CN113867017A

CN113867017A - Multifunctional light modulation device and laminated glass, hollow glass and attached film thereof

Info

Publication number: CN113867017A
Application number: CN202010535550.9A
Authority: CN
Inventors: 张凡; 何嘉智
Original assignee: Shenzhen Guangyi Tech Co Ltd
Current assignee: Shenzhen Guangyi Tech Co Ltd
Priority date: 2020-06-12
Filing date: 2020-06-12
Publication date: 2021-12-31
Anticipated expiration: 2040-06-12
Also published as: WO2021249458A1; CN113867017B

Abstract

The invention relates to a multifunctional dimming device, laminated glass, hollow glass and an attached film thereof, wherein the multifunctional dimming device comprises a driving module, a multifunctional dimming unit layer and base material layers positioned at two sides of the multifunctional dimming unit layer, the multifunctional dimming unit layer comprises a liquid crystal dimming material and an electrochromic dimming material, the driving module is used for providing direct current and/or alternating current for the multifunctional dimming unit layer, and further the multifunctional dimming unit layer is adjusted to play a liquid crystal dimming function and/or an electrochromic dimming function, so that the multifunctional dimming device is suitable for different scenes, and meanwhile, the multifunctional dimming device has the characteristics of simple structure, convenience in application and control and great improvement of use value.

Description

Multifunctional light modulation device and laminated glass, hollow glass and attached film thereof

Technical Field

The invention belongs to the field of light modulation devices, and relates to a multifunctional light modulation device, laminated glass, hollow glass and an attached film thereof.

Background

With the explosion of electrochromic technology, electrochromic devices are beginning to be applied to more and more fields. Especially in the field of dimming glass, compared with the traditional glass, the electrochromic dimming glass has incomparable advantages in the aspects of energy conservation, sun shading and comfort, so the electrochromic dimming glass has wide application prospects in the fields of buildings, automobiles and consumer electronics.

Similarly, the PDLC product with the liquid crystal dimming function is in a transparent state in a power-on state and is in a frosted state in a power-off state, and has a unique privacy function, so that the PDLC product has a wide application prospect in the fields of offices, automobiles, backlight projection and the like.

CN107473607A discloses a laminated electrochromic glass, which comprises a transparent layer, an electrochromic glass layer and a transparent adhesive film for bonding and fixing the transparent layer and the electrochromic glass layer; the transparent layer is a common glass layer, a transparent acrylic plate, a PC plate and an ABS plate; the transparent adhesive film is selected from one or more of PVB film, EVA film, SGP film or PU film. CN205581462U discloses an intelligent heating liquid crystal dimming glass, wherein an upper glass substrate, a heating wire, an upper intermediate layer, an upper transparent conductive film layer, a polymer dispersed liquid crystal layer, a lower transparent conductive film layer, a lower intermediate layer and a lower glass substrate are sequentially tiled and laminated from top to bottom, external electrode leads are respectively led out from the upper transparent conductive film layer and the lower transparent conductive film layer, then two ends of the heating wire are respectively connected with the external electrode leads led out from the two transparent conductive film layers, finally, the intelligent heating liquid crystal dimming glass is synthesized by a vacuum lamination technology, and a control switch is installed at the other end of each external electrode lead; the dimming glass obtained by the scheme has the problem of insufficient dimming effect, and the application scene of the dimming glass is limited;

therefore, the development of a multifunctional dimming device which is simple in structure, meets the requirement of a lightweight market and is low in production cost is still significant.

Disclosure of Invention

The invention aims to provide a multifunctional dimming device, laminated glass, hollow glass and an attached film thereof, wherein the multifunctional dimming device comprises a driving module, a multifunctional dimming unit layer and substrate layers positioned on two sides of the multifunctional dimming unit layer, the multifunctional dimming unit layer comprises a liquid crystal dimming material and an electrochromic dimming material, the driving module is used for providing direct current and/or alternating current for the multifunctional dimming unit layer so as to adjust the multifunctional dimming unit layer to play a liquid crystal dimming function and/or an electrochromic dimming function, and therefore the multifunctional dimming device is suitable for different scenes.

In order to achieve the purpose, the invention adopts the following technical scheme:

in a first aspect, the invention provides a multifunctional light modulation device, which comprises a driving module, a multifunctional light modulation unit layer and substrate layers positioned on two sides of the multifunctional light modulation unit layer; the driving module is used for providing direct current and/or alternating current for the multifunctional dimming unit layer, and the multifunctional dimming unit layer comprises a liquid crystal dimming material and an electrochromic dimming material.

The multifunctional dimming unit layer in the multifunctional dimming device has the functions of liquid crystal dimming and electrochromic dimming; under the drive of the voltage signal output by the driving module, the liquid crystal dimming and/or electrochromic dimming effect can be exerted, so that the application scene is obviously widened and the control is convenient; when the driving module outputs a low-voltage direct-current power supply, the electrochromic dimming material is subjected to valence state change, so that transparent state and colored state conversion is realized; when the driving module outputs a high-voltage alternating-current power supply, the molecular arrangement of the liquid crystal dimming material is changed from disorder to order, the conversion from a frosted state to a transparent state is realized, the liquid crystal dimming material is suitable for various scenes, the device has a simple structure, and the application and control are convenient, so that the scientific and technological sense and the use value of the device are greatly improved; when the driving module simultaneously outputs the low-voltage direct-current power supply and the high-voltage alternating-current power supply, the electrochromic dimming material can be simultaneously controlled to be converted between a transparent state and a colored state, and the liquid crystal dimming material can be simultaneously controlled to be converted between a frosted state and a transparent state.

The multifunctional dimming unit layer has the functions of liquid crystal dimming (PDLC) and electrochromic dimming (EC), and can be suitable for different scenes through different control modes; for example, when the electrochromic dimming material is in a transparent state and the liquid crystal dimming material is in a transparent state, the liquid crystal dimming material is suitable for daily lighting requirements; when the electrochromic dimming material is in a transparent state and the liquid crystal dimming material is in a frosted state, the liquid crystal dimming material is suitable for lighting and protects privacy; when the electrochromic dimming material is in a colored state and the liquid crystal dimming material is in a transparent state, the liquid crystal dimming material is suitable for the functions of shading sun and viewing; when the electrochromic dimming material is in a colored state and the liquid crystal dimming material is in a frosted state, the liquid crystal dimming material is suitable for privacy and projection functions; in addition, diversified dimming states can also generate abundant visual effects, and the method is suitable for creating diversified product appearances.

Preferably, the multifunctional dimming unit layer comprises a composite color-changing material layer and conductive layers positioned on two sides of the composite color-changing material layer, and the conductive layers are connected with the driving module;

the composite color-changing material layer comprises a cathode electrochromic material layer, an electrolyte and liquid crystal mixed layer and an anode electrochromic material layer which are sequentially connected, wherein the electrolyte in the electrolyte and liquid crystal mixed layer is a gel-state electrolyte; the liquid crystal herein refers to a liquid crystal dimming material;

or the composite color-changing material layer is a mixed layer comprising a cathode electrochromic material, an anode electrochromic material, electrolyte and liquid crystal, and the electrolyte is gel-state electrolyte; the liquid crystal herein refers to a liquid crystal dimming material.

