Patent ID: 9736951
Date: 2017-08-15
CPC Classifications: F16M,G09F,H01L,H02K,H05K

Claim:
1. A variable display device, comprising: a display panel configured to be variably driven in a flat mode having a flat surface or a curved mode having a curved surface; a joint plate installed at a rear surface of the display panel and including a center plate between a plurality of plates including first, second, fourth and fifth plates each configured to be rotated by a hinge; and a pair of driving systems installed at a rear surface of the joint plate, facing against each other and rotating the plurality of plates with respect to a normal direction to the joint plate, each driving system including a motor unit on the joint plate and a driving unit on an immediately adjacent plate, wherein the motor unit includes a motor, an eccentric cam being eccentric with respect to a rotation axis of the motor, and a shaft connected to the eccentric cam, and wherein the motor eccentrically rotates the eccentric cam in less than a full revolution, which moves the shaft in a linear direction substantially parallel with the rotation axis of the motor, depending on a rotational direction of the eccentric cam, wherein the joint plate further includes a third plate, and wherein each of the first, second, third, fourth and fifth plates is connected to an adjacent plate by a hinge bracket.