阅读说明：本技术 超低透过率长寿命液晶调光膜玻璃及其制作方法 (Ultralow transmitance long-life liquid crystal light modulation film glass and preparation method thereof ) 是由 吴贲华 路林 邵留荣 杭嘉濠 王亮 陆瑞青 于 2019-09-24 设计创作，主要内容包括：本发明涉及一种超低透过率长寿命液晶调光膜玻璃及其制作方法,该超低透过率长寿命液晶调光膜玻璃包括：基体；多层液晶调光膜,依次贴合设置于基体上；以及控制器,与多层液晶调光膜电性连接,控制器用于向多层液晶调光膜中的至少一层液晶调光膜分配电压值。该制作方法包括以下步骤：将多层液晶调光膜通过至少一层第二层聚氨酯胶胶片粘贴于一起,并进行高温高压贴合；将多层液晶调光膜与基体通过第一层聚氨酯胶胶片粘贴于一起,并进行高温高压贴合；以及将多层液晶调光膜与控制器电性连接,多层液晶调光膜中的至少一层液晶调光膜可通过控制器分配电压值。本发明通过设置多层液晶调光膜使得在不通电的情况下液晶调光膜达到透过率更低的效果。(The present invention relates to a kind of ultralow transmitance long-life liquid crystal light modulation film glass and preparation method thereof, which includes: matrix；Multilayer liquid crystal light modulation film, successively fitting is set on matrix；And controller, it is electrically connected with multilayer liquid crystal light modulation film, controller distributes voltage value at least one layer of liquid crystal light modulation film into multilayer liquid crystal light modulation film.The production method is the following steps are included: pass through at least one layer of second layer polyurethane adhesive sticker in together for multilayer liquid crystal light modulation film, and carry out high temperature and pressure fitting；By multilayer liquid crystal light modulation film and matrix by first layer polyurethane adhesive sticker in together, and carry out high temperature and pressure fitting；And be electrically connected multilayer liquid crystal light modulation film and controller, at least one layer of liquid crystal light modulation film in multilayer liquid crystal light modulation film can distribute voltage value by controller.The present invention makes the liquid crystal light modulation film in cold situation reach the lower effect of transmitance by the way that multilayer liquid crystal light modulation film is arranged.)

1. a kind of ultralow transmitance long-life liquid crystal light modulation film glass, which is characterized in that the ultralow transmitance long-life liquid crystal Light modulation film glass includes:

Matrix；

Multilayer liquid crystal light modulation film, successively fitting is set in described matrix；And

Controller is electrically connected with the multilayer liquid crystal light modulation film, and the controller is used for into the multilayer liquid crystal light modulation film At least one layer liquid crystal light modulation film distribute voltage value.

2. ultralow transmitance long-life liquid crystal light modulation film glass according to claim 1, which is characterized in that further include:

First layer polyurethane glue film, side fitting be set in described matrix, the first layer polyurethane glue film it is another Side is fitted and connected with the multilayer liquid crystal light modulation film, and the multilayer liquid crystal light modulation film passes through the first layer polyurethane glue film plaster Conjunction is set in described matrix；And

At least one layer of second layer polyurethane glue film, the adjacent two layers of liquid being correspondingly arranged in the multilayer liquid crystal light modulation film Between brilliant light modulation film, adjacent two layers of liquid crystal light modulation film passes through at least one layer of second layer polyurethane glue film fitting Connection.

3. ultralow transmitance long-life liquid crystal light modulation film glass according to claim 2, which is characterized in that further include

Touch screen, side fitting are set on the first layer polyurethane glue film；And

Third layer polyurethane glue film, side are bonded the other side for being set to the touch screen, the third layer polyurethane glue glue The other side of piece is fitted and connected with the multilayer liquid crystal light modulation film, and the other side of the first layer polyurethane glue film passes through described Touch screen and the third layer polyurethane glue film are fitted and connected with the multilayer liquid crystal light modulation film.

4. ultralow transmitance long-life liquid crystal light modulation film glass according to claim 3, which is characterized in that the first layer Polyurethane glue film, the touch screen, the third layer polyurethane glue film, the multilayer liquid crystal light modulation film and the second layer The size of polyurethane glue film is identical.

