FR3136419A1 - Mobile screen device for a motor vehicle, and motor vehicle comprising at least one such screen - Google Patents

Abstract

Mobile screen device for a motor vehicle, comprising a flexible display screen guided between a maximum display position and a reduced display position, said screen forming a fold between a display portion extending in a plane of display and a retraction portion extending in a retraction plane substantially perpendicular to said display plane, and actuation means controlling sliding of said display screen along said display and retraction planes, between said maximum display position and said reduced display position, a passage from said maximum display position to said reduced display position being obtained by an increase in the screen portion located in said retraction plane , and vice versa. Abstract Figure: Figure 10

Description

Mobile screen device for a motor vehicle, and motor vehicle comprising at least one such screen 1. Field of the invention

The field of the invention is that of motor vehicle equipment. More precisely, the invention relates to the implementation of display screens in an optimized and ergonomic manner in such vehicles.

2. Prior art

It has been known for many years to use screens in motor vehicles. In particular, there are display screens mounted on the dashboard, particularly in a central position, to display GPS maps and various other types of information, for example concerning vehicle settings (sound broadcast, air conditioning, etc.). ). Often, these screens look like tablets, placed on the dashboards, whose aesthetic appearance is not perfect, and whose size is relatively small.

Dashboards in the form of a screen are also known, the content of which can be adapted to the driver's needs.

However, these screens are limited in size and are not completely adaptable to user needs.

There is therefore a need for a new approach to the implementation of screens in vehicles, particularly on dashboards, to offer more comfort and adjustments for users, in turn making it possible to develop ergonomics and presentation. original, in terms of design.

3. Summary of the invention

For this purpose, the invention proposes a mobile screen device for a motor vehicle, comprising a flexible display screen guided between a maximum display position and a reduced display position, said screen forming a fold between a portion of display extending in a display plane and a retraction portion extending in a retraction plane substantially perpendicular to said display plane, and actuation means controlling sliding of said display screen along said display and retraction planes, between said maximum display position and said reduced display position, a passage from said maximum display position to said reduced display position being obtained by an increase in the portion of screen located in said retraction plane, and vice versa.

Thus, according to the invention, a flexible screen is implemented which can be moved in particular in height, so as to adapt the height, and in particular the useful height (part on which information is displayed, intended for the driver and/or of the passenger). In the retracted position, the useful part is reduced. In the maximum display position, this useful part is maximum.

The mounting of the screen, extending in two planes, allows simple and effective implementation, adapted to a motor vehicle.

According to a particular implementation, said sliding of said screen simultaneously causes a translational movement of said fold according to said retraction plane, a first end of said screen, in said retraction plane, being fixed.

Thus, the fold is mobile, that is to say it moves in the translation plane, and consequently across the width of the screen. In fact, the end of the screen remaining in the retraction plane can remain fixed. It forms a fixed anchor point in the dashboard, guaranteeing good operation and good reliability of the whole, and in particular of the electrical connections, which are therefore fixed.

In other words, seen from the driver, the screen has a double movement: when it is retracted, its height is reduced at the same time as it moves away (i.e. moves towards the front of the vehicle), and vice versa.

According to a particular aspect, said fold defines an angle slightly less than 90°, for example 85°.

The inventors have in fact determined that, to obtain efficient and reliable operation over time, it is advantageous for this angle to be slightly less than 90°, and not 90° or significantly more open.

According to another particular aspect, it appears interesting that said fold has a radius at least equal to 25 mm.

A radius of 25 mm, in particular, allows good operation.

According to a particular aspect, an upper part of said screen, remaining in said display plane in said reduced display position, comprises a rigid frame surrounding the upper part and the lateral edges of said upper part.

In order to ensure effective guidance, said screen carries, according to a particular embodiment, at least at said fold, on each of its sides, a guide chain.

Several approaches can of course be considered to control the movement of this screen. According to one embodiment, said actuation means comprise an inclined support, secured to a part of said screen, forming for example an angle of the order of 135° with said display plane, and guided in translation along a guide rail.

According to a first approach, said mobile screen device forms part of a dashboard of said vehicle.

According to a second approach, said mobile screen device is deployed from the roof of said vehicle. This can in particular allow passengers in the rear seats to have their own screen, if necessary.

