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介绍一种以LED作为光源的单片LCOS全彩色投影机。证实由于偏振光转换导致的光输出限制是可以克服的,就是通过LCOS面板小的工作F#和LED与偏振光回收兼容性设计,而且避免了光源光束扩展量的增加。介绍LCOS投影HDTV在光收集元件和驱动方式等方面关键技术的进展。实例采用常规LED,得到大于40lm的屏幕流明光通量。
A single-chip LCOS full color projector with LED as a light source is introduced. Confirmation of the light output limitation due to polarization conversion is overcome by the small work F # and LED recycling compatibility design with the LCOS panel and the increased amount of beam expansion of the light source is avoided. Describes the progress of the key technologies of LCOS projection HDTV in light collecting components and driving methods. Examples using conventional LED, the screen luminous flux greater than 40lm.