LED is a light-producing semiconductor which discharges light when electric current moves through it. The electrons present in the semiconductor get attached with electron holes and release photons (energy). The shade of the light is dictated by the vitality required for electrons to overcome the bandgap of the semiconductor. White light can be generated by a film of a light-emitting phosphor on the device.

The earliest LEDs, which was developed in around 1962, used to emit infrared lights of low intensity. Infrared LEDs have found its use mostly in remote control circuits which can be found in equipment linked with consumer electronics. Modern LEDs come with ultraviolet, infrared and visible wavelengths with the high light output.

LEDs have several advantages over an incandescent light. They are:

• Long Lifetime
• Small Size
• Fast switching
• Improved physical robustness

LEDs have found its use in automotive headlamps, traffic signals, plant growing light, aviation light, medical devices, lighted wallpaper, camera flashes, plant growing light, and advertising.

In contrast with a laser, the light that is released from an LED is neither highly monochromatic nor spectrally coherent. Still, its spectrum is adequately narrow that it can be recognized by the human eye as a saturated color.

High Power LEDs

High Power LEDs are referred to as those LEDs that have higher brightness as well as power and is much costly as compared to that of small LEDs. The most common rating of an LED is 20mA. Any LED that has a higher rating than this can be said to be a high power LED. Generally, the power rating is 10w, 8w, 5w, 3w, 1w, 0.5w, 0.25w and so on. The brightness of small power LEDs is in mcd while that of the high power LEDs is calculated in lm. Presently, high power LEDs are utilized in flashlights, automobile lights, lighting fixtures, etc. 

High Power LEDs can be categorized into 3 types:

• The first type is classified according to the rating power. It can be 100W, 90W……10W, 5W, 1W, 0.5W.
• The second type is the way it is packed. It includes simulated superflux epoxy package, large dimension epoxy package, MCPCB package, power SMD package, TO package, MCPCB integration package, etc.
• The third type is according to the extent of luminous decay. It includes non-low as well as low luminous decay High Power LEDs.

High power LEDs are vitality productive structure which generates adequate lumen yields perfect for mainstream lighting applications. High Power LEDs provides one of the best solid-state light source allowing the user to find out some of the creative ideas related to lighting. The high power LEDs come in both O’Ring as well as Star configurations. Both of this configuration provides the best possible color temperature as well as color rendering capabilities. With an ostensibly related shading temperature of 3200K, nearest to the customary indoor light source, it is especially fit to architects and light planners.

This was all we have regarding High Power LEDs – White. Hope you liked going through it. Brands that manufacture them are Cree, Lumileds, and OSRAM. Make sure to check them out using the links as provided.

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