CN218868467U - Display device and manned vehicle - Google Patents

Abstract

The utility model provides a display device and manned vehicle, this display device includes: the display part comprises a first screen and a second screen, and a first side of the first screen is connected with a first side of the second screen through a bendable connecting part; and the push-pull mechanism is connected with the display part and used for pushing and pulling the display part so that the display part is switched between a first state and a second state, wherein the first state is a state that the display surface of the first screen and the display surface of the second screen are flush and face towards the same side, and the second state is a bent state that an included angle between the display surface of the first screen and the display surface of the second screen is greater than 180 degrees. According to the utility model discloses, can satisfy the demand that two rows of passengers of being sat to watch simultaneously among the manned vehicle.

Description

Display device and manned vehicle

Technical Field

The utility model relates to a show the field, particularly, relate to a display device and manned vehicle.

Background

With the continuous improvement of living standard, the requirements of people on the comfort and entertainment experience in the process of riding the manned vehicle are higher and higher. To meet this demand, more and more passenger vehicles are provided with various display devices in their passenger compartments for entertaining and relaxing passengers.

For example, the front seat headrest integrated screen mode is adopted in the economy class of the traditional passenger plane, but the arranged screen area is small, the passengers in the same row cannot watch the screen together, the technological sense is poor, or the requirement for watching the passengers in two rows simultaneously cannot be met simultaneously. In addition, the suspension type giant screen assembled on the rear row of the vehicle is provided in the prior art, but the size of the suspension type giant screen reaches 31 inches, the size of the suspension type giant screen is too large, the suspension type giant screen occupies a large amount of overhead space, is not beneficial to weight reduction of manned vehicles, and cannot meet the requirement of watching two rows of opposite-seated passengers simultaneously. The prior art also proposes to fix the screen in the passenger cabin of the vehicle on the overhead of every seat to satisfy individual user demand, but its screen angle is fixed, also can't satisfy two rows of demands of watching simultaneously to the sitting passenger.

Accordingly, there is a need for improvements in existing display devices.

It is noted that the information disclosed in the background section above is only for enhancement of understanding of the background of the invention and therefore it may contain information that does not constitute prior art known to a person skilled in the art.

SUMMERY OF THE UTILITY MODEL

In order to solve one or more of the above-mentioned problems that exist among the prior art, the utility model provides a display device and manned vehicle.

The utility model discloses a display device includes: the display part comprises a first screen and a second screen, wherein the first side of the first screen is connected with the first side of the second screen through a bendable connecting part; and a push-pull mechanism connected to the display unit, for pushing and pulling the display unit to translate a second side of the first screen opposite to the first side and/or a second side of the second screen opposite to the first side, and for relatively rotating the first screen and the second screen with the connecting portion as a hinge shaft, so that the display unit is switched between a first state and a second state, wherein the first state is a state in which a display surface of the first screen and a display surface of the second screen are flush with each other and face the same side, and the second state is a bent state in which an included angle between the display surface of the first screen and the display surface of the second screen is greater than 180 degrees.

According to an embodiment of the present invention, the push-pull mechanism can make the second side of the first screen opposite to the first side and/or the second side of the second screen opposite to the first side translate, and the first screen and the second screen rotate relative to each other with the connecting portion as a hinge shaft, so that the display portion is switched between the first state and the second state.

According to the utility model discloses an embodiment, above-mentioned push-and-pull mechanism can include the translational sliding subassembly, above-mentioned translational sliding subassembly includes that guide rail and slidable set up the slider on above-mentioned guide rail, the direction setting of above-mentioned translation is followed to above-mentioned guide rail, above-mentioned slider fixed connection is in the second side of above-mentioned first screen, when above-mentioned slider slides to the other end from the one end of above-mentioned guide rail, the second side of above-mentioned first screen is for the second side translation of above-mentioned second screen, above-mentioned first screen and above-mentioned second screen use above-mentioned connecting portion as the hinge axis relative rotation, make above-mentioned display part change between first state and second state.

According to the utility model discloses an embodiment, above-mentioned push-and-pull mechanism can also include two slide rails that set up along the both sides of above-mentioned guide rail respectively, and above-mentioned slider slidable ground sets up in above-mentioned two slide rails.

According to the utility model discloses an embodiment can be provided with the gliding limit stop of above-mentioned slider of restriction on at least one of above-mentioned two slide rails, when above-mentioned slider slides to above-mentioned limit stop, above-mentioned display part is in above-mentioned second state.

