WO2022012372A1 - 柔性led发光灯带 - Google Patents

柔性led发光灯带 Download PDF

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Publication number
WO2022012372A1
WO2022012372A1 PCT/CN2021/104685 CN2021104685W WO2022012372A1 WO 2022012372 A1 WO2022012372 A1 WO 2022012372A1 CN 2021104685 W CN2021104685 W CN 2021104685W WO 2022012372 A1 WO2022012372 A1 WO 2022012372A1
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Prior art keywords
light
emitting
led lamp
strip
circuit substrate
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PCT/CN2021/104685
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English (en)
French (fr)
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汪玉华
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汪玉华
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Priority to US18/015,519 priority Critical patent/US20230258305A1/en
Publication of WO2022012372A1 publication Critical patent/WO2022012372A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S4/00—Lighting devices or systems using a string or strip of light sources
    • F21S4/20—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports
    • F21S4/22—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports flexible or deformable, e.g. into a curved shape
    • F21S4/24—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports flexible or deformable, e.g. into a curved shape of ribbon or tape form, e.g. LED tapes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F21V19/0015—Fastening arrangements intended to retain light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
    • F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the present disclosure relates to the field of LED lighting lamps, in particular to a novel flexible LED light-emitting strip.
  • LED light strips have been widely used in daily lighting.
  • LED light strips on the market are mainly divided into positive light-emitting LED light strips and side-emitting LED light strips.
  • Positive light-emitting LED light strips refer to the circuit where the light flows from the LED light strip.
  • the front side of the substrate emits light with high luminous brightness, which generally emphasizes its lighting effect;
  • the side-emitting LED strip refers to the light emitted from the side of the circuit substrate of the LED strip.
  • the luminous brightness is low, and the light is softer, mainly for decorative effects.
  • the existing products have a single function, either only with lighting effects or decorative effects, and cannot emit light from the front and sides at the same time or choose to emit light from a certain side.
  • the present disclosure provides a new type of flexible LED light-emitting light strip, and the adopted technical scheme is:
  • a flexible LED light-emitting light strip includes: a long flexible circuit substrate and a plurality of light-emitting units arranged along the length direction of the circuit substrate and welded on the circuit substrate, the plurality of light-emitting units are connected in parallel with each other, and the Each light-emitting unit in the plurality of light-emitting units includes a positive-emitting LED lamp bead, a first side-emitting LED lamp bead and a second side-emitting LED lamp bead, and the light-emitting direction of the positive-emitting LED lamp bead is the same as that of the circuit substrate.
  • the length direction is vertical, the light emitting direction of the first side-emitting LED lamp bead and the light-emitting direction of the second side-emitting LED lamp bead are respectively parallel and opposite to the width direction of the circuit substrate, wherein the The positive-emitting LED lamp beads, the first side-emitting LED lamp beads and the second side-emitting LED lamp beads are connected in series with each other.
  • the positive-emitting LED lamp beads are full-color RGB lamp beads.
  • each light-emitting unit in the plurality of light-emitting units further includes the positive-emitting LED lamp bead, the first side-emitting LED lamp bead and the second side-emitting LED The lamp bead drop voltage and current limiting resistor element.
  • the flexible LED light-emitting strip further includes a transparent packaging strip, the transparent packaging strip extends along the length direction of the circuit substrate and covers the circuit substrate and is welded on the circuit substrate.
  • the flexible LED light-emitting light strip further includes a clipping indicator, and the clipping indicator is provided on the circuit substrate at a position between adjacent light-emitting units.
  • the flexible LED lighting strip further includes an external controller for powering it and controlling its lighting mode.
  • one end of the circuit substrate of the light-emitting strip is further provided with a control module for controlling its light-emitting mode.
  • a non-light-emitting side of the flexible LED light-emitting light strip is further provided with an adhesive film with double-sided adhesiveness.
  • both ends of the flexible LED light-emitting strip are further provided with a power input interface and a power output interface, respectively.
  • the power input interface is provided with 6 electrical connection plugs
  • the power output interface is provided with 6 electrical connection sockets.
  • the power input interface and the power output interface of the plurality of flexible LED light-emitting light strips can be connected end to end.
  • the beneficial effects achieved by the present disclosure are: the flexible LED light-emitting light strip of the present disclosure can not only emit light from the front to achieve the lighting effect; Decorative effect; it can also emit light on the front and two sides at the same time, taking into account the lighting and decorative functions.
  • FIG. 1 is a schematic perspective view of a flexible LED lighting strip of the present disclosure.