5. ultralow transmitance long-life liquid crystal light modulation film glass according to claim 3, which is characterized in that the multilayer liquid Also there are multiple liquid crystal light modulation film subregions, the multiple liquid crystal light modulation film subregion electrically connects with the touch screen on brilliant light modulation film It connects, the multiple liquid crystal light modulation film subregion can control its transparent degree or impermeable by the corresponding position of the touch touch screen Bright state.

6. ultralow transmitance long-life liquid crystal light modulation film glass according to claim 1, which is characterized in that further include photosensitive Sensor is electrically connected with the controller, and the photosensitive sensor is used for sense light intensity, and according to the luminous intensity to institute It states controller and sends a signal, control at least one layer liquid crystal light modulation of the controller into the multilayer liquid crystal light modulation film Film distributes voltage value.

7. ultralow transmitance long-life liquid crystal light modulation film glass according to claim 1, which is characterized in that the multilayer liquid The quantity of brilliant light modulation film is two layers, and two layers of liquid crystal light modulation film, which is successively bonded, to be set in described matrix.

8. a kind of production method of ultralow transmitance long-life liquid crystal light modulation film glass, which is characterized in that the ultralow transmitance The production method of long-life liquid crystal light modulation film glass the following steps are included:

Multilayer liquid crystal light modulation film is passed through at least one layer of second layer polyurethane glue sticker in together, and carries out high temperature and pressure patch It closes；

By the multilayer liquid crystal light modulation film and matrix by first layer polyurethane glue sticker in together, and carry out high temperature and pressure Fitting；And

The multilayer liquid crystal light modulation film and controller are electrically connected, at least one layer liquid in the multilayer liquid crystal light modulation film Brilliant light modulation film can distribute voltage value by the controller.

9. a kind of production method of ultralow transmitance long-life liquid crystal light modulation film glass, which is characterized in that the ultralow transmitance The production method of long-life liquid crystal light modulation film glass the following steps are included:

Multilayer liquid crystal light modulation film is passed through at least one layer of second layer polyurethane glue sticker in together, and carries out high temperature and pressure patch It closes；

By touch screen and the multilayer liquid crystal light modulation film by third layer polyurethane glue sticker in together, and carry out high temperature height Overlay conjunction；

By the touch screen and matrix by first layer polyurethane glue sticker in together, and carry out high temperature and pressure fitting；With And

The multilayer liquid crystal light modulation film and controller are electrically connected, at least one layer liquid in the multilayer liquid crystal light modulation film Brilliant light modulation film can distribute voltage value by the controller.

10. the production method of ultralow transmitance long-life liquid crystal light modulation film glass according to claim 9, feature exist In further comprising the steps of:

The multilayer liquid crystal light modulation film is cut into multiple liquid crystal light modulation film subregions by way of cutting electrode；And

The multiple liquid crystal light modulation film subregion and the touch screen are electrically connected, the multiple liquid crystal light modulation film subregion can pass through It touches the corresponding position of the touch screen and controls its transparent degree or opaque state.

Technical field

The present invention relates to a kind of liquid crystal light modulation film glass, more particularly to a kind of ultralow transmitance long-life liquid crystal light modulation film Glass and preparation method thereof.

Background technique

Liquid crystal light modulation film (NPD) compared with polymer dispersed liquid crystals (PDLC), NPD (liquid crystal light modulation film) dimming glass it is excellent Gesture is that low haze, low voltage drive, transmitance variation range are wide, and especially transmitance is held essentially constant under wide viewing angle, With good anti-uv-ray, therefore, liquid crystal light modulation film (NPD) using relatively broad.

Summary of the invention

To solve above-mentioned the technical problems existing in the prior art, the embodiment of the invention provides a kind of ultralow transmitance is long Service life liquid crystal light modulation film glass and preparation method thereof.Specific technical solution is as follows:

In a first aspect, a kind of ultralow transmitance long-life liquid crystal light modulation film glass is provided, wherein the ultralow transmitance long-life Liquid crystal light modulation film glass includes:

Matrix；

Multilayer liquid crystal light modulation film, successively fitting is set on matrix；And

Controller is electrically connected with multilayer liquid crystal light modulation film, and controller is at least one into multilayer liquid crystal light modulation film Layer liquid crystal light modulation film distributes voltage value.

