流驱动的暖白色系的LED，在RGB全彩控制的基础上增加暖白色系，进一步通过暖白色色系与RGB全彩色系的占空比混合，获得更加广泛的高精度光谱范围。
一种带信号线控制的双向光源，所述光源包括：
信号线控制发光模组和反向发光模组，所述信号线控制发光模组和所述反向发光模组并联连接在所述光源的电源线第一端口和电源线第二端口；
所述信号线控制发光模组包括LED彩灯组和用于根据信号线信号驱动所述LED彩灯组的LED驱动器；
所述电源线第一端口电势高于所述电源线第二端口时，所述LED驱动器根据所述信号线信号驱动所述LED彩灯组；所述电源线第一端口电势低于所述电源线第二端口时，所述反向发光模组工作。
所述信号线控制发光模组和所述反向发光模组可以共同封装在一起，也可以通过其他载体焊接在一起，也可以通过若干长度的导线连接在一起。所述反向发光模组可以是单颗发光二极管，也可以是多颗发光二极管，也可以是包含控制模块的发光模组。
所述LED驱动器包括：反向电流阻止模块，信号解码控制模块；
所述反向电流阻止模块输入端连接所述电源线第一端口，所述反向电流阻止模块输出端连接所述信号解码控制模块供电端，所述信号解码控制模块根据所述信号线信号驱动所述LED彩灯组。应该理解，可以是所述信号解码控制模块的部分电路的工作电流经由所述反向电流阻止模块，也可以是所述信号解码控制模块的全部电路的工作电流经由所述反向电流阻止模块。
所述电源线第一端口电势高于所述电源线第二端口时，所述信号解码控 制模块根据信号线信号驱动所述LED彩灯组。
所述信号线信号，可以是高脉冲有效，也可以是低脉冲有效，也可以是高脉冲和低脉冲的组合有效。作为优选，给定时长T1的高脉冲表示逻辑0，给定时长T2的高脉冲表示逻辑1。作为别的实施方案，给定时长T3的低脉冲表示逻辑0，给定时长T4的低脉冲表示逻辑1。作为优选，可以由不同给定时长的高脉冲和不同给定时长的低脉冲组合表示逻辑0或者逻辑1。作为其他的实施方式，所述信号线信号，也可以是电压或者电流的频率调制信号。
作为优选，所述信号线信号高脉冲长度为0.5us且低脉冲长度为2.0us表示逻辑0，低脉冲长度为0.5us且高脉冲长度为2.0us表示逻辑1。
所述反向电流阻止模块输入端连接所述电源线第一端口，所述反向电流阻止模块输出端连接所述信号解码控制模块供电端，所述信号解码控制模块的地连接所述电源线第二端口电平，所述信号解码控制模块驱动所述LED彩灯组。
作为优选，所述LED彩灯组可以共阳极连接，所述LED彩灯组中LED的阴极分别连接所述信号解码控制模块输出，所述LED彩灯组的共阳极可以连接所述反向电流阻止模块输出端，所述LED彩灯组的共阳极也可以连接所述反向电流阻止模块输入端。作为另外一种实施方式，所述LED彩灯组可以共阴极连接，所述LED彩灯组中LED的阳极分别连接所述信号解码控制模块输出，所述LED彩灯组共阴极连接所述电源线第二端口。
所述反向电流阻止模块可以是单一器件，也可以是多个器件组合形成。所述反向电流阻止模块可以是电阻，通过电阻将反向电流限制在小于500ma的范围内。
作为优选，所述反向电流阻止模块为单向导电模块，所述反向电流阻止 模块的输入端电势高于所述反向电流阻止模块的输出端时导通，所述反向电流阻止模块的输入端电势低于所述反向电流阻止模块的输出端时截止。
作为优选，所述单向导电模块为二极管，所述二极管的阳极与所述电源线第一端口连接，阴极连接所述信号解码控制模块的供电端；或所述单向导电元件为NPN三极管形成的等效二极管，所述NPN三极管的集电极和基极连接后与所述电源线第一端口连接，发射极连接所述信号解码控制模块的供电端；或所述单向导电元件为PNP三极管形成的等效二极管，所述PNP三极管的集电极和基极连接后连接所述信号解码控制模块的供电端，发射极与所述电源线第一端口连接。
