| CPC H10H 20/8583 (2025.01) [H01L 25/167 (2013.01); H05K 5/0217 (2013.01); H05K 7/20336 (2013.01); H05K 7/2099 (2013.01)] | 19 Claims |
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1. A display device comprising:
a display panel configured to be rolled and unrolled;
a housing configured to accommodate the display panel therein when the display panel is in a rolled state, the housing having a slot at one side surface thereof;
a rotating member located inside the housing, the rotating member configured to roll and unroll the display panel;
a holding member configured to hold the rotating member; and
a heat pipe located at a partial area of the display panel that is adjacent to the slot of the housing when the display panel is in the rolled state,
wherein the display panel comprises:
a first base layer;
a second base layer on the first base layer;
a pixel circuit layer on the second base layer, the pixel circuit layer comprising a transistor;
a display element layer on the pixel circuit layer, the display element layer comprising a light emitting element electrically connected to the transistor; and
a metal layer between the first base layer and the second base layer,
wherein the heat pipe is in contact with the metal layer,
wherein an opening exposing the metal layer penetrates the first base layer, and the heat pipe is located in the opening,
wherein at least a portion of each of the first base layer and the second base layer is configured to be rollable at one side thereof, and
wherein the heat pipe is located at one area of the second base layer adjacent to another side of the first base layer opposite to the one side of the first base layer, and is configured to not be rollable.
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