LED PCB Design

What are LEDs PCB board and LED PCB designs?



LED is an acronym for light emitting diode, which is semiconductor diodes. The LED is soldered to the printed circuit board and features a chip that creates the light as electrically connected. A thermal heat sink and a ceramic base are used to bond the chip. Needless to say, LED PCB is the core of LED lighting, and an LED PCB is easy to create a high volume of heat, but making it hard to cool with traditional methods. So metal core PCB is widely used in LED application because of their enhanced ability to dissipate heat, especially aluminum is often used to fabricate PCB for LED lights. In general, the aluminum PCB contains a thin layer pf thermally conductive dielectric material that can transfer and dissipate the heat with much greater efficiency than a traditional rigid PCB.



Now SMD packaging type is the most widely used packaging form in LED applications. In general, it’s limited for the light emitted from a single LED component. So multiple LED components would be used for a single light fixture to achieve sufficient light. Like other semiconductor devices, PCB is the best method to electrically connect the LED components. And a PCB with LED components soldered is usually called as “LED PCB”.



LED PCB Board

The advantages of LED PCB



With the electronic products is more and more smaller and thinner, making it popular to use LED PCB, and there are various advantages with using LED PCB as follows:

· Lightweight, low profile

· dimensional stability

· thermal expansion

· heat dissipation

· Lower cost backlit membrane switch

· Dust and moisture resistant

· Make it easy to integrate into complex interface assemblies

· Efficient low power consumption

· Available in a wide variety of sizes, colors, and intensities

· May be used in silver flex membrane switches and copper flex membrane switches.



There are two main reasons which make the LED PCB be popular in addition to increasing the light output of the fixture with integrating multiple LED components.

1. It’s easy to tune the color function by integrating the LED components with different color temperatures or different colors into the same PCB.

2. It can achieve the various light fixtures to meet different lighting requirements with the boards that have different shapes, sizes and materials.



The LED lighting industry



LED lighting or light emitting diode is an increasingly popular lighting solution, so it’s popular to improve longevity and reduce environmental impact. There are some benefits of LED lighting for traditional methods as follows:

Lower power consumption: great LED lights with high quality can be six to seven times more efficient than traditional incandescent lights. On average, switching your home from incandescent lighting to LED lights can cut your energy use by more than 80 percent.

Longer Lifespan: LED light bulbs can have a life of over 25,000 hours, or three years of 24/7 use, which is 25 times longer than any traditional light bulb. So it saves you the time, money and effort involved in purchasing and installing new bulbs.

More Efficient: Traditional incandescent light bulbs release 90 percent or more of their energy as heat. LED lights cut this by up to twenty percent. It means more of your energy is going into lighting your home, and less into unnecessarily heating it.

Very Compact: LED lights have various sizes and types in applications due to their small size. It means manufacturers can insert LEDs into anything from computers and smartphones to cars and traffic lights.
Mercury Free: LED lights contain no mercury, unlike more traditional options. So LEDs have a smaller environmental impact than traditional bulbs and can be more easily disposed of, without special disposal procedures.
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