According to the utility model discloses an embodiment, above-mentioned display device can also include V type outrigger portion, and above-mentioned V type outrigger portion connects in above-mentioned display part for keep the angle between the display surface of above-mentioned first screen under the above-mentioned second state and the display surface of above-mentioned second screen.

According to the utility model discloses an embodiment, above-mentioned V type outrigger portion can include piston rod and sleeve, and the one end of above-mentioned piston rod rotationally connects in the back with the display surface opposition of above-mentioned first screen, and the other end of above-mentioned piston rod is provided with the piston, and in above-mentioned sleeve was stretched into to above-mentioned piston, above-mentioned sleeve was fixed in the back with the display surface opposition of above-mentioned second screen.

According to the utility model discloses an embodiment, above-mentioned display part can also include third screen and fourth screen, and one side of above-mentioned third screen rotationally connects in the second side of above-mentioned first screen, and one side of above-mentioned fourth screen rotationally connects in the second side of above-mentioned second screen, and under above-mentioned first state, the display surface of above-mentioned first screen, the display surface of above-mentioned second screen, the display surface of above-mentioned third screen and the display surface orientation of above-mentioned fourth screen are same one side.

The utility model also provides a manned vehicle installs above-mentioned display device at the ceiling in manned vehicle's the passenger compartment.

According to the utility model discloses an embodiment, above-mentioned manned vehicle can be autopilot vehicle or VTOL aircraft.

According to the utility model discloses, can satisfy the demand that two rows of sit-up passengers in the manned vehicle watched simultaneously.

Drawings

The above and other features of the invention will be explained in detail below with reference to certain exemplary embodiments shown in the drawings, which are given below by way of illustration only and thus do not limit the invention, wherein:

fig. 1 is a schematic diagram illustrating a display device according to an embodiment of the present invention in a first state.

Fig. 2 is a schematic diagram illustrating a display device according to an embodiment of the present invention in a second state.

Description of the reference numerals

1. Display device

11. Display unit

111. First screen

111a first side

111b second side

111A display surface

111B back side

112. Second screen

112a first side

112b second side

112A display surface

112B back side

12. Translational sliding assembly

121. Guide rail

122. Sliding block

13. Sliding rail

14 V-shaped stable supporting part

141. Piston rod

142. Sleeve barrel

Detailed Description

The present invention is described in detail below with reference to specific examples so that those skilled in the art can easily implement the present invention based on the disclosure of the present specification. The embodiments described below are only a part of the embodiments of the present invention, and not all of them. All other embodiments obtained by a person skilled in the art on the basis of the embodiments described in the present specification without any inventive step belong to the protection scope of the present invention. It should be noted that the embodiments and features of the embodiments in the present specification may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. In the present specification, "bendable", "rotatable", and "slidable" mean "bendable", "rotatable", and "slidable", respectively.

The utility model discloses a display device makes the display part that is formed by connecting more than two independent screens be the state of flushing or the state of buckling through utilizing push-and-pull mechanism, satisfies two rows of the sit-up passenger in passenger cabin of manned vehicle and uses the entertainments smoothly from this, can not additionally occupy the passenger cabin space when display device does not use simultaneously. Therefore, the display device of the present invention is suitable as a screen solution for an autonomous vehicle and a Vertical Take-Off and Landing aircraft (hereinafter, abbreviated as "VTOL": vertical Take-Off and Landing), especially an Electric Vertical Take-Off and Landing aircraft (hereinafter, abbreviated as "eVTOL": electric Vertical Take-Off and Landing).

Hereinafter, a display device 1 according to an embodiment of the present invention will be described with reference to fig. 1 and 2. Fig. 1 is a schematic view showing a display device 1 according to an embodiment of the present invention in a flush state (hereinafter referred to as a first state); fig. 2 is a schematic diagram showing the display device 1 according to an embodiment of the present invention in a bent state (hereinafter, referred to as a second state).

