593222221302F

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

Light-emitting diodes (LEDs) are small, efficient semiconductor devices that light up when electricity is applied. In addition to semiconductor technology, LEDs also employ complex circuit board indicators, arrays, light bars and bar graph displays. These devices provide a wide range of display functions from tracking small changes in current to providing visual feedback of the status of a system.

Indicators

Indicator LEDs are small and compact and are integrated into circuit boards to indicate whether the system, such as a data bus, is active and communicating. They usually have a two-color design, featuring either a red or green glow. Most indicators use low electrical power and can be used in various applications.

Arrays

LED arrays are used in a variety of applications. For example, they can be used in home lighting systems to vary the amount of light in a room. In other applications, they can be used to display multiple colors, and can also be used as a spread spectrum display device. The technology used in LED arrays allows for faster switching between colors.

Light Bars

Light bars employ LEDs which are arranged in linear patterns and packaged on circuit boards. These devices provide visual cues to alert individuals to a change in the environment. Commonly used in the automotive and military industries, light bars have several colors to choose from depending on the application.

Bar Graphs

Bar graph displays are constructed from LEDs in a linear or array configuration. These displays are used mainly to show the amount of current flowing through a system, or to detect changes in the current. LED bar graphs offer a larger viewing angle than other LED displays, while providing an aesthetically pleasing effect.

Conclusion

LEDs are a versatile technology that can be used to create a variety of smaller, more efficient circuit board indicators, arrays, light bars and bar graph displays. While each of these devices provides its own unique function, they all add up to create a powerful system of visual communication. From automotive and military applications to home lighting systems and data management, LEDs provide a wide range of visual communication and feedback. With technology ever evolving, LEDs are sure to continue to find new and innovative uses.

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