Patent ID: 7057681

Claim:
A display device comprising: a display unit including: a first polarized light selecting unit on a viewing side thereof, the first polarized light selecting unit transmitting a first polarized light and reflecting a second polarized light having a polarization axis crossing a polarization axis of the first polarized light; a transmitting polarization axis varying unit; a second polarized light selecting unit disposed between the first polarized light selecting unit and the transmitting polarization axis varying unit, the second polarized light selecting unit transmitting the first polarized light and absorbing the second polarized light; and a third polarized light selecting unit disposed on a backside of the transmitting polarization axis varying unit, the third polarized light selecting unit transmits a third polarized light and absorbs a fourth polarized light having a polarization axis crossing a polarization axis of the third polarized light; wherein no other transmitting polarization axis varying unit is disposed on the viewing side of the first polarized light selecting unit.