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    • 6. 发明申请
    • DIFFUSER FILM WITH CONTROLLED LIGHT COLLIMATION
    • 具有控制光聚合的扩散膜
    • WO2012145353A1
    • 2012-10-26
    • PCT/US2012/034006
    • 2012-04-18
    • SABIC INNOVATIVE PLASTICS IP B.V.BASTAWROS, Adel F.CHEN, ZheHARSONO, WibowoZHOU, Jian
    • BASTAWROS, Adel F.CHEN, ZheHARSONO, WibowoZHOU, Jian
    • G02F1/1335G02B5/02
    • G02B5/0221G02B5/0278G02B6/0051G02B6/0053G02B6/0065G02F1/133606
    • In one embodiment, a diffuser film with controlled light collimation comprises: a plastic layer having a first side and a second side, the first side having a first textured surface comprising a plurality of projecting portions and/or a plurality of trough portions, wherein 20 to 50 percent of slope angles on the first textured surface proximate a first axis have a value of greater than zero to five degrees. The projecting portions and/or the trough portions have an average width of greater than or equal to 20 ?m. In one embodiment, a back lighted device, comprises: a light source, a light guide disposed proximate the light source for receiving light from the light source, and the diffuser film. In one embodiment, a method of controlling collimation in a diffusing film, comprises: determining a desired degree of collimation of the diffusing film; and texturing a plastic layer to form a first textured surface, wherein 20 to 50 percent of slope angles on the first textured surface proximate a first axis have a value of greater than zero to five degrees.
    • 在一个实施例中,具有受控光准直的漫射膜包括:具有第一侧和第二侧的塑料层,第一侧具有包括多个突出部分和/或多个谷部的第一纹理表面,其中20 在靠近第一轴的第一纹理表面上的至少50%的倾斜角​​具有大于零到五度的值。 突出部分和/或谷部的平均宽度大于或等于20μm。 在一个实施例中,背光装置包括:光源,靠近光源设置的用于接收来自光源的光的光导和漫射膜。 在一个实施例中,一种控制漫射膜中的准直的方法包括:确定漫射膜的所需准直程度; 以及纹理化塑料层以形成第一纹理表面,其中在第一纹理表面上靠近第一轴的20%至50%的斜角具有大于零至五度的值。