US patent 등록 “Variable stiffness film, variable stiffness flexible display, and method of manufacturing the variable stiffness film”, US10257929

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A variable stiffness film, a variable stiffness flexible display, and a manufacturing method thereof may include a lower electrode, a variable fluid, and an upper electrode. A polymer layer may be formed on the lower electrode, and a variable fluid receiving portion is patterned on the polymer layer. A variable stiffness layer is formed by putting a variable fluid in the variable fluid receiving portion. The upper electrode is formed on the variable fluid layer.

Filed: August 7, 2014
Date of Patent: April 9, 2019
Assignee: Samsung Electronics Co., Ltd.
Inventors: Lim; Soo Chul (Seoul, KR), Park; Joon Ah (Seoul, KR), Lee; Hyun Jeong (Hwaseong-si, KR), Han; Seung Ju (Seoul, KR)