Patent ID: 11940843
Assignee: LG DISPLAY CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 8:
9. A display device comprising:
a display panel; and
a roller configured to wind or unwind the display panel, and comprising a flat portion, a first curved portion, and a second curved portion disposed between the first curved portion and the flat portion and having a smaller radius of curvature than the first curved portion,
wherein a part of the second curved portion further protrudes outward than one surface of the flat portion,
wherein the roller comprises:
a main roller having an outer peripheral surface including the first curved portion and the flat portion, the main roller having a plurality of coupling holes disposed at two opposite ends thereof; and
a first auxiliary roller having a central shaft coupled to the plurality of coupling holes, and
wherein a part of the first auxiliary roller is disposed outside the main roller and defines the second curved portion, and the remaining part of the first auxiliary roller is disposed inside the main roller.