  • FIG. 2 is a cross-sectional view of the flexible LED lighting strip of the present disclosure, taken along the direction AA in FIG. 1 .
  • FIG 3 is a schematic perspective view of the flexible LED lighting strip of the present disclosure having a transparent encapsulation strip.
  • FIG. 4 is a cross-sectional view of the LED light-emitting strip of the present disclosure, taken along the direction BB in FIG. 3 .
  • FIG. 5 is a schematic diagram of a control module of the flexible LED lighting strip of the present disclosure.
  • the reference numeral 1 denotes a flexible LED light-emitting light strip of the present disclosure.
  • the flexible LED light-emitting light strip 1 includes a strip-shaped flexible circuit substrate 2 and is arranged along the length direction of the circuit substrate 2 and soldered on the circuit board.
  • the light emitting direction of the LED lamp beads 32 and the light emitting direction of the second side-emitting LED lamp beads 33 are respectively parallel to the width direction of the circuit substrate 2 and opposite to each other.
  • the positive light-emitting LED lamp beads 31 When used for lighting, the positive light-emitting LED lamp beads 31 use monochromatic white light or warm white light beads, and when used for decoration, the positive light-emitting LED lamp beads 31 are full-color RGB lamp beads.
  • the working voltage of common LED lamp beads is generally about 3V, so when this flexible LED light-emitting light strip 1 is produced for different voltages, there will be different lamp beads in series and parallel mode.
  • LED lamp beads are connected in series, and then a voltage divider resistor element 5 is connected in series to limit the current size and make the LED lamp beads work safely. Every three LED lamp beads and a resistor element 5 are connected in series to form a light-emitting unit 3, and then multiple light-emitting units 3 in parallel.
  • the light-emitting light strip 1 is often cut to an appropriate length as required, but if the light-emitting light strip 1 is cut at a certain position inside a light-emitting unit, the three LED lamp beads on the light-emitting unit will not emit light. Therefore, a clipping indicator 6 is also provided at the position between the adjacent light-emitting units 3 on the light-emitting light strip 1, and cutting the light-emitting light strip 1 from the clipping indicator 6 does not affect the function of the light-emitting light strip .
  • Both ends of the light-emitting light strip 1 are also provided with a power input interface 71 and a power output interface 72 .
  • the power input interface 71 is provided with four electrical connection plugs, one of which is a common terminal, and the remaining three electrical connection plugs are respectively the positive light-emitting plugs.
  • the LED lamp bead 31, the first side-emitting LED lamp bead 32 and the second side-emitting LED lamp bead 33 are powered. By controlling the on-off of the current on the electrical connection plug and the strength of the current, the power supply can be controlled.
  • the light-emitting mode of the light-emitting light strip for example, only the front side is light-emitting, or only one side is light-emitting, or both sides are light-emitting, and so on.
  • the power output interface 72 is correspondingly provided with four electrical connection sockets.
  • the power output interface 72 of one upstream lighting strip 1 can be connected to the power input interface 71 of another downstream lighting strip 1 .
  • the power input interface 71 is provided with 6 electrical connection plugs. Among the 6 electrical connection plugs, one electrical connection plug is the common end. The remaining five electrical connection plugs respectively supply power for the first side-emitting LED lamp bead 32 , the second side-emitting LED lamp bead 33 , the red LED chip, the green LED chip, and the blue LED chip.
  • the power output interface 72 is correspondingly provided with six electrical connection sockets. Similarly, the power output interface 72 of one upstream lighting strip 1 can be connected to the power input interface 71 of another downstream lighting strip 1 .
  • the power input interface 71 and the power output interface 72 of the plurality of flexible LED light-emitting light strips 1 only need to be connected end to end to form a Long strings will do.
  • the light-emitting light strip 1 further includes a transparent encapsulation strip 4 extending along the length direction of the circuit substrate 2 and configured to wrap or cover the The circuit substrate 2 and the positive-emitting LED lamp beads 31, the first side-emitting LED lamp beads 32 and the second side-emitting LED lamp in each of the plurality of light-emitting units 3 soldered on the circuit substrate 2
  • the beads 33 and the transparent encapsulation strip 4 play the role of waterproof and dustproof to the light-emitting light strip 1, and play the role of preventing electric shock to the user.
  • the LED lighting strip 1 further includes an external controller (not shown in the figure) for supplying power and controlling the lighting mode thereof.
  • the output end of the external controller is connected to the power input interface 71 of the LED light-emitting light strip, and the user controls the light-emitting mode of the LED light-emitting light strip 1 through the external controller.
