# US 2019/0377445 A1 · Display device including a touch member > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0377445 A1 - Document ID: US20190377445A1 - Status: Published application - Kind: A1 - Application number: 16/190,973 - Filed: 2018-11-14 - Published: 2019-12-12 - Earliest claimed: 2018-06-08 - Assignees: Samsung Display Co., Ltd. - Applicants: Samsung Display Co., Ltd. - Inventors: HWAN HEE JEONG; Ki Cheol Kim - Web page: https://patentgrep.com/patent/US20190377445A1 ## CPC - G06F 1/1652: {the display being flexible, e.g. mimicking a sheet of paper, or rollable} - G06F 3/0412: {Digitisers structurally integrated in a display} - G06F 1/26: Power supply means, e.g. regulation thereof (for memories G11C) - G06F 1/3262: {Power saving in digitizer or tablet} - G06F 3/04164: {Connections between sensors and controllers, e.g. routing lines between electrodes and connection pads} - G06F 3/0446: {using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes} - G06F 3/047: using sets of wires, e.g. crossed wires - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) ## Abstract A display device includes a first region including a display area. A second region of the display device includes a pad unit. A bending region is disposed between the first region and the second region. A plurality of signal wirings extends from the second region to the first region and crosses through the bending region. The plurality of signal wirings includes a plurality of touch signal wirings and a first power supply wiring. The plurality of touch signal wirings at least partially overlaps the first power supply wiring in the first region. ## Claims ### Claim 1 A display device, comprising: a first region including a display area; a second region including a pad unit; a bending region disposed between the first region and the second region; and a plurality of signal wirings extending from the second region to the first region and crossing through the bending region, wherein the plurality of signal wirings includes a plurality of touch signal wirings and a first power supply wiring, and wherein the plurality of touch signal wirings at least partially overlap the first power supply wiring in the first region. ### Claim 2 (depends on 1) The display device of claim 1, wherein, in the bending region, the plurality of touch signal wirings and the first power supply wiring are formed of a same conductive layer, and in both the first region and the second region, the plurality of touch signal wirings and the first power supply wiring are formed of different conductive layers. ### Claim 3 (depends on 2) The display device of claim 2, wherein, in the bending region, the plurality of touch signal wirings is formed of a first conductive layer, and in both the first region and the second region, the plurality of touch signal wirings is formed of a second conductive layer electrically connected to the first conductive layer through a contact hole. ### Claim 4 (depends on 3) The display device of claim 3, wherein the first power supply wiring is formed of the first conductive layer in the first region, the second region, and the bending region. ### Claim 5 (depends on 3) The display device of claim 3, further comprising: a third conductive layer disposed to at least partially overlap an area where the first power supply wiring and the plurality of touch signal wirings overlap each other, wherein the first power supply wiring is disposed between the plurality of touch signal wirings and the third conductive layer. ### Claim 6 (depends on 1) The display device of claim 1, wherein the first power supply wiring includes a portion having a larger width than that of the bending region in the first region. ### Claim 7 (depends on 1) The display device of claim 1, wherein the plurality of touch signal wirings at least partially overlaps the first power supply wiring in the second region. ### Claim 8 (depends on 1) The display device of claim 1, wherein the plurality of signal wirings further includes a second power supply wiring. ### Claim 9 (depends on 8) The display device of claim 8, wherein the first power supply wiring and the second power supply wiring are formed of a same conductive layer, and are spaced apart from each other. ### Claim 10 (depends on 9) The display device of claim 9, wherein the plurality of touch signal wirings is disposed between the first power supply wiring and the second power supply wiring. ### Claim 11 (depends on 9) The display device of claim 9, wherein the plurality of touch signal wirings at least partially overlaps the second power supply wiring in the second region. ### Claim 12 (depends on 11) The display device of claim 11, wherein the second power supply wiring includes a portion having a larger width than that of the bending region in the second region. ### Claim 13 A display device, comprises: a substrate including: a first region including a display area; a second region including a pad unit; a bending region disposed between the first region and the second region; and a plurality of signal wirings extending from the second region to the first region, and crossing the bending region; a gate conductive layer disposed on the substrate; a first insulating layer disposed on the gate conductive layer; a data conductive layer disposed on the first insulating layer; a second insulating layer disposed on the data conductive layer; and a touch conductive layer disposed on the second insulating layer, wherein the plurality of signal wirings includes a plurality of touch signal wirings and a first power supply wiring, wherein the