Keypad lighting using polymer light emitting devices

Details Keypad lighting using polymer light emitting devices Keypad lighting using polymer light emitting devices

2008-03-25

2009-11-03

Friedhofer, Michael A (Department: 2832)

Electricity: circuit makers and breakers

Electric switch details

Indicators

Reexamination Certificate

active

07612306

ABSTRACT:
At least one key of a keypad of an electronic device, such as a wireless terminal, includes a polymer light emitting device, also referred to as a polymer LED, thereon. A polymer LED may be on the inner and/or outer surface of the face of the key and may be unpatterned and/or patterned to form a symbol.

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