As shown in fig. 1, the display device 1 of the present invention includes a display portion 11. The display part 11 may be composed of a first screen 111 and a second screen 112. The first screen 111 includes a first side 111a and a second side 111b opposite to the first side 111a, and the second screen 112 includes a first side 112a and a second side 112b opposite to the first side 112 a. In the present invention, a surface of the first screen 111 on which an image is displayed is referred to as a display surface 111A, a surface facing the display surface 111A is referred to as a back surface 111B, a surface of the second screen 112 on which an image is displayed is referred to as a display surface 112A, and a surface facing the display surface 112A is referred to as a back surface 112B. The first side 111a of the first screen 111 is connected to the first side 112a of the second screen 112 by a bendable connecting portion (omitted in the drawings). The structure and material of the connection part are not particularly limited as long as the first screen 111 and the second screen 112 can rotate relative to each other, and the connection part may be a member known in the art, such as a hinge or a flexible connection member.

In addition, the display device 1 of the present invention further includes a push-pull mechanism. The push-pull mechanism is connected to the display unit 11 and is configured to push and pull the display unit 11 to switch the display unit 11 between the first state and the second state. In the first state, the display surface 111A of the first screen 111 and the display surface 112A of the second screen 112 face the same side. In this embodiment, the push-pull mechanism includes a translational slide assembly 12.

Through such setting, can be with the utility model discloses a display device 1 is applied to on-board entertainment equipment screen (output), and it can be formed by the long and thin LCD of polylith or OLED amalgamation. That is, the display device 1 defaults to the virtual skylight mode when the screen does not need to be viewed, the display part 11 is flatly attached to the ceiling of the people-carrying vehicle (i.e., the first state), and when the screen needs to be viewed, the display part 11 is bent from the joint of the independent first screen 111 and the independent second screen 112 to be in a downward and vertical falling state (i.e., the second state), so that the requirement of obtaining the in-flight entertainment information of the bidirectional passenger is met. In the second state when viewed by the bidirectional passenger, the display unit 11 is unfolded to assume a triangular display state, and the structural stability is increased, thereby reducing the influence of the shaking during driving. Note that, the display portion 11 of the present invention may be a one-piece flexible screen that includes the first screen 111 (also referred to as a first portion) and the second screen 112 (also referred to as a second portion), as long as the entire display portion 11 can be flatly attached to the ceiling of the people-carrying vehicle in the first state.

In this manner, first screen 111 and second screen 112 may not obstruct communication between the overhead and two-way passengers when not in use, while also facilitating boarding and disembarking vehicles. When the first screen 111 and the second screen 112 need to be used, the falling direction and displacement variables of the first screen 111 and the second screen 112 can be determined by considering the width of the ceiling, so that the first screen 111 and the second screen 112 can be more flexibly arranged in the passenger cabin.

In addition, in the present invention, the viewing requirements of the two-way passenger can be satisfied simultaneously by using a set of screens (the first screen 111 and the second screen 112). Whether to synchronize the display contents of the first screen 111 and the second screen 112 or to separate the display contents of the first screen 111 and the second screen 112 may also be determined according to the usage requirements of specific passengers. For example, the first screen 111 and the second screen 112 may simultaneously display different pictures for each passenger to independently view their private content.

In addition, as shown in fig. 1 and 2, the display surface 111A of the first screen 111 and the display surface 112A of the second screen 112 of the present embodiment are rectangular, and have an aspect ratio of preferably 40, and by adopting this ratio, it is possible to leave enough space to place information related to flight/ground operation in the middle or both sides, and to help passengers grasp the current automatic driving state. Moreover, for passengers in the back row, the slender screen can simultaneously meet the dual requirements of common viewing and independent viewing, and can be flexibly switched into the two modes. However, the present invention is not limited to this, and the shape and size of the display surface 111A of the first screen 111 and the display surface 112A of the second screen 112 may be appropriately set as needed.

Therefore, the utility model discloses specially adapted autopilot vehicle is at the entertaining equipment in plane under the face-to-face position of sitting condition.

Specifically, as shown in fig. 1, the translationally-sliding assembly 12 of the present embodiment may include a guide rail 121 and a slider 122 slidably disposed on the guide rail 121. The bottom of the slider 122 is fixedly connected to the second side 111b of the first screen 111, and the guide rail 121 is disposed along the translation direction of the second side 111b of the first screen 111 (i.e., the upper horizontal direction in fig. 1).

