OPTICAL SYSTEM, OPTICAL DEVICE, AND HEAD MOUNTED DISPLAY DEVICE TO REALIZE VIRTUAL REALITY HAVING SAME

摘要

An embodiment of the present invention provides an optical system which comprises: a pair of lens groups respectively including two sheets of Fresnel lenses; and a pair of panels arranged to be separated from the pair of lens groups. Therefore, an angle of view can be increased without increasing a volume of an optical device.;COPYRIGHT KIPO 2018