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US07379720B2 Keypad lighting using polymer light emitting devices 有权
使用聚合物发光器件的键盘照明

Keypad lighting using polymer light emitting devices
摘要:
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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