CN109586156A - Adjustable accidental laser of a kind of polarization repetition and preparation method thereof - Google Patents
Adjustable accidental laser of a kind of polarization repetition and preparation method thereof Download PDFInfo
- Publication number
- CN109586156A CN109586156A CN201910048785.2A CN201910048785A CN109586156A CN 109586156 A CN109586156 A CN 109586156A CN 201910048785 A CN201910048785 A CN 201910048785A CN 109586156 A CN109586156 A CN 109586156A
- Authority
- CN
- China
- Prior art keywords
- adjustable
- segmented copolymer
- laser
- polarization
- repeats
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/10061—Polarization control
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2329/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer
- C08J2329/02—Homopolymers or copolymers of unsaturated alcohols
- C08J2329/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2467/04—Polyesters derived from hydroxy carboxylic acids, e.g. lactones
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Electromagnetism (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Optics & Photonics (AREA)
- Materials Engineering (AREA)
- Plasma & Fusion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention discloses a kind of polarizations to repeat adjustable accidental laser and preparation method thereof.The accidental laser is membrane structure, it is made of polyvinyl alcohol (PVA), the segmented copolymer of polycaprolactone (PCL) and poly- omega-pentadecanolide (PPDL), Colloidal Quantum Dots (CQDs), PCL the and PPDL segmented copolymer is a kind of shape-memory polymer particle, PCL the and PPDL segmented copolymer, CQDs are located in the film of PVA composition.The present invention is based on the characteristics that PCL and PPDL segmented copolymer has shape memory, in a heated condition, pass through stretched PVA film and cooling down can make spherical PCL and PPDL segmented copolymer have interim spheroid-like, spherical shape can be reverted back to after heating again again, it realizes accidental laser and is returned to isotropic regulation to anisotropy, again by optical isotropy, so that reaching outgoing Random Laser polarization repeats adjustable purpose.
Description
Technical field
The present invention relates to a kind of accidental lasers, and in particular to a kind of adjustable accidental laser of polarization repetition.
Background technique
In recent years, Random Laser has become the popular research field of international laser educational circles.Random Laser is in mechanism of production
And in the characteristics of luminescence with conventional laser there are many significant differences, Random Laser radiation source self-activation Disordered Media passes through
The Multiple Scattering of radiant light in the medium provides bulk of optical feedback, to obtain biggish gain, is not necessarily to extra resonance chamber.With body
Product is small, the features such as being easily integrated.
Shape-memory polymer is that one kind is typically excited deformable polymer, will appear two class shapes in deformation process,
That is: temporary shapes and permanent shape, shape-memory polymer are capable of fixing temporary shapes under certain external force and environmental condition,
And original shape (permanent shape) can (such as: thermostimulation) be returned under specific outside stimulus.The most common shape memory is poly-
The unidirectional dual-shaped memory polymer that object is heat triggering is closed, is applied when shape-memory polymer is heated to transition temperature or more
Add external force, polymer will generate macroscopic deformation.Under conditions of keeping external force after cooling, external force is removed, the shape of deformation is (interim
Shape) it can be fixed.In deformation caused by external forces when this kind of heating, the process that temporary shapes are fixed after cooling is the journey of shape memory
Sequence process.When being reheated to transition temperature or more, shape-memory polymer can be returned to permanent shape again, this mistake
Journey is shape recovery process.2014, the article " Shape-Memory that Lendlein study group delivers on Small
Effect of Micro-/Nanoparticles from Thermoplastic Multiblock Copolymers ", for the first time
Shape-memory polymer particle is reported, this based fine particles is the segmented copolymer of polycaprolactone and poly- omega-pentadecanolide, first will
Permanent shape is that spherical particle is embedded in polyvinyl alcohol film, is then stretched at 70 DEG C, in the case where keeping stretching external force
Cooling, the fixed temporary shapes of particle, the process of recovery of shape can be by heating realization again.
