GB0903862D0 - Light guides - Google Patents

Light guides

Info

Publication number
GB0903862D0
GB0903862D0 GB0903862A GB0903862A GB0903862D0 GB 0903862 D0 GB0903862 D0 GB 0903862D0 GB 0903862 A GB0903862 A GB 0903862A GB 0903862 A GB0903862 A GB 0903862A GB 0903862 D0 GB0903862 D0 GB 0903862D0
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Withdrawn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
GB0903862A
Other versions
GB2468353A (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 GB0903862A priority Critical patent/GB2468353A/en
Publication of GB0903862D0 publication Critical patent/GB0903862D0/en
Priority to EP10707118.5A priority patent/EP2404201B1/en
Priority to KR1020117023322A priority patent/KR101751711B1/en
Priority to EP10707119.3A priority patent/EP2404202B1/en
Priority to JP2011552528A priority patent/JP2012519931A/en
Priority to US13/254,985 priority patent/US9164223B2/en
Priority to GB1003637A priority patent/GB2468410A/en
Priority to PCT/GB2010/050387 priority patent/WO2010100504A1/en
Priority to CN201080010523.4A priority patent/CN102341734B/en
Priority to TW099106478A priority patent/TWI596406B/en
Priority to GB1003647A priority patent/GB2468411A/en
Priority to PCT/GB2010/050388 priority patent/WO2010100505A1/en
Priority to TW099106479A priority patent/TWI502230B/en
Priority to US13/254,990 priority patent/US9625641B2/en
Publication of GB2468353A publication Critical patent/GB2468353A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20954—Modifications to facilitate cooling, ventilating, or heating for display panels
    • H05K7/20963—Heat transfer by conduction from internal heat source to heat radiating structure
    • 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
    • G02B6/0033—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
    • 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
    • G02B6/0066—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
    • G02B6/0081—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
    • 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]
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2029—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Planar Illumination Modules (AREA)
GB0903862A 2009-03-05 2009-03-05 A light guide device Withdrawn GB2468353A (en)

Priority Applications (14)

Application Number Priority Date Filing Date Title
GB0903862A GB2468353A (en) 2009-03-05 2009-03-05 A light guide device
US13/254,990 US9625641B2 (en) 2009-03-05 2010-03-05 Light guides
GB1003637A GB2468410A (en) 2009-03-05 2010-03-05 Light guide
CN201080010523.4A CN102341734B (en) 2009-03-05 2010-03-05 Light guides
EP10707119.3A EP2404202B1 (en) 2009-03-05 2010-03-05 Light guides
JP2011552528A JP2012519931A (en) 2009-03-05 2010-03-05 Light guide
US13/254,985 US9164223B2 (en) 2009-03-05 2010-03-05 Light guides
EP10707118.5A EP2404201B1 (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
TW099106478A TWI596406B (en) 2009-03-05 2010-03-05 Light guides
GB1003647A GB2468411A (en) 2009-03-05 2010-03-05 Light guide with heat sink
PCT/GB2010/050388 WO2010100505A1 (en) 2009-03-05 2010-03-05 Light guides
TW099106479A TWI502230B (en) 2009-03-05 2010-03-05 Light guides

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0903862A GB2468353A (en) 2009-03-05 2009-03-05 A light guide device

Publications (2)

Publication Number Publication Date
GB0903862D0 true GB0903862D0 (en) 2009-04-22
GB2468353A GB2468353A (en) 2010-09-08

Family

ID=40600599

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0903862A Withdrawn GB2468353A (en) 2009-03-05 2009-03-05 A light guide device

Country Status (1)

Country Link
GB (1) GB2468353A (en)

Families Citing this family (8)

* 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
GB2475511A (en) * 2009-11-20 2011-05-25 Iti Scotland Ltd Light guide with heat sink
WO2010100505A1 (en) 2009-03-05 2010-09-10 Iti Scotland Limited Light guides
JP2012519931A (en) 2009-03-05 2012-08-30 アイティーアイ スコットランド リミテッド Light guide
GB2475738A (en) * 2009-11-30 2011-06-01 Iti Scotland Ltd Light guide with heat sink
GB2475510A (en) * 2009-11-20 2011-05-25 Iti Scotland Ltd Light guides
CN109313295B (en) 2016-06-03 2021-10-08 3M创新有限公司 Optical filter with spatially varying microreplicated layer
US11921373B2 (en) * 2020-02-10 2024-03-05 3M Innovative Properties Company Backlight for display

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10001412C2 (en) * 2000-01-14 2001-12-06 Siemens Ag Lighting unit
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
GB2468353A (en) 2010-09-08

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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)