CN1790118A - Preparation method of polymer dispersed liquid crystal film - Google Patents
Preparation method of polymer dispersed liquid crystal film Download PDFInfo
- Publication number
- CN1790118A CN1790118A CN 200510130736 CN200510130736A CN1790118A CN 1790118 A CN1790118 A CN 1790118A CN 200510130736 CN200510130736 CN 200510130736 CN 200510130736 A CN200510130736 A CN 200510130736A CN 1790118 A CN1790118 A CN 1790118A
- Authority
- CN
- China
- Prior art keywords
- liquid crystal
- monomer
- film
- pdlc
- contain
- 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.)
- Granted
Links
Images
Landscapes
- Liquid Crystal (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
The invention discloses a preparing method of polymeric dispersed liquid crystal film in the liquid crystal appliance domain, which comprises the following steps: blending the monomer and liquid crystal material evenly at quality percentage rate ranged from 2:8 to 5:5; mixing the glass microball and optical initiator evenly at certain proportion; coating the mixture between two transparent indium tin oxidation electrical plastic films; forming the film through rolling and squeezing; adapting 15-50 mW/cm2 ultraviolet to illuminate 1-15 min on the clear point of experimental mixture system at 0.5-150 deg.c; solidifying the PDLC film. The invention improves the heat stability and synthetic electric-light property.
Description
Technical field
The invention belongs to the liquid crystal applications technical field, a kind of preparation method of polymer dispersed liquid-crystal film particularly is provided, the membraneous material of preparation can be widely used in the research of liquid crystal display, intelligent glass and association area thereof.
Background technology
At present, Polymer Dispersed Liquid Crystal (Polymer Dispersed Liquid Crystal:PDLC) membraneous material has obtained using widely as the novel liquid crystal of a class/macromolecule membrane compound substance.It is that the form of micromolecule liquid crystal with droplet is dispersed in the polymeric matrix, and under outfield (as AC field, thermal field etc.) effect, this membraneous material can present two kinds of different optical states of transmission and scattering.The PDLC membraneous material has overcome the shortcoming of many conventional liquid crystal (Liquid Crystal Display:LCD), distance does not need strict control, substrate inside surface not to need orientation process between polaroid, two substrates as not needing, and therefore has wide potential application prospect aspect the liquid crystal display at the soft high brightness of preparation, wide visual angle.At present, at the research of PDLC membraneous material mainly concentrate on how to obtain contrast height, driving voltage low, the transmitance hysteresis phenomenon does not appear on dynamic image or the Projection Display, response speed is fast and the PDLC membraneous material of the excellent combination property that stability is high on.
The factor that influences PDLC thin-film electro-optical property mainly contains:
1.PDLC the phase distribution situation of film (comprising size, shape, self-organizing structures type of interaction between liquid crystal droplet and the polymer network, polymer network microscopic appearance, liquid crystal droplet etc.), at present being proved to be the method that can improve PDLC membraneous material performance effectively has: improve process conditions, adopt the preparation method, select compatibility suitable monomer and liquid crystal etc. for use.For example: document " process conditions are to the impact analysis of corresponding time of pdlc film " (electron device, 1996,9:175-177);
The material performance of Ying Yonging (comprise used liquid crystal and prepolymer type, add dye molecule etc.), the method of improving PDLC membraneous material performance more effectively has: the type that changes liquid crystal, select for use different monomers (to select for use monomer to note: the compatibility of the structure of monomer, molecular weight and liquid crystal etc.), to select corresponding light trigger type according to different raw materials.For example: document " Effect of Prepolymer Structure on theElectro-optic Performance of Polymer Dispersed Liquid Crystals " (PolymerInternational, 1998,46:143-149).
Summary of the invention
The objective of the invention is to: provide the preparation method of the novel PDLC membraneous material of a class to improve the thermal stability and the mechanical property of polymer network.
The present invention is by adding the rigidity monomer in the formula system of PDLC film, make its polymerization or form polymer network with other monomer copolymerizations, rigid chain segment is incorporated in the polymer network, utilizes the rigid chain segment of introducing to improve the stability of polymer network in the PDLC membraneous material; Utilize the phase separation of the compatibility control PDLC membraneous material of monomer and liquid crystal simultaneously, make it to form PDLC membraneous material with suitable polymer network structure.Thereby can when improving PDLC membraneous material thermal stability, improve its comprehensive electricity-optical property.
