FR2722321B1 - LUMINOUS PANEL, ESPECIALLY USEFUL IN SIGNS - Google Patents

LUMINOUS PANEL, ESPECIALLY USEFUL IN SIGNS

Info

Publication number
FR2722321B1
FR2722321B1 FR9408779A FR9408779A FR2722321B1 FR 2722321 B1 FR2722321 B1 FR 2722321B1 FR 9408779 A FR9408779 A FR 9408779A FR 9408779 A FR9408779 A FR 9408779A FR 2722321 B1 FR2722321 B1 FR 2722321B1
Authority
FR
France
Prior art keywords
signs
especially useful
luminous panel
luminous
panel
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 - Fee Related
Application number
FR9408779A
Other languages
French (fr)
Other versions
FR2722321A1 (en
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.)
LEPERS PIERRE LOUIS
Original Assignee
LEPERS PIERRE LOUIS
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 LEPERS PIERRE LOUIS filed Critical LEPERS PIERRE LOUIS
Priority to FR9408779A priority Critical patent/FR2722321B1/en
Publication of FR2722321A1 publication Critical patent/FR2722321A1/en
Application granted granted Critical
Publication of FR2722321B1 publication Critical patent/FR2722321B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G02B6/0013—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
    • G02B6/0028—Light guide, e.g. taper
    • 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
    • G02B6/0005—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 of the fibre type
    • G02B6/0008—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 of the fibre type the light being emitted at the end of the fibre
    • 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
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0095—Light guides as housings, housing portions, shelves, doors, tiles, windows, 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
    • G02B6/0033—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
    • G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
    • 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
FR9408779A 1994-07-08 1994-07-08 LUMINOUS PANEL, ESPECIALLY USEFUL IN SIGNS Expired - Fee Related FR2722321B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9408779A FR2722321B1 (en) 1994-07-08 1994-07-08 LUMINOUS PANEL, ESPECIALLY USEFUL IN SIGNS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9408779A FR2722321B1 (en) 1994-07-08 1994-07-08 LUMINOUS PANEL, ESPECIALLY USEFUL IN SIGNS

Publications (2)

Publication Number Publication Date
FR2722321A1 FR2722321A1 (en) 1996-01-12
FR2722321B1 true FR2722321B1 (en) 1996-09-20

Family

ID=9465415

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9408779A Expired - Fee Related FR2722321B1 (en) 1994-07-08 1994-07-08 LUMINOUS PANEL, ESPECIALLY USEFUL IN SIGNS

Country Status (1)

Country Link
FR (1) FR2722321B1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19802165A1 (en) * 1998-01-21 1999-07-22 Man Systemelektronik Gmbh Arrangement for evenly illuminating or illuminating an area for displaying information
DE20020208U1 (en) * 2000-11-28 2001-04-12 Langner Olaf table
GB0310373D0 (en) * 2003-05-06 2003-06-11 Signbox Ltd Sign support device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2594081A (en) * 1950-06-30 1952-04-22 Edwin A Neugass Illuminated panel
FR2174380A5 (en) * 1972-03-02 1973-10-12 Ece

Also Published As

Publication number Publication date
FR2722321A1 (en) 1996-01-12

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Legal Events

Date Code Title Description
ST Notification of lapse