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在过去三年中,微型显示投影发光二极管(LED)光学引擎的亮度显著地加速增长,在某种程度上超出了许多业内人士的期望。这种快速增长促进了液晶投影电视的出现。综述了应用于投影的LED的进展及相应产品。讨论了基于LED的光引擎的设计,展望了其亮度改进以及新产品研制的前景。
In the past three years, the brightness of micro-display projection light-emitting diode (LED) optical engines has accelerated dramatically, to some extent beyond the expectations of many in the industry. This rapid growth has prompted the emergence of LCD projection TV. The progress of the LED used in projection and the corresponding products are summarized. The design of the LED-based light engine is discussed, and its brightness improvement and the prospect of new product development are prospected.