作为优选，所述反向电流阻止模块和所述信号解码控制模块集成在同一颗集成电路中；集成在同一颗集成电路中，可以减小器件成本，降低产品生产成本。作为另外的实施方式，所述反向电流阻止模块、所述信号解码控制模块由不同的独立模块完成，可以分别由单颗芯片或模组实现。
作为优选，所述反向发光模组由若干颗LED组成。进一步，所述若干颗LED可以是1颗，也可以是1颗以上。所述若干颗LED可以是并联结构，可以是先并联后串联，也可以是先串联后并联。作为优选，所述反向发光模组可以是暖白颜色。
应该理解，所述反向发光模组工作，可以是恒定状态工作模式，也可以是受控制的变化状态工作模式，也可以是由信号线控制的具有宽阔光谱范围的发光模组。
作为优选，所述LED驱动器包括信号输出端口，所述信号解码控制模块从所述信号线解码接收完所述LED驱动器的控制信号后，将剩余信号从所述信号输出端口输出。
作为优选，所述LED驱动器从所述信号线接收N位逻辑编码的数据包，其中M位逻辑编码用于控制所述LED彩灯组，剩余的(M-N)位的逻辑编码由所述信号输出口输出。应该理解，N位是指若干位，可以根据需要的应用场景或者产品选择对应的值。应该理解，所述LED驱动器从所述信号线接收的数据包，编码方式可以与所述LED驱动器输出采用不同的编码方式。
作为优选，所述LED彩灯组包括红、绿、蓝三基色发光二极管。
本发明通过所述信号线控制发光模组和所述反向发光模组，组合获得宽广的色谱效果。与现有技术相比，本发明的光源通过双向供电，通过正向电流并由信号线信号驱动该LED彩灯组获得一个光谱范围，再通过反向增加另外一个光谱范围，在不增加所述信号线控制发光模组成本的前提下，可以获得高精度色温的暖白色系。
附图说明
图1为带信号线控制的双向光源；
图2为信号线信号逻辑0、逻辑1示意图；
图3为输入口数据包和输出口输出数据包。
具体实施方式
下面将结合附图和具体实施例对本发明进一步详细描述。
如图1所示，本实施例的一种带信号线控制的双向光源1，包括：
信号线控制发光模组11和反向发光模组12，信号线控制发光模组11和反向发光模组12并联连接在光源的电源线第一端口13和电源线第二端口14；
信号线控制发光模组11包括LED彩灯组111和用于根据信号线15信号驱动LED彩灯组111的LED驱动器112；
电源线第一端口13电势高于电源线第二端口14时，LED驱动器112根据信号线15信号驱动LED彩灯组111；电源线第一端口13电势低于电源线第二端口14时，反向发光模组12工作。
LED驱动器112包括：反向电流阻止模块1121，信号解码控制模块1122；
反向电流阻止模块1121的输入端连接电源线第一端口13，反向电流阻止模块1121的输出端连接信号解码控制模块1122，信号解码控制模块1122根据信号线15信号驱动LED彩灯组111。
本实施例LED驱动器112包括信号输出端口16，信号解码控制模块1122从信号线15解码接收完LED驱动器的控制信号后，将剩余信号从输出端口16输出。
本实施例LED彩灯组111以共阳极连接，LED彩灯组111包括红色发光二极管1111、绿色发光二极管1112和蓝色发光二极管1113，红色发光二极管1111、绿色发光二极管1112和蓝色发光二极管1113的阴极分别连接电信号解码控制模块1122输出，红色发光二极管1111、绿色发光二极管1112和蓝色发光二极管1113共阳极连接反向电流阻止模块1121的输出端。
本实施例中反向电流阻止模块1121为二极管，二极管阳极与电源线第一端口13连接，阴极连接信号解码控制模块1122。