The electrochromic dimming material comprises a cathode electrochromic dimming material layer and/or an anode electrochromic dimming material, wherein the cathode electrochromic material layer contains a cathode electrochromic material, and the anode electrochromic material layer contains an anode electrochromic material.

The multifunctional dimming unit layer adopts a composite color-changing material layer, and comprises two structures: one is as follows: the composite color-changing material layer comprises a cathode electrochromic material layer, an electrolyte and liquid crystal mixing layer and an anode electrochromic material layer which are sequentially connected, conductive layers are positioned on the outer sides of the cathode electrochromic material layer and the anode electrochromic material layer, a liquid crystal dimming material is positioned in the electrolyte, and the liquid crystal dimming material is connected with a driving module through the two conductive layers, so that the multifunctional dimming unit layer has dual functions of electrochromic dimming and liquid crystal dimming; the second is that: the composite color-changing material layer is a mixed layer comprising a cathode electrochromic material, an anode electrochromic material, an electrolyte and liquid crystal, the cathode, the anode electrochromic material, the electrolyte and the liquid crystal are uniformly mixed to form the mixed layer, conducting layers are arranged on two sides of the mixed layer, and the mixed layer is connected with a driving module and receives signals of the driving module to realize the dual functions of liquid crystal dimming and electrochromic dimming; the multifunctional dimming unit layer has the advantages of simple structure and low manufacturing cost, has better dimming effect, is convenient to apply and control, and has wider applicable scenes.

Here the electrolyte is homogeneously mixed with the electrolyte and the liquid crystal in the liquid crystal mixing layer.

Preferably, the multifunctional dimming unit layer comprises a liquid crystal dimming layer and an electro-variable dimming layer, two sides of the liquid crystal dimming layer and two sides of the electro-variable dimming layer are respectively and independently provided with a conductive layer, and the conductive layers are connected with the driving module.

The multifunctional dimming unit layer adopts a composite layer of a liquid crystal dimming layer and an electro-variable dimming layer, and two sides of the liquid crystal dimming layer and the electro-variable dimming layer are respectively and independently provided with a conductive layer; the conductive layer is connected with the driving module, and the driving module respectively outputs direct current and alternating current signals, so that dual functions of liquid crystal dimming and electrochromic dimming are realized.

Preferably, a substrate interlayer is arranged between the liquid crystal dimming layer and the electrochromic dimming layer, and the substrate interlayer is positioned between the conductive layers.

Preferably, the number of the substrate interlayer is 1, and two conductive layers located between the liquid crystal dimming layer and the electrochromic dimming layer are connected to two sides of the substrate interlayer.

In the invention, when only one substrate interlayer is arranged between two conducting layers positioned between the liquid crystal dimming layer and the electro-variable dimming layer, the two conducting layers are respectively plated on the two side surfaces of the substrate interlayer.

Preferably, the number of the base material interlayers is two, and the two base material interlayers are connected through a bonding layer; two conductive layers positioned between the liquid crystal dimming layer and the electrochromic dimming layer are respectively connected to two sides of the bonded substrate interlayer.

Preferably, the material of the bonding layer between the two substrate interlayers is selected from ultraviolet curing glue, heat curing glue or glue in other forms; or the bonding layer can also adopt at least one of transparent laminating double faced adhesive tape, thermoplastic OCA optical adhesive tape or PVB adhesive tape.

Preferably, the conductive layer is a transparent metal conductive layer (TCO), preferably Indium Tin Oxide (ITO).

Preferably, the conductive layer is a multilayer composite structure, for example, the multilayer composite structure includes an ion barrier layer (e.g., SiO)₂) Nano silver/indium tin oxide or ion barrier/indium tin oxide/nano silver/indium tin oxide or other similar structures;

the invention adopts the multilayer composite structure to optimize the conductivity and reduce the brittleness of the conductive layer.

Preferably, the conductive layer is selected from a metal plating layer having a reflective effect, such as a silver plating layer, which has a conductive effect on one hand and a good reflective effect on the other hand, and when the conductive layer is used for electronic terminal housing decoration or appearance decorative films, etc., the conductive layer located farthest from the user's sight line uses the metal plating layer having the reflective effect, so that the color effect of the multifunctional dimming unit layer can be sufficiently reflected, and thus, a variety of visual effects can be achieved.

Preferably, the metal coating layer with a reflection effect is used for reflecting light passing through the liquid crystal dimming layer and the electro-variable dimming layer.

Preferably, the electrochromic layer is a single-layer structure formed by distributing a cathode electrochromic material and an anode electrochromic material in an electrolyte.

And/or the electrochromic layer is a composite layer of a cathode electrochromic material layer, an electrolyte layer and an anode electrochromic material layer.

Preferably, the multifunctional dimming unit layer comprises a liquid crystal dimming layer and an electro-variable dimming layer, and the electrolyte is in any one of a liquid state, a semi-solid state or a solid state.

The multifunctional dimming unit layer comprises a composite color-changing material layer, and an electrolyte in the composite color-changing material layer is a gel-state electrolyte.

Preferably, a metal plating layer with a reflection effect is arranged on the surface of the base material layer.

In a preferred embodiment of the present invention, the conductive layer is a transparent layer, and the inner and/or outer surface of the substrate layer is provided with a metal plating layer having a reflective effect, such as a silver plating layer, and when the conductive layer is used for electronic terminal housing decoration or an appearance decorative film, the metal plating layer having a reflective effect is used on the surface of the substrate layer located farther from the line of sight of a user, which can sufficiently reflect the color effect of the multifunctional dimming cell layer, thereby providing various visual effects.

Preferably, the material of the substrate layer is selected from at least one of glass, ceramic material, glass ceramic material or high polymer material.

Preferably, the substrate layer has a thickness of 0.05mm to 25mm, such as 0.1mm, 0.5mm, 1mm, 3mm, 5mm, 7mm, 10mm, 13mm, 15mm, 18mm, 20mm, 22mm, or the like.

Preferably, a lead-out structure is arranged on the multifunctional dimming unit layer, one end of the lead-out structure is connected with the driving module, and the other end of the lead-out structure is connected to the conducting layer in the multifunctional dimming unit layer.

Preferably, the material of the extraction structure is at least one selected from a metal simple substance, a non-metal semiconductor conductive substance or a conductive metal oxide.

Preferably, the lead-out structure is selected from at least one of a flexible circuit board, a rolled copper foil, a rolled aluminum foil, an electrolytic copper foil, or an electrolytic aluminum foil.

