Recent Posts
May 13, 2014 cd value

Luminous Intensity in Our Daily Life and for Home Use

What is Luminous intensity and Candela We all know that luminous intensity is light intensity. In photometry, luminous intensity is a measure of the wavelength-weighted power emitted by a light source in a particular direction per unit solid angle, based on the luminosity function, a standardized model of the sensitivity of the human eye. The SI unit […]


May 4, 2014 illuminance-1

Recommended Illuminance For Home Use

First let us know more about illumination Illuminance means the illuminated object’s luminance fluxes per unit area. (lm/㎡), the unit is Lux. It can be measured by illuminometer/luxmeter and can be classified as horizontal illuminance and vertical illuminance. 1Lux means the brightness that 1 lm averagely distribution in 1 square metre place. (1 Lux = 1 lm/m2). […]


Apr 28, 2014 lights

Do You Still Buying Bulbs Based on Watt?

As the occurrence of kinds of energy-saving bulbs and as a lot of people are becoming more and more familiar with the lumen knowledge, recently, all the countries are keep emphasizing that lumen is the standard when buying a bulb. That will probably change a lot of customers’ established habit or  attitude  that buying bulbs based on the watt. […]