FR3101818A1 - Motor vehicle display device. - Google Patents

Motor vehicle display device. Download PDF

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Publication number
FR3101818A1
FR3101818A1 FR1911241A FR1911241A FR3101818A1 FR 3101818 A1 FR3101818 A1 FR 3101818A1 FR 1911241 A FR1911241 A FR 1911241A FR 1911241 A FR1911241 A FR 1911241A FR 3101818 A1 FR3101818 A1 FR 3101818A1
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FR
France
Prior art keywords
display
display device
source
zone
shutter member
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.)
Granted
Application number
FR1911241A
Other languages
French (fr)
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FR3101818B1 (en
Inventor
Michael De Nicolo
Raphael Drap
Romain Mottier
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PSA Automobiles SA
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PSA Automobiles SA
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Publication date
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Priority to FR1911241A priority Critical patent/FR3101818B1/en
Publication of FR3101818A1 publication Critical patent/FR3101818A1/en
Application granted granted Critical
Publication of FR3101818B1 publication Critical patent/FR3101818B1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • B60K35/20—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor
    • B60K35/21—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor using visual output, e.g. blinking lights or matrix displays
    • B60K35/213—Virtual instruments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • B60K35/20—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor
    • B60K35/21—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor using visual output, e.g. blinking lights or matrix displays
    • B60K35/22—Display screens
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
    • B60K2360/1523—Matrix displays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
    • B60K2360/20—Optical features of instruments
    • B60K2360/23—Optical features of instruments using reflectors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
    • B60K2360/20—Optical features of instruments
    • B60K2360/25—Optical features of instruments using filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
    • B60K2360/20—Optical features of instruments
    • B60K2360/27—Optical features of instruments using semi-transparent optical elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
    • B60K2360/20—Optical features of instruments
    • B60K2360/27—Optical features of instruments using semi-transparent optical elements
    • B60K2360/28—Optical features of instruments using semi-transparent optical elements for instruments which are not visible when inactive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
    • B60K2360/20—Optical features of instruments
    • B60K2360/31—Virtual images
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
    • B60K2360/20—Optical features of instruments
    • B60K2360/33—Illumination features
    • B60K2360/334—Projection means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
    • B60K2360/20—Optical features of instruments
    • B60K2360/33—Illumination features
    • B60K2360/347—Optical elements for superposition of display information
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
    • B60K2360/60—Structural details of dashboards or instruments
    • B60K2360/66—Projection screens or combiners
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
    • B60K2360/60—Structural details of dashboards or instruments
    • B60K2360/68—Features of instruments
    • B60K2360/693—Cover plate features
    • 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
    • G02B2027/0118—Head-up displays characterised by optical features comprising devices for improving the contrast of the display / brillance control visibility
    • G02B2027/012—Head-up displays characterised by optical features comprising devices for improving the contrast of the display / brillance control visibility comprising devices for attenuating parasitic image effects
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/22—Absorbing filters
    • G02B5/223—Absorbing filters containing organic substances, e.g. dyes, inks or pigments

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Instrument Panels (AREA)
  • Details Of Measuring Devices (AREA)

Abstract

Dispositif d’affichage (1) pour véhicule comportant une source d’affichage (2) et un organe d’affichage (4) conçu pour créer un reflet de l’affichage de la source d’affichage (2) et conçu pour autoriser un utilisateur du véhicule à voir au travers de l’organe d’affichage (4), le dispositif d’affichage (1) comportant un organe d’obturation (5) disposé entre la source d’affichage (2) et l’organe d’affichage (4). Le dispositif d’obturation (5) présente une première (8) et une deuxième (9) zones ayant respectivement un premier et deuxième coefficients de transmission de la lumière depuis la source d’affichage (2) vers l’organe d’affichage (4), lesdits coefficients étant différents. (Figure 1) A display device (1) for a vehicle comprising a display source (2) and a display member (4) adapted to create a reflection of the display of the display source (2) and adapted to allow a user of the vehicle to see through the display member (4), the display device (1) comprising a shutter member (5) disposed between the display source (2) and the display member 'display (4). The shutter device (5) has a first (8) and a second (9) areas having respectively a first and second light transmission coefficients from the display source (2) to the display member ( 4), said coefficients being different. (Figure 1)

Description

Dispositif d’affichage pour véhicule automobile.Motor vehicle display device.

