1. A 3-dimensional image display device, comprising: an image source supply part split into two or more displays supplying different image sources; a first lens part for reflecting and refracting a first image source projected by the image source supply part; a half mirror part for reflecting and refracting the first image source projected from the first lens part and a second image source projected from the image source supply part; and a second lens part for refracting the first image source and the second image source projected by the half mirror part to form a 3-dimensional image.