# US 2018/0024675 A1 · Stretchable display > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2018/0024675 A1 - Document ID: US20180024675A1 - Status: Published application - Kind: A1 - Application number: 15/721,305 - Filed: 2017-09-29 - Published: 2018-01-25 - Earliest claimed: 2015-04-30 - Assignees: Samsung Display Co., Ltd. - Applicants: Samsung Display Co., Ltd. - Inventors: Jong Ho HONG; Won Sang PARK; Won Il CHOI - Web page: https://patentgrep.com/patent/US20180024675A1 ## CPC - G09G 3/3233: with pixel circuitry controlling the current through the light-emitting element - G06F 1/1652: {the display being flexible, e.g. mimicking a sheet of paper, or rollable} - G06F 3/0443: {using a single layer of sensing electrodes} - G06F 3/0446: {using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes} - G09G 3/035: {for flexible display surfaces} - H10K 59/353: {characterised by the geometrical arrangement of the RGB subpixels} - 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 - H10K 59/12: Active-matrix OLED [AMOLED] displays - H10K 59/131: Interconnections, e.g. wiring lines or terminals - H10K 77/111: {Flexible substrates} - G09G: ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION (arrangements for transferring data between digital computers and displays G06F3/14; static indicating arrangements comprising an association of a number of separate sources or light control cells G09F9/00; static indicating arrangements comprising integral associations of a number of light sources H01J, H01K, H10H, H05B33/12; scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission, details thereof H04N1/00) - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES ## Abstract A stretchable display includes: a stretchable substrate including first areas and second areas; main pixels disposed on the first areas of the stretchable substrate, the main pixels configured to display different colors; and at least one sub-pixel disposed on the second areas of the stretchable substrate, the at least one sub-pixel being configured to display one color that is the same as any one of the main pixels, wherein the sub-pixel is configured to turn on in response to the stretchable substrate being stretched. ## Claims ### Claim 1 A stretchable display comprising: a stretchable substrate comprising first areas and second areas; main pixels disposed on the first areas of the stretchable substrate, the main pixels configured to display different colors; and at least one sub-pixel disposed on the second areas of the stretchable substrate, the at least one sub-pixel being configured to display one color that is the same as any one of the main pixels, wherein the sub-pixel is configured to turn on in response to the stretchable substrate being stretched. ### Claim 2 (depends on 1) The stretchable display of claim 1, further comprising: sensing lines disposed on the stretchable substrate, wherein a resistance of the sensing lines is configured to change in response to a degree of distortion of the stretchable substrate. ### Claim 3 (depends on 2) The stretchable display of claim 2, wherein the sensing lines comprise: first sensing lines disposed extending in a first direction; and second sensing lines disposed crossing the first sensing lines, wherein the first sensing lines and the second sensing lines are insulated from each other. ### Claim 4 (depends on 2) The stretchable display of claim 2, wherein the sensing lines comprise at least one material selected from the group consisting of metal nano wire, carbon nano tube, and graphene. ### Claim 5 (depends on 1) The stretchable display of claim 1, wherein the first areas comprise islands; and the second areas comprise horizontal bridges and vertical bridges. ### Claim 6 (depends on 1) The stretchable display of claim 1, wherein the stretchable substrate comprises cutouts disposed between adjacent first areas and adjacent second areas, and the first area and the second area are disposed adjacently. ### Claim 7 (depends on 1) The stretchable display of claim 1, wherein: the first areas comprise first small substrates; and the second areas comprise second small substrates. ### Claim 8 (depends on 7) The stretchable display of claim 7, wherein the first small substrates and the second small substrates are made of different materials. ### Claim 9 (depends on 8) The stretchable display of claim 8, wherein the second small substrates are made of a stretchable material. ### Claim 10 (depends on 7) The stretchable display of claim 7, wherein the second areas connect adjacent first areas. ### Claim 11 (depends on 1) The stretchable display of claim 1, wherein the main pixels comprise a red pixel, a green pixel, and a blue pixel. ### Claim 12 (depends on 11) The stretchable display of claim 11, wherein the sub-pixel comprises a green pixel. ### Claim 13 (depends on 1) The stretchable display of claim 1, wherein the sub-pixel is selectively driven in response to a degree of distortion of the stretchable substrate. ### Claim 14 (depends on 13) The stretchable display of claim 13, wherein the stretchable substrate is configured to stretch in a first direction. ### Claim 15 (depends on 14) The stretchable display of claim 14, wherein the stretchable substrate is configured to simultaneously stretch in the first direction and a second direction, wherein the second direction is orthogonal to the first direction. ### Claim 16 (depends on 1) The stretchable display of claim 1, further comprising: a touch substrate disposed on the stretchable substrate; and sensing lines disposed on the touch substrate, wherein a resistance of the sensing lines is configured to change in response to a degree of distortion of the stretchable substrate. ### Claim 17 (depends on 16) The stretchable display of claim 16, wherein: the sensing lines comprise: first sensing lines disposed extending in a first direction; and second sensing lines disposed crossing the first sensing lines. ### Claim 18 (depends on 17) The stretchable display of claim 17, wherein: the sensing lines comprise at least one material selected from the group consisting of metal nano wire, carbon nano tube, and graphene. ### Claim 19 (depends on 1) The stretchable display of claim 1, wherein: each of the main pixels and sub-pixels comprises: a transistor; and a light emitting element connected to the transistor. ### Claim 20 (depends on 1) The stretchable display of claim 1, further comprising: a touch substrate disposed on the stretchable substrate, wherein a resistance of the touch substrate is configured to change in response to a degree of distortion of the stretchable substrate.