Touch panel
First Claim
1. In a touch panel having a panel body formed by transparent upper and lower electrodes spaced a predetermined distance, said touch panel being mounted on a front surface of a display device to detect a coordinate at a depressed position on said upper electrode;
- the improvement comprising a transparent insulating liquid material filled between said upper and lower electrodes and a coloring agent containing pigment or dyestuff dispersed in said liquid material.
1 Assignment
0 Petitions
Accused Products
Abstract
A touch panel having a panel body formed by transparent upper and lower electrodes spaced a predetermined distance. The touch panel is mounted on a front surface of a display device to detect a coordinate at a depressed position on the upper electrode. The improvement comprises a transparent insulating liquid material filled between the upper and lower electrodes and a coloring agent containing pigment or dyestuff dispersed in the liquid material. In another aspect, the improvement comprises a transparent insulating liquid material filled between the upper and lower electrodes and an insulating fine powder dispersed in the liquid material.
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Citations
3 Claims
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1. In a touch panel having a panel body formed by transparent upper and lower electrodes spaced a predetermined distance, said touch panel being mounted on a front surface of a display device to detect a coordinate at a depressed position on said upper electrode;
- the improvement comprising a transparent insulating liquid material filled between said upper and lower electrodes and a coloring agent containing pigment or dyestuff dispersed in said liquid material.
- View Dependent Claims (2, 3)
Specification