Keypad with illumination structure

An illuminated keypad includes a substantially transparent keypad having a plurality of actuator buttons, a plurality of switches residing substantially and correspondingly below the plurality of actuator buttons, a display laminate layer residing between the plurality of actuator buttons and the pl...

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Bibliographische Detailangaben
Hauptverfasser: Yu, Huinan J, Li, Zili, Tracy, James L, Vakil, Bharat N, Yang, Sen, Zhuang, Zhiming
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:An illuminated keypad includes a substantially transparent keypad having a plurality of actuator buttons, a plurality of switches residing substantially and correspondingly below the plurality of actuator buttons, a display laminate layer residing between the plurality of actuator buttons and the plurality of switches, and a light source reflectively illuminating a pattern of a symbol on the laminate layer by radiating light through the substantially transparent keypad. The display laminate can include a driver layer having a conductor pattern configured in the pattern of the symbol to be displayed on the substantially transparent keypad, a transparent conductor layer, and an electrically active ink layer disposed between the transparent conductor layer and the driver layer.