Preferably, the multifunctional dimming unit layer comprises a liquid crystal dimming layer and an electrochromic dimming layer, the leading-out mechanism comprises a first wire and a second wire, a conductive layer on one side of the liquid crystal dimming layer is connected with a conductive layer on one side of the electrochromic dimming layer through the first wire, and a conductive layer on the other side of the liquid crystal dimming layer is connected with a conductive layer on the other side of the electrochromic dimming layer through the second wire; the driving module is connected with the first lead and the second lead.

Preferably, Conductive silver paste, Conductive silver foil, Conductive copper foil, Conductive aluminum foil or other Conductive materials can be arranged on the surface of the Conductive layer to enhance the Conductive performance of the Conductive layer, and the Conductive materials can be deposited on the surface of the Conductive layer and can also be adhered to the surface of the Conductive layer by means of Conductive adhesive/Conductive tape/anisotropic Conductive film (acf). The leading-out structure can be directly connected with the conducting layer or connected with a conducting material arranged on the surface of the conducting layer; the means of attachment include, but are not limited to, deposition, adhesion by conductive glue/tape/ACF, etc.

Preferably, a metal grid is arranged between the conductive layer and the base material layer.

According to the invention, the metal grid is arranged between the conductive layer and the substrate layer, so that the conductivity can be obviously enhanced, and the color change speed is improved. The grid strips of the metal grid are distributed in a longitudinal and transverse mode or in a cross mode.

Preferably, the spacing between adjacent metal grid strips in the metal grid is 100nm-15mm, such as 1 μm, 10 μm, 100 μm, 1mm, 3mm, 5mm or 10mm, etc., and the width of the metal grid strips is 50nm-0.5mm, such as 100nm, 1 μm, 10 μm, 50 μm, 100 μm, 200 μm, 300 μm or 400 μm, etc.

As a preferred technical solution of the present invention, an additional functional layer and/or a pattern layer is further disposed inside the multifunctional light modulation device; thereby optimizing the function of the device and widening the application range, wherein the additional functional layer comprises but is not limited to an infrared reflecting layer and/or an infrared absorbing layer; the pattern layer is obtained by processing a conductive layer, a cathode electrochromic material layer, an electrolyte and liquid crystal mixed layer or an anode electrochromic material layer in the prior art.

As a preferred technical solution of the present invention, an additional layer is further superimposed on the exterior of the multifunctional light modulation device, and the additional layer includes, but is not limited to, a pattern layer, a texture layer, an anti-reflection layer, a color layer, an ink layer, or a filter layer. As a preferred embodiment of the present invention, the additional layer may be disposed inside the multifunctional light modulation device.

Preferably, the voltage signal output by the driving module is:

U＝naD₁+f(b)D₂；

wherein a is the maximum direct current voltage value, a is 0.1-10V, preferably 0.5-5V, and the specific value of a is determined according to the type of the electrochromic dimming material; n is a direction coefficient and takes the value of 1 or-1; d₁The range is 0-100% for regulating the coefficient; the direction adjustment of the direct current voltage is realized by adjusting the direction coefficient n, and the direct current voltage in the voltage signal output by the driving module is controlled to be in a forward direction or a reverse direction. By adjusting the coefficient D₁The regulation of the voltage regulator is realized, whether the direct current voltage is output or not and the output direct current voltage value are regulated, the output direct current voltage value can be regulated and controlled between 0 and a, and when the output direct current voltage value is 0, the driving module does not output a direct current voltage signal; coefficient of regulation D₁The duty ratio can be adjusted by a duty ratio adjusting circuit, and the specific duty ratio adjusting circuit is the prior art known by those skilled in the art, and the present invention is not described herein again.

f (b) is the output alternating voltage signal, and the type can be sine wave alternating current signal, square wave alternating current signal, triangle wave alternating current signal, etc.; preferably, the square wave generating circuit is selected from square wave alternating current signals, and can be realized by a square wave generator in the prior art and the like; the specific values of the parameters of the amplitude, the frequency and the like of the alternating voltage of (f) and (b) are determined according to the type of the liquid crystal dimming material. D₂The conduction coefficient is 0 or 1; by the pair conduction coefficient D₂So as to realize the regulation of the output alternating voltage, when the conduction coefficient D is₂When the voltage is 0, no AC voltage signal is output, and the conduction coefficient D is₂When the voltage is 1, outputting an alternating voltage signal; coefficient of conductivity D₂The driving circuit can be implemented by adding a switching circuit and the like to the driving module, the specific switching circuit is the prior art mastered by those skilled in the art, and the details of the present invention are not repeated herein.

In the multifunctional light modulation device, the value a in the output voltage signal is determined according to the electrochromic light modulation material, the value f (b) in the output voltage signal is determined according to the type of the liquid crystal light modulation material, and the driving module performs the comparison of n and D in the formula₁And D₂And adjusting to control the type of the voltage signal output by the driving module and parameters such as the size, the frequency and the direction of different types of voltages. When only liquid crystal dimming is carried out, the driving module outputs an alternating current signal; when only the electro-variable dimming is carried out, the driving module outputs a direct current signal; when liquid crystal dimming and electro-variable dimming are simultaneously performed, the driving module outputs an alternating current plus direct current signal.

The invention realizes different controls by perfectly fusing electrochromic dimming and liquid crystal dimming, thereby being applied to different scenes; the film is applied to electronic terminal shells, appearance decorative films and the like, and can achieve visual effects of appearance diversity; furthermore, the scheme of adopting the metal coating can fully reflect the color effect of the multifunctional dimming unit layer, so that the dazzling visual effect is achieved; further, a functional layer and/or a pattern layer is superposed inside and outside the multifunctional dimming device according to the requirements of a specific scene; therefore, the multifunctional device has a more dazzling visual effect and better product performance.

In a second aspect, the present invention provides an laminated glass, including the multifunctional light modulating device according to the first aspect, wherein a first panel and a second panel are respectively disposed on two sides of the multifunctional light modulating device, and the first panel and the multifunctional light modulating device and the second panel and the multifunctional light modulating device are respectively and independently connected through an adhesive layer.

The laminated glass is internally provided with the multifunctional light modulation device, so that the multifunctional light modulation function is realized; and the arrangement of the first panel and the second panel has a protection effect on the multifunctional dimming device, so that the phenomenon that the multifunctional dimming device is damaged in the using and transporting processes is avoided.

Preferably, the area of the first panel and the second panel is equal to or larger than the area of the multifunctional dimming device.

Preferably, an area of the adhesive layer is larger than an area of the multifunctional dimming device.

The area of the bonding layer positioned on the two sides of the multifunctional dimming device is larger than that of the multifunctional dimming device, and the extra area of the bonding layer can cover the edge of the multifunctional dimming device, so that the protection effect is achieved, and the stability of the multifunctional dimming device is improved.

Preferably, a dimming sealing member is disposed between the first panel and the second panel corresponding to a circumference of the multifunctional dimming device.

