CN110634692A - A new type switchable character display switch and device - Google Patents

Abstract

The application discloses a novel switchable character display switch, which includes a plurality of light guide plates arranged at intervals for transmitting light; quantum dot layers with preset patterns on the surfaces of the plurality of light guide plates for absorbing light and emitting light Light of required wavelength; multiple light sources respectively corresponding to the quantum dot pattern, used to generate light and irradiate the quantum dot pattern through the light guide plate; the shell, used to accommodate the light guide plate and the light source. In the switch of the present application, when the light source corresponding to a certain quantum dot layer is turned on, the light will pass through the light guide plate and irradiate the quantum dot layer, and the quantum dot layer will absorb the light and then emit light of the required wavelength, which will show the predicted state of the quantum dot layer. Set the pattern, after the light source is turned off, the preset pattern of the quantum dot layer will not be displayed. Similarly, when the light source corresponding to another quantum dot layer is turned on, the preset pattern of the quantum dot layer will be displayed to achieve a variety of display patterns Switch between, and can display a variety of preset patterns. The present application also provides a device with the above advantages.

Description

A new type switchable character display switch and device

technical field

The present application relates to the technical field of switches, in particular to a novel switchable character display switch and equipment.

Background technique

Various electrical appliances and electronic products are equipped with switches. In order to display the state of the switch, an indicator light is generally provided on the switch. When the switch is on, the indicator light is on, and when the switch is off, the indicator light is off. The currently used switch has a single display state and cannot switch between multiple displayable characters, and the displayed characters are also single and fixed.

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

Contents of the invention

The purpose of this application is to provide a new switchable character display switch and equipment, so that the new switchable character display switch can switch between various display patterns, and can display different patterns, so as to improve the technological sense of the equipment.

In order to solve the above technical problems, the application provides a new switchable character display switch, including:

A plurality of light guide plates arranged at intervals for transmitting light;

A quantum dot layer with a preset pattern on the surface of the plurality of light guide plates, which is used to absorb light and emit light of a desired wavelength;

a plurality of light sources respectively corresponding to the quantum dot layer, for generating light and irradiating the quantum dot layer through the light guide plate;

The housing is used to accommodate the light guide plate and the light source.

Optionally, when the quantum dot layers do not overlap in the direction perpendicular to the arrangement direction of the light guide plate, the arrangement direction of the light sources is perpendicular to the arrangement direction of the light guide plate.

Optionally, the light source is an ultraviolet light source.

Optionally, the light source is a laser light source.

Optionally, also include:

An anti-ultraviolet protective layer located on the surface of the housing displaying the preset pattern.

Optionally, when the light source is a non-collimated light source, it also includes:

A shading plate located between any two adjacent light sources.

Optionally, the light guide plate is any one of a polycarbonate light guide plate, an acrylic light guide plate, and a polyethylene terephthalate light guide plate.

The present application also provides a device, which includes any one of the novel switchable character display switches described above.

The novel switchable character display switch provided by this application includes a plurality of light guide plates arranged at intervals for transmitting light; quantum dot layers with preset patterns on the surfaces of the plurality of light guide plates are used for absorbing light and emit light of required wavelength; a plurality of light sources respectively corresponding to the quantum dot pattern are used to generate light and irradiate the quantum dot pattern through the light guide plate; a housing is used to accommodate the light guide plate and the light source .

In the new switchable character display switch in this application, when the light source corresponding to a quantum dot layer is turned on to generate light, the light will pass through the light guide plate and irradiate the quantum dot layer, and the quantum dot layer will absorb the light and emit light of the required wavelength , that is to display the preset pattern of the quantum dot layer. After the light source is turned off, the preset pattern of the quantum dot layer will not be displayed. Similarly, when the light source corresponding to another quantum dot layer is turned on, the quantum dot layer will be displayed. The preset pattern realizes switching between various display patterns, and the new switchable character display switch can display various different preset patterns. In addition, the present application also provides a device with the above-mentioned advantages.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the accompanying drawings that need to be used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the accompanying drawings in the following description are only For some embodiments of the present application, those of ordinary skill in the art can also obtain other drawings based on these drawings without creative effort.

Fig. 1 is a side view structural schematic diagram of a novel switchable character display switch provided by the embodiment of the present application;

Fig. 2 is a side view structural schematic diagram of another new switchable character display switch provided by the embodiment of the present application;

Fig. 3 is a side view structural schematic diagram of another new switchable character display switch provided by the embodiment of the present application;

FIG. 4 is a schematic diagram of a side view structure of another novel switchable character display switch provided by an embodiment of the present application.

