FR3044107B1 - HEAD-UP DISPLAY EQUIPPED WITH A WAVE GUIDE - Google Patents

HEAD-UP DISPLAY EQUIPPED WITH A WAVE GUIDE Download PDF

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Publication number
FR3044107B1
FR3044107B1 FR1561253A FR1561253A FR3044107B1 FR 3044107 B1 FR3044107 B1 FR 3044107B1 FR 1561253 A FR1561253 A FR 1561253A FR 1561253 A FR1561253 A FR 1561253A FR 3044107 B1 FR3044107 B1 FR 3044107B1
Authority
FR
France
Prior art keywords
head
wave guide
display equipped
display
pattern
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.)
Active
Application number
FR1561253A
Other languages
French (fr)
Other versions
FR3044107A1 (en
Inventor
Pierre Mermillod
Francois Grandclerc
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.)
Valeo Comfort and Driving Assistance SAS
Original Assignee
Valeo Comfort and Driving Assistance 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 Valeo Comfort and Driving Assistance SAS filed Critical Valeo Comfort and Driving Assistance SAS
Priority to FR1561253A priority Critical patent/FR3044107B1/en
Publication of FR3044107A1 publication Critical patent/FR3044107A1/en
Application granted granted Critical
Publication of FR3044107B1 publication Critical patent/FR3044107B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1842—Gratings for image generation
    • 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
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B2027/0141—Head-up displays characterised by optical features characterised by the informative content of the display
    • 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
    • G02B27/01—Head-up displays
    • G02B27/0149—Head-up displays characterised by mechanical features
    • G02B2027/0167—Emergency system, e.g. to prevent injuries
    • 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

Abstract

L'invention concerne un afficheur tête-haute pour véhicule automobile, comprenant un dispositif de génération d'images et un combineur (20) disposé de manière à recevoir le faisceau lumineux émis par le dispositif de génération d'images et à projeter les images générées dans le champ de vision du conducteur du véhicule automobile. Selon l'invention, l'afficheur comporte un guide d'onde dans lequel est prévu un motif (22) et au moins une source de lumière (30) adaptée à éclairer le motif.The invention relates to a head-up display for a motor vehicle, comprising an image generation device and a combiner (20) arranged to receive the light beam emitted by the image generation device and to project the generated images. in the field of vision of the driver of the motor vehicle. According to the invention, the display comprises a waveguide in which is provided a pattern (22) and at least one light source (30) adapted to illuminate the pattern.

FR1561253A 2015-11-23 2015-11-23 HEAD-UP DISPLAY EQUIPPED WITH A WAVE GUIDE Active FR3044107B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1561253A FR3044107B1 (en) 2015-11-23 2015-11-23 HEAD-UP DISPLAY EQUIPPED WITH A WAVE GUIDE

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1561253A FR3044107B1 (en) 2015-11-23 2015-11-23 HEAD-UP DISPLAY EQUIPPED WITH A WAVE GUIDE
FR1561253 2015-11-23

Publications (2)

Publication Number Publication Date
FR3044107A1 FR3044107A1 (en) 2017-05-26
FR3044107B1 true FR3044107B1 (en) 2018-09-21

Family

ID=55971070

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1561253A Active FR3044107B1 (en) 2015-11-23 2015-11-23 HEAD-UP DISPLAY EQUIPPED WITH A WAVE GUIDE

Country Status (1)

Country Link
FR (1) FR3044107B1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4211728A1 (en) * 1992-04-08 1993-10-14 Zeiss Carl Fa Holographic display device e.g. for vehicle or aircraft head=up display - uses curved windscreen incorporating monomode waveguide for supplied light and holographic gratings
FR2954923B1 (en) * 2010-01-06 2012-05-04 Delphi Tech Inc DIFFRACTIVE SIGNALING DEVICE FOR MIRROR WITH 2D / 3D DISPLAY
FR3000572B1 (en) * 2012-12-28 2016-04-29 Valeo Etudes Electroniques IMAGE TRANSMISSION DEVICE FOR DISPLAY AND HIGH TEAM DISPLAY EQUIPPED WITH SAID DEVICE

Also Published As

Publication number Publication date
FR3044107A1 (en) 2017-05-26

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