INTERLAYERS HAVING ENHANCED OPTICAL PERFORMANCE

A wedge-shaped interlayer having reduced dynamic ghosting is provided, wherein the interlayer comprises at least one polymer layer comprising a poly(vinyl acetal) resin and at least one plasticizer, wherein said wedge-shaped interlayer defines a head-up display (HUD) region having a target vertical...

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Bibliographic Details
Main Authors SPANGLER, Lora, HALDEMAN, Steven, HURLBUT, Jeffrey, KRAMER, Ingo
Format Patent
LanguageEnglish
French
Published 03.02.2022
Subjects
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PERFORMING OPERATIONS
PHYSICS
TRANSPORTING
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Summary:A wedge-shaped interlayer having reduced dynamic ghosting is provided, wherein the interlayer comprises at least one polymer layer comprising a poly(vinyl acetal) resin and at least one plasticizer, wherein said wedge-shaped interlayer defines a head-up display (HUD) region having a target vertical wedge angle, an actual vertical wedge angle and an absolute wedge angle rate of change, wherein the absolute wedge angle rate of change is less than 3.0 prad/mm throughout the entire HUD region. L'invention concerne une intercouche cunéiforme à formation d'image fantôme dynamique réduite, l'intercouche comprenant au moins une couche de polymère comprenant une résine de poly(acétal de vinyle) et au moins un plastifiant, ladite intercouche cunéiforme définissant une région d'affichage tête haute (HUD) possédant un angle de coin vertical cible, un angle de coin vertical réel et un taux de changement d'angle de coin absolu, le taux de changement d'angle de coin absolu étant inférieur à 3,0 μrad/mm dans l'intégralité de la région HUD.
Bibliography:Application Number: WO2021US42738