US patent 등록 “Variable stiffness film, variable stiffness flexible display, and method of manufacturing the variable stiffness film”, US10257929
Abstract 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… 더 보기 »US patent 등록 “Variable stiffness film, variable stiffness flexible display, and method of manufacturing the variable stiffness film”, US10257929