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    • 1. 发明申请
    • BRIGHTNESS ENHANCING FILM AND DISPLAY DEVICE HAVING THE SAME
    • 亮度增强胶片和显示装置
    • WO2006132913A1
    • 2006-12-14
    • PCT/US2006/021256
    • 2006-06-01
    • 3M INNOVATIVE PROPERTIES COMPANY
    • NELSON, Eric, W.ZHANG, Wei, Feng
    • G02F1/13357
    • G02F1/133606G02B5/045G02B5/208G02F1/133611G02F2001/133607
    • A brightness enhancing film (10) suitable for use in a display device is disclosed herein. The film comprises: a first polymeric layer (12) having a microstructured surface (14) , wherein the microstructured surface comprises an array of prism elements, and a second polymeric layer (16) disposed adjacent to the first polymeric layer on the opposite side of the microstructured surface, wherein at least one of the first and second polymeric layers comprises a UV absorber that absorbs UV light and transmits visible light, such that the brightness enhancing film has an internal percent transmission of at least 95% at 410 nm, and at most 25% at 380 nm. Also disclosed herein is a brightness enhancing film wherein the UV absorber is in a third layer (18) disposed between the first and second layers (12, 16) . The brightness enhancing films disclosed herein may be used in display devices such as LCD-TVs .
    • 本文公开了适用于显示装置的亮度增强膜(10)。 该膜包括:具有微结构化表面(14)的第一聚合物层(12),其中微结构化表面包括棱镜元件阵列,以及邻近第一聚合物层设置的第二聚合物层(16) 微结构化表面,其中第一和第二聚合物层中的至少一个包含吸收紫外光并透射可见光的紫外线吸收剂,使得亮度增强膜在410nm处具有至少95%的内部百分透射率, 最大25%在380 nm。 本文还公开了亮度增强膜,其中UV吸收剂位于设置在第一和第二层(12,16)之间的第三层(18)中。 本文公开的亮度增强膜可以用于诸如LCD-TV的显示装置中。