The setting of the light modulation sealing piece is beneficial to protecting a multifunctional light modulation device, avoids the influence of uncertain factors in the environment, improves the stability of the device and prolongs the service life of the device.

Preferably, the material of the light adjusting sealing member is selected from silicone rubber, butyl rubber, polysulfide rubber or other materials with sealing function or a glass frit ring.

Preferably, the materials of the first panel and the second panel are respectively and independently selected from any one or a combination of at least two of a glass material, a ceramic material, a glass-ceramic material or a high polymer material.

Preferably, the first panel and the second panel are each independently of the other curved and/or planar structures.

Preferably, the first and second panels each independently have a thickness of 0.1mm to 100mm, such as 0.5mm, 1mm, 10mm, 20mm, 30mm, 40mm, 50mm, 60mm, 70mm, 80mm or 900mm, etc., preferably 0.2 to 30 mm.

Preferably, the thickness of the adhesive layer is 0.1 μm to 30mm, such as 0.5mm, 1mm, 5mm, 10mm, 15mm, 20mm, 25mm or the like, preferably 1 μm to 5 mm.

Preferably, the material of the adhesive layer is selected from any one of or a combination of at least two of polyvinyl butyral (PVB), Ethylene Vinyl Acetate (EVA), Thermoplastic Polyurethane (TPU), OCA optical cement (optical cement), ionomer (ionomer), or ionoplast (ionoplast), or a material thereof with a certain color.

Preferably, a panel interlayer is arranged between the two substrate interlayers between the liquid crystal dimming layer and the electrochromic dimming layer in the laminated glass, and the panel interlayer is connected with the two substrate interlayers through a bonding layer.

Preferably, the material of the panel interlayer is selected from any one or a combination of at least two of a glass material, a ceramic material, a glass-ceramic material or a high polymer material.

Preferably, the thickness of the layer of composite color-changing material is selected from 1 μm to 5mm, such as 5 μm, 10 μm, 25 μm, 50 μm, 100 μm, 200 μm, 500 μm, 1mm, 2mm, 3mm or 4mm, etc.

Preferably, the thickness of the electro-variable color shading layer is selected from 1 μm to 5mm, such as 5 μm, 10 μm, 25 μm, 50 μm, 100 μm, 200 μm, 500 μm, 1mm, 2mm, 3mm, 4mm, or the like.

Preferably, the thickness of the liquid crystal dimming layer is selected from 1 μm to 5 μm, such as 1.5 μm, 2 μm, 2.5 μm, 3 μm, 3.5 μm, 4 μm or 4.5 μm, and the like, preferably 3 to 5 μm.

Preferably, a thickness of an adhesive layer between the liquid crystal dimming layer and the electro-variable dimming layer is smaller than a thickness of an adhesive layer located outside the multifunction dimming device.

Preferably, the material of the bonding layer between the liquid crystal dimming layer and the electrochromic dimming layer is OCA optical adhesive.

The arrangement is adopted, the adhesive layer is positioned at the innermost part of the laminated glass, and in the process of preparing the laminated glass in one-step packaging, the laminated glass is difficult to be completely melted or easily has defects such as bubbles and the like on the basis of not influencing the performance of the multifunctional dimming unit layer device in the packaging process; the above problems can be effectively avoided by adopting the above arrangement; similarly, the light modulation layer can be packaged in two steps, that is, the light modulation layer and the liquid crystal layer are bonded into a whole through a transparent adhesive to form the multifunctional light modulation unit layer, and then the packaging is carried out, so that the problems are avoided.

Preferably, the areas of the liquid crystal dimming layer and the electrochromic dimming layer are equal to or less than the area of the adhesive layer.

Preferably, the liquid crystal dimming layer and the electrochromic dimming layer can be formed by single or multiple spliced layers; the shape, size, number and color of the product are not limited; for example, the splicing mode includes left-right splicing, front-back splicing and array splicing.

Preferably, the electrochromic dimming layer is positioned on one indoor side, and the liquid crystal dimming layer is positioned on one outdoor side; the laminated glass is used for building glass needing privacy enhancement, and the privacy effect is better.

Preferably, the electrochromic dimming layer is positioned on a far projection side, and the liquid crystal dimming layer is positioned on a near projection side; the laminated glass is used for a projector and has better projection effect.

Preferably, the electrochromic dimming layer is positioned at one side close to the sight of a viewer; the laminated glass is used for appearance decoration, and the visual effect brought by the color change effect of the electrochromic layer is better.

As a preferable technical scheme of the invention, 1 or more layers of functional optimization layers are arranged on one surface or a plurality of surfaces inside and outside each layer of the laminated glass, and the functional optimization layers are selected from plating layers and/or coating layers;

preferably, the material of the function optimization layer is selected from any one of a simple metal, a metal oxide, an inorganic coating or an organic coating or a combination of at least two of the metal, the metal oxide, the inorganic coating or the organic coating.

Preferably, the thickness of the functionally optimized layer is 0nm to 5mm, such as 10nm, 100nm, 1 μm, 10 μm, 100 μm, 1mm, 2mm, 3mm, or 4mm, etc., preferably 100nm to 2 mm.

Preferably, the functionally optimized layer is selected from at least one of a coating, a plating, a pattern, a frosted surface, or a film.

Preferably, the functional optimization layer is selected from a heat-reflective coating, a low-emissivity coating, a light-reflective coating, a Diamond-like carbon (DLC) coating, or a water-repellent hydrophobic coating.

In a third aspect, the present invention provides a hollow glass, including the laminated glass according to the second aspect, a third panel disposed at a distance from the laminated glass, and a first sealing member, wherein one end of the first sealing member abuts against the third panel, and the other end abuts against the laminated glass; a first hollow cavity is defined between the third panel, the first seal, and the second panel, and the first panel and the multi-function dimmer device are located within the first hollow cavity.

The laminated glass is arranged in the hollow structure, so that the influence of various uncertain factors in the environment on the multifunctional light adjusting device can be reduced to the maximum extent, the stable performance of the multifunctional light adjusting device is ensured, and the service life of the multifunctional light adjusting device is prolonged. Meanwhile, in the production and manufacturing process, the multifunctional dimming device is a semi-finished product manufactured in advance, so that the production period of the hollow glass is greatly shortened, the production efficiency is improved, and the hollow glass is easier to produce on a large scale.

Preferably, the insulating glass further comprises two first spacers and two first spacers, the first spacers are located on the inner side of the first sealing member, one of the first spacers is sandwiched between the third panel and the first spacer, and the other first spacer is sandwiched between the second panel and the first spacer; or, one of the first spacers is interposed between the third panel and the first spacer, and the other of the first spacers is interposed between the first panel and the first spacer.

Preferably, the insulating glass further includes an auxiliary functional layer disposed on at least one surface of the first panel, the second panel, and the third panel.

Preferably, at least one of the first, second and third panels is a multi-panel structure; or the first panel, the second panel and the third panel are all in a single-layer panel structure.

