SG11202101854YA - Light projecting device - Google Patents

Light projecting device

Info

Publication number
SG11202101854YA
SG11202101854YA SG11202101854YA SG11202101854YA SG11202101854YA SG 11202101854Y A SG11202101854Y A SG 11202101854YA SG 11202101854Y A SG11202101854Y A SG 11202101854YA SG 11202101854Y A SG11202101854Y A SG 11202101854YA SG 11202101854Y A SG11202101854Y A SG 11202101854YA
Authority
SG
Singapore
Prior art keywords
light projecting
projecting device
light
projecting
Prior art date
Application number
SG11202101854YA
Inventor
Norihisa Yoshimura
Original Assignee
Ccs Inc
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 Ccs Inc filed Critical Ccs Inc
Publication of SG11202101854YA publication Critical patent/SG11202101854YA/en

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
    • 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
    • G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0086—Positioning aspects
    • G02B6/0091—Positioning aspects of the light source relative to the light guide
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • 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
    • 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
    • G01N21/8806—Specially adapted optical and illumination features
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0066—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
    • G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
    • 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
    • G01N21/8806—Specially adapted optical and illumination features
    • G01N2021/8812—Diffuse illumination, e.g. "sky"
    • 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
    • G01N21/8806—Specially adapted optical and illumination features
    • G01N2021/8812—Diffuse illumination, e.g. "sky"
    • G01N2021/8819—Diffuse illumination, e.g. "sky" by using retroreflecting screen
SG11202101854YA 2018-08-31 2019-08-29 Light projecting device SG11202101854YA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018163523 2018-08-31
PCT/JP2019/033869 WO2020045557A1 (en) 2018-08-31 2019-08-29 Light projecting device

Publications (1)

Publication Number Publication Date
SG11202101854YA true SG11202101854YA (en) 2021-03-30

Family

ID=69643642

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202101854YA SG11202101854YA (en) 2018-08-31 2019-08-29 Light projecting device

Country Status (7)

Country Link
US (1) US11761900B2 (en)
EP (1) EP3845888A4 (en)
JP (1) JPWO2020045557A1 (en)
KR (1) KR20210049794A (en)
CN (1) CN112585451A (en)
SG (1) SG11202101854YA (en)
WO (1) WO2020045557A1 (en)

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4399483B2 (en) * 1996-09-24 2010-01-13 セイコーエプソン株式会社 Liquid crystal display device and electronic device
KR100498721B1 (en) * 1996-09-24 2005-11-28 세이코 엡슨 가부시키가이샤 Lighting devices and indicators using the devices
JP2002109928A (en) * 2000-09-27 2002-04-12 Yuka Denshi Co Ltd Light guide plate, and flat lighting device and liquid crystal display device using the same
JP2003098093A (en) 2001-09-25 2003-04-03 Ccs Inc Lighting system for examination
JP2004349182A (en) * 2003-05-23 2004-12-09 Omron Corp Front light and reflection type display device
WO2006120932A1 (en) * 2005-05-12 2006-11-16 Nippon Sheet Glass Company, Limited Light guide and image reader
CN101248348B (en) * 2005-08-26 2012-05-30 Ccs株式会社 Light irradiation apparatus and optical member
JP5951928B2 (en) 2007-09-06 2016-07-13 スリーエム イノベイティブ プロパティズ カンパニー Light guide with light extraction structure to provide area control of light output
JP2010112735A (en) * 2008-11-04 2010-05-20 Imac Co Ltd Illuminating device for inspection
EP2435867A1 (en) 2009-05-29 2012-04-04 Qualcomm Mems Technologies, Inc. Illumination devices and methods of fabrication thereof
JP2011192484A (en) * 2010-03-12 2011-09-29 Nanocreate Co Ltd Light guide plate and lighting system with the same
JP2013206834A (en) * 2012-03-29 2013-10-07 Toppan Printing Co Ltd Illumination unit using light guide body, and display device having the same
JP2016136124A (en) 2015-01-24 2016-07-28 株式会社イマック Inspection illumination device
KR20190077440A (en) 2016-10-31 2019-07-03 가부시키가이샤 이맥 Inspection device

Also Published As

Publication number Publication date
EP3845888A1 (en) 2021-07-07
EP3845888A4 (en) 2022-05-04
CN112585451A (en) 2021-03-30
WO2020045557A1 (en) 2020-03-05
KR20210049794A (en) 2021-05-06
US20210247326A1 (en) 2021-08-12
JPWO2020045557A1 (en) 2021-09-24
US11761900B2 (en) 2023-09-19

Similar Documents

Publication Publication Date Title
SG11202009209YA (en) Optical device
GB201803700D0 (en) Device
GB201818318D0 (en) Optical device
GB2571269B (en) Optoelectronic device
CA187747S (en) Circular light
CA185679S (en) Light
EP3803960C0 (en) Optoelectronic device
EP3499299C0 (en) Optical device
GB201709922D0 (en) Optical device
CA184717S (en) Lighting device
PL3578878T3 (en) Light guide device
GB202018426D0 (en) Optoelectronic device
CA184719S (en) Lighting device
CA184718S (en) Lighting device
GB201805903D0 (en) Device
CA187451S (en) Light
CA187450S (en) Light
KR102314030B9 (en) Optical device
CA187452S (en) Light
GB2577767B (en) Lighting device
CA187748S (en) Circular light
CA187033S (en) Lighting device
GB201819908D0 (en) Lighting device
GB2595588B (en) Optoelectronic device
GB201802846D0 (en) Overboarding device