Display device
AssigneeLG Display Co., Ltd.
InventorsJaeSung Lee, Jaehyeong Kim, Dojin Kim
Life of this patent
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Abstract
A display device according to an exemplary embodiment of the present disclosure includes a display panel having a display area, a back cover disposed on a rear surface of the display panel, a first roller which winds or unwinds the back cover and the display panel, and a second roller which is disposed above the first roller to move in a vertical direction, the back cover and the display panel being overlaid on the second roller. The emission area is flexibly adjusted during the partial view so as to suppress a burn-in issue and improve the lifespan of the display device.
Claims16
A display device, comprising:
- a display panel having a display area;
- a back cover disposed on a rear surface of the display panel and having a plurality of openings;
- a first roller which winds or unwinds the back cover and the display panel;
- a housing unit which accommodates the first roller,
- wherein the housing unit includes an opening through which the back cover and the display panel moves to an outside and an inside of the housing unit;
- a first motor disposed on one side of the first roller;
- a driving shaft which is coupled to the first motor;
- and
- a second roller which is disposed above the first roller to move in a vertical direction, the back cover and the display panel being overlaid on the second roller, the second roller moves to the inside and the outside of the housing unit,
- wherein the first motor is disposed between the first roller and the second roller.
A display device, comprising:
- a display panel having a display area;
- a back cover disposed on a rear surface of the display panel and having a plurality of openings;
- a first roller which is connected to a lower end of the back cover to wind or unwind the back cover and the display panel;
- a housing unit which accommodates the first roller,
- wherein the housing unit includes an opening through which the back cover and the display panel moves to an outside and an inside of the housing unit,
- a first motor disposed on one side of the first roller;
- a driving shaft coupled to the first motor;
- a second motor which rotates the first roller;
- and
- a second roller which is disposed above the first roller to move in a vertical direction and is fastened with an upper end of the back cover, the second roller moves to the inside and the outside of the housing unit,
- wherein the first motor is disposed between the first roller and the second roller.
A display device, comprising:
- a display panel having a display area;
- a back cover disposed on a rear surface of the display panel and having a plurality of openings;
- a first roller which is disposed in a housing unit and winds or unwinds the back cover and the display panel;
- wherein the housing unit includes an opening through which the back cover and the display panel moves to an outside and an inside of the housing unit,
- a first motor which is disposed at one side of the first roller and lifts and lowers the back cover and the display panel;
- a second roller which is disposed above the first roller to move in a vertical direction, the back cover and the display panel being overlaid on the second roller, the second roller moves to the inside and the outside of the housing unit;
- a third roller disposed in the housing unit;
- a second motor which rotates the third roller,
- wherein the second motor is disposed between the first rover and the third rover;
- and
- an extending sheet which is disposed at an upper end of the back cover or a rear surface of the back cover and is fastened with the third roller through an upper end.
Dependencies are inferred from the claim text.