Lighting. Tuesday , September 25th , 2018 - 11:08:56 AM
Whether you are thinking about installing new lighting in home or upgrading the existing one, looking to shine your favorite showcases, or adorn your backyard swimming pool with dramatic lighting, LED is always there as an option for you. LED luminaries are actively creating enchant and colorful environment in every possible sector like industrial, commercial, residential, security, public places, hospitals, automobiles and electronics. LED has registered its presence in widespread area and yet expanding with numerous possibilities.
For businesses where lights are in continuous use all year round LED is an obvious lighting choice. Long life ensures maintenance costs are low and the initial cost of replacing lamps is offset by substantial energy savings during the lifetime of the bulb. A high profile example of this is John Lewis' decision in November 2012 to turn its back on ceramic metal halide lamps and install LEDs throughout its new Ipswich branch.
Now we can take the color of our light source that we are looking at and compare it with the Color Rendering Index (CRI). The CRI of a light source compares the color of the source to a Black Body color index of the same color temperature. The maximum Color Rendering Index number that is possible is 100. The higher the CRI of your light source the more natural colors will appear when illuminated by it. Light sources with a low CRI will distort the colors that are viewed with them.High (above 80) CRI is preferred in the home. ENERGY STAR requires that qualified fixtures have lamps with CRI above 80. Daylight and all incandescent and halogen light sources have a CRI of 100 and they are excellent at rendering color. For a warm lamp, the CRI is a measure of how close to incandescent color it is, and for a very cool lamp the CRI is how close to daylight it is. The lamps CRI should be listed in the Manufacture's literature.
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