CN217879890U

CN217879890U - Light modulation assembly

Info

Publication number: CN217879890U
Application number: CN202221395815.0U
Authority: CN
Inventors: 李民; 王磊
Original assignee: Shanghai HIUV Applied Materials Technology Co Ltd; Shanghai HIUV New Materials Co Ltd
Current assignee: Shanghai HIUV Applied Materials Technology Co Ltd; Shanghai HIUV New Materials Co Ltd
Priority date: 2022-05-28
Filing date: 2022-05-28
Publication date: 2022-11-22
Anticipated expiration: 2032-05-28

Abstract

The utility model relates to a subassembly field of adjusting luminance discloses a subassembly of adjusting luminance, including outer glass and interior bottom material layer, be provided with liquid crystal dimming layer between outer glass and the interior bottom material layer, be provided with the substrate layer that is used for reducing the subassembly luminousness of adjusting luminance between outer glass and the interior bottom material layer, the substrate layer of at least one side is grey PET layer, and the L value of substrate layer is 5-50, and the substrate layer is greater than 60% to 700nm-2500 nm's infrared light separation rate, and liquid crystal dimming layer and substrate layer are less than 30% to visible light luminousness. This application has and to coordinate through grey substrate layer and liquid crystal light modulation layer for the subassembly of adjusting luminance has lower luminousness, and grey PET substrate layer manufacturing cost is lower, reaches the higher effect of the subassembly cost of adjusting luminance that improves the lower luminousness of production.

Description

Light modulation assembly

Technical Field

The application relates to the field of dimming glass, in particular to a dimming assembly.

Background

The light modulation glass is a novel special photoelectric glass product with a sandwich structure, wherein a light modulation film is compounded between two layers of glass and is integrally formed after high-temperature and high-pressure gluing. The transparent and opaque states of the glass are controlled by a user by controlling the on-off state of the current.

At present, a dimming film of the existing dimming glass is mainly made of substances with photoelectric activity such as liquid crystal, dichroic dye and the like, the dimming film is electrically connected with an electric control product, when the electric control product is powered off, liquid crystal molecules in the dimming film of the dimming glass are in an irregular dispersion state, and incident light is scattered at the moment, so that the dimming glass is in an opaque state; when the electric control product is powered on, liquid crystal molecules in the dimming film of the dimming glass are in a regular state, and incident light rays cannot be scattered, so that the dimming glass is in a transparent state. The existing light control glass mainly has two methods for adjusting the light transmittance, one is to add dichromatic dye and other substances with photoelectric activity into the light control film, and the other is to use grey inner layer and outer layer glass.

For the above related technologies, when the light control glass is applied to the condition of protecting the privacy of the user, the light control glass has a relatively strict requirement on the light transmittance, and at this time, the light control glass needs to have a relatively low light transmittance.

SUMMERY OF THE UTILITY MODEL

In order to improve the higher problem of the subassembly cost of adjusting luminance of producing lower luminousness, this application provides a subassembly of adjusting luminance.

The application provides a subassembly of adjusting luminance adopts following technical scheme:

the utility model provides a dimming component, includes outer glass and interior bottom material layer, be provided with liquid crystal dimming layer between outer glass and the interior bottom material layer, be provided with the substrate layer that is used for reducing dimming component luminousness between outer glass and the interior bottom material layer, one side at least the substrate layer is grey PET layer, just the L value of substrate layer is 5-50, the substrate layer is greater than 60% to 700nm-2500 nm's infrared light separation rate, liquid crystal dimming layer and substrate layer are less than 30% to visible light luminousness.

Through adopting above-mentioned technical scheme, when the liquid crystal dimming layer of the subassembly of adjusting luminance is in the outage state, the intraformational liquid crystal molecule of liquid crystal dimming presents anomalous scattering state, incident light is scattered this moment, make the subassembly of adjusting luminance present opaque state, thereby the luminousness of the subassembly of adjusting luminance has been reduced, grey PET substrate layer carries out the separation to the visible light in the incident light and the infrared light of 700nm-2500nm simultaneously, the subassembly of adjusting luminance has further reduced the luminousness of the subassembly of adjusting luminance when having increased the subassembly of adjusting luminance to infrared light separation effect, thereby make the subassembly of adjusting luminance have lower luminousness, be used for realizing the protection to user's privacy, and the manufacturing cost of grey PET substrate layer is compared in adding the material that has photoelectric activity such as dichroism dyestuff in the liquid crystal dimming in situ and the manufacturing cost who uses grey glass is lower, thereby the manufacturing cost of the subassembly of adjusting luminance has been reduced.