Although not shown, the slider 122 may be driven by a push motor connected to the guide rail 121 to move from one end of the guide rail 121 to the other end thereof, thereby realizing automatic control. In addition, in this embodiment, only one translational sliding component 12 is fixedly connected to the first screen 111 to control the relative rotation of the first screen 111 and the second screen 112, but the present invention is not limited thereto, and a translational sliding component fixedly connected to the second screen 112 may be additionally provided to achieve the purpose of controlling the rotation angles of the first screen 111 and the second screen 112 respectively. That is, two sets of translational sliding components are connected with respective screens and slide together towards the center.

In addition, although in the present embodiment, the push-pull mechanism includes the translational sliding assembly 12, the present invention is not limited thereto. Any mechanism that can switch the display unit 11 between the first state and the second state may be used in the present invention. Specifically, the push-pull mechanism pushes and pulls the display portion 11 to translate the second side 111b of the first screen 111 and/or the second side 112b of the second screen 112, and accordingly, the first screen 111 and the second screen 112 rotate relative to each other with the connecting portion as a hinge axis, thereby switching the display portion 11 between the first state and the second state. For example, in another embodiment of the present invention, the push-pull mechanism may be two automatic telescopic rods, wherein one automatic telescopic rod is fixed to the back 111B of the first screen 111 and the other end is fixed to the ceiling of the people mover, and one automatic telescopic rod is fixed to the back 112B of the second screen 112 and the other end is fixed to the ceiling of the people mover. The display part 11 is switched between the first state and the second state by controlling the telescopic length of the automatic telescopic rod.

In addition, as shown in fig. 1, the push-pull mechanism of the present invention may preferably further include two sliding rails 13 respectively disposed along two sides of the guide rail 121, and the slider 122 is slidably disposed on the two sliding rails 13. By providing the slide rail 13, the slider 122 can be moved more smoothly, and the overall stability of the display device 1 can be improved. Although not shown, it is preferable that the two slide rails 13 are respectively provided with a stopper for stopping the continuous movement of the slider 122 when the slider slides to a position where the display unit 11 is in the second state, so that the display unit 11 can be stably in the second state, and the passenger can watch the screen without shaking the screen, thereby optimizing the viewing experience. Preferably, the limit stopper is provided with a locking mechanism capable of locking the slider 122, thereby further improving stability.

In addition, the display device 1 preferably further includes a V-shaped stabilizing support portion 14. In the present embodiment, as shown in fig. 1 and 2, the V-shaped stabilizing support 14 may include a piston rod 141 and a sleeve 142, one end of the piston rod 141 is rotatably connected to the back surface 111B of the first screen 111, the other end of the piston rod 141 is provided with a piston (not shown) which extends into the sleeve 142, and the sleeve 142 is fixed to the back surface 112B of the second screen 112. In the present embodiment, the V-shaped stabilizer support 14 may be a pneumatic support rod or a hydraulic support rod known in the art. By providing the V-shaped stabilizer support portion 14, the stability of the display portion 11 in the second state can be further maintained, and the passenger's experience in viewing can be improved. It should be noted that in the present embodiment, two V-shaped stabilizing support portions 14 are provided on both sides of the translational sliding assembly 12, but the number and the setting position of the V-shaped stabilizing support portions 14 are not limited thereto, and may be appropriately set as needed.

In the present invention, the V-shaped stabilizing and supporting portion 14 is not particularly limited as long as it is connected to the display portion 11 and can maintain a predetermined angle between the display surface 111A of the first screen 111 and the display surface 112B of the second screen 112 in the second state. For example, the V-shaped stabilizing support portion 14 may be a protruding portion fixedly provided on the back surface 111B of the first screen 111, and the protruding portion abuts against the back surface 112B of the second screen 112 when the display portion 11 is in the second state. In the present description, the term "V-shape" in the V-shaped stabilizer 14 means that the display portion 11 is in a V-shaped bent state, and the shape of the stabilizer is not limited.

In addition, in the present embodiment, the display portion 11 is constituted by the first screen 111 and the second screen 112. However, the present invention is not limited thereto, and the display portion 11 may further include a third screen and a fourth screen. One side of the third screen may be rotatably coupled to the second side 111b of the first screen 111, and one side of the fourth screen may be rotatably coupled to the second side 112b of the second screen 112. When the display section 11 is in the first state, the display face 111A of the first screen 111, the display face 112A of the second screen 112, the display face of the third screen, and the display face of the fourth screen face the same side. In this manner, in the process of the display section 11 shifting from the first state to the second state, the third screen and the fourth screen only translate with the movement of the slider 122 without participating in the downward movement. That is, the third screen and the fourth screen are always flush against the ceiling of the people mover, thereby enhancing the dynamic decorative effect of the ceiling in the stowed state (i.e., the first state). Note that the screens of the display portion 11 are not limited to two or four, and may be arbitrarily set as needed, and it is preferable to provide two screens to balance functionality and decorativeness in consideration of the sense of unity of the ceiling top. In addition, the third screen may be connected to the slider 122, or may be not connected to the slider 122 and only be translated as the second side 111b of the first screen 111 is translated.