According to a particular aspect, said screen extends over most of the interior width of said vehicle. In particular, when it comes to a dashboard, it can make it possible to benefit from a large display surface, where necessary configurable, for both the driver and the passenger.

According to another particular aspect, the device of the invention cooperates with data processing means, adapting the format and/or content of the data displayed on said screen, as a function of the maximum display position or the position of reduced display of it.

The invention also relates to motor vehicles implementing at least one mobile screen device as described above.

4. List of Figures

The proposed technique, as well as the various advantages it presents, will be more easily understood in the light of the following description of an illustrative and non-limiting embodiment thereof, and the appended drawings including:

: there illustrates an example of implementation of the invention, in the form of a dashboard of a vehicle;

, : Figures 2A and 2B schematically illustrate the display on the screen of the , in maximum display position and in reduced display position;

, , , : Figures 3A to 3D illustrate the screen of the of three quarters, respectively in:

- : a maximum display position;

- : an intermediate display position;

- : a reduced display position;

- : a superposition of all 8 possible display positions;

, : Figures 4A and 4B show the screen of the seen from the front, respectively in maximum display position and in reduced display position;

, : Figures 5A and 5B show the screen of the seen from the side, respectively in maximum display position and in reduced display position;

, : Figures 6A and 6B show the screen of the seen from behind, respectively in maximum display position and in reduced display position;

: there illustrates part of the elements of the device, in exploded form;

: there illustrates part of the drive means of the device, in exploded view;

, : Figures 9A and 9B show the drive means of the , seen from the side, respectively in maximum display position and in reduced display position;

: there illustrates certain characteristic dimensions of the screen of the ;

: there illustrates a variant implementation of the invention, the screen being installed in the roof so as to be visible to the rear passengers;

, : Figures 12A and 12B show the screen of the , seen from three quarters, respectively in maximum display position and in reduced display position.

5. Detailed description of the invention

Subsequently, the same elements were designated by the same references in the different figures.

5.1 application to a dashboard

As mentioned previously, the invention can in particular be implemented to form a dashboard of a vehicle. As illustrated in the example of , the dashboard can be formed from a screen 11, extending over most of the width of the dashboard.

In this example of implementation, the display on this screen is organized into several display zones 111, which are advantageously programmable and configurable, for example using controls present on the steering wheel (12), central amounts (13) or a central portion (14).

According to the invention, the display surface can vary. Consequently, data processing means manage the display: as illustrated in Figures 2A and 2B, the display areas 111 vary in height, and the format and/or content of the data are adapted accordingly.

The screen 11 is, according to the invention, a flexible screen, extending along two planes, a display plane PA and a retraction plane PE, as illustrated in Figures 3A to 3D. The screen therefore has a fold 31, which moves along the width of the screen when it is moved.

In these figures, we illustrate:

- : a maximum display position;

- : an intermediate display position;

- : a reduced display position;

- : a superposition of all possible display positions.

In the illustrated embodiment, 8 positions are proposed. This number can of course vary depending on the implementations.

This therefore makes it possible to vary the display surface 41, as also appears, seen from the front, between the maximum display positions ( ) and reduced ( ).

According to the illustrated implementation, and as appears in particular in the side views of Figures 5A and 5B, the end 51 of the screen remaining in the retraction plane is fixed relative to the vehicle. This end 51 ensures the entire electrical connection of the screen with the processing means delivering the data to be displayed, as well as the electrical power supply. These connections are thus fixed, and not mobile, which ensures good efficiency and reliability of the connections.

We understand that, consequently, the fold of the screen is mobile, or variable, and moves along the retraction plane. This is particularly clearly visible on the .

As illustrated in Figures 6A and 6B, which are rear views, the screen 11 is carried by a support 61, connected to an upper rear portion of the screen, which makes it possible to transmit the movement, as specified later .

The main constituent elements of the device of the invention are illustrated in . This includes the flexible screen 72 itself, covered with a flexible protective glass 71. A frame 73 is attached to the upper part of the screen 72 and its protective glass 71. A seal 74 is placed each side of the screen 72, at the level of the fold, which also carries, on each side, a chain 75, ensuring guidance at the level of this fold.

