We developed a 5.5 inch, VGA (640×480×RGB), stereoscopic 3D display using a precisely patterned wire-grid polarizer (WGP) with rows of alternating polarization angle. Such a wire-grid polarizer is invisible without the polarizer and thus a 2D/3D convertible display can be formed. The proposed structure is free of any limitations on both viewing angle and viewing distance inherent in the conventional stereoscopic displays, whereby enabling several persons to view stereoscopic image simultaneously. Because the proposed structure does not use conventional polarization film of TFT-LCD panel, it can be manufactured with low-cost.