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	Light multiplexer and recycler, and micro-projector incorporating the same
	LI, KENNETH
	2010-12-01
著作权人	WAVIEN, INC.
专利号	EP2255242A1
国家	欧洲专利局
文献子类	发明申请
其他题名	Light multiplexer and recycler, and micro-projector incorporating the same
英文摘要	A micro-projector comprises an LED layer, a light pipe coupled to the LED, a LCOS panel, a projection lens, a PBS, an aperture layer coupled to the output end of the light pipe which has a transmissive opening for transmitting a portion of the light output and a reflective surface for reflecting the remaining portion of the light output toward the input end of the light pipe. Thus, the remaining portion of the light output is recycled back to the LED to increase the brightness of the light output of the LED. The micro- projector also comprises a reflective polarizer disposed between the light pipe and the aperture layer for transmitting the light output of a predetermined polarization and reflecting other polarization of the light output, thereby recycling unused polarization of the light output back to the LED to increase the brightness of the light output of the LED.
公开日期	2010-12-01
申请日期	2009-01-20
状态	失效
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/54066]
专题	半导体激光器专利数据库
作者单位	WAVIEN, INC.
推荐引用方式 GB/T 7714	LI, KENNETH. Light multiplexer and recycler, and micro-projector incorporating the same. EP2255242A1. 2010-12-01.

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