Key of the present invention is to determine to select for use the type of monomer, it should be noted that to contain the photopolymerizable compound with appropriate rigidity group in the monomer; The monomer of selecting for use simultaneously will have suitable compatibility with liquid crystal material.
The present invention is to be evenly mixed between 2: 8～5: 5 by mass percentage with monomer and liquid crystal material, (grade is 5-20 μ m to add glass microballoon, with the mixture quality ratio of liquid crystal and monomer be 1: 99), light trigger (with the mass ratio 5 of monomer: 95-10: 90) etc. mix by a certain percentage, be coated between the two-layer transparent indium tin oxide conductive plastic film, be squeezed into film by roller bearing, under the temperature between above 0.5 ℃～150 ℃ of monomer and the liquid crystal mixed system cleaning point (being the transition temperature of formula system from the anisotropic body to the isotropic body), the employing exposure intensity is 15-50mW/cm
2Ultraviolet light, shone 1～15 minute, be solidified into the PDLC film.
Monomer of the present invention, be the potpourri of photopolymerizable compound, the photopolymerizable compound and the oligomer thereof that contain strong rigid chain segment in the wherein said monomer, promptly contain palycyclic aromatic, contain condensed-nuclei aromatics, heterocycle, ring polyenoid, alicyclic hydrocarbon, contain alkynyl, contain functional group such as conjugated double bond etc. the photopolymerizable compound of rigid chain segment, or photopolymerizable compound more than the branch that side group polarity is strong, side group be shorter alkyl chain, side group or the like.
Liquid crystal material of the present invention is: with the nematic liquid crystal material of selected refractive index monomer to coupling.Described glass microballoon is 5-20 μ m, and its addition be liquid crystal and monomer the mixture system quality 0.5%～1%:; The uv absorption wave band of the ultraviolet photosensitive group that the uv absorption wave band of the ultraviolet photosensitive group that described light trigger contains should contain with selected monomer is consistent,, and with the mass ratio 5 of monomer: 95-10: 90.
The PDLC film advantage of the present invention's preparation is: owing to contain rigid chain segment in the polymer network of PDLC membraneous material, make the thermal stability of polymer network and mechanical property be improved, and then PDLC membraneous material stability is improved; Simultaneously because monomer and liquid crystal have suitable compatibility, can form the uniform PDLC membraneous material of polymer network mesh by regulating appropriate reaction conditions, comprehensive electricity-the optical property of the PDLC membraneous material that obtains is improved (contrast raises, and driving voltage has tangible reduction etc.).
Description of drawings
Fig. 1 is the polymer network electron scanning micrograph that does not add the PDLC film of acrylic acid cholesteryl ester.
Fig. 2 is the polymer network electron scanning micrograph of the PDLC film of adding acrylic acid cholesteryl ester.
Fig. 3 is the voltage-transmittance curve that adds the acrylic acid cholesteryl ester and do not add the PDLC film of acrylic acid cholesteryl ester, and curve 1 is the voltage-transmittance curve that does not add the PDLC membraneous material of rigidity monomer acrylic acid cholesteryl ester; Curve 2 is the voltage-transmittance curve of the PDLC membraneous material of adding rigidity monomer acrylic acid cholesteryl ester.
Fig. 4 be incubated contrast photo before and after 100 hours for the PDLC film that does not add the acrylic acid cholesteryl ester under vacuum environment, left side figure be before heating, and right side figure is after heating.
Fig. 5 is the PDLC film of adding acrylic acid cholesteryl ester is incubated 100 hours front and back under vacuum environment a contrast photo, and before left side figure was heating, right side figure was after heating.
Embodiment
Example 1
Selecting monomer for use is acrylic acid cholesteryl ester (laboratory self-control), Jia Jibingxisuanβ-Qiang Yizhi (Tianjin City Chemical Agent Research Institute, 98%), liquid crystal SLC7011-100 (strength gram liquid crystal material company limited, T
C=67 ℃), light trigger (IRG-651, the grand safe chemical industry of Jingjiang company limited), glass microballoon (SP-220, Sekisui chemical Co., LTD.).Is that 1.3/1.0/75.0/25.0 mixes with light trigger/glass microballoon/liquid crystal/monomer by mass ratio, and wherein the mass ratio of CA/HEMA is 0: 100-30: between 70.Mixture is coated between the two-layer transparent ITO conductive plastic film, is squeezed into film by roller bearing.With this film at a certain temperature, promptly between 14 ℃ to 50 ℃, adopting 365nm UV-irradiation intensity is 15.0mW/cm
2Down, solidified 10 minutes, make the PDLC film.
