# US 2013/0154979 A1 · Touch panel having electrostatic protection structure > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2013/0154979 A1 - Document ID: US20130154979A1 - Status: Published application - Kind: A1 - Application number: 13/717,743 - Filed: 2012-12-18 - Published: 2013-06-20 - Earliest claimed: 2011-12-19 - Assignees: Wintek Corporation - Inventors: Chung-Hsien Li; Yu-Ting Chen; Jiann-Liang Chou - Web page: https://patentgrep.com/patent/US20130154979A1 ## CPC - G06F 3/044: by capacitive means - G06F 3/0446: {using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes} - G06F 3/041: Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means - G06F 3/0443: {using a single layer of sensing electrodes} - G06F 2203/04107: Shielding in digitiser, i.e. guard or shielding arrangements, mostly for capacitive touchscreens, e.g. driven shields, driven grounds - G06F 2203/04111: Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) ## Abstract A touch panel having an electrostatic protection structure includes a transparent substrate, multiple sensing electrodes, a decoration layer and the electrostatic protection structure. The transparent substrate has an active region and a decoration region surrounding the active region. The sensing electrodes are formed on the active region. The decoration layer is disposed on the decoration region. The electrostatic structure includes a conductive ring. The conductive ring is disposed in surrounding arrangement corresponding to the decoration region and is located between the decoration layer and the transparent substrate. ## Claims ### Claim 1 A touch panel having an electrostatic protection structure, comprising: a transparent substrate, having an active region and a decoration region surrounding the active region; a plurality of sensing electrodes, formed on the active region; a decoration layer, disposed on the decoration region; and an electrostatic protection structure, comprising a conductive ring, disposed in a surrounding arrangement corresponding to the decoration region, and located between the decoration layer and the transparent substrate. ### Claim 2 (depends on 1) The touch panel according to claim 1, wherein the conductive ring is a transparent conductive ring or a metal conductive ring. ### Claim 3 (depends on 1) The touch panel according to claim 1, further comprising a plurality of conductive wires disposed on the decoration layer, and positions of the conductive wires are opposite to a position of the conductive ring. ### Claim 4 (depends on 3) The touch panel according to claim 3, wherein the conductive ring comprises a plurality of columns of strip regions extended in parallel and vertically connected, each of the conductive wires passes between two adjacent strip regions, and the conductive wires and the strip regions are non-overlapped. ### Claim 5 (depends on 3) The touch panel according to claim 3, wherein the conductive ring comprises a plurality of columns of strip regions extended in parallel and vertically connected, each of the conductive wires passes between two adjacent strip regions, and the conductive wires and the strip regions are partially overlapped. ### Claim 6 (depends on 3) The touch panel according to claim 3, wherein the conductive ring comprises a plurality of columns of block regions extended in parallel and vertically connected, the block regions of the same column are connected to one another via a micro connecting line, each of the conductive wires passes between the block regions of two adjacent columns, and the conductive wires and the block regions are partially overlapped. ### Claim 7 (depends on 3) The touch panel according to claim 3, wherein the conductive ring comprises a plurality of columns of parallel and unconnected block regions, each of the conductive wires passes between the block regions of two adjacent columns, and the conductive wires and the block regions are partially overlapped. ### Claim 8 (depends on 3) The touch panel according to claim 3, further comprising a dielectric layer, and the dielectric layer is formed on the decoration layer and is located between the conductive wires and the conductive ring. ### Claim 9 (depends on 1) The touch panel according to claim 1, wherein the conductive ring overlaps with the decoration layer, and a sidewall of the conductive ring and a sidewall of the decoration layer are aligned. ### Claim 10 (depends on 1) The touch panel according to claim 1, wherein a sidewall of the conductive ring is reduced inwardly by a predetermined size relative to a sidewall of the decoration layer, or is increased outwardly by a predetermined size relative to the sidewall of the decoration layer. ### Claim 11 (depends on 1) The touch panel according to claim 1, wherein the electrostatic protection structure further comprises a plurality of protruding portions extending outwardly from a periphery of the conductive ring. ### Claim 12 (depends on 11) The touch panel according to claim 11, wherein each of the protruding portions further comprises at least one tapered portion extending outwardly from a sidewall of the protruding portion, and pointed ends of the tapered portions are located facing one another. ### Claim 13 (depends on 11) The touch panel according to claim 11, wherein each of the protruding portions further comprises at least one rhombus portion extending outwardly from a sidewall of the protruding portion, and pointed ends of the rhombus portions are located facing one another.