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	Projection type display device and light source device
	ITOH, TATSUO; MIZUSHIMA, TETSURO; KASAZUMI, KENICHI; YAMAMOTO, KAZUHISA
	2010-09-16
著作权人	PANASONIC CORPORATION
专利号	US20100231862A1
国家	美国
文献子类	发明申请
其他题名	Projection type display device and light source device
英文摘要	Miniaturization is realized and high-output lights are obtained by optimizing the arrangement of a laser light source unit and a homogenizer. A laser light source unit 1 has a light emission region for emitting an elliptical laser light. A focusing lens unit 2 focuses the laser light emitted from the laser light source unit A rod integrator 4 has a rectangular incident surface on luminous flux focused by the focusing lens unit 2. A spatial light modulation element 7 modulates the laser light emitted from the rod integrator 4. A projection lens 8 projects the laser light modulated by the spatial light modulation element 7. The incident surface of the rod integrator 4 has a rectangular shape, and the laser light source unit 1 is arranged such that a longer axis direction of the light emission region and a longer side direction of the incident surface of the rod integrator are parallel.
公开日期	2010-09-16
申请日期	2007-03-22
状态	授权
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/61409]
专题	半导体激光器专利数据库
作者单位	PANASONIC CORPORATION
推荐引用方式 GB/T 7714	ITOH, TATSUO,MIZUSHIMA, TETSURO,KASAZUMI, KENICHI,et al. Projection type display device and light source device. US20100231862A1. 2010-09-16.

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