In the first possible implementation of first aspect, further includes:

First layer polyurethane glue film, side fitting be set on matrix, the other side of first layer polyurethane glue film with Multilayer liquid crystal light modulation film is fitted and connected, and multilayer liquid crystal light modulation film is set on matrix by the fitting of first layer polyurethane glue film； And

At least one layer of second layer polyurethane glue film, the adjacent two layers of liquid crystal tune being correspondingly arranged in multilayer liquid crystal light modulation film Between light film, adjacent two layers of liquid crystal light modulation film is fitted and connected by least one layer of second layer polyurethane glue film.

The possible implementation of with reference to first aspect the first, in second of possible implementation of first aspect, also Including

Touch screen, side fitting are set on first layer polyurethane glue film；And

Third layer polyurethane glue film, side are bonded the other side for being set to touch screen, third layer polyurethane glue film The other side is fitted and connected with multilayer liquid crystal light modulation film, and the other side of first layer polyurethane glue film passes through touch screen and third strata Ammoniacum glue film is fitted and connected with multilayer liquid crystal light modulation film.

The possible implementation of second with reference to first aspect, in the third possible implementation of first aspect, the One layer of polyurethane glue film, touch screen, third layer polyurethane glue film, multilayer liquid crystal light modulation film and second layer polyurethane glue film Size it is identical.

The possible implementation of with reference to first aspect the first is more in the 4th kind of possible implementation of first aspect Also there are multiple liquid crystal light modulation film subregions, multiple liquid crystal light modulation film subregions and touch screen are electrically connected, more on layer liquid crystal light modulation film A liquid crystal light modulation film subregion can control its transparent degree or opaque state by touching the corresponding position of touch screen.

Further include photosensitive sensor in the 5th kind of possible implementation of first aspect, is electrically connected with controller, light Dependent sensor is used for sense light intensity, and sends a signal to controller according to luminous intensity, controls controller to multilayer liquid crystal tune At least one layer of liquid crystal light modulation film in light film distributes voltage value.

In the 6th kind of possible implementation of first aspect, the quantity of multilayer liquid crystal light modulation film is two layers, two layers of liquid crystal Light modulation film is successively bonded and is set on matrix.

Second aspect provides a kind of production method of ultralow transmitance long-life liquid crystal light modulation film glass, wherein ultralow Cross the production method of rate long-life liquid crystal light modulation film glass the following steps are included:

Multilayer liquid crystal light modulation film is passed through at least one layer of second layer polyurethane glue sticker in together, and carries out high temperature height Overlay conjunction；

By multilayer liquid crystal light modulation film and matrix by first layer polyurethane glue sticker in together, and carry out high temperature and pressure Fitting；And

Multilayer liquid crystal light modulation film and controller are electrically connected, at least one layer of liquid crystal light modulation film in multilayer liquid crystal light modulation film Voltage value can be distributed by controller.

The third aspect provides a kind of production method of ultralow transmitance long-life liquid crystal light modulation film glass, wherein ultralow Cross the production method of rate long-life liquid crystal light modulation film glass the following steps are included:

Multilayer liquid crystal light modulation film is passed through at least one layer of second layer polyurethane glue sticker in together, and carries out high temperature height Overlay conjunction；

By touch screen and multilayer liquid crystal light modulation film by third layer polyurethane glue sticker in together, and carry out high temperature height Overlay conjunction；

By touch screen and matrix by first layer polyurethane glue sticker in together, and carry out high temperature and pressure fitting；With And

Multilayer liquid crystal light modulation film and controller are electrically connected, at least one layer of liquid crystal light modulation film in multilayer liquid crystal light modulation film Voltage value can be distributed by controller.

It is further comprising the steps of in the first possible implementation of the third aspect:

Multilayer liquid crystal light modulation film is cut into multiple liquid crystal light modulation film subregions by way of cutting electrode；And

Multiple liquid crystal light modulation film subregions and touch screen are electrically connected, multiple liquid crystal light modulation film subregions can be by touching touch-control The corresponding position of screen and control its transparent degree or opaque state.

The present invention has had the advantage that compared with prior art:

The present invention adds at least one layer of identical liquid crystal light modulation film by additional again on original liquid crystal light modulation film, so that Liquid crystal light modulation film reaches the lower effect of transmitance in cold situation, and controller can be used in multilayer liquid crystal light modulation film Individually control, so that it is logical that single layer liquid crystal light modulation film may be implemented in the case where not needing simultaneously using multilayer liquid crystal light modulation film Electricity uses, and increases the service life of product.

Detailed description of the invention

To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other Attached drawing.

