Samsung is now the world's largest manufacturer of mobile phone OLED screens, which has something to do with Samsung's vision of using AMOLED screens in its flagship Galaxy S series since 2010. The hyperbolic screen S7 edge/Note7 we see now and their related patents are often applied for and started to develop at least three years in advance.
Our latest rumor is that Samsung may launch a folding screen phone at the MWC 2017 exhibition at the end of February next year, but before that, another Samsung black technology screen patent was exposed in the U.S. Patent Office. This time, the feature is not just folding, but four-way bending and electric opening and closing!
Nowadays, mobile phone curved screens are basically based on flexible OLED panels. Essentially, OLED sub-pixel dots are "printed" on flexible substrates. However, many structures inside the screen do not have the ability to stretch. Therefore, from the fully curved Samsung Galaxy Round/LG G Flex to the now "accustomed" hyperbolic screens, they are unidimensional and bendable.
Samsung's patent adds another dimension of bending ability. The basic structure of the screen becomes a "hanging" structure similar to a mattress. Each part is connected to the adjacent four pieces, so it has the ability to bend in all directions (theoretically, it can achieve the spiral effect of 0 degrees at the top and 90 degrees at the bottom).
More miraculously, it uses "polyethylene naphthalate (PEN), polycarbonate (PC), polyaryl ester (PAR), polyetherimide (PEI), polyethersulfone (PES), and/or polyimide (PI)" The latter has the property of "dielectric elasticity", which can convert electrical energy into mechanical energy. In the vernacular, it is electrified and movable, and can be automatically bent, opened and closed by electricity. Of course, you can also automatically tie your shoelaces to restore the bent and disordered screen to its original state, which is amazing.
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