CN215219325U

CN215219325U - Head-up display system

Info

Publication number: CN215219325U
Application number: CN202121479908.7U
Authority: CN
Inventors: 王海琳
Original assignee: Zhejiang Najing Technology Co ltd
Current assignee: Zhejiang Najing Technology Co ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2021-12-17
Anticipated expiration: 2031-06-30

Abstract

The utility model provides a new line display system, including new line display host computer and display screen, wherein, new line display host computer is including the projection imaging equipment who is used for launching excitation light, and the display screen includes two glass layers of superpose and mixes the brilliant luminous layer of nanometer, and the excitation light that projection imaging equipment launched can be received to the brilliant luminous layer of doping nanometer. The head-up display host emits excitation light to irradiate the doped nanocrystalline light-emitting layer to excite the luminescent of the nanocrystalline material, and the head-up display host emits light in an excitation mode, so that the mounting position of the head-up display host is freer, the display area is wider, and the display content is richer.

Description

Head-up display system

Technical Field

The utility model relates to a show technical field, particularly, relate to a new line display system.

Background

Head-Up Display is also called Head-Up Display (HUD) for short. The automobile navigation system has the function of projecting important driving information such as speed per hour, navigation and the like onto a windshield in front of a driver, so that the driver can see the important driving information such as speed per hour, navigation and the like without lowering head or turning head as much as possible.

The existing head-up display technology usually causes a double image phenomenon because projection light is reflected on the inner surface and the outer surface of a glass substrate, the phenomenon is eliminated, wedge-shaped glass with thickness gradient change is usually required to be replaced, and the phenomenon is realized through the deviation of front and rear reflection angles. But because the glass's of different motorcycle types camber differs, hardly have a glass can be suitable for all motorcycle types, cause the technique to be difficult to realize large-scale application, simultaneously because reflective HUD need accurately reflect light into people's eye, also have strict requirement to the mounted position of host computer to the display screen (like windshield) the display area is less.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a display area is wide, the display content is many, simultaneously to the unrestricted new line display system of mounted position of new line display host computer.

In order to achieve the above purpose, the utility model provides a following technical scheme: a head-up display system is characterized in that a head-up display host comprises projection imaging equipment for emitting exciting light rays, a display screen comprises two superposed glass layers and a doped nanocrystalline light-emitting layer, and the doped nanocrystalline light-emitting layer can receive the exciting light rays emitted by the projection imaging equipment.

Furthermore, the glass layer farthest from the head-up display host is a first glass layer, the doped nanocrystalline light-emitting layer is arranged on the surface of the first glass layer on the side far away from the head-up display host in a contact manner, and the thickness of the doped nanocrystalline light-emitting layer is 5-300 μm.

Further, the doped nanocrystalline light-emitting layer is located between the two glass layers, and the thickness of the doped nanocrystalline light-emitting layer is 500-1000 μm.

Furthermore, the area occupied by the doped nanocrystalline light-emitting layer is smaller than the area of each glass layer, and the doped nanocrystalline light-emitting layer is sealed in an interlayer formed by the two glass layers.

Further, the area occupancy of the doped nanocrystalline light emitting layer relative to the glass layer is 10% to 30%.

Furthermore, the area occupancy of the doped nanocrystalline light emitting layer relative to the glass layer is 5% -100%.

Further, the thickness of each glass layer is 2-700 times of the thickness of the doped nanocrystalline light-emitting layer.

Furthermore, the transmittance of the doped nanocrystalline light-emitting layer in the visible light range is more than or equal to 80%.

Further, a central point of a lens of the projection imaging device is defined as a point A, an intersection point of the excitation light and the doped nanocrystalline light emitting layer is defined as a point B, a position of human eyes is defined as a point C, a straight line passing through the point B and perpendicular to a tangent line of a curved surface of the doped nanocrystalline light emitting layer at the point B is a normal line, and the normal line passes through the inside or the outside of an included angle ABC.

Compared with the prior art, the beneficial effects of the utility model reside in that: the head-up display host emits excitation light to irradiate the doped nanocrystalline light-emitting layer to excite the nanocrystalline light-emitting material to emit light.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 illustrates a schematic structural diagram of a heads-up display system according to some embodiments of the present application;

FIG. 2 illustrates a schematic structural diagram of a heads-up display system according to some embodiments of the present application;

reference numerals: 1-head up display host computer; 2-a glass layer; 3-doping a nanocrystalline light emitting layer; theta-included angle ABC.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

The application provides a new line display system, this new line display system includes new line display host computer 1 and display screen, and wherein, new line display host computer 1 is including the projection imaging equipment who is used for launching excitation light, and the display screen includes two glass layers 2 of superpose and dopes nanocrystalline light-emitting layer 3, and dopes nanocrystalline light-emitting layer 3 and can receive the excitation light that projection imaging equipment launched.