Fig. 1 is a kind of detonation configuration signal of the ultralow transmitance long-life liquid crystal light modulation film glass of one embodiment of the invention Figure.

Fig. 2 is that another detonation configuration of the ultralow transmitance long-life liquid crystal light modulation film glass of one embodiment of the invention shows It is intended to.

Fig. 3 is that also the main view with multiple liquid crystal light modulation film subregions is illustrated on the liquid crystal light modulation film of one embodiment of the invention Figure.

The step of Fig. 4 is the production method of the ultralow transmitance long-life liquid crystal light modulation film glass of two embodiments of the invention stream Journey schematic diagram.

The step of Fig. 5 is the production method of the ultralow transmitance long-life liquid crystal light modulation film glass of three embodiments of the invention stream Journey schematic diagram.

Fig. 6 is that the controller of four embodiments of the invention controls the control timing diagram of two layers of liquid crystal light modulation film.

Fig. 7 is the control for controlling two layers of liquid crystal light modulation film in the controller of five embodiments of the invention after increase photosensitive sensor Time diagram.

Specific embodiment

To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention Formula is described in further detail.

In one embodiment of the invention, referring to FIG. 1, it illustrates the ultralow transmitance long-lives of one embodiment of the invention A kind of configuration schematic diagram of liquid crystal light modulation film glass 1.Ultralow transmitance long-life liquid crystal light modulation film glass 1 includes matrix 11, multilayer liquid crystal light modulation film 12 and controller (not shown), in which:

Matrix 11 is mainly used for providing rigid support for multilayer liquid crystal light modulation film 12；In the present embodiment for matrix 11 Selection can not have particular/special requirement, referring to the conventional selection of those skilled in the art, such as can choose transparent glass.

Multilayer liquid crystal light modulation film 12 is successively bonded and is set on matrix 11.It is more disclosed in the present embodiment referring again to Fig. 1 Layer liquid crystal light modulation film 12 is set on matrix 11 by the fitting of first layer polyurethane glue film 14, and laminating type is first The side fitting of layer polyurethane glue film 14 is set on matrix 11, the other side of first layer polyurethane glue film 14 and multilayer liquid Brilliant light modulation film 12 is fitted and connected, and is to pass through at least one layer between adjacent two layers of liquid crystal light modulation film 12 in multilayer liquid crystal light modulation film 12 Second layer polyurethane glue film 15 is fitted and connected, but is not limited thereto.

In a preferred embodiment, referring again to Fig. 1, the quantity of multilayer liquid crystal light modulation film 12 is two layers, two layers of liquid crystal Light modulation film 12 is successively bonded and is set on matrix 11, and laminating type is side and the second layer of first layer liquid crystal light modulation film 121 Liquid crystal light modulation film 122 is fitted and connected by second layer polyurethane glue film 15, and the other side of first layer liquid crystal light modulation film 121 passes through The fitting of first layer polyurethane glue film 14 is set on matrix 11, but is not limited thereto.

Controller and multilayer liquid crystal light modulation film 12 are electrically connected, and controller is used for into multilayer liquid crystal light modulation film 12 at least One layer of liquid crystal light modulation film 12 distributes voltage value, to control its transparency.Controller is preferably sequence circuit, passes through sequence circuit control The distribution voltage value of multilayer liquid crystal light modulation film 12 processed, do not need multilayer liquid crystal light modulation film 12 and meanwhile open in the case where, only to Wherein one layer of liquid crystal light modulation film 12 distributes voltage value, to achieve the effect that singly to open one layer of liquid crystal light modulation film 12, and then extends and produces The product service life.

In a preferred embodiment, referring to FIG. 2, it illustrates the ultralow transmitance long-life liquid of one embodiment of the invention Another configuration schematic diagram of crystalline substance light modulation film glass 1.Ultralow transmitance long-life liquid crystal light modulation film glass 1 further includes touch-control The side fitting of screen 16 and third layer polyurethane glue film 13, touch screen 16 is set on first layer polyurethane glue film 14, the The side fitting of three layers of polyurethane glue film 13 is set to the other side of touch screen 16, third layer polyurethane glue film 13 it is another Side is fitted and connected with multilayer liquid crystal light modulation film 12, and the other side of first layer polyurethane glue film 14 passes through touch screen 16 and third layer Polyurethane glue film 13 is fitted and connected with multilayer liquid crystal light modulation film 12, but is not limited thereto.

