CN203025444U - Polymer dispersed liquid crystal dimming glass - Google Patents

Polymer dispersed liquid crystal dimming glass Download PDF

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Publication number
CN203025444U
CN203025444U CN 201220557100 CN201220557100U CN203025444U CN 203025444 U CN203025444 U CN 203025444U CN 201220557100 CN201220557100 CN 201220557100 CN 201220557100 U CN201220557100 U CN 201220557100U CN 203025444 U CN203025444 U CN 203025444U
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CN
China
Prior art keywords
polymer dispersed
dispersed liquid
liquid crystal
dimming glass
transparent conductive
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Expired - Fee Related
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CN 201220557100
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Chinese (zh)
Inventor
赵云
潘雪丰
张斌
陶卫东
周雄
董建峰
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Ningbo University
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Ningbo University
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Priority to CN 201220557100 priority Critical patent/CN203025444U/en
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Abstract

The utility model discloses a piece of polymer dispersed liquid crystal dimming glass which comprises two basal bodies and a polymer dispersed liquid crystal membrane. A glass sheet is used as no more than one basal body, and optical filters are used as the rest of the basal bodies. The surfaces of inner sides of the two basal bodies are respectively provided with a layer of transparent conductive membrane in a plating mode. The polymer dispersed liquid crystal membrane is arranged between the two layers of transparent conductive membranes. The piece of polymer dispersed liquid crystal dimming glass has the advantages that the glass sheet and an optical filter are used as the basal bodies, or the two optical filters are used as the basal bodies, the surfaces of the inner sides of the two basal bodies are respectively provided with the layer of transparent conductive membrane in the plating mode, the polymer dispersed liquid crystal membrane is arranged between the two layers of transparent conductive membranes, and therefore various kinds of oily dye or nano particles are not required to be mixed in the polymer dispersed liquid crystal membrane to modulate the wavelength of an optical wave, the optical filters used as the basal bodies are only required to be replaced to achieve filtering modulation of the wavelength of the optical wave of transmission light to various degrees, the dimming capacity of the piece of polymer dispersed liquid crystal dimming glass is greatly improved, and diversified development is further benefited.

