Patent · US Active

Variable focus lens, and preparing method of the same

US9726861B2 · kind B2 · utility

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13Claims
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Key dates

Filing dateMar 19, 2014
Grant dateAug 8, 2017
Priority date—
Expiry dateApr 2, 2034

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02C7/083
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

The present disclosure relates to a variable focus lens containing graphene, a preparing method of the variable focus lens, a focus controlling method of the variable focus lens, and a display device including the variable focus lens.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.