Continued………
5. There is a huge market for LEDlight bulb with plenty of products. Many of the LED bulbs are less expensive
and might be of low quality. A good quality LED light bulb would cost more than
the cheap ones because they use high-quality chips, this clearly shows that
although these LED light bulbs are more expensive, but they are far more
superior.
6. LED light bulbs cannot be
dimmed with traditional dimmer module. LEDs require constant current to
operate. Because of this, if a standard dimming method is applied, it will
flicker at regular intervals and may not function properly or will stop
working. In order to dim an LED light, a 0-10V dimming module is required in order
to "trick" the LED into emitting less light. In theory, all LED
lights are dimmable with this module.
7. While comparing LED lightbulbs, it is essential to understand and take into consideration the lumen
output. The lumen is a standard unit that is used to compare LED light bulbs to
standard bulbs, such as incandescent and halogen. Roughly, a lumen is a measure
of brightness. Lumen quantity is important, but maybe more important is lumen
quality, i.e., luminous efficacy (lumen/Watt). Today's LED quality has a
luminous efficacy between 60-70 lumens/watt.
8. Color temperature and beam
spread (area covered) are the other major factors to be considered while comparing
LED lights. Both color temperature and beam spread are measured in degrees.
Color temperature refers to the color of the light emitted. In general, 3000
Kelvin is warm white (closer to infrared light) and 5000 Kelvin is cool white
(closer to ultraviolet light). Cool white is brighter because it is the natural
color of LED light, whereas chips that emit a warm white light.
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