Key assembly and mobile terminal having the same

Details Key assembly and mobile terminal having the same Key assembly and mobile terminal having the same

2007-01-05

2009-02-10

Enad, Elvin G (Department: 2832)

Electricity: circuit makers and breakers

Electric switch details

Indicators

C200S314000

Reexamination Certificate

active

07488910

ABSTRACT:
A key assembly and a mobile terminal having the same. The key assembly includes a plurality of key buttons, a light guiding sheet arranged below at least one of the plurality of key buttons, a light emitter to generate light into an edge of the light guiding sheet, the light guiding sheet directing light from the light emitter towards at least one of the plurality of key buttons, a circuitry supporting substrate formed below the light guiding sheet; and a plurality of switches formed on the circuitry supporting substrate, each of the plurality of switches corresponding to one of the plurality of key buttons. The light guiding sheet overlays an upper portion of each of the plurality of switches.

REFERENCES:
patent: 6977352 (2005-12-01), Oosawa
patent: 7014377 (2006-03-01), Yamauchi
patent: 7070349 (2006-07-01), Dombrowski et al.
patent: 2002/0054487 (2002-05-01), Parker et al.
patent: 2006/0260923 (2006-11-01), Lee et al.
patent: 2007/0039809 (2007-02-01), Aihara et al.
patent: 1020050056026 (2005-06-01), None
patent: 1020050056090 (2005-06-01), None
patent: 1020050064351 (2005-06-01), None
patent: 2005138319 (2006-05-01), None
patent: 2006112012 (2006-08-01), None

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