GB2329996B - Illuminated signs - Google Patents

Illuminated signs

Info

Publication number
GB2329996B
GB2329996B GB9821085A GB9821085A GB2329996B GB 2329996 B GB2329996 B GB 2329996B GB 9821085 A GB9821085 A GB 9821085A GB 9821085 A GB9821085 A GB 9821085A GB 2329996 B GB2329996 B GB 2329996B
Authority
GB
United Kingdom
Prior art keywords
illuminated signs
illuminated
signs
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 - Lifetime
Application number
GB9821085A
Other versions
GB2329996A (en
GB9821085D0 (en
Inventor
Angus Jonathan Bertram Stone
Kevin Mayo
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.)
Menvier Ltd
Original Assignee
Menvier 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 Menvier Ltd filed Critical Menvier Ltd
Publication of GB9821085D0 publication Critical patent/GB9821085D0/en
Publication of GB2329996A publication Critical patent/GB2329996A/en
Application granted granted Critical
Publication of GB2329996B publication Critical patent/GB2329996B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G02B6/0081—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
    • G02B6/0086—Positioning aspects
    • G02B6/0091—Positioning aspects of the light source relative to 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
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0031—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
    • G02B6/0081—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
GB9821085A 1997-10-03 1998-09-30 Illuminated signs Expired - Lifetime GB2329996B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9720907.6A GB9720907D0 (en) 1997-10-03 1997-10-03 Illuminated signs

Publications (3)

Publication Number Publication Date
GB9821085D0 GB9821085D0 (en) 1998-11-18
GB2329996A GB2329996A (en) 1999-04-07
GB2329996B true GB2329996B (en) 2001-03-28

Family

ID=10819935

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9720907.6A Pending GB9720907D0 (en) 1997-10-03 1997-10-03 Illuminated signs
GB9821085A Expired - Lifetime GB2329996B (en) 1997-10-03 1998-09-30 Illuminated signs

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9720907.6A Pending GB9720907D0 (en) 1997-10-03 1997-10-03 Illuminated signs

Country Status (3)

Country Link
BE (1) BE1011955A3 (en)
GB (2) GB9720907D0 (en)
NL (1) NL1010215C2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AUPQ663800A0 (en) * 2000-03-31 2000-05-04 Legrand Minitronics Pty Ltd Sign carrier for an emergency light

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2038527A (en) * 1978-11-28 1980-07-23 Nuttall D Display devices
GB2301692A (en) * 1995-05-25 1996-12-11 Rainford Group Plc Illuminated signs
EP0573051B1 (en) * 1992-06-04 1997-01-29 Tosoh Corporation Back lighting device
WO1997033268A1 (en) * 1996-03-08 1997-09-12 Ericsson, Inc. Light guide for a display or keyboard

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2038527A (en) * 1978-11-28 1980-07-23 Nuttall D Display devices
EP0573051B1 (en) * 1992-06-04 1997-01-29 Tosoh Corporation Back lighting device
GB2301692A (en) * 1995-05-25 1996-12-11 Rainford Group Plc Illuminated signs
WO1997033268A1 (en) * 1996-03-08 1997-09-12 Ericsson, Inc. Light guide for a display or keyboard

Also Published As

Publication number Publication date
NL1010215A1 (en) 1999-04-08
GB2329996A (en) 1999-04-07
BE1011955A3 (en) 2000-03-07
GB9720907D0 (en) 1997-12-03
NL1010215C2 (en) 1999-11-11
GB9821085D0 (en) 1998-11-18

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20180929