# US 2018/0024673 A1 · Touch window > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2018/0024673 A1 - Document ID: US20180024673A1 - Status: Published application - Kind: A1 - Application number: 15/709,767 - Filed: 2017-09-20 - Published: 2018-01-25 - Earliest claimed: 2015-07-31 - Assignees: LG Innotek Co., Ltd. - Applicants: LG Innotek Co., Ltd. - Inventors: Jung Hyuck HAN; Yu Lim CHOE; Chan Kyu KOO; Jun Sik SHIN; Joon Hyuk YANG; Seung Jin LEE; Yu Hong JEON - Web page: https://patentgrep.com/patent/US20180024673A1 ## CPC - G06F 3/0446: {using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes} - H05K 1/0296: {Conductive pattern lay-out details not covered by sub groups H05K1/02 - H05K1/0295 (H05K1/11 takes precedence; lay-out adapted to mounted component configuration H05K1/18)} - H05K 3/28: Applying non-metallic protective coatings {(H05K3/0091 takes precedence; methods for intermediate insulating layers for build-up multilayer circuits H05K3/4673)} - G06F 2203/04112: Electrode mesh in capacitive digitiser: electrode for touch sensing is formed of a mesh of very fine, normally metallic, interconnected lines that are almost invisible to see. This provides a quite large but transparent electrode surface, without need for ITO or similar transparent conductive material - H05K 2201/09245: Crossing layout - H05K 2201/09272: Layout details of angles or corners - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS ## Abstract A capacitive touch window includes: a substrate; a cover substrate; and an electrode, wherein a portion of the substrate is flat and another potion thereof is curved, and the electrode includes: a first sensing electrode; a second sensing electrode including second unit sensing electrodes spaced apart from the first sensing electrode; a bridge electrode connecting the second unit sensing electrodes; and an insulating layer between the first sensing electrode and the bridge electrode. The first and second sensing electrodes are disposed on a same surface of the substrate. The bridge electrode includes: a first mesh line having a first width; a second mesh line having a second width; and a first cross area in which the first and second mesh lines cross each other, the first cross area having a third width, wherein the third width is 2 to 5 times the first width and the second width. ## Claims ### Claim 1 A capacitive touch window comprising: a substrate; a cover substrate on the substrate; and an electrode on the substrate, wherein a portion of the substrate is flat, and another potion of the substrate is curved, wherein the other portion is an outmost end portion of the substrate, wherein the electrode comprises: a first sensing electrode on the substrate, and extending in one direction; a second sensing electrode on the substrate, and extending in other direction different from the one direction, and including second unit sensing electrodes spaced apart from the first sensing electrode; a bridge electrode connecting the second unit sensing electrodes to each other; and an insulating layer between the first sensing electrode and the bridge electrode, wherein a hole is formed on the insulating layer to expose the bridge electrode, wherein the first and second sensing electrodes are disposed on a same surface of the substrate, wherein the bridge electrode comprises: a first mesh line extending in a first direction and having a first width; a second mesh line extending in a direction different from the first direction and having a second width; a first cross area in which the first and second mesh lines cross each other, the first cross area having a third width, the third width being a diagonal of the first cross area; and opening parts formed by the first and second mesh lines, wherein the third width is 2 to 5 times the first width and the second width, wherein at least one of the first mesh line and the second mesh line of the bridge electrode is in contact with the second unit sensing electrodes by the hole. ### Claim 2 (depends on 1) The capacitive touch window of claim 1, wherein the first width, the second width and the third width are in the range of 0.1 μm to 10 μm. ### Claim 3 (depends on 1) The capacitive touch window of claim 1, wherein the first and second sensing electrode comprise: a third mesh line extending in a first direction and having a fourth width; a fourth mesh line extending in a direction different from the first direction and having a fifth width; and a second cross area in which the third and fourth mesh lines cross each other, the second cross area having a sixth width, the sixth width being a diagonal of the second cross area, wherein the sixth width is 2 to 5 times the fourth width and the fifth width. ### Claim 4 (depends on 3) The capacitive touch window of claim 3, wherein the bridge electrode is in contact with at least one of the third mesh line and the fourth mesh line of the second unit sensing electrodes by the hole. ### Claim 5 (depends on 3) The capacitive touch window of claim 3, wherein at least one of the first mesh line and the second mesh line of