CN111880259B - Novel display device and automobile part - Google Patents

Abstract

The present application discloses a novel display device, comprising a light guide medium layer in which an up-conversion luminescent material layer with a preset pattern is embedded; an interface material layer on both sides of the light guide medium layer; and an interface material layer on both sides of the light guide medium layer; Infrared light source on one side, and the infrared light source and the light guide medium layer are separated by the interface material layer. The light source in the novel display device in the present application is an infrared light source, the infrared light source generates infrared light, and the infrared light has a high penetration rate in the interface material layer, and is irradiated on the up-conversion light-emitting material layer, and the up-conversion light-emitting material layer is subjected to The excitation of low-energy light can emit high-energy light, and the preset pattern of the up-conversion luminescent material layer can be displayed on the interface material layer far away from the infrared light source, so the power required by the infrared light source is small, reducing the display. The energy consumption of the preset pattern, and because the light transmitted in the interface material layer is infrared light, the propagation depth is small, and color shift is avoided. The application also provides an automotive component.

Description

A Novel Display Device and Auto Parts

technical field

The present application relates to the field of display technology, and in particular, to a novel display device and automobile parts.

Background technique

With the development of display technology, more and more attention is paid to the display needs of users for hidden beacons in information display, such as low visible light transmittance in mirror surface, black opaque leather, opaque plastic products, fabric, wood grain, etc. The interface material surface displays characters.

Existing display devices use LEDs emitting visible light as light sources to irradiate a material with a character shape coated with titanium dioxide to make the material with a character shape emit light, and then display characters on the surface of the material with low visible light transmittance. Since the low visible light transmittance material has a very low transmittance to visible light, in order to display the characters on its surface, the power of the light source needs to be increased, resulting in an increase in energy consumption. Causes a color cast to occur as well.

Therefore, how to solve the above technical problems should be the focus of those skilled in the art.

SUMMARY OF THE INVENTION

The purpose of the present application is to provide a new type of display device and automobile parts to reduce the energy consumption of the display process while avoiding the occurrence of color shift.

In order to solve the above technical problems, the present application provides a novel display device, including:

a light-guiding medium layer, wherein an up-conversion luminescent material layer with a preset pattern is embedded in the light-guiding medium layer;

interface material layers located on both sides of the light guide medium layer;

The infrared light source is located on one side of the light guide medium layer, and the infrared light source and the light guide medium layer are separated by the interface material layer.

Optionally, also include:

an infrared shielding layer located on the surface of the interface material layer showing the preset pattern.

Optionally, the infrared light source is an infrared LED or an infrared laser or an infrared organic light-emitting light source.

Optionally, the up-conversion luminescent material layer is a yttrium sodium fluoride layer doped with rare earth elements.

Optionally, the material of the light guide medium layer is any of the following:

Polystyrene, polycarbonate, polymethyl methacrylate.

Optionally, the preset patterns are numbers or letters.

Optionally, when the new-type display device is a knob, the casing of the new-type display device is provided with anti-slip textures.

Optionally, the interface material layer is a leather layer or a fabric layer.

The present application also provides an automobile component, which includes any one of the novel display devices described above.

A novel display device provided by the present application includes a light-guiding medium layer in which an up-conversion luminescent material layer with a preset pattern is embedded; interface materials located on both sides of the light-guiding medium layer layer; an infrared light source located on one side of the light guide medium layer, and the infrared light source and the light guide medium layer are separated by the interface material layer.

It can be seen that the light source in the novel display device in the present application is an infrared light source, the infrared light source generates infrared light, and the infrared light has a high penetration rate in the interface material layer, which is irradiated on the up-conversion light-emitting material layer, and the up-conversion light-emitting material layer is When the layer is excited by light with lower energy, it can emit high-energy light, and the preset pattern of the up-conversion luminescent material layer can be displayed on the interface material layer far away from the infrared light source, so the power required by the infrared light source is small, The energy consumption for displaying the preset pattern is reduced, and because the light transmitted in the interface material layer is infrared light, the propagation depth is small, and color shift is avoided.

