Disclosed is an optical laminate (10) for a head-up display, which is provided with (A) at least one polyvinyl acetal resin layer (101) having a photoelastic coefficient (PeA) within the range of formula (1), and (B) at least one optical functional layer (102). The present invention also relates to a functional glass (20) for a head-up display provided with the optical laminate (10), and a head-up display provided with the optical laminate (10) or the functional glass (20). PeA < = 4.0 * 10 <-11 > Pa <-1 > (1).

    本发明涉及一种抬头显示器用光学层叠体(10),其具备(A)具有下式(1)的范围的光弹性系数(PeA)的至少1个聚乙烯醇缩醛树脂层(101)、及(B)至少1个光学功能层(102)。另外,本发明涉及具备光学层叠体(10)的抬头显示器用功能性玻璃(20)、以及具备光学层叠体(10)或功能性玻璃(20)的抬头显示器。|PeA|≤4.0×10‑11Pa‑1···(1)。


    Access

    Download


    Export, share and cite



    Title :

    Optical laminate for head-up display, functional glass, and head-up display system


    Additional title:

    抬头显示器用光学层叠体、功能性玻璃、及抬头显示器系统


    Contributors:

    Publication date :

    2023-04-04


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    G02B Optische Elemente, Systeme oder Geräte , OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS / B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES , Fenster, Windschutzscheiben und bewegbare Dächer, Türen oder Ähnliches für Fahrzeuge / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / G09F DISPLAYING , Anzeigewesen



    OPTICAL LAMINATE FOR HEAD-UP DISPLAY, FUNCTIONAL GLASS, AND HEAD-UP DISPLAY SYSTEM

    TAKAHASHI CHIHIRO / YOKOYAMA YUI | European Patent Office | 2024

    Free access

    OPTICAL LAMINATE FOR HEAD-UP DISPLAY, FUNCTIONAL GLASS, AND HEAD-UP DISPLAY SYSTEM

    TAKAHASHI CHIHIRO / YOKOYAMA YUI | European Patent Office | 2021

    Free access

    OPTICAL FUNCTIONAL FILM FOR HEAD-UP DISPLAY, OPTICAL LAMINATE, FUNCTIONAL GLASS, AND HEAD-UP DISPLAY SYSTEM

    NAKAMURA MITSUNORI / TAKAHASHI CHIHIRO / HAYASAKI TOMOYUKI et al. | European Patent Office | 2025

    Free access