CN213689990U - Integral type light conversion glass diffuser plate - Google Patents
Integral type light conversion glass diffuser plate Download PDFInfo
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- CN213689990U CN213689990U CN202022851293.8U CN202022851293U CN213689990U CN 213689990 U CN213689990 U CN 213689990U CN 202022851293 U CN202022851293 U CN 202022851293U CN 213689990 U CN213689990 U CN 213689990U
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Abstract
The utility model discloses an integral type light conversion glass diffuser plate. The quantum dot light conversion layer is arranged on the glass substrate; the diffusion layer is arranged on the light-emitting surface of the glass substrate, the quantum dot light conversion layer is attached to the diffusion layer, and the optical film is bonded to the quantum dot light conversion layer through the bonding layer. The utility model discloses an integral type light conversion glass diffuser plate, inside quantum dot integral type embedding glass diffuser plate, reduce the use of quantum membrane, the cost is reduced has reduced the use of quantum membrane, and product thickness is thinner. The utility model discloses an integral type light conversion glass diffuser plate, its colour gamut is high, and the quantum dot light conversion layer of embedding can improve colour gamut 30%, long service life.
Description
Technical Field
The utility model relates to a diffuser plate preparation technical field, concretely relates to integral type light conversion glass diffuser plate.
Background
In a conventional diffuser plate, inorganic or organic light diffusers are added to base materials such as PMMA, PC, PS, PP, etc. as scattering particles, so that light rays are continuously refracted, reflected, and scattered in two media with different refractive indexes when passing through a scattering layer, thereby changing a traveling path of the light rays and achieving an effect of optical diffusion by fully scattering incident light. However, the plastic materials such as PMMA, PC, PS, PP and the like have the common properties of moisture absorption expansion, heat bending and cold shrinkage, the diffusion plate with smaller size is not changed greatly, but the diffusion plate with large size is changed obviously, and when the diffusion plate is used by single support, the material is softer, and the support force is not enough, so that the front arch and the back warp are easy to generate.
The light source of the diffusion plate is generally white light or blue light, the blue light needs to excite the red and green light conversion units and is mixed with the blue light to form white light, and the diffusion plate using the blue light as the light source has a higher color gamut than the diffusion plate using the white light as the light source, but needs to introduce the light conversion units. The most used light conversion units at present mainly comprise quantum dots and fluorescent powder, wherein the quantum dots are nano-scale crystals and are made of semiconductor materials. Compared with fluorescent particles, the quantum dot nano material has many advantages, such as that quantum dots can generate denser light in a narrower wavelength band, have high stability, have excellent fluorescence emission property in a visible light region, have continuous distribution of an excitation spectrum, and have the position of a fluorescence peak which can be regulated and controlled along with the physical size of the fluorescence peak. The common diffusion plate needs to be realized by matching with a quantum dot film, the thickness of the diffusion plate is increased by the quantum dot film, and the assembly process of the diffusion plate is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an integrated light conversion glass diffusion plate aiming at the problems that the weather resistance of the plastic diffusion plate is poor, the thickness of the diffusion plate is increased by the conventional quantum dot film, and the processing cost is increased; the utility model discloses an integral type light conversion glass diffuser plate, the colour gamut is higher, and the color expression is better, and thickness is thinner, and the processing cost is lower.
The utility model discloses a realize through following technical scheme:
an integrated light conversion glass diffusion plate is characterized by comprising a glass substrate, a diffusion layer, a quantum dot light conversion layer, an adhesive layer and an optical film; the diffusion layer is arranged on the light-emitting surface of the glass substrate, the quantum dot light conversion layer is attached to the diffusion layer, and the optical film is bonded to the quantum dot light conversion layer through the bonding layer. The utility model discloses with the inside of quantum dot integral type embedding glass diffuser plate, reduce the use of quantum membrane, the cost is reduced, and owing to reduced the use of quantum membrane, make the utility model discloses an integral type light conversion glass diffuser plate thickness reduces by a wide margin. Additionally, the utility model discloses an integral type light conversion glass diffuser plate is through setting up the adhesive linkage has played the bonding promptly the effect of blooming has still played the effect of isolated moisture and oxygen simultaneously, has further improved quantum dot's stability has solved the problem that quantum dot is afraid of water oxygen.
Further, the diffusion layer is formed by coating a light diffusion material on the glass substrate and curing. The light diffusion material is attached to the light emergent surface of the glass substrate, the bonding force between the light diffusion material and the glass substrate is increased after the light diffusion material is solidified, and the diffusion layer can scatter incident light so that the light emergent is more uniform.
Furthermore, the quantum dot light conversion layer is formed by dispersing quantum dots in silica gel ink or UV (ultraviolet) gel, coating the silica gel ink or UV gel on the diffusion layer and curing the silica gel ink or UV gel. The quantum dot light conversion layer has insufficient adhesion with the glass substrate, and the light diffusion material can also be used as a medium to improve the adhesion with the glass substrate and prolong the service life.
