Touch panel with elongated flexible printed circuit
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United States of America Patent
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Sep 20, 2011
Grant Date -
Sep 25, 2008
app pub date -
Aug 23, 2005
filing date -
Aug 24, 2004
priority date (Note) -
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Abstract
The material utilization efficiency of FPC's is improved, to provide a low cost touch panel. A touch panel 100 is constituted by: a rectangular transparent panel 104; and a plurality of light emitting elements 8a and a plurality of light receiving elements 8b provided at the peripheral portions of the transparent panel 104, for specifying the coordinates of targets of detection. An elongate FPC 106 is folded at a plurality of predetermined locations to be provided as a frame along the four sides 122a, 122b, 122c, and 122d of the transparent panel 104. The plurality of light emitting elements 8a are provided on the FPC 106 along two adjacent sides of the transparent panel 104, and the plurality of light receiving elements 8b are provided on the other two sides of the transparent panel 104 so as to face the light emitting elements 8a.
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