CN201540423U - dimming glass - Google Patents
dimming glass Download PDFInfo
- Publication number
- CN201540423U CN201540423U CN2009202049888U CN200920204988U CN201540423U CN 201540423 U CN201540423 U CN 201540423U CN 2009202049888 U CN2009202049888 U CN 2009202049888U CN 200920204988 U CN200920204988 U CN 200920204988U CN 201540423 U CN201540423 U CN 201540423U
- Authority
- CN
- China
- Prior art keywords
- conductive layer
- glass
- dimming glass
- bonding coat
- pdlc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/10165—Functional features of the laminated safety glass or glazing
- B32B17/10431—Specific parts for the modulation of light incorporated into the laminated safety glass or glazing
- B32B17/10467—Variable transmission
- B32B17/10495—Variable transmission optoelectronic, i.e. optical valve
- B32B17/10504—Liquid crystal layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
- B32B17/10761—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer containing vinyl acetal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
- B32B17/10788—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer containing ethylene vinylacetate
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- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Joining Of Glass To Other Materials (AREA)
Abstract
The utility model provides dimming glass, which comprise a PDLC stack body, a first bonding layer and glass which are stacked sequentially. The PDLC stack body consists of a first conductive layer, a polymer dispersed liquid crystal layer and a second conductive layer which are sequentially stacked; the second conductive layer contacts with the first bonding layer; and the edge of the first conductive layer contacts with the first bonding layer portion. By adopting the PDLC stack layer body to be stacked with the glass to form the dimming glass, the dimming glass is enabled to have no requirement on curvature tolerance of the glass. Compared with the prior art and compared with ordinary glass, the dimming glass has comparatively small thickness change, thereby when the dimming glass is applied to an automobile window, the structure of an automobile door guide rail and corresponding parts need not to be correspondingly changed. Compared with existing dimming glass, the dimming glass has comparatively simple structure and low cost.
Description
Technical field
The utility model belongs to glass art, relates in particular to a kind of dimming glass.
Background technology
Polymer Dispersed Liquid Crystal (Polymer dispersed liquid crystals, PDLC) film is a kind of photoelectricity composite material, can be by extra electric field so that pdlc film changes between transparent opaque, Polymer Dispersed Liquid Crystal forms duplexer in the middle of being clipped in two conductive transparent materials, changes by the electric field controls light on the transparent conductive material.And transparent conductive material is exposed in the atmosphere, is subject to damp and hot influence and loses good electrical conductivity, thereby can make the stability of duplexer be affected.In at present concrete production run,, pdlc film is clipped between two sheet glass, as the usefulness of dimming glass by using glass sandwich technology.
At present, most of dimming glass all uses architectural, in addition, also has the dimming glass use is had on the related device of bend glass, but in this is used, require the goodness of fit of two sheet glass higher, so that its usable range is restricted.
And, use bend glass to make dimming glass, require the glass raw material smooth surface and have the good goodness of fit, and by present technology make the thickness of dimming glass thicker.When using this dimming glass on automotive window, require the structure and the corresponding parts of door rail are changed accordingly, to adapt to the variation of dimming glass thickness, in addition, vehicle window can become heavy because of thickening, thereby produces the problem of lifting difficulty.
The utility model content
The utility model provides a kind of new dimming glass for solving the dimming glass that exists in the prior art to the technical matters that the goodness of fit of glass is had relatively high expectations and thickness is thicker.
The technical solution of the utility model is:
A kind of dimming glass, this dimming glass comprises PDLC duplexer, first bonding coat and the glass that stacks gradually, described PDLC duplexer comprises first conductive layer, polymer dispersed liquid crystal layer that stacks gradually and second conductive layer that contacts with described first bonding coat, and the edge of described first conductive layer partly contacts with described first bonding coat.
Advantage of the present utility model is:
Because the utility model adopts PDLC duplexer and glass to carry out stacked form and forms dimming glass, make this dimming glass not to the requirement of the goodness of fit of glass, and relative to existing technologies, this dimming glass is with respect to common glass, its thickness change amount is very little, therefore in the time of on being applied to automotive window, do not need the structure and the corresponding parts of door rail are changed accordingly.And this dimming glass is with respect to existing dimming glass, and its structure is simple relatively, and cost is lower.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of dimming glass of providing of the utility model;
Fig. 2 is the structural representation of the PDLC duplexer of a kind of embodiment of dimming glass of providing of the utility model;
Fig. 3 is the cross sectional representation of a kind of embodiment of dimming glass of providing of the utility model.
