# US 10,455,710 B2 · Display device including a winder > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,455,710 B2 - Document ID: US10455710B2 - Status: Granted - Kind: B2 - Application number: 15/626,311 - Filed: 2017-06-19 - Published: 2018-01-11 - Granted: 2019-10-22 - Earliest claimed: 2016-07-05 - Assignees: Samsung Display Co., Ltd. - Applicants: Samsung Display Co., Ltd. - Inventors: Min-Sung Kim; Tae An Seo; Jung Hun Lee; Jin Hwan Choi - Web page: https://patentgrep.com/patent/US10455710B2 ## CPC - G02F 1/133305: {Flexible substrates, e.g. plastics, organic film} - G06F 1/1652: {the display being flexible, e.g. mimicking a sheet of paper, or rollable} - G09F 9/301: {flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED} - H05K 5/0217: {Mechanical details of casings (covers, lids, hoods or members for covering apertures H05K5/03)} - H10K 2102/311: {Flexible OLED} - 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 - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - G09F: DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES ## Abstract A display device including: a display panel configured to display an image; and a winder configured to fix a first end portion of the display panel thereinto, wherein the winder includes a first fixing portion including a first external surface which is curved, and a second fixing portion that includes a second external surface which is curved and that faces the first external surface, wherein the first end portion of the display panel may be interposed between the first external surface and the second external surface. ## Claims ### Claim 1 A display device, comprising: a display panel configured to display an image; and a winder configured to fix a first end portion of the display panel thereinto and configured to rotate to wind the display panel, wherein the winder includes: a first fixing portion including a first external surface which is curved, and a second fixing portion including a second external surface which is curved and that faces the first external surface, wherein the first end portion of the display panel is sandwiched between the first external surface and the second external surface. ### Claim 2 (depends on 1) The display device of claim 1, wherein the first external surface includes: a first curved surface convexly protruded in a first direction, and a second curved surface that is adjacent to the first curved surface and that is concavely protruded in a second direction. ### Claim 3 (depends on 2) The display device of claim 2, wherein a curvature radius of the first curved surface is the same as that of the second curved surface. ### Claim 4 (depends on 2) The display device of claim 2, wherein a curvature radius of the first curved surface is different from that of the second curved surface. ### Claim 5 (depends on 2) The display device of claim 2, wherein the second external surface includes: a third curved surface that faces the first curved surface, and a fourth curved surface that is adjacent to the third curved surface, and faces the second curved surface. ### Claim 6 (depends on 5) The display device of claim 5, wherein a curvature radius of the third curved surface is the same as that of the fourth curved surface. ### Claim 7 (depends on 5) The display device of claim 5, wherein a curvature radius of the third curved surface is different from that of the fourth curved surface. ### Claim 8 (depends on 5) The display device of claim 5, wherein a curvature radius of the first curved surface is approximately equal to that of the third curved surface. ### Claim 9 (depends on 5) The display device of claim 5, wherein a curvature radius of the second curved surface is approximately equal to that of the fourth curved surface. ### Claim 10 (depends on 1) The display device of claim 1, wherein the winder has a cylindrical shape, and the first end portion of the display panel is wound on the winder. ### Claim 11 (depends on 1) The display device of claim 1, wherein an adhesive layer is interposed between the display panel and the first external surface or between the display panel and the second external surface. ### Claim 12 (depends on 1) The display device of claim 1, wherein the display panel includes a display area for displaying an image and a peripheral area positioned at a periphery of the display area, and the peripheral area of the display panel is inserted in and fixed to the winder. ### Claim 13 (depends on 1) The display device of claim 1, further comprising: a fastening portion that fixes the first fixing portion and the second fixing portion to each other. ### Claim 14 (depends on 13) The display device of claim 13, wherein the fastening portion includes: a bolt passing through the first fixing portion and the second fixing portion, and a nut for engaging with the bolt. ### Claim 15 (depends on 13) The display device of claim 13, wherein the fastening portion includes: a first protrusion disposed at a first end portion of the first fixing portion, a second protrusion disposed at a second end portion of the second fixing portion, and a case configured to receive the first protrusion and the second protrusion. ### Claim 16 (depends on 1) The display device of claim 1, wherein the first fixing portion and the second fixing portion are respectively made of stainless steel (SUS), invar, nickel, cobalt, aluminum, titanium, an alloy thereof, an acryl, or wood.