Preferably, the first hollow cavity is filled with air, inert gas or vacuum.

Preferably, the first sealing element is used for sealing, isolating water vapor and oxygen in the air from entering the hollow cavity and preventing gas in the hollow cavity from escaping; the material is selected from silicone rubber, butyl rubber, polysulfide rubber or other materials with sealing function or a glass material ring, and the structure of the ring is arranged to substantially surround the first spacing piece.

Preferably, the material of the first spacer is selected from a metal material, a polymer material, a glass material, a ceramic material, a glass-ceramic material or a combination thereof; desiccant materials are added in the inner part of the shell; preferably an aluminum frame loaded with molecular sieves or other drying materials. The moisture absorption device is used for absorbing moisture in the hollow cavity and preventing condensation on the surface of the hollow cavity or the panel; the width of the paper is 0.5mm-500mm, preferably 3mm-20 mm; the thickness is 0.5-500mm, preferably 3-20 mm.

Preferably, the third panel is made of at least one material selected from a glass material, a ceramic material, a glass-ceramic material or a polymer material;

preferably, the surface of the third panel close to one side of the laminated glass is provided with a plating layer, the thickness of the plating layer is 0nm-500 μm, such as 10nm, 100nm, 1 μm, 10 μm, 100 μm, 200 μm, 300 μm or 400 μm, etc., preferably 100nm-50 μm, and the plating layer comprises a low-radiation plating layer or other special plating layer.

Preferably, the width of the first spacer is substantially equal to the width of the first spacer, and the thickness is 50 μm to 50mm, such as 0.1mm, 0.5mm, 1mm, 10mm, 20mm, 30mm, or 40mm, and the like, preferably 0.1mm to 10 mm.

Preferably, the auxiliary functional layer is selected from a plating and/or a coating; the material is selected from one or the combination of at least two of metal simple substance, metal oxide, inorganic coating or organic coating; the thickness is 0nm to 5mm, for example 10nm, 100nm, 1 μm, 10 μm, 100 μm, 1mm, 2mm, 3mm or 4mm, preferably 100nm to 2 mm.

Preferably, the auxiliary functional layer is selected from at least one of a pattern layer, a pattern, a frosted surface or a film.

Preferably, the auxiliary functional layer is selected from a heat reflective coating, a low-emissivity coating, a light reflective coating, a diamond-like coating or a waterproof hydrophobic coating.

In a fourth aspect, the invention further provides a hollow glass, which includes the laminated glass according to the second aspect, a fourth panel and a second sealing element, the fourth panel and the second sealing element are arranged at a distance from the laminated glass, one end of the second sealing element abuts against the fourth panel, and the other end abuts against the laminated glass;

a dimming sealing piece is arranged between the first panel and the second panel in the laminated glass and corresponds to the periphery of the multifunctional dimming device;

a second hollow cavity is defined between the fourth panel, the second seal, and the first panel.

The laminated glass is arranged in the hollow structure, so that the influence of various uncertain factors in the environment on the multifunctional light adjusting device can be reduced to the maximum extent, the stable performance of the multifunctional light adjusting device is ensured, and the service life of the multifunctional light adjusting device is prolonged. Meanwhile, in the production and manufacturing process, as the semi-finished product is manufactured in advance by the multifunctional dimming device, the production period of the hollow glass is greatly shortened, the production efficiency is improved, and the hollow glass is easier to produce on a large scale.

Preferably, the hollow glass further includes two second spacers and a second spacer, the two second spacers are located inside the second sealing member, one of the second spacers is sandwiched between the fourth panel and the second spacer, and the other second spacer is sandwiched between the first panel and the second spacer.

Preferably, the insulating glass further comprises an auxiliary functional layer provided on at least one of the first panel, the second panel and the third panel.

Preferably, the second hollow cavity is filled with air, inert gas or vacuum.

Preferably, the second sealing element is used for sealing, isolating water vapor and oxygen in the air from entering the hollow cavity and preventing gas in the hollow cavity from escaping; the material is selected from silicone rubber, butyl rubber, polysulfide rubber or other materials with sealing function or a glass material ring, and the structure of the ring is arranged to substantially surround the second spacing member.

Preferably, the material of the second spacer is selected from a metal material, a polymer material, a glass material, a ceramic material, a glass-ceramic material or a combination thereof; desiccant materials are added in the inner part of the shell; preferably an aluminum frame loaded with molecular sieves or other drying materials. The moisture absorption device is used for absorbing moisture in the hollow cavity and preventing condensation on the surface of the hollow cavity or the panel; the width of the paper is 0.5mm-500mm, preferably 3mm-20 mm; the thickness is 0.5-500mm, preferably 3-20 mm.

Preferably, the material of the fourth panel is selected from at least one of a glass material, a ceramic material, a glass-ceramic material or a polymer material;

preferably, the surface of the fourth panel close to one side of the laminated glass is provided with a plating layer, the thickness of the plating layer is 0nm-500 μm, such as 10nm, 100nm, 1 μm, 10 μm, 100 μm, 200 μm, 300 μm or 400 μm, etc., preferably 100nm-50 μm, and the plating layer comprises a low-radiation plating layer or other special plating layer.

Preferably, the width of the second spacer is substantially equal to the width of the second spacer, and the thickness is 50 μm to 50mm, for example, 0.1mm, 0.5mm, 1mm, 10mm, 20mm, 30mm, 40mm, etc., preferably 0.1mm to 10 mm.

Preferably, the auxiliary functional layer is selected from a heat reflective coating, a low-emissivity coating, a light reflective coating, a diamond-like carbon coating (DLC), or a waterproof hydrophobic coating.

In a fifth aspect, the present invention provides an adhesive film, which includes the multifunctional light modulating device according to the first aspect, wherein at least one side of the multifunctional light modulating device is provided with an adhesive layer, and an outer layer of the adhesive layer is provided with a peeling layer.

In the using process of the adhesive film, the stripping layer is stripped and then attached to a plane and/or curved surface (such as a transparent glass surface and a non-transparent object surface), so that the modification from a common surface to a multifunctional light adjusting surface can be quickly realized.

Preferably, the substrate layer is made of a waterproof and oxygen-insulating material, preferably glass or a high polymer material.

The above materials are transparent materials or coloring materials.

Compared with the prior art, the invention has the following beneficial effects:

(1) the multifunctional dimming device comprises a driving module, a multifunctional dimming unit layer and substrate layers positioned on two sides of the multifunctional dimming unit layer, wherein the multifunctional dimming unit layer comprises a liquid crystal dimming material and an electrochromic dimming material, and the driving module provides direct current and/or alternating current for the multifunctional dimming unit layer; the multifunctional dimming unit layer is adjusted to play a liquid crystal dimming function and/or an electrochromic dimming function, so that the multifunctional dimming device is suitable for different scenes;

(2) the multifunctional light modulation device has the characteristics of simple structure and convenience in application and control, and the use value is greatly improved.

