# US 12,216,875 B2 · Display apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,216,875 B2 - Document ID: US12216875B2 - Status: Granted - Kind: B2 - Application number: 18/532,884 - Filed: 2023-12-07 - Published: 2024-03-28 - Granted: 2025-02-04 - Earliest claimed: 2021-12-28 - Assignees: LG Display Co., Ltd. - Applicants: LG Display Co., Ltd. - Inventors: Bum Hee Han; Jong Moo Ha; Ji Won Kim - Web page: https://patentgrep.com/patent/US12216875B2 ## CPC - G06F 3/0448: {Details of the electrode shape, e.g. for enhancing the detection of touches, for generating specific electric field shapes, for enhancing display quality} - G06F 3/0412: {Digitisers structurally integrated in a display} - G06F 3/04164: {Connections between sensors and controllers, e.g. routing lines between electrodes and connection pads} - G06F 3/0443: {using a single layer of sensing electrodes} - 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 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 - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) ## Abstract Disclosed is a display apparatus including emissive devices disposed in a display area, signal lines disposed in a non-display area, first touch electrodes disposed in the display area, the first touch electrodes being arranged in a first direction, second touch electrodes disposed in the display area while being arranged in a second direction perpendicular to the first direction, touch routing lines disposed in the non-display area, the touch routing lines being electrically connected to the first touch electrodes or the second touch electrodes, wherein the display area includes a first region including touch blocks surrounded by lines dividing the first touch electrodes into halves in the second direction and lines dividing the second touch electrodes into halves in the first direction and a second region provided so as to surround the first region, the touch blocks being disposed spaced apart from each other in the second region. ## Claims ### Claim 1 A touch panel including touch blocks arranged in an X-direction and a Y-direction in a display area, the touch panel comprising: a plurality of first touch blocks at a center region of the display area, each of the plurality of first touch blocks having a first shape; and a plurality of second touch blocks in outermost regions of the display area, each of the plurality of second touch blocks having a second shape different from the first shape, wherein the plurality of second touch blocks are arranged in a same direction as the plurality of first touch blocks and further include an extension portion between two adjacent ones of the plurality of second touch blocks than the plurality of first touch blocks. ### Claim 2 (depends on 1) The touch panel according to claim 1, wherein the second shape of the plurality of second touch blocks in an upper outermost region and a lower outermost region of the display area is longer at least in the Y-direction than the first shape of the plurality of first touch blocks in the Y-direction. ### Claim 3 (depends on 2) The touch panel according to claim 2, wherein the second shape includes the first shape augmented by the extension portion in the Y-direction. ### Claim 4 (depends on 1) The touch panel according to claim 1, wherein the second shape of the plurality of second touch blocks in a leftmost region and a rightmost region the display area is longer at least in the X-direction than the first shape of the plurality of first touch blocks in the X-direction. ### Claim 5 (depends on 4) The touch panel according to claim 4, wherein the second shape includes the first shape augmented by the extension portion in the X-direction. ### Claim 6 (depends on 1) The touch panel according to claim 1, wherein each of the plurality of first touch blocks and the plurality of second touch blocks comprises mesh-type including a plurality of touch metal elements arranged in a mesh shape, and wherein the extension portion of the plurality of second touch blocks includes extended portions from the plurality of touch metal elements of the first shape. ### Claim 7 (depends on 3) The touch panel according to claim 3, wherein a distance between two adjacent ones of the plurality of second touch blocks equals a length of the extension portion. ### Claim 8 (depends on 1) The touch panel according to claim 1, wherein the touch panel is disposed on an encapsulation portion of a display device. ### Claim 9 (depends on 1) The touch panel according to claim 1, wherein the plurality of second touch blocks are disposed in an uppermost region, a lowermost region, a leftmost region, and a rightmost region of the display area, respectively. ### Claim 10 (depends on 1) The touch panel according to claim 1, wherein a region including the plurality of second touch blocks surround a region including the plurality of first touch blocks in the display area. ### Claim 11 (depends on 1) The touch panel according to claim 1, wherein the first shape of the plurality of first touch blocks is symmetrical with respect to a center of each of the plurality of first touch blocks in both the X-direction and the Y-direction, and wherein the second shape of the plurality of second touch blocks are symmetrical with respect to a center of each of the plurality of second touch blocks in both the X-direction and the Y-direction. ### Claim 12 (depends on 9) The touch panel according to claim 9, wherein each of the plurality of second touch blocks is greater in size than each of the plurality of first touch blocks. ### Claim 13 (depends on 9) The touch panel according to claim 9, wherein the plurality of first touch blocks and the plurality of second touch blocks are disposed on an encapsulation layer and wherein the encapsulation layer is disposed over a plurality of emissive devices. ### Claim 14 (depends on 13) The touch panel according to claim 13, wherein the encapsulation layer is overlapped with a part of a dam. ### Claim 15 (depends on 13) The touch panel according to claim 13, further comprising a plurality of touch pads at an outer region of the encapsulation layer. ### Claim 16 (depends on 1) The touch panel according to claim 1, further comprising a plurality of touch pads at an outer region of a dam. ### Claim 17 (depends on 16) The touch panel according to claim 16, further comprising a touch routing line disposed between one of the plurality of second touch blocks and one of the plurality of touch pads, wherein the touch routing line is connected to the one of the plurality of touch pads by overlapping the dam. ### Claim 18 (depends on 1) The touch panel according to claim 1, wherein the plurality of first touch blocks and the plurality of second touch blocks comprise a plurality of openings among touch metal lines and the plurality of openings are corresponding to emissive regions of a plurality of emission devices. ### Claim 19 (depends on 1) The touch panel according to claim 1, the plurality of first touch blocks and the plurality of second touch blocks are disposed on an encapsulation layer, wherein the encapsulation layer covers a plurality of emissive devices in the display area and a plurality of signal lines outside the display area.