  • one end of the circuit substrate 2 of the LED light-emitting light strip 1 is also provided with a control module 8 and a control button 9 for controlling its light-emitting mode.
  • the control button 9 can change the light-emitting mode of the LED light-emitting light strip 1. At this time, there is no need to connect an external controller, and it is more convenient and light to use.
  • the non-emitting side of the LED light strip 1 (eg, the back side of the circuit substrate 2 ) is also provided with an adhesive film with double-sided adhesiveness, which is convenient for quick installation at the required position.

Abstract

本公开提供了一种柔性LED发光灯带，包括：长条状柔性电路基板以及沿所述电路基板的长度方向排列并焊接在所述电路基板上的多个发光单元，所述多个发光单元彼此并联，并且所述多个发光单元中的每一个发光单元包括正发光LED灯珠、第一侧发光LED灯珠和第二侧发光LED灯珠，所述正发光LED灯珠的出光方向与所述电路基板的所述长度方向垂直，所述第一侧发光LED灯珠的出光方向和所述第二侧发光LED灯珠的出光方向分别与所述电路基板的宽度方向平行且互为反向，其中所述所述正发光LED灯珠、所述第一侧发光LED灯珠和第二侧发光LED灯珠彼此串联。

Description

柔性LED发光灯带
相关申请的交叉引用
本国际申请要求于2020年7月13日提交的中国实用新型专利申请No.2020213595158的优先权，该中国专利申请的全部内容在此以引用方式并入本文中。
技术领域
本公开涉及LED照明灯具领域，具体涉及一种新型的柔性LED发光灯带。
背景技术
LED发光灯带在日常照明中已经得到了广泛的应用，目前市场上的LED灯带主要分为正发光LED灯带和侧发光LED灯带，正发光LED灯带指光线从LED灯带的电路基板的正面发出，发光亮度高，一般强调的是其照明效果；侧发光LED灯带指光线从LED灯带的电路基板的侧面发出，一般发光亮度较低，光线比较柔和，主要起装饰效果。但现有产品功能单一，要么只具有照明效果，要么只具有装饰效果，不能同时从正面和侧面发光或者选择从某一个侧面发光。
公开内容
为了克服现有技术的不足，本公开提供一种新型的柔性LED发光灯带，所采用的技术方案是：
一种柔性LED发光灯带包括：长条状柔性电路基板以及沿所述电路基板的长度方向排列并焊接在所述电路基板上的多个发光单元，所述多个发光单元彼此并联，并且所述多个发光单元中的每一个发光单元包括正发光LED灯珠、第一侧发光LED灯珠和第二侧发光LED灯珠，所述正发光LED灯珠的出光方向与所述电路基板的所述长度方向垂直，所述第一侧发光LED灯珠的出光方向和所述第二侧发光LED灯珠的出光方向分别与所述电路基板的宽度方向平行且互为反向，其中所述所述正发光LED灯珠、所述第一侧发光LED灯珠和第二侧发光LED灯珠彼此串联。
在所述柔性LED发光灯带中，所述正发光LED灯珠是全彩RGB灯珠。
在所述柔性LED发光灯带中，所述多个发光单元中的每一个发光单元还包括为所述正发光LED灯珠、所述第一侧发光LED灯珠和所述第二侧发光LED灯珠降电压限电流的电阻元件。
在所述柔性LED发光灯带中，所述柔性LED发光灯带还包括透明封装条，所述透明封装条沿所述电路基板的所述长度方向延伸并覆盖所述电路基板以及焊接在所述电路基板上的所述多个发光单元中的每一个发光单元中的所述正发光LED灯珠、所述第一侧发光LED灯珠和所述第二侧发光LED灯珠。
在所述柔性LED发光灯带中，所述柔性LED发光灯带还包括剪裁指示标志，所述剪裁指示标志设置在所述电路基板上位于相邻发光单元之间的位置。
