FR3077144B1 - DISPLAY DEVICE AND METHOD - Google Patents

DISPLAY DEVICE AND METHOD Download PDF

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Publication number
FR3077144B1
FR3077144B1 FR1850433A FR1850433A FR3077144B1 FR 3077144 B1 FR3077144 B1 FR 3077144B1 FR 1850433 A FR1850433 A FR 1850433A FR 1850433 A FR1850433 A FR 1850433A FR 3077144 B1 FR3077144 B1 FR 3077144B1
Authority
FR
France
Prior art keywords
screen
display device
projected image
image
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
FR1850433A
Other languages
French (fr)
Other versions
FR3077144A1 (en
Inventor
Juliette Peyronnet Dremiere
Guillaume Raffault
Apolline Vitse
Cyril Pannetier
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.)
Inst Doptique
INSTITUT D'OPTIQUE
Original Assignee
Inst Doptique
INSTITUT D'OPTIQUE
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 Inst Doptique, INSTITUT D'OPTIQUE filed Critical Inst Doptique
Priority to FR1850433A priority Critical patent/FR3077144B1/en
Priority to PCT/EP2019/050386 priority patent/WO2019141554A1/en
Publication of FR3077144A1 publication Critical patent/FR3077144A1/en
Application granted granted Critical
Publication of FR3077144B1 publication Critical patent/FR3077144B1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/54—Accessories
    • G03B21/56—Projection screens
    • G03B21/60—Projection screens characterised by the nature of the surface
    • G03B21/62—Translucent screens
    • 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
    • G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
    • 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
    • G02B5/0263—Diffusing elements; Afocal elements characterised by the diffusing properties with positional variation of the diffusing properties, e.g. gradient or patterned diffuser
    • 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
    • G02B27/10—Beam splitting or combining systems
    • G02B27/14—Beam splitting or combining systems operating by reflection only
    • G02B27/147—Beam splitting or combining systems operating by reflection only using averaging effects by spatially variable reflectivity on a microscopic level, e.g. polka dots, chequered or discontinuous patterns, or rapidly moving surfaces
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/54—Accessories
    • G03B21/56—Projection screens
    • G03B21/58—Projection screens collapsible, e.g. foldable; of variable area

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Projection Apparatus (AREA)
  • Overhead Projectors And Projection Screens (AREA)

Abstract

La présente invention concerne un dispositif (101) d'affichage, comprenant un écran (1) et un projecteur (2) agencé pour projeter une image (3) sur l'écran, ledit dispositif étant caractérisé en ce que l'écran comprend une alternance : - de zones de diffusion (4) agencées pour diffuser de la lumière (6) de l'image projetée et - de zones transparentes (5) agencées pour transmettre à travers l'écran de la lumière de l'image projetée.The present invention relates to a display device (101), comprising a screen (1) and a projector (2) arranged to project an image (3) on the screen, said device being characterized in that the screen comprises a alternation: - of diffusion zones (4) arranged to diffuse light (6) of the projected image and - of transparent zones (5) arranged to transmit through the screen light of the projected image.

FR1850433A 2018-01-19 2018-01-19 DISPLAY DEVICE AND METHOD Expired - Fee Related FR3077144B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR1850433A FR3077144B1 (en) 2018-01-19 2018-01-19 DISPLAY DEVICE AND METHOD
PCT/EP2019/050386 WO2019141554A1 (en) 2018-01-19 2019-01-09 Display device and method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1850433 2018-01-19
FR1850433A FR3077144B1 (en) 2018-01-19 2018-01-19 DISPLAY DEVICE AND METHOD

Publications (2)

Publication Number Publication Date
FR3077144A1 FR3077144A1 (en) 2019-07-26
FR3077144B1 true FR3077144B1 (en) 2020-06-19

Family

ID=62067673

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1850433A Expired - Fee Related FR3077144B1 (en) 2018-01-19 2018-01-19 DISPLAY DEVICE AND METHOD

Country Status (2)

Country Link
FR (1) FR3077144B1 (en)
WO (1) WO2019141554A1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006119489A (en) * 2004-10-25 2006-05-11 Kimoto & Co Ltd Reflective screen
EP2511750A1 (en) * 2011-04-15 2012-10-17 Volvo Car Corporation Vehicular information display system
FR2986624B1 (en) * 2012-02-03 2015-02-27 Thales Sa OPTICAL PROJECTOR WITH SEMI-TRANSPARENT PROJECTION SCREEN
CA2812182A1 (en) * 2013-04-10 2014-10-10 J. William Clements Rear projection viewing screen and system

Also Published As

Publication number Publication date
WO2019141554A1 (en) 2019-07-25
FR3077144A1 (en) 2019-07-26

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Year of fee payment: 2

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Effective date: 20190726

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Year of fee payment: 3

ST Notification of lapse

Effective date: 20210905