Drawings

Fig. 1 is a schematic structural diagram of a multifunctional light modulating device according to the present invention;

fig. 2 is a schematic structural diagram of a multifunctional light modulating device according to embodiment a of the present invention;

fig. 3 is a schematic structural diagram of a multifunctional light modulating device according to embodiment b of the present invention;

fig. 4 is a schematic structural diagram of a multifunctional light modulating device according to embodiment c of the present invention;

FIG. 5 is a schematic structural view of a laminated glass according to the present invention;

FIG. 6 is a schematic structural view of a laminated glass according to example A of the present invention;

FIG. 7 is a schematic structural view of a laminated glass in example B of the present invention;

FIG. 8 is a schematic structural view of the cling film of the present invention;

FIG. 9 is a schematic structural view of a laminated glass for buildings and automobiles according to embodiment 1 of the present invention;

FIG. 10 is a schematic structural view of a laminated glass for buildings and automobiles according to embodiment 2 of the present invention;

FIG. 11 is a schematic structural view of a laminated glass for buildings and automobiles according to embodiment 3 of the present invention;

FIG. 12 is a schematic structural view of a laminated glass for buildings and automobiles according to embodiment 4 of the present invention;

FIG. 13 is a schematic structural view of an insulating glass of example 5 of the present invention;

FIG. 14 is a schematic structural view of an insulating glass of example 6 of the present invention;

FIG. 15 is a schematic structural view of an insulating glass of example 7 of the present invention;

1.2, 3-three structures of multifunctional light-adjusting device, 10-multifunctional light-adjusting unit layer, 11-substrate layer, 12-driving module, 100-cathode electrochromic material layer, 101-electrolyte and liquid crystal mixed layer, 102-anode electrochromic material layer, 103-conducting layer, 104-cathode electrochromic material, anode electrochromic material and liquid crystal mixed layer, 105-liquid crystal light-adjusting layer, 106-electrochromic light-adjusting layer, 107-substrate interlayer, 120-first conducting wire, 121-second conducting wire, 30-liquid crystal light-adjusting device, 31-electrochromic light-adjusting device, 4-first panel, 5-second panel, 6-bonding layer, 7-panel interlayer, 8-attaching layer, 9-stripping layer, 13-light-adjusting sealing element, 14-third panel, 15-first seal, 16-first hollow cavity, 17-first spacer, 18-first spacer, 19-secondary functional layer, 20-exit structure, 21-fourth panel, 22-second seal, 23-second hollow cavity, 24-second spacer, 25-second spacer.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments. It should be understood by those skilled in the art that the examples are only for the understanding of the present invention and should not be construed as the specific limitations of the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

Furthermore, features defined as "first" and "second" may explicitly or implicitly include one or more of the features for distinguishing between descriptive features, non-sequential, non-trivial and non-trivial. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The structure schematic diagram of the multifunctional dimming device of the invention is shown in fig. 1, the multifunctional dimming device (1/2/3) comprises a multifunctional dimming unit layer 10, a substrate layer 11 and a driving module 12, wherein the substrate layer 11 and the driving module 12 are positioned on two sides of the multifunctional dimming unit layer, and the driving module 12 is used for providing direct current and/or alternating current for the multifunctional dimming unit layer 10; the multifunctional dimming cell layer 10 includes a liquid crystal dimming material and an electrochromic dimming material.

Specific structures of the multifunctional dimming device according to three specific embodiments of the present invention are described below with reference to fig. 2 to 4;

example a

As shown in fig. 2, the multifunctional light modulating device 1 of the present embodiment includes a multifunctional light modulating unit layer 10, and a substrate layer 11 and a driving module 12 located at two sides of the multifunctional light modulating unit layer, where the multifunctional light modulating unit layer 10 includes a conducting layer 103, a cathode electrochromic material layer 100, an electrolyte and liquid crystal mixed layer 101, an anode electrochromic material layer 102, and a conducting layer 103, which are sequentially arranged from top to bottom.

The multifunctional light modulation device is used for appearance decoration as shown in FIG. 2; two embodiments for appearance decoration are described below: here, a conductive layer adjacent to the cathode electrochromic material layer 100 is referred to as a first conductive layer, and a conductive layer adjacent to the anode electrochromic material layer 102 is referred to as a second conductive layer;

embodiment 1: the first conducting layer is selected from transparent metal conducting layers, and the second conducting layer is selected from metal plating layers with reflection effects.

Embodiment 2: the first conducting layer is selected from transparent metal conducting layers, the second conducting layer is selected from transparent metal conducting layers, and a metal coating with a reflecting effect is arranged on the outer layer of the base material layer adjacent to the second conducting layer.

Illustratively, the substrate layer of the embodiment can adopt PET, the transparent metal conducting layer adopts ITO, the metal coating layer with the reflecting effect adopts silver coating, and the cathode electrochromic material layer adopts WO₃The anode electrochromic material layer adopts NiO, and the composition of a mixed layer of electrolyte and liquid crystal is 15 wt% of polymethyl methacrylate and 45 wt% of 4- (trans-4-n-hexylcyclohexyl) -4' -cyanobiphenyl (hex)Cycyclohexenecyanodiphenyl), 30 wt% propylene carbonate, 10 wt% LiClO₄(ii) a Among the voltage signals output by the driving module, a is 3V, and f (b) is a square wave alternating current signal with an alternating current voltage peak value of 40V. The driving module controls the direction coefficient n and the adjusting coefficient D₁And a conduction coefficient D₂And controlling the dimming state of the multifunctional dimming device. For example, when the multi-function light modulation device is adjusted to be in a mirror surface state, n is adjusted to 1, D₁＝100％，D ₂1 is ═ 1; when the multifunctional light modulation device is adjusted to present color, so that the appearance decoration presents bright blue, adjusting n to-1, D₁＝100％，D ₂1 is ═ 1; when the appearance decoration is adjusted to be in a frosted state, adjusting n to be 1, and D₁＝100％，D₂0; when the appearance is adjusted to be in a blue frosted state, adjusting n to-1, D₁＝100％，D₂＝0；D₁When the light source is changed between 0% and 100%, the multifunctional light adjusting device can also show a color changing effect. This embodiment does not give unnecessary details to all regulation states one by one, can carry out the regulation of parameter according to concrete use scene to realize abundant visual effect.

Example b

As shown in fig. 3, the multifunctional light modulating device 2 of the present embodiment includes a multifunctional light modulating unit layer 10, and a substrate layer 11 and a driving module 12 located on two sides of the multifunctional light modulating unit layer, where the multifunctional light modulating unit layer 10 includes a conductive layer 103, a cathode electrochromic material, an anode electrochromic material, and a mixed layer 104 of liquid crystal, and the conductive layer 103, which are sequentially arranged from top to bottom.

