Disclosed is a stereopsis display device that includes, for example, a plurality of sub-pixels including openings; a black matrix defining the openings; and a plurality of lenticular lenses slanted at a slant angle, wherein one view matrix includes a unit of M number of sub-pixels arranged in a first direction and N number of sub-pixels arranged in a second direction, wherein M and N are a positive integer, that is divided into sub-pixels opened by the openings and sub-pixels covered by the black matrix, and wherein a number of the sub-pixels of the unit opened by the openings within a viewing zone formed by the lenticular lenses is N.