An organic light emitting display device having a first surface and a second surface, the organic light emitting display device comprising; a substrate ; a plurality of pixels on the substrate , the plurality of pixels each including: a first emissive area (EA1) configured to emit light in a first surface direction (D1); a reflective area (RA) configured to reflect incident light in the first surface direction (D1); a black matrix disposed between the first emissive area and the reflective area and defining an opening area of each pixel provided on the substrate , an encapsulation layer covering a common electrode (CE) provided on the organic light emitting layer; and a second emissive area (EA2) overlapping the reflective area (RA) and configured to emit light in a second surface direction (D2) opposite to the first surface direction (D1); wherein the black matrix includes a plurality of first light blocking patterns which cover a plurality of gate lines and a pixel circuit of each pixel, a plurality of second light blocking patterns which cover a plurality of data lines and a plurality of pixel driving power lines, and a third light blocking pattern which covers an edge of the encapsulation layer . a substrate ; a plurality of pixels on the substrate , the plurality of pixels each including: a first emissive area (EA1) configured to emit light in a first surface direction (D1); a reflective area (RA) configured to reflect incident light in the first surface direction (D1); a black matrix disposed between the first emissive area and the reflective area and defining an opening area of each pixel provided on the substrate , an encapsulation layer covering a common electrode (CE) provided on the organic light emitting layer; and a second emissive area (EA2) overlapping the reflective area (RA) and configured to emit light in a second surface direction (D2) opposite to the first surface direction (D1); wherein the black matrix includes a plurality of first light blocking patterns which cover a plurality of gate lines and a pixel circuit of each pixel, a plurality of second light blocking patterns which cover a plurality of data lines and a plurality of pixel driving power lines, and a third light blocking pattern which covers an edge of the encapsulation layer . a first emissive area (EA1) configured to emit light in a first surface direction (D1); a reflective area (RA) configured to reflect incident light in the first surface direction (D1); a black matrix disposed between the first emissive area and the reflective area and defining an opening area of each pixel provided on the substrate , an encapsulation layer covering a common electrode (CE) provided on the organic light emitting layer; and a second emissive area (EA2) overlapping the reflective area (RA) and configured to emit light in a second surface direction (D2) opposite to the first surface direction (D1); wherein the black matrix includes a plurality of first light blocking patterns which cover a plurality of gate lines and a pixel circuit of each pixel, a plurality of second light blocking patterns which cover a plurality of data lines and a plurality of pixel driving power lines, and a third light blocking pattern which covers an edge of the encapsulation layer . <EOS>