The upper part of the screen is finally housed in a housing 76, which is secured to the support 61, so that it can be moved. In this embodiment, and as illustrated in the and Figures 9A and 9B, the internal structure 81 of the dashboard notably carries a motor 82 driving a cable 83 connected to a carriage 91 which slides between a high position ( ) corresponding to the maximum display position and a low position ( ) corresponding to the reduced display position. This carriage 91 is here guided at an angle A1 of the order of 45° (for example 43°, ) with the retraction plane, so that its movement causes the fold 31 to move towards the front of the vehicle simultaneously with the passage from the maximum display position to the reduced display position, and vice versa.

This double displacement of fold 31 appears clearly on the , which presents superimposed, seen from the side, the maximum display position PAM and the reduced display position PAR.

As indicated previously, the connection end 51 of the screen 11, located in the retraction plane PE, is fixed. Thus, when we move from the PAM position to the PAR position, the display height reduces (arrow F1), the screen sliding along the fold 31. At the same time, this fold 31 moves towards the front of the vehicle (arrow F2), the part of the screen located in the retraction plane PE increases, over a distance D1 of 68 mm in the example illustrated. This movement is controlled by the sliding of the carriage 91 (arrow F3), here over a distance D2 of 100 mm.

This makes it possible to increase the display portion from H1 = 160 mm to a height H2 = 8 mm.

To ensure efficient and reliable movement of the screen, at the level of the fold 31, the inventors have identified that it is desirable for the angle A2 formed between the retraction plane PE and the display plane PA to be slightly lower at 90°, and is here in particular 85°.

Furthermore, the fold preferably has a radius of at least 25 mm (here exactly 25 mm).

5.2 application to a roof screen

Such a retractable screen can also be implemented as a roof screen, intended in particular for passengers in the rear seats, as illustrated in the .

In this case, the screen 101 is also movable between a maximum display position PAM to a reduced display position PAR. The retraction plane PE extends substantially in the plane of the roof, and the display plane PA forms a slight angle with the vertical, so as to ensure comfortable vision, whatever the position of the seats (arrow F5: rearward position of the seat; arrow F6: closer position of the seat).

This allows rear seat passengers to have a screen 101 deployed for maximum display ( ) or a reduced screen 101 for a reduced display ( ). This screen may offer a duplication of the dashboard screen and/or dedicated displays, selected by passengers.

Claims (12)

Mobile screen device for a motor vehicle, characterized in that it comprises a flexible display screen (11) guided between a maximum display position (PAM) and a reduced display position (PAR), said screen forming a fold (31) between a display portion extending in a display plane (PA) and a retraction portion extending in a retraction plane (PE) substantially perpendicular to said display plane (PA) ,
and actuation means (61) controlling sliding of said display screen along said display and retraction planes, between said maximum display position and said reduced display position, a passage from said position d the maximum display towards said reduced display position being obtained by an increase in the screen portion located in said retraction plane, and vice versa. Mobile screen device according to claim 1, characterized in that said sliding of said screen simultaneously causes a translational movement of said fold according to said retraction plane, a first end of said screen, in said retraction plane, being fixed. Mobile screen device according to any one of claims 1 and 2, characterized in that said fold defines an angle slightly less than 90°, for example 85°. Mobile screen device according to any one of claims 1 to 3, characterized in that said fold has a radius at least equal to 25 mm. Mobile screen device according to any one of claims 1 to 4, characterized in that an upper part of said screen, remaining in said display plane in said reduced display position, comprises a rigid frame surrounding the upper part and the side edges of said upper part. Mobile screen device according to any one of claims 1 to 5, characterized in that said screen carries, at least at said fold, on each of its sides, a guide chain. Mobile screen device according to any one of claims 1 to 6, characterized in that said actuation means comprise an inclined support, secured to a part of said screen, forming an angle of the order of 135° with said plane of display, and guided in translation along a guide rail. Mobile screen device according to any one of claims 1 to 7, characterized in that said screen forms part of a dashboard of said vehicle. Mobile screen device according to claim 1, characterized in that said screen deploys from the roof of said vehicle. Mobile screen device according to claim 8 or 9, characterized in that said screen extends over most of the interior width of said vehicle. Mobile screen device according to any one of claims 1 to 10, characterized in that it cooperates with data processing means, adapting the format and/or content of the data displayed on said screen, as a function of the position maximum display or reduced display position thereof. Motor vehicle using at least one mobile screen device according to any one of claims 1 to 11.