The multifunctional light modulation device is used for appearance decoration as shown in fig. 3; the base material layer is selected from glass, the conducting layer is selected from ITO, the composition of the mixed layer of the cathode electrochromic material, the anode electrochromic material and the liquid crystal is 40 wt% (0.05M purple crystal and ferrocene are dissolved in the ionic liquid BMIBF₄Middle), 20 wt% of polyvinyl alcohol, 40 wt% of 4- (trans-4' -n-hexylcyclohexyl) benzeneisothiocyanate (hexylcyclohexane benzenoisothiocyanate); among the voltage signals output by the driving module, a is 1.2V, and f (b) is a square wave ac signal with an ac voltage peak value of 40V. The driving module controls the direction coefficientn, coefficient of regulation D₁And a conduction coefficient D₂And controlling the dimming state of the multifunctional dimming device.

Example c

As shown in fig. 4, the multifunctional light modulating device 3 of the present embodiment includes a multifunctional light modulating unit layer 10, and a substrate layer 11 and a driving module 12 located at two sides of the multifunctional light modulating unit layer, where the multifunctional light modulating unit layer 10 includes a conductive layer 103, a liquid crystal light modulating layer 105, a conductive layer 103, a substrate interlayer 107, an adhesive layer 6, a substrate interlayer 107, a conductive layer 103, an electrochromic layer 106, and a conductive layer 103, which are sequentially arranged from top to bottom;

in fig. 4, the liquid crystal light control device 30 is configured by a substrate layer 11, a conductive layer 103, a liquid crystal light control layer 105, a conductive layer 103, and a substrate interlayer 107 from top to bottom; the electrochromic light control device 31 is configured by the substrate interlayer 107, the conductive layer 103, the electrochromic light control layer 106, the conductive layer 103, and the substrate layer 11 from top to bottom.

In fig. 4, the conductive layer on one side of the liquid crystal dimming layer is connected to the conductive layer on one side of the electrochromic dimming layer through a first conductive wire 120, and the conductive layer on the other side of the liquid crystal dimming layer is connected to the conductive layer on the other side of the electrochromic dimming layer through a second conductive wire 121; the first and second wires are connected to a driving module.

Example d

This example differs from example c in that the base material interlayer 107 includes only 1 layer, and both the upper and lower surfaces of the 1-layer base material interlayer 107 are the conductive layers 103 and do not include the adhesive layer 6.

The laminated glass of the present invention has a schematic structural view as shown in fig. 5, and as can be seen from fig. 5, the laminated glass sequentially includes, from top to bottom, a first panel 4, an adhesive layer 6, a multifunctional light modulator 1/2/3, an adhesive layer 6, and a second panel 5.

The following describes specific structures of laminated glasses according to two specific embodiments of the present invention with reference to fig. 6 to 7;

example A

As shown in fig. 6, the laminated glass of the present embodiment includes, in order from top to bottom, a first panel 4, an adhesive layer 6, a liquid crystal light control device 30, an adhesive layer 6, a panel interlayer 7, an adhesive layer 6, an electrochromic light control device 31, an adhesive layer 6, and a second panel 5.

In fig. 6, the conductive layer on one side of the liquid crystal dimming layer in the liquid crystal dimming device 30 and the conductive layer on one side of the electrochromic dimming layer in the electrochromic dimming device 31 are connected by a first wire 120, the conductive layer on the other side of the liquid crystal dimming layer and the conductive layer on the other side of the electrochromic dimming layer are connected by a second wire 121, and the first wire and the second wire are connected to the driving module 12.

Example B

As shown in fig. 7, the laminated glass of the present embodiment includes, in order from top to bottom, a first panel 4, an adhesive layer 6, a liquid crystal light adjusting device 30, an adhesive layer 6, an electrochromic light adjusting device 31, an adhesive layer 6, and a second panel 5.

In fig. 7, the conductive layer on one side of the liquid crystal dimming layer in the liquid crystal dimming device 30 and the conductive layer on one side of the electrochromic dimming layer in the electrochromic dimming device 31 are connected by a first wire 120, the conductive layer on the other side of the liquid crystal dimming layer and the conductive layer on the other side of the electrochromic dimming layer are connected by a second wire 121, and the first wire and the second wire are connected to the driving module 12.

The structure schematic diagram of the adhesive film of the invention is shown in fig. 8, and as can be seen from fig. 8, the adhesive film sequentially comprises a peeling layer 9, an adhesive layer 8, a multifunctional light modulation device 1/2/3, an adhesive layer 8 and a peeling layer 9 from top to bottom.

The following describes concrete structures of laminated glass for buildings and automobiles according to four embodiments of the present invention with reference to fig. 9 to 12; the curve with an arrow in the figure is a lead-out structure, one end of the lead-out structure is connected with the conductive layer, and the other end of the lead-out structure is connected with the driving module.

Example 1

As shown in fig. 9: the laminated glass for buildings and automobiles in the embodiment sequentially comprises a first panel 4, a bonding layer 6, a liquid crystal dimming device 30, the bonding layer 6, an electrochromic dimming device 31, the bonding layer 6 and a second panel 5 from top to bottom; it further comprises a dimming seal 13, said dimming seal 13 being located between the edges of said first panel 4 and second panel 5.

Wherein the area of the adhesive layer 6 is larger than the areas of the liquid crystal dimming device 30 and the electrochromic dimming device 31.

Example 2

As shown in fig. 10: the laminated glass for buildings and automobiles in the embodiment sequentially comprises a first panel 4, a bonding layer 6, a liquid crystal dimming device 30, the bonding layer 6, a panel interlayer 7, the bonding layer 6, an electrochromic dimming device 31, the bonding layer 6 and a second panel 5 from top to bottom;

wherein the area of the panel interlayer is smaller than the area of the first panel and the second panel, and a dimming sealing member 13 is disposed at the edge between the first panel 4 and the second panel 5.

Example 3

As shown in fig. 11: the laminated glass for buildings and automobiles in the embodiment sequentially comprises a first panel 4, a bonding layer 6, a liquid crystal dimming device 30, the bonding layer 6, a panel interlayer 7, the bonding layer 6, an electrochromic dimming device 31, the bonding layer 6 and a second panel 5 from top to bottom;

the area of the panel interlayer 7 is the same as that of the first panel 4 and the second panel 5, and the edges of the first panel 4, the panel interlayer 7 and the second panel 5 are provided with dimming sealing parts 13.

Example 4

As shown in fig. 12: the laminated glass for buildings and automobiles in the embodiment sequentially comprises a first panel 4, a bonding layer 6, a multifunctional light modulator 1/2/3, the bonding layer 6 and a second panel 5 from top to bottom; wherein a dimming seal 13 is provided at the edge between the first panel 4 and the second panel 5.