The polarization that the scattering light come out after polarized light source and medium interaction can be determined with the characteristic of itself is believed
Breath, is different from the information such as light intensity, the phase for usually measuring and obtaining, and transmission of the polarised light in scattering medium is also regular
It is governed.The dry of KPT Scatter light can be excluded using polarization technology according to the different polarization characteristic of medium scatters and target reflecting light
Disturb and improve the image quality of image；Liquid crystal display is carried out using polarised light；Using the relationship between polarised light and tensile stress,
It can be used for making sensor.However in Random Laser field, Random Laser realizes polarization Random Laser by following methods
Outgoing.2004, the article " Quasi-Two-Dimensional that Diederik S.Wiersma group delivers
Diffusive Random Laser Action " realizes that liquid crystal molecule is orientated along direction of an electric field by extra electric field, and real
The outgoing of existing linearly polarized light；2013, article " the Polarization and that the Yao Fengfeng group of Harbin Institute of Technology delivers
polarization control of random lasers from dye-doped nematic liquid
Crystals " leads to the orientation of liquid crystal molecule in liquid crystal cell by friction orientation, and according to dye molecule and liquid crystal molecule it
Between guest-host effect, realize linear polarization Random Laser outgoing；2015, the text that the Zhai Tianrui group of Beijing University of Technology delivers
Chapter " A plasmonic random laser tunable through stretching silver nanowires
Embedded in a flexible substrate ", by that will be revolved containing the PDMS solution of silver nanowires and laser dye R6G
It is coated in silica gel substrate, forms waveguiding structure, and by stretching PDMS film, force silver nanowires fracture and reorientation, in fact
Now polarization Random Laser outgoing.
In the prior art, the implementation of polarization Random Laser outgoing, is such as controlled by extra electric field, and extra electric field is up to
120kV/cm, energy consumption are higher；It is controlled by friction orientation, liquid crystal cell inner dye liquid crystal compound is liquid, and structure is complicated, machine
Tool performance is poor, and performance of control is poor；By stretching the silver nanowires PDMS substrate containing dyestuff, silver nanowires is utilized
Fracture and reorientation realize that polarization Random Laser is adjusted, and adjustable range is small, and it is poor to repeat modulability.
Summary of the invention
Goal of the invention: the object of the present invention is to provide a kind of polarizations to repeat adjustable accidental laser, to solve existing skill
The problems such as accidental laser energy consumption is high, performance of control is poor, repeatable modulability is poor is polarized in art.
Technical solution: the invention discloses a kind of polarizations to repeat adjustable accidental laser and preparation method thereof, feature
Be: it is membrane structure, by polyvinyl alcohol (PVA), the multiblock of polycaprolactone (PCL) and poly- omega-pentadecanolide (PPDL)
Object, Colloidal Quantum Dots (CQDs) are constituted.PCL the and PPDL segmented copolymer is a kind of shape-memory polymer particle, is added
More than heat to transition temperature, stretched PVA film simultaneously cools down, spherical particle can be made to have interim spheroid-like, heats again
To more than recovery temperature, and spherical shape can be reverted back to.The achievable accidental laser of the technology by optical isotropy to anisotropy,
It is returned to isotropic regulation again, so that it is adjustable to realize that outgoing Random Laser polarization repeats.
Further, PCL the and PPDL segmented copolymer, CQDs are located in the film of PVA composition.
Further, the size of the PCL and PPDL segmented copolymer particle is 0.5um-0.7um.
Further, the transition temperature of the PCL and PPDL segmented copolymer is 70 DEG C, and recovery temperature is 90 DEG C.
Further, the PVA film is with a thickness of 40um-80um.
A kind of polarization repeats the preparation method of adjustable accidental laser, comprising the following steps:
(1) a certain amount of PVA is add to deionized water, and heating stirring is completely dissolved to PVA at 80 DEG C, obtains concentration
For the PVA solution of 20-40%wt.
(2) quantum dot, PCL and PPDL segmented copolymer particle are added in PVA solution, ultrasonic 10-20min.