first power supply wiring includes the data conductive layer, wherein each of the plurality of touch signal wirings includes the touch conductive layer in the first region and the second region and further includes the data conductive layer in the bending region, and wherein the plurality of touch signal wirings at least partially overlaps the first power supply wiring in the first region. ### Claim 14 (depends on 13) The display device of claim 13, wherein the first power supply wiring includes a portion having a larger width than that of the bending region in the first region. ### Claim 15 (depends on 13) The display device of claim 13, wherein the plurality of touch signal wirings at least partially overlaps the first power supply wiring in the second region ### Claim 16 (depends on 13) The display device of claim 13, wherein the plurality of signal wirings further includes a second power supply wiring. ### Claim 17 (depends on 16) The display device of claim 16, wherein the second power supply wiring includes the data conductive layer. ### Claim 18 (depends on 17) The display device of claim 17, wherein the plurality of touch signal wirings is disposed between the first power supply wiring and the second power supply wiring. ### Claim 19 (depends on 17) The display device of claim 17, wherein the plurality of touch signal wirings at least partially overlaps the second power supply wiring in the second region. ### Claim 20 A display device, comprising: a substrate including: a first region including a display area having a touch area defined therein; a second region including a pad unit; a bending region disposed between the first region and the second region; and a plurality of signal wirings extending from the second region to the first region, and crossing the bending region; a gate conductive layer disposed on the substrate; a first insulating layer disposed on the gate conductive layer; a data conductive layer disposed on the first insulating layer; a second insulating layer disposed on the data conductive layer; an anode electrode disposed on the second insulating layer; a bank layer including an opening exposing the anode electrode; a light emitting layer disposed within the opening of the bank layer on the anode electrode; a cathode electrode disposed on the light emitting layer; an encapsulation layer disposed on the cathode electrode; a first touch conductive layer disposed on the encapsulation layer; a first touch insulating layer disposed on the first touch conductive layer; and a second touch conductive layer disposed on the first touch insulating layer, wherein the plurality of signal wirings includes a plurality of touch signal wirings and a first power supply wiring, wherein the first power supply wiring includes the data conductive layer, wherein each of the touch signal wirings includes the first touch conductive layer and the second touch conductive layer in the first region and the second region and further includes the data conductive layer in the bending region, and wherein the plurality of touch signal wirings at least partially overlap the first power supply wiring in the first region. ### Claim 21 (depends on 20) The display device of claim 20, further comprising: a plurality of first sensing electrodes and a plurality of second sensing electrodes disposed in the display area, wherein each of the plurality of first sensing electrodes includes a plurality of first sensor units arranged in a first direction and a first connection unit connecting the adjacent first sensor units, and wherein each of the plurality of second sensing electrodes includes a plurality of second sensor units arranged in a second direction crossing the first direction and a second connection unit connecting the adjacent second sensor units. ### Claim 22 (depends on 21) The display device of claim 21, wherein the first connection unit is formed of the first touch conductive layer, and each of the first sensor unit, the second sensor unit, and the second connection unit is formed of the second touch conductive layer. ### Claim 23 (depends on 21) The display device of claim 21, wherein the first sensor unit and the second sensor unit each include a mesh pattern. ### Claim 24 (depends on 23) The display device of claim 23, wherein the mesh pattern at least partially overlaps the bank layer. ### Claim 25 (depends on 24) The display device of claim 24, wherein each of the first touch conductive layer and the second touch conductive layer includes an opaque metal. ### Claim 26 (depends on 20) The display device of claim 20, wherein, in the second region, the plurality of touch signal wirings at least partially overlaps the first power source supply wiring. ### Claim 27 (depends on 20) The display device of claim 20, wherein each of the plurality of signal wirings includes the data conductive layer. ### Claim 28 (depends on 27) The display device of claim 27, wherein the plurality of touch signal wirings is disposed between the first power supply wiring and the second power supply wiring. ### Claim 29 (depends on 28) The display device of claim 28, wherein, in the second region, the plurality of touch signal wirings at least partially overlaps the second power supply wiring. ### Claim 30 (depends on 20) The display device of claim 20, further comprising: a base layer disposed between the encapsulation layer and the first touch conductive layer and including an inorganic material. ### Claim 31 (depends on 20) The display device of claim 20, further comprising: a second touch insulating layer disposed on the second touch conductive layer.