HEAD-MOUNTED DISPLAY DEVICE
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United States of America Patent
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Issued Date -
Oct 25, 2018
app pub date -
Dec 30, 2015
filing date -
Dec 30, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A head-mounted display device includes a housing, and a display, a focusing assembly which are disposed inside the housing. The housing includes a pair of spaced viewing windows. The focusing assembly includes a pair of liquid lenses disposed corresponding to the viewing windows respectively. Each of the liquid lenses includes a transmissive component including a casing within which a liquid cavity is formed. The case includes an elastic membrane disposed opposite to a corresponding viewing window. Each of the liquid lenses further includes a liquid storing component and a liquid driving component. A liquid storing chamber is formed within liquid storing component. The liquid cavity and the liquid storing cavity are intercommunicated by an intercommunicating pipe. The liquid driving component is operable to drive liquid in the liquid lens to flow between the liquid cavity and the liquid storing chamber, such that the elastic membrane becomes convex, planar or concave.
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