The head-up display system provided by the application realizes that the mounting position of the head-up display host 1 is more free, the display area is wider, and the display content is richer.

In some embodiments, the doped nanocrystalline light emitting layer 3 comprises a doped nanocrystalline material selected from doped quantum dots, doped nanorods, and doped nanoplatelets, and a transparent polymer. The transparent polymer may be selected from at least one of polyacrylate, polyester, polyurethane, silicone resin, and epoxy resin.

Fig. 1 is a side view of a head-up display according to some embodiments of the present disclosure, in which a glass layer 2 farthest from a head-up display host 1 is a first glass layer 2, a doped nanocrystalline light-emitting layer 3 is disposed on a surface of the first glass layer 2 away from the head-up display host 1, and the doped nanocrystalline light-emitting layer 3 has a thickness of 5 to 300 μm. The same luminous point has no other eye paths, so that the double image phenomenon can be avoided.

In some embodiments, as shown in FIG. 2, the doped nanocrystalline light-emitting layer 3 is located between two glass layers 2, and the thickness of the doped nanocrystalline light-emitting layer 3 is 500-1000 μm. The doped nanocrystalline light-emitting layer 3 is arranged in the interlayer of the two glasses, and can isolate water and oxygen so as to enhance stability.

In some embodiments, the doped nanocrystalline light-emitting layer 3 occupies an area smaller than the area of each glass layer 2, and the doped nanocrystalline light-emitting layer 3 is enclosed in the interlayer defined by the two glass layers 2.

In some embodiments, the area occupancy of the doped nanocrystalline light emitting layer 3 relative to the glass layer 2 is between 10% and 30%.

In some embodiments, the area occupancy of the doped nanocrystalline light emitting layer 3 relative to the glass layer 2 is between 5% and 100%.

In some embodiments, the thickness of each glass layer 2 is 2 to 700 times, preferably 2 to 70 times, more preferably: when the doped nanocrystalline light-emitting layer 3 is arranged on the surface of the first glass layer 2, which is far away from the head-up display host 1, in a contact manner, the thickness of each glass layer 2 is 20-70 times that of the doped nanocrystalline light-emitting layer 3; in some embodiments, when the doped nanocrystalline light emitting layer 3 is located between two glass layers 2, the thickness of each glass layer 2 is 2-7 times the thickness of the doped nanocrystalline light emitting layer 3.

In order not to affect the driving vision, in some embodiments, the doped nanocrystalline luminescent layer 3 has a transmittance in the visible light range of 80% or more, preferably 90% or more.

In some embodiments, a central point of a lens of the projection imaging device is defined as a point a, an intersection point of the excitation light and the doped nanocrystal light emitting layer 3 is defined as a point B, a position of a human eye is defined as a point C, a straight line passing through the point B and perpendicular to a curved surface where the doped nanocrystal light emitting layer 3 is located at the tangent of the point B is defined as a normal line, and the normal line passes through the inside or outside of an included angle ═ ABC (i.e., θ).

The present invention provides a head-up display system, which will be further described with reference to the following embodiments.

[ example 1 ]

Adding the ZnS: Cu quantum dots into epoxy resin glue, stirring the mixture to a monodisperse state through an asymmetric centrifugal mixer at 3000rpm, spraying the epoxy resin glue of the ZnS: Cu quantum dots on the outer side of an automobile windshield, and storing the mixture for 7 days at the room temperature of 25 ℃ to finish the preparation of the display screen. The projection imaging equipment is arranged on one side, close to a front windshield, of the inside rear-view mirror, and debugging light is projected to an area, needing to be displayed in a head-up mode, on the display screen.

[ example 2 ]

Adding the ZnS: Cu quantum dots into epoxy resin glue, stirring the mixture to a monodisperse state through an asymmetric centrifugal mixer at 3000rpm, spraying the epoxy resin glue of the ZnS: Cu quantum dots on the outer side of an automobile windshield, and storing the mixture for 7 days at the room temperature of 25 ℃ to finish the preparation of the display screen. The projection imaging equipment is arranged on one side, close to the front windshield, of the instrument panel, and debugging light is projected to an area, needing to be displayed in a head-up mode, on the display screen.

[ example 3 ]

Adding the ZnS: Cu quantum dots into epoxy resin glue, stirring the mixture to a monodisperse state through an asymmetric centrifugal mixer at 3000rpm, spraying the epoxy resin glue of the ZnS: Cu quantum dots on the outer side of an automobile windshield, and storing the mixture for 7 days at the room temperature of 25 ℃ to finish the preparation of the display screen. The projection imaging equipment is arranged on one side, close to the front windshield, of the center console, and the debugging light is projected to an area, needing to be displayed in a head-up mode, on the display screen.

