Abstract
AbstractThis paper reviews the development of technology for eyewear‐based wearable displays, including the microdisplay, viewing optics, electronics and frame systems, that are necessary for the commercialization of consumer products, and ultimately for the complete integration of the system within eyewear. The eyewear display industry has its origins in projects funded by DARPA, starting in 1990. Today, several technologies have proved viable including LCOS, transmissive LCD, and oLED. In addition to the microdisplay itself, the development of viewing optics that can be incorporated in eyewear has been essential, and several teams have developed optics that will be reviewed here. Supporting electronics must also be incorporated in eyewear, and this is made possible today by the high degree of integration in systems on a chip. Today's technologies allow our industry to satisfy a number of “design rules” for eyewear displays that will be discussed. Additionally, wireless connectivity now provides access to almost unlimited information from the cloud. The final step in the commercialization of this technology is the creation of compelling consumer applications, and the companies that provide this final step will lead an expansion of the consumer electronics industry.
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