SG10201509497VA - Contact lens defect inspection using uv illumination - Google Patents

Contact lens defect inspection using uv illumination

Info

Publication number
SG10201509497VA
SG10201509497VA SG10201509497VA SG10201509497VA SG10201509497VA SG 10201509497V A SG10201509497V A SG 10201509497VA SG 10201509497V A SG10201509497V A SG 10201509497VA SG 10201509497V A SG10201509497V A SG 10201509497VA SG 10201509497V A SG10201509497V A SG 10201509497VA
Authority
SG
Singapore
Prior art keywords
illumination
contact lens
defect inspection
lens defect
inspection
Prior art date
Application number
SG10201509497VA
Inventor
Smorgon Sergey
Bee Chuan Tan
Original Assignee
Emage Vision Pte Ltd
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
Application filed by Emage Vision Pte Ltd filed Critical Emage Vision Pte Ltd
Priority to SG10201509497VA priority Critical patent/SG10201509497VA/en
Priority to DE102016122146.5A priority patent/DE102016122146A1/en
Priority to US15/355,595 priority patent/US10739278B2/en
Priority to MYPI2016002040A priority patent/MY191431A/en
Priority to CN201611271119.8A priority patent/CN106940306A/en
Priority to KR1020160154233A priority patent/KR20170058318A/en
Priority to TW105137850A priority patent/TW201733335A/en
Priority to JP2016225222A priority patent/JP2017106909A/en
Publication of SG10201509497VA publication Critical patent/SG10201509497VA/en
Priority to US16/940,564 priority patent/US11408834B2/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/02—Testing optical properties
    • G01M11/0242—Testing optical properties by measuring geometrical properties or aberrations
    • G01M11/0278—Detecting defects of the object to be tested, e.g. scratches or dust
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/958—Inspecting transparent materials or objects, e.g. windscreens
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/33—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using ultraviolet light
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/0002—Inspection of images, e.g. flaw detection
    • G06T7/0004—Industrial image inspection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/56—Cameras or camera modules comprising electronic image sensors; Control thereof provided with illuminating means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • H04N7/183—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • G01N2021/6417—Spectrofluorimetric devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • G01N21/645—Specially adapted constructive features of fluorimeters
    • G01N21/6456—Spatial resolved fluorescence measurements; Imaging
    • G01N2021/646—Detecting fluorescent inhomogeneities at a position, e.g. for detecting defects
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/958—Inspecting transparent materials or objects, e.g. windscreens
    • G01N2021/9583—Lenses
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/06—Illumination; Optics
    • G01N2201/061—Sources
    • G01N2201/06146—Multisources for homogeneisation, as well sequential as simultaneous operation
    • G01N2201/06153—Multisources for homogeneisation, as well sequential as simultaneous operation the sources being LED's
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10004—Still image; Photographic image
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10024—Color image
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10064—Fluorescence image
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30108—Industrial image inspection
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30108—Industrial image inspection
    • G06T2207/30164—Workpiece; Machine component
SG10201509497VA 2015-11-18 2015-11-18 Contact lens defect inspection using uv illumination SG10201509497VA (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
SG10201509497VA SG10201509497VA (en) 2015-11-18 2015-11-18 Contact lens defect inspection using uv illumination
DE102016122146.5A DE102016122146A1 (en) 2015-11-18 2016-11-17 Contact lens defect examination using UV radiation
US15/355,595 US10739278B2 (en) 2015-11-18 2016-11-18 Contact lens defect inspection using UV illumination
MYPI2016002040A MY191431A (en) 2015-11-18 2016-11-18 Contact lens defect inspection using uv illumination
CN201611271119.8A CN106940306A (en) 2015-11-18 2016-11-18 Utilize the contact lenses defects detection of UV illumination
KR1020160154233A KR20170058318A (en) 2015-11-18 2016-11-18 Contact lens defect inspection using uv illumination
TW105137850A TW201733335A (en) 2015-11-18 2016-11-18 Contact lens defect inspection using UV illumination
JP2016225222A JP2017106909A (en) 2015-11-18 2016-11-18 Contact lens defect inspection using uv illumination
US16/940,564 US11408834B2 (en) 2015-11-18 2020-07-28 Contact lens defect inspection using UV illumination

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SG10201509497VA SG10201509497VA (en) 2015-11-18 2015-11-18 Contact lens defect inspection using uv illumination

Publications (1)

Publication Number Publication Date
SG10201509497VA true SG10201509497VA (en) 2017-06-29

Family

ID=58640351

Family Applications (1)

Application Number Title Priority Date Filing Date
SG10201509497VA SG10201509497VA (en) 2015-11-18 2015-11-18 Contact lens defect inspection using uv illumination

Country Status (8)

Country Link
US (2) US10739278B2 (en)
JP (1) JP2017106909A (en)
KR (1) KR20170058318A (en)
CN (1) CN106940306A (en)
DE (1) DE102016122146A1 (en)
MY (1) MY191431A (en)
SG (1) SG10201509497VA (en)
TW (1) TW201733335A (en)

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* Cited by examiner, † Cited by third party
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US20180356558A1 (en) * 2017-06-08 2018-12-13 Novartis Ag Method for detecting the presence or absence of an ophthalmic lens within a receptacle
KR102194289B1 (en) * 2019-03-18 2020-12-22 주식회사 유니온커뮤니티 Apparatus and Method for Inspecting Cutting-off Ability of Blue or Violet Light
WO2022050151A1 (en) * 2020-09-02 2022-03-10 京セラ株式会社 Contact lens, case for contact lens, and contact lens unit
JP7309225B2 (en) * 2020-10-14 2023-07-18 イーメージ ヴィジョン ピーティーイー． エルティーディー． Contact lens defect analysis and tracking system
US11861823B2 (en) * 2021-04-27 2024-01-02 Johnson & Johnson Vision Care, Inc. Microfluidic device and method for quantifying contact lens deposition

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Also Published As

Publication number Publication date
JP2017106909A (en) 2017-06-15
US11408834B2 (en) 2022-08-09
TW201733335A (en) 2017-09-16
MY191431A (en) 2022-06-27
US10739278B2 (en) 2020-08-11
US20170138867A1 (en) 2017-05-18
US20200355626A1 (en) 2020-11-12
CN106940306A (en) 2017-07-11
KR20170058318A (en) 2017-05-26
DE102016122146A1 (en) 2017-05-18

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