Patent ID: 9625947
Date: 2017-04-18
CPC Classifications: G06F,H04M

Claim:
1. A portable electronic device comprising: a flexible display unit having a front surface and a rear surface; and a folding unit in contact with the rear surface of the flexible display unit, the folding unit including a plurality of blocks and a connection unit, the connection unit connecting the plurality of blocks to each other, wherein the plurality of blocks and the connection unit are arranged such that at least one or more of the plurality of blocks move along a curved path when the flexible display unit transitions to and from a first state and a second state, wherein the flexible display unit is flat in the first state and folded in the second state, wherein the connection unit comprises a plurality of links coupled to the plurality of blocks, wherein the plurality of links comprise a first group of links and a second group of links, wherein each of the links of the first group crisscrosses a corresponding one of the links of the second group, wherein each of the links of the second group of links comprises a protrusion rotatably connected to the corresponding link of the first group of links where they crisscross, and wherein each of the links of the second group of links includes a groove that accommodates therein an end portion of a neighboring link of the second group when the flexible display unit is in the second state.