INTRODUCTION: The Gloled light-emitting diode (LED) is today’s most energy-efficient and rapidly developing lighting technology. Quality LED light bulbs last longer, are more durable, and offer comparable or better light quality than other types of lighting
Difference lighting in Government Projects A street light, light pole, lamppost, street lamp, light standard or lamp standard is a raised source of light on the edge of a road or path. Oil lamps, kerosene lights, gas lighting, arc lighting, incandescent light bulbs, fluorescent lights, Mercury vapor lighting, sodium vapor lighting, Compact Fluorescent Lighting (CFL), Light Emission Diodes(LED) etc. is the evolution of the lighting. Since the prevalent light sources i.e. incandescent/CFL bulb consumed more energy than these LED based products for similar illumination properties, replacement of conventional light sources with LEDs started gaining ground. India’s 35 million street lights consume 1.5 percent of the country’s energy—equal to all the energy consumed by Costa Rica every year
It is the measure of the total energy radiated from a light source in all directions, taking into account the varying sensitivity of the human eye to different wavelengths of light. SI Unit of luminous flux is lumen. It serves as the basis for calculating other parameters and can be used for comparing different light sources.
It is the measure of the luminous flux emanating from a point source within a solid angle of 1 steradian. The SI unit is Candela i.e. lumens per steradian.
Lumen is the measure of luminous flux with respect to the energy consumed to produce it i.e. it is the ratio of luminous flux to power. The SI unit is lumens per watt. Luminous efficacy gives an understanding of the energy consumption by the LED to produce a certain level of illumination.
Chromaticity is an objective specification of the quality of color emitted by a luminary source i.e. hue and saturation. Hue is the attribute of by which the light is discernible into its dominant wavelength or color. Saturation determined by a combination of light intensity and the distribution of the intensity across the spectrum of different wavelengths. As the human eye has 3 type of color sensors, the full plot of all visible colors is a 3 dimensional area with 3 tristimulus value: Luminance or brightness, hue and saturation. Chromaticity coordinates are determined by projecting the values in the tristimulus coordinate space into coordinates in chromaticity space through mathematical conversion.
A measure of the color of a light source relative to a black body at a particular temperature. It is based on the Kelvin Color Temperature Scale and is measured in degrees Kelvin (K). The figure below gives the range of color temperature for different color of the light source. Usually, incandescent lights have a low color temperature of approx. 2800K while white LED Lamps have a color temperature value between 2700-3500K. Color temperatures over 5000K are considered cool colors i.e. bluish white while lower temperatures around 2700-3000K are called warm colors i.e. yellowish white through red.
GLO LED Private Limited is a leading manufacturer and supplier of LED lighting solutions. GLO LED provides end-to-end solutions, from Consulting, Design, manufacturing, Supply, and Product Installation. The company has the expertise to deliver the orders to a wide range of industries
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