A display device comprising: a display panel ; and a front stacked structure on a front surface of the display panel ; wherein the front stacked structure includes a cover window and a bonding member (251 to 254; 351 to 354), the bonding member includes a window bonding member attached to the cover window , and the window bonding member includes a silane compound containing an epoxy series reactive functional group, wherein: the cover window includes ultra-thin glass (UTG), the front stacked structure further includes a polarization member disposed between the display panel and the cover window and a polarization member bonding member which attaches the polarization member to the front surface of the display panel , and a peeling force of the window bonding member is greater than a peeling force of the polarization member bonding member , and the front stacked structure further includes an impact absorbing layer disposed between the polarization member and the cover window and an impact absorbing layer bonding member which attaches the impact absorbing layer to the polarization member , and a peeling force of the window bonding member is greater than a peeling force of the impact absorbing layer bonding member . a display panel ; and a front stacked structure on a front surface of the display panel ; wherein the front stacked structure includes a cover window and a bonding member (251 to 254; 351 to 354), the bonding member includes a window bonding member attached to the cover window , and the window bonding member includes a silane compound containing an epoxy series reactive functional group, wherein: the cover window includes ultra-thin glass (UTG), the front stacked structure further includes a polarization member disposed between the display panel and the cover window and a polarization member bonding member which attaches the polarization member to the front surface of the display panel , and a peeling force of the window bonding member is greater than a peeling force of the polarization member bonding member , and the front stacked structure further includes an impact absorbing layer disposed between the polarization member and the cover window and an impact absorbing layer bonding member which attaches the impact absorbing layer to the polarization member , and a peeling force of the window bonding member is greater than a peeling force of the impact absorbing layer bonding member . the cover window includes ultra-thin glass (UTG), the front stacked structure further includes a polarization member disposed between the display panel and the cover window and a polarization member bonding member which attaches the polarization member to the front surface of the display panel , and a peeling force of the window bonding member is greater than a peeling force of the polarization member bonding member , and the front stacked structure further includes an impact absorbing layer disposed between the polarization member and the cover window and an impact absorbing layer bonding member which attaches the impact absorbing layer to the polarization member , and a peeling force of the window bonding member is greater than a peeling force of the impact absorbing layer bonding member . <EOS>