What is Luminous Flux ?
Luminous Flux (Φv) is energy per unit time (dQ/dt) that is radiated from a source over visible wavelengths. More specifically, it ...
25
Jun
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22
Jun
What is Luminance ?
Luminance a measure (in candelas per square metre) of the brightness of a point on a surface that is radiating or reflecting light...
20
Jun
What is Luminous efficacy ?
Luminous efficacy is a property of light sources, which indicates what portion of the emitted electromagnetic radiation is usable ...
18
Jun
What is Luminous intensity ?
Luminous intensity is the radiating power of a source of light in a particular direction, weighted with the spectral sensitivity o...
16
Jun
What is lumen (lm) ?
The lumen (symbol: lm) is the standard unit for the luminous flux of a light source. It is an SI derived unit based on the candela...
11
Jun
What is the led chip ?
LED Light Emitting Diode (LED) is a solid-state semiconductor devices, which can convert electricity directly into to light. LED’s...
08
Jun
What is IP Rating ? Definition
IP rating also named as INTERNATIONAL PROTECTION, is defined by the IEC (INTERNATIONAL ELECTROTECHNICAL COMMISSION). It’s for grad...
06
Jun
What is Illuminance ? Definition
Illuminance is the total amount of visible light illuminating (incident upon) a point on a surface from all directions above the s...
02
Jun
What is Candela (CD) ?
The candela (abbreviation, cd) is the Standard International (SI) unit of luminous intensity. Like other SI base units, the candel...
28
May
Species of LEDs and different LED Sort
In the 60’s, with the LED into the business after decades of development, has developed a number of species, the largest category ...