SG11201608201PA - Asymmetric turning film with multiple light sources - Google Patents

Asymmetric turning film with multiple light sources

Info

Publication number
SG11201608201PA
SG11201608201PA SG11201608201PA SG11201608201PA SG11201608201PA SG 11201608201P A SG11201608201P A SG 11201608201PA SG 11201608201P A SG11201608201P A SG 11201608201PA SG 11201608201P A SG11201608201P A SG 11201608201PA SG 11201608201P A SG11201608201P A SG 11201608201PA
Authority
SG
Singapore
Prior art keywords
light sources
multiple light
turning film
asymmetric turning
asymmetric
Prior art date
Application number
SG11201608201PA
Inventor
Nicholas A Johnson
Gilles Jean-Baptiste Benoit
John A Wheatley
Kenneth A Epstein
David Scott Thompson
Michael E Lauters
Original Assignee
3M Innovative Properties Co
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 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Publication of SG11201608201PA publication Critical patent/SG11201608201PA/en

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00Refractors for light sources
    • F21V5/002Refractors for light sources using microoptical elements for redirecting or diffusing light
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/02Diffusing elements; Afocal elements
    • G02B5/0205Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/021Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
    • G02B5/0231Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having microprismatic or micropyramidal shape
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00Refractors for light sources
    • F21V5/08Refractors for light sources producing an asymmetric light distribution
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V9/00Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/14Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for producing polarised light
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0004Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
    • G02B19/0028Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed refractive and reflective surfaces, e.g. non-imaging catadioptric systems
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0033Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
    • G02B19/0047Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/02Diffusing elements; Afocal elements
    • G02B5/0273Diffusing elements; Afocal elements characterized by the use
    • G02B5/0278Diffusing elements; Afocal elements characterized by the use used in transmission
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0033Means for improving the coupling-out of light from the light guide
    • G02B6/005Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0053Prismatic sheet or layer; Brightness enhancement element, sheet or layer
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/04Prisms
    • G02B5/045Prism arrays
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0066Light 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
    • G02B6/0068Arrangements of plural sources, e.g. multi-colour light sources
SG11201608201PA 2014-04-01 2015-03-27 Asymmetric turning film with multiple light sources SG11201608201PA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201461973720P 2014-04-01 2014-04-01
PCT/US2015/022925 WO2015153329A2 (en) 2014-04-01 2015-03-27 Asymmetric turning film with multiple light sources

Publications (1)

Publication Number Publication Date
SG11201608201PA true SG11201608201PA (en) 2016-10-28

Family

ID=53264730

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201608201PA SG11201608201PA (en) 2014-04-01 2015-03-27 Asymmetric turning film with multiple light sources

Country Status (8)

Country Link
US (1) US10371350B2 (en)
EP (2) EP3748408A1 (en)
JP (2) JP2017511573A (en)
KR (1) KR20160138984A (en)
CN (1) CN106170720B (en)
SG (1) SG11201608201PA (en)
TW (1) TW201541148A (en)
WO (1) WO2015153329A2 (en)

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Also Published As

Publication number Publication date
KR20160138984A (en) 2016-12-06
CN106170720A (en) 2016-11-30
US10371350B2 (en) 2019-08-06
JP2017511573A (en) 2017-04-20
JP7023269B2 (en) 2022-02-21
EP3748408A1 (en) 2020-12-09
JP2020074297A (en) 2020-05-14
US20170175976A1 (en) 2017-06-22
WO2015153329A2 (en) 2015-10-08
TW201541148A (en) 2015-11-01
WO2015153329A3 (en) 2016-01-21
CN106170720B (en) 2019-08-23
EP3126884A2 (en) 2017-02-08

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