Televisions utilizing the polarization technique take advantage of the direction of vibration of light waves. Special optical elements installed in front of the display separate the signals for the left and right eye into differently polarized images.
「偏光」式的 3D 電視，則是利用光線行進時有「振動方向」的特性，在面板前安裝特殊的光學元件，將左右眼的訊號分別編碼至不同振動方向的光線中，例如左眼只看到垂直光，右眼只看到水平光。