Plastic substrate for display applications
First Claim
1. A touch panel, the touch panel comprising:
- a polyimide substrate; and
an electrical conductor;
wherein the combined polyimide substrate and electrical conductor have an effective radiation absorption coefficient of less than 0.02 per micron at wavelengths from 400 to 450 nm.
1 Assignment
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Accused Products
Abstract
Components for electronic displays containing a polyimide substrate and an electrical conductor are disclosed. The components are suitable for use in touch panel displays. The invention is also directed to electronic displays incorporating the components of the invention, and methods of making the display components. The combined polyimide substrate and electrical conductor are selected such that they have high internal radiation transmissivity, and typically have an effective radiation absorption coefficient of less than 0.02 per micron at wavelengths from 400 to 450 nm. In addition, the polyimide substrate permits processing of the display components at elevated temperatures, and usually has a glass transition temperature greater than 300° C.
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Citations
29 Claims
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1. A touch panel, the touch panel comprising:
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a polyimide substrate; and
an electrical conductor;
wherein the combined polyimide substrate and electrical conductor have an effective radiation absorption coefficient of less than 0.02 per micron at wavelengths from 400 to 450 nm. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. A display for use in an electrical device, the display comprising:
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a polyimide substrate having a glass transition temperature greater than 300°
C.; and
a transparent electrical conductor;
wherein the combined polyimide substrate and electrical conductor have an effective radiation absorption coefficient of less than 0.4 mil at wavelengths from 400 to 450 nm. - View Dependent Claims (23, 24, 25, 27, 28, 29)
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26. A process for forming a display component for use in an electronic display, the process comprising:
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providing a polyimide substrate; and
applying a transparent electrical conductor to the polyimide substrate;
wherein the combined polyimide substrate and electrical conductor have an effective radiation absorption coefficient of less than 0.02 per micron at wavelengths from 400 to 450 nm.
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Specification