# US 2014/0152909 A1 · Touch panel and manufacturing method thereof > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0152909 A1 - Document ID: US20140152909A1 - Status: Published application - Kind: A1 - Application number: 13/831,986 - Filed: 2013-03-15 - Published: 2014-06-05 - Earliest claimed: 2012-11-30 - Assignees: Hannstouch Solution Incorporated - Applicants: Hannstouch Solution Incorporated - Inventors: Sian-Zong Liao; Yao-Chih Chuang; Han-Ming Chen; Jia-Ming Ye - Web page: https://patentgrep.com/patent/US20140152909A1 ## CPC - G06F 3/0443: {using a single layer of sensing electrodes} - G06F 3/041: Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means - G06F 2203/04103: Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices - 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 The present invention provides a touch panel including a substrate, a patterned transparent conductive layer, and a color compensation layer. The patterned transparent conductive layer is disposed on the substrate, and includes a plurality of first sensing pads and a plurality of second sensing pads, and each first sensing pad and each sensing pad adjacent thereto have a first gap between them that exposing the substrate. The color compensation layer is disposed on the substrate in the first gap, and is not in contact with the patterned transparent conductive layer. ## Claims ### Claim 1 A touch panel, comprising: a substrate; a patterned transparent conductive layer disposed on the substrate, wherein the patterned transparent conductive layer comprises a plurality of first sensing pads and a plurality of second sensing pads, wherein each of the first sensing pads and each of the second sensing pads adjacent thereto have a first gap therebetween; and a color compensation layer disposed on the substrate and in the first gap, and the color compensation layer being not in contact with the patterned transparent conductive layer. ### Claim 2 (depends on 1) The touch panel according to claim 1, wherein the substrate comprises a first color, the patterned transparent conductive layer comprises a second color, and the color compensation layer comprises a third color, wherein the third color is the same as the second color or between the first color and the second color. ### Claim 3 (depends on 1) The touch panel according to claim 1, wherein the color compensation layer and the patterned transparent conductive layer comprise same material. ### Claim 4 (depends on 1) The touch panel according to claim 1, wherein the color compensation layer comprises an insulating material. ### Claim 5 (depends on 1) The touch panel according to claim 1, wherein the color compensation layer and the patterned transparent conductive layer comprise a second gap therebetween, wherein the second gap is between 0.5 μm to 5 μm. ### Claim 6 (depends on 1) The touch panel according to claim 1, further comprising a passivation layer disposed on the patterned transparent conductive layer and the color compensation layer. ### Claim 7 A touch panel, comprising: a substrate; a patterned transparent conductive layer disposed on the substrate, wherein the patterned transparent conductive layer comprises a plurality of first sensing pads and a plurality of second sensing pads, wherein each of the first sensing pads and each of the second sensing pads adjacent thereto have a first gap therebetween and the patterned transparent conductive layer comprises a first thickness; and a color compensation layer disposed on the substrate and in the first gap and contacting the patterned transparent conductive layer, wherein the color compensation layer comprises a second thickness less than or equal to the first thickness. ### Claim 8 (depends on 7) The touch panel according to claim 7, wherein the substrate comprises a first color, the patterned transparent conductive layer comprises a second color, and the color compensation layer comprises a third color, wherein the third color is the same as the second color or in between the first color and the second color. ### Claim 9 (depends on 7) The touch panel according to claim 7, wherein the color compensation layer comprises an insulating material. ### Claim 10 (depends on 7) The touch panel according to claim 7, wherein the second thickness of the color compensation layer is less than the first thickness of the patterned transparent conductive layer. ### Claim 11 A manufacturing method of a touch panel, comprising: providing a substrate; forming a transparent conductive layer on the substrate; forming a patterned photoresist on the transparent conductive layer, wherein the patterned photoresist comprises an opening for exposing the transparent conductive layer; etching the transparent conductive layer through the opening for forming a patterned transparent conductive layer, wherein the patterned transparent conductive layer comprises a plurality of first sensing pads and a plurality of second sensing pads, wherein each of the first sensing pads and each of the second sensing pads adjacent thereto have a first gap therebetween and a width of the first gap is larger than a width of the opening; covering a color compensation layer on the patterned photoresist and the exposed substrate; and performing a lift off process for removing the patterned photoresist and the color compensation layer on the patterned photoresist. ### Claim 12 (depends on 11) The manufacturing method of the touch panel according to claim 11, wherein the color compensation layer not contacting the patterned transparent conductive layer. ### Claim 13 (depends on 12) The manufacturing method of the touch panel according to claim 12, wherein the color compensation layer and the patterned transparent conductive layer comprise a second gap therebetween, wherein the second gap is between 0.5 μm to 5 μm. ### Claim 14 (depends on 11) The manufacturing method of the touch panel according to claim 11, wherein the substrate comprises a first color, the patterned transparent conductive layer comprises a second color, and the color compensation layer comprises a third color, wherein the third color is the same as the second color or between the first color and the second color. ### Claim 15 (depends on 11) The manufacturing method of the touch panel according to claim 11, wherein the color compensation layer and the transparent conductive layer comprise same material. ### Claim 16 (depends on 11) The manufacturing method of the touch panel according to claim 11, wherein the color compensation layer comprises an insulating material. ### Claim 17 (depends on 11) The manufacturing method of the touch panel according to claim 11, wherein the color compensation layer contacts the patterned transparent conductive layer, the patterned transparent conductive layer comprises a first thickness, and the color compensation layer comprises a second thickness equal to or less than the first thickness. ### Claim 18 (depends on 11) The manufacturing method of the touch panel according to claim 11, further comprising covering a passivation layer on the patterned transparent conductive layer and the color compensation layer.