# US 2020/0401251 A1 · Flexible display device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2020/0401251 A1 - Document ID: US20200401251A1 - Status: Published application - Kind: A1 - Application number: 17/007,204 - Filed: 2020-08-31 - Published: 2020-12-24 - Earliest claimed: 2015-06-26 - Assignees: Samsung Display Co., Ltd. - Applicants: Samsung Display Co., Ltd. - Inventors: Dohyun KWON; Choongyoul IM; Mi Jang; Minjung Lee; Hyoungwook Jang; Kyuyoung Kim; Mugyeom Kim; Dongki Lee; Junghun Lee; Jangdoo Lee - Web page: https://patentgrep.com/patent/US20200401251A1 ## CPC - G06F 3/0445: {using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer} - G06F 3/044: by capacitive means - G06F 3/0446: {using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes} - H10K 50/8445: {multilayered coatings having a repetitive structure, e.g. having multiple organic-inorganic bilayers} - H10K 50/865: {comprising light absorbing layers, e.g. light-blocking layers} - H10K 59/1315: {comprising structures specially adapted for lowering the resistance} - H10K 59/38: comprising colour filters or colour changing media [CCM] - H10K 59/40: OLEDs integrated with touch screens - H10K 59/8731: {multilayered coatings having a repetitive structure, e.g. having multiple organic-inorganic bilayers} - H10K 59/8792: {comprising light absorbing layers, e.g. black layers} - G06F 2203/04102: Flexible digitiser, i.e. constructional details for allowing the whole digitising part of a device to be flexed or rolled like a sheet of paper - 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 2102/311: {Flexible OLED} - Y02E 10/549: Organic PV cells - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## Abstract A flexible display device including a display panel providing a base surface and a touch screen disposed on the base surface. The display panel may include a plurality of light emitting areas and a non-light emitting area disposed adjacent to the light emitting areas. A plurality of touch electrodes and a plurality of insulating layers of the touch screen may have a mesh shape through which openings corresponding to the plurality of light emitting areas are defined. Accordingly, a flexibility of the flexible display device is improved, and the touch electrode is prevented from being cracked. ## Claims ### Claim 1 A flexible display device, comprising: a display panel providing a base surface and comprising a plurality of light emitting areas and a non-light emitting area disposed adjacent to the plurality of light emitting areas; a plurality of conductive patterns disposed on the base surface; a first insulating layer disposed on the base surface and comprising a plurality of first openings defined to correspond to the plurality of light emitting areas; a second insulating layer disposed on the first insulating layer and comprising a plurality of second openings defined to correspond to the plurality of light emitting areas. ### Claim 2 (depends on 1) The flexible display device of claim 1, wherein each of the plurality of conductive patterns have a mesh shape through which a plurality of openings are defined. ### Claim 3 (depends on 1) The flexible display device of claim 1, wherein: the plurality of conductive patterns comprise a plurality of first touch electrodes extending in a first direction and arranged in a second direction crossing the first direction, and each of the plurality of first touch electrodes comprises a plurality of touch openings defined therein; and a plurality of second touch electrodes extending in the second direction and arranged in the first direction, and each of the plurality of second touch electrodes comprises a plurality of touch openings defined therein. ### Claim 4 (depends on 3) The flexible display device claim 3, wherein: each of the plurality of first touch electrodes comprise a plurality of first sensing parts arranged in the first direction and a plurality of first connecting parts each disposed between two first sensing parts adjacent to each other among the plurality of first sensing parts; each of the plurality of second touch electrodes comprise a plurality of second sensing parts disposed adjacent to the plurality of first sensing parts and a plurality of second connecting parts disposed between two second sensing parts adjacent to each other in the second direction among the plurality of second sensing parts; and one of the plurality of first sensing parts and the plurality of second sensing parts is disposed on a layer different from a layer on which the plurality of first sensing parts and the plurality of second sensing parts are disposed. ### Claim 5 (depends on 1) The flexible display device of claim 1, wherein the display panel comprises: a base substrate; a circuit layer disposed on the base substrate; an organic light emitting device layer disposed on the circuit layer; and a thin film encapsulation layer encapsulating the organic light emitting device layer. ### Claim 6 (depends on 5) The flexible display device of claim 5, wherein the thin film encapsulation layer provides the base surface. ### Claim 7 (depends on 6) The flexible display device of claim 6, wherein the thin film encapsulation layer comprises: a lower inorganic thin film layer configured to contact with the organic light emitting device layer; a plurality of c on the lower inorganic thin film layer; and a plurality of upper inorganic thin film layers alternately stacked with the organic thin film layers. ### Claim 8 (depends on 7) The flexible display device of claim 7, wherein the lower inorganic thin film layer comprises at least a lithium fluoride layer. ### Claim 9 (depends on 7) The flexible display device of claim 7, wherein a thin film layer disposed at an uppermost position among the organic thin film layers and the upper inorganic thin film layers alternately stacked with the organic thin film layers comprise third openings or grooves defined to correspond to the plurality of first openings. ### Claim 10 (depends on 6) The flexible display device of claim 6, wherein the thin film encapsulation layer comprises at least two inorganic thin film layers and an inorganic thin film layer disposed between the two inorganic thin film