Test findings shows: under same film forming condition, the PDLC film that adds CA is compared with the PDLC film that does not add CA, add CA and can obtain the good PDLC film of polymer network microscopic appearance, comprehensive electricity-the optical property of PDLC film is improved (as shown in Figure 1, 2) simultaneously, 100 hours obviously do not change (shown in Fig. 3,4) of insulation under 100 ℃ of following vacuum environments of high temperature.
Example 2
Monomer is selected acrylic acid 4-(4-cyano-phenyl) phenol ester (laboratory self-control), Jia Jibingxisuanβ-Qiang Yizhi (Tianjin City Chemical Agent Research Institute, 98%) for use; Liquid crystal SLC7011-100 (strength gram liquid crystal material company limited, T
C=67 ℃; Light trigger (IRG-651, the grand safe chemical industry of Jingjiang company limited), and glass microballoon (SP-220, Sekisuichemical Co., LTD.).Is that 1.3/1.0/65.0/35.0 mixes with light trigger/glass microballoon/liquid crystal/monomer by mass ratio.Mixture is coated between the two-layer transparent ITO conductive plastic film, is squeezed into film by roller bearing.At 40 ℃, adopting 365nm UV-irradiation intensity is 35.0mW/cm with this film
2Under solidified 10 minutes, make the PDLC film.
Claims (2)
1, a kind of preparation method of polymer dispersed liquid-crystal film, it is characterized in that: with monomer and liquid crystal material is evenly mixed between 2: 8～5: 5 by mass percentage, adding glass microballoon, light trigger mix by a certain percentage, be coated between the two-layer transparent indium tin oxide conductive plastic film, be squeezed into film by roller bearing, at liquid crystal and more than the monomer mixed system cleaning point under the temperature between 0.5 ℃～150 ℃, the employing exposure intensity is 15-50mW/cm
2Ultraviolet light, shone 1～15 minute, be solidified into the PDLC film; The temperature that described cleaning point is liquid crystal and monomer mixed system when anisotropic body is converted into isotropic body.
2, in accordance with the method for claim 1, it is characterized in that: described monomer is the potpourri of photopolymerizable compound, the photopolymerizable compound and the oligomer thereof of the strong rigid chain segment that contains in the wherein said monomer, comprise: palycyclic aromatic, contain condensed-nuclei aromatics, heterocycle, the ring polyenoid, alicyclic hydrocarbon, contain alkynyl, contain conjugated double bond functional group etc. the photopolymerizable compound of rigid chain segment, or the photopolymerizable compound more than the branch that side group polarity is strong, side group be shorter alkyl chain, side group; Described liquid crystal material be and selected refractive index monomer to the coupling the nematic liquid crystal material, described glass microballoon is 5-20 μ m, its addition be liquid crystal and monomer the mixture system quality 0.5%～1%; The uv absorption wave band of the ultraviolet photosensitive group that the uv absorption wave band of the ultraviolet photosensitive group that described light trigger contains should contain with selected monomer is consistent, and with the mass ratio 5 of monomer: 95-10: 90.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2005101307361A CN100406987C (en) | 2005-12-27 | 2005-12-27 | Preparation method of polymer dispersed liquid crystal film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2005101307361A CN100406987C (en) | 2005-12-27 | 2005-12-27 | Preparation method of polymer dispersed liquid crystal film |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1790118A true CN1790118A (en) | 2006-06-21 |
| CN100406987C CN100406987C (en) | 2008-07-30 |
Family
