How to explain “Flux/luminous Flux “?
RE: Luminous flux is the measure of the perceived power of light
produced by the LED, adjusting to reflect the varying sensitivity
of the human eye to different wavelengths of light.
Why we use the high power LED ? RE: A high power LED, sometimes referred to as a power LED, is one
that is driven at current of 350mA or higher.
How to explain “illuminance“?
RE: The intensity of light falling on a surface area. If the area
is measured in square feet, the unit of illuminance is
footcandles(fc). If measured in square metres, the unit of
illuminance is Lux.
What’s efficacy about the light ?
RE: The light output of a light source divided by the total
electrical power input to that source, expressed in lumens per
watt(lm/w).
How important is IP ?
RE: Classifies and rates the degree of protection provided against
intrusion (body parts such as hands and fingers), dust, accident
contact, and water by mechanical casing and electrical enclosures.
What’s LED Chips ?
RE: The light producing semiconductor device that may or may not be
incorporated into an LED.
Could i tell you what’s LED driver ?
RE: An electronic circuit that converts input power into a current
source -a source in which current ramains constant despite
fluctuations in voltage fluctuations ,overvoltages, and voltage
spikes.
What’s LGP(PMMA)?
RE: A key component to maximize the uniformity of light, to make
the backlight slim and to reorient the line or dot light source
such as LED to the plate light source.
What’s Lumen?
RE: The international (SI) unit of luminous flux or quantity of
light and equals the amount of light that is spread over a square
foot of surface by one candle power when all parts of the surface
are exactly one foot from the light source.
What’s Power factor ?
RE: The active power divided by the apparent power (i.e product of
the rms input voltage and rms input current of a driver.)
What’s Smart Lighting ?
RE: Automated lighting control using sensors and /or scheduling
switches.
What’s Watt ?
RE: The unit of electrical power as used by an electrical device
during its operation. Many lamps come with rating in watts to
indicate their power consumption.
How to explain “ZigBee“ ?
RE: A low -power ,low date rate, local area wireless network; ideal
for lighting control.
How to explain “lumen output “ ?
RE: The total lumens emitted of a light source, system, or
solution.
How to explain “luminous Efficacy“ ?
RE: A measure of how well a light source products visible light
expressed as lumens /Watt.