Hereinafter, a process of switching the display unit 11 of the display device 1 of the present invention from the first state to the second state will be specifically described with reference to fig. 1 and 2.

First, as shown in fig. 1, when the slider 122 is at one end of the guide rail 121, the display surface 111A of the first screen 111 and the display surface 112A of the second screen 112 are flush with each other (i.e., the first state). At this time, the display surface 111A of the first screen 111 faces the same side as the display surface 112A of the second screen 112. Then, as shown in fig. 2, when the slider 122 slides from one end of the guide rail 121 to the other end, the second side 111b of the first screen 111 moves along the guide rail 121 toward the second side 112b of the second screen 112 along the horizontal direction in fig. 2 by being connected to the slider 122, the first side 111A of the first screen 111 and the first side 112A of the second screen 112 correspondingly move vertically downward in fig. 2, and the angle between the display surface 111A and the display surface 112A reaches the angle (larger than 180 degrees) required by the passenger (or the angle between the first screen 111 and the vertical direction of the second screen 112 reaches the angle required by the passenger) stops, and the display surface 111A of the first screen 111 and the display surface 112A of the second screen 112 are in a bent state (i.e., a second state) protruding downward. In the second state, the V-shaped stabilizing support portion 14 maintains the screen stability of the display portion 11 in the V-shaped unfolded state, and participates in the stabilization of the help angle, and simultaneously the slider 122 is locked by the slide rail 13 when sliding to the end of the slide rail 13.

At this time, two rows of passengers sitting in the passenger cabin can simultaneously view the display contents of the display surfaces 111A and 112A. The display contents of the display surface 111A and the display surface 112A may be the same or different.

Therefore, the present invention is applicable to an autonomous vehicle, a rail transit, a ship, a VTOL, and the like, but is not limited thereto, and is particularly applicable to an autonomous vehicle and an eVTOL. Especially, the demand that two rows of sit-up passengers can smoothly use the in-flight entertainment under the condition of automatic driving of the eVTOL and do not additionally occupy the space of a passenger cabin when not in use is met.

Thus, the people mover of the invention is preferably an autonomous vehicle or an eVTOL. When the display device 1 of the present invention is applied to a passenger vehicle, it is preferable to mount the display device 1 on a ceiling in a passenger compartment of the passenger vehicle. For better appearance, the push-pull mechanism of the display device 1 is preferably embedded in the cover of the ceiling.

In summary, according to the technical scheme of the utility model, can have following technological effect particularly:

(1) The structure utilizes more than two independent small screens to form a large screen, and the bearing pressure of the mechanism on the whole large screen can be shared, so that the structural arrangement is lighter.

(2) Under the second state when supplying two-way passenger to watch, the screen expandes to be the triangular display state, and to a great extent guarantees structural strength, compares like traditional civil aviation passenger plane's single face shrink screen, and is structurally more firm, is difficult to take place the shake by the influence that the air current or road surface jolted, can not produce too much vibrations in flight or road are gone.

(3) The watching requirements of two-way passengers can be considered, the content playing mode of more than two screens is set to be split screen/combined screen/synchronous in a software control mode, and the user requirements under different scenes are responded.

(4) The retractable screen can be folded lightly in a segmented screen mode, and the overhead space of a passenger cannot be damaged due to large-scale movement.

(5) Through the control of the screen size, the passenger can still go out and directly communicate with the opposite person through the space below the screen without being completely shielded.

(6) When the screen is not used, the screen can be in a first state of flatly pasting the ceiling, can participate in the decorative effect of the ceiling, and brings more experience to passengers.

(7) Do benefit to control screen cost, even adopt the LCD screen, still can satisfy the utility model discloses a requirement. In addition, if the success rate of obtaining the special-shaped screen by cutting the LCD standard screen can reach more than 90 percent, the method is high in the industry.