ID=36788078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2005101307361A Expired - Fee Related CN100406987C (en) | 2005-12-27 | 2005-12-27 | Preparation method of polymer dispersed liquid crystal film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100406987C (en) |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101225308B (en) * | 2007-09-17 | 2010-10-27 | 北京科技大学 | Method for preparing polymer dispersion liquid crystal material by ultraviolet-heating step-polymerization process |
| CN102286133A (en) * | 2011-04-28 | 2011-12-21 | 北京科技大学 | Preparation method of polymer dispersed liquid crystal film material |
| CN102464983A (en) * | 2010-11-12 | 2012-05-23 | 京东方科技集团股份有限公司 | Display, polymer dispersion liquid crystal film and manufacturing method and driving method of display |
| CN102645782A (en) * | 2011-05-17 | 2012-08-22 | 京东方科技集团股份有限公司 | Method for manufacturing color liquid crystal films, color liquid crystal film and display device |
| CN102749750A (en) * | 2012-06-19 | 2012-10-24 | 京东方科技集团股份有限公司 | Flexible transparent LCD (Liquid Crystal Display) device and preparation method thereof |
| CN102807873A (en) * | 2011-06-02 | 2012-12-05 | 陈国平 | Liquid crystal material and high-transmittance PDLC (polymer dispersed liquid crystal) display and usage thereof |
| CN102807874A (en) * | 2011-06-02 | 2012-12-05 | 陈国平 | Liquid crystal material, PDLC (Polymer Dispersed Liquid Crystal) display screen with high light transmittance and use thereof |
| CN101770106B (en) * | 2008-12-30 | 2012-12-12 | 比亚迪股份有限公司 | Polymer dispersed liquid crystal layer and preparation method, polymer dispersed liquid crystal film and preparation method |
| CN104093814A (en) * | 2012-02-08 | 2014-10-08 | 默克专利股份有限公司 | Reactive mesogen formulation with conductive additive |
| CN105527747A (en) * | 2016-02-18 | 2016-04-27 | 京东方科技集团股份有限公司 | Color film substrate, manufacturing method thereof, display panel and display device |
| CN105676503A (en) * | 2014-12-03 | 2016-06-15 | 现代自动车株式会社 | Smart window using glass beads and liquid crystal, and production method therefor |
| CN106282947A (en) * | 2015-05-25 | 2017-01-04 | 中国人民公安大学 | A kind of method preparing film forming based on cholesteryl ester liquid crystal material |
| CN107011923A (en) * | 2017-05-04 | 2017-08-04 | 北京科技大学 | A kind of preparation method of carbon nano tube-doped polymer dispersed liquid crystal film |
| CN107526226A (en) * | 2017-07-25 | 2017-12-29 | 江苏繁华玻璃股份有限公司 | A kind of combined dimming glass complex-aperture and preparation method thereof |
| CN109283727A (en) * | 2018-11-07 | 2019-01-29 | 南京工道光电技术有限公司 | A kind of preparation method of heatproof electrically-controlled liquid crystal film |
| CN109976018A (en) * | 2019-04-10 | 2019-07-05 | 深圳市华星光电半导体显示技术有限公司 | The preparation method of display device and display device |
| CN114568915A (en) * | 2020-11-30 | 2022-06-03 | 宸美（厦门）光电有限公司 | Electronic curtain and electronic device |
| US20220221762A1 (en) * | 2021-01-14 | 2022-07-14 | Tpk Advanced Solutions Inc. | Electronic curtain and electronic device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101430449B (en) * | 2008-12-17 | 2010-04-07 | 河北工业大学 | Polymer dispersion liquid crystal piezo-optical effect film and manufacturing method and use thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1100843C (en) * | 1999-12-07 | 2003-02-05 | 中国科学院广州化学研究所 | Matrix structure controllable high polymer dispersed liquid crystal membrane and its preparing process |
| CN1177911C (en) * | 2002-12-06 | 2004-12-01 | 华东理工大学 | Prepn process of dispersed polymer liquid crystal material |
| CN1250649C (en) * | 2003-09-27 | 2006-04-12 | 中国科学院化学研究所 | Composite material of containing granule stuffing and polymer of thermotropic liquid crystal preparation method and application |
-
2005
- 2005-12-27 CN CN2005101307361A patent/CN100406987C/en not_active Expired - Fee Related
Cited By (34)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101225308B (en) * | 2007-09-17 | 2010-10-27 | 北京科技大学 | Method for preparing polymer dispersion liquid crystal material by ultraviolet-heating step-polymerization process |
| CN101770106B (en) * | 2008-12-30 | 2012-12-12 | 比亚迪股份有限公司 | Polymer dispersed liquid crystal layer and preparation method, polymer dispersed liquid crystal film and preparation method |
