NL6607481A - - Google Patents

Info

Publication number
NL6607481A
NL6607481A NL6607481A NL6607481A NL6607481A NL 6607481 A NL6607481 A NL 6607481A NL 6607481 A NL6607481 A NL 6607481A NL 6607481 A NL6607481 A NL 6607481A NL 6607481 A NL6607481 A NL 6607481A
Authority
NL
Netherlands
Application number
NL6607481A
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 filed Critical
Publication of NL6607481A publication Critical patent/NL6607481A/xx

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0033Means for improving the coupling-out of light from the light guide
    • G02B6/005Means 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
    • G02B6/0055Reflecting element, sheet or layer
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0033Means for improving the coupling-out of light from the light guide
    • G02B6/0058Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
    • G02B6/006Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to produce indicia, symbols, texts or the like
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00Illuminated signs; Luminous advertising
    • G09F13/18Edge-illuminated signs
    • G09F2013/184Information to display
    • G09F2013/185Embossed marks

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
NL6607481A 1965-07-14 1966-05-31 NL6607481A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2980365A GB1091516A (en) 1965-07-14 1965-07-14 Illuminated signs

Publications (1)

Publication Number Publication Date
NL6607481A true NL6607481A (en:Method) 1967-01-16

Family

ID=10297412

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6607481A NL6607481A (en:Method) 1965-07-14 1966-05-31

Country Status (2)

Country Link
GB (1) GB1091516A (en:Method)
NL (1) NL6607481A (en:Method)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2171236B (en) * 1985-02-16 1989-05-10 Barconwood Limited Display unit
DE29605534U1 (de) * 1996-03-14 1996-07-11 Quick Herbert Hinweis- oder Informationsleuchte und entsprechende Profile
DE29709043U1 (de) * 1996-05-28 1997-07-24 Mrvik Pavel Vorrichtung zur Bildung von Lichtfiguren
US6705033B1 (en) * 2002-05-13 2004-03-16 Kenneth L. Greene LED-illuminated outdoor sign
CN100454360C (zh) * 2004-07-20 2009-01-21 摩托罗拉公司 发光装置

Also Published As

Publication number Publication date
GB1091516A (en) 1967-11-15

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