# US 2020/0401246 A1 · Display device including a touch detecting unit having an insulating pattern > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2020/0401246 A1 - Document ID: US20200401246A1 - Status: Published application - Kind: A1 - Application number: 16/837,468 - Filed: 2020-04-01 - Published: 2020-12-24 - Earliest claimed: 2019-06-20 - Assignees: Samsung Display Co., Ltd. - Applicants: Samsung Display Co., Ltd. - Inventors: Sun Hee Lee; Sun Ho Kim; Hyun Jun Kim; Ju Chan Park; Hyun Kim - Web page: https://patentgrep.com/patent/US20200401246A1 ## CPC - G06F 3/041: Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means - 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 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) - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES ## Abstract A display device includes a pixel including a first electrode, an emission layer, and a second electrode, a buffer layer disposed on the pixel, a first insulating pattern disposed on the buffer layer, and a second insulating pattern disposed on the first insulating pattern and having an island shape. The pixel, the buffer layer, the first insulating pattern, and the second insulating pattern are disposed in a thickness direction, and the second insulating pattern overlaps the pixel in the thickness direction. ## Claims ### Claim 1 A display device comprising: a pixel comprising a first electrode, an emission layer, and a second electrode; a buffer layer disposed on the pixel; a first insulating pattern disposed on the buffer layer; and a second insulating pattern disposed on the first insulating pattern and having an island shape, wherein the pixel, the buffer layer, the first insulating pattern, and the second insulating pattern are disposed in a thickness direction, and wherein the second insulating pattern overlaps the pixel in the thickness direction. ### Claim 2 (depends on 1) The display device of claim 1, further comprising: a first insulating layer disposed between the first insulating pattern and the second insulating pattern; and touch electrodes disposed on the first insulating layer and located on a same layer as the second insulating pattern. ### Claim 3 (depends on 2) The display device of claim 2, wherein the touch electrodes comprise mesh holes, and wherein the first insulating pattern overlaps the touch electrodes in the thickness direction. ### Claim 4 (depends on 3) The display device of claim 3, wherein the second insulating pattern is located in the mesh holes. ### Claim 5 (depends on 4) The display device of claim 4, wherein the first insulating pattern and the second insulating pattern do not overlap each other in the thickness direction. ### Claim 6 (depends on 5) The display device of claim 5, wherein the second insulating pattern includes a plurality of second insulating patterns spaced apart from one another, and a distance between adjacent second insulating patterns among the plurality of second insulating patterns is greater than a width of one of the touch electrodes. ### Claim 7 (depends on 6) The display device of claim 6, further comprising: a second insulating layer covering the touch electrodes and the second insulating pattern, wherein the first insulating layer and the second insulating layer include an organic material, and the first insulating pattern and the second insulating pattern include an inorganic material. ### Claim 8 (depends on 7) The display device of claim 7, further comprising: a third insulating pattern disposed between the pixel and the second insulating pattern, wherein the third insulating pattern overlaps the pixel and the second insulating pattern in the thickness direction. ### Claim 9 (depends on 8) The display device of claim 8, further comprising: a fourth insulating pattern disposed on the second insulating layer, wherein the fourth insulating pattern overlaps the touch electrodes in the thickness direction. ### Claim 10 (depends on 9) The display device of claim 9, wherein the fourth insulating pattern overlaps a portion of the second insulating pattern in the thickness direction, and the fourth insulating pattern does not overlap the pixel in the thickness direction. ### Claim 11 (depends on 10) The display device of claim 10, further comprising: a third insulating layer covering the fourth insulating pattern and the second insulating layer, wherein the third insulating layer includes an organic material, and the third insulating pattern and the fourth insulating pattern include an inorganic material. ### Claim 12 (depends on 4) The display device of claim 4, wherein a thickness of the second insulating pattern is greater than a thickness of the touch electrodes. ### Claim 13 (depends on 4) The display device of claim 4, wherein the second insulating pattern covers a portion of the touch electrodes. ### Claim 14 (depends on 4) The display device of claim 4, wherein the second insulating pattern is spaced apart from the touch electrodes. ### Claim 15 A display device comprising: a pixel comprising a first electrode, an emission layer, and a second electrode; a buffer layer disposed on the pixel; a first insulating pattern disposed on the buffer layer and having an island shape; and a second insulating pattern disposed on the first insulating pattern and having an island shape, wherein the pixel, the buffer layer, the first insulating pattern, and the second insulating pattern are disposed in a thickness direction, and wherein the first insulating pattern and the second insulating pattern do not overlap the pixel in the thickness direction. ### Claim 16 (depends on 15) The display device of claim 15, further comprising: touch electrodes disposed between the first insulating pattern and the second insulating pattern, wherein the first insulating pattern and the second insulating pattern overlap the touch electrodes in the thickness direction. ### Claim 17 (depends on 16) The display device of claim 16, wherein the first insulating pattern and the second insulating pattern do not overlap each other in the thickness direction. ### Claim 18 (depends on 17) The display device of claim 17, wherein the second insulating pattern covers a side surface of one of the touch electrodes. ### Claim 19 (depends on 18) The display device of claim 18, further comprising: a first insulating layer disposed between the first insulating pattern and the touch electrodes; and a second insulating layer covering the touch electrodes and the second insulating pattern. ### Claim 20 (depends on 19) The display device of claim 19, wherein the first insulating layer and the second insulating layer include an organic material, and the first insulating pattern and the second insulating pattern include an inorganic material. ### Claim 21 A display device comprising: a pixel comprising a first electrode, an emission layer, and a second electrode; a buffer layer disposed on the pixel; a plurality of touch electrodes disposed on the buffer layer; a plurality of first insulating patterns disposed on the buffer layer; a first insulating layer covering the plurality of touch electrodes and the plurality of first insulating patterns; and a plurality of second insulating patterns disposed on the first insulating layer, wherein the pixel, the buffer layer, the plurality of touch electrodes, the plurality of first insulating patterns, the first insulating layer, and the plurality of second insulating patterns are disposed in a thickness direction, and wherein each of the plurality of touch electrodes overlaps and contacts one of the plurality of first insulating patterns in the thickness direction.