# US 10,502,991 B2 · Origami displays and methods for their manufacture > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,502,991 B2 - Document ID: US10502991B2 - Status: Granted - Kind: B2 - Application number: 15/017,383 - Filed: 2016-02-05 - Published: 2016-08-11 - Granted: 2019-12-10 - Earliest claimed: 2015-02-05 - Assignees: Arizona Board of Regents on behalf of Arizona State University - Applicants: Arizona Board of Regents on behalf of Arizona State University - Inventors: Hongyu Yu; Hanqing Jiang - Web page: https://patentgrep.com/patent/US10502991B2 ## CPC - G02F 1/133305: {Flexible substrates, e.g. plastics, organic film} - G09F 9/301: {flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED} - G09G 2380/02: Flexible displays - G02F: OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS - G09F: DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS - 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) ## Abstract A flexible electronic display is provided. The display includes a substrate having a plurality of rigid portions, at least one display circuit positioned on a surface of each of the plurality of rigid portions, and at least one flexible interconnect electrically connected to the at least one display circuit. The at least one interconnect is flexible such that each of the plurality of rigid portions may be folded or stretched relative to one another. ## Claims ### Claim 1 An origami-based flexible electronic display, comprising: a rigid substrate; a plurality of creases formed in the rigid substrate thereby forming an origami pattern of a plurality of rigid portions; a pixelated display portion attached to the plurality of rigid portions; at least one display circuit positioned on a top surface of the plurality of the rigid portions; a plurality of flexible serpentine-shaped interconnects in the creases and electrically connected to the at least one display circuit, wherein the plurality of serpentine-shaped interconnects are flexible and stretchable such that the plurality of rigid portions may be folded and stretched along the creases relative to one another according to the origami pattern; wherein each of the pixelated display portions form an overall visual display on the electronic display when unfolded from an origami-folded and compact size to a flat configuration. ### Claim 2 (depends on 1) The flexible electronic display of claim 1, wherein the at least one flexible serpentine-shaped interconnect comprises at least one conductor. ### Claim 3 (depends on 1) The flexible electronic display of claim 1, wherein the plurality of pixelated display portions comprises at least one of a liquid crystal display (LCD), light emitting diode (LED) display, an organic light emitting diode (OLED) display, or a thin film display. ### Claim 4 (depends on 1) The flexible electronic display of claim 1, further comprising a top encapsulation layer extending from a first pixelated display portion for covering a first flexible serpentine-shaped interconnect extending between a first rigid portion and a second rigid portion to partially cover the first flexible serpentine-shaped interconnect during a folding process; a bottom encapsulation layer extending from a second rigid portion for covering a second flexible serpentine-shaped interconnect extending between the first rigid portion and a third rigid portion to partially cover the second flexible serpentine-shaped interconnect during a folding process, and wherein the top encapsulation layer or the bottom encapsulation layer is formed of polydimethylsiloxane and/or poly(p-xylylene). ### Claim 5 (depends on 4) The flexible electronic display of claim 4, wherein the first rigid portion and the second rigid portion may be folded relative to one another at an angle of at least 60 degrees. ### Claim 6 (depends on 4) The flexible electronic display of claim 4, further comprising at least one mechanical enhancing structure positioned between the first rigid portion and the second rigid portion. ### Claim 7 (depends on 6) The flexible electronic display of claim 6, wherein the at least one mechanical enhancing structure is foldable. ### Claim 8 (depends on 7) The flexible electronic display of claim 7, wherein the at least one mechanical enhancing structure is formed of poly(p-xylylene) or polytetrafluoroethylene. ### Claim 9 (depends on 4) The flexible electronic display of claim 4, further comprising at least one air-tight or moisture-tight sealing layer applied to the at least one display circuit. ### Claim 10 (depends on 1) The flexible electronic display of claim 1, wherein a first rigid portion and a second rigid portion may be twisted relative to one another. ### Claim 11 (depends on 1) The flexible electronic display of claim 1, wherein the rigid substrate is a silicon wafer. ### Claim 12 (depends on 1) The flexible electronic display of claim 1, wherein at least a portion of the at least one display circuit extends over one of the creases. ### Claim 13 (depends on 1) The flexible electronic display of claim 1, wherein a first pixelated display portion is smaller than a second pixelated display portion.