# US 11,906,855 B2 · Display device comprising a first slit separating first and second common electrodes and overlapping a first metal line > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,906,855 B2 - Document ID: US11906855B2 - Status: Granted - Kind: B2 - Application number: 18/076,682 - Filed: 2022-12-07 - Published: 2023-04-06 - Granted: 2024-02-20 - Earliest claimed: 2016-02-24 - Assignees: Japan Display Inc. - Applicants: Japan Display Inc. - Inventors: Kenta Seki; Gen Koide; Hayato Kurasawa - Web page: https://patentgrep.com/patent/US11906855B2 ## CPC - G02F 1/134318: {having a patterned common electrode} - G02F 1/13338: {Input devices, e.g. touch panels} - G02F 1/133707: {Structures for producing distorted electric fields, e.g. bumps, protrusions, recesses, slits in pixel electrodes} - G02F 1/134336: {Matrix} - G02F 1/136286: {Wiring, e.g. gate line, drain line} - G06F 3/0412: {Digitisers structurally integrated in a display} - 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} - G02F 1/134381: {Hybrid switching mode, i.e. for applying an electric field with components parallel and orthogonal to the substrates} - G02F 1/136218: {Shield electrodes} - G02F 1/136295: {Materials; Compositions; Manufacture processes} - G02F 2201/121: common or background - G06F 2203/04103: Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices - G02F: OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) ## Abstract According to one embodiment, a display device comprises image signal lines, scanning signal lines, pixels, a display area, pixel electrodes, and common electrodes. The common electrodes are configured to detect an object and to display an image in the display area. The common electrodes include first and second common electrodes which are arranged in a first direction. A first slit is provided between the first and second common electrodes. The first and second common electrodes are supplied a signal different from each other. A second slit is provided in the first common electrode. Each of the first slit and the second slit overlaps one of the image signal lines and extends in an extension direction in which the image signal line extends. ## Claims ### Claim 1 A display device comprising: a first image signal line; a second image signal line; an insulating layer covering the first image signal line and the second image signal line; a first metal line extending in parallel to the first image signal line; a second metal line extending in parallel to the second image signal line; a first common electrode; and a second common electrode electrically connected to the second metal line; wherein the first common electrode and the second common electrode are arrayed in a first direction, the first common electrode is separated from the second common electrode by a first slit, the second common electrode includes a second slit, the first slit overlaps the first metal line, the second slit overlaps the second metal line, a distance between the first slit and the second slit is less than or equal to 180 μm, the first image signal line and the second image signal line are in contact with the insulating layer, the first metal line is in contact with the insulating layer at a region where the first metal line overlaps the first slit, and the second metal line is in contact with the insulating layer at a region where the second metal line overlaps the second slit. ### Claim 2 (depends on 1) The display device of claim 1, wherein the distance between the first slit and the second slit is greater than or equal to 80 μm. ### Claim 3 (depends on 1) The display device of claim 1, wherein the distance between the first slit and the second slit is greater than 100 μm and less than 150 μm. ### Claim 4 (depends on 1) The display device of claim 1, wherein the first slit completely splits the first common electrode and the second common electrode, and the second slit does not completely split the second common electrode. ### Claim 5 (depends on 4) The display device of claim 4, further comprising a plurality of pixels, wherein the plurality of pixels includes a first subpixel, a second subpixel adjacent to the first subpixel in the first direction, a third subpixel, and a fourth subpixel adjacent to the third subpixel in the first direction, the first slit is arranged between the first subpixel and the second subpixel, and the second slit is arranged between the third subpixel and the fourth subpixel. ### Claim 6 (depends on 5) The display device of claim 5, wherein each of the first subpixel and the third subpixel is a red color subpixel, and each of the second subpixel and the fourth subpixel is a blue color subpixel. ### Claim 7 (depends on 5) The display device of claim 5, wherein each of the first subpixel and the third subpixel is a red color subpixel, and each of the second subpixel and the fourth subpixel is a green color subpixel. ### Claim 8 (depends on 5) The display device of claim 5, wherein each of the first subpixel and the third subpixel is a green color subpixel, and each of the second subpixel and the fourth subpixel is a blue color subpixel. ### Claim 9 (depends on 4) The display device of claim 4, wherein the first slit extends parallel to the first metal line, and the second slit extends parallel to the second metal line. ### Claim 10 (depends on 9) The display device of claim 9, wherein the first slit has a first width in the first direction, the first metal line has a second width in the first direction, a center of the second width of the first metal line is shifted from a center of the first width of the first slit, and a part of the first slit is exposed form the first metal line. ### Claim 11 (depends on 10) The display device of claim 10, wherein the second slit has a third width in the first direction, the second metal line has a fourth width in the first direction, a center of the fourth width of the second metal line is shifted from a center of the third width of the second slit, and a part of the second slit is exposed from the second metal line. ### Claim 12 (depends on 4) The display device of claim 4, further comprising: a plurality of pixels in a display area, wherein the second slit extends to a surrounding area outside the display area, and an edge of the second slit is located at the surrounding area. ### Claim 13 (depends on 4) The display device of claim 4, further comprising: a spacer, wherein the spacer overlaps the first slit, the first common electrode includes a recess, and the second common electrode includes a recess, the spacer is surrounded by the recess of the first common electrode and the recess of the second common electrode, and the spacer does not overlap the first common electrode and the second common electrode. ### Claim 14 (depends on 4) The display device of claim 4, further comprising: a plurality of switching elements in a display area, wherein each of the first image signal line and the second image signal line is connected to the respective switching element in the display area, and none of the plurality of switching elements is connected to the first metal line and the second metal line in the display area. ### Claim 15 (depends on 4) The display device of claim 4, wherein a common voltage is supplied to the first metal line and the second metal line. ### Claim 16 (depends on 14) The display device of claim 14, further comprising: a plurality of scanning lines arrayed in a second direction intersecting with the first direction, wherein the first slit includes a first part extending in a third direction and a second part extending in a fourth direction, the third direction is a direction crossing the second direction at a first acute angel in a clockwise direction, the fourth direction is a direction crossing the second direction at a second acute angle in a counter-clockwise direction, a first part of the first metal line extends in parallel to the first part of the first slit, and a second part of the first metal line extends in parallel to the second part of the first slit.