发明名称 Arrangement for integration of key illumination into keymat of portable electronic devices
摘要 An integrated keymat or keyboard to be used on an electronic device. The integrated keymat includes a plurality of individual emissive keypads each having a legend or symbol provided thereon. The emissive keypad has a light-emitting source and a plurality of electrodes, operatively connected to a power source, to activate the light-emitting source in order to illuminate the keypads, wherein the connection of the electrodes is controllable so that one or more keypads can be illuminated causing the key indicating marks on said one or more keypads to become more visible. Furthermore, the light-emitting source may include a plurality of segments of pixels which are individually addressable so that they can be selectively activated to form an alphanumeric symbol or pattern. Moreover, the integrated keymat further comprises one or more lens-like pads provided on the keypads to make the legend or symbol on the keypads more visible.
申请公布号 AU7764201(A) 申请公布日期 2002.02.25
申请号 AU20010077642 申请日期 2001.08.17
申请人 NOKIA CORPORATION 发明人 TERHO KAIKURANTA;BROR SVARFVAR
分类号 G06F15/02;G06F3/02;G06F3/041;G06F3/048;G09F9/00;G09F13/04;G09F13/20;G09F13/22;H01H13/02;H01H13/70;H01H13/702;H01H13/83;H04M1/22;H04M1/247;H04M1/725 主分类号 G06F15/02
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