Compact integrated touch panel display for a handheld device
First Claim
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1. A handheld device comprising:
- a touch panel display providing a shared sensing and display surface for input and output functions, said touch panel display comprising;
a visible adhesive dielectric spacer; and
a contact electrode including a transparent conductive coating and a visible non-transparent conductive bus pattern, wherein said visible non-transparent conductive bus pattern overlays said visible adhesive dielectric spacer, and wherein said visible non-transparent conductive bus pattern and said visible adhesive dielectric spacer have an approximately equal visual homogeneous appearance; and
a carrier frame to which said touch panel display is mounted, said carrier frame comprising at least one electrically conductive frame contact for establishing electrical contact with said touch panel display, said at least one electrically conductive frame contact having an upper end and a lower end;
wherein said upper end resides at least in part within a touch panel display mounting surface of said carrier frame and said lower end is electrically accessible by circuits resident within the confines of said carrier frame.
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Abstract
A handheld device with a compact integrated touch panel is disclosed. A handheld device incorporating a touch panel display requiring electrical connections is reduced in size by incorporating electrical pathways within the support structure of the touch panel display, obviating the need for a flex circuit extension from the touch panel display for connection to the handheld device. A further reduction in size is obtained by providing an inherent visually homogeneous perimeter for the touch panel display by matching the colors of the conductive and dielectric materials, thereby eliminating the need for a bezel.
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Citations
13 Claims
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1. A handheld device comprising:
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a touch panel display providing a shared sensing and display surface for input and output functions, said touch panel display comprising; a visible adhesive dielectric spacer; and a contact electrode including a transparent conductive coating and a visible non-transparent conductive bus pattern, wherein said visible non-transparent conductive bus pattern overlays said visible adhesive dielectric spacer, and wherein said visible non-transparent conductive bus pattern and said visible adhesive dielectric spacer have an approximately equal visual homogeneous appearance; and a carrier frame to which said touch panel display is mounted, said carrier frame comprising at least one electrically conductive frame contact for establishing electrical contact with said touch panel display, said at least one electrically conductive frame contact having an upper end and a lower end;
wherein said upper end resides at least in part within a touch panel display mounting surface of said carrier frame and said lower end is electrically accessible by circuits resident within the confines of said carrier frame. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A handheld device comprising a touch panel display providing a shared sensing and display surface for input and output function, said touch panel display comprising:
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a visible adhesive dielectric spacer; and a contact electrode including a transparent conductive coating and a visible non-transparent conductive bus pattern, wherein said visible non-transparent conductive bus pattern overlays said visible adhesive dielectric spacer, and wherein said visible non-transparent conductive bus pattern and said adhesive dielectric spacer have an approximately equal visual homogeneous appearance. - View Dependent Claims (8, 9, 10, 11, 12, 13)
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Specification