Keypad for mobile phone with electroluminescent element

A keypad for a mobile phone includes a circuit board having a fixed contact point; a dome switch disposed on the circuit board; a base pad member having a projection for pressing the dome switch to generate signal; an upper pad member having a key top, the upper pad member being integrally formed wi...

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Bibliographic Details
Main Author YANG, YOON-HONG
Format Patent
LanguageEnglish
French
German
Published 23.04.2003
Edition7
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
RELAYS
SELECTORS
TELEPHONIC COMMUNICATION
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Summary:A keypad for a mobile phone includes a circuit board having a fixed contact point; a dome switch disposed on the circuit board; a base pad member having a projection for pressing the dome switch to generate signal; an upper pad member having a key top, the upper pad member being integrally formed with the base pad member, and an electroluminescent (EL) element disposed surface-contacting between the base pad member and the upper pad member.
Bibliography:Application Number: EP20020010512