Le domaine technique concerne les dispositifs d’affichage pour véhicule automobile.The technical field concerns display devices for motor vehicles.

L’invention concerne également les véhicules équipés de tels dispositifs d’affichage.The invention also relates to vehicles equipped with such display devices.

Dans le domaine des véhicules automobiles, il est d’usage d’afficher des informations à destination d’un utilisateur d’un véhicule automobile, tel que le conducteur. À cette fin, les véhicules modernes comportent de plus en plus fréquemment au moins une dalle numérique, aussi appelée écran, généralement plate et rectangulaire intégrée dans la planche de bord. Afin d’améliorer l’ergonomie du poste de conduite, des systèmes optiques permettent de créer des images virtuelles obtenues par réflexion d’images produites par une telle dalle numérique sur une lame partiellement réfléchissante disposée dans le champ de vision du conducteur. La demande de brevet internationale WO2005018976 décrit un tel dispositif.In the field of motor vehicles, it is customary to display information intended for a user of a motor vehicle, such as the driver. To this end, modern vehicles increasingly include at least one digital panel, also called screen, generally flat and rectangular integrated into the dashboard. In order to improve the ergonomics of the driving position, optical systems make it possible to create virtual images obtained by reflection of images produced by such a digital panel on a partially reflecting plate placed in the driver's field of vision. International patent application WO2005018976 describes such a device.

Afin d’obtenir une visibilité correcte des images virtuelles produites par ces dispositifs, les dalles numériques utilisées, dîtes boostées en luminosité, présentent une luminosité d’écran importante qui engendre des réflexions non désirées sur la lame partiellement réfléchissante. Ainsi, les images virtuelles produites comportent des éléments visuels non désirés, c’est-à-dire ne faisant pas partie de l’information à afficher. Le contour de la dalle numérique, par exemple, peut constituer un élément visuel non désiré.In order to obtain correct visibility of the virtual images produced by these devices, the digital panels used, said to be boosted in brightness, have a high screen brightness which generates unwanted reflections on the partially reflecting blade. Thus, the virtual images produced include unwanted visual elements, i.e. not part of the information to be displayed. The contour of the digital panel, for example, can constitute an unwanted visual element.

L’invention a pour but d’améliorer l’affichage de l’information des systèmes optiques en évitant les réflexions non désirées de lumière.The aim of the invention is to improve the display of information from optical systems by avoiding unwanted reflections of light.

À cet effet, l’invention concerne un dispositif d’affichage pour véhicule comportant une source d’affichage et un organe d’affichage conçu pour créer un reflet de l’affichage de la source d’affichage et conçu pour autoriser un utilisateur du véhicule à voir au travers de l’organe d’affichage, le dispositif d’affichage comportant un organe d’obturation disposé entre la source d’affichage et l’organe d’affichage, caractérisé en ce que l’organe d’obturation présente une première et une deuxième zones ayant respectivement un premier et un deuxième coefficients de transmission de la lumière depuis la source d’affichage vers l’organe d’affichage, lesdits coefficients étant différents.To this end, the invention relates to a display device for a vehicle comprising a display source and a display element designed to create a reflection of the display of the display source and designed to allow a user of the vehicle to see through the display member, the display device comprising a shutter member disposed between the display source and the display member, characterized in that the shutter member has a first and second zones respectively having first and second light transmission coefficients from the display source to the display member, said coefficients being different.

Ainsi, le dispositif d’affichage selon l’invention permet de générer des images virtuelles à la surface de l’organe d’affichage avec une visibilité importante de l’information à afficher, puisque l’organe d’obturation permet de fortement limiter ou d’éliminer les réflexions non désirées grâce à une répartition adaptée à l’information à afficher des premières et deuxièmes zones. L’organe d’obturation permet en effet de laisser passer la lumière contribuant à l’information à afficher au travers de la première zone tout en atténuant ou éliminant, au niveau de la deuxième zone, la lumière parasite qui produirait des réflexions non désirées si elle n’était pas atténuée ou bloquée par la deuxième zone.Thus, the display device according to the invention makes it possible to generate virtual images on the surface of the display member with significant visibility of the information to be displayed, since the shutter member makes it possible to greatly limit or to eliminate the unwanted reflections thanks to a distribution adapted to the information to be displayed of the first and second zones. The shutter member in fact makes it possible to let the light contributing to the information to be displayed pass through the first zone while attenuating or eliminating, at the level of the second zone, the stray light which would produce unwanted reflections if it was not attenuated or blocked by the second zone.

