GB0905070D0 - Light guides - Google Patents

Light guides

Info

Publication number
GB0905070D0
GB0905070D0 GB0905070A GB0905070A GB0905070D0 GB 0905070 D0 GB0905070 D0 GB 0905070D0 GB 0905070 A GB0905070 A GB 0905070A GB 0905070 A GB0905070 A GB 0905070A GB 0905070 D0 GB0905070 D0 GB 0905070D0
Authority
GB
United Kingdom
Prior art keywords
light guides
guides
light
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.)
Withdrawn
Application number
GB0905070A
Other versions
GB2468875A (en
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.)
ITI Scotland Ltd
Original Assignee
ITI Scotland 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 ITI Scotland Ltd filed Critical ITI Scotland Ltd
Priority to GB0905070A priority Critical patent/GB2468875A/en
Publication of GB0905070D0 publication Critical patent/GB0905070D0/en
Priority to GB1003637A priority patent/GB2468410A/en
Priority to PCT/GB2010/050388 priority patent/WO2010100505A1/en
Priority to KR1020117023322A priority patent/KR101751711B1/en
Priority to EP10707119.3A priority patent/EP2404202B1/en
Priority to EP10707118.5A priority patent/EP2404201B1/en
Priority to TW099106478A priority patent/TWI596406B/en
Priority to JP2011552528A priority patent/JP2012519931A/en
Priority to PCT/GB2010/050387 priority patent/WO2010100504A1/en
Priority to TW099106479A priority patent/TWI502230B/en
Priority to US13/254,990 priority patent/US9625641B2/en
Priority to CN201080010523.4A priority patent/CN102341734B/en
Priority to GB1003647A priority patent/GB2468411A/en
Priority to US13/254,985 priority patent/US9164223B2/en
Publication of GB2468875A publication Critical patent/GB2468875A/en
Withdrawn legal-status Critical Current

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
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/002—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
    • G02B6/0021—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces for housing at least a part of the light source, e.g. by forming holes or recesses
    • 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
    • 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
    • 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
    • G02B6/0073—Light emitting diode [LED]
    • 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
    • G02B6/0083—Details of electrical connections of light sources to drivers, circuit boards, or the like
    • 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
    • G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
    • G02B6/0043—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided on the surface of the light guide
    • 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
    • G02B6/005—Means 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
    • G02B6/0055—Reflecting element, sheet or layer
    • 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
    • G02B6/0065—Manufacturing aspects; Material aspects
    • 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
    • G02B6/0085—Means for removing heat created by the light source from the package
GB0905070A 2009-03-05 2009-03-24 Light guide comprising rows and/or columns of LED's Withdrawn GB2468875A (en)

Priority Applications (14)

Application Number Priority Date Filing Date Title
GB0905070A GB2468875A (en) 2009-03-24 2009-03-24 Light guide comprising rows and/or columns of LED's
US13/254,985 US9164223B2 (en) 2009-03-05 2010-03-05 Light guides
TW099106478A TWI596406B (en) 2009-03-05 2010-03-05 Light guides
PCT/GB2010/050387 WO2010100504A1 (en) 2009-03-05 2010-03-05 Light guides
KR1020117023322A KR101751711B1 (en) 2009-03-05 2010-03-05 Light guides
EP10707119.3A EP2404202B1 (en) 2009-03-05 2010-03-05 Light guides
EP10707118.5A EP2404201B1 (en) 2009-03-05 2010-03-05 Light guides
GB1003637A GB2468410A (en) 2009-03-05 2010-03-05 Light guide
JP2011552528A JP2012519931A (en) 2009-03-05 2010-03-05 Light guide
PCT/GB2010/050388 WO2010100505A1 (en) 2009-03-05 2010-03-05 Light guides
TW099106479A TWI502230B (en) 2009-03-05 2010-03-05 Light guides
US13/254,990 US9625641B2 (en) 2009-03-05 2010-03-05 Light guides
CN201080010523.4A CN102341734B (en) 2009-03-05 2010-03-05 Light guides
GB1003647A GB2468411A (en) 2009-03-05 2010-03-05 Light guide with heat sink

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0905070A GB2468875A (en) 2009-03-24 2009-03-24 Light guide comprising rows and/or columns of LED's

Publications (2)

Publication Number Publication Date
GB0905070D0 true GB0905070D0 (en) 2009-05-06
GB2468875A GB2468875A (en) 2010-09-29

Family

ID=40640092

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0905070A Withdrawn GB2468875A (en) 2009-03-05 2009-03-24 Light guide comprising rows and/or columns of LED's

Country Status (1)

Country Link
GB (1) GB2468875A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2464916B (en) 2008-10-21 2013-07-31 Iti Scotland Ltd Light Guides
GB2475738A (en) * 2009-11-30 2011-06-01 Iti Scotland Ltd Light guide with heat sink
GB2475511A (en) * 2009-11-20 2011-05-25 Iti Scotland Ltd Light guide with heat sink
KR101751711B1 (en) 2009-03-05 2017-06-28 아이티아이 스코틀랜드 리미티드 Light guides
GB2475510A (en) * 2009-11-20 2011-05-25 Iti Scotland Ltd Light guides
US9625641B2 (en) 2009-03-05 2017-04-18 Design Led Products Limited Light guides
JP2012119246A (en) * 2010-12-03 2012-06-21 Hitachi Consumer Electronics Co Ltd Backlight device and image display device using the same
WO2013035911A1 (en) 2011-09-09 2013-03-14 Lg Innotek Co., Ltd. A method of fabricating thick film of large area substrate and thick film, backlihgt unit and liquid crystal display using the same
US10386559B2 (en) 2013-03-29 2019-08-20 Signify Holding B.V. Light emitting device comprising wavelength converter
US11187576B2 (en) 2016-06-03 2021-11-30 3M Innovative Properties Company Optical filters having spatially variant microreplicated layers

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7311431B2 (en) * 2005-04-01 2007-12-25 Avago Technologies Ecbu Ip Pte Ltd Light-emitting apparatus having a plurality of adjacent, overlapping light-guide plates
GB2438440B (en) * 2006-05-26 2008-04-23 Design Led Products Ltd A composite light guiding device
GB2448564B (en) * 2007-11-26 2009-04-29 Iti Scotland Ltd Light guides

Also Published As

Publication number Publication date
GB2468875A (en) 2010-09-29

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)