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    • 60. 发明专利
    • Optical sheet and optical device having the same
    • 光学片和具有该光学装置的光学装置
    • JP2011013658A
    • 2011-01-20
    • JP2009292156
    • 2009-12-24
    • Lms Co Ltd株式会社エルエムエス
    • PARK JEONG HOKIM YONG ILAN JUN WONNAM GUNG MYOUNGLEE DONG CHEOLSHIN DAE SIK
    • G02B5/02F21S2/00F21V5/00F21V5/02F21V5/04G02F1/13357
    • G02B5/02G02B6/0051G02B6/0053G02F1/133504G02F1/133615G02F2001/133607
    • PROBLEM TO BE SOLVED: To provide a thin optical sheet which is formed by integrating a part of a plurality of films and has high luminance and can be made uniform and to provide a thin optical device using the optical sheet and having short assembling steps and a satisfactory yield.SOLUTION: The optical sheet 300 has a light-condensing part 330, having a plurality of prism elements 331 extending in a first direction and an anisotropic diffusion part 310, having a plurality of optical elements which are formed on the surface opposite to the surface, where the prism elements 331 of the light-condensing part 330 is formed and extend in a second direction different from the first direction. The optical device has a light guide plate 200, having an incident surface in the side surface thereof, with the optical sheet 300 provided on an upper part of the light guide plate 200 and a prism sheet 400 provided on the upper part of the optical sheet 300.
    • 要解决的问题:为了提供一种薄的光学片,其通过将多个膜的一部分整合并且具有高亮度并且可以均匀并且提供使用该光学片的薄的光学装置并且具有短的组装步骤和 满意的产量。解决方案:光学片300具有聚光部分330,其具有沿第一方向延伸的多个棱镜元件331和各向异性扩散部分310,多个光学元件形成在与 其中形成聚光部分330的棱镜元件331的表面在与第一方向不同的第二方向上延伸。 光学装置具有导光板200,其侧表面具有入射表面,设置在导光板200的上部的光学片300和设置在光学片的上部的棱镜片400 300。