(3) it on the glass substrate, will be placed 3 days containing the coating of the PVA solution of quantum dot and copolymer particle using scraper,
It is vapored away to excessive moisture, obtains PVA film.
Further, distance of the scraper away from glass substrate is 0.3mm in step (3).
Inventive principle: in the present invention, before not carrying out stretched operation to PVA film, PCL and PPDL segmented copolymer
Particle is spherical and is randomly dispersed in PVA film that film is optically isotropic at this time, and the Random Laser of outgoing is random
Polarised light, degree of polarization 0.Since the Young's modulus of PVA film used is 51MPa, and PCL and PPDL segmented copolymer is micro-
The Young's modulus of grain is 6MPa, therefore, (70 after temperature reaches the transition temperature of PCL and PPDL segmented copolymer particle
DEG C), by stretched PVA film, change correspondingly the shape of PCL and PPDL segmented copolymer particle equally, by spherical
It is changed into the ellipsoid along draw direction.At this point, film be it is optically anisotropic, on the direction for being parallel to stretching, gather
The refringence closed between object particle and film increases, and on the direction perpendicular to stretching, between polymer particles and film
Refringence reduce.Therefore, it is parallel to draw direction, scattering enhancing leads to point of the Random Laser of outgoing in this direction
Amount enhancing causes the component of the Random Laser of outgoing in this direction to weaken on the contrary, scattering weakens perpendicular to draw direction, from
And to be emitted Random Laser be linearly polarized light.Since PCL and PPDL segmented copolymer particle used has shape memory
Property, therefore, after temperature reaches the recovery temperature of PCL and PPDL segmented copolymer particle again (90 DEG C), copolymer particle
It can be replied again by spheroid shape as spherical shape.At this point, film will be replied again as optical isotropy so that outgoing Random Laser be with
Machine polarised light.Therefore in the present invention, the re-adjustments of Random Laser polarization can be realized by simple method.
The utility model has the advantages that compared with prior art, the invention has the following advantages that
(1) using with shape memory PCL and PPDL segmented copolymer particle in the present invention, by the shape for changing particle
Shape and the polarization for changing Random Laser have and polarize repeatable modulability.
(2) control of Random Laser polarization is realized in the present invention by way of stretched PVA film accidental laser, at random
The polarization direction of laser is parallel to draw direction, and which realizes that simple and energy consumption is small.
(3) accidental laser prepared by the present invention, structure is simple, at low cost, and preparation process is simple, is conducive to swashing
Light shows, the application of temperature sensor, luminance adjustable light source etc..
Detailed description of the invention
Fig. 1 is that PCL and PPDL segmented copolymer particulate form changes schematic diagram in the present invention.
Fig. 2 is that accidental laser is emitted Random Laser schematic diagram in non-stretched situation in the present invention.
Fig. 3 is that accidental laser is emitted Random Laser schematic diagram under tension in the present invention.
Specific embodiment
Below in conjunction with drawings and examples, the invention will be further described.
A kind of polarization repeats adjustable accidental laser, as shown in Figure 1, it is membrane structure, by polyvinyl alcohol (PVA) 1,
Segmented copolymer 2-1,2-2 of polycaprolactone (PCL) and poly- omega-pentadecanolide (PPDL), Colloidal Quantum Dots (CQDs) are constituted, institute
Stating PCL and PPDL segmented copolymer 2-1,2-2 is a kind of shape-memory polymer particle, is heated to transition temperature or more, is drawn
Stretching PVA film and cooling down can make spherical particle have interim spheroid-like 2-2, be again heated to recovery temperature or more, again
Spherical 2-1 can be reverted back to, the achievable accidental laser of the technology is returned to each to same again from optical isotropy to anisotropy
Property regulation, thus realize outgoing Random Laser polarization repeat it is adjustable.
PCL and PPDL segmented copolymer, CQDs are located in the film of PVA composition.