[ example 4 ]

Adding the ZnS: Cu quantum dots into epoxy resin glue, stirring the mixture to a monodisperse state through an asymmetric centrifugal mixer at 3000rpm, spraying the epoxy resin glue of the ZnS: Cu quantum dots on the outer side of an automobile windshield, and storing the mixture for 7 days at the room temperature of 25 ℃ to finish the preparation of the display screen. The projection imaging equipment is arranged on the front table top of the copilot, and the debugging light is projected to an area needing to be displayed in a head-up mode on the display screen.

[ example 5 ]

Adding ZnS: Cu quantum dots into moisture-curing organic silicon resin glue, stirring the mixture to be in a monodisperse state through an asymmetric centrifugal mixer at 3000rpm, spraying the organic silicon resin glue of the ZnS: Cu quantum dots on the outer side of an automobile windshield, and storing the mixture for 7 days at the room temperature of 25 ℃ to finish the preparation of the display screen. The projection imaging equipment is arranged on one side, close to a front windshield, of the inside rear-view mirror, and debugging light is projected to an area, needing to be displayed in a head-up mode, on the display screen.

[ example 6 ]

Adding ZnS: Cu quantum dots into polyacrylic resin glue, stirring to a monodisperse state at 3000rpm by an asymmetric centrifugal mixer, and spraying the polyacrylic resin glue of the ZnS: Cu quantum dots on the outer side of the automobile windshield at 500mJ/cm²And (5) performing energy UV irradiation for 10min to finish the preparation of the display screen. The projection imaging equipment is arranged on one side, close to a front windshield, of the inside rear-view mirror, and debugging light is projected to an area, needing to be displayed in a head-up mode, on the display screen.

[ example 7 ]

Adding ZnS: Cu quantum dots into polyvinyl butyral resin glue, stirring to a monodisperse state by an asymmetric centrifugal mixer at 3000rpm, coating the polyacrylic resin glue of the ZnS: Cu quantum dots between two layers of windshields of an automobile, and hot-pressing and laminating to finish the preparation of the display screen. The projection imaging equipment is arranged on one side, close to a front windshield, of the inside rear-view mirror, and debugging light is projected to an area, needing to be displayed in a head-up mode, on the display screen.

In conclusion, the head-up display system provided by the application realizes that the mounting position of the head-up display host computer is freer, the display area is wider, and the display content is richer.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The head-up display system comprises a head-up display host and a display screen, and is characterized in that the head-up display host comprises projection imaging equipment for emitting excitation light, the display screen comprises two superposed glass layers and a doped nanocrystalline light-emitting layer, and the doped nanocrystalline light-emitting layer can receive the excitation light emitted by the projection imaging equipment.

2. The head-up display system of claim 1, wherein the glass layer farthest from the head-up display host is a first glass layer, the doped nanocrystalline light-emitting layer is disposed in contact with a surface of the first glass layer on a side away from the head-up display host, and the doped nanocrystalline light-emitting layer has a thickness of 5 μm to 300 μm.

3. The heads-up display system of claim 1 wherein the doped nanocrystalline light emitting layer is located between the two glass layers, the doped nanocrystalline light emitting layer having a thickness of 500-1000 μ ι η.

4. The head-up display system of claim 3, wherein the doped nanocrystalline light-emitting layer occupies an area smaller than an area of each of the glass layers, and is enclosed in a sandwich defined by the two glass layers.

5. The heads-up display system of claim 4 wherein the doped nanocrystalline light-emitting layer has an area occupancy of 10% to 30% relative to the glass layer.

6. The head-up display system of any one of claims 1-3, wherein the doped nanocrystalline light-emitting layer has an area occupancy of 5% to 100% relative to the glass layer.

7. The head-up display system of any one of claims 1 to 4, wherein the thickness of each glass layer is 2 to 700 times the thickness of the doped nanocrystalline light-emitting layer.

8. The head-up display system of claim 1, wherein the doped nanocrystalline light-emitting layer has a transmittance of 80% or more in the visible range.

9. The head-up display system of any one of claims 1 to 4, wherein a central point of a lens of the projection imaging device is defined as a point A, an intersection point of the excitation light and the doped nanocrystalline light-emitting layer is defined as a point B, a position of a human eye is defined as a point C, a straight line passing through the point B and perpendicular to a tangent line of a curved surface of the doped nanocrystalline light-emitting layer at the point B is defined as a normal line, and the normal line passes through the inside or the outside of the included angle ABC.