FR1437656A - Improvements to light display processes - Google Patents

Improvements to light display processes

Info

Publication number
FR1437656A
FR1437656A FR10774A FR10774A FR1437656A FR 1437656 A FR1437656 A FR 1437656A FR 10774 A FR10774 A FR 10774A FR 10774 A FR10774 A FR 10774A FR 1437656 A FR1437656 A FR 1437656A
Authority
FR
France
Prior art keywords
light display
display processes
processes
light
display
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
FR10774A
Other languages
French (fr)
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.)
AVENIR PUBLICITE
Original Assignee
AVENIR PUBLICITE
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 AVENIR PUBLICITE filed Critical AVENIR PUBLICITE
Priority to FR10774A priority Critical patent/FR1437656A/en
Priority to BE672318D priority patent/BE672318A/xx
Priority to LU50369A priority patent/LU50369A1/xx
Application granted granted Critical
Publication of FR1437656A publication Critical patent/FR1437656A/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
    • G02B6/005—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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • 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
    • G02B6/006—Means 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
    • 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
    • G09F2013/1845—Interchangeable poster

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Optics & Photonics (AREA)
FR10774A 1965-03-26 1965-03-26 Improvements to light display processes Expired FR1437656A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR10774A FR1437656A (en) 1965-03-26 1965-03-26 Improvements to light display processes
BE672318D BE672318A (en) 1965-03-26 1965-11-16
LU50369A LU50369A1 (en) 1965-03-26 1966-02-01

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR10774A FR1437656A (en) 1965-03-26 1965-03-26 Improvements to light display processes

Publications (1)

Publication Number Publication Date
FR1437656A true FR1437656A (en) 1966-05-06

Family

ID=8574930

Family Applications (1)

Application Number Title Priority Date Filing Date
FR10774A Expired FR1437656A (en) 1965-03-26 1965-03-26 Improvements to light display processes

Country Status (3)

Country Link
BE (1) BE672318A (en)
FR (1) FR1437656A (en)
LU (1) LU50369A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0016589A1 (en) * 1979-03-16 1980-10-01 Daniel Dominic Da Costa A display device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0016589A1 (en) * 1979-03-16 1980-10-01 Daniel Dominic Da Costa A display device

Also Published As

Publication number Publication date
BE672318A (en) 1966-03-16
LU50369A1 (en) 1966-04-01

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