Furthermore, scattering patterns for increasing the light scattering effect are arranged on the light incident surface of the glass substrate. Preferably, the glass substrate can be flat glass or patterned glass. Preferably, the light incident surface of the glass substrate is provided with scattering patterns, so that the scattering effect of incident light can be further improved, and the emergent light is more uniform. Specifically, the scattering patterns are arranged on one side of the glass substrate, which is far away from the diffusion layer.
Further, the thickness of the diffusion layer is 30-80 μm; the thickness of the quantum dot light conversion layer is 5-40 μm.
Furthermore, the material of the bonding layer is optical cement. Preferably, the optical cement has high light transmittance and good bonding strength, and can be cured and molded at room temperature.
The utility model has the advantages that:
(1) the utility model discloses an integral type light conversion glass diffuser plate with the inside of quantum dot integral type embedding glass diffuser plate, reduces the use of quantum membrane, the cost is reduced, and owing to reduced the use of quantum membrane for product thickness reduces by a wide margin. The utility model discloses an optical cement has played the effect that bonds the blooming on quantum dot light conversion layer promptly, has still played the effect of isolated moisture and oxygen simultaneously, has further improved quantum dot's stability, has solved quantum dot and has been afraid of the problem of water oxygen. The utility model discloses a diffusion layer increase and the glass substrate between the adhesion, and can scatter incident light for the light-emitting is more even. In addition, the adhesive force between the silica gel ink or the UV glue and the glass substrate is not enough, and the diffusion layer can be used as an adhesive medium to improve the adhesive force with the glass substrate and prolong the service life.
(2) The utility model discloses an integral type light conversion glass diffuser plate, its colour gamut is higher (embedding quantum dot light conversion layer can improve colour gamut 30%), and the color expression is better, and thickness is thinner, and the processing cost is low, long service life.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of the integrated light conversion glass diffuser plate of the present invention.
In the figure: 1 glass substrate, 2 diffusion layers, 3 quantum dot light conversion layers, 4 adhesive layers, 5 optical films, 6 scattering patterns, 21 diffusion particles, 31 quantum dots.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1
An integrated light conversion glass diffusion plate comprises a glass substrate 1, a diffusion layer 2, a quantum dot light conversion layer 3, an adhesive layer 4 and an optical film 5; the diffusion layer 2 is arranged on the light-emitting surface of the glass substrate 1, the quantum dot light conversion layer 3 is attached to the diffusion layer 2, and the optical film 5 is bonded to the quantum dot light conversion layer 3 through the bonding layer 4 (the bonding layer 4 is made of optical cement); the diffusion layer 2 is formed by coating a light diffusion material on the glass substrate 1 and curing (the diffusion layer 2 contains diffusion particles 21); the quantum dot light conversion layer 3 is formed by dispersing quantum dots 31 in UV glue, coating the UV glue on the diffusion layer 2 and curing the UV glue.
Preferably, the light incident surface of the glass substrate 1 is provided with a scattering pattern 6, and the scattering pattern 6 is used for increasing the scattering effect of incident light. Preferably, the thickness of the diffusion layer 2 is set to 60 μm, and the thickness of the quantum dot light conversion layer 3 is set to 20 μm.
The integrated light converting glass diffuser plate color gamut (sRGB) and service life of example 1 were tested using a blue light source, as detailed in table 1.
Example 2
An integrated light conversion glass diffusion plate comprises a glass substrate 1, a diffusion layer 2, a quantum dot light conversion layer 3, an adhesive layer 4 and an optical film 5; the diffusion layer 2 is arranged on the light-emitting surface of the glass substrate 1, the quantum dot light conversion layer 3 is attached to the diffusion layer 2, and the optical film 5 is bonded to the quantum dot light conversion layer 3 through the bonding layer 4 (the bonding layer 4 is made of optical cement); the diffusion layer 2 is formed by coating a light diffusion material on the glass substrate 1 and curing (the diffusion layer 2 contains diffusion particles 21); the quantum dot light conversion layer 3 is formed by dispersing quantum dots 31 in silica gel ink, coating the silica gel ink on the diffusion layer 2 and curing the silica gel ink.
Preferably, the light incident surface of the glass substrate 1 is provided with a scattering pattern 6, and the scattering pattern 6 is used for increasing the scattering effect of incident light. Preferably, the thickness of the diffusion layer 2 is set to 30 μm and the thickness of the quantum dot light conversion layer 3 is set to 10 μm.
The integrated light converting glass diffuser plate color gamut (sRGB) and service life of example 2 were tested using a blue light source, as detailed in table 1.
