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LEDs - Circuit Board Indicators, Arrays, Light Bars, Bar Graphs

Light-emitting diodes, also known as LEDs, are special semi-conductor based components for producing light. LEDs are utilized as indicator lamps in many devices and in illuminated displays. LEDs are made in multiple sizes, shapes, power ratings and colors. They are installed onto circuit boards to provide a visual electronic signaling response. LEDs can be used in a variety of device applications, such as consumer electronics, automotive, computers and home appliances. Additionally, LEDs are also used in communications, outdoor, automotive and industrial applications.

LEDs are used in various applications because of their relative low power consumption, fast switching, long lifespan and good visibility. The advantages offered by LEDs make them an ideal option for many applications, including cell phones, appliances, medical devices, home automation, automotive and industrial components.

LEDs come in a variety of configurations, including circuit board indicators, arrays, light bars, bar graphs and more. Circuit board indicators are typically used for input/output (I/O) indicators, as well as for control purposes. These indicators are commonly installed into circuit boards. LED arrays are commonly used for building logos and symbols on circuit boards. Additionally, LED arrays are used for applications in the entertainment industry and for architectural lighting.

LED light bars are found in many applications. They are used in video boards, electronic billboards, exterior displays, direction indicators and other signage applications. Also, LED light bars are used in automotive brake lights, tail lights and instrument light clusters.

Bar graphs or strip displays are another type of LED application. Bar graphs are used in electronic fuel gauges, automotive displays, audio graphic equalizers and other display components.

The working principle of LEDs involves the process of forward biasing whereby electrons and positively charged holes combine at the junction of the semiconductor material. This process releases energy and causes a photon to be emitted. As a result, light is propagated from the diode. The amount of light that is emitted depends on the power rating and size of the diode.

LEDs are versatile components that come in multiple configurations and power ratings. Designers can select from a variety of sizes and colors, as well as from circuit board indicators, arrays, light bars and bar graphs. LEDs are suitable for a range of applications, and they offer low power consumption, fast switching and long lifespans.

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