# US 8,570,287 B2 · Capacitive touch panel having color compensation layer > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,570,287 B2 - Document ID: US8570287B2 - Status: Granted - Kind: B2 - Application number: 12/729,950 - Filed: 2010-03-23 - Published: 2010-09-30 - Granted: 2013-10-29 - Earliest claimed: 2009-03-24 - Assignees: Wintek Corporation - Applicants: Wen-Chun Wang; Ping-Wen Huang; Chih-Jung Teng; Huang-Ming Chang - Inventors: Wen-Chun Wang; Ping-Wen Huang; Chih-Jung Teng; Huang-Ming Chang - Web page: https://patentgrep.com/patent/US8570287B2 ## CPC - G06F 3/0445: {using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer} - G06F 3/0446: {using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes} - 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 capacitive touch panel includes a transparent substrate, a plurality of first sensing electrode sets and second sensing electrode sets provided on the transparent substrate. Each first sensing electrode set includes a plurality of first sensing electrodes electrically coupled in series through a plurality of first wires. Each second sensing electrode set includes a plurality of second sensing electrodes. A color compensation layer having a mesh-like pattern is provided between the first sensing electrodes and the second sensing electrodes. The second wires cover part of the surface of the color compensation layer to couple the second sensing electrodes in series. ## Claims ### Claim 1 A capacitive touch panel, comprising: a transparent substrate having a first surface and a second surface; a plurality of transparent first sensing electrode sets provided on the first surface of the transparent substrate and aligned along a first direction, wherein the first sensing electrode sets are provided parallel to each other, each first sensing electrode set has a plurality of first sensing electrodes and a plurality of first wires, and the adjacent first sensing electrodes in each first sensing electrode set are electrically coupled in series through the first wires; a plurality of transparent second sensing electrode sets provided on the first surface of the transparent substrate and aligned along a second direction, wherein the second sensing electrode sets are provided parallel to each other, each second sensing electrode set has a plurality of second sensing electrodes and a plurality of second wires, and the adjacent second sensing electrodes in each second sensing electrode set are electrically coupled in series through the second wires; and an electrically insulated color compensation layer provided on the first surface of the transparent substrate, wherein the color compensation layer is disposed in a space existing between the first sensing electrodes and the second sensing electrodes and does not cover the first sensing electrodes and the second sensing electrodes to form a mesh-like pattern, the color compensation layer is made from an organic material and covers the first wires, the thickness of the color compensation layer is larger than the thickness of the first sensing electrodes and the thickness of the second sensing electrodes, the second wires are provided on a surface of the color compensation layer and are electrically insulated from the first wires. ### Claim 2 (depends on 1) The capacitive touch panel according to claim 1, wherein the mesh-like pattern comprises a plurality of sub-patterns that are discontinuous. ### Claim 3 (depends on 1) The capacitive touch panel according to claim 1, wherein the transparent substrate is a transparent plastic substrate, a glass substrate, or a color filter. ### Claim 4 (depends on 1) The capacitive touch panel according to claim 1, further comprising: a protection layer covering the first sensing electrodes, the second sensing electrode sets, and the color compensation layer. ### Claim 5 (depends on 4) The capacitive touch panel according to claim 4, wherein the protection layer is made from an inorganic material. ### Claim 6 (depends on 1) The capacitive touch panel according to claim 1, wherein the first sensing electrodes and the second sensing electrodes are made from a carbon nano tube, a conducting polymer, a silver filament, indium tin oxide (ITO), indium zinc oxide (IZO), zinc oxide (ZnO), or tin oxide (SnO). ### Claim 7 (depends on 1) The capacitive touch panel according to claim 1, wherein the second wires are made from a carbon nano tube, a conducting polymer, a silver filament, indium tin oxide (ITO), indium zinc oxide (IZO), zinc oxide (ZnO), tin oxide (SnO), or a metallic material. ### Claim 8 (depends on 1) The capacitive touch panel according to claim 1, wherein the first direction and the second direction are substantially orthogonal. ### Claim 9 (depends on 1) The capacitive touch panel according to claim 1, wherein the capacitive touch panel is disposed on a display and the transparent substrate serves as a cover lens. ### Claim 10 (depends on 9) The capacitive touch panel according to claim 9, wherein the display is a liquid crystal display, an organic light emitting diode display, an electro-phoretic display, or an electro-wetting display.