An apparatus for manufacturing a panel for a display device by bending, the apparatus comprising: a lower mold having a first member configured for placing the target panel; and an upper mold disposed adjacent the lower mold and comprising a second member having a first surface (101-US) extending in a plane defined by a first direction and a second direction intersecting the first direction, and configured to press a portion of the target panel in a third direction intersecting the first and the second directions, and a second surface, wherein a normal to the first surface pointing away from the bulk and a normal to the second surface pointing away from the bulk span a first angle that is larger than 90 degrees, side molds disposed at opposite sides of the lower mold and opposed to the upper mold, each having a third member with a third surface (311-LS; 321-LS; 331-LS; 341-LS), wherein the second surface is substantially parallel to the third surface, and the second member comprises: a first pressing portion extending in the first direction; a second pressing portion extending in the second direction; and a third pressing portion disposed between the first pressing portion and the second pressing portion and having a rounded shape, the lower mold and the upper mold are movable towards each other in the third direction, and the side molds comprise a pair of first side molds (310; 320) and a pair of second side molds (330, 340) being movable independently from the lower mold, the pair of first side molds being movable in the first direction and in the third direction, and the pair of second side molds being movable in the second direction and in the third direction. a lower mold having a first member configured for placing the target panel; and an upper mold disposed adjacent the lower mold and comprising a second member having a first surface (101-US) extending in a plane defined by a first direction and a second direction intersecting the first direction, and configured to press a portion of the target panel in a third direction intersecting the first and the second directions, and a second surface, wherein a normal to the first surface pointing away from the bulk and a normal to the second surface pointing away from the bulk span a first angle that is larger than 90 degrees, side molds disposed at opposite sides of the lower mold and opposed to the upper mold, each having a third member with a third surface (311-LS; 321-LS; 331-LS; 341-LS), wherein the second surface is substantially parallel to the third surface, and the second member comprises: a first pressing portion extending in the first direction; a second pressing portion extending in the second direction; and a third pressing portion disposed between the first pressing portion and the second pressing portion and having a rounded shape, the lower mold and the upper mold are movable towards each other in the third direction, and the side molds comprise a pair of first side molds (310; 320) and a pair of second side molds (330, 340) being movable independently from the lower mold, the pair of first side molds being movable in the first direction and in the third direction, and the pair of second side molds being movable in the second direction and in the third direction. a first pressing portion extending in the first direction; a second pressing portion extending in the second direction; and a third pressing portion disposed between the first pressing portion and the second pressing portion and having a rounded shape, the lower mold and the upper mold are movable towards each other in the third direction, and the side molds comprise a pair of first side molds (310; 320) and a pair of second side molds (330, 340) being movable independently from the lower mold, the pair of first side molds being movable in the first direction and in the third direction, and the pair of second side molds being movable in the second direction and in the third direction.