High Power LEDs and their Applications

High Power LEDs and their Applications

High Power LEDs and their Applications

History of LEDs

LEDs are not new in the world technology, yet some of their applications are relatively new. First discovered in 1907, the first LED was created in 1920. Unfortunately, the LEDs were not employed in any kind of practical application for several years.

With the introduction of new technologies and inventions, LEDs were utilized mainly as indicators as well as other smaller lighting applications. But later, the technology was eventually used in gadgets such as watches, radios, telephones and other appliances. Also, LEDs were first developed in red, and later on developed to create other colors, making them a fun lighting source for such applications as Christmas lights and decorations.


Power LEDs and their applications

LEDs are staples of signage and also signal applications. With the much wider utilization of high power LEDs, the variety of applications is always expanding to practically endless proportions. High power LEDs are driven at currents from mA to more than an ampere, compared to the tens of mA for other LEDs. Until recently, their application has been limited due to the need for massive heat sinks and thermal management issues. The most recent developments have established the capacity to control and manage brightness levels without “hot spots” and “not spots” for further efficiency improvements.

High power LEDs are now being used for an almost unlimited variety of applications including the followings.
* Accent lighting applications such as contour lighting, stairway lighting, pendants, displays, and front panels.
* Outdoor lighting applications such as floodlights and landscape lighting.
* Specialty lighting applications such as Flashlights, reading lamps, security lighting and lots more.
Architects, Technicians and also Security Experts have growingly increased LED utilization in their key designs for effectively replacing standard incandescent, halogen, as well as fluorescent design lights. The major selling points in these applications are the ability to meet new environmental standards and the ability to reduce the overall carbon footprint of a building. High Power LEDs also enjoy a longer operating life that practically eliminates the need for maintenance.

High power LEDs also offer many additional benefits including:
* Silicone lens technology
* Saturated color spectrum
* Special “design-to-fit” secondary optics
* Low thermal resistance
* Full dimming capabilities and lots more



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