To cause reflection double image in a glass laminate having a wedge angle to be conspicuous, even when error of the wedge angle is generated.SOLUTION: The glass laminate has a first glass sheet which is an inner side of a vehicle, a second glass sheet which is an outer side of the vehicle, and an intermediate film positioned between the first glass sheet and the second glass sheet and adhering the first glass sheet and the second glass sheet, and having a display region used for a head up display, in which the display region has a wedge shaped region of thickness of an upper end side in a vertical direction is thicker than a lower end side when the glass laminate is attached to the vehicle, and a ratio Δt [mm] of thickness of the thickest location and the thinnest location of the display region and difference ΔTv [%] of visible light transmittance at the thickest location and the thinnest location satisfies a relationship of ΔTv≥2.2Δt.SELECTED DRAWING: Figure 9
【課題】楔角を持つ合わせガラスにおいて、楔角の誤差が生じた場合でも反射二重像が目立たないようにすること。【解決手段】本合わせガラスは、車両の内側となる第1のガラス板と、前記車両の外側となる第2のガラス板と、前記第1のガラス板と前記第2のガラス板との間に位置して前記第1のガラス板と前記第2のガラス板とを接着する中間膜と、を備えた合わせガラスであって、ヘッドアップディスプレイで使用する表示領域を備え、前記表示領域は、前記合わせガラスを前記車両に取り付けたときの垂直方向の上端側の厚さが下端側よりも厚い断面形状が楔状の領域を備え、前記表示領域の最も厚い箇所と最も薄い箇所との厚さの差Δt[mm]と、前記表示領域の最も厚い箇所と最も薄い箇所の可視光線透過率の差ΔTv[%]とが、ΔTv≧2.2Δtの関係を満たす。【選択図】図9
GLASS LAMINAE
合わせガラス
2018-12-27
Patent
Electronic Resource
Japanese
IPC: | C03C Chemische Zusammensetzungen für Gläser, Glasuren oder Emails , CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS / B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM , Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse / 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 / G02B Optische Elemente, Systeme oder Geräte , OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS |
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