Capacitive touch sensor with integral EL backlight
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United States of America Patent
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Apr 16, 2013
Grant Date -
Jul 19, 2007
app pub date -
Jan 17, 2006
filing date -
Jan 17, 2006
priority date (Note) -
Expired
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Abstract
A personal electronic device includes a programmable display and a programmable keypad, wherein at least one of the programmable display and the programmable keypad includes a capacitive touch sensor and an EL panel in a unitary structure. A conductive layer shields the capacitive touch sensor from the EL panel and can be a separate layer or be incorporated into either the capacitive sensor or the EL panel. The conductive layer includes antimony tin oxide (ATO), other conductive oxide, or a conductive polymer, such as Orgaconâ„¢ 3010.
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