The present disclosure relates to an image projection device includes a display unit to emit a display light representing a display image in a form of either of s-polarized light and p-polarized light and an optical laminate that the display light emitted from the display unit is incident on. The optical laminate includes at least two substrates and an optical layer to change a polarization direction of incident light by 90°. The display unit has a polarization direction converter capable of freely switching between s-polarized light and p-polarized light.
IMAGE PROJECTION DEVICE AND HEAD-UP DISPLAY DEVICE
24.12.2020
Patent
Elektronische Ressource
Englisch
DISPLAY DEVICE, DISPLAY IMAGE PROJECTION METHOD, AND HEAD-UP DISPLAY
Europäisches Patentamt | 2017
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