Embodiment
Clearer for technical matters, technical scheme and beneficial effect that the utility model is solved, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
The utility model provides a kind of dimming glass, as shown in Figure 1, this dimming glass comprises PDLC duplexer 20, first bonding coat 2 and the glass 1 that stacks gradually, described PDLC duplexer 20 comprises first conductive layer 5, polymer dispersed liquid crystal layer 4 that stacks gradually and second conductive layer 3 that contacts with described first bonding coat 2, and the edge of described first conductive layer 5 contacts with described first bonding coat, 2 parts.In the utility model, described glass 1 can be preferably bend glass.
In the utility model; the edge of described first conductive layer 5 is by contacting with described first bonding coat, 2 parts; thereby make described first conductive layer 5, first bonding coat 2 and glass 1 form a closed interval to hold the described polymer dispersed liquid crystal layer 4 and second conductive layer 3; further; described first conductive layer 5, first bonding coat 2 and second conductive layer 3 form a closed interval; to hold described polymer dispersed liquid crystal layer 4; prevent that aqueous vapor from entering; avoid destroying the electric conductivity of conductive layer, reach purpose its protection.
And in order to regulate the transparency of dimming glass more easily, described PDLC duplexer 20, first bonding coat 2 and glass 1 all are transparent, and the transmittance of each layer is preferably more than 88% separately.
In concrete implementation process, adopt radium-shine laser cutting machine that described PDLC duplexer 20 is cut, make the area of described PDLC duplexer 20 less than the area of described glass 1, particularly, described PDLC duplexer 20 is of similar shape with described glass 1, when both placed with one heart, the outward flange of described PDLC duplexer 20 was with respect to the 5mm that contracts in the described glass 1.At this moment, the cutting fully that is cut into for PDLC duplexer 20 is about to described first conductive layer 5, polymer dispersed liquid crystal layer 4 and second conductive layer 3 and cuts off simultaneously.
In described PDLC duplexer 20, described first conductive layer 5 and second conductive layer 3 mainly play electric action, in use, first conductive layer 5 and second conductive layer 3 are by being electrically connected with external control circuit, thereby on described polymer dispersed liquid crystal layer 4, apply certain voltage, so can make as required polymer dispersed liquid crystal layer transparent and opaque between change.As shown in Figure 2, for described PDLC duplexer 20, the area of described first conductive layer 5 that it comprises is greater than the area of described second conductive layer 3.More preferably, described first conductive layer 5 and second conductive layer 3 are of similar shape, and overlapping and when placing with one heart at both, and the outer peripheral distance that the outward flange of described first conductive layer 5 exceeds described second conductive layer 3 is 5-10mm.For example, in concrete implementation process, adopt radium-shine laser cutting machine, control the energy of radium-shine laser cutting machine, has a side of second conductive layer 3 at described PDLC duplexer 20, around the edge ring cutting 5mm of described second conductive layer 3, so that when described first conductive layer 5 and second conductive layer, 3 arranged concentric, the outward flange of described second conductive layer 3 is existing for the 5mm that contracts in first conductive layer 5, thereby makes the area of described first conductive layer 5 greater than the area of described second conductive layer 3.
Simultaneously, described first conductive layer 5 and second conductive layer 3 that comprise for described PDLC duplexer 20, described first conductive layer 5 and second conductive layer 3 include base material respectively, described base material is a transparent polyester class material, and for example described base material is a kind of in polyethylene terephthalate (PET), polymethylmethacrylate (PMMA) or the polycarbonate (PC).On described base material by vacuum plating ITO (tin indium oxide) thus film has formed described first conductive layer 5 and second conductive layer 3, except that described ITO film, can also be by on described base material, plating AZO (Zinc-aluminium) film or IZO (indium-zinc oxide) film etc.
As shown in Figure 3, this dimming glass also comprises first metal forming 72 and second metal forming 71, and described first metal forming 72 and second metal forming 71 are electrically connected with first conductive layer 5 and second conductive layer 3 respectively, draw the electrode of this dimming glass thus.Simultaneously, printing conductive silver slurry on the conducting surface of described first conductive layer 5 and second conductive layer 3, thus draw lead-in wire 8 by described first metal forming 72 and second metal forming 71.In concrete implementation process, this dimming glass also comprises second bonding coat 10 and the transparent adhesive tape lamella 9 that stacks gradually, and described second bonding coat 10 contacts with described first conductive layer 5 and first metal forming 72.Described transparent adhesive tape lamella 9 is mainly used in the protection of described first metal forming 72 and first conductive layer 5.Because in described second conductive layer, 3 one sides, described second metal forming 71 has been subjected to the protection of described first bonding coat 2, thus, and herein needn't in addition extra safeguard measure.For example; when described first metal forming 72 is exposed in the air; need protect it; can seal at described electrode place and 20 applyings of described PDLC duplexer by second bonding coat 10 and the onesize transparent adhesive tape lamella 9 of a slice that adopts a slice 12mm * 120mm size; in particular; be that described transparent adhesive tape lamella 9 passes through described second bonding coat 10, fit, reach purpose its protection with described first conductive layer 5 and first metal forming 72.During concrete enforcement, the material of described transparent adhesive tape lamella 9 can not carry out detailed giving unnecessary details to it here for common transparent protective materials.
