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US 2019/0163300 A1Published application
Ionic touch panel
AssigneeSeoul National University R&Db Foundation
InventorsJeong Yun SUN, Kyu Hwan OH, Chong Chan KIM, Hyun Hee LEE
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Abstract
The present invention relates to an ionic touch panel, and more particularly, to an ionic touch panel using hydrogel for a touch panel and having flexibility, stretchability, and biocompatibility. An ionic touch panel according to an embodiment of the present invention includes a hydrogel touch unit 100 containing salt, and electrodes connected to at least two parts of the hydrogel touch unit.
Claims18
An ionic touch panel comprising:
- a hydrogel touch unit containing salt;
- and
- electrodes connected to at least two parts of the hydrogel touch unit.
A method of manufacturing an ionic touch panel, the method comprising:
- preparing a hydrogel solution by dissolving hydrogel monomer powder and salt in deionized (DI) water and then sequentially adding a cross-linking agent of hydrogel, an initiator, and an accelerator to the solution;
- producing the hydrogel solution into a hydrogel touch unit having a certain shape;
- and
- connecting electrodes to at least two parts of the hydrogel touch unit.
1 more element
An ionic touch panel system comprising:
- an ionic touch panel comprising a hydrogel touch unit containing salt, and electrodes connected to at least two parts of the hydrogel touch unit;
- a controller board electrically connected to the ionic touch panel to calculate a location of a touch point;
- and
- a terminal device for receiving location information of the touch point from the controller board, and displaying the location information.
1 more element
Dependencies are inferred from the claim text.