Capacitive touch panel with improved visibility

摘要

The present invention provides a capacitive touch panel and a manufacturing method thereof, wherein the capacitive touch panel includes a first transparent substrate in which an upper transparent electrode and an upper metal interconnect electrode are formed on the lower side thereof; a transparent adhesive portion; and a second transparent substrate in which a lower transparent electrode and a lower metal interconnect electrode are formed on the upper side thereof. More specifically, the invention provides a capacitive touch panel with excellent visibility since an expensive ITO transparent electrode is replaced with conductive materials such as CNT and graphene and the touch panel has an electrode pattern of a specific structure.

主权项

1. A capacitive touch panel comprising:
a first transparent substrate having an upper transparent electrode and an upper metal-interconnect electrode on a lower surface thereof; a transparent adhesive portion; and a second transparent substrate having a lower transparent electrode and a lower metal-interconnect electrode on an upper surface thereof, wherein the lower transparent electrode comprises a conductive composition, wherein the upper transparent electrode consists of indium tin oxide (ITO), and the lower transparent electrode consists of carbon nanotubes (CNTs) or graphene, wherein the upper transparent electrode comprises rhombic patterns and upper connectors disposed between the rhombic patterns to connect the rhombic patterns, wherein the lower transparent electrode comprises octagonal patterns and lower connectors disposed between the octagonal patterns to connect the octagonal patterns, and each octagonal pattern shares a common sidewall with at least one adjacent octagonal pattern, wherein the lower connectors are the common sidewalls between adjoining octagonal patterns which are continuously arranged, wherein each rhombic pattern of the upper transparent electrode has a smaller area than each octagonal pattern of the lower transparent electrode, and wherein the rhombic patterns of the upper transparent electrode and the octagonal patterns of the lower transparent electrode do not overlap each other.