Preferably, be provided with transparent conducting layer and bond line between the outer glass substrate layer, bond line, substrate layer and transparent conducting layer all are provided with two-layerly bond line, substrate layer and transparent conducting layer are equallyd divide respectively the symmetry and set up the both sides at liquid crystal dimming layer, just liquid crystal dimming layer sets gradually transparent conducting layer, substrate layer and bond line towards outer glass or interior substrate layer direction.

Through adopting above-mentioned technical scheme, two-layer transparent conducting layer can absorb the incident ray of part by liquid crystal dimming layer scattering, further reduces the luminousness of the subassembly of adjusting luminance, and two-layer substrate layer carries out the separation to the visible light in the incident ray, further reduces the luminousness of the subassembly of adjusting luminance, and two-layer bond line is consolidated the substrate layer for it is more firm to fix between substrate layer and outer glass or the interior substrate layer.

Preferably, a nano silver layer is arranged between the liquid crystal dimming layer and the outer layer glass.

By adopting the technical scheme, the nano silver layer can reflect infrared light, so that the infrared light blocking effect of the dimming assembly is further improved.

Preferably, the transparent conductive layer is provided as a metal layer or a metal oxide layer.

By adopting the technical scheme, the metal or the metal oxide is sputtered to form the transparent conducting layer in a sputtering mode, so that the transparent conducting layer is more uniform, and the effect of scattering incident light by the transparent conducting layer is improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the gray PET substrate layer is adopted to shield incident light, and the gray PET substrate layer is matched with the liquid crystal dimming layer, so that the light transmittance of the dimming assembly is reduced, the dimming assembly has lower light transmittance and is used for protecting privacy of a user, and the production cost of the gray PET substrate layer is lower, so that the production cost of the dimming assembly is reduced;

2. the transparent conducting layer is adopted to scatter incident light, so that the light transmittance of the dimming assembly is further reduced;

3. through adopting the bond line, the bond line is consolidated the substrate layer for it is more firm to fix between substrate layer and outer glass or the interior substrate layer.

Drawings

FIG. 1 is a schematic diagram of a layer structure of a dimming component of the present application;

description of the reference numerals: 1. outer layer glass; 2. an inner base material layer; 3. a liquid crystal dimming layer; 4. a substrate layer; 5. a transparent conductive layer; 6. an adhesive layer; 7. and a nano silver layer.

Detailed Description

The present application is described in further detail below with reference to fig. 1.

The embodiment of the application discloses a subassembly of adjusting luminance.

Referring to fig. 1, a subassembly of adjusting luminance includes outer glass 1, interior substrate layer 2, installs liquid crystal dimming layer 3 between outer glass 1 and the interior substrate layer 2, and liquid crystal dimming layer 3 is connected with outside automatically controlled product electricity, and in this application, interior substrate layer 2 can select for use to be made for PC, PMMA or glass material. Two substrate layers 4 are arranged between the outer glass 1 and the inner substrate layer 2, the two substrate layers 4 are respectively located on two sides of the liquid crystal dimming layer 3, the substrate layers 4 are preferably PET films made of PET polyester materials, gray nanometer materials are added into the PET films to be made into gray PET films after melting treatment, and the L value of the gray PET films is 5-50. The two substrate layers 4 and the liquid crystal dimming layer 3 form a dimming film. When the dimming assembly is applied to the automobile window glass, a user enables the liquid crystal dimming layer 3 to be in a power-on state through the electric control product, the dimming assembly processes a normal transparent state at the moment, when the user cuts off the power-on state of the liquid crystal dimming layer 3 through the electric control product, liquid crystal molecules in the liquid crystal dimming layer 3 are in an irregular scattering state, incident light is scattered at the moment, and the dimming assembly is enabled to be in an opaque state. Meanwhile, the grey substrate layer 4 of 3 both sides in liquid crystal dimming layer shelters from incident light simultaneously, substrate layer 4 and the cooperation of liquid crystal dimming layer 3 have further reduced the luminousness of subassembly of adjusting luminance, thereby make the luminousness of subassembly of adjusting luminance to visible light be less than 30%, be used for realizing the protection to user's privacy, the manufacturing cost of grey PET substrate layer 4 is compared in adding the material that has photoelectric activity such as dichroism dyestuff and use grey glass's manufacturing cost lower in the liquid crystal dimming in situ, thereby the manufacturing cost of subassembly of adjusting luminance has been reduced.