在本实施例中，如图2所示，信号线15信号高脉冲长度为0.5us且低脉冲长度为2.0us表示逻辑0(21)，低脉冲长度为0.5us且高脉冲长度为2.0us表示逻辑1(22)。
如图3所示，本实施例中LED驱动器112从信号线15接收48位逻辑 编码的输入口数据包31，其中24位逻辑编码用于控制LED彩灯组111，剩余的24位的逻辑编码作为输出口输出数据包32由信号输出口16输出。应该理解，LED驱动器112接收的数据位，可以根据需要的应用场景或者产品选择对应的值，接收的数据位的数量是可以动态变化的。
本发明通过信号线控制发光模组和反向发光模组，组合获得宽广的色谱效果。与现有技术相比，本发明的光源通过双向供电，通过正向电流并由信号线信号驱动该LED彩灯组获得一个光谱范围，再通过反向增加另外一个光谱范围，在不增加信号线控制发光模组成本的前提下，可以获得高精度色温的暖白色系。

Claims (8)

  1. 一种带信号线控制的双向光源，其特征在于，所述光源包括：
    信号线控制发光模组和反向发光模组，所述信号线控制发光模组和所述反向发光模组并联连接在所述光源的电源线第一端口和电源线第二端口；
    所述信号线控制发光模组包括LED彩灯组和用于根据信号线信号驱动所述LED彩灯组的LED驱动器；
    所述电源线第一端口电势高于所述电源线第二端口时，所述LED驱动器根据所述信号线信号驱动所述LED彩灯组；所述电源线第一端口电势低于所述电源线第二端口时，所述反向发光模组工作。
  2. 如权利要求1所述的带信号线控制的双向光源，其特征在于，所述LED驱动器包括，
    反向电流阻止模块，信号解码控制模块；
    所述反向电流阻止模块输入端连接所述电源线第一端口，所述反向电流阻止模块的输出端连接所述信号解码控制模块的供电端，所述信号解码控制模块根据所述信号线信号驱动所述LED彩灯组。
  3. 如权利要求2所述的带信号线控制的双向光源，其特征在于，所述反向电流阻止模块为单向导电模块，所述反向电流阻止模块的输入端电势高于所述反向电流阻止模块的输出端时导通，所述反向电流阻止模块的输入端电势低于所述反向电流阻止模块的输出端时截止。
  4. 如权利要求3所述的带信号线控制的双向光源，其特征在于，所述单向导电模块为二极管，所述二极管的阳极与所述电源线第一端口连接，阴极连接所述信号解码控制模块的供电端；或所述单向导电元件为NPN三极管 形成的等效二极管，所述NPN三极管的集电极和基极连接后与所述电源线第一端口连接，发射极连接所述信号解码控制模块的供电端；或所述单向导电元件为PNP三极管形成的等效二极管，所述PNP三极管的集电极和基极连接后连接所述信号解码控制模块的供电端，发射极与所述电源线第一端口连接。
  5. 如权利要求4所述的带信号线控制的双向光源，其特征在于，所述反向电流阻止模块和所述信号解码控制模块集成在同一颗集成电路中。
  6. 如权利要求5所述的带信号线控制的双向光源，其特征在于，所述反向发光模组为暖白LED。
  7. 如权利要求6所述的带信号线控制的双向光源，其特征在于，所述LED驱动器包括信号输出端口，所述信号解码控制模块从所述信号线解码接收完所述LED驱动器的控制信号后，将剩余信号从所述信号输出端口输出。
  8. 如权利要求7所述的带信号线控制的双向光源，其特征在于，所述LED彩灯组包括红、绿、蓝三基色发光二极管。
PCT/CN2023/078067 2022-03-23 2023-02-24 一种带信号线控制的双向光源 WO2023179301A1 (zh)

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