Selon un mode de réalisation, l’organe d’obturation est un écran présentant une première zone transparente et une deuxième zone opaque. Ainsi, un tel organe d’obturation permet d’améliorer le contraste de l’image virtuelle en bloquant la plupart de la lumière parasite responsable des réflexions non désirées.According to one embodiment, the shutter member is a screen having a first transparent zone and a second opaque zone. Thus, such a shutter member makes it possible to improve the contrast of the virtual image by blocking most of the stray light responsible for unwanted reflections.

Avantageusement, la deuxième zone comporte une multitude de points opaques disposés sur le pourtour de la première zone. Un tel dispositif d’obturation permet de façon simple d’améliorer le contraste de la lumière qui traverse la première zone de l’organe d’obturation.Advantageously, the second zone comprises a multitude of opaque dots arranged around the periphery of the first zone. Such a shutter device makes it possible in a simple way to improve the contrast of the light which passes through the first zone of the shutter member.

D’après un mode de réalisation de l’invention, l’organe d’obturation est constitué d’un film conçu pour être collé sur la source d’affichage.According to one embodiment of the invention, the shutter member consists of a film designed to be stuck onto the display source.

Selon un autre mode de réalisation, le dispositif d’affichage comporte une source d’affichage additionnelle disposée de sorte à être visible par l’utilisateur à travers l’organe d’affichage. Un tel dispositif permet de superposer deux images distinctes, chacune porteuse d’informations à afficher et des effets visuels.According to another embodiment, the display device comprises an additional display source arranged so as to be visible to the user through the display member. Such a device makes it possible to superimpose two distinct images, each carrying information to be displayed and visual effects.

Enfin, l’invention concerne également un véhicule automobile comportant un dispositif d’affichage selon l’invention.Finally, the invention also relates to a motor vehicle comprising a display device according to the invention.

L’invention sera mieux comprise à la lecture de la description détaillée qui va suivre, donnée uniquement à titre d’exemple non limitatif et faite en se référant aux dessins annexés sur lesquels :The invention will be better understood on reading the detailed description which follows, given solely by way of non-limiting example and made with reference to the appended drawings in which:

la figure 1, représente une vue schématique en perspective d’un dispositif d’affichage selon la présente invention; FIG. 1 represents a schematic perspective view of a display device according to the present invention;

la figure 2, représente une vue de face d’un organe d’obturation équipant un dispositif d’affichage de l’invention. FIG. 2 represents a front view of a shutter member equipping a display device of the invention.

Dans ces figures, les mêmes références sont utilisées pour désigner les mêmes éléments.In these figures, the same references are used to designate the same elements.