Description

A kind of Polymer Dispersed Liquid Crystal dimming glass
Technical field
The utility model relates to a kind of dimming glass, especially relates to a kind of Polymer Dispersed Liquid Crystal dimming glass.
Background technology
Polymer Dispersed Liquid Crystal (PDLC, Polymer dispersed liquid crystal) is the emerging photoelectric material that grows up a kind of eighties in 20th century, closely always is the study hotspot of researcher decades.Polymer Dispersed Liquid Crystal has that preparation technology is simple, the response time is fast, need not the advantage such as polarizer, is applied to gradually in many electronic components such as light valve, grating, transparent projection screens, dimming glass.Dimming glass is also referred to as the electronics curtain, and its principle of work is: when closing the power supply of dimming glass, the liquid crystal molecule in dimming glass presents irregular spread state, and this moment, light can't be injected, and dimming glass is opaque state; After the power supply of opening dimming glass, the liquid crystal molecule in dimming glass presents neat ordered state, and this moment, light can free penetrating, and dimming glass is pellucidity.Because dimming glass possesses this dimming characteristic, so it is by office building, medical institutions, the extensively employing of the contour shunting yard of commercial exhibition institute.
Existing Polymer Dispersed Liquid Crystal dimming glass roughly can be divided into two large classes: a class is traditional Polymer Dispersed Liquid Crystal dimming glass, and it is by changing the transmission light intensity to reach the purpose of light modulation; Another kind of is novel Polymer Dispersed Liquid Crystal dimming glass, it realizes modulating action to optical wavelength by doping some nano particles or oil-soluble coloured dye in polymer dispersed liquid-crystal film, it not only can regulate and control light intensity, and can modulate color or the wavelength of emergent light.Along with advancing of epoch, traditional Polymer Dispersed Liquid Crystal dimming glass can not satisfy people's demand gradually, and this has just proposed strong requirement to the development of novel Polymer Dispersed Liquid Crystal dimming glass.Yet well-known, nano particle or dye molecule require very high to solvent, and suitable solvent is not only very limited, and their solubleness in solvent is also very limited; Most of organic dyestuff all exists certain contaminative and toxicity in addition, and this utmost point is unfavorable for the diversified development of novel Polymer Dispersed Liquid Crystal dimming glass.
Summary of the invention
Technical problem to be solved in the utility model be to provide a kind of simple in structure, cost is low, requirement on machining accuracy is low, and can realize simply and effectively the Polymer Dispersed Liquid Crystal dimming glass to optical wavelength and the effect of light intensity dual modulation.
The utility model solves the problems of the technologies described above the technical scheme that adopts: a kind of Polymer Dispersed Liquid Crystal dimming glass, comprise two matrixes and polymer dispersed liquid-crystal film, it is characterized in that described matrix adopting glass sheet at the most, all the other described matrix adopting optical filters, all plate on the inner surface of two described matrixes and be provided with the layer of transparent conductive film, described polymer dispersed liquid-crystal film is arranged between two-layer described transparent conductive film.
Described transparent conductive film adopts the tin indium oxide conductive film or adopts the zinc oxide transparent conductive film of aluminium doping.
Described optical filter is color filter or Thin Film Filter.
Described color filter is green color filter or blue color filter or Red lightscreening plate.
Compared with prior art, the utility model has the advantage of:
1) Polymer Dispersed Liquid Crystal dimming glass of the present utility model adopts a glass sheet and optical filter as matrix or adopts two optical filters as matrix, and all the layer of transparent conductive film is established in plating on the inner surface of two matrixes, between two-layer transparent conductive film, polymer dispersed liquid-crystal film is set, need not like this to come the modulated light wave wavelength by mix different types of oiliness dyestuff or nano particle in polymer dispersed liquid-crystal film, only need take full advantage of existing optical filtering technique, the optical filter that namely serves as matrix by replacing just can be realized the transmitted light light wave filtering in various degree of different-waveband is modulated, not only greatly improved the dimming capability of Polymer Dispersed Liquid Crystal dimming glass, but also be beneficial to the diversified development of Polymer Dispersed Liquid Crystal dimming glass, simultaneously can put on voltage on the two-layer transparent conductive film of Polymer Dispersed Liquid Crystal dimming glass by change, change the transmitance of transmitted light, thereby realized the dual modulation effect of optical wavelength and light intensity.
2) Polymer Dispersed Liquid Crystal dimming glass of the present utility model can be selected dissimilar optical filter according to the actual needs, as other existing optical filter with optical filtering performance such as color filter, Thin Film Filter, to realize the flexible modulation to optical wavelength.
3) Polymer Dispersed Liquid Crystal dimming glass of the present utility model simple in structure, cost is low, environmental protection, and requirement on machining accuracy is low, is fit to large-scale production.
Description of drawings
Fig. 1 is the structural representation of the Polymer Dispersed Liquid Crystal dimming glass of embodiment one;
Fig. 2 is the structural representation of the Polymer Dispersed Liquid Crystal dimming glass of embodiment two;
Fig. 3 is the device for detection of the performance of Polymer Dispersed Liquid Crystal dimming glass of the present utility model;
Fig. 4 a is the traditional normalized transmittance change curve of Polymer Dispersed Liquid Crystal dimming glass under different voltages;
Fig. 4 b is the normalized transmittance change curve of Polymer Dispersed Liquid Crystal dimming glass under different voltages of embodiment one.
Embodiment
Embodiment is described in further detail the utility model below in conjunction with accompanying drawing.
Embodiment one:
A kind of Polymer Dispersed Liquid Crystal dimming glass that the present embodiment proposes, as shown in Figure 1, it comprises two matrixes 11 and the polymer dispersed liquid-crystal film 12 that is arranged in parallel, one of them matrix 11 adopts glass sheet 111, another matrix 11 adopts optical filter 112, all plate on the inner surface of the inner surface of glass sheet 111 and optical filter 112 and be provided with layer of transparent conductive film 13 as electrode, two-layer transparent conductive film 13 is oppositely arranged, and polymer dispersed liquid-crystal film 12 is arranged between two-layer transparent conductive film 13.
In this specific embodiment, transparent conductive film 13 can adopt existing tin indium oxide conductive film, also can adopt the zinc oxide transparent conductive film of aluminium doping.
In this specific embodiment, glass sheet 111 adopts existing common glass sheet; Optical filter 112 adopts color filter or Thin Film Filter, also can adopt the optical filter of other existing any maturation, adopt dissimilar optical filter can realize flexible modulation to the transmitted light light wave, can realize the light wave of different-waveband is modulated as the Thin Film Filter that adopts different structure; When adopting color filter as adopting common green color filter or blue color filter or Red lightscreening plate etc.
In this specific embodiment, polymer dispersed liquid-crystal film 12 adopts prior art, comprise liquid crystal material and polymeric material as common polymer dispersed liquid-crystal film, liquid crystal material adopts little molecule liquid crystal TEB30A, it is the ultraviolet glue of BBC102 that polymeric material adopts model, and polymer dispersed liquid-crystal film adopts the polymkeric substance phase disengagement method to be prepared from usually.
Embodiment two:
The difference of the structure that the Polymer Dispersed Liquid Crystal dimming glass that the present embodiment proposes and embodiment one provide only is: two matrixes 11 all adopt optical filter 112.The structure of the present embodiment as shown in Figure 2, it comprises two matrixes 11 and the polymer dispersed liquid-crystal film 12 that is arranged in parallel, two matrixes 11 all adopt optical filter 112, all plate on the inner surface of two optical filters 112 and be provided with layer of transparent conductive film 13 as electrode, two-layer transparent conductive film 13 is oppositely arranged, and polymer dispersed liquid-crystal film 12 is arranged between two-layer transparent conductive film 13.
In the present embodiment, two optical filters can adopt optical filter of the same type, also can adopt dissimilar optical filter.
Fig. 3 has provided the device for detecting performance of Polymer Dispersed Liquid Crystal dimming glass of the present utility model, it comprises incandescent lamp 21, fibre-optical probe 23, fiber spectrometer 24 and terminal 25, fiber spectrometer 24 is connected with terminal with fibre-optical probe 23 respectively and is connected, Polymer Dispersed Liquid Crystal dimming glass 22 of the present utility model is placed between incandescent lamp 21 and fibre-optical probe 23, when Polymer Dispersed Liquid Crystal dimming glass 22 of the present utility model is carried out the dimming behavior detection, after the white light process Polymer Dispersed Liquid Crystal dimming glass 22 that incandescent lamp 21 sends, emergent light is received by fibre-optical probe 23, will be for the data transmission that reflects dimming behavior to terminal 25 through fiber spectrometer 24, read again the data for the reflection dimming behavior from terminal 25.
Fig. 4 a has provided the normalized transmittance change curve of traditional Polymer Dispersed Liquid Crystal dimming glass under different voltages, and Fig. 4 b has provided the normalized transmittance change curve of Polymer Dispersed Liquid Crystal dimming glass (adopting green color filter as one of them matrix) under different voltages of embodiment one.Comparison diagram 4a and Fig. 4 b as can be known, Polymer Dispersed Liquid Crystal dimming glass of the present utility model has good transmission effects to green light band, and the light of its all band is had in various degree absorption, dimming effect is good.