Detailed ways

In order to enable those skilled in the art to better understand the solution of the present application, the present application will be further described in detail below in conjunction with the drawings and specific implementation methods. Apparently, the described embodiments are only some of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

In the following description, a lot of specific details are set forth in order to fully understand the present invention, but the present invention can also be implemented in other ways different from those described here, and those skilled in the art can do it without departing from the meaning of the present invention. By analogy, the present invention is therefore not limited to the specific examples disclosed below.

Quantum dots are nano-scale semiconductors. By applying a certain electric field or light pressure to this nano-semiconductor material, it will emit light of a specific frequency, and the frequency of the emitted light will change with the size of the quantum dots. .

As mentioned in the background art section, the existing switch has a single display state and cannot switch between various displayable characters.

In view of this, this application provides a new switchable character display switch, please refer to Figure 1, Figure 1 is a side view structural schematic diagram of a new switchable character display switch provided by the embodiment of the application, the new switchable Character display switches include:

A plurality of light guide plates 1 arranged at intervals for transmitting light;

Quantum dot layers 2 with preset patterns located on the surfaces of the plurality of light guide plates 1 respectively, for absorbing light and emitting light of required wavelength;

A plurality of light sources 3 respectively corresponding to the quantum dot layer 2 are used to generate light and irradiate the quantum dot layer 2 through the light guide plate 1;

The housing 4 is used for accommodating the light guide plate 1 and the light source 3 .

It should be noted that, in this embodiment, there is no specific limitation on the number of light guide plates 1 , as long as the number is more than two, the requirement is met. It can be understood that each light guide plate 1 has a quantum dot layer 2 on it.

Specifically, the light guide plate 1 is any one of the polycarbonate light guide plate 1, the acrylic light guide plate 1, and the polyethylene terephthalate light guide plate 1. Of course, it can also be other transparent light guide plates such as glass light guide plate 1. Light guide plate 1.

It should be pointed out that there is no specific limitation on the preset pattern in this implementation, and it can be determined according to the situation. For example, the preset patterns can be numbers, letters, characters, portraits and so on.

It should also be pointed out that the quantum dot layer 2 is formed of quantum dots in this embodiment, and the size of the quantum dots is not specifically limited in this embodiment, and can be set according to the desired wavelength. Similarly, the type of quantum dots is not specifically limited in this embodiment, for example, the quantum dots may be silicon quantum dots, germanium quantum dots, cadmium telluride quantum dots, indium phosphide quantum dots, and the like.

Optionally, in one embodiment of the present application, there is relative overlap between the quantum dot layers 2, but the present application does not specifically limit this. In other embodiments of the present application, there is no overlap between the quantum dot layers 2. overlapping.

Generally, the light emitted by the light source 3 is blue light or ultraviolet light.

The effect of casing 4 in the present embodiment is light-shielding, prevents the light that light source 3 sends from leaking, influences the display of preset pattern, certainly, not all surfaces of casing 4 are all light-shielding, and the side toward human eye 5 can be view to display the preset pattern.

It should be noted that, in this embodiment, the control mode of the new switchable character display switch is not specifically limited, and it depends on the situation. For example, it can be a knob type or a push type. Every time it is rotated, the light source 3 corresponding to a quantum dot layer 2 lights up, and the light source that was turned on last time goes out; every time it is pressed, the light source 3 corresponding to a quantum dot layer 2 lights up, and at the same time the light source that was on last goes out.

In the new switchable character display switch in this embodiment, when the light source 3 corresponding to a quantum dot layer 2 is turned on to generate light, the light will pass through the light guide plate 1 and irradiate the quantum dot layer 2, and the quantum dot layer 2 will absorb the light. Emit the light of the desired wavelength, that is, display the preset pattern of the quantum dot layer 2. After the light source 3 is extinguished, the preset pattern of the quantum dot layer 2 will not be displayed. Similarly, when another quantum dot layer 2 corresponds to the light source 3 After it is turned on, the preset pattern of the quantum dot layer 2 will be displayed to realize switching between multiple display patterns, and the new switchable character display switch can display multiple different preset patterns.

Preferably, in one embodiment of the present application, please refer to FIG. 3, when the light source 3 is a non-collimated light source 3, it also includes:

The shading plate 6 located between any two adjacent light sources 3 prevents the light source 3 from irradiating light into the adjacent light guide plate 1, so that the quantum dot layer 2 in the adjacent light guide plate 1 emits light and cross light occurs.

