背投显示技术及其用光学薄膜

对比了背投领域几种主要技术的原理和性能特点，同时介绍了多媒体投影系统所需要的各类光学薄膜的作用，参数和光学性能；并针对该领域国内外最新研究状况进行了调研，给出了现在所面临的关键技术难题并对其发展前景做了预测。

Display principle,performance and thin film coatings used for the optical engine are introduced. Thin film coatings is the key component in the projection sysytem, so the function, parameters and the optical performances of all kinds of thin films applied in the multi-media projection system are introduced in detail. Investigation in this field all over the world is given and the key problems and prospect are described.