An object is to provide a projection image displaying member that enables display of a projection image using p-polarized light and can provide a head-up display system having high polarizing sunglasses suitability, a windshield, and a head-up display system. The object is achieved by a projection image displaying member having a transparent substrate having an in-plane retardation of 5000 nm or more and at least one selective reflection layer, wherein the selective reflection layer is located closer to the side on which projection light is incident than the transparent substrate is.
PROJECTION IMAGE DISPLAYING MEMBER, WINDSHIELD GLASS, AND HEAD-UP DISPLAY SYSTEM
2022-07-07
Patent
Elektronische Ressource
Englisch
IPC: | G02B Optische Elemente, Systeme oder Geräte , OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / G02F DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING,... , Vorrichtungen oder Anordnungen, deren optische Arbeitsweise durch Änderung der optischen Eigenschaften des Mediums der Vorrichtungen oder Anordnungen geändert wird zum Steuern der Intensität, Farbe, Phase, Polarisation oder der Richtung von... |
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