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    • 8. 发明申请
    • OPTICAL PLATE AND TILED DISPLAY APPARATUS HAVING THE SAME
    • 光学板和倾斜显示装置
    • US20120062996A1
    • 2012-03-15
    • US13219338
    • 2011-08-26
    • Joong-Hyun KIMSang-Hoon LeeMin-Young SongSeung-Mo Kim
    • Joong-Hyun KIMSang-Hoon LeeMin-Young SongSeung-Mo Kim
    • G02B3/08G02B1/11
    • G02B3/08G02B1/111
    • An optical plate and a tiled display apparatus having the optical plate of the present invention include a base substrate and a Fresnel lens having a plurality of Fresnel patterns protruding toward the base substrate from a flat upper surface. The optical plate further comprises an anti-reflection layer, and a high-refraction layer having a refractive index higher than that of the anti-reflection layer. The optical plate comprises an adhesive layer disposed between the Fresnel lens and the base substrate to affix the Fresnel lens to the base substrate, and a spacer disposed between the Fresnel lens and the adhesive layer to maintain a distance between the Fresnel lens and the adhesive layer. The base substrate includes a first portion having a first thickness, a second portion having a second thickness thinner than the first thickness and a connecting portion disposed between the first and second portions.
    • 具有本发明的光学板的光学板和平铺显示装置包括从平坦的上表面向基底基板突出的多个菲涅尔图案的基底基板和菲涅尔透镜。 光学板还包括抗反射层和折射率高于抗反射层的折射率的高折射层。 光学板包括设置在菲涅尔透镜和基底基板之间的粘合剂层,以将菲涅耳透镜附着到基底基板,以及间隔物,设置在菲涅耳透镜和粘合剂层之间,以保持菲涅尔透镜和粘合剂层之间的距离 。 基底基板包括具有第一厚度的第一部分,具有比第一厚度更薄的第二厚度的第二部分和设置在第一和第二部分之间的连接部分。