FR901508A - Device for obtaining light signs - Google Patents

Device for obtaining light signs

Info

Publication number
FR901508A
FR901508A FR901508DA FR901508A FR 901508 A FR901508 A FR 901508A FR 901508D A FR901508D A FR 901508DA FR 901508 A FR901508 A FR 901508A
Authority
FR
France
Prior art keywords
obtaining light
light signs
signs
obtaining
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.)
Expired
Application number
Other languages
French (fr)
Inventor
Oskar Alexander Ringleb
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
Application granted granted Critical
Publication of FR901508A publication Critical patent/FR901508A/en
Expired 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
    • G02B6/0041—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided in the bulk 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
    • G09F2013/1863—Layer with different refractive index
FR901508D 1942-10-23 1944-01-25 Device for obtaining light signs Expired FR901508A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE901508X 1942-10-23

Publications (1)

Publication Number Publication Date
FR901508A true FR901508A (en) 1945-07-30

Family

ID=6858957

Family Applications (1)

Application Number Title Priority Date Filing Date
FR901508D Expired FR901508A (en) 1942-10-23 1944-01-25 Device for obtaining light signs

Country Status (1)

Country Link
FR (1) FR901508A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5369553A (en) * 1992-04-24 1994-11-29 Trusiani; Paul J. Illuminated panel device and method of manufacture
EP2735789A2 (en) * 2012-11-26 2014-05-28 Bang & Olufsen A/S Lens arrangement with light guide and internal reflecting elements

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5369553A (en) * 1992-04-24 1994-11-29 Trusiani; Paul J. Illuminated panel device and method of manufacture
EP2735789A2 (en) * 2012-11-26 2014-05-28 Bang & Olufsen A/S Lens arrangement with light guide and internal reflecting elements
EP2735789A3 (en) * 2012-11-26 2014-12-03 Bang & Olufsen A/S Lens arrangement with light guide and internal reflecting elements

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