FR1450285A - Poster device - Google Patents

Poster device

Info

Publication number
FR1450285A
FR1450285A FR35393A FR35393A FR1450285A FR 1450285 A FR1450285 A FR 1450285A FR 35393 A FR35393 A FR 35393A FR 35393 A FR35393 A FR 35393A FR 1450285 A FR1450285 A FR 1450285A
Authority
FR
France
Prior art keywords
poster device
poster
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
FR35393A
Other languages
French (fr)
Inventor
David Horace Young
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 filed Critical
Priority to FR35393A priority Critical patent/FR1450285A/en
Application granted granted Critical
Publication of FR1450285A publication Critical patent/FR1450285A/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
    • G02B6/0013—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
    • G02B6/0031—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
    • G02B6/0066—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
    • 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
    • G02B6/0086—Positioning aspects
    • G02B6/0091—Positioning aspects of the light source relative to 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
    • G09F13/18—Edge-illuminated signs
    • G09F2013/1804—Achieving homogeneous illumination
    • G09F2013/1831—Achieving homogeneous illumination using more than one light source

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR35393A 1965-10-19 1965-10-19 Poster device Expired FR1450285A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR35393A FR1450285A (en) 1965-10-19 1965-10-19 Poster device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR35393A FR1450285A (en) 1965-10-19 1965-10-19 Poster device

Publications (1)

Publication Number Publication Date
FR1450285A true FR1450285A (en) 1966-05-06

Family

ID=8590722

Family Applications (1)

Application Number Title Priority Date Filing Date
FR35393A Expired FR1450285A (en) 1965-10-19 1965-10-19 Poster device

Country Status (1)

Country Link
FR (1) FR1450285A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2492602A1 (en) * 1980-10-17 1982-04-23 Bosch Siemens Hausgeraete ELECTRICALLY EQUIPMENT WITH DISPLAY PANEL AND LIGHT CONTROL
WO1999051914A1 (en) * 1998-04-08 1999-10-14 Teledyne Lighting And Display Products, Inc. Illumination device for non-emissive displays
WO2001044715A1 (en) * 1999-12-17 2001-06-21 Koninklijke Philips Electronics N.V. Backlight for lcd's

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2492602A1 (en) * 1980-10-17 1982-04-23 Bosch Siemens Hausgeraete ELECTRICALLY EQUIPMENT WITH DISPLAY PANEL AND LIGHT CONTROL
WO1999051914A1 (en) * 1998-04-08 1999-10-14 Teledyne Lighting And Display Products, Inc. Illumination device for non-emissive displays
US6134092A (en) * 1998-04-08 2000-10-17 Teledyne Lighting And Display Products, Inc. Illumination device for non-emissive displays
WO2001044715A1 (en) * 1999-12-17 2001-06-21 Koninklijke Philips Electronics N.V. Backlight for lcd's
US7025488B2 (en) 1999-12-17 2006-04-11 Koninklijke Philips Electronics N.V. Backlight for LCD's

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