在所述柔性LED发光灯带中，所述柔性LED发光灯带还包括为其供电以及控制其发光模式的外部控制器。
在所述柔性LED发光灯带中，在所述发光灯带的所述电路基板的一端还设置有控制其发光模式的控制模块。
在所述柔性LED发光灯带中，所述柔性LED发光灯带的不发光的一面还设置具有双面粘性的粘结膜。
在所述柔性LED发光灯带中，在所述柔性LED发光灯带的两端还分别设置有电源输入接口和电源输出接口。
在所述柔性LED发光灯带中，所述电源输入接口设置有6根电连接插头，并且所述电源输出接口设置有6根电连接插座。
在所述柔性LED发光灯带中，多个所述柔性LED发光灯带的所述电源输入接口和所述电源输出接口能够首尾相连。
与现有技术相比，本公开实现的有益效果是：本公开的柔性LED发光灯带既可以从正面发光，起到照明效果；也可以从某一个侧面发光或两个侧面同时发光，起到装饰效果；还可以正面和两个侧面同时发光，兼顾照明和装饰功能。
附图说明
图1是本公开的柔性LED发光灯带的示意性透视图。
图2是本公开的柔性LED发光灯带的沿图1中的AA方向截取的剖视图。
图3是本公开的柔性LED发光灯带具有透明封装条的示意性透视图。
图4是本公开的性LED发光灯带的沿图3中的BB方向截取的剖视图。
图5是本公开的柔性LED发光灯带的控制模块的示意图。
附图中各标号含义如下：
1、柔性LED发光灯带；
2、柔性电路基板；
3、发光单元；
31、正发光LED灯珠；
32、第一侧发光LED灯珠；
33、第二侧发光LED灯珠；
4、透明封装条；
5、电阻元件；
6、剪裁指示标志；
71、电源输入接口；
72、电源输出接口；
8、控制模块；
9、控制按钮。
具体实施方式
以下结合附图对本公开的柔性LED发光灯带的具体实施方式作进一步说明：
如图1和图2所示，标号1表示本公开的柔性LED发光灯带，所述柔性LED发光灯带1包含长条状柔性电路基板2以及沿电路基板2的长度方向排列并焊接在电路基板2的正面(发光面或LED灯珠的安装面)上的多个发光单元3，所述多个发光单元3彼此并联，并且多个发光单元3中的每一个发光单元3包括正发 光LED灯珠31、第一侧发光LED灯珠32和第二侧发光LED灯珠33，所述正发光LED灯珠31的出光方向与所述电路基板2的长度方向垂直，所述第一侧发光LED灯珠32的出光方向和所述第二侧发光LED灯珠33的出光方向分别与所述电路基板2的宽度方向平行且互为反向。在所述发光灯带1中，所述正发光LED灯珠31、所述第一侧发光LED灯珠32和所述第二侧发光LED灯珠33彼此串联。
用于照明时，所述正发光LED灯珠31使用单色白光或暖白光灯珠，用于装饰时，所述正发光LED灯珠31是全彩RGB灯珠。
常见LED灯珠的工作电压一般为3V左右，所以当生产此柔性LED发光灯带1用于不同的电压下时，会有不同的灯珠串并联方式，比如用于12V电压时，需要将3个LED灯珠串联，再串联一分压电阻元件5以限制电流大小，使LED灯珠安全工作，每3个LED灯珠和一个电阻元件5串联组成一个发光单元3，再将多个发光单元3并联起来。实际使用时，常常根据需要将发光灯带1剪断为合适的长度，但如果在一个发光单元内部某一位置将发光灯带1剪断，则会造成该发光单元上3个LED灯珠不发光，所以在发光灯带1上的相邻发光单元3之间的位置还设置有剪裁指示标志6，从所述剪裁指示标志6处将所述发光灯带1剪断不影响所述发光灯带的功能。
所述发光灯带1的两端还设置有电源输入接口71和电源输出接口72。当正发光LED灯珠31是单色白光灯珠时，所述电源输入接口71内设置4根电连接插头，其中一根电连接插头是公共端，剩余三根电连接插头分别为所述正发光LED灯珠31、所述第一侧发光LED灯珠32和所述第二侧发光LED灯珠33供电，通过控制上述电连接插头上电流的通断和电流的强弱，便可以控制所述发光灯带1的发光模式，比如仅正面发光，或仅一个侧面发光，或两个侧面都发光等等。此时，所述电源输出接口72相应地设置有4根电连接插座。上游的一个发光灯带1的电源输出接口72可以与下游的另一个发光灯带1的电源输入接口71连接。