Claims (4)

1. Polymer Dispersed Liquid Crystal dimming glass, comprise two matrixes and polymer dispersed liquid-crystal film, it is characterized in that described matrix adopting glass sheet at the most, all the other described matrix adopting optical filters, all plate on the inner surface of two described matrixes and be provided with the layer of transparent conductive film, described polymer dispersed liquid-crystal film is arranged between two-layer described transparent conductive film.
2. a kind of Polymer Dispersed Liquid Crystal dimming glass according to claim 1, is characterized in that described transparent conductive film adopts the tin indium oxide conductive film.
3. a kind of Polymer Dispersed Liquid Crystal dimming glass according to claim 1 and 2, is characterized in that described optical filter is color filter or Thin Film Filter.
4. a kind of Polymer Dispersed Liquid Crystal dimming glass according to claim 3, is characterized in that described color filter is green color filter or blue color filter or Red lightscreening plate.
CN 201220557100 2012-10-29 2012-10-29 Polymer dispersed liquid crystal dimming glass Expired - Fee Related CN203025444U (en)

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CN 201220557100 CN203025444U (en) 2012-10-29 2012-10-29 Polymer dispersed liquid crystal dimming glass

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103362321A (en) * 2013-08-07 2013-10-23 郑全忠 House of crystal structure
CN104394341A (en) * 2014-08-27 2015-03-04 寿文杰 Dimming screen projection system and projection method
CN105158958A (en) * 2015-09-28 2015-12-16 华南师范大学 Electroresponse dimming glass
WO2017080034A1 (en) * 2015-11-09 2017-05-18 深圳市华星光电技术有限公司 Method for manufacturing pdlc display apparatus, and pdlc display apparatus
CN106918963A (en) * 2015-12-28 2017-07-04 日立乐金光科技株式会社 Light modulator and the image display using the light modulator
US20210318563A1 (en) * 2019-05-24 2021-10-14 Beijing Boe Optoelectronics Technology Co., Ltd. Light adjusting glass

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103362321A (en) * 2013-08-07 2013-10-23 郑全忠 House of crystal structure
CN104394341A (en) * 2014-08-27 2015-03-04 寿文杰 Dimming screen projection system and projection method
CN105158958A (en) * 2015-09-28 2015-12-16 华南师范大学 Electroresponse dimming glass
CN105158958B (en) * 2015-09-28 2018-08-21 华南师范大学 A kind of electroresponse dimming glass
WO2017080034A1 (en) * 2015-11-09 2017-05-18 深圳市华星光电技术有限公司 Method for manufacturing pdlc display apparatus, and pdlc display apparatus
CN106918963A (en) * 2015-12-28 2017-07-04 日立乐金光科技株式会社 Light modulator and the image display using the light modulator
US20210318563A1 (en) * 2019-05-24 2021-10-14 Beijing Boe Optoelectronics Technology Co., Ltd. Light adjusting glass

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130626

Termination date: 20151029

EXPY Termination of patent right or utility model