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    • 8. 发明授权
    • Optical film and lighting device comprising the same
    • 包括该光学薄膜和照明装置的光学薄膜和照明装置
    • US08777474B2
    • 2014-07-15
    • US12773502
    • 2010-05-04
    • Yong Shig ShimYoung Il KimJeong Ho Park
    • Yong Shig ShimYoung Il KimJeong Ho Park
    • F21V7/04
    • G02B6/0038G02B6/0053G02F1/133606G02F1/133611G02F2001/133607
    • An optical film is formed with a plurality of optical patterns having peak and valley portions and a lighting device may include such an optical film. Pitches of the optical patterns, heights of the peak portions and depths of the valley portions are irregular, and plan and side structures of the optical patterns have a non-linear non-symmetrical arrangement structure in which the peak and valley portions are irregularly bent. According to an optical film and a lighting device including such an optical film, a moiré phenomenon can be prevented in advance, abrasion resistance can be improved, optical defects such as scratches cannot be observed with the naked eye, a wet-out phenomenon can be prevented, and a viewing angle can be broadened.
    • 光学膜形成有多个具有峰谷部分的光学图案,照明装置可以包括这种光学膜。 光学图案的间距,山谷部分的峰部分和深度的高度是不规则的,并且光学图案的平面和侧面结构具有非线性非对称布置结构,其中峰部分和谷部分不规则地弯曲。 根据包括这种光学膜的光学膜和照明装置,可以预先防止莫尔现象,可以改善耐磨性,用肉眼不能观察到诸如划痕的光学缺陷,因此可以将浸出现象 防止视角变宽。