当所述正发光LED灯珠31是全彩RGB灯珠时，由于一个全彩RGB灯珠内部实际包含红色、绿色和蓝色三个LED芯片，红色、绿色和蓝色三个LED芯片分别通入不同强度的电流即可发射和混合出各种不同颜色的光，此时所述电源输入接口71设置有6根电连接插头，6根电连接插头中，一根电连接插头为公共 端，其余五根电连接插头分别为第一侧发光LED灯珠32、第二侧发光LED灯珠33、红色LED芯片、绿色LED芯片和蓝色LED芯片供电。此时所述电源输出接口72相应地设置有6根电连接插座。同样地，上游的一个发光灯带1的电源输出接口72可以与下游的另一个发光灯带1的电源输入接口71连接。
作为实施例，当使用者需要的发光灯带的长度大于单个柔性LED发光灯带1的长度时，只需把多个柔性LED发光灯带1的电源输入接口71和电源输出接口72首尾相连成一长串即可。
在实施例中，如图3和图4所示，所述发光灯带1还包括透明封装条4，所述透明封装条4沿所述电路基板2的长度方向延伸并构造成包裹或覆盖所述电路基板2以及焊接在所述电路基板2上的多个发光单元3中的每一个发光单元3中的正发光LED灯珠31、第一侧发光LED灯珠32和第二侧发光LED灯珠33，透明封装条4对所述发光灯带1起防水防尘作用，对使用者起到防触电的作用。
在实施例中，本LED发光灯带1还包括为其供电以及控制其发光模式的外部控制器(图中未示出)。外部控制器的输出端对接所述LED发光灯带的电源输入接口71，使用者通过外部控制器对所述LED发光灯带1的发光模式进行控制。
在实施例中，在不使用外部控制器的情况下，如图5所示，本LED发光灯带1的电路基板2的一端还设置有控制其发光模式的控制模块8和控制按钮9，通过控制按钮9可以改变LED发光灯带1的发光模式，此时不需要连接外部控制器，使用起来更加方便，轻巧。
在实施例中，所述LED发光灯带1不发光的一面(例如电路基板2的背面)还设置具有双面粘性的粘结膜，便于快速安装在需要的位置。
以上结合实施例描述了本公开的主要特征，技术原理及优点，上述实施例并不用于限制本公开，凡在不脱离本公开精神和原则的前提下，对本公开作出的任何修改，等同替换及改进，均应落入本公开保护的范围之内。

Claims (11)

  1. 一种柔性LED发光灯带，包括：长条状柔性电路基板以及沿所述电路基板的长度方向排列并焊接在所述电路基板上的多个发光单元，所述多个发光单元彼此并联，并且所述多个发光单元中的每一个发光单元包括正发光LED灯珠、第一侧发光LED灯珠和第二侧发光LED灯珠，所述正发光LED灯珠的出光方向与所述电路基板的所述长度方向垂直，所述第一侧发光LED灯珠的出光方向和所述第二侧发光LED灯珠的出光方向分别与所述电路基板的宽度方向平行且互为反向，其中所述所述正发光LED灯珠、所述第一侧发光LED灯珠和第二侧发光LED灯珠彼此串联。
  2. 按照权利要求1所述的柔性LED发光灯带，其中，所述正发光LED灯珠是全彩RGB灯珠。
  3. 按照权利要求1所述的柔性LED发光灯带，其中，所述多个发光单元中的每一个发光单元还包括为所述正发光LED灯珠、所述第一侧发光LED灯珠和所述第二侧发光LED灯珠降电压限电流的电阻元件。
  4. 按照权利要求1所述的柔性LED发光灯带，其中，所述柔性LED发光灯带还包括透明封装条，所述透明封装条沿所述电路基板的所述长度方向延伸并覆盖所述电路基板以及焊接在所述电路基板上的所述多个发光单元中的每一个发光单元中的所述正发光LED灯珠、所述第一侧发光LED灯珠和所述第二侧发光LED灯珠。
  5. 按照权利要求1所述的柔性LED发光灯带，其中，所述柔性LED发光灯带还包括剪裁指示标志，所述剪裁指示标志设置在所述电路基板上位于相邻发光单元之间的位置。
  6. 按照权利要求1所述的柔性LED发光灯带，其中，所述柔性LED发光灯带还包括一为其供电以及控制其发光模式的外部控制器。
  7. 按照权利要求1所述的柔性LED发光灯带，其中，在所述发光灯带的所述电 路基板的一端还设置有控制其发光模式的控制模块。
  8. 按照权利要求1所述的柔性LED发光灯带，其中，所述柔性LED发光灯带的不发光的一面还设置具有双面粘性的粘结膜。
  9. 按照权利要求1所述的柔性LED发光灯带，其中，在所述柔性LED发光灯带的两端还分别设置有电源输入接口和电源输出接口。
  10. 按照权利要求9所述的柔性LED发光灯带，其中，所述电源输入接口设置有6根电连接插头，并且所述电源输出接口设置有6根电连接插座。
  11. 按照权利要求9所述的柔性LED发光灯带，其中，多个所述柔性LED发光灯带的所述电源输入接口和所述电源输出接口能够首尾相连。
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