Patent ID: 11864334
Assignee: LG DISPLAY CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 0:
1. A display device, comprising:
a display assembly including a display panel and a back cover configured to support a rear surface of the display panel;
a roller configured to wind or unwind the display assembly;
a roller gear assembly configured to move the roller in an amount corresponding to a winding amount or an unwinding amount of the display assembly about the roller; and
a housing configured to accommodate the display assembly, the roller and the roller gear assembly, the housing having an opening through which the display assembly moves in and out of the housing in response to rotation of the roller,
wherein the roller gear assembly includes:
a worm disposed at a rotation shaft extending from a first end of the roller;
a first gear configured to rotate in response to rotation of the worm;
a second gear configured to rotate in a direction perpendicular to a rotation direction of the first gear in response to rotation of the first gear; and
a third gear configured to convert a rotary movement of the second gear to a linear movement of the second gear, the third gear disposed on an inner surface of the housing, and
wherein the roller moves linearly in response to movement of the second gear.