layers. ### Claim 11 (depends on 5) The flexible display device of claim 5, wherein the display panel further comprises a buffer layer disposed on the thin film encapsulation layer and providing the base surface. ### Claim 12 (depends on 11) The flexible display device of claim 11, wherein the buffer layer comprises a plurality of third openings or grooves defined to correspond to the plurality of first openings. ### Claim 13 (depends on 1) The flexible display device of claim 1, wherein the plurality of conductive patterns comprise: a plurality of first touch electrodes comprising a plurality of touch openings defined to correspond to the plurality of first openings; a plurality of first auxiliary electrodes spaced apart from the plurality of first touch electrodes, a plurality of second touch electrodes crossing the plurality of first touch electrodes, comprising a plurality of touch openings defined to correspond to the plurality of first openings, each of the plurality of second touch electrodes being electrically connected to a corresponding first auxiliary electrode of the plurality of first auxiliary electrodes; and a plurality of second auxiliary electrodes, each being electrically connected to a corresponding first touch electrode among the plurality of first touch electrodes. ### Claim 14 (depends on 13) The flexible display device of claim 13, wherein each of the plurality of first touch electrodes comprises a plurality of first sensing parts overlapped with corresponding second auxiliary electrodes among the plurality of second auxiliary electrodes and a plurality of first connecting parts each connecting two first sensing parts adjacent to each other among the plurality of first sensing parts, and each of the plurality of second touch electrodes comprise a plurality of second sensing parts overlapped with corresponding first auxiliary electrodes among the plurality of first auxiliary electrodes and a plurality of second connecting parts each connecting two second sensing parts adjacent to each other among the plurality of second sensing parts. ### Claim 15 (depends on 13) The flexible display device of claim 13, wherein each of the plurality of first auxiliary electrodes has a mesh shape, and each of the plurality of second auxiliary electrodes has a mesh shape. ### Claim 16 (depends on 1) The flexible display device of claim 1, further comprising a plurality of color filters each being disposed inside a corresponding first opening among the plurality of first openings. ### Claim 17 (depends on 16) The flexible display device of claim 16, wherein each of the plurality of color filters extends inside the corresponding second opening among the plurality of second openings. ### Claim 18 (depends on 16) The flexible display device of claim 16, wherein each of the first and second insulating layers is a black matrix. ### Claim 19 (depends on 16) The flexible display device of claim 16, wherein the second insulating layer is overlapped with the plurality of color filters. ### Claim 20 (depends on 16) The flexible display device of claim 16, further comprising a black matrix layer disposed on the second insulating layer and comprising a plurality of transmitting openings defined to correspond to the plurality of light emitting areas. ### Claim 21 A flexible display device, comprising: a display panel providing a base surface and comprising a plurality of light emitting areas and a non-light emitting area disposed adjacent to the plurality of light emitting areas; a plurality of first conductive patterns disposed on the base surface; a first black matrix disposed on the base surface, covering the first conductive patterns, and comprising a plurality of first openings defined to correspond to the plurality of light emitting areas; and a plurality of color filters each being disposed inside a corresponding first opening among the plurality of first openings. ### Claim 22 (depends on 21) The flexible display device of claim 21, further comprising: an insulating layer disposed on the first black matrix and the plurality of color filters and overlapped with the plurality of light emitting areas and the non-light emitting area; and a plurality of second conductive patterns disposed on the insulating layer. ### Claim 23 (depends on 22) The flexible display device of claim 22, wherein the plurality of second conductive patterns comprise at least one of chromium oxide, chromium nitride, titanium oxide, and titanium nitride. ### Claim 24 (depends on 23) The flexible display device of claim 23, further comprising a second black matrix disposed on the insulating layer, covering the plurality of second conductive patterns, and overlapped with the non-light emitting area. ### Claim 25 (depends on 24) The flexible display device of claim 24, wherein the second black matrix comprises a plurality of second openings defined to correspond to the plurality of light emitting areas. ### Claim 26 (depends on 24) The flexible display device of claim 24, wherein an edge of each of the plurality of color filters is overlapped with the second black matrix. ### Claim 27 (depends on 23) The flexible display device of claim 23, wherein each of the plurality of first conductive patterns and each of the plurality of second conductive patterns have a mesh shape through which a plurality of openings is defined. ### Claim 28 (depends on 22) The flexible display device of claim 22, wherein the plurality of first conductive patterns comprise a plurality of first touch electrodes extending in a first direction and arranged in a second direction crossing the first direction, and each of the plurality of first touch electrodes comprises a plurality of touch openings defined therein. ### Claim 29 (depends on 28) The flexible display device of claim 28, wherein the second conductive patterns comprise a plurality of second touch electrodes extending in the second direction and arranged in the first direction, and each of the plurality of second touch electrodes comprises a plurality of touch openings defined therein. ### Claim 30 (depends on 29) The flexible display device claim 29, wherein each of the plurality of first touch electrodes has a constant width in the first direction, two