Un dispositif d’affichage 1 selon l’invention, illustré à la figure 1, comporte une source d’affichage 2, constituée d’une dalle numérique plate, dite boostée en luminosité, conçu pour produire des images très lumineuses. La source d’affichage 2 présente une forme sensiblement rectangulaire. Le dispositif d’affichage 1 comporte également une source d’affichage additionnelle 3, constituée d’une dalle numérique plate et rectangulaire. La source d’affichage additionnelle 3 est positionnée de sorte que les plans respectifs des deux dalles numériques forment un angle proche de 90°. Le dispositif d’affichage comporte également un organe d’affichage 4 constitué, par exemple, d’une lame semi-réfléchissante plate. L’organe d’affichage 4 est disposé entre la source d’affichage 2 et la source d’affichage additionnelle 3, de sorte que les plans respectifs de la source d’affichage 2, de la source d’affichage additionnelle 3 et de l’organe d’affichage 4 soient sécants en une seule droite. L’organe d’affichage 4 est conçu pour réfléchir à sa surface au moins une partie de la lumière émise par la source d’affichage 2 et pour laisser traverser au moins une partie de la lumière émise par la source d’affichage additionnelle 3. Le dispositif d’affichage 1 est agencé pour que, lorsqu’il est installé dans un véhicule (non représenté sur les figures), le conducteur du véhicule regarde le dispositif d’affichage 1 suivant une direction proche de la normale au plan de la source d’affichage additionnelle 3. Le plan dans lequel est disposé l’organe d’obturation est choisi de sorte que les images 6 produites par la source d’affichage 2 puissent être au moins en partie réfléchies en direction du conducteur du véhicule. Ainsi le conducteur du véhicule regardant le dispositif d’affichage 1 voit directement l’organe d’affichage 4 et est susceptible de voir les images (non illustrées) produites par la source d’affichage additionnelle 3 au travers de l’organe d’obturation 4 se superposer avec des images virtuelles 7 correspondant aux images 6 produites par la source d’affichage 2 et réfléchies par l’organe d’affichage 4.A display device 1 according to the invention, illustrated in FIG. 1, comprises a display source 2, consisting of a flat digital panel, said to be boosted in brightness, designed to produce very bright images. The display source 2 has a substantially rectangular shape. The display device 1 also comprises an additional display source 3, consisting of a flat and rectangular digital panel. The additional display source 3 is positioned so that the respective planes of the two digital panels form an angle close to 90°. The display device also comprises a display member 4 consisting, for example, of a flat semi-reflecting blade. The display member 4 is arranged between the display source 2 and the additional display source 3, so that the respective planes of the display source 2, of the additional display source 3 and of the display member 4 are secant in a single line. The display member 4 is designed to reflect on its surface at least part of the light emitted by the display source 2 and to let through at least part of the light emitted by the additional display source 3. The display device 1 is arranged so that, when it is installed in a vehicle (not shown in the figures), the driver of the vehicle looks at the display device 1 in a direction close to the normal to the plane of the source additional display 3. The plane in which the shutter member is arranged is chosen so that the images 6 produced by the display source 2 can be at least partly reflected in the direction of the driver of the vehicle. Thus the driver of the vehicle looking at the display device 1 sees the display member 4 directly and is likely to see the images (not shown) produced by the additional display source 3 through the shutter member 4 be superimposed with virtual images 7 corresponding to the images 6 produced by the display source 2 and reflected by the display member 4.

Le dispositif d’affichage 1 selon l’invention comporte également un organe d’obturation 5 disposé entre la source d’affichage 2 et l’organe d’affichage 4. Dans l’exemple illustré sur la figure 1, l’organe d’obturation 5 est un écran plan et affleure la source d’affichage 2. L’organe d’obturation 5 comporte une première zone 8 et une deuxième zone 9 présentant respectivement un premier et un deuxième coefficients de transmission de la lumière qui traverse l’organe d’obturation 5 depuis la source d’affichage 2 vers l’organe d’affichage 4. Sur l’exemple illustré sur les figures 1 et 2, l’organe d’affichage 4 présente une première zone 8 transparente (c’est-à-dire avec un premier coefficient de transmission proche de 1) pour laisser passer la lumière émise par la source d’affichage 2. La deuxième zone 9, illustrée sur la figure 1, entoure la première zone 8 et présente un deuxième coefficient de transmission inférieur au premier coefficient de sortes que la deuxième zone 9 laisse passer au travers de l’organe d’obturation 5 moins de lumière que la première zone 8. La forme de la deuxième zone 9 délimite la première zone 8 qui présente ainsi une forme adaptée au contour des images 6 produites par la source d’affichage 2. Ainsi, la lumière émise par les bords de la dalle numérique constituant la source d’affichage 2 n’est pas transmise ou est fortement atténuée de sorte qu’elle ne se reflète pas ou très peu sur l’organe d’affichage 4.The display device 1 according to the invention also comprises a shutter member 5 placed between the display source 2 and the display member 4. In the example illustrated in FIG. shutter 5 is a flat screen and is flush with the display source 2. The shutter member 5 comprises a first zone 8 and a second zone 9 having respectively a first and a second coefficient of transmission of the light which passes through the member shutter 5 from the display source 2 to the display member 4. In the example illustrated in Figures 1 and 2, the display member 4 has a first transparent area 8 (i.e. that is to say with a first transmission coefficient close to 1) to allow the light emitted by the display source 2 to pass. The second zone 9, illustrated in FIG. 1, surrounds the first zone 8 and has a second transmission coefficient lower than the first coefficient so that the second zone 9 allows less light to pass through the shutter member 5 than the first zone 8. The shape of the second zone 9 delimits the first zone 8 which thus has a suitable shape to the contour of the images 6 produced by the display source 2. Thus, the light emitted by the edges of the digital panel constituting the display source 2 is not transmitted or is strongly attenuated so that it is not reflected not or very little on the display device 4.

