PROBLEM TO BE SOLVED: To provide an optical sheet that is easily mounted on a vehicle and can display a clearer video.SOLUTION: There is provided an optical sheet 20 that is bonded on a vehicle window and reflects part of video light projected from a video source to a viewer side, the optical sheet comprising: a first optical shape layer 22 in which a plurality of unit optical shape parts 221 are arranged each including a first inclined surface 221a and a second inclined surface 221b; a second optical shape layer 23 that is laminated on a side of the first optical shape layer 22 on which the unit optical shape parts 221 are provided; a reflection layer 25 that is formed at least on a part of the first inclined surface 221a and reflects part of incident light and transmits the other; and an adhesive layer 26 that is laminated on a surface on a side of the first optical shape layer opposite to the side on which the unit optical shape parts are provided.SELECTED DRAWING: Figure 3

    【課題】車両への実装が容易であって、より鮮明な映像を表示することができる光学シートを提供する。【解決手段】車両のウィンドウに貼り付けられ、映像源から投射された映像光の一部を視者側に反射させる光学シート20であって、第1傾斜面221a及び第2傾斜面221bを有する単位光学形状部221が複数配列された第1光学形状層22と、第1光学形状層22の単位光学形状部221が設けられた側に積層された第2光学形状層23と、第1傾斜面221a上の少なくとも一部に形成され、入射した光の一部を反射し、その他を透過させる反射層25と、前記第1光学形状層の前記単位光学形状部が設けられた側とは反対側の面に積層された粘着層26と、を備える。【選択図】図3


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    Title :

    OPTICAL SHEET AND VEHICLE WINDOW


    Additional title:

    光学シート、車両のウィンドウ


    Contributors:

    Publication date :

    2017-07-13


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    G02B Optische Elemente, Systeme oder Geräte , OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS / 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



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