IT7920181A0 - Dispositivo a pannelli luminosi. - Google Patents

Dispositivo a pannelli luminosi.

Info

Publication number
IT7920181A0
IT7920181A0 IT7920181A IT2018179A IT7920181A0 IT 7920181 A0 IT7920181 A0 IT 7920181A0 IT 7920181 A IT7920181 A IT 7920181A IT 2018179 A IT2018179 A IT 2018179A IT 7920181 A0 IT7920181 A0 IT 7920181A0
Authority
IT
Italy
Prior art keywords
panel device
light panel
light
panel
Prior art date
Application number
IT7920181A
Other languages
English (en)
Other versions
IT1110243B (it
Original Assignee
Absil Jean
Namur Belgio
Spiralux Neon
Herstal Belgio
Guillaume Robert Ets
S R L
Beaufays Belgio
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
Priority claimed from BE185263A external-priority patent/BE864070A/fr
Application filed by Absil Jean, Namur Belgio, Spiralux Neon, Herstal Belgio, Guillaume Robert Ets, S R L, Beaufays Belgio filed Critical Absil Jean
Publication of IT7920181A0 publication Critical patent/IT7920181A0/it
Application granted granted Critical
Publication of IT1110243B publication Critical patent/IT1110243B/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
    • G02B6/0013—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
    • G02B6/0058—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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Road Signs Or Road Markings (AREA)
IT20181/79A 1978-02-17 1979-02-14 Dispositivo a pannelli luminosi IT1110243B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE185263A BE864070A (fr) 1978-02-17 1978-02-17 Dispositif de panneaux lumineux

Publications (2)

Publication Number Publication Date
IT7920181A0 true IT7920181A0 (it) 1979-02-14
IT1110243B IT1110243B (it) 1985-12-23

Family

ID=3843097

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20181/79A IT1110243B (it) 1978-02-17 1979-02-14 Dispositivo a pannelli luminosi

Country Status (3)

Country Link
CH (1) CH629907A5 (it)
GB (1) GB2016193B (it)
IT (1) IT1110243B (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4460940A (en) * 1981-11-07 1984-07-17 Kei Mori Apparatus for uniform illumination employing light diffuser
DE3302157C2 (de) * 1983-01-22 1987-05-14 Borg Instruments GmbH, 7537 Remchingen Beleuchtungseinrichtung für eine reflexiv betriebene passive Anzeige
GB8302772D0 (en) * 1983-02-01 1983-03-02 Pilkington Perkin Elmer Ltd Transparent articles
GB2134688B (en) * 1983-02-01 1986-08-28 Pilkington Perkin Elmer Ltd Assembling transparent articles, eg solar cell covers, by use of markings
ES2013204A6 (es) * 1989-06-28 1990-04-16 Rotulos Roura Sa Rotulo luminoso.
GB2263983B (en) * 1992-02-07 1995-11-01 Arragon Studios Ltd Means for producing lighting effects
BE1005657A6 (fr) * 1992-10-15 1993-12-07 Connolly Thomas Joseph Enseigne.
ES2147130B1 (es) * 1998-06-30 2001-03-01 Cristescu Maria Sa Sistema para generar iconografias iluminadas sobre grabaciones realizadas en materiales conductores de luz.

Also Published As

Publication number Publication date
GB2016193B (en) 1982-08-04
CH629907A5 (fr) 1982-05-14
IT1110243B (it) 1985-12-23
GB2016193A (en) 1979-09-19

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Legal Events

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

Effective date: 19970129