TOUCH SCREEN AND ELECTRONIC DEVICE
First Claim
Patent Images
1. A touch screen display comprising:
- a display device; and
a touch-sensitive overlay disposed on the display device, the touch sensitive overlay comprising a substrate, first and second capacitive touch sensor circuit layers disposed on the substrate, for determining a location of a touch to the touch screen display, and a thin-film deposited barrier layer for electrically isolating the first capacitive touch sensor circuit layer from the second capacitive touch sensor circuit layer.
1 Assignment
0 Petitions
Accused Products
Abstract
A touch screen display includes a display device and a touch-sensitive overlay disposed on the display device. The touch sensitive overlay includes a substrate, first and second capacitive touch sensor circuit layers disposed on the substrate for determining a location of a touch to the touch screen display, and a thin-film deposited barrier layer for electrically isolating the first capacitive touch sensor circuit layer from the second capacitive touch sensor circuit layer.
70 Citations
25 Claims
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1. A touch screen display comprising:
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a display device; and a touch-sensitive overlay disposed on the display device, the touch sensitive overlay comprising a substrate, first and second capacitive touch sensor circuit layers disposed on the substrate, for determining a location of a touch to the touch screen display, and a thin-film deposited barrier layer for electrically isolating the first capacitive touch sensor circuit layer from the second capacitive touch sensor circuit layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A portable electronic device comprising:
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a base; a touch screen display coupled to the base, the touch screen display comprising a display device and a touch-sensitive overlay disposed on the display device, the touch sensitive overlay comprising a substrate, first and second capacitive touch sensor circuit layers disposed on the substrate, for determining a location of a touch to the touch screen display, and a thin-film deposited barrier layer for electrically isolating the first capacitive touch sensor circuit layer from the second capacitive touch sensor circuit layer; and operational components disposed between the base and the touch screen display, including a memory and a processor connected to the touch screen display and to the memory. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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23. A process for fabricating a touch screen display, the process comprising:
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forming a first capacitive touch sensor circuit layer in a touch-sensitive overlay stack comprising a substrate; depositing a thin-film barrier layer on the first capacitive touch sensor circuit layer; forming a second capacitive touch sensor circuit layer on the thin-film barrier layer. - View Dependent Claims (24, 25)
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Specification