The size of PCL and PPDL segmented copolymer particle is 0.5um-0.7um.
The transition temperature of PCL and PPDL segmented copolymer is 70 DEG C, and recovery temperature is 90 DEG C.
PVA film is with a thickness of 40um-80um.
A kind of polarization repeats the preparation method of adjustable accidental laser, comprising the following steps:
(1) a certain amount of PVA is add to deionized water, and heating stirring is completely dissolved to PVA at 80 DEG C, obtains concentration
For the PVA solution of 20-40%wt.
(2) CQDs, PCL and PPDL segmented copolymer particle are added in PVA solution, ultrasonic 10-20min.
(3) it on the glass substrate, will be placed 3 days containing the coating of the PVA solution of CQDs and copolymer particle using scraper, to
Excessive moisture vapors away, and obtains PVA film.
Distance of the scraper away from glass substrate is 0.3mm in step (3).
As shown in Figures 2 and 3, in non-stretched situation, extraneous pump light 3 is radiated at accidental laser surface, outgoing with
Machine laser 4 is random polarization state 5-1；Under tension, extraneous pump light 3 is radiated at accidental laser surface, and outgoing is random
Laser 4 is linear polarization 5-2.
Below according to embodiment, the present invention will be further described, this hair may be better understood according to following embodiment
It is bright.However, specific material proportion, process conditions described in embodiment are merely to illustrate the present invention, without that should limit right
The present invention described in claim.
Embodiment 1
A kind of polarization repeats adjustable accidental laser, is membrane structure, by polyvinyl alcohol (PVA), polycaprolactone (PCL) and
Segmented copolymer particle, the Colloidal Quantum Dots (CQDs) of poly- omega-pentadecanolide (PPDL) are constituted.Specific manufacturing process is as follows:
(1) a certain amount of PVA is add to deionized water, and heating stirring is completely dissolved to PVA at 80 DEG C, obtains concentration
For the PVA solution of 25%wt.
(2) take PCL that the CdSe/SnS CQDs solution that 1mL concentration is 5mg/mL, 5mL concentration are 1mg/mL and PPDL more
Block copolymer particle (size 0.5um) is added in PVA solution, ultrasonic 10min.
(3) the distance between fixed doctor and glass substrate are 0.3mm, and gained mixed solution in (2) is poured over glass
On substrate, it is coated on glass substrate using scraper.
(4) it places 3 days, is vapored away to excessive moisture, obtain the PVA film with a thickness of 40um.
Embodiment 2
A kind of polarization repeats adjustable accidental laser, is membrane structure, by polyvinyl alcohol (PVA), polycaprolactone (PCL) and
Segmented copolymer particle, the Colloidal Quantum Dots (CQDs) of poly- omega-pentadecanolide (PPDL) are constituted.Specific manufacturing process is as follows:
(1) a certain amount of PVA is add to deionized water, and heating stirring is completely dissolved to PVA at 80 DEG C, obtains concentration
For the PVA solution of 30%wt.
(2) take PCL that the CdSe/SnS CQDs solution that 1mL concentration is 5mg/mL, 5mL concentration are 1mg/mL and PPDL more
Block copolymer particle (size 0.6um) is added in PVA solution, ultrasonic 15min.
(3) the distance between fixed doctor and glass substrate are 0.3mm, and gained mixed solution in (2) is poured over glass
On substrate, it is coated on glass substrate using scraper.
(4) it places 3 days, is vapored away to excessive moisture, obtain the PVA film with a thickness of 60um.
Embodiment 3
A kind of polarization repeats adjustable accidental laser, is membrane structure, by polyvinyl alcohol (PVA), polycaprolactone (PCL) and
Segmented copolymer particle, the Colloidal Quantum Dots (CQDs) of poly- omega-pentadecanolide (PPDL) are constituted.Specific manufacturing process is as follows:
(1) a certain amount of PVA is add to deionized water, and heating stirring is completely dissolved to PVA at 80 DEG C, obtains concentration
For the PVA solution of 40%wt.
