CN115524862A - Naked eye 3D display device and vehicle - Google Patents

Abstract

The invention discloses a naked eye 3D display device and a vehicle, wherein the device comprises: the semi-transparent semi-reflective film is positioned on an instrument screen of the vehicle and is separated from the instrument screen by a first preset distance; and the projection light machine is used for projecting preset vehicle information on the semi-transparent semi-reflective film. From this, this bore hole 3D display device through set up first distance of predetermineeing between semi-transparent semi-reflecting membrane and instrument screen, will predetermine vehicle information projection by the projection ray apparatus on semi-transparent semi-reflecting membrane to realized real bore hole 3D display effect and need not to distinguish left and right eye parallax, solved dizzy sense and the narrow problem of visual angle.

Description

Naked eye 3D display device and vehicle

Technical Field

The invention relates to the technical field of automobiles, in particular to a naked eye 3D display device and a vehicle.

Background

In the related art, the vehicle-mounted naked eye 3D technology is mainly of a grating type, wherein a fixed grating type forms an optical barrier by a BM (Black Matrix) grating to control the light traveling direction, so that one eye of a viewer can only see odd-numbered pictures of the liquid crystal panel, the other eye of the viewer can only see even-numbered pictures of the liquid crystal panel, and a 3D effect can be generated after brain fusion; the movable grating type optical barrier is characterized in that a material for forming the optical barrier is changed into transparent ITO (Indium Tin Oxide), the black color is realized at the position by electrifying the staggered position, the grating effect is realized, the light advancing direction is controlled, the left eye and the right eye can receive different influences, the brain can generate a 3D effect after fusion, the eyeball position is tracked by adding a camera, the opening of the ITO grating at different positions is controlled by an algorithm, and the wide-view naked eye 3D is realized.

Although the grating process is mature, the following problems exist:

1) The visual angle is narrow, and the optimal grating visual angle is within +/-20 degrees generally;

2) The visual sense is vertigo, and the grating type is a parallax barrier type, so that the 3D effect is achieved by dividing the image into a left eye and a right eye, the brain can generate illusion, and visual fatigue is caused by frequent focusing, and a viewer can generate vertigo.

Disclosure of Invention

The present invention is directed to solving, at least in part, one of the technical problems in the related art. Therefore, a first object of the present invention is to provide a naked eye 3D display device, which solves the problems of the vertigo feeling and the narrow viewing angle.

A second object of the invention is to propose a vehicle.

In order to achieve the above object, a first embodiment of the present invention provides a naked-eye 3D display device, which includes: the semi-transparent semi-reflective film is positioned on an instrument screen of a vehicle, and a first preset distance is formed between the semi-transparent semi-reflective film and the instrument screen; and the projection light machine is used for projecting preset vehicle information on the semi-transparent semi-reflective film.

The naked eye 3D display device according to the embodiment of the invention comprises: the semi-transparent semi-reflective film is positioned on an instrument screen of the vehicle and is separated from the instrument screen by a first preset distance; and the projection light machine is used for projecting preset vehicle information on the semi-transparent semi-reflective film. From this, this bore hole 3D display device through set up first distance of predetermineeing between semi-transparent semi-reflection membrane and instrument screen, will predetermine vehicle information projection by the projection ray apparatus on semi-transparent semi-reflection membrane to realized real bore hole 3D display effect and need not to distinguish left and right eye parallax, solved dizzy sense and the narrow problem of visual angle.

In addition, the naked-eye 3D display device proposed by the above embodiment of the present invention may further have the following additional technical features:

in an embodiment of the invention, the semi-transparent and semi-reflective film is attached to the instrument panel through an optical adhesive, and the thickness of the optical adhesive between the semi-transparent and semi-reflective film and the instrument panel is the first preset distance.

In one embodiment of the present invention, the first predetermined distance is 3 to 10mm.

In one embodiment of the invention, the projector engine is located on an oblique upper side of a main seat back of the vehicle.

In one embodiment of the invention, the projector light machine adopts a light emitting diode as a light source for projection.

In one embodiment of the invention, the projection optical engine adopts a driving thin film transistor liquid crystal display.

In one embodiment of the invention, the projector light machine adopts a digital light processing projector.

In one embodiment of the invention, the preset vehicle information includes at least one of a navigation arrow icon, a vehicle speed and a speed limit.

In order to achieve the above object, a second embodiment of the invention provides a vehicle including the above naked-eye 3D display device.

