A virtual image display apparatus that is configured to be mounted in a transportation machine and is configured such that P-polarized image display light is incident into a projection portion, a head-up display system, and the transportation machine provided therewith, the virtual image display apparatus and head-up display system including an image display device that emits projection image light, a diffractive reflective element having positive optical power, and a half-wave plate having a front retardation of 200 nm to 400 nm, in which the diffractive reflective element and the half-wave plate are provided on an optical path that guides the projection image light to the projection portion, in order from a side of the image display device.
VIRTUAL IMAGE DISPLAY APPARATUS, HEAD-UP DISPLAY SYSTEM, AND TRANSPORTATION MACHINE
2024-08-22
Patent
Electronic Resource
English
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