(2) take PCL that the CdSe/SnS CQDs solution that 1mL concentration is 5mg/mL, 5mL concentration are 1mg/mL and PPDL more
Block copolymer particle (size 0.7um) is added in PVA solution, ultrasonic 20min.
(3) the distance between fixed doctor and glass substrate are 0.3mm, and gained mixed solution in (2) is poured over glass
On substrate, it is coated on glass substrate using scraper.
(4) it places 3 days, is vapored away to excessive moisture, obtain the PVA film with a thickness of 80um.
Claims (7)
1. a kind of polarization repeats adjustable accidental laser, it is characterised in that: it is membrane structure, by polyvinyl alcohol, is gathered in oneself
The segmented copolymer of ester and poly- omega-pentadecanolide, Colloidal Quantum Dots are constituted；PCL the and PPDL segmented copolymer is a kind of shape
Shape memory polymer particle, is heated to transition temperature or more, and stretched PVA film simultaneously cools down, has spherical particle temporarily
Spheroid-like is again heated to recovery temperature or more, and can revert back to spherical shape；Achievable accidental laser is by optical isotropy
To anisotropy, it is returned to isotropic regulation again, so that it is adjustable to realize that outgoing Random Laser polarization repeats.
2. a kind of polarization according to claim 1 repeats adjustable accidental laser, it is characterised in that: the polycaprolactone
It is located in the film of polyvinyl alcohol composition with poly- omega-pentadecanolide segmented copolymer, Colloidal Quantum Dots.
3. a kind of polarization according to claim 1 repeats adjustable accidental laser, it is characterised in that: the polycaprolactone
Size with poly- omega-pentadecanolide segmented copolymer particle is 0.5um-0.7um.
4. a kind of polarization according to claim 1 repeats adjustable accidental laser, it is characterised in that: the polycaprolactone
Transition temperature with poly- omega-pentadecanolide segmented copolymer is 70 DEG C, and recovery temperature is 90 DEG C.
5. a kind of polarization according to claim 2 repeats adjustable accidental laser, it is characterised in that: the polyvinyl alcohol
The film thickness of composition is 40um-80um.
6. a kind of polarization described in any one of claim 1-5 repeats the preparation method of adjustable accidental laser, special
Sign is, comprising the following steps:
(1) a certain amount of polyvinyl alcohol is add to deionized water, and heating stirring is completely molten to polyvinyl alcohol at 80 DEG C
Solution obtains the poly-vinyl alcohol solution that concentration is 20-40%wt；
(2) Colloidal Quantum Dots, polycaprolactone and poly- omega-pentadecanolide segmented copolymer particle are added in poly-vinyl alcohol solution,
Ultrasonic 10-20min；
(3) it on the glass substrate, will be put containing the coating of the poly-vinyl alcohol solution of Colloidal Quantum Dots and copolymer particle using scraper
It sets 3 days, is vapored away to excessive moisture, obtain polyvinyl alcohol film.
