IT1246065B - Segnalatore luminoso multicolore - Google Patents

Segnalatore luminoso multicolore

Info

Publication number
IT1246065B
IT1246065B ITTO910310A ITTO910310A IT1246065B IT 1246065 B IT1246065 B IT 1246065B IT TO910310 A ITTO910310 A IT TO910310A IT TO910310 A ITTO910310 A IT TO910310A IT 1246065 B IT1246065 B IT 1246065B
Authority
IT
Italy
Prior art keywords
light guide
light
illuminating elements
multicolored light
elements
Prior art date
Application number
ITTO910310A
Other languages
English (en)
Inventor
Bartolomeo Pairetti
Pietro Caruso
Original Assignee
Veglia Borletti Srl
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 Veglia Borletti Srl filed Critical Veglia Borletti Srl
Priority to ITTO910310A priority Critical patent/IT1246065B/it
Publication of ITTO910310A0 publication Critical patent/ITTO910310A0/it
Priority to EP19920106003 priority patent/EP0510421A3/en
Priority to PL29433492A priority patent/PL294334A1/xx
Publication of ITTO910310A1 publication Critical patent/ITTO910310A1/it
Application granted granted Critical
Publication of IT1246065B publication Critical patent/IT1246065B/it

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
    • G02B6/0066—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 characterised by the light source being coupled to the light guide
    • G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/3406—Control of illumination source
    • G09G3/3413—Details of control of colour illumination sources
    • 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
    • G02B6/0026—Wavelength selective element, sheet or layer, e.g. filter or grating
    • 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
    • G02B6/0051—Diffusing 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
    • G02B6/0066—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 characterised by the light source being coupled to the light guide
    • G02B6/007—Incandescent lamp or gas discharge lamp
    • G02B6/0071—Incandescent lamp or gas discharge lamp with elongated shape, e.g. tube
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0613—The adjustment depending on the type of the information to be displayed
    • G09G2320/062—Adjustment of illumination source parameters

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Planar Illumination Modules (AREA)

Abstract

Segnalatore luminoso multicolore, in cui sono presenti una guida di luce (2) costituita essenzialmente da un blocchetto di materiale trasparente eventualmente sottoposto a trattamenti superficiali di vario genere, un elemento diffusore (3) disposto sostanzialmente adiacente ad una superficie inferiore della guida di luce (2), almeno due elementi illuminatori (4',5') disposti in prossimità di rispettive porzioni laterali della guida di luce (2), atti ad emettere radiazioni luminose di rispettivi differenti colori, dei dispositivi riflettori (8) disposti adiacenti agli elementi illuminatori (4', 5'), atti e dirigere le radiazioni luminose verso la guida di luce stessa (2), ed un circuito di pilotaggio (9), in grado di determinare l'accensione dell'uno e/o dell'altro degli elementi illuminatori (4', 5'). Figura 1
ITTO910310A 1991-04-24 1991-04-24 Segnalatore luminoso multicolore IT1246065B (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
ITTO910310A IT1246065B (it) 1991-04-24 1991-04-24 Segnalatore luminoso multicolore
EP19920106003 EP0510421A3 (en) 1991-04-24 1992-04-07 Multi-coloured light indicator
PL29433492A PL294334A1 (en) 1991-04-24 1992-04-24 Multuicolour luminous display

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITTO910310A IT1246065B (it) 1991-04-24 1991-04-24 Segnalatore luminoso multicolore

Publications (3)

Publication Number Publication Date
ITTO910310A0 ITTO910310A0 (it) 1991-04-24
ITTO910310A1 ITTO910310A1 (it) 1992-10-24
IT1246065B true IT1246065B (it) 1994-11-07

Family

ID=11409292

Family Applications (1)

Application Number Title Priority Date Filing Date
ITTO910310A IT1246065B (it) 1991-04-24 1991-04-24 Segnalatore luminoso multicolore

Country Status (3)

Country Link
EP (1) EP0510421A3 (it)
IT (1) IT1246065B (it)
PL (1) PL294334A1 (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5796450A (en) * 1994-12-16 1998-08-18 Canon Kabushiki Kaisha Illumination device and liquid crystal display apparatus including same
DE10021100A1 (de) * 2000-05-02 2001-11-15 Bosch Gmbh Robert Beleuchtungsvorrichtung und Verfahren zur Beleuchtung
TW573428B (en) * 2001-03-15 2004-01-21 Canon Kk Image reading apparatus and illumination apparatus
FR2838179B1 (fr) * 2002-04-05 2004-12-24 Phlox Appareil de retroeclairage
DE10252630A1 (de) * 2002-11-11 2004-05-19 Preh-Werke Gmbh & Co. Kg Hinterleuchtbares Display
FR2939208B1 (fr) * 2008-12-03 2012-12-28 Faurecia Interieur Ind Dispositif d'affichage d'un parametre a l'interieur d'un vehicule automobile.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3323524A1 (de) * 1983-06-30 1985-01-10 Blaupunkt-Werke Gmbh, 3200 Hildesheim Autoempfaenger
JPS6329728A (ja) * 1986-07-24 1988-02-08 Alps Electric Co Ltd 液晶表示装置
GB2196100B (en) * 1986-10-01 1990-07-04 Mitsubishi Rayon Co Light diffusing device
JPS63309918A (ja) * 1988-04-25 1988-12-19 Tatsuji Mizobe バックライト装置
JPH0365982A (ja) * 1989-08-03 1991-03-20 Pioneer Electron Corp 表示装置における表示板照明装置

Also Published As

Publication number Publication date
PL294334A1 (en) 1993-03-08
EP0510421A2 (en) 1992-10-28
ITTO910310A0 (it) 1991-04-24
EP0510421A3 (en) 1993-05-12
ITTO910310A1 (it) 1992-10-24

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19990429