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	Head-mounted display with off-board illumination
	SCHUBERT, MARTIN FRIEDRICH; GRUNDMANN, MICHAEL
	2018-01-25
著作权人	GOOGLE LLC
专利号	US20180024286A1
国家	美国
文献子类	发明申请
其他题名	Head-mounted display with off-board illumination
英文摘要	Techniques of providing illumination to a head-mounted display (HMD) involve providing off-board illumination apart from the HMD. An off-board illumination unit delivers the illumination to the HMD via optical fibers. The optical fibers are lightweight and do not restrict motion of a user. Because the power source is less restricted, the off-board illumination unit provides flexibility in the hardware used to generate the illumination. For example, the illumination unit may use red, green, and blue narrow-band diode lasers. Further, by controlling modes in the fiber and providing additional light-guiding hardware, the angles at which light strikes LCD pixels may be largely restricted to certain specified angles. Restricted angles of incidence enable the use of fast-switching liquid crystals without degrading the image quality. Such a restriction allows for high-resolution imaging using rapid switching of the liquid crystal which enables very low latencies.
公开日期	2018-01-25
申请日期	2017-07-21
状态	申请中
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/59162]
专题	半导体激光器专利数据库
作者单位	GOOGLE LLC
推荐引用方式 GB/T 7714	SCHUBERT, MARTIN FRIEDRICH,GRUNDMANN, MICHAEL. Head-mounted display with off-board illumination. US20180024286A1. 2018-01-25.

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