# US 12,001,639 B2 · Touch display device and display panel > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,001,639 B2 - Document ID: US12001639B2 - Status: Granted - Kind: B2 - Application number: 17/893,035 - Filed: 2022-08-22 - Published: 2023-02-23 - Granted: 2024-06-04 - Earliest claimed: 2021-08-23 - Assignees: LG Display Co., Ltd. - Applicants: LG Display Co., Ltd. - Inventors: Wooram Oh; JeHyung Park; KyungSu Ha; Dayeong Lee; SeungHo Park - Web page: https://patentgrep.com/patent/US12001639B2 ## CPC - G06F 3/0446: {using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes} - 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} - G02F 1/13338: {Input devices, e.g. touch panels} - G06F 3/0412: {Digitisers structurally integrated in a display} - G06F 2203/04107: Shielding in digitiser, i.e. guard or shielding arrangements, mostly for capacitive touchscreens, e.g. driven shields, driven grounds - 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 - H10K 59/122: Pixel-defining structures or layers, e.g. banks - H10K 59/40: OLEDs integrated with touch screens - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - 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 - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES ## Abstract Embodiments of the present disclosure relate to a touch display device and a display panel. The touch display device comprises a display panel in which a plurality of X-touch electrodes arranged in a first direction are electrically connected to form a X-touch electrode line and a plurality of X-touch electrode lines arranged in parallel to receive a plurality of touch driving signals, and a plurality of Y-touch electrode lines are extended to a second direction to transmit a plurality of touch sensing signals; and a touch driving circuit for supplying the plurality of touch driving signals to the plurality of X-touch electrode lines and for sensing a touch by detecting the plurality of touch sensing signals from the plurality of Y-touch electrode lines, wherein a plurality of X-touch lines transmitting the plurality of touch driving signals to the plurality of X-touch electrode lines are extended in the second direction and are alternately connected to the plurality of X-touch electrodes through a plurality of touch contact holes to electrically connect a plurality of X-touch electrodes constituting a same X-touch electrode line. ## Claims ### Claim 1 A touch display device comprising: a display panel in which: a plurality of X-touch electrodes arranged in a first direction are electrically connected to form an X-touch electrode line and a plurality of X-touch electrode lines are arranged in parallel to receive a plurality of touch driving signals, and a plurality of Y-touch electrode lines are extended in a second direction to transmit a plurality of touch sensing signals; and a touch driving circuit for supplying the plurality of touch driving signals to the plurality of X-touch electrode lines and for sensing a touch by detecting the plurality of touch sensing signals from the plurality of Y-touch electrode lines, wherein a plurality of X-touch lines transmitting the plurality of touch driving signals to the plurality of X-touch electrode lines are extended in the second direction and are alternately connected to respective pluralities of X-touch electrodes of the plurality of X-touch electrode lines through a plurality of touch contact holes to electrically connect each plurality of X-touch electrodes constituting a same X-touch electrode line; wherein at least two of the plurality of X-touch lines are shifted at uniform intervals in a shifting area. ### Claim 2 (depends on 1) The touch display device according to claim 1, wherein the plurality of X-touch lines are alternately connected by N as a unit, N being a natural number greater than or equal to 2. ### Claim 3 (depends on 1) The touch display device according to claim 1, wherein the plurality of touch contact holes are disposed to be displaced from each other in at least two areas based on the plurality of Y-touch electrode lines. ### Claim 4 (depends on 1) The touch display device according to claim 1, wherein the plurality of touch contact holes through which the plurality of X-touch lines are electrically connected to designated X-touch electrodes are arranged having distances to adjacent Y-touch electrode lines that are uniform. ### Claim 5 (depends on 1) The touch display device according to claim 1, wherein a distance at which the plurality of X-touch electrode lines is shifted corresponds to an interval between adjacent X-touch lines. ### Claim 6 (depends on 1) The touch display device according to claim 1, wherein a direction in which the plurality of X-touch lines is shifted in the shifting area is a diagonal direction of an adjacent Y-touch electrode line. ### Claim 7 (depends on 1) The touch display device according to claim 1, wherein the shifting area is formed in an area where mesh-type touch electrode metals constituting the X-touch electrode are not formed. ### Claim 8 (depends on 1) The touch display device according to claim 1, wherein the plurality of X-touch lines is arranged such that a selected pattern is repeated based on a touch node where the plurality of X-touch electrode lines and the plurality of Y-touch electrode lines overlap. ### Claim 9 (depends on 1) The touch display device according to claim 1, wherein the plurality of touch contact holes through which the plurality of X-touch lines are electrically connected to designated X-touch electrodes are electrically connected to X-touch electrode connection lines located on both sides of the Y-touch electrode line. ### Claim 10 (depends on 1) The touch display device according to claim 1, wherein a first area in which the plurality of X-touch electrode lines are formed has a ratio in a range of 5:1 to 2:1 with a second area in which the plurality of Y-touch electrode lines are formed. ### Claim 11 (depends on 1) The touch display device according to claim 1, wherein the plurality of X-touch electrodes are electrically connected to a different X-touch electrode that is adjacent in the first direction through an X-touch electrode connection line, wherein the X-touch electrode connection line is arranged on the same plane with the X-touch electrodes and electrically connected to two X-touch