A display device, in which a folding region, a first non-folding region located at a side of the folding region, and a second non-folding region located at another side of the folding region are defined, the display device comprising: a display module; a support member (501, 502) disposed under the display module; and a first bonding layer disposed between the display module and the support member (501, 502), wherein the support member (501, 502) includes a first support member disposed in the first non-folding region and a part of the folding region, and a second support member disposed in the second non-folding region and a part of the folding region, the first bonding layer is disposed in the folding region, the first non-folding region, and the second non-folding region, the first bonding layer includes a first portion disposed in the first non-folding region, a second portion disposed in the second non-folding region, and a third portion disposed in the folding region, and adhesive forces of the third portion of the first bonding layer to the first and second support members (501, 502) are less than each of an adhesive force of the first portion of the first bonding layer to the first support member and an adhesive force of the second portion of the first bonding layer to the second support member, the first bonding layer is integrally formed as a single unitary unit over the folding region, the first non-folding region, and the second non-folding region wherein the display module includes a display panel and a buffer member disposed between the display panel and the first bonding layer, characterised in that the buffer member is configured to prevent an impact from an outside from being transmitted to the display panel, wherein the buffer member includes or is formed of a foam material so as to prevent the impact from an outside, wherein the buffer member has a thickness in a range of about 100 μm to about 300 μm, and wherein the first bonding layer has a thickness in a range of about 5 μm to about 50 μm. a display module; a support member (501, 502) disposed under the display module; and a first bonding layer disposed between the display module and the support member (501, 502), wherein the support member (501, 502) includes a first support member disposed in the first non-folding region and a part of the folding region, and a second support member disposed in the second non-folding region and a part of the folding region, the first bonding layer is disposed in the folding region, the first non-folding region, and the second non-folding region, the first bonding layer includes a first portion disposed in the first non-folding region, a second portion disposed in the second non-folding region, and a third portion disposed in the folding region, and adhesive forces of the third portion of the first bonding layer to the first and second support members (501, 502) are less than each of an adhesive force of the first portion of the first bonding layer to the first support member and an adhesive force of the second portion of the first bonding layer to the second support member, the first bonding layer is integrally formed as a single unitary unit over the folding region, the first non-folding region, and the second non-folding region wherein the display module includes a display panel and a buffer member disposed between the display panel and the first bonding layer, characterised in that the buffer member is configured to prevent an impact from an outside from being transmitted to the display panel, disposed between the display panel and the first bonding layer, characterised in that the buffer member is configured to prevent an impact from an outside from being transmitted to the display panel, wherein the buffer member includes or is formed of a foam material so as to prevent the impact from an outside, wherein the buffer member has a thickness in a range of about 100 μm to about 300 μm, and wherein the first bonding layer has a thickness in a range of about 5 μm to about 50 μm.