为了屏蔽部分环境光，使用微结构的菲涅尔幕布，代价高昂，80寸的价格基本能换个65寸液晶。
In order to shield part of the ambient light, it uses an expensive microstructure Fresnel screen; the price of an 80-inch laser TV basically can be changed into a 65-inch LCD TV.