| CN102464983A (en) * | 2010-11-12 | 2012-05-23 | 京东方科技集团股份有限公司 | Display, polymer dispersion liquid crystal film and manufacturing method and driving method of display |
| CN102286133B (en) * | 2011-04-28 | 2012-11-07 | 北京科技大学 | Preparation method of polymer dispersed liquid crystal film material |
| CN102286133A (en) * | 2011-04-28 | 2011-12-21 | 北京科技大学 | Preparation method of polymer dispersed liquid crystal film material |
| US9310659B2 (en) | 2011-05-17 | 2016-04-12 | Boe Technology Group Co., Ltd. | Colorful liquid crystal thin film, method of manufacturing thereof and display device |
| CN102645782A (en) * | 2011-05-17 | 2012-08-22 | 京东方科技集团股份有限公司 | Method for manufacturing color liquid crystal films, color liquid crystal film and display device |
| US10444561B2 (en) | 2011-05-17 | 2019-10-15 | Boe Technology Group Co., Ltd. | Colorful liquid crystal thin film, method of manufacturing thereof and display device |
| CN102645782B (en) * | 2011-05-17 | 2014-08-20 | 京东方科技集团股份有限公司 | Method for manufacturing color liquid crystal films, color liquid crystal film and display device |
| CN102807874A (en) * | 2011-06-02 | 2012-12-05 | 陈国平 | Liquid crystal material, PDLC (Polymer Dispersed Liquid Crystal) display screen with high light transmittance and use thereof |
| CN102807873A (en) * | 2011-06-02 | 2012-12-05 | 陈国平 | Liquid crystal material and high-transmittance PDLC (polymer dispersed liquid crystal) display and usage thereof |
| CN102807874B (en) * | 2011-06-02 | 2014-01-29 | 陈国平 | Liquid crystal material, PDLC (Polymer Dispersed Liquid Crystal) display screen with high light transmittance and use thereof |
| CN102807873B (en) * | 2011-06-02 | 2014-01-29 | 陈国平 | Liquid crystal material and high-transmittance PDLC (polymer dispersed liquid crystal) display and usage thereof |
| CN104093814B (en) * | 2012-02-08 | 2017-02-15 | 默克专利股份有限公司 | Reactive mesogen formulation with conductive additive |
| CN104093814A (en) * | 2012-02-08 | 2014-10-08 | 默克专利股份有限公司 | Reactive mesogen formulation with conductive additive |
| CN102749750A (en) * | 2012-06-19 | 2012-10-24 | 京东方科技集团股份有限公司 | Flexible transparent LCD (Liquid Crystal Display) device and preparation method thereof |
| US9207485B2 (en) | 2012-06-19 | 2015-12-08 | Boe Technology Group Co., Ltd. | Flexible transparent liquid crystal display and method for preparing same |
| CN102749750B (en) * | 2012-06-19 | 2015-07-08 | 京东方科技集团股份有限公司 | Flexible transparent LCD (Liquid Crystal Display) device and preparation method thereof |
| WO2013189162A1 (en) * | 2012-06-19 | 2013-12-27 | 京东方科技集团股份有限公司 | Flexible transparent lcd device and preparation method thereof |
| CN105676503B (en) * | 2014-12-03 | 2020-10-23 | 现代自动车株式会社 | Smart window using glass beads and liquid crystal and method for manufacturing the same |
| CN105676503A (en) * | 2014-12-03 | 2016-06-15 | 现代自动车株式会社 | Smart window using glass beads and liquid crystal, and production method therefor |
| CN106282947A (en) * | 2015-05-25 | 2017-01-04 | 中国人民公安大学 | A kind of method preparing film forming based on cholesteryl ester liquid crystal material |
| US10203543B2 (en) | 2016-02-18 | 2019-02-12 | Boe Technology Group Co., Ltd. | Color film substrate and manufacturing method thereof, display panel, display device |
| CN105527747A (en) * | 2016-02-18 | 2016-04-27 | 京东方科技集团股份有限公司 | Color film substrate, manufacturing method thereof, display panel and display device |
| CN107011923A (en) * | 2017-05-04 | 2017-08-04 | 北京科技大学 | A kind of preparation method of carbon nano tube-doped polymer dispersed liquid crystal film |
| CN107526226A (en) * | 2017-07-25 | 2017-12-29 | 江苏繁华玻璃股份有限公司 | A kind of combined dimming glass complex-aperture and preparation method thereof |
| CN107526226B (en) * | 2017-07-25 | 2020-07-03 | 江苏繁华玻璃股份有限公司 | Combined dimming glass composite window and preparation method thereof |