The material of described first bonding coat 2 and second bonding coat 10 is ethylene-vinyl acetate copolymer (EVA) or polyvinyl butyral (PVB).EVA is a kind of solvent, not water content, 100% solid and polymkeric substance with meltability of not needing, be solid at normal temperatures, heating and melting becomes the liquid adhesive that can flow and have certain viscosity to a certain degree the time, is light brown translucent body or this white after its fusion.PVB is the condensation product of polyvinyl alcohol (PVA) and butyraldehyde, and normal temperature for solid, is the transparency liquid bonding agent behind the hot melt down.When selecting these materials for use, bonding coat also has good toughness and elasticity, and when being subjected to the external force collision fragmentation, bonding coat can produce bigger buffering, glass fragment can also be attached on together, does not hurt sb.'s feelings thereby can not disperse.
Because the utility model adopts PDLC duplexer 20 and glass 1 to carry out stacked form and forms dimming glass, make this dimming glass not to the requirement of the goodness of fit of glass 1, and relative to existing technologies, this dimming glass is with respect to common glass 1, its thickness change amount is very little, therefore in the time of on being applied to automotive window, do not need the structure and the corresponding parts of door rail are changed accordingly.And this dimming glass is with respect to existing dimming glass, and its structure is simple relatively, and cost is lower.
Below by a specific embodiment, understand the utility model with better.
This embodiment 1 is used to prepare this dimming glass.
(1) making of PDLC duplexer 20
Coated polymeric dispersing liquid crystal layer 4 between the relative conducting surface of first conductive layer 5 and second conductive layer 3 through fitting, solidifying, is prepared into PDLC duplexer 20 again.
Use radium-shine laser cutting machine with PDLC duplexer 20 according to the bend glass drawing, cut into the edge and be slightly less than duplexer about glass 10.5cm, described PDLC duplexer 20 is cut off fully, the energy of regulating radium-shine laser cutting machine then is original about 50%, keep to the side about edge 5mm around the ring cutting PDLC duplexer 20, so that the area of described first conductive layer 5 is greater than the area of described second conductive layer 3.
Coated with conductive silver slurry is fitted in two Copper Foils respectively on two conductive layers on an end end face of two conductive layers, and picks out from Copper Foil and respectively to draw a lead-in wire.Wherein, two conductive layers all are polycarbonate that the surface has indium tin oxide conductive film.
(2) making of dimming glass
At first, clean a bend glass, first bonding coat 2 is cut into the size same with bend glass, and its subsides are placed on the bend glass; Overlay on first bonding coat 2 cutting into the PDLC duplexer 20 identical, after folding in order, put and vacuumize silica gel strip, finish and close sheet, obtain the first body of dimming glass with the shape of bend glass.
The first body of dimming glass is put into the heating in vacuum still, at first be evacuated to 0.7～0.9atm under the normal temperature, in the first body of dimming glass, there are not air or bubble, beginning progressively heats up and heats, and keep the vacuum constant, and make the bend glass surface temperature be raised to more than 100 ℃, treat that first bonding coat 2 in the first body of dimming glass melts fully, be incubated 30 minutes, stop to vacuumize, from the heating in vacuum still, take out sample, be placed on and sharply cool to room temperature in the air, be the dimming glass that the utility model provides.
During heating, its area is slightly larger than first bonding coat 2 fusing of PDLC duplexer 20, thereby with sealing around the two conductive layers of PDLC duplexer 20, and fits fully, and then prevents aqueous vapor from entering fully and destroy the electric conductivity of two conductive layers.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (7)
1. dimming glass, it is characterized in that, this dimming glass comprises PDLC duplexer, first bonding coat and the glass that stacks gradually, described PDLC duplexer comprises first conductive layer, polymer dispersed liquid crystal layer that stacks gradually and second conductive layer that contacts with described first bonding coat, and the edge of described first conductive layer partly contacts with described first bonding coat.
2. dimming glass as claimed in claim 1 is characterized in that the area of described first conductive layer is greater than the area of described second conductive layer.