Comparative example 1
An integrated light conversion glass diffusion plate comprises a glass substrate 1, a quantum dot light conversion layer 3, an adhesive layer 4 and an optical film 5; the quantum dot light conversion layer 3 is directly arranged on the light-emitting surface of the glass substrate 1, and the optical film 5 is bonded on the quantum dot light conversion layer 3 through the bonding layer 4 (the material of the bonding layer 4 is optical glue); the quantum dot light conversion layer 3 is formed by dispersing quantum dots 31 in UV glue, coating the UV glue on the diffusion layer 2 and curing the UV glue. Preferably, the light incident surface of the glass substrate 1 is provided with scattering patterns 6, and the scattering patterns 6 are used for increasing the scattering effect of incident light; the thickness of the quantum dot light-converting layer 3 was set to 20 μm.
Comparative example 1 is different from example 1 in that comparative example 1 does not have the diffusion layer 2, and comparative example 1 is such that the quantum dot light conversion layer 3 is directly disposed on the light emitting surface of the glass substrate 1, and the rest is the same as example 1.
The color gamut and the service life of the prepared diffusion plate are tested by adopting a blue light source, and the details are shown in table 1.
Comparative example 2
An integrated light conversion glass diffusion plate comprises a glass substrate 1, a diffusion layer 2 and an optical film 5; the diffusion layer 2 is arranged on the light-emitting surface of the glass substrate 1, and the optical film 5 is directly attached to the diffusion layer 2; the diffusion layer 2 is formed by coating a light diffusion material on the glass substrate 1 and curing.
Comparative example 2 is different from example 1 in that the quantum dot light-converting layer 3 and the adhesive layer 4 are not provided in comparative example 2, and comparative example 2 is the same as example 1 except that the optical film 5 is directly attached to the diffusion layer 2.
The color gamut and the service life of the prepared diffusion plate are tested by adopting a white light source, and the details are shown in table 1. TABLE 1 Performance parameters of Integrated light conversion glass diffuser plates of examples 1-2 and comparative examples 1-2 of the present invention
| Examples | Color gamut sRGB | Service life/h |
| Example 1 | ＞130％ | Qualified after more than 25000h |
| Example 2 | ＞130％ | Qualified after more than 25000h |
| Comparative example 1 | ＞130％ | Fail to be qualified |
| Comparative example 2 | 100％ | Qualified |
As can be seen from the comparative example 1 and the test data, the quantum dot light conversion layer 3 is directly coated on the surface of the glass substrate 1, so that the adhesive force is poor, the service life of the diffusion plate is greatly influenced, and the service life is unqualified; as can be seen from the test data of comparative example 2 and tables 1 and 2 above, embedding the quantum dot light conversion layer 3 can increase the diffuser color gamut by 30%.
The above is that the preferred embodiment of the present invention is only used for explaining the present invention, and is not used for limiting the present invention. All obvious changes or variations led by the technical proposal of the utility model are still within the protection scope of the utility model.
Claims (6)
1. An integrated light conversion glass diffusion plate is characterized by comprising a glass substrate (1), a diffusion layer (2), a quantum dot light conversion layer (3), an adhesive layer (4) and an optical film (5); the diffusion layer (2) is arranged on the light-emitting surface of the glass substrate (1), the quantum dot light conversion layer (3) is attached to the diffusion layer (2), and the optical film (5) is bonded to the quantum dot light conversion layer (3) through the bonding layer (4).
2. The integrated light conversion glass diffuser plate according to claim 1, wherein the diffuser layer (2) is formed by coating a light diffusion material on the glass substrate (1) and curing.
3. The integrated light conversion glass diffusion plate according to claim 1, wherein the quantum dot light conversion layer (3) is formed by dispersing quantum dots in silica gel ink or UV gel, coating the silica gel ink or UV gel on the diffusion layer (2) and curing the silica gel ink or UV gel.
4. The integrated light conversion glass diffuser plate according to claim 1, wherein the light incident surface of the glass substrate (1) is provided with scattering patterns (6) for increasing light scattering effect.
5. The integrated light converting glass diffuser plate according to claim 1, wherein the thickness of said diffuser layer (2) is 30-80 μm; the thickness of the quantum dot light conversion layer (3) is 5-40 μm.
6. The integrated light conversion glass diffuser plate according to claim 1, wherein the material of the bonding layer (4) is optical glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202022851293.8U CN213689990U (en) | 2020-12-01 | 2020-12-01 | Integral type light conversion glass diffuser plate |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022851293.8U CN213689990U (en) | 2020-12-01 | 2020-12-01 | Integral type light conversion glass diffuser plate |
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| CN213689990U true CN213689990U (en) | 2021-07-13 |
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| CN202022851293.8U Active CN213689990U (en) | 2020-12-01 | 2020-12-01 | Integral type light conversion glass diffuser plate |
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