CN105549252A - Dimming glass and optical device applying same - Google Patents
Dimming glass and optical device applying same Download PDFInfo
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- CN105549252A CN105549252A CN201410595809.3A CN201410595809A CN105549252A CN 105549252 A CN105549252 A CN 105549252A CN 201410595809 A CN201410595809 A CN 201410595809A CN 105549252 A CN105549252 A CN 105549252A
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- glass
- liquid crystal
- dimming glass
- protective layer
- polymer dispersed
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Abstract
A dimming glass comprises a polymer disperse liquid crystal (PDLC) film, two transparent glass panels arranged on two opposite surfaces of the PDLC film, a transparent glue layer arranged between each transparent glass panel and the PDLC film, and a conductive assembly electrically connected with the PDLC film and an outer power source; the conductive assembly comprises conductive sheets electrically connected with the PDLC film and at least two wires electrically connected with each conductive sheet; the dimming glass also comprises a protection layer at least combined with periphery of the PDLC film and two transparent glue layers, and a resin layer combined with the surface, far away from the PDLC film and two transparent glue layers, of the protection layer; the resin arranged on the surface of the protection layer is used for sealing connecting portions between the wires and the conductive sheets, thus effectively preventing water and/or oxygen from entering the PDLC film through the connecting portions between the wires and the conductive sheets, and prolonging the life of the dimming glass; in addition, the invention also provides an optical device applying the dimming glass.
Description
Technical field
The present invention relates to a kind of dimming glass and apply the optical device of this dimming glass.
Background technology
Dimming glass has another name called intelligent electric-controlled dimming glass, automatically controlled glass, intelligent dimming glass, magic glass, liquid-crystalline glasses etc.Dimming glass can by control system of switching on or off electricity light through, wherein in dimming glass, topmost element is Polymer Dispersed Liquid Crystal (Polymerdispersedliquidcrystal, PDLC) film.
Pdlc film is a kind of photoelectricity composite material, is the potpourri containing polymer monomer and liquid crystal material.Pdlc film can be made to change between transparent opaque by extra electric field.Pdlc film is clipped between two sheet glass, can be made into dimming glass.But, be easily subject to the impact of ambient water and/or oxygen the serviceable life of pdlc film.For the dimming glass of prior art, water and/or oxygen easily infiltrate to pdlc film from the wire of dimming glass.At present, part producer uses secondary gluing processing procedure to solve the problem of water and/or oxygen infiltration.But there is complex procedures and the problem such as glue-line is blocked up in secondary gluing.
Summary of the invention
In view of this, the dimming glass that a kind of waterproof and/or oxygen better performances are provided is necessary.
Separately, there is a need to provide a kind of optical device applying above-mentioned dimming glass.
A kind of dimming glass, it comprises polymer dispersed liquid crystal film, be arranged at two transparent glass panels on two relative surfaces of this polymer dispersed liquid crystal film respectively, be incorporated into the substratum transparent between this polymer dispersed liquid crystal film and each transparent glass panel, and the conductive component be electrically connected between this polymer dispersed liquid crystal film and external power source, this conductive component comprises the conducting strip be electrically connected with polymer dispersed liquid crystal film and at least two wires be electrically connected with each conducting strip, described dimming glass also comprises the protective layer of the periphery being at least incorporated into polymer dispersed liquid crystal film and two substratum transparents, and be incorporated into the resin bed of this protective layer away from the surface of polymer dispersed liquid crystal film, this resin bed seals the junction of described wire and conducting strip.
A kind of optical device, it comprises above-mentioned dimming glass.
Dimming glass of the present invention arranges a resin bed at this protective layer away from the surface of described polymer dispersed liquid crystal film and two substratum transparents, and resin bed is fixed and is sealed the junction of described wire and conducting strip, thus effectively prevent water and/or oxygen to infiltrate the inside to polymer dispersed liquid crystal film from the edge of dimming glass or wire, the serviceable life of polymer dispersed liquid crystal film and dimming glass can be extended.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the dimming glass of better embodiment of the present invention.