All paste on the lateral wall that two-layer substrate layer 4 kept away from each other and have bond line 6, and the lateral wall that two-layer bond line 6 kept away from each other glues glutinous mutually with the lateral wall that outer glass 1 and interior substrate layer 2 are close to each other respectively. In the present application, the adhesive layer 6 can be selected as an adhesive film. The two substrate layers 4 are adhered to the outer glass 1 and the inner substrate layer 2 by using the adhesive layer 6, so that the firmness of the substrate layers 4 is increased.

All be provided with nanometer silver layer 7 on the substrate layer 4 is close to the lateral wall of outer glass 1, in this application, nanometer silver layer 7 can be selected for use to form for the sputtering of nanometer silver material. When the power is off, the infrared light blocking rate of the two base material layers to 700-2500 nm is larger than 60%, and the nano silver layer 7 can reflect infrared light, so that the infrared light blocking effect of the dimming assembly is further improved.

The two substrate layers 4 are provided with transparent conductive layers 5 on their side walls, and the transparent conductive layers 5 are preferably formed by sputtering a metal or a metal oxide of a nanomaterial. According to the characteristic of PET membrane self, the PET membrane has certain haze, this definition that just makes substrate layer 4 is relatively poor, and the transparent conducting layer 5 of metal of nano-material can absorb partial liquid crystal dimming layer 3's scattered light, reach the effect that reduces PET membrane self haze, the definition of substrate layer 4 has been improved, thereby the visual effect of the subassembly of adjusting luminance has been promoted, transparent conducting layer 5 absorbs partial liquid crystal dimming layer 3's scattered light simultaneously, thereby further reduce the luminousness of the subassembly of adjusting luminance, through liquid crystal dimming layer 3, substrate layer 4 and transparent conducting layer 5 combined action have further reduced the luminousness of the subassembly of adjusting luminance.

The implementation principle of the embodiment of the application is as follows: transparent conducting layer 5 has been set gradually towards the direction of outer glass 1 in liquid crystal dimming layer 3, nanometer silver layer 7, substrate layer 4 and bond line 6, transparent conducting layer 5 has been set gradually towards the direction of interior substrate layer 2 in liquid crystal dimming layer 3, substrate layer 4 and bond line 6, when the user passes through the on-state of automatically controlled product disconnection liquid crystal dimming layer 3, make the subassembly of adjusting luminance present opaque state, grey substrate layer 4 of liquid crystal dimming layer 3 both sides shelters from incident light simultaneously, substrate layer 4 has further reduced the luminousness of the subassembly of adjusting luminance with the cooperation of liquid crystal dimming layer 3, thereby make the subassembly of adjusting luminance have lower luminousness, be used for realizing the protection to user's privacy, and grey PET substrate layer 4's manufacturing cost is lower, thereby the manufacturing cost of the subassembly of adjusting luminance has been reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a subassembly of adjusting luminance, includes outer glass (1) and interior substrate layer (2), be provided with liquid crystal dimming layer (3), its characterized in that between outer glass (1) and interior substrate layer (2): be provided with between outer glass (1) and interior substrate layer (2) and be used for reducing substrate layer (4) of adjusting luminance subassembly luminousness, one side at least substrate layer (4) are grey PET layer, just the L value of substrate layer (4) is 5-50, substrate layer (4) are greater than 60% to the infrared light separation rate of 700nm-2500nm, liquid crystal light adjusting layer (3) and substrate layer (4) are less than 30% to visible light luminousness.

2. A dimming assembly as claimed in claim 1, wherein: be provided with transparent conducting layer (5) and bond line (6) between outer glass (1) and interior substrate layer (2), bond line (6), substrate layer (4) and transparent conducting layer (5) all are provided with two-layerly bond line (6), substrate layer (4) and transparent conducting layer (5) are equallyd divide respectively the symmetry and set up the both sides in liquid crystal dimming layer (3), just liquid crystal dimming layer (3) set gradually transparent conducting layer (5), substrate layer (4) and bond line (6) to outer glass (1) or interior substrate layer (2) orientation.

3. A dimming component as claimed in claim 1, wherein: and a nano silver layer (7) is arranged between the liquid crystal dimming layer (3) and the outer layer glass (1).

4. A dimming component as claimed in claim 2, wherein: the transparent conductive layer (5) is provided as a metal layer or a metal oxide layer.