| 摘要 |
<p>A projector including a non-polarized light source (10), a polarizing beam-splitter (12) receiving light from the non-polarized light source and a selectably actuatable polarization rotating light valve (16) having light polarized in one sense from the polarizing beam-splitter impinging thereon from a first direction and having light polarized in an opposite sense from the polarizing beam-splitter impinging thereon from a second direction.</p> |
