PROBLEM TO BE SOLVED: To provide a light reflection film with excellent workability and a method for manufacturing thereof in which only the reflectance of specified polarized light can be effectively improved while high visible light transmittance is maintained.SOLUTION: A light reflection film having a curved surface shape includes one or more polarized light reflection layers out of: a polarized light reflection layer PRL-1 which has a planar shape and the central reflection wavelength of 400nm or more and less than 500nm; a polarized light reflection layer PRL-2 which has a planar shape and the central reflection wavelength of 500nm or more and less than 600nm; and a polarized light reflection layer PRL-3 which has a planar shape and the central reflection wavelength of 600nm or more and less than 700nm (any polarized light reflection layer has reflectance to ordinary light at the central reflection wavelength of 5% or more and 25% or less), and in which at least two or more polarized light reflection layers having different central reflection wavelengths from each other are laminated, at least two or more light-reflecting layers to be laminated have characteristics of reflecting polarized lights with the same direction, and have a curved surface shape in an unloaded state and a thickness of 50 μm or more and 500 μm or less.SELECTED DRAWING: Figure 14

    【課題】高い可視光透過率を維持しながら、特定の偏光の反射率のみを有効に向上させることのできる加工性に優れた光反射フィルム及びその製造方法を提供する。【解決手段】平面形状で400nm以上500nm未満の中心反射波長をもつ光反射層PRL−1と、平面形状で500nm以上600nm未満の中心反射波長をもつ光反射層PRL−2と、平面形状で600nm以上700nm未満の中心反射波長をもつ光反射層PRL−3のうち(いずれの光反射層も中心反射波長での通常光に対する反射率が5%以上25%以下である)、1つ以上の光反射層を含み、かつ互いに異なる中心反射波長をもつ少なくとも2つ以上の光反射層が積層され、積層される少なくとも2つ以上の光反射層は、いずれも同じ向きの偏光を反射する特性を有し、かついずれも無負荷状態で曲面形状を保持してなり、厚さが50μm以上500μm以下である曲面形状の光反射フィルム。【選択図】図14


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    LIGHT REFLECTION FILM HAVING CURVED SURFACE SHAPE AND METHOD FOR MANUFACTURING THE SAME, AND LIGHT CONTROL FILM, OPTICAL FILM, FUNCTIONAL GLASS AND HEAD-UP DISPLAY USING THE LIGHT REFLECTION FILM


    Weitere Titelangaben:

    曲面形状の光反射フィルム及びその製造方法、ならびに当該光反射フィルムを用いた光制御フィルム、光学フィルム、機能性ガラスおよびヘッドアップディスプレイ


    Beteiligte:
    TANAKA KOICHI (Autor:in)

    Erscheinungsdatum :

    2017-10-12


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    G02B Optische Elemente, Systeme oder Geräte , OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES



    LIGHT REFLECTING FILM, AND LIGHT CONTROLLING FILM, OPTICAL FILM, FUNCTIONAL GLASS, AND HEAD-UP DISPLAY USING LIGHT REFLECTING FILM

    TANAKA KOICHI / TAKAHASHI TOMOHIRO / YOKOYAMA YUI et al. | Europäisches Patentamt | 2016

    Freier Zugriff

    Light Reflecting Film, And Light Controlling Film, Optical Film, Functional Glass And Head-Up Display Including The Light Reflecting Film

    TANAKA KOUICHI / TAKAHASHI CHIHIRO / YOKOYAMA YUI et al. | Europäisches Patentamt | 2017

    Freier Zugriff

    Light reflecting film, and light controlling film, optical film, functional glass and head-up display including the light reflecting film

    TANAKA KOUICHI / TAKAHASHI CHIHIRO / YOKOYAMA YUI et al. | Europäisches Patentamt | 2019

    Freier Zugriff

    LINEARLY POLARIZED LIGHT REFLECTION FILM, WINDSHIELD GLASS, AND HEAD-UP DISPLAY SYSTEM

    ANZAI AKIHIRO | Europäisches Patentamt | 2023

    Freier Zugriff

    LINEARLY POLARIZED LIGHT REFLECTION FILM, WINDSHIELD GLASS, AND HEAD-UP DISPLAY SYSTEM

    ANZAI AKIHIRO | Europäisches Patentamt | 2021

    Freier Zugriff