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LED strip lights are becoming more and more popular for home lighting. More than likely you have heard the argument for LEDs over incandescent and even halogen bulbs: they are more efficient, brighter, longer lasting, they don’t produce much heat, they are easily controlled and programmed… the list goes on and on. LEDs come in extremely compact, durable packaging which has opened the window for imaginative lighting ideas.
Did you know that LED lights can have a lifespan of more than 25,000 hours and be up to 7 times more efficient than conventional light sources? That's because LED lights are more efficient at converting electricity into light, and they are steadily replacing incandescent light bulbs around the world.
Best of all, now you can buy LED strip lights to create mood lighting both indoors and outdoors! They can be installed virtually anywhere and cast a bright light in the color of your choice.
Having accepted that LED lighting is superior to other light sources, you need to know the technical jargon that is used to describe their features. Here are some of the main factors to consider when choosing an LED strip.
There are three basic types of LED strip to choose from: Single-color (including white), Adjustable white, and Color changing RGB. We will describe other other types of strips too, but they are all based on these basic concepts. Your application will determine which type of strip is most appropriate.
This characteristic applies specifically to white LED strip. White LED strip is specified according to its color-temperature, which is measured in Kelvin. A high Kelvin value gives a bluish-white light known as "cool white" whereas a low Kelvin value gives a yellowish-white light known as "warm-white".
What type of white you require will again depend on your application. Commercial spaces, medical rooms and workshops generally suit cool white lighting while entertainment or hospitality areas and residential applications generally suit softer warm white lighting.
This parameter of an LED strip is a measurement of how completely it delivers the full light spectrum. A low-CRI strip (70 or less) will be missing some areas of the white light spectrum which means that objects will not appear the same color as under natural lighting. It follows that high-CRI (80 or higher) LED strip is preferred for a stable color appearance between natural lighting and artificial lighting. We have another blog post which discusses in detail about CRI ratings.
The density of an LED strip refers to how closely together the individual LED chips are mounted on the strip. This specification is measured in LEDs / meter. Higher numbers of LEDs per meter offer either increased light output or smoother lighting (dot-free) behind a diffuser, or a combination of both advantages.
Single-color and RGB LED strips are commonly available in 12V or 24V DC options. On the other hand, pixel LED strips are usually rated at 5V DC. You will need to take the voltage into account when selecting an appropriate power supply or controller. Read our blog to help you choose between 12V and 24V strip.
The power rating of an LED strip is an electrical specification measured in Watts per meter (W/m). This depends on the type of individual LED chips it uses, combined with the density at which those chips are installed. This specification is necessary for you to determine what rating power supply is required for the installed length of strip.
The light output, or brightness, of an LED strip is measured in lumens per meter (lm/m). This factor is important when determining the total length of LED strip required to achieve a desired light level in the space being lit. Alternatively, a strip with a low light output may be deliberately chosen for accent lighting which is specifically not intended to provide primary room lighting. The light output of a strip is affected by:
LED strip consists of a PCB (printed circuit board) backing onto which the individual LEDs are mounted. Most LED strips consist of a flexible "tape" PCB which is fixed into place with double-sided adhesive tape. There is a special type "bendable" LED strip which has regular folds in the PCB, allowing it to be bent in two planes for curved lighting. Lastly, LED strip is also available on a rigid PCB for self-supporting installations. Rigid PCB strip is only available in short lengths compared to LED tape.
LED strip is available in various widths. The width of your strip needs to be taken into account when matching to your desired LED channel to ensure that it fits inside the profile.
LED strip consists of a flexible PCB "tape" onto which the individual LED chips are mounted. At regular intervals, the strip is marked with a cutting position between the LEDs. This cutting position also provides solder points for connecting the supply to the strip. To avoid dead spots, this cutting pitch should be taken into account when planning the cut length for the LED profile you intend to install the strip into.
Standard LED strip typically consists of flexible printed circuit board with surface-mounted LED chips on it. This type of strip is not water-resistant and should only be used indoors in dry environments. But most LED strip series are also available in an IP68 rated waterproof version. These strips are encapsulated in a silicone layer to seal them from moisture and are suitable for use in outdoor and in wet area lighting.
Wired4Signs stocks a selection of high quality LED strips which are manufactured in Europe and are TAA compliant. We offer short lengths of LED strip for consumer projects as well as full length contractor rolls.
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