GB2539822B - Variable focus lenses - Google Patents

Variable focus lenses Download PDF

Info

Publication number
GB2539822B
GB2539822B GB1613973.5A GB201613973A GB2539822B GB 2539822 B GB2539822 B GB 2539822B GB 201613973 A GB201613973 A GB 201613973A GB 2539822 B GB2539822 B GB 2539822B
Authority
GB
United Kingdom
Prior art keywords
variable focus
focus lenses
lenses
variable
focus
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
GB1613973.5A
Other versions
GB2539822A (en
GB201613973D0 (en
Inventor
Silver Joshua
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Centre For Vision In Dev World C I C
Original Assignee
Centre For Vision In Dev World C I C
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB201400790A external-priority patent/GB201400790D0/en
Priority claimed from GB201402661A external-priority patent/GB201402661D0/en
Application filed by Centre For Vision In Dev World C I C filed Critical Centre For Vision In Dev World C I C
Publication of GB201613973D0 publication Critical patent/GB201613973D0/en
Publication of GB2539822A publication Critical patent/GB2539822A/en
Application granted granted Critical
Publication of GB2539822B publication Critical patent/GB2539822B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00009—Production of simple or compound lenses
    • B29D11/00028—Bifocal lenses; Multifocal lenses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00009—Production of simple or compound lenses
    • B29D11/0048—Moulds for lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/12—Fluid-filled or evacuated lenses
    • G02B3/14—Fluid-filled or evacuated lenses of variable focal length

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Eyeglasses (AREA)
GB1613973.5A 2014-01-17 2015-01-16 Variable focus lenses Active GB2539822B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB201400790A GB201400790D0 (en) 2014-01-17 2014-01-17 A New Membrane
GB201402661A GB201402661D0 (en) 2014-02-14 2014-02-14 Variable focus lenses
PCT/GB2015/050099 WO2015107362A1 (en) 2014-01-17 2015-01-16 Method of making a flexible membrane and mold therefor, membrane and variable focus lens

Publications (3)

Publication Number Publication Date
GB201613973D0 GB201613973D0 (en) 2016-09-28
GB2539822A GB2539822A (en) 2016-12-28
GB2539822B true GB2539822B (en) 2020-10-07

Family

ID=52392154

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1613973.5A Active GB2539822B (en) 2014-01-17 2015-01-16 Variable focus lenses

Country Status (3)

Country Link
CN (1) CN106457706A (en)
GB (1) GB2539822B (en)
WO (1) WO2015107362A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10852553B2 (en) 2018-09-21 2020-12-01 Apple Inc. Electronic device with a tunable lens

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995027912A1 (en) * 1994-04-12 1995-10-19 Lane Research Spectacles using variable focal length lenses which have an arbitrarily shaped periphery
WO2001059488A1 (en) * 2000-02-11 2001-08-16 Pietro Sgarbi Process for obtaining biquadratic optical surfaces and in particular schmidt correctors
US6288846B1 (en) * 1999-09-24 2001-09-11 Arizona Carbon Foil Co., Inc. Variable focal-length lens assembly
US20110085131A1 (en) * 2009-10-14 2011-04-14 Adlens Beacon, Inc. Aspheric Fluid Filled Lens Optic
US20110085243A1 (en) * 2009-10-13 2011-04-14 Amitava Gupta Non-Round Fluid Filled Lens Optic
US20140016087A1 (en) * 2012-07-13 2014-01-16 Amitava Gupta Fluid Lenses, Lens Blanks, and Methods of Manufacturing the Same

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995027912A1 (en) * 1994-04-12 1995-10-19 Lane Research Spectacles using variable focal length lenses which have an arbitrarily shaped periphery
US6288846B1 (en) * 1999-09-24 2001-09-11 Arizona Carbon Foil Co., Inc. Variable focal-length lens assembly
WO2001059488A1 (en) * 2000-02-11 2001-08-16 Pietro Sgarbi Process for obtaining biquadratic optical surfaces and in particular schmidt correctors
US20110085243A1 (en) * 2009-10-13 2011-04-14 Amitava Gupta Non-Round Fluid Filled Lens Optic
US20110085131A1 (en) * 2009-10-14 2011-04-14 Adlens Beacon, Inc. Aspheric Fluid Filled Lens Optic
US20140016087A1 (en) * 2012-07-13 2014-01-16 Amitava Gupta Fluid Lenses, Lens Blanks, and Methods of Manufacturing the Same

Also Published As

Publication number Publication date
GB2539822A (en) 2016-12-28
WO2015107362A1 (en) 2015-07-23
GB201613973D0 (en) 2016-09-28
CN106457706A (en) 2017-02-22

Similar Documents

Publication Publication Date Title
EP3112914A4 (en) Zoom lens
EP3227733A4 (en) Vision-protecting filter lens
ZA201608882B (en) Zoom lens
EP3171211A4 (en) Camera lens
EP3136140A4 (en) Eyeglass lens
EP3153921A4 (en) Lens barrel
DK3149048T3 (en) Chloridsalt af tat-nr2b9c
GB2522082B (en) Optical component
SG11201700389TA (en) Optical member
EP3158974A4 (en) Intraocular lens
EP3136139A4 (en) Eyeglass lens
PL3188616T3 (en) Spectacle case
GB2547884B (en) Follow focus
EP3177956A4 (en) Macro lens
EP3136136A4 (en) Eyeglass lens
IL251187A0 (en) Optical table
SG10201608874WA (en) Lens
HUE038956T2 (en) Multifocal lens
EP3121643A4 (en) Ophthalmic lens
EP3136138A4 (en) Spectacle lens
EP3123979A4 (en) Intraocular lens
EP3239764A4 (en) Spectacle lens
SG11201707124UA (en) Intraocular lens
GB2532840B (en) Wide-angle lens
EP3200725A4 (en) Improved intraocular lens