Fig. 2 is for the dimming glass shown in Fig. 1 is along the fragmentary sectional view of II-II.
Fig. 3 is the fragmentary sectional view along II-II of another embodiment of dimming glass shown in Fig. 1.
Fig. 4 is the fragmentary sectional view along II-II of the another embodiment of dimming glass shown in Fig. 1.
Main element symbol description
| Dimming glass | 100 |
| Pdlc film | 10 |
| Transparent glass panel | 20 |
| First face glass | 21 |
| Part I | 211 |
| Part II | 212 |
| First surface | 2121 |
| Second surface | 2122 |
| Second face glass | 22 |
| Substratum transparent | 30 |
| Conductive component | 40 |
| Wire | 41 |
| Conducting strip | 42 |
| Protective layer | 50 |
| Resin bed | 60 |
| Rigid member | 70 |
Following embodiment will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Embodiment
Refer to Fig. 1 ~ 2, better embodiment of the present invention provides a kind of dimming glass 100, it is applied to the (not shown) such as optical device, building glass or glass for vehicle window, and this optical device can be optical modulator, thermosensitive device, pressure-sensitive device, automatically controlled glass, light valve, the projection display, e-book etc.This dimming glass 100 comprises Polymer Dispersed Liquid Crystal (PDLC) film 10, two transparent glass panels 20 being arranged at two relative surfaces of this pdlc film 10 respectively, the conductive component 40 that is incorporated into the substratum transparent 30 between this pdlc film 10 and each transparent glass panel 20 and is electrically connected at for conducting electricity between this pdlc film 10 and external power source (not shown).
This conductive component 40 comprises at least two wires 41 and joins Fig. 1 with the conducting strip 42(that this each wire 41 is electrically connected).This conducting strip 42 can be the conductive sheets such as Copper Foil, aluminium foil or graphite sheet.Wherein, each conducting strip 42 is electrically connected at this pdlc film 10, and each wire 41 is communicated with corresponding conducting strip 42 and external power source.
This dimming glass 100 also comprises the periphery that is at least incorporated into pdlc film 10 and two substratum transparents 30 and infiltrates to the protective layer 50 in pdlc film 10 for anti-sealing and/or oxygen and be incorporated into the resin bed 60 of this protective layer 50 away from the surface of described pdlc film 10 and two substratum transparents 30.This resin bed 60 is for fixing and sealing the junction of described wire 41 and conducting strip 42, thus anti-sealing and/or oxygen infiltrate in pdlc film 10 via this wire 41 and conducting strip 42 place.
The material of described protective layer 50 can be the liquid gluing of solvent volatile-type, the liquid gluing of UV curing type etc.The thickness range of described protective layer 50 is 50 ~ 200 μm.
The material of described resin bed 60 can be the resin that epoxy resin, acryl resin, urethane resin etc. have adhesive property.The thickness range of described resin bed 60 is 1 ~ 3mm.
Liquid crystal in described pdlc film 10 can be cholesterol liquid crystal, bistable liquid crystal, to column liquid crystal etc.When external power source is energized to pdlc film 10, the both sides of this pdlc film 10 produce potential difference (PD), the orientation of the liquid crystal in pdlc film 10 are changed into regularly arranged, and light can free penetrating, thus makes the transparent state of dimming glass 100; When closing external power source, the liquid crystal in pdlc film 10 recovers the state of irregular arrangement, and light cannot be penetrated, thus makes dimming glass 100 in opaque outward appearance, so namely reaches the object of light modulation.
The material of described substratum transparent 30 can be the transparent resin such as polyvinyl butyral (PVB), ethene-polyvinyl acetate multipolymer (EVA), optical cement (OpticalClearAdhesive, OCA), epoxy glue.