According to the vehicle provided by the embodiment of the invention, the naked eye 3D display device is adopted, the first preset distance is arranged between the semi-transparent semi-reflective film and the instrument screen, and the projector projects preset vehicle information on the semi-transparent semi-reflective film, so that the real naked eye 3D display effect is realized, the left-eye parallax and the right-eye parallax do not need to be distinguished, and the problems of dizziness and narrow visual angle are solved.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

Fig. 1 is a schematic structural diagram of a naked-eye 3D display device according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a naked eye 3D display device according to an example of the present invention;

FIG. 3 is a schematic view of the position of an exemplary projector according to the present invention;

FIG. 4 is a schematic view of a dashboard display according to an example of the invention;

FIG. 5 is a schematic view of a dashboard display according to another example of the invention;

FIG. 6 is a schematic illustration of the effects of a dashboard display according to an example of the present invention;

FIG. 7 is a schematic view of a meter panel display of another embodiment of the present invention;

FIG. 8 is a schematic illustration of a display of a center control screen according to yet another embodiment of the present invention;

fig. 9 is a block diagram of a vehicle according to an embodiment of the invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

The naked-eye 3D display device and the vehicle according to the embodiment of the present invention are described below with reference to the drawings.

Fig. 1 is a schematic structural diagram of a naked eye 3D display device according to an embodiment of the present invention.

As shown in fig. 1, the naked-eye 3D display device 100 includes: the semi-transparent semi-reflective film 10, the instrument screen 20 and the projection light machine 30.

Specifically, the transflective film 10 is located on an instrument panel 20 of the vehicle, and is spaced from the instrument panel 20 by a first preset distance, and the projector 30 is configured to project preset vehicle information on the transflective film 10. The meter screen 20 displays meter information other than the preset vehicle information as a normal 2D display. Therefore, a depth structure in space can be formed by spacing a first preset distance between the semi-transparent and semi-reflective film 10 and the instrument screen 20, real 3D display is achieved, and due to the fact that the two-eye parallax principle is not adopted, left-eye and right-eye images are not distinguished, visual angle limitation does not exist, a full visual angle can be achieved, and vertigo feeling does not exist.

In some embodiments of the present invention, the preset vehicle information includes at least one of a navigation arrow icon, a vehicle speed, and a speed limit.

In some embodiments of the present invention, the transflective film 10 is attached to the instrument panel 20 by an optical adhesive, the thickness of the optical adhesive between the transflective film 10 and the instrument panel 20 is the above-mentioned first preset distance, and the first preset distance is 3-10 mm.

As an example, referring to fig. 2, an optical Adhesive 40 is interposed between the transflective film 10 and the instrument panel 20, the optical Adhesive 40 is an Optically Clear Adhesive (OCA) and has a first predetermined thickness, so that the transflective film 10 and the instrument panel 20 are not on one layer by the optical Adhesive 40, and the optical Adhesive 40 is set to have the first predetermined thickness to form a spatially deep structure, thereby realizing a real naked-eye 3D display effect without a glare feeling, and the optical Adhesive 40 is colorless and transparent, has a light transmittance of 90% or more, and has a good Adhesive strength.

In some embodiments of the invention, the projector engine 30 is located on the diagonally upper side of the main seat back of the vehicle, as can be seen in fig. 3.

In some embodiments of the present invention, the optical projection engine 30 uses a light emitting diode as a light source for projection, the optical projection engine 30 uses a driving thin film transistor liquid crystal display, and the optical projection engine 30 can also use a digital light processing projector or a liquid crystal on silicon projector, which is as follows:

1) The projection light engine 30 uses a light emitting diode as a light source for projection, and combines with a thin film transistor liquid crystal display.

2) The projector 30 uses a light emitting diode as a light source for projection, and combines with a digital light processing technology, i.e. a digital light processing projector.

3) The projection light machine 30 uses a light emitting diode as a light source to perform projection, and combines with a liquid crystal on silicon technology, i.e., a liquid crystal on silicon projector.

FIG. 4 is a schematic view of a dashboard display according to an example of the present invention.

As shown in fig. 4, the instrument panel 20 has a normal instrument panel display area 11 on each of the left and right sides thereof, and the vehicle speed 31, the speed limit 32, and the navigation arrow icon 33 are all preset vehicle information. Specifically, the vehicle speed 31, the speed limit 32 and the navigation arrow icon 33 are projected onto the transflective film 10 through the projector 30, the instrument panel 20 displays a normal 2D picture, and the projector 30 projects vehicle preset information onto the transflective film 10 to form a naked-eye 3D effect.

Note that the projection positions of the vehicle speed 31, the speed limit 32, and the navigation arrow icon 33 are not limited to the vertical positions shown in fig. 4, and with reference to fig. 5, the vehicle speed 31, the speed limit 32, and the navigation arrow icon 33 may be projected in horizontal positions, and the final instrument panel display effect diagram may be shown with reference to fig. 6.

