GB0419391D0 - Luminaire comprising a light box - Google Patents

Luminaire comprising a light box

Info

Publication number
GB0419391D0
GB0419391D0 GBGB0419391.8A GB0419391A GB0419391D0 GB 0419391 D0 GB0419391 D0 GB 0419391D0 GB 0419391 A GB0419391 A GB 0419391A GB 0419391 D0 GB0419391 D0 GB 0419391D0
Authority
GB
United Kingdom
Prior art keywords
luminaire
light box
box
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.)
Ceased
Application number
GBGB0419391.8A
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.)
3M Innovative Properties Co
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
Priority to GBGB0419391.8A priority Critical patent/GB0419391D0/en
Publication of GB0419391D0 publication Critical patent/GB0419391D0/en
Priority to PCT/US2005/030253 priority patent/WO2006028719A2/en
Priority to EP05790301A priority patent/EP1784808A2/en
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/002—Refractors for light sources using microoptical elements for redirecting or diffusing light
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/02—Refractors for light sources of prismatic shape
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
    • 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
    • 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
    • G02B6/0051—Diffusing 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
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
    • G02B6/0061—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to provide homogeneous light output intensity
GBGB0419391.8A 2004-09-01 2004-09-01 Luminaire comprising a light box Ceased GB0419391D0 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GBGB0419391.8A GB0419391D0 (en) 2004-09-01 2004-09-01 Luminaire comprising a light box
PCT/US2005/030253 WO2006028719A2 (en) 2004-09-01 2005-08-25 Light box
EP05790301A EP1784808A2 (en) 2004-09-01 2005-08-25 Light box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0419391.8A GB0419391D0 (en) 2004-09-01 2004-09-01 Luminaire comprising a light box

Publications (1)

Publication Number Publication Date
GB0419391D0 true GB0419391D0 (en) 2004-10-06

Family

ID=33155839

Family Applications (1)

Application Number Title Priority Date Filing Date
GBGB0419391.8A Ceased GB0419391D0 (en) 2004-09-01 2004-09-01 Luminaire comprising a light box

Country Status (3)

Country Link
EP (1) EP1784808A2 (en)
GB (1) GB0419391D0 (en)
WO (1) WO2006028719A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103486535A (en) * 2013-10-21 2014-01-01 广州市松叶电子科技有限公司 LED (light-emitting diode) light source fluorescent powder light matching plate

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4874228A (en) * 1987-03-24 1989-10-17 Minnesota Mining And Manufacturing Company Back-lit display
US4791540A (en) 1987-05-26 1988-12-13 Minnesota Mining And Manufacturing Company Light fixture providing normalized output
DE4039291A1 (en) 1990-12-08 1992-06-11 Minnesota Mining & Mfg LIGHTBOX
US5422189A (en) * 1992-10-01 1995-06-06 Minnesota Mining And Manufacturing Company Flexible optically uniform sign face substrate
DE4442351A1 (en) * 1994-11-29 1996-05-30 Thoca Geraetebau Gmbh Light box, e.g. for through illumination of transparent film or foil, e.g. for medical evaluation of X=ray images
GB2310525A (en) 1996-02-24 1997-08-27 Ronnie Revell Illuminated display device
US5836096A (en) * 1996-03-04 1998-11-17 Brauer; William R. Apparatus for illuminating medical diagnostic imaging film with enhanced viewability
DE29609245U1 (en) * 1996-05-23 1997-09-25 Trautwein Gmbh & Co Advertising order
GB0006327D0 (en) 2000-03-16 2000-05-03 3M Innovative Properties Co Light guides suitable for illuminated displays

Also Published As

Publication number Publication date
WO2006028719A2 (en) 2006-03-16
EP1784808A2 (en) 2007-05-16
WO2006028719A3 (en) 2006-05-04

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)