FR2678758B1 - Caisson lumineux a eclairage lateral et film diffusant. - Google Patents

Caisson lumineux a eclairage lateral et film diffusant.

Info

Publication number
FR2678758B1
FR2678758B1 FR9108213A FR9108213A FR2678758B1 FR 2678758 B1 FR2678758 B1 FR 2678758B1 FR 9108213 A FR9108213 A FR 9108213A FR 9108213 A FR9108213 A FR 9108213A FR 2678758 B1 FR2678758 B1 FR 2678758B1
Authority
FR
France
Prior art keywords
light box
diffusing film
side lighting
lighting light
diffusing
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
FR9108213A
Other languages
English (en)
Other versions
FR2678758A1 (fr
Inventor
Francis Arlot
Alain Albouy
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.)
AUPEM
Original Assignee
AUPEM
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 AUPEM filed Critical AUPEM
Priority to FR9108213A priority Critical patent/FR2678758B1/fr
Publication of FR2678758A1 publication Critical patent/FR2678758A1/fr
Application granted granted Critical
Publication of FR2678758B1 publication Critical patent/FR2678758B1/fr
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
    • G02B6/003—Lens or lenticular sheet or layer

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
FR9108213A 1991-07-02 1991-07-02 Caisson lumineux a eclairage lateral et film diffusant. Expired - Fee Related FR2678758B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9108213A FR2678758B1 (fr) 1991-07-02 1991-07-02 Caisson lumineux a eclairage lateral et film diffusant.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9108213A FR2678758B1 (fr) 1991-07-02 1991-07-02 Caisson lumineux a eclairage lateral et film diffusant.

Publications (2)

Publication Number Publication Date
FR2678758A1 FR2678758A1 (fr) 1993-01-08
FR2678758B1 true FR2678758B1 (fr) 1993-10-22

Family

ID=9414579

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9108213A Expired - Fee Related FR2678758B1 (fr) 1991-07-02 1991-07-02 Caisson lumineux a eclairage lateral et film diffusant.

Country Status (1)

Country Link
FR (1) FR2678758B1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19753626A1 (de) * 1997-12-03 1999-06-17 Der Gruene Punkt Duales Syst Anzeigetafel für Werbezwecke
DE19841888A1 (de) * 1998-09-11 2000-03-16 Gerhard Karl Leuchtkörper
JP2001117516A (ja) * 1999-10-15 2001-04-27 Ichiyosha:Kk 面発光ディスプレーパネル
EP1236009A2 (fr) 1999-11-30 2002-09-04 Reflexite Corporation Systeme luminaire
GB2454254B (en) * 2007-11-02 2012-12-05 Jeffrey Darrel Beale A light box for back-lighting a product
CN109272890B (zh) * 2018-11-16 2020-11-03 宿州青果知识产权服务有限公司 一种广告灯箱

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4874228A (en) * 1987-03-24 1989-10-17 Minnesota Mining And Manufacturing Company Back-lit display
EP0375293A3 (fr) * 1988-12-15 1991-01-02 Tama Denki Kogyo Kabushiki Kaisha Dispositif d'éclairage par l'arrière pour écran
DE3907805A1 (de) * 1989-03-10 1990-09-13 Karl Gerhard Leuchtpult
US5034864A (en) * 1989-04-25 1991-07-23 Mitsubishi Rayon Co., Ltd. Planar light-source device and illumination apparatus using the same

Also Published As

Publication number Publication date
FR2678758A1 (fr) 1993-01-08

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Legal Events

Date Code Title Description
ST Notification of lapse