3. dimming glass as claimed in claim 2, it is characterized in that, described first conductive layer and second conductive layer are of similar shape, and overlapping and when placing with one heart at both, and the outer peripheral distance that the outward flange of described first conductive layer exceeds described second conductive layer is 5-10mm.
4. dimming glass as claimed in claim 3 is characterized in that, described first conductive layer and second conductive layer include base material respectively, and described base material is a kind of in polyethylene terephthalate, polymethylmethacrylate or the polycarbonate.
5. dimming glass as claimed in claim 1 is characterized in that, this dimming glass also comprises first metal forming and second metal forming, and described first metal forming and second metal forming are electrically connected with first conductive layer and second conductive layer respectively.
6. dimming glass as claimed in claim 5 is characterized in that, this dimming glass also comprises second bonding coat and the transparent adhesive tape lamella that stacks gradually, and described second bonding coat contacts with described first conductive layer and first metal forming.
7. as claim 1 or 6 described dimming glass, it is characterized in that the material of described first bonding coat and second bonding coat is ethylene-vinyl acetate copolymer or polyvinyl butyral.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202049888U CN201540423U (en) | 2009-09-23 | 2009-09-23 | dimming glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202049888U CN201540423U (en) | 2009-09-23 | 2009-09-23 | dimming glass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201540423U true CN201540423U (en) | 2010-08-04 |
Family
ID=42591884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202049888U Expired - Lifetime CN201540423U (en) | 2009-09-23 | 2009-09-23 | dimming glass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201540423U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104977711A (en) * | 2015-05-22 | 2015-10-14 | 上海理鑫光学科技有限公司 | Light dimming glass enhancing visible light transmittance |
| CN106226929A (en) * | 2016-08-31 | 2016-12-14 | 潍坊恒彩数码影像材料有限公司 | A kind of pdlc film for electronic-control dimming glass |
| CN106313794A (en) * | 2016-10-13 | 2017-01-11 | 衡山县佳诚新材料有限公司 | Composite heat insulation dimming glass and preparation method thereof |
| TWI574077B (en) * | 2016-02-05 | 2017-03-11 | 位元奈米科技股份有限公司 | Method for manufacturing optical compound film structure with controllable transparency pattern changes |
| CN107390436A (en) * | 2017-08-09 | 2017-11-24 | 珠海兴业应用材料科技有限公司 | Edge sealing process of light adjusting film for PVB laminated light adjusting glass |
| CN111708207A (en) * | 2020-07-26 | 2020-09-25 | 河南恒鑫丰安防科技有限责任公司 | Multifunctional intelligent glass system |
| WO2020238672A1 (en) * | 2019-05-24 | 2020-12-03 | 京东方科技集团股份有限公司 | Switchable glass and preparation method therefor |
| CN112682727A (en) * | 2020-12-31 | 2021-04-20 | 欧普照明股份有限公司 | Dimmable lamp |
-
2009
- 2009-09-23 CN CN2009202049888U patent/CN201540423U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104977711A (en) * | 2015-05-22 | 2015-10-14 | 上海理鑫光学科技有限公司 | Light dimming glass enhancing visible light transmittance |
| CN104977711B (en) * | 2015-05-22 | 2017-08-11 | 上海理鑫光学科技有限公司 | A kind of dimming glass for improving visible light transmittance rate |
| TWI574077B (en) * | 2016-02-05 | 2017-03-11 | 位元奈米科技股份有限公司 | Method for manufacturing optical compound film structure with controllable transparency pattern changes |
| CN106226929A (en) * | 2016-08-31 | 2016-12-14 | 潍坊恒彩数码影像材料有限公司 | A kind of pdlc film for electronic-control dimming glass |
| CN106313794A (en) * | 2016-10-13 | 2017-01-11 | 衡山县佳诚新材料有限公司 | Composite heat insulation dimming glass and preparation method thereof |
| CN106313794B (en) * | 2016-10-13 | 2023-09-19 | 衡山县佳诚新材料有限公司 | Composite heat-insulating dimming glass and preparation method thereof |
| CN107390436A (en) * | 2017-08-09 | 2017-11-24 | 珠海兴业应用材料科技有限公司 | Edge sealing process of light adjusting film for PVB laminated light adjusting glass |
| WO2020238672A1 (en) * | 2019-05-24 | 2020-12-03 | 京东方科技集团股份有限公司 | Switchable glass and preparation method therefor |
| CN111708207A (en) * | 2020-07-26 | 2020-09-25 | 河南恒鑫丰安防科技有限责任公司 | Multifunctional intelligent glass system |
| CN112682727A (en) * | 2020-12-31 | 2021-04-20 | 欧普照明股份有限公司 | Dimmable lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100804 |
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| CX01 | Expiry of patent term |