Specific structures of the insulating glass of three specific embodiments of the present invention will be described below with reference to fig. 13 to 15;

example 5

As shown in fig. 13, the hollow glass in this embodiment includes a laminated glass, a third panel 14 spaced apart from the laminated glass, and a first sealing member 15, wherein one end of the first sealing member 15 abuts against the third panel 14, and the other end abuts against the laminated glass; a first hollow cavity 16 is defined between the third panel 14, the first sealing member 15 and the second panel 5, and the first panel 4 and the multifunctional dimmer are located in the first hollow cavity 16.

The insulating glass further includes two first spacers 17 and two first spacers 18, the first spacers 17 are located inside the first sealing 15, one of the first spacers 18 is sandwiched between the third panel 14 and the first spacer 17, and the other first spacer 18 is sandwiched between the second panel 5 and the first spacer 18.

The insulating glass further comprises an auxiliary functional layer 19, and the auxiliary functional layer 19 is attached to the third panel 14.

Example 6

As shown in fig. 14, the hollow glass in this embodiment includes a laminated glass, a third panel 14 spaced apart from the laminated glass, and a first sealing member 15, wherein one end of the first sealing member 15 abuts against the third panel 14, and the other end abuts against the laminated glass; a first hollow cavity 16 is defined between the third panel 14, the first sealing member 15 and the second panel 5, and the first panel 4 and the multifunctional dimmer are located in the first hollow cavity 16.

The insulating glass further includes two first spacers 17 and two first spacers 18, the first spacers 17 are located inside the first sealing 15, one of the first spacers 18 is sandwiched between the third panel 14 and the first spacer 17, and the other first spacer 18 is sandwiched between the first panel 4 and the first spacer 17.

Example 7

As shown in fig. 15, the hollow glass of the present embodiment includes a laminated glass, a fourth panel 21 spaced apart from the laminated glass, and a second sealing member 22, wherein one end of the second sealing member 22 abuts against the fourth panel 21, and the other end abuts against the laminated glass;

a dimming sealing piece is arranged between the first panel 4 and the second panel 5 in the laminated glass and corresponds to the periphery of the multifunctional dimming device;

a second hollow cavity 23 is defined between the fourth panel 21, the second sealing member 22 and the first panel 4.

The hollow glass further includes two second spacers 24 and two second spacers 25, the second spacers 24 are located inside the second sealing member 22, one of the second spacers 25 is interposed between the fourth panel 21 and the second spacer 24, and the other second spacer 25 is interposed between the first panel 4 and the second spacer 24.

The applicant declares that the above description is only a specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and it should be understood by those skilled in the art that any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are within the scope and disclosure of the present invention.

Claims

1. The multifunctional dimming device is characterized by comprising a driving module, a multifunctional dimming unit layer and substrate layers positioned on two sides of the multifunctional dimming unit layer; the driving module is used for providing direct current and/or alternating current for the multifunctional dimming unit layer, and the multifunctional dimming unit layer comprises a liquid crystal dimming material and an electrochromic dimming material.

2. The multi-function dimming device of claim 1, wherein the multi-function dimming unit layer comprises a composite color changing material layer and conductive layers on both sides of the composite color changing material layer, the conductive layers being connected to the driving module;

the composite color-changing material layer comprises a cathode electrochromic material layer, an electrolyte and liquid crystal mixed layer and an anode electrochromic material layer which are sequentially connected, wherein the electrolyte in the electrolyte and liquid crystal mixed layer is a gel-state electrolyte;

or the composite color-changing material layer is a mixed layer comprising a cathode electrochromic material, an anode electrochromic material, electrolyte and liquid crystal, and the electrolyte is gel-state electrolyte.

3. The multifunctional dimming device of claim 1, wherein the multifunctional dimming unit layer comprises a liquid crystal dimming layer and an electro-variable dimming layer, wherein two sides of the liquid crystal dimming layer and two sides of the electro-variable dimming layer are independently provided with conductive layers, and the conductive layers are connected with the driving module;

and a substrate interlayer is arranged between the liquid crystal dimming layer and the electrochromic dimming layer and is positioned between the conducting layers.

4. The multi-function dimming device of claim 2 or 3, wherein a lead-out structure is disposed on the multi-function dimming cell layer, one end of the lead-out structure is connected to the driving module, and the other end of the lead-out structure is connected to the conductive layer in the multi-function dimming cell layer.

5. The multi-function dimming device of claim 1, wherein the voltage signal output by the driving module is:

U＝naD₁+f(b)D₂；

wherein a is the maximum direct current voltage value; n is a directional coefficient; d₁Is an adjustment factor;

f (b) is an output AC voltage signal, D₂Is the conduction coefficient.

6. A laminated glass, comprising the multifunctional light modulating device as claimed in any one of claims 1 to 5, wherein a first panel and a second panel are disposed on two sides of the multifunctional light modulating device, respectively, and the first panel and the multifunctional light modulating device and the second panel and the multifunctional light modulating device are connected independently via an adhesive layer;

preferably, a dimming sealing member is disposed between the first panel and the second panel corresponding to a circumference of the multifunctional dimming device;

preferably, the first panel and the second panel are each independently a curved and/or planar structure;

preferably, the first panel and the second panel each independently have a thickness of 0.1mm to 100mm, preferably 0.2 to 30 mm;

preferably, the thickness of the bonding layer is 0.1 μm to 30mm, preferably 1 μm to 5 mm;

preferably, a panel interlayer is arranged between two substrate interlayers between a liquid crystal dimming layer and an electrochromic dimming layer in the laminated glass, and the panel interlayer is connected with the two substrate interlayers through a bonding layer;

preferably, the thickness of the electrochromic layer is selected from 1 μm to 5 mm;

preferably, the thickness of the liquid crystal dimming layer is selected from 1 to 5 μm, preferably 3 to 5 μm.

7. An insulating glass comprising the laminated glass of claim 6, a third panel spaced apart from the laminated glass, and a first sealing member, wherein one end of the first sealing member abuts against the third panel and the other end of the first sealing member abuts against the laminated glass; a first hollow cavity is defined between the third panel, the first seal, and the second panel, and the first panel and the multi-function dimmer device are located within the first hollow cavity.

8. The insulating glass according to claim 7, wherein the insulating glass further comprises two first spacers and two first spacers, the first spacers are located inside the first sealing member, one of the first spacers is sandwiched between the third face plate and the first spacer, and the other first spacer is sandwiched between the second face plate and the first spacer; or, one of the first spacers is interposed between the third panel and the first spacer, and the other of the first spacers is interposed between the first panel and the first spacer.

9. An insulating glass, comprising the laminated glass of claim 6, a fourth panel spaced apart from the laminated glass, and a second sealing member, wherein one end of the second sealing member abuts against the fourth panel and the other end of the second sealing member abuts against the laminated glass;

a second hollow cavity is defined between the fourth panel, the second seal and the first panel;

10. A pasting film, wherein the pasting film comprises the multifunctional light modulation device as claimed in any one of claims 1-5, at least one side of the multifunctional light modulation device is provided with a pasting layer, and the outer layer of the pasting layer is provided with a stripping layer;