In a preferred embodiment, first layer polyurethane glue film 14, touch screen 16, third layer polyurethane glue film 13, The size of multilayer liquid crystal light modulation film 12 and second layer polyurethane glue film 15 is identical, so that it may be implemented in corresponding fitting Full fitting, increases the caking property of fitting, but be not limited thereto.

In a preferred embodiment, referring to FIG. 3, it illustrates also have on the liquid crystal light modulation film 12 of one embodiment of the invention There is the schematic front view of multiple liquid crystal light modulation film subregions 121.Also there are multiple liquid crystal light modulation films point on multilayer liquid crystal light modulation film 12 Area 121, the quantity of multiple liquid crystal light modulation film subregions 121 shown in the present embodiment is four, but is not limited thereto.Multiple liquid Brilliant light modulation film subregion 121 is electrically connected with touch screen 16, and multiple liquid crystal light modulation film subregions 121 can pass through pair of touch touch screen 16 It answers position and controls its transparent degree or opaque state, it is possible thereby to freely adjust the saturating of multiple liquid crystal light modulation film subregions 121 Bright or opaque region position, but be not limited thereto.

In a preferred embodiment, ultralow transmitance long-life liquid crystal light modulation film glass 1 further includes photosensitive sensor (in figure It is not shown), photosensitive sensor and controller are electrically connected, and photosensitive sensor is used for sense light intensity, and according to luminous intensity to control Device processed sends a signal, controls at least one layer of liquid crystal light modulation film 12 of the controller into multilayer liquid crystal light modulation film 12 and distributes voltage Value, to realize the voltage swing of automatic adjustment liquid crystal light modulation film 12, to adjust the transmitance of liquid crystal light modulation film 12, but not with This is limited.

In two embodiments of the invention, referring to FIG. 4, it illustrates the ultralow transmitance long-lives of two embodiments of the invention The step flow diagram of the production method 2 of liquid crystal light modulation film glass 1.Ultralow transmitance long-life liquid crystal light modulation film glass 1 Production method 2 includes the following steps 201-203, in which:

Step 201, multilayer liquid crystal light modulation film 12 is mutually fitted.Multilayer liquid crystal light modulation film 12 is passed through at least one layer second Layer polyurethane glue film 15 is pasted on together, and carries out high temperature and pressure fitting.

Specifically, one layer of second strata same in size will be passed through in multilayer liquid crystal light modulation film 12 between adjacent two layers Ammoniacum glue film 15 is pasted on together, and carries out high temperature and pressure fitting, forms integral structure.

Step 202, multilayer liquid crystal light modulation film 12 is bonded with matrix 11.Multilayer liquid crystal light modulation film 12 and matrix 11 are passed through First layer polyurethane glue film 14 is pasted on together, and carries out high temperature and pressure fitting.

Specifically, same in size by passing through between above-mentioned multilayer liquid crystal light modulation film 12 (integral structure) and matrix 11 First layer polyurethane glue film 14 be pasted on together, and carry out high temperature and pressure fitting.

Step 203, multilayer liquid crystal light modulation film 12 and controller 12 are electrically connected.By multilayer liquid crystal light modulation film 12 and control Device is electrically connected, and at least one layer of liquid crystal light modulation film 12 in multilayer liquid crystal light modulation film 12 can distribute voltage value by controller.

Specifically, multilayer liquid crystal light modulation film 12 and controller are electrically connected, at least one in multilayer liquid crystal light modulation film 12 Layer liquid crystal light modulation film 12 can distribute voltage value by controller, to control its transparency.

Controller is preferably sequence circuit, and the distribution voltage value of multilayer liquid crystal light modulation film 12, In are controlled by sequence circuit In the case where not needing multilayer liquid crystal light modulation film 12 while opening, only one layer of liquid crystal light modulation film 12 distributes voltage value thereto, from And achieve the effect that singly to open one layer of liquid crystal light modulation film 12, and then extend life of product.

In three embodiments of the invention, referring to FIG. 5, it illustrates the ultralow transmitance long-lives of three embodiments of the invention The step flow diagram of the production method 2 of liquid crystal light modulation film glass 1.Ultralow transmitance long-life liquid crystal light modulation film glass 1 Production method 3 includes the following steps 301-304, in which:

Step 301, multilayer liquid crystal light modulation film 12 is mutually fitted.Multilayer liquid crystal light modulation film 12 is passed through at least one layer second Layer polyurethane glue film 15 is pasted on together, and carries out high temperature and pressure fitting.

