GB2283849B - Luminaire - Google Patents

Luminaire

Info

Publication number
GB2283849B
GB2283849B GB9322275A GB9322275A GB2283849B GB 2283849 B GB2283849 B GB 2283849B GB 9322275 A GB9322275 A GB 9322275A GB 9322275 A GB9322275 A GB 9322275A GB 2283849 B GB2283849 B GB 2283849B
Authority
GB
United Kingdom
Prior art keywords
luminaire
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.)
Expired - Fee Related
Application number
GB9322275A
Other versions
GB9322275D0 (en
GB2283849A (en
Inventor
James Barry Merrin
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.)
Protec Fire Detection PLC
Original Assignee
Protec Fire Detection PLC
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 Protec Fire Detection PLC filed Critical Protec Fire Detection PLC
Priority to GB9322275A priority Critical patent/GB2283849B/en
Publication of GB9322275D0 publication Critical patent/GB9322275D0/en
Publication of GB2283849A publication Critical patent/GB2283849A/en
Application granted granted Critical
Publication of GB2283849B publication Critical patent/GB2283849B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G02B6/0033—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
    • G02B6/0035—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
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/18—Edge-illuminated signs
    • G09F2013/184—Information to display
    • G09F2013/1868—Fluorescent pencil

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
GB9322275A 1993-10-29 1993-10-29 Luminaire Expired - Fee Related GB2283849B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9322275A GB2283849B (en) 1993-10-29 1993-10-29 Luminaire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9322275A GB2283849B (en) 1993-10-29 1993-10-29 Luminaire

Publications (3)

Publication Number Publication Date
GB9322275D0 GB9322275D0 (en) 1993-12-15
GB2283849A GB2283849A (en) 1995-05-17
GB2283849B true GB2283849B (en) 1997-07-02

Family

ID=10744290

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9322275A Expired - Fee Related GB2283849B (en) 1993-10-29 1993-10-29 Luminaire

Country Status (1)

Country Link
GB (1) GB2283849B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6313892B2 (en) 1993-10-05 2001-11-06 Teledyne Lighting And Display Products, Inc. Light source utilizing reflective cavity having sloped side surfaces
US5440197A (en) * 1993-10-05 1995-08-08 Tir Technologies, Inc. Backlighting apparatus for uniformly illuminating a display panel
DE69427864T2 (en) * 1993-10-05 2002-07-04 Teledyne Lighting & Display LIGHT SOURCE FOR BACKLIGHTING
US6473554B1 (en) 1996-12-12 2002-10-29 Teledyne Lighting And Display Products, Inc. Lighting apparatus having low profile
US6007209A (en) * 1997-03-19 1999-12-28 Teledyne Industries, Inc. Light source for backlighting
US6134092A (en) * 1998-04-08 2000-10-17 Teledyne Lighting And Display Products, Inc. Illumination device for non-emissive displays
AUPQ664000A0 (en) * 2000-03-31 2000-05-04 Legrand Minitronics Pty Ltd Sign cartridge
WO2006080729A1 (en) 2004-10-07 2006-08-03 Seoul Semiconductor Co., Ltd. Side illumination lens and luminescent device using the same
AT513893B1 (en) * 2013-01-22 2015-09-15 Din Dietmar Nocker Facilityman Gmbh Information board, in particular for an emergency lighting system

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB656213A (en) * 1949-08-18 1951-08-15 Westinghouse Brake & Signal Improvements relating to illuminated signs
US4811507A (en) * 1986-04-18 1989-03-14 Blanchet Pierre A Apparatus for the display of illuminated translucent documents
GB2234581A (en) * 1989-08-03 1991-02-06 Pioneer Electronic Corp Illumination device for display board
EP0426411A2 (en) * 1989-10-30 1991-05-08 Minnesota Mining And Manufacturing Company Light fixture with beam shaping lens
GB2252193A (en) * 1988-04-18 1992-07-29 World Auto Plate Ltd Vehicular number plate.
US5136480A (en) * 1989-02-10 1992-08-04 Lumitex, Inc. Thin panel illuminator

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB656213A (en) * 1949-08-18 1951-08-15 Westinghouse Brake & Signal Improvements relating to illuminated signs
US4811507A (en) * 1986-04-18 1989-03-14 Blanchet Pierre A Apparatus for the display of illuminated translucent documents
GB2252193A (en) * 1988-04-18 1992-07-29 World Auto Plate Ltd Vehicular number plate.
US5136480A (en) * 1989-02-10 1992-08-04 Lumitex, Inc. Thin panel illuminator
GB2234581A (en) * 1989-08-03 1991-02-06 Pioneer Electronic Corp Illumination device for display board
EP0426411A2 (en) * 1989-10-30 1991-05-08 Minnesota Mining And Manufacturing Company Light fixture with beam shaping lens

Also Published As

Publication number Publication date
GB9322275D0 (en) 1993-12-15
GB2283849A (en) 1995-05-17

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20001029