7. the preparation method that a kind of polarization according to claim 6 repeats adjustable accidental laser, which is characterized in that step
Suddenly distance of the scraper away from glass substrate is 0.3mm in (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910048785.2A CN109586156A (en) | 2019-01-18 | 2019-01-18 | Adjustable accidental laser of a kind of polarization repetition and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910048785.2A CN109586156A (en) | 2019-01-18 | 2019-01-18 | Adjustable accidental laser of a kind of polarization repetition and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109586156A true CN109586156A (en) | 2019-04-05 |
Family
ID=65916998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910048785.2A Pending CN109586156A (en) | 2019-01-18 | 2019-01-18 | Adjustable accidental laser of a kind of polarization repetition and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109586156A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT202100005720A1 (en) * | 2021-03-11 | 2022-09-11 | Dario Maximilian Spera | PROGRAMMABLE MATERIAL |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105762634A (en) * | 2016-05-13 | 2016-07-13 | 东南大学 | Flexible film random laser device adjustable in polarization degree and preparation method thereof |
| CN108011292A (en) * | 2017-10-27 | 2018-05-08 | 北京理工大学 | Colloidal Quantum Dots continuous wave laser and preparation method thereof |
-
2019
- 2019-01-18 CN CN201910048785.2A patent/CN109586156A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105762634A (en) * | 2016-05-13 | 2016-07-13 | 东南大学 | Flexible film random laser device adjustable in polarization degree and preparation method thereof |
| CN108011292A (en) * | 2017-10-27 | 2018-05-08 | 北京理工大学 | Colloidal Quantum Dots continuous wave laser and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| CHRISTIAN WISCHKE ET AL.: "Shape-memory effect of micro-/nanoparticles from thermoplastic multiblock copolymers", 《SMALL》 * |
| MINGXUAN CAO ET AL.: "Random lasing in a colloidal quantum dot-doped disordered polymer", 《OPTICS EXPRESS》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT202100005720A1 (en) * | 2021-03-11 | 2022-09-11 | Dario Maximilian Spera | PROGRAMMABLE MATERIAL |
| WO2022190150A1 (en) * | 2021-03-11 | 2022-09-15 | Dario Maximilian Spera | Programmable material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Yue et al. | Mechano-actuated ultrafast full-colour switching in layered photonic hydrogels | |
| Martella et al. | Light activated non-reciprocal motion in liquid crystalline networks by designed microactuator architecture | |
| Dong et al. | Chameleon-inspired strain-accommodating smart skin | |
| Zhang et al. | Cholesteric cellulose liquid crystals with multifunctional structural colors | |
| JP2688323B2 (en) | Liquid crystal light modulation material and device | |
| Tan et al. | Smart polymers for microscale machines | |
| CN102356334B (en) | Light diffusing element, polarizing plate with light diffusing element, liquid crystal display using both, and manufacturing method for light diffusing element | |
| Hsieh et al. | Self-assembled mechanochromic shape memory photonic crystals by doctor blade coating | |
| Yang et al. | Thermochromic cholesteric liquid crystal microcapsules with cellulose nanocrystals and a melamine resin hybrid shell | |
| Sun et al. | Reconfigurable fabrication of scattering-free polymer network liquid crystal prism/grating/lens | |
| Ube et al. | Photomobile materials with interpenetrating polymer networks composed of liquid-crystalline and amorphous polymers | |
| EA027806B1 (en) | Printing of liquid crystal droplet laser resonators on a wet polymer solution and device made therewith | |
| CN110023347A (en) | Polymerizable liquid crystal compound, optical anisotropic film, optical film, polarizing film, image display device and organic electroluminescence display device and method of manufacturing same | |
| Qing et al. | Deformation of cross-linked liquid crystal polymers by light–from ultraviolet to visible and infrared | |
| TWI782166B (en) | A kind of microcapsule liquid crystal display device and its application | |
| Sheng et al. | Biomimetic solid–liquid transition structural dye-doped liquid crystal/phase-change-material microcapsules designed for wearable bistable electrochromic fabric | |
| Shi et al. | A color-changing plasmonic actuator based on silver nanoparticle array/liquid crystalline elastomer nanocomposites | |
| Harris et al. | Physical properties of anisotropically swelling hydrogen-bonded liquid crystal polymer actuators | |
| KR20180115566A (en) | Liquid Crystal Display Device And Method Of Fabricating The Same | |
| CN109586156A (en) | Adjustable accidental laser of a kind of polarization repetition and preparation method thereof | |
| CN101408693A (en) | Liquid crystal panel and liquid crystal display device | |
| Jia et al. | The Electro-optical study of Al2O3 nanoparticles doped polymer dispersed liquid crystal films | |
| Astam et al. | Active surfaces formed in liquid crystal polymer networks | |
| TW200428038A (en) | Polarizer, optical film, and image display | |
| CN115047617B (en) | Intelligent driving reflective display element and device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190405 |