Specifically, one layer of second strata same in size will be passed through in multilayer liquid crystal light modulation film 12 between adjacent two layers Ammoniacum glue film 15 is pasted on together, and carries out high temperature and pressure fitting, forms integral structure.

Step 302, multilayer liquid crystal light modulation film 12 is bonded with touch screen 16.By touch screen 16 and multilayer liquid crystal light modulation film 12 It is pasted on together by third layer polyurethane glue film 13, and carries out high temperature and pressure fitting.

Specifically, by between above-mentioned multilayer liquid crystal light modulation film 12 (integral structure) and touch screen 16 by with its size phase Same third layer polyurethane glue film 13 is pasted on together, and carries out high temperature and pressure fitting.

Step 303, touch screen 16 is bonded with matrix 11.Touch screen 16 and matrix 11 are passed through into first layer polyurethane glue glue Piece 14 is pasted on together, and carries out high temperature and pressure fitting.

Specifically, by being glued between touch screen 16 and matrix 11 by third layer polyurethane glue film 13 same in size It is affixed on together, and carries out high temperature and pressure fitting.

It more specifically, further include that multilayer liquid crystal light modulation film 12 is cut into multiple liquid crystal light modulations by way of cutting electrode Then multiple liquid crystal light modulation film subregions 121 are electrically connected, multiple liquid crystal light modulation film subregions 121 by film subregion 121 with touch screen 16 Its transparent degree or opaque state can be controlled by touching the corresponding position of touch screen 16, it is possible thereby to freely adjust multiple The position in the transparent or opaque region of liquid crystal light modulation film subregion 121, but be not limited thereto.

Step 304, multilayer liquid crystal light modulation film 12 and controller are electrically connected.By multilayer liquid crystal light modulation film 12 and controller It is electrically connected, at least one layer of liquid crystal light modulation film in multilayer liquid crystal light modulation film 12 can distribute voltage value by controller.

Specifically, multilayer liquid crystal light modulation film 12 and controller are electrically connected, at least one in multilayer liquid crystal light modulation film 12 Layer liquid crystal light modulation film 12 can distribute voltage value by controller, to control its transparency.

Controller is preferably sequence circuit, and the distribution voltage value of multilayer liquid crystal light modulation film 12, In are controlled by sequence circuit In the case where not needing multilayer liquid crystal light modulation film 12 while opening, only one layer of liquid crystal light modulation film 12 distributes voltage value thereto, from And achieve the effect that singly to open one layer of liquid crystal light modulation film 12, and then extend life of product.

In four embodiments of the invention, referring to FIG. 6, it illustrates the controllers of four embodiments of the invention to control two layers of liquid The control timing diagram of brilliant light modulation film 12.Control sequential shown in the present embodiment is ultralow transmission shown in an above-mentioned embodiment Controller in rate long-life liquid crystal light modulation film glass 1 controls the control mode of two layers of liquid crystal light modulation film 12 (two layers of NPD), passes through Controller can be controlled separately two layers of liquid crystal light modulation film 12 (first layer liquid crystal light modulation film 121 (NPD1), second layer liquid crystal light modulation film 122 (NPD2)) switch so that reaching in the case where not needing two layers of liquid crystal light modulation film 12 while opening and singly opening one layer of liquid crystal The effect of light modulation film 12 (first layer liquid crystal light modulation film 121 or second layer liquid crystal light modulation film 122), so that life of product is prolonged It is long.

Set first layer liquid crystal light modulation film 121 transmitance with its voltage change between [A1, A2], second layer liquid crystal The transmitance of light modulation film 122 with its voltage change between [B1, B2], then two layers of superimposed transmitance of liquid crystal light modulation film 12 Minimum value MIN=A1 or B1, median MED=A1*B2 or A2*B1, maximum value MAX=A2 or B2.

Controller controls the control mode of two layers of liquid crystal light modulation film 12 are as follows: and power supply provides a changeless voltage, such as It can be DC12V, but be not limited thereto.Controller dynamically distributes first layer liquid crystal light modulation film 121 and second layer liquid crystal light modulation The voltage value of film 122.

