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    • 5. 发明授权
    • Optical plate having reflecting function and transmitting function
    • 光学板具有反射功能和透光功能
    • US06199989B1
    • 2001-03-13
    • US09425999
    • 1999-10-25
    • Yasuteru MaedaSusumu MiyazakiKoichi Fujisawa
    • Yasuteru MaedaSusumu MiyazakiKoichi Fujisawa
    • G02B508
    • G02B6/0036
    • An optical plate having both a light reflecting function and a light transmitting function comprises a layer comprising convex members which are arranged inside or on a surface of the optical plate so that a tip of the convex portion faces a backside of the optical plate, a gap having a transmitting function which is formed between the convex members, and a reflecting layer which is arranged on an outer surface of the convex portion, and on a base or an inner surface of the convex portion, wherein said convex members, said gap and said reflecting layer are arranged so that a part of light ray from the backside directly passes through the gap between the convex members, that a part of remaining light ray is reflected at least one time at the reflecting layer on the outer surface of the convex portion and passes through the gap having a transmitting function formed between the convex members to come out from a surface of the optical plate, and that a part of incident light ray from the surface side is reflected at the reflecting layer on the base or the inner surface of the convex portion to come out from a surface of the optical plate.
    • 具有光反射功能和透光功能的光学板包括布置在光学板的内部或表面上的凸起构件的一个层,使得凸起的顶端面对光学板的背面,间隙具有 形成在所述凸部件之间的透光功能和布置在所述凸部的外表面上的反射层,以及在所述凸部的基部或内表面上,其中所述凸部件,所述间隙和所述反射层 被布置成使得来自背面的光线的一部分直接穿过凸起构件之间的间隙,剩余光线的一部分在凸部的外表面上的反射层处至少反射一次,并且通过 所述间隙具有形成在所述凸部件之间的透光功能,以从所述光学板的表面出来,并且所述间隔具有从所述凸起部分的入射光线的一部分 在反射层的反射层或凸部的内表面反射,从光学板的表面出射。