It will be appreciated that the structures shown in the figures are merely schematic and may include more or fewer modules or components than shown in the figures or have a different configuration than shown in the figures. It is to be noted that, when the present invention is implemented by using embodiments which are not exhaustive in the present specification, a person skilled in the art may adapt the configuration, position or functional arrangement of the relevant components.

It is to be understood that the features listed above for the different embodiments may be combined with each other, where technically feasible, to form further embodiments within the scope of the invention. Furthermore, the specific examples and embodiments described herein are non-limiting, and modifications may be made to the structures, dimensions, materials, set forth above, without departing from the scope of the present invention.

In this application, the use of the term "meaning" is intended to include the term "meaning". The use of definite or indefinite articles is not intended to indicate cardinality. In particular, references to "the" object or to "an" and "an" object are intended to mean one possible of a plurality of such objects. Furthermore, the conjunction "or" may be used to convey simultaneous features, rather than mutually exclusive schemes. In other words, the conjunction "or" should be understood to include "and/or". The term "comprising" is inclusive and has the same scope as "comprising".

The above-described embodiments, particularly any "preferred" embodiments, are possible examples of implementations, and are presented merely for a clear understanding of the principles of the invention. Many variations and modifications may be made to the above-described embodiments without departing substantially from the spirit and principles of the technology described herein. All such modifications are intended to be included within the scope of this disclosure.

All documents mentioned in this specification are herein incorporated by reference as if each were incorporated by reference in its entirety.

Moreover, it should be understood that after reading the above description of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalents also fall within the scope of the present invention.

Claims (10)

1. A display device, characterized in that the display device comprises:

the display part comprises a first screen and a second screen, wherein the first side of the first screen is connected with the first side of the second screen through a bendable connecting part; and

the push-pull mechanism is connected with the display part and used for pushing and pulling the display part so as to enable the display part to be switched between a first state and a second state,

the first state is that the display surface of the first screen and the display surface of the second screen are in a state of being flush towards the same side, and the second state is that an included angle between the display surface of the first screen and the display surface of the second screen is in a bending state larger than 180 degrees.

2. The display device according to claim 1, wherein the push-pull mechanism translates a second side of the first screen opposite to the first side and/or a second side of the second screen opposite to the first side, and the first screen and the second screen relatively rotate with the connecting portion as a hinge axis, so that the display portion is switched between the first state and the second state.

3. The display device according to claim 2, wherein the push-pull mechanism comprises a translational sliding assembly, the translational sliding assembly comprises a guide rail and a slider slidably disposed on the guide rail, the guide rail is disposed along the direction of the translation, the slider is fixedly connected to the second side of the first screen,

when the sliding block slides to the other end from one end of the guide rail, the second side of the first screen translates relative to the second side of the second screen, and the first screen and the second screen rotate relative to each other by taking the connecting part as a hinge shaft, so that the display part is switched between a first state and a second state.

4. The display device according to claim 3, wherein the push-pull mechanism further comprises two slide rails respectively disposed along both sides of the guide rail, and the slider is slidably disposed on the two slide rails.

5. The display device according to claim 4, wherein a limit stopper for limiting sliding of the slider is provided on at least one of the two slide rails, and when the slider slides to the limit stopper, the display portion is in the second state.

6. The display device according to claim 1, further comprising a V-shaped stabilizing support portion connected to the display portion for maintaining an angle between the display surface of the first screen and the display surface of the second screen in the second state.

7. The display device according to claim 6, wherein the V-shaped stabilizing support portion comprises a piston rod and a sleeve, one end of the piston rod is rotatably connected to the back surface of the first screen opposite to the display surface, the other end of the piston rod is provided with a piston, the piston extends into the sleeve, and the sleeve is fixed to the back surface of the second screen opposite to the display surface.

8. The display device according to any one of claims 2 to 7, wherein the display portion further comprises a third screen having one side rotatably connected to the second side of the first screen and a fourth screen having one side rotatably connected to the second side of the second screen,

in the first state, the display surface of the first screen, the display surface of the second screen, the display surface of the third screen, and the display surface of the fourth screen face the same side.

9. A people mover, characterized in that a display device according to any one of claims 1-8 is mounted in a ceiling in a passenger compartment of the people mover.

10. The people vehicle according to claim 9, characterized in that the people vehicle is an autonomous vehicle or a vertical take-off and landing aircraft.

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