In the present embodiment, described conductive component 40 also comprises at least two electrode (not shown) being arranged at the produced uniform electric field be connected between two transparent glass panels 20 and with described pdlc film 10.Please consult Fig. 2 further, described wire 41 part is embedded in resin bed 60, and connects with conducting strip 42.Each conducting strip 42 one end described and wire 41 are electrically connected, and the other end and electrode are electrically connected.More specifically, one end of this conducting strip 42 is arranged in pdlc film 10, and the other end is arranged in resin bed 60, and center section is through described protective layer 50.
In the present embodiment, described protective layer 50 combines and is covered in the periphery of described pdlc film 10, two substratum transparent 30 and two transparent glass panels 20.
Please consult Fig. 3 further, described resin bed 60 also comprises at least one rigid member 70, described rigid member 70 is arranged at the edge of resin bed 60 away from protective layer 50, for improving the structural strength at the edge of the resin bed 60 of described dimming glass 100, when avoiding using for a long time, wire 41 rocks and between wire 41 and resin bed 60, produces gap, guarantees that water and/or oxygen do not infiltrate the inside to pdlc film 10 from the peripheral region of wire 41.In the present embodiment, in described resin bed 60, be provided with two rigid members 70, be arranged at two edges away from protective layer 50 of resin bed 60 respectively.This rigid member 70 is made up of the rigid material that the hardness such as metal, glass is larger.
Please consult Fig. 4 further, in other embodiments, described protective layer 50 combines and is covered in the periphery of described pdlc film 10, two substratum transparent 30 and a wherein transparent glass panel 20.By two transparent glass panels 20 called after first face glass 21 and the second face glass 22 respectively.The size of this first face glass 21 is greater than the size of this second face glass 22.This first face glass 21 comprises with the measure-alike of this second face glass 22 and the Part I 211 concordant with the second face glass 22 and by the outward extending Part II 212 of this Part I 211.This Part II 212 has one near the first surface 2121 of described substratum transparent 30 and the second surface 2122 vertical with this first surface.Described protective layer 50 is incorporated into the periphery of the second face glass 22, pdlc film 10 and two substratum transparents 30.Described resin bed 60 is incorporated into the surface away from the second face glass 22 of protective layer 50, and the second surface 2122 of the Part II 212 of described first face glass 21 is concordant away from the surface of protective layer 50 with described resin bed 60.Further, this protective layer 50 and described resin bed 60 are also incorporated into the first surface 2121 of described Part II 212.Adopt above structure, the External Force Acting that the Part II 212 available buffer resin bed 60 of this first face glass 21 is subject to, resin bed 60 is not easily departed from, thus is conducive to improving the bond strength between resin bed 60 and pdlc film 10, two substratum transparent 30, first face glass 21 and the second face glass 22.Understandable, for improving the structural strength at resin bed 60 edge further, in resin bed 60, above-mentioned at least one rigid member 70 also can be comprised.
Dimming glass 100 of the present invention arranges a resin bed 60 on the surface away from described pdlc film 10 and two substratum transparents 30 of this protective layer 50, and resin bed 60 is fixed and is sealed the junction of described wire 41 and conducting strip 42, thus effective anti-sealing and/or oxygen infiltrate the inside to pdlc film 10 from the edge of dimming glass 100 or wire 41, can extend the serviceable life of pdlc film 10 and dimming glass 100.
Claims (10)
1. a dimming glass, it comprises polymer dispersed liquid crystal film, be arranged at two transparent glass panels on two relative surfaces of this polymer dispersed liquid crystal film respectively, be incorporated into the substratum transparent between this polymer dispersed liquid crystal film and each transparent glass panel, and the conductive component be electrically connected between this polymer dispersed liquid crystal film and external power source, this conductive component comprises the conducting strip be electrically connected with polymer dispersed liquid crystal film and at least two wires be electrically connected with each conducting strip, it is characterized in that: described dimming glass also comprises the protective layer of the periphery being at least incorporated into polymer dispersed liquid crystal film and two substratum transparents, and be incorporated into the resin bed of this protective layer away from the surface of polymer dispersed liquid crystal film, this resin bed seals the junction of described wire and conducting strip.