Dans un second mode de réalisation, l’organe d’obturation 5, illustré sur la figure 2, est constitué d’un film 10 sérigraphique destiné à être collé sur la source d’affichage 2. Sur l’organe d’obturation 5 de la figure 2, la première zone 8 est transparente et est entourée par la deuxième zone 9. La deuxième zone 9 est constituée d’une multitude de points opaques 10, de diamètres et d’espacements entre les points opaques 10 variables, les points opaques 11 présentant un diamètre croissant et un espacement décroissant depuis le bord de la première zone 8 vers le bord de l’organe d’obturation 5.In a second embodiment, the shutter member 5, illustrated in FIG. 2, consists of a screen printing film 10 intended to be stuck onto the display source 2. On the shutter member 5 of FIG. 2, the first zone 8 is transparent and is surrounded by the second zone 9. The second zone 9 consists of a multitude of opaque dots 10, of varying diameters and spacings between the opaque dots 10, the opaque dots 11 having an increasing diameter and a decreasing spacing from the edge of the first zone 8 towards the edge of the closure member 5.

Dans un mode de réalisation non représenté sur les figures, l’organe d’obturation 5 est constitué d’une part d’un fenêtrage définissant la première zone 8 laissant passer la lumière émise par la source d’affichage 2 et la deuxième zone 9 opaque et d’autre part, accolé au fenêtrage, d’une vitre ou d’une feuille d’un matériau transparent, par exemple en polycarbonate, dont la surface est couverte par un fumage de sorte à diminuer la transparence du matériau ou de la vitre.In an embodiment not shown in the figures, the shutter member 5 consists of a part of a fenestration defining the first zone 8 allowing the light emitted by the display source 2 to pass and the second zone 9 opaque and on the other hand, attached to the fenestration, a pane or a sheet of transparent material, for example polycarbonate, the surface of which is covered with smoke so as to reduce the transparency of the material or the window.

Ainsi, le dispositif d’affichage 1 selon l’invention permet de générer des images virtuelles 7 à la surface de l’organe d’affichage 4 avec une visibilité importante de l’information à afficher, puisque l’organe d’obturation 5 permet de fortement limiter ou d’éliminer les réflexions non désirées grâce à une répartition adaptée à l’information à afficher des premières 8 et deuxièmes 9 zones.Thus, the display device 1 according to the invention makes it possible to generate virtual images 7 on the surface of the display member 4 with high visibility of the information to be displayed, since the shutter member 5 allows to greatly limit or eliminate unwanted reflections thanks to a distribution adapted to the information to be displayed of the first 8 and second 9 zones.

L’invention ne se limite pas au mode de réalisation du dispositif d’affichage décrit ci-avant, seulement à titre d’exemple, mais d’autres modes de réalisation peuvent être conçus par l’homme de métier sans sortir du cadre et de la portée de la présente invention.The invention is not limited to the embodiment of the display device described above, solely by way of example, but other embodiments can be designed by those skilled in the art without departing from the scope and the scope of the present invention.

Claims (6)

