摘要 |
A backlight keyboard ( 100 ) includes a plurality of keys ( 120 ), a light guide plate ( 140 ), and an elastic element ( 160 ). Each key includes a key cover ( 124 ) and a keypad ( 122 ) integrally connected to each other. Further, keypad portions of adjacent keys are integrally connected, as well. The light guide plate is arranged below the keys. The light guide plate defines a plurality of through holes ( 142 ), each through hole corresponding to one key. An opaque film ( 144 ) is coated on a top surface of the light guide plate. The elastic element is positioned under the light guide plate and is configured for exerting a biasing force on at least one key so as to enable the key to return to its previous position when pressed and released.
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