electrodes that are adjacent in the first direction without a separate contact hole, or is integrated with two X-touch electrodes that are adjacent in the first direction. ### Claim 12 (depends on 1) The touch display device according to claim 1, wherein at least one Y-touch line connected to the plurality of Y-touch electrode lines are arranged in a bezel area of the display panel, wherein a Y-touch bridge electrode with an integral structure is arranged under the Y-touch line, and wherein the Y-touch bridge electrode is connected to a ground voltage. ### Claim 13 (depends on 12) The touch display device according to claim 12, further comprising a Y-touch bridge line that is arranged to connect to a contact hole under the Y-touch line in a notch area and a bending area of the display panel, wherein the Y-touch line and the Y-touch bridge line are electrically connected to at least one contact hole formed at uniform distance. ### Claim 14 (depends on 1) The touch display device according to claim 1, wherein the shifting area corresponds to an edge area of the X-touch electrode lines. ### Claim 15 A display panel comprising: a plurality of X-touch electrode lines arranged in parallel to receive a plurality of touch driving signals, each of the plurality of X-touch electrode lines having a plurality of X-touch electrodes arranged in a first direction and electrically connected to each other; a plurality of Y-touch electrode lines extended in a second direction to transmit a plurality of touch sensing signals; and a plurality of X-touch lines extended in the second direction and alternately connected to the plurality of X-touch electrodes through a plurality of touch contact holes to electrically connect a plurality of X-touch electrodes constituting a same X-touch electrode line to each other, wherein the plurality of touch contact holes through which the plurality of X-touch lines are electrically connected to designated X-touch electrode are arranged having a uniform distance to adjacent Y-touch electrode lines. ### Claim 16 (depends on 15) The display panel according to claim 15, wherein the plurality of X-touch lines are alternately connected by N as a unit, N being a natural number greater than or equal to 2. ### Claim 17 (depends on 15) The display panel according to claim 15, wherein the plurality of touch contact holes are disposed to be displaced from each other in at least two areas based on the plurality of Y-touch electrode lines. ### Claim 18 (depends on 15) The display panel according to claim 15, wherein the plurality of X-touch lines are shifted at a uniform interval in a shifting area. ### Claim 19 (depends on 18) The display panel according to claim 18, wherein the distance at which the plurality of X-touch electrode lines are shifted corresponds to an interval between adjacent X-touch lines. ### Claim 20 (depends on 18) The display panel according to claim 18, wherein the shifting area is formed in an area where mesh-type touch electrode metals constituting the X-touch electrode are not formed. ### Claim 21 (depends on 18) The display panel according to claim 18, wherein the plurality of X-touch lines are arranged such that a selected pattern is repeated based on a touch node where the plurality of X-touch electrode lines and the plurality of Y-touch electrode lines overlap. ### Claim 22 (depends on 15) The display panel according to claim 15, wherein the plurality of touch contact holes through which the plurality of X-touch lines are electrically connected to designated X-touch electrodes are electrically connected to X-touch electrode connection lines located on both sides of the Y-touch electrode line. ### Claim 23 (depends on 15) The display panel according to claim 15, wherein each of the plurality of X-touch electrodes is electrically connected to a different X-touch electrode that is adjacent in the first direction through an X-touch electrode connection line, wherein the X-touch electrode connection line is arranged on the same plane with the X-touch electrodes and electrically connected to two X-touch electrodes that are adjacent in the first direction without a separate contact hole, or is integrated with two X-touch electrodes that are adjacent in the first direction. ### Claim 24 (depends on 15) The display panel according to claim 15, wherein at least one Y-touch line connected to the plurality of Y-touch electrode lines is arranged in a bezel area of the display panel, wherein a Y-touch bridge electrode with an integral structure is arranged under the Y-touch line, and wherein the Y-touch bridge electrode is connected to a ground voltage. ### Claim 25 (depends on 24) The display panel according to claim 24, further comprising a Y-touch bridge line that is arranged to connect to a contact hole under the Y-touch line in a notch area and a bending area of the display panel, wherein the Y-touch line and the Y-touch bridge line are electrically connected to at least one contact hole formed at a uniform distance. ### Claim 26 (depends on 18) The display panel according to claim 18, wherein the shifting area corresponds to an edge area of the X-touch electrode lines. ### Claim 27 A touch display device, comprising: a display panel including: an X-touch electrode line including a plurality of X-touch electrodes arranged in a first direction that are electrically connected to each other; and a Y-touch electrode line that extends in a second direction; a plurality of touch contact holes, each of the plurality of touch contact holes being positioned over a respective one of the plurality of X-touch electrodes; and an X-touch line extended in the second direction and being connected to half or fewer of the plurality of X-touch electrodes via the plurality of touch contact holes; a touch driving circuit for supplying touch driving signals to the plurality of X-touch electrode lines and for sensing a touch by detecting touch sensing signals from the plurality of Y-touch electrode lines. ### Claim 28 (depends on 27) The touch display device of claim 27, further comprising: a second X-touch electrode line arranged parallel to the X-touch electrode line along the second direction; and a shifting area between the X-touch electrode line and the second X-touch electrode line; wherein the X-touch line extends diagonally to the first direction in the shifting area.