FR2677136B1 - Diffuseur de lumiere et son procede de fabrication. - Google Patents

Diffuseur de lumiere et son procede de fabrication.

Info

Publication number
FR2677136B1
FR2677136B1 FR9106508A FR9106508A FR2677136B1 FR 2677136 B1 FR2677136 B1 FR 2677136B1 FR 9106508 A FR9106508 A FR 9106508A FR 9106508 A FR9106508 A FR 9106508A FR 2677136 B1 FR2677136 B1 FR 2677136B1
Authority
FR
France
Prior art keywords
manufacturing
light diffuser
diffuser
light
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
FR9106508A
Other languages
English (en)
Other versions
FR2677136A1 (fr
Inventor
Serge Ediar
Gerard Le Paih
Jean-Blaise Migozzi
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.)
Thales Avionics SAS
Original Assignee
Thales Avionics SAS
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 Thales Avionics SAS filed Critical Thales Avionics SAS
Priority to FR9106508A priority Critical patent/FR2677136B1/fr
Publication of FR2677136A1 publication Critical patent/FR2677136A1/fr
Application granted granted Critical
Publication of FR2677136B1 publication Critical patent/FR2677136B1/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
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/0252—Diffusing elements; Afocal elements characterised by the diffusing properties using holographic or diffractive means
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/48—Laser speckle optics
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0268—Diffusing elements; Afocal elements characterized by the fabrication or manufacturing method
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0273—Diffusing elements; Afocal elements characterized by the use
    • G02B5/0278—Diffusing elements; Afocal elements characterized by the use used in transmission

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Optical Elements Other Than Lenses (AREA)
FR9106508A 1991-05-30 1991-05-30 Diffuseur de lumiere et son procede de fabrication. Expired - Fee Related FR2677136B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9106508A FR2677136B1 (fr) 1991-05-30 1991-05-30 Diffuseur de lumiere et son procede de fabrication.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9106508A FR2677136B1 (fr) 1991-05-30 1991-05-30 Diffuseur de lumiere et son procede de fabrication.

Publications (2)

Publication Number Publication Date
FR2677136A1 FR2677136A1 (fr) 1992-12-04
FR2677136B1 true FR2677136B1 (fr) 1994-07-08

Family

ID=9413274

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9106508A Expired - Fee Related FR2677136B1 (fr) 1991-05-30 1991-05-30 Diffuseur de lumiere et son procede de fabrication.

Country Status (1)

Country Link
FR (1) FR2677136B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5471327A (en) * 1993-05-14 1995-11-28 Kaiser Optical Systems, Inc. Holographic diffuser for back-lit display
DE102015220123A1 (de) * 2015-10-15 2017-04-20 Bundesdruckerei Gmbh Masterhologramm und Verfahren sowie Vorrichtung zum Herstellen eines Masterhologramms für ein Kontaktkopierverfahren

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59131902A (ja) * 1983-10-21 1984-07-28 Canon Inc スペツクル拡散板作成方法
JPH0228845B2 (ja) * 1987-06-19 1990-06-26 Canon Kk Supetsukurukakusanbansakuseisochi

Also Published As

Publication number Publication date
FR2677136A1 (fr) 1992-12-04

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20080131