A display apparatus comprising: a display region (DA); and a peripheral region (PA) adjacent to the display region (DA), wherein the display apparatus further comprises: a first flexible substrate comprising a first surface (110S1) and a second surface (110S2) opposite the first surface (110S1), the second surface (110S2) comprising, in the peripheral region (PA), a cavity extending into the first flexible substrate ; a driving circuit (DC) on the first surface (110S1), the driving circuit (DC) comprising at least one transistor; a conductive pattern in the cavity, the conductive pattern being partially exposed by the cavity; a conductive line (CL) electrically connecting the conductive pattern to the driving circuit (DC); a light-emitting device (OLED) in the display region (DA), the light-emitting device (OLED) being electrically connected to the driving circuit (DC); and a support substrate on the second surface (110S2), wherein, in a view normal to the second surface (110S2), the support substrate is spaced apart from the conductive pattern , characterized in that the cavity forms a concave portion in the first flexible substrate , and the display apparatus further comprises an adhesion layer between the conductive pattern and the first flexible substrate , wherein the adhesion layer covers lateral surfaces and an upper surface of the conductive pattern . a display region (DA); and a peripheral region (PA) adjacent to the display region (DA), wherein the display apparatus further comprises: a first flexible substrate comprising a first surface (110S1) and a second surface (110S2) opposite the first surface (110S1), the second surface (110S2) comprising, in the peripheral region (PA), a cavity extending into the first flexible substrate ; a driving circuit (DC) on the first surface (110S1), the driving circuit (DC) comprising at least one transistor; a conductive pattern in the cavity, the conductive pattern being partially exposed by the cavity; a conductive line (CL) electrically connecting the conductive pattern to the driving circuit (DC); a light-emitting device (OLED) in the display region (DA), the light-emitting device (OLED) being electrically connected to the driving circuit (DC); and a support substrate on the second surface (110S2), a first flexible substrate comprising a first surface (110S1) and a second surface (110S2) opposite the first surface (110S1), the second surface (110S2) comprising, in the peripheral region (PA), a cavity extending into the first flexible substrate ; a driving circuit (DC) on the first surface (110S1), the driving circuit (DC) comprising at least one transistor; a conductive pattern in the cavity, the conductive pattern being partially exposed by the cavity; a conductive line (CL) electrically connecting the conductive pattern to the driving circuit (DC); a light-emitting device (OLED) in the display region (DA), the light-emitting device (OLED) being electrically connected to the driving circuit (DC); and a support substrate on the second surface (110S2), wherein, in a view normal to the second surface (110S2), the support substrate is spaced apart from the conductive pattern , characterized in that the cavity forms a concave portion in the first flexible substrate , and the display apparatus further comprises an adhesion layer between the conductive pattern and the first flexible substrate , wherein the adhesion layer covers lateral surfaces and an upper surface of the conductive pattern . <EOS>