STRUCTURE

WIPO Patent Application WO/2020/255426

A1

Provided is a lightweight structure that can be used for a flexible screen, a shape-variable display device, and the like, and in particular, can stably maintain a winding storage state and a unwinding self-standing and support state, and can be easily transited between these two states.　A first member, which has a strip- or plate-shaped thin plate and has a convex shape in a cross section perpendicular to the longitudinal direction, and a convex shape side as an inner peripheral side, and which has a property of being wound in a coil shape in the longitudinal direction, and a second member which has a strip- or plate-shaped thin plate and has a convex shape in a cross section perpendicular to the longitudinal direction, are combined and arranged such that the convex shape sides face inward and are in contact with each other over the entire length thereof in the longitudinal direction. Accordingly, a winding state and a vertically self-standing state can be stably maintained. The first member and the second member can be easily wound by fixing one end or a portion thereof. Furthermore, it is preferable that these members are made of a material having a yield strength of 600 MPa or more, preferably, 1000 MPa or more, and more preferably 1650 MPa or more.

OTA HIROKI (JP)
MATSUMURA YUTA (JP)
SUGA KANAKO (JP)

PCT/JP2019/025933

December 24, 2020

June 28, 2019

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TOKUSHU KINZOKU EXCEL CO LTD (JP)

G03B21/58; G09F9/30; H04N5/74

JPH11256953A	1999-09-21
JP3158236U	2010-03-25
JP2016130853A	2016-07-21
JP2008157996A	2008-07-10
JP2004279867A	2004-10-07
US20170359911A1	2017-12-14
US20050183279A1	2005-08-25

OCHIAI Kenichiro (JP)

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