| CN109283727A (en) * | 2018-11-07 | 2019-01-29 | 南京工道光电技术有限公司 | A kind of preparation method of heatproof electrically-controlled liquid crystal film |
| CN109976018A (en) * | 2019-04-10 | 2019-07-05 | 深圳市华星光电半导体显示技术有限公司 | The preparation method of display device and display device |
| CN109976018B (en) * | 2019-04-10 | 2020-09-01 | 深圳市华星光电半导体显示技术有限公司 | Display device and manufacturing method thereof |
| CN114568915A (en) * | 2020-11-30 | 2022-06-03 | 宸美（厦门）光电有限公司 | Electronic curtain and electronic device |
| CN114568915B (en) * | 2020-11-30 | 2023-09-22 | 宸美（厦门）光电有限公司 | Electronic curtain and electronic device |
| US20220221762A1 (en) * | 2021-01-14 | 2022-07-14 | Tpk Advanced Solutions Inc. | Electronic curtain and electronic device |
| US11493809B2 (en) * | 2021-01-14 | 2022-11-08 | Tpk Advanced Solutions Inc. | Electronic curtain and electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100406987C (en) | 2008-07-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100406987C (en) | Preparation method of polymer dispersed liquid crystal film | |
| CN100487076C (en) | Process for preparing high polymer dispersed liquid crystal film material | |
| CN100537705C (en) | A kind of preparation method of polymer dispersed liquid-crystal film | |
| CN102286133B (en) | Preparation method of polymer dispersed liquid crystal film material | |
| CN101717647B (en) | Polymer dispersed liquid crystal material and method for preparing liquid crystal films from same | |
| CN104178180B (en) | A kind of Nematic phase liquid crystal material and application thereof with large degree of birefringence | |
| CN107286958A (en) | Wide viewing angle type PDLC composition, display device and preparation method | |
| CN110092875B (en) | Preparation method of PDLC (polymer dispersed liquid crystal) film based on liquid crystal/polymer composite material system | |
| CN108504363A (en) | A kind of low driving voltage polymer dispersed liquid-crystal film | |
| CN105906762A (en) | Low-voltage-driven mercaptan-containing polymer dispersed liquid crystal thin film material and preparation method of same | |
| US8187493B2 (en) | PDLC films | |
| CN105567256A (en) | Liquid crystal composition, polymer dispersion liquid crystals, display panel and preparation method | |
| CN110095896A (en) | A kind of preparation method of the light modulation film based on Liquid Crystal/Polymer composite material | |
| WO2018072399A1 (en) | Method for preparing intelligent display film having switchable viewing angle and composite film containing display film | |
| Yang et al. | Electro-optical characteristics of dye-doped polymer dispersed liquid crystals | |
| CN109423299B (en) | Polymer dispersed liquid crystal material and preparation method thereof | |
| Li et al. | Preparation of highly durable reverse-mode polymer-stabilized liquid crystal films with polymer walls | |
| Liang et al. | The relationship between crosslinker, liquid crystal, and magnetic nanomaterial doping on electro-optical properties of PDLC | |
| Jeon et al. | Effects of curing temperature on switching between transparent and translucent states in a polymer-stabilized liquid-crystal cell | |
| Wang et al. | TiO2 doped polymer dispersed and stabilised liquid crystal smart film with high contrast ratio, low driving voltage and short response time | |
| Zhang et al. | Effect of different monomers on the electro-optical properties of reverse-mode polymer stabilized liquid crystal | |
| KR100812276B1 (en) | Prepolymer formulation and polymer dispersed liquid crystal using the same | |
| CN113024712B (en) | Preparation method of polymer dispersed liquid crystal material based on rigid structure monomer at tail end | |
| Miao et al. | Bistable cholesteric liquid crystal films with excellent electro-optical performance and spacing stability for reflective displays | |
| CN112015018A (en) | Light modulation device and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080730 Termination date: 20201227 |