In addition, the present application also provides an automobile part.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present application or the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only For some embodiments of the present application, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without any creative effort.

1 is a cross-sectional view of a novel display device provided by an embodiment of the application;

2 is a schematic front view of a preset pattern provided by an embodiment of the present application;

FIG. 3 is a cross-sectional view of another novel display device provided by an embodiment of the present application.

Detailed ways

In order to make those skilled in the art better understand the solution of the present application, the present application will be further described in detail below with reference to the accompanying drawings and specific embodiments. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of this application.

Many specific details are set forth in the following description to facilitate a full understanding of the present invention, but the present invention can also be implemented in other ways different from those described herein, and those skilled in the art can do so without departing from the connotation of the present invention. Similar promotion, therefore, the present invention is not limited by the specific embodiments disclosed below.

As described in the background art section, current display devices use LEDs that emit visible light as light sources to irradiate titanium dioxide-coated material with character shapes to make the material with character shapes emit light, and then display on the surface of the material with low visible light transmittance character. Since the low visible light transmittance material has a very low transmittance to visible light, in order to display the characters on its surface, the power of the light source needs to be increased, resulting in an increase in energy consumption. Causes a color cast to occur as well.

In view of this, the present application provides a novel display device, please refer to FIG. 1 and FIG. 2 , FIG. 1 is a cross-sectional view of a novel display device provided by an embodiment of the present application, and FIG. 2 is an embodiment of the present application. A schematic front view of a preset pattern, the device includes:

a light-guiding medium layer 1, wherein an up-conversion luminescent material layer 2 with a preset pattern is embedded in the light-guiding medium layer 1;

Interface material layers 3 located on both sides of the light guide medium layer 1;

The infrared light source 4 is located on one side of the light guide medium layer 1 , and the infrared light source 4 and the light guide medium layer 1 are separated by the interface material layer 3 .

It should be noted that, in actual production and use, the casing 5 can also be provided, since the light guide medium layer 1 , the infrared light source 4 and the interface material layer 3 are accommodated.

The up-conversion luminescent material layer 2 is embedded in the light-guiding medium layer 1 means that the light-guiding medium layer 1 has a certain thickness, the interior of the light-guiding medium layer 1 has a certain cavity, and the up-conversion luminescent material layer 2 is located in the hollow. in the cavity.

The up-conversion luminescent material layer 2 may be a layer of sodium yttrium fluoride (NaYF ₄ ) doped with rare earth elements, wherein the rare earth elements may be ytterbium and erbium. The up-conversion light-emitting material layer 2 is not specifically limited in this application. In other embodiments, the up-conversion light-emitting material layer 2 may also be a calcium fluoride (CaF ₂ ) layer doped with rare earth elements, or a gadolinium oxide (Gd ₂ O ₃ ) layer, etc. Since different up-conversion luminescent materials have different emission spectra, the up-conversion luminescent material layer 2 can be selected specifically according to the desired luminescent color.

Optionally, the preset pattern is a number or a letter, and of course, it can be any other shape.

It should be noted that the material of the light guide medium layer 1 in this application includes but is not limited to any one of polystyrene, polycarbonate, and polymethyl methacrylate.

It should also be pointed out that the interface material layer 3 is not specifically limited in this application, and it depends on the situation. For example, the interface material layer 3 is any material layer with low visible light transmittance, such as a leather layer, or a fabric layer, or a mirror surface, or an opaque plastic product layer.

Optionally, the infrared light source 4 is an infrared LED (Light Emitting Diode, light-emitting diode), an infrared laser, or an infrared organic light-emitting light source. The infrared organic light-emitting light source refers to a light source that generates infrared light by using a light source or electrically excited infrared organic light-emitting material.

