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heatsink structure
secondary optical design
Heat sinks used with LEDs are designed to absorb and disperse excess heat away from the LED diode and into the heat sink. Passive or active air then circulates around the heat sink to help cool it. Too much heat will damage LED phosphor, resulting in lower light output, changes in color and or a significant decrease in life expectancy.  Unfortunately, the most common issue we see in LED lighting applications stem from too small of a heat sink or none at all.  To avoid these thermal issues we offer a wide variety of LED heat sinks below, which include: anodized extruded linear heat sinks, LED housings, LED light engine housings, aluminum stock and small finned heat sinks.  To learn more about why you need an LED heat sink take a look at this article here.
In electronics, an LED circuit or LED driver is an electrical circuit used to power a light-emitting diode (LED). The circuit must provide sufficient current to light the LED at the required brightness, but must limit the current to prevent damaging the LED. The voltage drop across an LED is approximately constant over a wide range of operating current; therefore, a small increase in applied voltage greatly increases the current. Very simple circuits are used for low-power indicator LEDs. More complex, current source circuits are required when driving high-power LEDs for illumination to achieve correct current regulation.
LEDs generally emit light at a 120-degree viewing angle.  LED applications that require more focused light often use a secondary optic that is placed over the LED, which internally reflects light into a spot, medium spot, wide spot or elliptical spot pattern.  Most optics are cone shaped and need an optic holder to hold the lens in place over the LED.  The lens itself clips securely into the holder, but the holder does need to be externally adhered.  In the case of LED stars, optic holders have four legs that sit down into the grooves of the star board.  Triple LED stars are built with three holes in the star board for the legs of the optic.
Lighting structure design
Application in real situation
LED safty design
The LED structure is covered in a dome-shaped silicon or epoxy resin layer. It defines the light distribution angle of the dome or bubble LED, which can vary from a narrow beam to a wide angle. An LED (light-emitting diode) is a light-emitting element using semiconductor material.
The useful life of LED lighting products is defined differently than that of other light sources, such as incandescent or compact fluorescent lighting (CFL). LEDs typically do not “burn out” or fail. Instead, they experience ‘lumen depreciation’, wherein the brightness of the LED dims slowly over time. Unlike incandescent bulbs, LED “lifetime” is established on a prediction of when the light output decreases by 30 percent.
Unlike normal lights that use a filament heated by an electric current to create and emit light, LED lights (which stand for light-emitting diode) are semiconductor diodes that emits energy in the form of light when they are turned on. When enough electricity is provided, the energy is released in the form of photons, a process called electroluminescence.LED lights have actually been around for more than 50 years, although the initial variety emitted low-intensity infrared light. Red LEDs developed into blue LEDs a decade later, followed by the white LEDs that we see in thousands of applications today. Currently, LED lights come in a variety of intensities across the visible and invisible spectrum of light and are characterized by intense brightness using a limited amount of electricity.