Dispositif d’affichage (1) pour véhicule comportant une source d’affichage (2) et un organe d’affichage (4) conçu pour créer un reflet de l’affichage de la source d’affichage (2) et conçu pour autoriser un utilisateur du véhicule à voir au travers de l’organe d’affichage (4), le dispositif d’affichage (1) comportant un organe d’obturation (5) disposé entre la source d’affichage (2) et l’organe d’affichage (4), caractérisé en ce que l’organe d’obturation (5) présente une première (8) et une deuxième (9) zones ayant respectivement un premier et un deuxième coefficients de transmission de la lumière depuis la source d’affichage (2) vers l’organe d’affichage (4), lesdits coefficients étant différents.Display device (1) for a vehicle comprising a display source (2) and a display member (4) designed to create a reflection of the display of the display source (2) and designed to allow a user of the vehicle to see through the display member (4), the display device (1) comprising a shutter member (5) arranged between the display source (2) and the display (4), characterized in that the shutter member (5) has a first (8) and a second (9) zones having respectively a first and a second coefficient of transmission of the light from the source of display (2) to the display member (4), said coefficients being different. Dispositif d’affichage (1) selon la revendication précédente, caractérisé en ce que l’organe d’obturation (5) est un écran présentant une première zone (8) transparente et une deuxième zone (9) opaque.Display device (1) according to the preceding claim, characterized in that the shutter member (5) is a screen having a first transparent zone (8) and a second opaque zone (9). Dispositif d’affichage (1) selon la revendication précédente, caractérisé en ce que la deuxième zone (8) comporte une multitude de points opaques (11) disposés sur le pourtour de la première zone (8).Display device (1) according to the preceding claim, characterized in that the second zone (8) comprises a multitude of opaque dots (11) arranged around the periphery of the first zone (8). Dispositif d’affichage (1) selon l’une des revendications précédentes, caractérisé en ce que l’organe d’obturation (5) est constitué d’un film (10) conçu pour être collé sur la source d’affichage (2).Display device (1) according to one of the preceding claims, characterized in that the shutter member (5) consists of a film (10) designed to be stuck onto the display source (2) . Dispositif d’affichage (1) selon l’une des revendications précédentes, caractérisé en ce qu’il comporte une source d’affichage additionnelle (3) disposée de sorte à être visible par l’utilisateur à travers l’organe d’affichage (4).Display device (1) according to one of the preceding claims, characterized in that it comprises an additional display source (3) arranged so as to be visible to the user through the display member ( 4). Véhicule automobile caractérisé en ce qu’il comporte un dispositif d’affichage (1) selon l’une des revendications précédentes.Motor vehicle characterized in that it comprises a display device (1) according to one of the preceding claims.
FR1911241A 2019-10-10 2019-10-10 Motor vehicle display device. Expired - Fee Related FR3101818B1 (en)

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FR1911241A FR3101818B1 (en) 2019-10-10 2019-10-10 Motor vehicle display device.

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005018976A1 (en) 2003-07-23 2005-03-03 Volkswagen Aktiengesellschaft Display device for a motor vehicle
US20060158740A1 (en) * 2004-12-30 2006-07-20 Volkswagen Ag Display arrangement for a vehicle
WO2009059799A1 (en) * 2007-11-08 2009-05-14 Johnson Controls Gmbh Vehicle indication system having an optical system, having a first indication device and having a second indication device
DE102010055144A1 (en) * 2010-12-18 2012-06-21 Volkswagen Ag Operating device for use in vehicle i.e. motor car, has control device controlling display area and shutter foils, which are formed as coating on display area for varying transparency of shutter foils
DE102017120152A1 (en) * 2017-09-01 2019-03-07 Preh Gmbh Visible part in particular for an operating element in a motor vehicle
US10227007B1 (en) * 2018-04-18 2019-03-12 N.S. International, Ltd. Seamlessly integrated instrument panel display
US20190285878A1 (en) * 2017-01-06 2019-09-19 Shanghai Yanfeng Jinqiao Automotive Trim Systems Co. Ltd. Display assembly component

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005018976A1 (en) 2003-07-23 2005-03-03 Volkswagen Aktiengesellschaft Display device for a motor vehicle
US20060158740A1 (en) * 2004-12-30 2006-07-20 Volkswagen Ag Display arrangement for a vehicle
WO2009059799A1 (en) * 2007-11-08 2009-05-14 Johnson Controls Gmbh Vehicle indication system having an optical system, having a first indication device and having a second indication device
DE102010055144A1 (en) * 2010-12-18 2012-06-21 Volkswagen Ag Operating device for use in vehicle i.e. motor car, has control device controlling display area and shutter foils, which are formed as coating on display area for varying transparency of shutter foils
US20190285878A1 (en) * 2017-01-06 2019-09-19 Shanghai Yanfeng Jinqiao Automotive Trim Systems Co. Ltd. Display assembly component
DE102017120152A1 (en) * 2017-09-01 2019-03-07 Preh Gmbh Visible part in particular for an operating element in a motor vehicle
US10227007B1 (en) * 2018-04-18 2019-03-12 N.S. International, Ltd. Seamlessly integrated instrument panel display

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