The light source in the novel display device in the present application is an infrared light source 4, the infrared light source 4 generates infrared light, and the infrared light has a high transmittance in the interface material layer 3, and is irradiated on the up-conversion luminescent material layer 2, and the up-conversion The luminescent material layer 2 can emit high-energy light when excited by light with lower energy, and the preset pattern of the up-conversion luminescent material layer 2 can be displayed on the interface material layer 3 far away from the infrared light source 4, so the infrared light source 4 The required power is small, which reduces the energy consumption for displaying the preset pattern, and because the light transmitted in the interface material layer 3 is infrared light, the propagation depth is small, and color shift is avoided.

Please refer to FIG. 3 , which is a cross-sectional view of another novel display device according to an embodiment of the present application. On the basis of the above embodiments, the novel display device further includes:

The infrared shielding layer 6 is located on the surface of the interface material layer 3 displaying the preset pattern, so as to prevent the infrared leakage inside the new display device from causing damage to the human eye, and at the same time, it can also prevent the infrared component of external sunlight from entering the new display device, cause unexpected stray light.

It should be noted that the material of the infrared shielding layer 6 is not specifically limited in this application, as long as it can play a role of shielding infrared rays. For example, the infrared shielding layer 6 includes an indium tin oxide layer and a coating covering the upper surface of the indium tin oxide layer, and the coating on the upper surface can be a silica coating, an epoxy resin layer or an acrylic resin layer; further The infrared shielding layer 6 may also include an indium tin oxide layer, a coating covering the upper surface of the indium tin oxide layer, and a coating covering the lower surface of the indium tin oxide layer, and the coating on the lower surface may be urethane ester resin layer.

In an embodiment of the present application, when the novel display device is a knob, the casing 5 of the novel display device is provided with anti-slip textures to facilitate the user's operation.

The present application also provides an automobile component, which includes the novel display device described in the above embodiments.

In this embodiment, a new type of display device is installed in the automobile part. The light source in the new type of display device is an infrared light source, and the infrared light source generates infrared light. and the up-conversion luminescent material layer can emit high-energy light when excited by light with lower energy, and the preset pattern of the up-conversion luminescent material layer can be displayed on the interface material layer far away from the infrared light source, so the infrared The power required by the light source is small, which reduces the energy consumption of displaying the preset pattern, and because the light transmitted in the interface material layer is infrared light, the propagation depth is small, and color shift is avoided, thereby reducing the energy consumption of automobile parts and enhancing the practicality.

The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments, and the same or similar parts between the various embodiments may be referred to each other. As for the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant part can be referred to the description of the method.

The novel display device and automobile parts provided by the present application have been introduced in detail above. Specific examples are used herein to illustrate the principles and implementations of the present application, and the descriptions of the above embodiments are only used to help understand the methods and core ideas of the present application. It should be pointed out that for those of ordinary skill in the art, without departing from the principles of the present application, several improvements and modifications can also be made to the present application, and these improvements and modifications also fall within the protection scope of the claims of the present application.

Claims (9)

1. A display device, comprising:

the light guide medium layer is internally embedded with an up-conversion luminescent material layer with a preset pattern;

interface material layers positioned on two sides of the light guide medium layer;

the infrared light source is positioned on one side of the light guide medium layer, and the infrared light source and the light guide medium layer are separated by the interface material layer;

the interface material layer has both low visible light transmittance and high infrared transmittance.

2. The display device of claim 1, further comprising:

and the infrared shielding layer is positioned on the surface of the interface material layer displaying the preset pattern.

3. A display device as claimed in claim 1 or 2, characterized in that the infrared light source is an infrared LED or an infrared laser or an infrared organic light-emitting light source.

4. The display device according to claim 3, wherein the upconversion luminescent material layer is a yttrium sodium fluoride layer doped with a rare earth element.

5. The display device according to claim 4, wherein the light guide medium layer is made of any one of:

polystyrene, polycarbonate, polymethyl methacrylate.

6. The display device of claim 5, wherein the predetermined pattern is a number or a letter.

7. The display device of claim 6, wherein when the display device is a knob, a housing of the display device is provided with an anti-slip texture.

8. The display device of claim 7, wherein the interface material layer is a leather layer or a fabric layer.

9. An automotive part characterized in that it comprises a display device according to any one of claims 1 to 8.

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