the bridge electrode is in contact with at least one of the third mesh line and the fourth mesh line of the second unit sensing electrodes by the hole. ### Claim 6 (depends on 3) The capacitive touch window of claim 3, wherein at least one of the first, second, third and fourth mesh lines has a curved line and linear line. ### Claim 7 (depends on 1) The capacitive touch window of claim 1, wherein the substrate includes an active area and an unactive area, wherein the first and second sensing electrodes is disposed on the active area, wherein the electrode further comprises a wire electrode disposed on the unactive area, and wherein at least one of the sensing and wire electrodes has a mesh shape. ### Claim 8 (depends on 1) The capacitive touch window of claim 1, further comprising a protective layer disposed on the electrode, wherein the protective layer has a thickness in a range of 2 μm to 30 μm. ### Claim 9 (depends on 8) The capacitive touch window of claim 8, wherein the protective layer includes an adhesive material. ### Claim 10 (depends on 8) The capacitive touch window of claim 8, wherein the protective layer includes acrylic resin. ### Claim 11 (depends on 8) The capacitive touch window of claim 8, wherein the protective layer makes direct contact with the electrode. ### Claim 12 (depends on 8) The capacitive touch window of claim 8, wherein the protective layer covers the electrode. ### Claim 13 (depends on 3) The capacitive touch window of claim 3, wherein thickness of the first, second, third and fourth mesh lines is in the range of 100 nm to 500 nm. ### Claim 14 (depends on 3) The capacitive touch window of claim 3, wherein at least one of the first, second, third and fourth mesh lines has a curved end at the cross area. ### Claim 15 (depends on 1) The capacitive touch window of claim 1, wherein the opening part has a polygonal shape including a rectangular shape, a diamond shape, a pentagon shape or a hexagonal shape, or a circular shape. ### Claim 16 A touch device comprising; a display panel; and a capacitive touch window on the display panel, wherein the display panel comprises; a first substrate; a thin film transistor on the first substrate; and an organic light emitting device on the thin film transistor, wherein the touch capacitive window comprises; a substrate; a cover substrate on the substrate; and an electrode on the substrate, wherein a portion of the substrate is flat, and another potion of the substrate is curved, wherein the other portion is an outmost end portion of the substrate, wherein the electrode comprises: a first sensing electrode on the substrate, and extending in one direction; a second sensing electrode on the substrate, and extending in other direction different from the one direction, and including second unit sensing electrodes spaced apart from the first sensing electrode; a bridge electrode connecting the second unit sensing electrodes to each other; and an insulating layer between the first sensing electrode and the bridge electrode, wherein a hole is formed on the insulating layer to expose the bridge electrode, wherein the first and second sensing electrodes are disposed on a same surface of the substrate, wherein the bridge electrode comprises: a first mesh line extending in a first direction and having a first width; a second mesh line extending in a direction different from the first direction and having a second width; a cross area in which the first and second mesh lines cross each other, the cross area having a third width, the third width being a diagonal of the cross area; and opening parts formed by the first and second mesh lines, wherein the third width is 2 to 5 times the first width and the second width, wherein at least one of the first mesh line and the second mesh line of the bridge electrode is in contact with the second unit sensing electrodes by the hole, and wherein the substrate is an encapsulation substrate. ### Claim 17 (depends on 16) The touch device of claim 16, wherein the first width, the second width and the third width are in the range of 0.1 μm to 10 μm. ### Claim 18 (depends on 16) The touch device of claim 16, wherein the first and second sensing electrode comprise: a third mesh line extending in a first direction and having a fourth width; a fourth mesh line extending in a direction different from the first direction and having a fifth width; and a second cross area in which the third and fourth mesh lines cross each other, the second cross area having a sixth width, the sixth width being a diagonal of the second cross area, wherein the sixth width is 2 to 5 times the fourth width and the fifth width, and wherein the bridge electrode is in contact with at least one of the third mesh line and the fourth mesh line of the second unit sensing electrodes by the hole. ### Claim 19 (depends on 18) The touch device of claim 18, wherein at least one of the first mesh line and the second mesh line of the bridge electrode is in contact with at least one of the third mesh line and the fourth mesh line of the second unit sensing electrodes by the hole.