| 摘要 |
The liquid crystal display element includes a polarization plate, a liquid crystal layer provided in the rear of the polarization plate, for modulating incident light in correspondence with an applied voltage, a selectively reflective layer provided behind the liquid crystal layer, for reflecting a first circular polarization component of incident light, and a back light source arranged in the rear of the selectively reflective layer, for emitting light having intensity peaks for a plurality of predetermined wavelengths. The selectively reflective layer has first reflection factors to the first polarization components of incident light falling within first small regions of visible light, including the plurality of predetermined wavelengths, and has second reflection factors to the first polarization components of incident light falling within second small regions of visible light, not including the plurality of predetermined wavelengths. The first reflection factors are smaller than the second reflection factors.
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