| abstract |
Provided is a display device including an adhesion reduction layer having a micro protrusion pattern capable of identification of the authenticity of at least one product from among a window, a touch screen and a display, which are freely detachable and are obtained via different channels, and a pattern engraved thereon. The display device includes a window, a display, and optionally a touch screen, and comprises an adhesion reduction layer having a micro protrusion pattern. The device comprises: a detachable layer which is positioned on at least one from among the window, the touch screen and the display and has an adhesive force of 0.1 gf/25 mm to 500 gf/25 mm; and a pattern made by a micro protrusion formed on part of the adhesion reduction layer which is positioned on any one from among the window, the touch screen and the display so as to face the detachable layer. |