The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 14, 2026
Filed:
Aug. 12, 2021
Seoul National University R&db Foundation, Seoul, KR;
SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION, Seoul, KR;
Abstract
Provided is a stretchable display having a negative Poisson's ratio including: a first core on which a first light-emitting element is installed; a second core positioned next to the first core and on which a second light-emitting element is installed; multiple first wires coming out from one side of the first core and wound in one direction around the first core; and multiple second wires coming out from one side of the second core and wound in the opposite direction to the first wire around the second core, wherein any of the multiple first wires and any of the multiple second wires are connected between the first core and the second core in a connection part, and when a distance between the first core and the second core increases, the first wires are unwound while the first core rotates, and the second wires are unwound while the second core rotates.