FR2210323A5 - - Google Patents

Info

Publication number
FR2210323A5
FR2210323A5 FR7343170A FR7343170A FR2210323A5 FR 2210323 A5 FR2210323 A5 FR 2210323A5 FR 7343170 A FR7343170 A FR 7343170A FR 7343170 A FR7343170 A FR 7343170A FR 2210323 A5 FR2210323 A5 FR 2210323A5
Authority
FR
France
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
FR7343170A
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.)
BOSCHETTO CARLO IT
Original Assignee
BOSCHETTO CARLO IT
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 BOSCHETTO CARLO IT filed Critical BOSCHETTO CARLO IT
Application granted granted Critical
Publication of FR2210323A5 publication Critical patent/FR2210323A5/fr
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
    • G02B6/0055—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
    • G02B6/0075—Arrangements of multiple light guides
    • G02B6/0076—Stacked arrangements of multiple light guides of the same or different cross-sectional area
    • 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
    • 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
    • G02B6/0075—Arrangements of multiple light guides
    • G02B6/0078—Side-by-side arrangements, e.g. for large area displays

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Drawing Aids And Blackboards (AREA)
FR7343170A 1972-12-06 1973-12-04 Expired FR2210323A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT5452372A IT975633B (it) 1972-12-06 1972-12-06 Immagini illuminate intensa mente per aderenza con una lastra trasparente in cui si ottiene la rifessione totale della luce immessa dai bordi

Publications (1)

Publication Number Publication Date
FR2210323A5 true FR2210323A5 (fr) 1974-07-05

Family

ID=11287361

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7343170A Expired FR2210323A5 (fr) 1972-12-06 1973-12-04

Country Status (6)

Country Link
JP (1) JPS4997596A (fr)
CH (1) CH560944A5 (fr)
DE (1) DE2359460A1 (fr)
FR (1) FR2210323A5 (fr)
IT (1) IT975633B (fr)
NL (1) NL7316364A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3096078A1 (fr) * 2015-05-19 2016-11-23 Valeo Japan Co., Ltd. Dispositif d'eclairage

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54119436U (fr) * 1978-02-09 1979-08-21
JPS564496A (en) * 1979-06-26 1981-01-17 Towa Engineering Kk Writing board
DE3018099A1 (de) * 1980-05-12 1981-11-19 Siemens AG, 1000 Berlin und 8000 München Vorrichtung zur mehrfarbigen optischen darstellung von informationen
JPS5751496A (en) * 1980-09-12 1982-03-26 Aoi Kokuban Seisakusho Kk Fluorescent type copying device
DE3223706A1 (de) * 1982-06-25 1983-12-29 Jobo Labortech Leuchtkoerper fuer durchleutungsfaehige bilder, wie filmbetrachter
JPS58101790U (ja) * 1982-10-18 1983-07-11 株式会社青井黒板製作所 螢光式書写装置
US5165187A (en) * 1987-01-30 1992-11-24 Fiber Sense & Signals Inc. Edge illuminated sign panel
DE3825436A1 (de) * 1987-09-11 1989-03-23 Inotec Gmbh Ges Fuer Innovativ Beleuchtete anzeigeeinheit, insbesondere hausnummer, verkehrsschild, werbetraeger
DE29512834U1 (de) * 1995-08-09 1996-12-12 Gez Ges Elekt Zugausruest Beleuchtungseinrichtung
DE19607822A1 (de) * 1996-03-01 1997-09-04 Roehm Gmbh Aus mehreren Teilen zusammengesetztes Lichtleitelement
DE19748810A1 (de) * 1997-11-05 1999-05-12 Udo Vlasak Lichtwerbeeinheit
US7594349B2 (en) * 2007-02-20 2009-09-29 Elliot Rudell Edge animation multiple image display device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4429830Y1 (fr) * 1966-04-25 1969-12-09

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3096078A1 (fr) * 2015-05-19 2016-11-23 Valeo Japan Co., Ltd. Dispositif d'eclairage
US10078175B2 (en) 2015-05-19 2018-09-18 Valeo Japan Co., Ltd. Illuminating device with multiple optical guiding bodies having different luminance distributions

Also Published As

Publication number Publication date
IT975633B (it) 1974-08-10
CH560944A5 (fr) 1975-04-15
DE2359460A1 (de) 1974-06-12
NL7316364A (fr) 1974-06-10
JPS4997596A (fr) 1974-09-14

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Legal Events

Date Code Title Description
ST Notification of lapse
RC Opposition against decision of lapse
DA Annulment of decision of lapse
ST Notification of lapse