5921010313F Optoelectronics

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

LEDs (Light Emitting Diodes) are solid-state semiconductors that create light when a current passes through them. LEDs are universally being used as indicators in a wide range of industries, from industrial equipment displays and warning lights to telecommunications and automotive applications. For example, 5921010313F series are widely used in the fields of industrial equipment, stage lighting and aviation.

LEDs are used in various kinds of circuit board indicators such as arrays, light bars, and bar graphs. Depending on the application, they can be provided in two types: light-emitting and non-light-emitting indicators. Light-emitting indicators are integrated with LEDs and other components to enhance visibility with illumination. On the other hand, non-light-emitting indicators contain mechanical indicators like flags, dots, probes and needles, but no LED. LEDs are always used to present the status of a circuit by lighting up and pointing in one direction.

Array indicators are a cost-effective solution for many standard applications. Array indicators are composed of an integrated group of assembled LEDs. They save installation time by significantly reducing hookup wiring and component placement efforts. There are different types of array indicators: dot matrix indicators, seven-segment indicators, and linear indicators. Using an array indicator can give the same visual impression of multiple individual LEDs with fewer components on a device or board, providing an effective way of controlling multiple functions.

A light bar is an array of LEDs arranged in a linear display. Light bars can be used in signalling and status displays. The LEDs arranged along the bar can be individually activated and deactivated to indicate the bar’s status. Light bars are used in safety applications where visibility must be maximized to alert operators of power failure and other hazardous conditions.

LED bar graphs are displays with a linear array of LEDs which create a visible graphic representation. LED bar graphs are used to indicate level, pressure, or other parameters in applications where presentable and visible information is required. They are also used in combination with LED arrays when higher levels of accuracy and greater resolution over multiple output points are needed.

LEDs are straightforward and easy to maintain, with a long combination of practical features such as a long life-span, low power consumption, minimal maintenance need and fast response time. No matter if you need to lighting your entire display or count from one to ten, LEDs can be the perfect solution to your needs.

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