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Randy Ellis Design- What Is the Anatomy of an LED Light Bar Or Bulb

LED means light-emitting diode - A solid-state lighting device. It's called solid-state lighting because unlike incandescent and fluorescent lighting, LEDs don't contain any gases. An F150 Light Bar or bulb is powered by passing energy through a semiconductor (usually an element or compound that conducts electricity). A PN junction is formed when P-type ( ) and N-type (-) semiconductors are brought together.<br>

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Randy Ellis Design- What Is the Anatomy of an LED Light Bar Or Bulb

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  1. Randy Ellis Design- What Is the Anatomy Of An LED Light Bar Or Bulb? LED means light-emitting diode - A solid-state lighting device. It's called solid-state lighting because unlike incandescent and fluorescent lighting, LEDs don't contain any gases. An F150 Light Bar or bulb is powered by passing energy through a semiconductor (usually an element or compound that conducts electricity). A PN junction is formed when P-type (+) and N-type (-) semiconductors are brought together. Discover the parts that make up the Anatomy of a LED below: Lens/Optics Because LEDs are very bright, a lens (or optic when it comes to Omni-directional lamps) is used to distribute the light evenly. This gives LEDs the appearance and feel of traditional light bulbs. It is also usually made of plastic to reduce the possibility of them shattering. ED Chips There are two main types of LED chip configurations used by TCP. The first is the K series, which has a small yellow LED attached to a piece of metal, called the PCB (printed circuit board). In a chip on board (COB) system, there is a single LED chip on the PCB that creates a clean, uniform beam pattern Discrete: multiple LED chips on the PCB

  2. Heat Sink The heat sink is the metal surface that the LED chips rest on. Heat needs to be conducted away from the LED and then cooled, and this is where the heat sink comes in. They provide the path through which heat travels from the F150 Light Bar source to the outside world. Circuit Board/Driver The LED driver is similar to the ballast in fluorescent lamps in that it controls the LEDs on and off, dims them, and sometimes changes the color of the LEDs. The LED driver is also designed to protect LEDs from a voltage or current fluctuations. A change in voltage could change the current flowing to the LEDs. LEDs are designed to run on low voltages (12-24V), but many are also capable of running at higher voltages (120-277V). Housing The circuit board heats up when energy passes through it, so heat-conductive housing is needed to prevent it from overheating. The aluminum housing will still be warm to the touch, but it won't be as hot as halogen, incandescent, or fluorescent lighting.

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