first touch electrodes adjacent to each other among the plurality of first touch electrodes are spaced apart from each other in the first direction by a first interval, each of the plurality of second touch electrodes has a constant width in the second direction, and two second touch electrodes adjacent to each other among the plurality of second touch electrodes are spaced apart from each other in the second direction by a second interval greater than the first interval. ### Claim 31 (depends on 30) The flexible display device claim 30, wherein each of the plurality of first touch electrodes comprises a plurality of first sensing parts arranged in the first direction and a plurality of first connecting parts each disposed between two first sensing parts adjacent to each other among the plurality of first sensing parts, and the plurality of first conductive patterns further comprise a plurality of second sensing parts disposed adjacent to the plurality of first sensing parts. ### Claim 32 (depends on 31) The flexible display device claim 31, wherein the plurality of second conductive patterns comprise a plurality of second connecting parts each disposed between two second sensing parts adjacent to each other in the second direction among the plurality of second sensing parts through a plurality of contact holes defined by the first black matrix and the insulating layer. ### Claim 33 (depends on 28) The flexible display device of claim 28, wherein: the plurality of first conductive patterns comprise: first touch electrodes comprising a plurality of touch openings defined to correspond to the plurality of first openings; and a plurality of shielding electrodes spaced apart from the plurality of first touch electrodes; and the plurality of second conductive patterns comprise a plurality of second touch electrodes crossing the plurality of first touch electrodes, the plurality of second touch electrodes comprising a plurality of touch openings defined to correspond to the plurality of first openings, and each being overlapped with a corresponding shielding electrode among the plurality of shielding electrodes. ### Claim 34 (depends on 33) The flexible display device of claim 33, wherein each of the plurality of first touch electrodes comprises a plurality of first sensing parts and a plurality of first connecting parts each connecting two first sensing parts adjacent to each other among the plurality of first sensing parts, and each of the plurality of second touch electrodes comprises a plurality of second sensing parts each being overlapped with corresponding shielding electrodes among the plurality of shielding electrodes and a plurality of second connecting parts each connecting two second sensing parts adjacent to each other among the plurality of second sensing parts. ### Claim 35 (depends on 33) The flexible display device of claim 33, wherein the plurality of shielding electrodes receive a ground voltage. ### Claim 36 A flexible display device, comprising: a display panel providing a base surface and comprising a plurality of light emitting areas and a non-light emitting area disposed adjacent to the plurality of light emitting areas; a plurality of first conductive patterns disposed on the base surface; a plurality of color filters disposed on the base surface, each of the plurality of color filters comprising a center portion overlapped with a corresponding light emitting area among the plurality of light emitting areas and an edge portion extending from the center portion, overlapped with the non-light emitting area, and overlapped with a corresponding first conductive pattern among the plurality of first conductive patterns; and a black matrix overlapped with the plurality of non-light emitting area, wherein the edge portion is disposed between the base surface and the black matrix. ### Claim 37 (depends on 36) The flexible display device of claim 36, further comprising a plurality of second conductive patterns disposed on the plurality of color filters and overlapped with the non-light emitting area. ### Claim 38 (depends on 37) The flexible display device of claim 37, wherein the edge portion of some color filters among the plurality of color filters makes contact with the corresponding first conductive pattern among the plurality of first conductive patterns. ### Claim 39 (depends on 37) The flexible display device of claim 37, wherein the black matrix is disposed on the plurality of color filters and covers the second conductive patterns. ### Claim 40 (depends on 39) The flexible display device of claim 39, further comprising an insulating layer covering the plurality of color filters, the plurality of second conductive patterns disposed on the insulating layer, and the black matrix disposed on the insulating layer and covering the plurality of second conductive patterns. ### Claim 41 (depends on 37) The flexible display device of claim 37, wherein the black matrix comprises: a first black matrix disposed on the base surface to cover the plurality of first conductive patterns; and a second black matrix disposed on the plurality of color filters to cover the plurality of second conductive patterns. ### Claim 42 (depends on 41) The flexible display device of claim 41, further comprising an insulating layer covering the plurality of color filters, and wherein the second black matrix is disposed on the insulating layer. ### Claim 43 (depends on 36) The flexible display device of claim 36, wherein the plurality of color filters comprise at least one of a red color filter, green color filter, and blue color filter. ### Claim 44 (depends on 36) The flexible display device of claim 36, wherein the plurality of color filters comprise a first color filter and a second color filter adjacent to the first color filter, and the edge portion of the first color filter makes contact with the edge portion of the second color filter. ### Claim 45 (depends on 36) The flexible display device of claim 36, wherein the plurality of color filters comprise a first color filter and a second color filter adjacent to the first color filter, and the edge portion of the first color filter is overlapped with the edge portion of the second color filter.