# US 2021/0278928 A1 · Display device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0278928 A1 - Document ID: US20210278928A1 - Status: Published application - Kind: A1 - Application number: 17/313,048 - Filed: 2021-05-06 - Published: 2021-09-09 - Earliest claimed: 2016-11-10 - Assignees: Samsung Display Co., Ltd. - Applicants: Samsung Display Co., Ltd. - Inventors: Hwa-Jeong KIM; Nayun KWAK; Sanghyun JUN; Changyong JUNG - Web page: https://patentgrep.com/patent/US20210278928A1 ## CPC - G06F 3/0443: {using a single layer of sensing electrodes} - G06F 3/0412: {Digitisers structurally integrated in a display} - G06F 3/0418: {for error correction or compensation, e.g. based on parallax, calibration or alignment} - G06F 3/0446: {using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes} - H10K 59/40: OLEDs integrated with touch screens - G06F 3/04164: {Connections between sensors and controllers, e.g. routing lines between electrodes and connection pads} - 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 59/12: Active-matrix OLED [AMOLED] displays - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES ## Abstract Provided is a display device including a display panel and an input sensing unit. The input sensing unit includes at least one insulation layer, an electrode, and an auxiliary electrode. The electrode includes sensor parts including a metal and having a mesh shape and connection parts connecting adjacent sensor parts of the sensor parts to each other. The auxiliary electrode overlaps the sensor parts, is connected to the sensor parts, and includes transparent conductive oxide. ## Claims ### Claim 1 A display device comprising: a display panel comprising a plurality of emission areas spaced apart from each other and a non-emission area disposed between the plurality of emission areas; and an input sensing unit comprising first and second electrodes disposed on the display panel, wherein each of the first and second electrodes comprise: sensor part having a metal and a mesh shape; auxiliary sensor part having a transparent conductive oxide and electrically connected to the sensor part, wherein the sensor part overlap a corresponding area of the non-emission area and comprise a plurality of holes, and the auxiliary sensor part overlap the sensor part, corresponding areas of the plurality of emission areas, and a corresponding area of the non-emission area. ### Claim 2 (depends on 1) The display device of claim 1, wherein the input sensing unit further comprise an insulating layer disposed between the sensor part and the auxiliary sensor part, and the sensor part is connected to the auxiliary sensor part by a contact hole defined in the insulating layer. ### Claim 3 (depends on 2) The display device of claim 2, wherein the auxiliary sensor part is disposed between the display panel and the sensor part. ### Claim 4 (depends on 1) The display device of claim 1, wherein the sensor part contacts the auxiliary sensor part. ### Claim 5 (depends on 4) The display device of claim 4, wherein the display panel includes an organic light emitting diode and a thin film encapsulation layer sealing the organic light emitting diode, and the input sensing unit further comprise an insulating layer disposed between the thin film encapsulation layer and the auxiliary sensor part. ### Claim 6 (depends on 5) The display device of claim 5, wherein the auxiliary sensor part contacts the insulating layer. ### Claim 7 (depends on 1) The display device of claim 1, wherein the auxiliary sensor part covers the sensor part. ### Claim 8 (depends on 7) The display device of claim 7, wherein the display panel includes an organic light emitting diode and a thin film encapsulation layer sealing the organic light emitting diode, the input sensing unit further comprise an insulating layer disposed on the thin film encapsulation layer, and each of the auxiliary sensor part and the sensor part contacts the insulating layer. ### Claim 9 (depends on 1) The display device of claim 1, wherein the first and second electrodes have a substantially same shape each other. ### Claim 10 (depends on 1) The display device of claim 1, wherein the input sensing unit further comprise first and second signal lines are electrically connected to the first and second electrodes, respectively. ### Claim 11 (depends on 10) The display device of claim 10, wherein each of the first and second signal lines overlaps a corresponding area of the non-emission area. ### Claim 12 (depends on 10) The display device of claim 10, wherein each of the first and second signal lines has a mesh shape. ### Claim 13 (depends on 1) The display device of claim 1, wherein the input sensing unit further comprises a noise shield electrode disposed under the sensor part and the auxiliary sensor part. ### Claim 14 (depends on 13) The display device of claim 13, wherein the display panel includes an organic light emitting diode and a thin film encapsulation layer sealing the organic light emitting diode, and the noise shield electrode contacts the thin film encapsulation layer.