In addition, aiming at the selection of the instrument screen 20, the invention also provides another two embodiments, which are specifically as follows:

in the first embodiment, the instrument panel 20 uses a special-shaped flexible bending panel, the bending is a concave bending, and referring to fig. 7, the left-right length ratio of the instrument panel 20 may be specifically set according to actual conditions, for example, the ratio may be 1. The left side part projects a vehicle speed 31, a speed limit 32 and a navigation arrow icon 33 to the semi-transparent and semi-reflective film 10 by using a projector 30 to realize a naked eye 3D effect, and the right side part is a normal display area of the instrument screen and is used for displaying other information of the instrument screen to realize a normal 2D effect.

In a second embodiment, a central control screen is adopted, and the central control screen is a convex bent screen, and referring to fig. 8, the left-right length ratio can be specifically set according to actual conditions, for example, the ratio can be 1. The left side part is used as a normal instrument display area, the projection light machine can project the vehicle speed 31, the speed limit 32 and the navigation arrow 33 on the left side part to achieve a naked eye 3D effect, and the right side part is used as a central control screen display area to achieve a normal 2D effect.

To sum up, the naked eye 3D display device of the embodiment of the present invention includes: the semi-transparent semi-reflective film is positioned on an instrument screen of the vehicle and is separated from the instrument screen by a first preset distance; and the projection light machine is used for projecting preset vehicle information on the semi-transparent semi-reflective film. From this, this bore hole 3D display device through set up first distance of predetermineeing between semi-transparent semi-reflecting membrane and instrument screen, will predetermine vehicle information projection by the projection ray apparatus on semi-transparent semi-reflecting membrane to realized real bore hole 3D display effect and need not to distinguish left and right eye parallax, solved dizzy sense and the narrow problem of visual angle.

Further, the invention provides a vehicle.

Fig. 9 is a block diagram of a vehicle according to an embodiment of the invention.

As shown in fig. 9, the vehicle 1000 includes the naked-eye 3D display device 100.

The vehicle comprises a naked eye 3D display device, wherein the semi-transparent semi-reflective film is positioned on an instrument screen of the vehicle and is separated from the instrument screen by a first preset distance; and the projection light machine is used for projecting preset vehicle information on the semi-transparent semi-reflective film. From this, this bore hole 3D display device through set up first distance of predetermineeing between semi-transparent semi-reflection membrane and instrument screen, will predetermine vehicle information projection by the projection ray apparatus on semi-transparent semi-reflection membrane to realized real bore hole 3D display effect and need not to distinguish left and right eye parallax, solved dizzy sense and the narrow problem of visual angle.

It should be noted that the logic and/or steps illustrated in the flowcharts or otherwise described herein may be considered as a sequential list of executable instructions for implementing logical functions, and may be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device. More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). Further, the computer-readable medium could even be paper or another suitable medium upon which the program is printed, as the program can be electronically captured, via for instance optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner if necessary, and then stored in a computer memory.

It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. If implemented in hardware, as in another embodiment, any one or combination of the following technologies, which are well known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In the description herein, the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like refer to an orientation or positional relationship indicated in the drawings, which does not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and is not to be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specified otherwise.

In the description of the present specification, unless otherwise specified, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (10)

1. A naked eye 3D display device, the device comprising:

the semi-transparent semi-reflective film is positioned on an instrument screen of a vehicle, and a first preset distance is formed between the semi-transparent semi-reflective film and the instrument screen;

and the projection light machine is used for projecting preset vehicle information on the semi-transparent semi-reflective film.

2. The naked eye 3D display device according to claim 1, wherein the semi-transparent and semi-reflective film is attached to the instrument panel through optical glue, and the thickness of the optical glue between the semi-transparent and semi-reflective film and the instrument panel is the first preset distance.

3. A naked eye 3D display device according to claim 1 or 2, wherein the first predetermined distance is 3-10 mm.

4. The naked eye 3D display device of claim 1, wherein the projector engine is located on a diagonally upper side of a main seat back of the vehicle.

5. The naked eye 3D display device according to claim 1, wherein the projection light engine uses a light emitting diode as a light source for projection.

6. The naked eye 3D display device according to claim 5, wherein the projection optics employs a driving thin film transistor liquid crystal display.

7. The naked eye 3D display device according to claim 5, wherein the light projector is a digital light processing projector.

8. The naked eye 3D display device according to claim 6, wherein the projection light engine is a liquid crystal on silicon projector.

9. The naked eye 3D display device according to claim 1, wherein the preset vehicle information comprises at least one of a navigation arrow icon, a vehicle speed, and a speed limit.

10. A vehicle characterized by comprising the naked eye 3D display device according to any one of claims 1 to 9.

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