To provide automotive anti-glare laminated glass which is excellent in anti-glare property while securing transmission amount of visible rays and useful for use such as front glass.SOLUTION: An automotive anti-glare laminated glass is provided, having; an automotive anti-glare sheet having a base sheet and a laminated portion formed on at least one surface of the base sheet and comprised of two or more dielectric layers having different refractive indices; and two transparent plates sandwiching the automotive anti-glare sheet, wherein the automotive anti-glare laminated glass has a transmittance of 70% or more for visible light incident at 0°, the automotive anti-glare sheet has the maximum value of a spectral reflectance in a range of wavelength of 580 to 700 nm, and the maximum value is 20% or more, and the transmittance (Tvθ0) measured when a light beam is incident (θ0) at 0°on the automotive anti-glare laminated glass, and the transmittance (Tvθα) measured when a light beam is incident at α°satisfy the following formula (1). Tvθα/Tvθ0<1.00 (1).SELECTED DRAWING: Figure 3
【課題】可視光線の透過量を確保しつつも防眩性に優れ、フロントガラスなどの用途に有用な、自動車用防眩性合わせガラスを提供する。【解決手段】基材シートとその少なくとも片面に形成された屈折率が異なる2層以上の誘電体層からなる積層部を有する自動車用防眩性シートと、前記自動車用防眩性シートを挟む2枚の透明板とを有する自動車用防眩性合わせガラスであって、0°入射の可視光透過率が70%以上であり、前記自動車用防眩性シートは波長580~700nmの範囲に分光反射率の最大値を有し、当該最大値は20%以上であり、前記自動車用防眩性合わせガラスに光線を0°入射(θ0)させて測定される透過率(Tvθ0)と、α°入射(θα)させて測定される透過率(Tvθα)が、下記(1)式を満たすことを特徴とする、自動車用防眩性合わせガラス。Tvθα/Tvθ0<1.00(1)【選択図】図3
AUTOMOTIVE ANTI-GLARE LAMINATED GLASS
自動車用防眩性合わせガラス
2022-09-07
Patent
Elektronische Ressource
Japanisch
IPC: | C03C Chemische Zusammensetzungen für Gläser, Glasuren oder Emails , CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS / B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES , Fenster, Windschutzscheiben und bewegbare Dächer, Türen oder Ähnliches für Fahrzeuge |
ANTI-GLARE SHEET FOR VEHICLE AND ANTI-GLARE GLASS LAMINATE FOR VEHICLE
Europäisches Patentamt | 2020
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