一种背投屏，它把双面凸状透镜膜作光色散元件。
Rear projection screens use lenticular lens films as light dispersing components.
正如处于特定位置的观看者所看到的那样，双面凸状透镜膜提高了整个屏上的亮度均一性。
The lenticular lens films improve the brightness uniformity over the entire screen as viewed by a viewer who is located at a specific position.
结果表明：精细的火焰多层膜层结构的透镜效应研究对获得极准确的激光全息信息非常有益。
The results show that the study on lens effect in fine flame stratified film structure is benefit for obtaining very accurate laser hologram information.
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