DISPLAY DEVICE COVER SUBSTRATE

摘要

The present invention relates to a display device cover substrate and, more specifically, to a display device cover substrate capable of increasing surface hardness by alleviating an internal stress occurring in a reinforcing layer formed on a base of a glass material so as to reinforce the base, thereby preventing the formation of defects and scratches, which cause the formation of cracks. To this end, the present invention provides a display device cover substrate comprising: a base; a reinforcing layer formed on the base and including a tensile stress layer and a compressive stress layer which are alternately stacked; and a buffer layer formed between the base and the reinforcing layer.