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LEDs are the most popular and economical method for keyboard backlighting. Embedded LEDs are most often used to illuminate small areas of a membrane switch or small indicator windows. They can be embedded on the flexible circuit of a membrane switch , making them a practical option when illuminating a single icon or small portion of a graphic overlay is desired.
LEDs are surface-mounted, using silver conductive epoxy, and are best-suited for selectively backlighting text and graphics, rather than backlighting the full graphic overlay or display. LEDs are, typically, a cost-effective alternative to other backlighting options.
LEDs are efficient, and they radiate little heat. LED backlighting can be configured using a single color or multiple colors, depending on the desired result. This backlighting technology is used under polyester graphics or rubber keypads.
But because the LEDs are close in proximity to the graphic overlay, using embedded LEDs as backlighting for larger areas or to illuminate an entire graphic overlay is not as cost-effective as other backlighting options, in most cases.
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Main Product:
Membrane Switch,
Graphic Overlay,
RFID Tag,
Silicone rubber Keypad,
Backlight Membrane Switch,
Waterproof Membrane Switch