2. dimming glass as claimed in claim 1, is characterized in that: the material of described protective layer is the liquid gluing of solvent volatile-type or the liquid gluing of curing type.
3. dimming glass as claimed in claim 1, is characterized in that: the material of described resin bed is epoxy resin, acryl resin or urethane resin.
4. dimming glass as claimed in claim 1, it is characterized in that: described conductive component also comprises at least two electrodes being placed in and connecting between two transparent glass panels and with described polymer dispersed liquid crystal film, one end of each conducting strip and wire are electrically connected, and the other end and electrode are electrically connected.
5. dimming glass as claimed in claim 1, is characterized in that: described protective layer combines and is covered in the periphery of described polymer dispersed liquid crystal film, two transparent glass panels and two substratum transparents.
6. dimming glass as claimed in claim 5, it is characterized in that: be provided with at least one rigid member in described resin bed, this rigid member is positioned at the edge of resin bed away from protective layer.
7. dimming glass as claimed in claim 6, is characterized in that: described rigid member is made up of metal or glass.
8. dimming glass as claimed in claim 1, it is characterized in that: described two transparent glass panels are respectively the first face glass and the second face glass, the size of this first face glass is greater than the size of this second face glass, this first face glass comprises measure-alike and concordant with the second face glass Part I with described second face glass, and by the outward extending Part II of this Part I, this Part II has one near the first surface of described substratum transparent and the second surface vertical with this first surface, described protective layer is incorporated into the second face glass, the periphery of polymer dispersed liquid crystal film and two substratum transparents, described resin layers is in the surface away from the second face glass of protective layer, and described second surface is concordant away from the surface of protective layer with described resin bed.
9. dimming glass as claimed in claim 8, is characterized in that: this protective layer and resin bed are also incorporated into the first surface of described Part II.
10. an optical device, is characterized in that: this optical device comprises the dimming glass described in claim 1 ~ 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410595809.3A CN105549252B (en) | 2014-10-30 | 2014-10-30 | The optical device of dimming glass and the application dimming glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410595809.3A CN105549252B (en) | 2014-10-30 | 2014-10-30 | The optical device of dimming glass and the application dimming glass |
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| Publication Number | Publication Date |
|---|---|
| CN105549252A true CN105549252A (en) | 2016-05-04 |
| CN105549252B CN105549252B (en) | 2018-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410595809.3A Active CN105549252B (en) | 2014-10-30 | 2014-10-30 | The optical device of dimming glass and the application dimming glass |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN115324459A (en) * | 2022-06-20 | 2022-11-11 | 福建羿门科技有限公司 | OCA and AB glue laminated light modulation film glass and processing method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103069333A (en) * | 2010-06-25 | 2013-04-24 | 法国圣-戈班玻璃公司 | Laminated glazing with variable diffusion by liquid crystals, method for the production thereof and device for the production of same |
| US20140071653A1 (en) * | 2011-05-13 | 2014-03-13 | 3M Innovative Properties Company | Back-lit transmissive display having variable index light extraction layer |
-
2014
- 2014-10-30 CN CN201410595809.3A patent/CN105549252B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103069333A (en) * | 2010-06-25 | 2013-04-24 | 法国圣-戈班玻璃公司 | Laminated glazing with variable diffusion by liquid crystals, method for the production thereof and device for the production of same |
| US20140071653A1 (en) * | 2011-05-13 | 2014-03-13 | 3M Innovative Properties Company | Back-lit transmissive display having variable index light extraction layer |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN115324459A (en) * | 2022-06-20 | 2022-11-11 | 福建羿门科技有限公司 | OCA and AB glue laminated light modulation film glass and processing method thereof |
| CN115324459B (en) * | 2022-06-20 | 2024-01-02 | 福建羿门科技有限公司 | OCA and AB glue-sandwiched light-adjusting film glass and processing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105549252B (en) | 2018-10-26 |
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