| 摘要 |
An illumination device (1) for illuminating a display (2) with polarized light, the illumination device including a waveguide (3) for guiding light and an anisotropic layer (10) comprising a first surface (5) arranged to face towards the waveguide and a second surface (7) arranged to lace away from the waveguide, wherein the first surface is provided with an outcoupling means (6) for outcoupling light having a predetermined polarization from the waveguide and the second surface is provided with a collimating means (8) for collimating the light outcoupled from the waveguide in a predetermined direction. ® KIPO & WIPO 2008
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