On the basis of the above embodiments, in one embodiment of the present application, when the quantum dot layer 2 has no overlap in the direction perpendicular to the arrangement direction of the light guide plate 1, the arrangement direction of the light sources 3 is perpendicular to the For the arrangement direction of the light guide plate 1 , please refer to FIG. 2 for details.

Preferably, the light source 3 is an ultraviolet light source 3, and the brightness of the ultraviolet light is lower than that of the blue light, which can reduce the stimulation of the light source 3 to the human eye 5 and enhance the user's visual experience of watching the preset pattern.

In the novel switchable character display switch in this embodiment, the quantum dot layer 2 has no overlap in the arrangement direction perpendicular to the light guide plate 1, and when all the light sources 3 corresponding to the quantum dot layer 2 are turned on, all quantum dots can be displayed. The preset pattern of the layer 2, and each quantum dot layer 2 is in a different light guide plate 1, and all display patterns bring a "suspension" effect and enhance the visual experience.

Preferably, in one embodiment of the present application, the light source 3 is a laser light source 3, and the laser light has high collimation, which can effectively prevent cross-light between different quantum dot layers 2 and improve the display effect.

Please refer to FIG. 4 . FIG. 4 is a schematic side view structural diagram of another new switchable character display switch provided by an embodiment of the present application.

An anti-ultraviolet protective layer 7 located on the surface of the housing 4 displaying the preset pattern. The anti-ultraviolet protection layer 7 can prevent ultraviolet light leakage from causing damage to human eyes 5, and can also prevent ultraviolet light in the external sunlight of the new switchable character display switch from entering the new switchable character display switch, causing noise other than the light source 3. astigmatism.

The present application also provides a device, which includes any one of the novel switchable character display switches described above.

The new switchable character display switch in the device in this application, when the light source 3 corresponding to a certain quantum dot layer 2 is turned on to generate light, the light will pass through the light guide plate 1 and irradiate the quantum dot layer 2, and the quantum dot layer 2 will absorb After the light emits light of the desired wavelength, the preset pattern of the quantum dot layer 2 is displayed. After the light source 3 is extinguished, the preset pattern of the quantum dot layer 2 will not be displayed. Similarly, when another quantum dot layer 2 corresponds to After the light source 3 is turned on, the preset pattern of the quantum dot layer 2 will be displayed to realize switching between various display patterns, and the new switchable character display switch can display a variety of different preset patterns, which improves the technology of the device sense and user experience.

Each embodiment in this specification is described in a progressive manner, each embodiment focuses on the difference from other embodiments, and the same or similar parts of each embodiment can 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 for the related information, please refer to the description of the method part.

The above is a detailed introduction of the novel switchable character display switch and the device provided by the present application. In this paper, specific examples are used to illustrate the principles and implementation methods 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 those skilled in the art can make several improvements and modifications to the application without departing from the principles of the application, and these improvements and modifications also fall within the protection scope of the claims of the application.

Claims (8)

1. A novel switchable character display switch, characterized in that it comprises: A plurality of light guide plates arranged at intervals for transmitting light; A quantum dot layer with a preset pattern on the surface of the plurality of light guide plates, which is used to absorb light and emit light of a desired wavelength; a plurality of light sources respectively corresponding to the quantum dot layer, for generating light and irradiating the quantum dot layer through the light guide plate; The housing is used to accommodate the light guide plate and the light source. 2. The novel switchable character display switch according to claim 1, wherein when the quantum dot layer has no overlapping in the arrangement direction perpendicular to the light guide plate, the arrangement direction of the light source is perpendicular to the arrangement direction of the light guide plate. The alignment direction of the light guide plate. 3. The novel switchable character display switch according to claim 2, wherein the light source is an ultraviolet light source. 4. The novel switchable character display switch according to claim 3, wherein the light source is a laser light source. 5. The novel switchable character display switch according to claim 4, further comprising: An anti-ultraviolet protective layer located on the surface of the housing displaying the preset pattern. 6. The novel switchable character display switch according to claim 1, wherein when the light source is a non-collimated light source, it also includes: A shading plate located between any two adjacent light sources. 7. The novel switchable character display switch according to any one of claims 1 to 6, wherein the light guide plate is a polycarbonate light guide plate, an acrylic light guide plate, a polyethylene terephthalate Any of the light panels. 8. A device, characterized in that the device comprises the novel switchable character display switch according to any one of claims 1 to 7.

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