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Introduction to LED Strip Light LED flexible strip light / LED PU colloid light / LED bare board light / LED epoxy light / LED tube light 4

Introduction of various types of LED flexible strip lights:


1.What is flexible strip light:
The SMD LED is directly printed on a 100 cm PCB soft board, and each piece of 100 cm is soldered to a length of 500 cm. The body is flexible within a certain specification, and can be cut to the required length according to the mark, called a flexible strip light.


Figure 1: Schematic diagram of the length of the flexible strip


Figure 2: Schematic diagram of flexible strip light packaging

2.LED types often used for flexible strip lights:

  •  Monochrome standard: SMD 3014 / SMD 2835 / SMD 3030 / SMD 5630 / SMD 5050
  •  Two-color standard: SMD 3014 / SMD 2835 / MD 3030
  • l Full color standard: SMD / 3014 / SMD 2835 / SMD 5050
  • l Special LED: SMD 5050 IC LED, LED with IC current limiting version, LED with IC control version

Note 1: The descriptions not listed above are all customized LEDs.


3.Selection of voltage for flexible strip lights:

  • DC DC5V, need to purchase additional power supply
  • DC DC12V, need to purchase additional power supply
  • DC DC24V, an additional power supply is required
  • AC 110V, with bridge rectifier attached to the front end
  • AC 220V, with a bridge rectifier attached to the front end

Note: The DC flexible strip lights are for DC use, and there is no doubt about electric shock.

4.Appearance of flexible strip light production types:

  • Bare layout: PCB background color is white or black, the LED light spot can be seen by naked eyes after lighting
  • Silicone sleeve type A: Milky white, no LED light spots can be seen after lighting
  • Silicone sleeve type B: transparent, the LED light spot can be seen by the naked eye after lighting
  • PU glue type: milky white / transparent, the LED light spot can be seen by the naked eye after lighting
  • PU glue type: milky white / transparent, the LED light spot can be seen by the naked eye after lighting
  • PU colloid type: milky white, no LED light spots after lighting

5.The luminous form of the flexible strip light:

  • Front light: for sideline or straight line installation:

After lighting, the naked eye can directly see the LED light spot, which is often used in general lighting/camping lights/contour lights/guide lights/indicators...
The indirect light source that draws light out through space or guidance is often used in advertising word boxes/art lamps/decorative indirect light sources/closet lights/shoe cabinet lights...

  • Side light: Mainly used for curved surface or modeling installation, such as fonts/car lights/decoration/landscape lights...
  • 3 side light / 3D light bar:Mainly installed in round or square shape, often used for indicator lights/bar table lights/box frame lights...

6.The type of flexible strip light using protection production:

  • Bare board type: LED and PCB soft board without any protection, can directly contact the mold, usually DC use, often used in interior decoration or special artistic modeling lights. (Dustproof and waterproof grade IP20 or IP30)


Figure 3: Bare board
  •  Silicone sleeve type A: A specific type of sleeve is injected through the silicone material, and then the LED is placed in this sleeve, which is generally used to replace the neon tube. (Dustproof and waterproof grade IP54 / IP65 / IP66 / IP67)


Figure 4: The left picture with silicone sleeve type A, the right picture with silicone sleeve type B

  • PU dripping type: Use dispensing equipment, dripping method, cover the surface of LED and PCB with a layer of protective colloid, this model can reach IP65 moisture and waterproof, suitable for installation in eaves or shelters. (Dustproof and waterproof grade IP65)

Figure 5: Drop glue type

  • PU glue type: LED and PCB soft board are integrally wrapped in PU glue, so that the flexible strip light can be directly used in outdoor or low-temperature environments, such as underwater 3 meters / freezer light. (Dustproof and waterproof grade IP68)

a5f426b937ea53a66c09e775980c3978.jpgFigure 6: Glue filling type 

  • PU colloid type: Put the LED and PCB soft board into a customized container filled with PU colloid, which has excellent light conductivity and weather resistance. This is an upgraded version of the sleeve type, which improves the waterproof and brightness problems, and the appearance is smooth and smooth. Not easy to be contaminated with dust, (dustproof and waterproof grade IP68)

Figure 7: PU colloid

7.Advantages of Hengxin Prodigital Technology Soft Strip Light:
  • Using high-quality EPISTAR LED chip, the life is relatively stable.
  • The appearance of special material is not easy to stain dust, acid and alkali resistance.
  • The special material can withstand temperature shocks and can be used in an environment of -40 degrees without embrittlement of the colloid due to low temperature.
  • It is produced with special materials, and the color temperature does not cause the color temperature error due to material factors. The customized range is 1900 ~ 7500K.
  • There are many options for the number of LEDs, such as 30 LED / 60 LED / 72 LED / 96 LED / 144 LED / 288 LED per meter.
  • The length can also be customized, single color 10~15 meters, full color 25~50 meters double-ended power supply, diving/swimming pool... etc.
8.Application example:

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Prodigital Technology provides experienced planning services and customized product selection. Welcome to call or email us!

Company phone:03-5518912

E-mail: da_chiu@prodigital.com.tw

Web: www.prodigital.com.tw

Line: 0918467886 (Business/Technical Consulting)

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Catalog download        Online form 

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  Full color 25 meters IP68       Full color 25 meters IP68          Indoor indirect light source


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