LENS, LENS GROUP, METHOD FOR ADJUSTING DIOPTER OF LENS GROUP, AND HEAD MOUNTED DISPLAY DEVICE

Abstract: a lens includes a housing and a second medium. the housing is made of a first medium. the housing defines a cavity. the second medium fills in the cavity. the second medium has a required refractive index. the second medium is replaceable in the cavity. a lens group including the lens, a head mounted display device including the lens group, and a method for adjusting a refractive index of the lens group are also provided.

Inventor(s): YUAN-TING LIANG, CHUNG-WU LIU

CPC Classification: G02B3/0081 (Simple or compound lenses)

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