Wherein, different transmitances is presented according to distributed voltage for first layer liquid crystal light modulation film 121, and voltage value is bigger, Transmitance is adjustable with voltage change between section [A1, A2]；Second layer liquid crystal light modulation film 122 is presented not according to distributed voltage Same transmitance, voltage value is bigger, and transmitance is adjustable with voltage change between section [B1, B2], therefore, two layers of liquid crystal tune The transmitance constant interval of light film 12 is [MIN, MED, MAX], and controller is according to required transmitance to respectively to two layers of liquid crystal tune Light film 12 is dynamically distributed.

The dynamic allocation mode of controller is that, when the rate that is required through is at the section [MIN, MED], controller need to only adjust it In one layer of liquid crystal light modulation film 12 transmitance, such as can be the transmitance for only adjusting first layer liquid crystal light modulation film 121, can also be with It is the transmitance for only adjusting second layer liquid crystal light modulation film 122；When the rate that is required through is at the section [MED, MAX], controller is simultaneously The transmitance of two layers of liquid crystal light modulation film 12 (two layers of NPD) is adjusted, so that two layers of liquid crystal light modulation film 12 (single unit system) pass through Rate is adjustable at section [MIN, MAX].

In five embodiments of the invention, referring to FIG. 7, photosensitive it illustrates increasing in the controller of five embodiments of the invention The control timing diagram of two layers of liquid crystal light modulation film 12 is controlled after sensor.Control sequential shown in the present embodiment is an above-mentioned implementation Two layers are controlled after increasing photosensitive sensor in controller in ultralow transmitance long-life liquid crystal light modulation film glass 1 shown in example The control mode of liquid crystal light modulation film 12 (two layers of NPD) allows ultralow transmitance long-life liquid crystal light modulation film glass 1 according to ring Border luminous intensity automatically controls the switch of two layers of liquid crystal light modulation film 12 or automatically adjusts input voltage size according to ambient light intensity, To adjust the transmitance of two layers of liquid crystal light modulation film 12.

Set first layer liquid crystal light modulation film 121 transmitance with its voltage change between [A1, A2], second layer liquid crystal The transmitance of light modulation film 122 with its voltage change between [B1, B2], then two layers of superimposed transmitance of liquid crystal light modulation film 12 Minimum value MIN=A1 or B1, median MED=A1*B2 or A2*B1, maximum value MAX=A2 or B2.

Controller controls the control mode of two layers of liquid crystal light modulation film 12 are as follows: and power supply provides a changeless voltage, such as It can be DC12V, but be not limited thereto.Photosensitive sensor acquires external environmental light luminance information, and by collected brightness Information sends controller to, and controller is judged according to the collected brightness data of photosensitive sensor, when extraneous brightness is high, Controller reduces the voltage distribution of two layers of liquid crystal light modulation film 12, to reduce transmitance；Conversely, then being mentioned when external world's brightness is low The voltage of high two layers of liquid crystal light modulation film 12 distributes, and improves transmitance.

Wherein, different transmitances is presented according to distributed voltage for first layer liquid crystal light modulation film 121, and voltage value is bigger, Transmitance is adjustable with voltage change between section [A1, A2]；Second layer liquid crystal light modulation film 122 is presented not according to distributed voltage Same transmitance, voltage value is bigger, and transmitance is adjustable with voltage change between section [B1, B2], therefore, two layers of liquid crystal tune The transmitance constant interval of light film 12 is [MIN, MED, MAX], and controller is according to required transmitance to respectively to two layers of liquid crystal tune Light film 12 is dynamically distributed.

The dynamic allocation mode of controller is that, when the rate that is required through is at the section [MIN, MED], controller need to only adjust it In one layer of liquid crystal light modulation film 12 transmitance, such as can be the transmitance for only adjusting first layer liquid crystal light modulation film 121, can also be with It is the transmitance for only adjusting second layer liquid crystal light modulation film 122；When the rate that is required through is at the section [MED, MAX], controller is simultaneously The transmitance of two layers of liquid crystal light modulation film 12 (two layers of NPD) is adjusted, so that two layers of liquid crystal light modulation film 12 (single unit system) pass through Rate is adjustable at section [MIN, MAX].

Ultralow transmitance long-life liquid crystal tune of the invention is further illustrated below with reference to specific embodiment and reference examples The beneficial effect of light film glass 1.

Reference examples 1

A first layer liquid crystal light modulation film 121 and a second layer liquid crystal light modulation film 122 are chosen, to first layer liquid crystal light modulation film 121 and second layer liquid crystal light modulation film 122 test its light transmittance and mist degree respectively, test data is as follows: