WO2020124801A1 - Liquid crystal cell, manufacturing method thereof, and photopolymerizable composition - Google Patents

Liquid crystal cell, manufacturing method thereof, and photopolymerizable composition Download PDF

Info

Publication number
WO2020124801A1
WO2020124801A1 PCT/CN2019/077597 CN2019077597W WO2020124801A1 WO 2020124801 A1 WO2020124801 A1 WO 2020124801A1 CN 2019077597 W CN2019077597 W CN 2019077597W WO 2020124801 A1 WO2020124801 A1 WO 2020124801A1
Authority
WO
WIPO (PCT)
Prior art keywords
polymer
liquid crystal
photoinitiator
crystal cell
wavelength
Prior art date
Application number
PCT/CN2019/077597
Other languages
French (fr)
Chinese (zh)
Inventor
石钰
Original Assignee
深圳市华星光电半导体显示技术有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 深圳市华星光电半导体显示技术有限公司 filed Critical 深圳市华星光电半导体显示技术有限公司
Publication of WO2020124801A1 publication Critical patent/WO2020124801A1/en

Links

Images

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F120/00—Homopolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
    • C08F120/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F120/10—Esters
    • C08F120/12—Esters of monohydric alcohols or phenols
    • C08F120/14—Methyl esters, e.g. methyl (meth)acrylate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F122/00—Homopolymers 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 a carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides or nitriles thereof
    • C08F122/10—Esters
    • C08F122/1006—Esters of polyhydric alcohols or polyhydric phenols, e.g. ethylene glycol dimethacrylate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00—Processes of polymerisation
    • C08F2/46—Polymerisation initiated by wave energy or particle radiation
    • C08F2/48—Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1334—Constructional arrangements; Manufacturing methods based on polymer dispersed liquid crystals, e.g. microencapsulated liquid crystals

Definitions

  • the present application relates to the field of display technology, in particular to a liquid crystal cell, a manufacturing method thereof, and a photopolymerizable composition.
  • polymer monomers to liquid crystals
  • Initiating polymerization of polymer monomers under certain conditions can enable liquid crystal displays to achieve many interesting display modes, such as Polymer Dispersed Liquid Crystal (PDLC).
  • PDLC Polymer Dispersed Liquid Crystal
  • PSVA polymer stable vertical alignment system
  • the polymer stable vertical alignment system is to add polymer monomers and photoinitiators to the liquid crystal
  • polymer monomers and photoinitiators After UV irradiation, polymer bumps are formed, which are used to fix the liquid crystal to form a pre-tilt angle.
  • the liquid crystal polymer barrier (PolymerWall Liquid Crystal) (PWLC) technology adjusts the chemical structure and composition ratio of liquid crystal and polymer monomers so that the polymer monomers can be exposed to collimated ultraviolet light after exposure
  • a polymer barrier wall of appropriate width is formed between the two substrates constituting the liquid crystal display.
  • the position of the polymer barrier wall is related to the area irradiated by the ultraviolet light, and the area irradiated by the ultraviolet light can be controlled by the design of the photomask.
  • the polymer formed by the polymer barrier technology can play an adhesion role between the two substrates constituting the liquid crystal display, and can better play a role in maintaining the cell thickness of the liquid crystal display.
  • the formed polymer barrier can effectively control the flow of liquid crystal, and can also eliminate the phenomenon of uneven brightness display caused by external forces and gravity (Mura).
  • the polymer stable vertical alignment system and liquid crystal polymer barrier wall technology are mainly based on free radical polymerization to form a polymer, that is, the photoinitiator generates free radicals through violet light irradiation, and the formed free radicals initiate the free radicals of the polymer monomer. Reaction to form a polymer. As the chain length of the polymer increases, the polymer and the liquid crystal phase separate to produce a functional structure. At the same time, free radical polymerization is used to form a liquid crystal polymer barrier and polymer protrusion. The formation process of the object retaining wall and the polymer protrusion will interfere with each other.
  • the purpose of the present application is to provide a liquid crystal cell and a method for manufacturing the same.
  • the formation process of the polymer barrier wall and the polymer protrusion of the liquid crystal cell will not interfere with each other.
  • Another object of the present application is to provide a photopolymerizable composition.
  • a method for manufacturing a liquid crystal cell includes the following steps:
  • the liquid crystal cell with the mixture is irradiated with light of the first wavelength to initiate anionic polymerization of the photoinitiator A1, the polymer monomer B1 and the polymer monomer B2 to empty the liquid crystal cell
  • the first polymer is formed on the inner wall of the cavity;
  • the liquid crystal cell having the first polymer is irradiated with light of a second wavelength to initiate radical polymerization of the photoinitiator A2 and the polymer monomer B1 to be on the inner wall of the liquid crystal cell containing cavity Forming a second polymer;
  • the photoinitiator A1 is an anionic photoinitiator
  • the photoinitiator A2 is a radical polymerization photoinitiator
  • the polymer monomer B1 is an acrylate, an acrylate derivative, methacrylate, a At least one of acryl acrylate derivative, epoxy resin and styrene
  • the polymer monomer B2 is a mercapto compound
  • the first polymer and the second polymer are different and are respectively polymer barriers Or one of the polymer bumps.
  • the first wavelength is 400 nm-500 nm
  • the second wavelength is 280 nm-370 nm.
  • the photoinitiator A1 is selected from at least one of the following compounds:
  • R1, R2 each independently represent H, a hydrocarbon group or a substituted hydrocarbon group
  • R3 represents a hydrocarbon group or a substituted hydrocarbon group.
  • the photoinitiator A2 is selected from at least one of the following compounds:
  • the first polymer is a polymer barrier
  • the second polymer is a polymer bump
  • the mercapto compound is selected from at least one of the following compounds:
  • a liquid crystal cell having a receiving cavity and a first polymer and a second polymer disposed on the inner wall of the receiving cavity,
  • the first polymer is injected into the accommodating cavity of the liquid crystal cell by mixing photoinitiator A1, photoinitiator A2, polymer monomer B1 and polymer monomer B2, and irradiating with light of the first wavelength
  • the liquid crystal cell with a mixture is formed by initiating anion polymerization of the photoinitiator A1, the polymer monomer B1 and the polymer monomer B2,
  • the second polymer is formed by irradiating a liquid crystal cell having the first polymer with light of a second wavelength to initiate radical polymerization of the photoinitiator A2 and the polymer monomer B1;
  • the photoinitiator A1 is an anionic photoinitiator
  • the photoinitiator A2 is a radical polymerization photoinitiator
  • the polymer monomer B1 is an acrylate, an acrylate derivative, methacrylate, a At least one of acryl acrylate derivative, epoxy resin and styrene
  • the polymer monomer B2 is a mercapto compound
  • the first polymer and the second polymer are different and are respectively polymer barriers Or one of the polymer bumps.
  • the first wavelength is 400 nm-500 nm
  • the second wavelength is 280 nm-370 nm.
  • the photoinitiator A1 is selected from at least one of the following compounds:
  • R1, R2 each independently represent H, a hydrocarbon group or a substituted hydrocarbon group
  • R3 represents a hydrocarbon group or a substituted hydrocarbon group.
  • the photoinitiator A2 is selected from at least one of the following compounds:
  • the first polymer is a polymer barrier
  • the second polymer is a polymer bump
  • the mercapto compound is selected from at least one of the following compounds:
  • the liquid crystal cell further includes liquid crystal, and the liquid crystal is filled in the accommodating cavity of the liquid crystal cell.
  • a photopolymerizable composition comprising a photoinitiator A1, a photoinitiator A2, a polymer monomer B1 and a polymer monomer B2,
  • the photoinitiator A1, the polymer monomer B1, and the polymer monomer B2 are used to perform anionic polymerization under the irradiation of light of a first wavelength to form a first polymer;
  • the photoinitiator A2 and the polymer monomer B1 are used to perform a radical polymer under the irradiation of light of a second wavelength to form a second polymer;
  • the photoinitiator A1 is an anionic photoinitiator
  • the photoinitiator A2 is a radical polymerization photoinitiator
  • the polymer monomer B1 is an acrylate, an acrylate derivative, methacrylate, a At least one of a acrylate derivative, an epoxy resin, and styrene
  • the polymer monomer B2 is a mercapto compound.
  • the first wavelength is 400 nm-500 nm
  • the second wavelength is 280 nm-370 nm.
  • the photoinitiator A1 is selected from at least one of the following compounds:
  • the R1, R2 each independently represent H, a hydrocarbon group or a substituted hydrocarbon group
  • the R3 represents a hydrocarbon group or a substituted hydrocarbon group.
  • the photoinitiator A2 is selected from at least one of the following compounds:
  • the mercapto compound is selected from at least one of the following compounds:
  • the present application provides a liquid crystal cell, a method for manufacturing the same, and a photopolymerizable composition.
  • the first polymer and the second polymer are formed by anionic polymerization and radical polymerization, respectively.
  • the formation process of the first polymer and the second polymer is not Will interfere with each other.
  • FIG. 1 is a flowchart of a method for manufacturing a liquid crystal cell of the present application
  • FIG. 1 A-2E are schematic process diagrams of the flowchart shown in FIG. 1.
  • the present application provides a photopolymerizable composition.
  • the photopolymerizable composition includes a photoinitiator A1, a photoinitiator A2, a polymer monomer B1, and a polymer monomer B2.
  • the photoinitiator A1, the polymer monomer B1 and the polymer monomer B2 are used to perform anionic polymerization under the irradiation of light of the first wavelength to form a first polymer;
  • the photoinitiator A2 and the polymer monomer B1 are used to perform a radical polymer under the irradiation of light of a second wavelength to form a second polymer;
  • the photoinitiator A1 is an anionic photoinitiator
  • the photoinitiator A2 is a radical polymerization photoinitiator
  • the polymer monomer B1 is an acrylate, acrylate derivative, methacrylate, methacrylate derivative, At least one of epoxy resin and styrene
  • the polymer monomer B2 is a mercapto compound.
  • the light of the first wavelength may be ultraviolet light or visible light. When the light of the first wavelength is visible light, the first wavelength is 400-500 nm, for example, the first wavelength is 410 nm, 430 nm, and 480 nm.
  • the light irradiation time of the first wavelength is 15-60min, for example, the irradiation time is 15min, 30min or 45min;
  • the light irradiation intensity of the first wavelength is 1-50mW/cm 2 , for example the irradiation intensity It is 10mW/cm 2 , 25mW/cm 2 or 45mW/cm 2 .
  • the photoinitiator A1 is selected from at least one of the following compounds:
  • R1, R2 each independently represent H, a hydrocarbon group or a substituted hydrocarbon group
  • R3 represents a hydrocarbon group or a substituted hydrocarbon group.
  • Hydrocarbon groups include, but are not limited to, alkyl groups, cycloalkyl groups, and aryl groups.
  • Substituted hydrocarbon groups include, but are not limited to, halogen atom-substituted hydrocarbon groups, and hetero atom (eg, oxygen, nitrogen, sulfur) substituted hydrocarbon groups.
  • R1 and R2 both represent ethyl, or, R1 represents a hydrogen atom, R2 represents n-hexyl; R3 represents -C[N(CH 3 ) 2 ] 2 .
  • the light of the second wavelength may be ultraviolet light or visible light.
  • the second wavelength is 280-370 nm, for example, the second wavelength is 280 nm, 320 nm, or 360 nm.
  • the irradiation time of the second wavelength light is 5-60min, for example, the irradiation time is 8min, 25min and 40min; the irradiation intensity of the second wavelength light is 0.1-10mW/cm 2 , for example the irradiation intensity of 0.2mW / cm 2, 4mW / cm 2, 8mW / cm 2.
  • the photoinitiator A2 is selected from at least one of the following compounds:
  • the photopolymerizable composition will be described below with reference to specific examples.
  • the composition of the photopolymerizable composition and the conditions for forming the first polymer and the second polymer from the photopolymerizable composition are shown in Table 1.
  • Table 1 Composition of the first example photopolymerizable composition and conditions for forming the first polymer and the second polymer from the photopolymerizable composition
  • the composition of the photopolymerizable composition and the conditions for forming the first polymer and the second polymer from the photopolymerizable composition are shown in Table 2.
  • Table 2 Composition of the second example photopolymerizable composition and conditions for forming the first polymer and the second polymer from the photopolymerizable composition
  • the composition of the photopolymerizable composition and the conditions for forming the first polymer and the second polymer from the photopolymerizable composition are shown in Table 3.
  • Table 3 The composition of the third example photopolymerizable composition and the conditions for forming the first polymer and the second polymer from the photopolymerizable composition
  • the photoinitiator A1, the polymer monomer B1, and the polymer monomer B2 are subjected to anion polymerization under light irradiation of the first wavelength to form a first polymerization Substances, photoinitiator A2 and polymer monomer B1 undergo free radical polymerization under the light of the second wavelength to form a second polymer, the formation mechanism of the first polymer and the second polymer are different, the activity in the formation process The centers are different, and the process of forming the first polymer and the process of forming the second polymer do not interfere with each other, so when the photopolymerizable composition of the present application is used to form two different polymers, the formation of the two polymers The process does not interfere with each other.
  • This application uses the above photopolymerizable composition to form the polymer barrier and polymer bumps of the liquid crystal cell respectively.
  • the polymer barrier is used to control the flow of liquid crystal and also to control the thickness of the liquid crystal cell; Used to fix the liquid crystal in the liquid crystal cell to form a pre-tilt angle. It can be understood that the photopolymerizable composition can also be applied to the manufacture of other polymer functional structures, which is not specifically limited in this application.
  • a method for manufacturing a liquid crystal cell A flowchart of the manufacturing method is shown in FIG. 1.
  • the manufacturing method includes the following steps:
  • Photoinitiator A1 101 is an anionic photoinitiator, also known as a photobase generator, which generates an anion active center under light irradiation of a certain wavelength to initiate an anionic polymerization reaction.
  • the photoinitiator A2 102 is a free radical initiator, which generates free radical active centers to initiate free radical polymerization under the irradiation of light of a certain wavelength.
  • the polymer monomer B1 104 is formed by the addition of a carbon-carbon double bond or the ring-opening addition of an epoxy group to form a polymer.
  • the polymer monomer B1 104 is at least one of acrylate, acrylate derivative, methacrylate, methacrylate derivative, epoxy resin, and styrene.
  • the polymer monomer B2 103 is a mercapto compound, which may be a compound containing one mercapto group or a compound containing multiple mercapto groups.
  • the mixture is injected into the accommodating cavity of the liquid crystal cell to obtain the liquid crystal cell with the mixture.
  • the photoinitiator A1 101, the photoinitiator A2 102, the polymer monomer B1 104 and the polymer monomer B2 103 constituting the mixture are uniformly dispersed in the accommodating cavity in.
  • Methods of injecting the mixture into the liquid crystal cell include, but are not limited to, perfusion method and drop injection method (One Drop Filling, ODF).
  • the liquid crystal cell includes a first substrate 105, a second substrate 106, and a frame sealant connecting the first substrate 105 and the second substrate 106.
  • the inner surface of the first substrate 105, the inner surface of the second substrate 106, and the frame sealant surround the synthesized liquid crystal The accommodating cavity of the box.
  • the light of the first wavelength may be ultraviolet light or visible light. Depending on the wavelength of the irradiated light, different photoinitiators need to be selected to initiate anionic polymerization.
  • the first polymer 107 may be a polymer retaining wall or a polymer bump.
  • the light of the first wavelength is visible light, and the first wavelength is 400 nm-500 nm, for example, the first wavelength is 410 nm, 430 nm, or 480 nm.
  • the first polymer 107 is a polymer barrier formed between the first substrate 105 and the second substrate 106.
  • the photoinitiator A1 101 is selected from at least one of the following compounds:
  • R1, R2 each independently represent H, a hydrocarbon group or a substituted hydrocarbon group
  • R3 represents a hydrocarbon group or a substituted hydrocarbon group.
  • Hydrocarbon groups include, but are not limited to, alkyl groups, cycloalkyl groups, and aryl groups.
  • Substituted hydrocarbon groups include, but are not limited to, halogen atom-substituted hydrocarbon groups, and hetero atom (eg, oxygen, nitrogen, sulfur) substituted hydrocarbon groups.
  • R1 and R2 both represent ethyl, or, R1 represents a hydrogen atom, R2 represents n-hexyl; R3 represents -C[N(CH3) 2 ] 2 .
  • a photomask is placed on one side of the liquid crystal cell, and the photomask is irradiated with light of the first wavelength (400 nm-500 nm) for an irradiation time of 15-60 min and an irradiation intensity of 1-50 mW /cm 2 , the first wavelength of light passing through the gap between the photomasks irradiates the liquid crystal cell to initiate photoinitiator A1 101, polymer monomer B1 104, and polymer monomer B2 103 to perform anionic polymerization on the first substrate 105 and the second Polymer barriers are formed between the substrates 106.
  • the reaction between the polymer monomer B1 104 and the polymer monomer B2 103 belongs to the thiol-Michael addition reaction.
  • the light of the second wavelength may be ultraviolet light or visible light; the second polymer 108 may be a polymer barrier or a polymer bump.
  • the first polymer 107 and the second polymer 108 are different and are respectively one of polymer barriers or polymer bumps, that is, when the first polymer 107 is a polymer barrier, the second polymer 108 is a polymer Bumps; when the first polymer 107 is a polymer bump, the second polymer 108 is a polymer barrier.
  • the second wavelength is 280 nm-370 nm, for example, the second wavelength is 280 nm, 320 nm, or 360 nm.
  • the second polymer 108 is a polymer bump.
  • the photoinitiator A2 is selected from at least one of the following compounds:
  • the liquid crystal cell having the first polymer is irradiated with light of the second wavelength (280 nm-370 nm), the light irradiation time of the second wavelength is 5-60 min, and the light of the second wavelength
  • the light irradiation intensity is 0.1-10 mW/cm 2.
  • the photoinitiator A2 102 and the polymer monomer B1 104 undergo free radical polymerization on the inner walls of the first substrate 105 and the second substrate 106 Form polymer bumps.
  • the present application irradiates the liquid crystal cell with light of the first wavelength to anionically polymerize the photoinitiator A1, polymer monomer B1 and polymer monomer B2 to form a polymer barrier between the two substrates constituting the liquid crystal cell.
  • the two-wavelength light irradiates the liquid crystal cell to radically polymerize the photoinitiator A2 and the polymer monomer B1 to form polymer bumps on the inner walls of the two substrates constituting the liquid crystal cell.
  • the anion active center in the process of forming the first polymer and the free radical active center in the process of forming the second polymer will not interfere with each other, so the process of forming the first polymer and the process of forming the second polymer will not interfere with each other Interference.
  • the second polymer may be formed as a polymer barrier
  • the first polymer may be formed as a polymer bump, that is, only the irradiation order of the light of the first wavelength and the light of the second wavelength need to be adjusted.
  • the present application also provides a liquid crystal cell having a receiving cavity and a first polymer and a second polymer disposed on the inner wall of the receiving cavity,
  • the first polymer is injected into the accommodating cavity of the liquid crystal cell by mixing the photoinitiator A1, the photoinitiator A2, the polymer monomer B1 and the polymer monomer B2, and irradiates the liquid crystal cell with the mixture with light of the first wavelength ,
  • the photoinitiator A1, polymer monomer B1 and polymer monomer B2 are formed by anionic polymerization,
  • the second polymer is formed by irradiating the liquid crystal cell with the first polymer with light of the second wavelength to initiate free radical polymerization of the photoinitiator A2 and the polymer monomer B1;
  • photoinitiator A1 is an anionic photoinitiator
  • photoinitiator A2 is a radical polymerization initiator
  • polymer monomer B1 acrylate, acrylate derivative, methacrylate, methacrylate derivative
  • epoxy At least one of resin and styrene
  • the polymer monomer B2 is a mercapto compound
  • the first polymer and the second polymer are different and are respectively one of a polymer barrier or a polymer bump.
  • the light of the first wavelength may be ultraviolet light or visible light.
  • the light of the second wavelength may be ultraviolet light or visible light.
  • the first wavelength is 400 nm-500 nm
  • the second wavelength is 280 nm-370 nm.
  • the photoinitiator A1 is selected from at least one of the following compounds:
  • R1, R2 each independently represent H, a hydrocarbon group or a substituted hydrocarbon group
  • R3 represents a hydrocarbon group or a substituted hydrocarbon group.
  • Hydrocarbon groups include, but are not limited to, alkyl groups, cycloalkyl groups, and aryl groups.
  • Substituted hydrocarbon groups include, but are not limited to, halogen atom-substituted hydrocarbon groups, and hetero atom (eg, oxygen, nitrogen, sulfur) substituted hydrocarbon groups.
  • R1 and R2 both represent ethyl, or, R1 represents a hydrogen atom, R2 represents n-hexyl; R3 represents -C[N(CH3) 2 ] 2 .
  • the photoinitiator A2 is selected from at least one of the following compounds:
  • the liquid crystal cell further includes liquid crystal (not shown), and the liquid crystal is filled in the accommodating cavity of the liquid crystal cell.
  • the liquid crystal is a vertical alignment liquid crystal (Vertical Alignment Liquid).
  • the first polymer and the second polymer in the liquid crystal cell of this application are formed by anionic polymerization and cationic polymerization, respectively, and the anionic active center in the process of forming the first polymer and the free radical active center in the process of forming the second polymer will not Mutual interference, so the process of forming the first polymer and the process of forming the second polymer will not interfere with each other.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Nonlinear Science (AREA)
  • Dispersion Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Polymerisation Methods In General (AREA)

Abstract

Provided are a liquid crystal cell, a manufacturing method thereof, and a photopolymerizable composition, a first polymer and a second polymer are formed by anionic polymerization and free radical polymerization, the formation processes of the first polymer and the second polymer do not interfere with each other.

Description

液晶盒及其制造方法、光聚合性组合物Liquid crystal cell, manufacturing method thereof, and photopolymerizable composition 技术领域Technical field
本申请涉及显示技术领域，尤其涉及一种液晶盒及其制造方法、光聚合性组合物。The present application relates to the field of display technology, in particular to a liquid crystal cell, a manufacturing method thereof, and a photopolymerizable composition.
背景技术Background technique
在液晶中添加聚合物单体是新型液晶显示模式的重要技术，在一定条件下引发聚合物单体聚合可以使液晶显示器实现许多有趣的显示模式，例如聚合物分散液晶(PolymerDispersed Liquid Crystal，PDLC)、快速响应液晶体系以及聚合物稳定垂直配向体系(PolymerStablizedVitical Alignment，PSVA)等等，其中，聚合物稳定垂直配向体系是在液晶中加入聚合物单体和光引发剂，聚合物单体和光引发剂经紫外线照射后形成聚合物凸点(Polymer Bump)，聚合物凸点用于固定液晶形成预倾角。The addition of polymer monomers to liquid crystals is an important technology for new liquid crystal display modes. Initiating polymerization of polymer monomers under certain conditions can enable liquid crystal displays to achieve many interesting display modes, such as Polymer Dispersed Liquid Crystal (PDLC). , Fast response liquid crystal system and polymer stable vertical alignment system (PolymerStablizedViticalAlignment, PSVA), etc., where the polymer stable vertical alignment system is to add polymer monomers and photoinitiators to the liquid crystal, polymer monomers and photoinitiators After UV irradiation, polymer bumps are formed, which are used to fix the liquid crystal to form a pre-tilt angle.
在柔性显示领域，液晶聚合物挡墙(PolymerWall Liquid Crystal，PWLC)技术通过对液晶和聚合物单体的化学结构和组成比例进行调整，使得聚合物单体经过准直性紫外光曝光后可以在组成液晶显示器的两个基板中间形成合适宽度的聚合物挡墙，聚合物挡墙的位置与紫外光照射到的区域相关，而紫外光照射的区域又可以通过光罩的设计来进行控制。通过聚合物挡墙技术形成的聚合物在组成液晶显示器的两个基板之间能起到黏附作用，能够较好的起到维持液晶显示器的盒厚的作用。而且，通过适当的设计，形成的聚合物挡墙可以有效地控制液晶的流动的同时，也能消除由外力和重力引起的亮度显示不均匀的现象(Mura)。In the field of flexible displays, the liquid crystal polymer barrier (PolymerWall Liquid Crystal) (PWLC) technology adjusts the chemical structure and composition ratio of liquid crystal and polymer monomers so that the polymer monomers can be exposed to collimated ultraviolet light after exposure A polymer barrier wall of appropriate width is formed between the two substrates constituting the liquid crystal display. The position of the polymer barrier wall is related to the area irradiated by the ultraviolet light, and the area irradiated by the ultraviolet light can be controlled by the design of the photomask. The polymer formed by the polymer barrier technology can play an adhesion role between the two substrates constituting the liquid crystal display, and can better play a role in maintaining the cell thickness of the liquid crystal display. Moreover, through proper design, the formed polymer barrier can effectively control the flow of liquid crystal, and can also eliminate the phenomenon of uneven brightness display caused by external forces and gravity (Mura).
目前，聚合物稳定垂直配向体系和液晶聚合物挡墙技术主要是基于自由基聚合以形成聚合物，即通过紫光照射使得光引发剂产生自由基，形成的自由基引发聚合物单体发生自由基反应以形成聚合物，随着聚合物的链长增加，聚合物和液晶发生相分离，从而产生功能性的结构，同时采用自由基聚合以形成液晶聚合物挡墙和聚合物凸起时，聚合物挡墙和聚合物凸起的形成过程会相互干扰。At present, the polymer stable vertical alignment system and liquid crystal polymer barrier wall technology are mainly based on free radical polymerization to form a polymer, that is, the photoinitiator generates free radicals through violet light irradiation, and the formed free radicals initiate the free radicals of the polymer monomer. Reaction to form a polymer. As the chain length of the polymer increases, the polymer and the liquid crystal phase separate to produce a functional structure. At the same time, free radical polymerization is used to form a liquid crystal polymer barrier and polymer protrusion. The formation process of the object retaining wall and the polymer protrusion will interfere with each other.
技术问题technical problem
本申请的目的在于提供一种液晶盒及其制造方法，该液晶盒的聚合物挡墙和聚合物凸起的形成过程不会相互干扰。The purpose of the present application is to provide a liquid crystal cell and a method for manufacturing the same. The formation process of the polymer barrier wall and the polymer protrusion of the liquid crystal cell will not interfere with each other.
本申请的又一目的是提供一种光聚合性组合物。Another object of the present application is to provide a photopolymerizable composition.
技术解决方案Technical solution
一种液晶盒的制造方法，所述液晶盒的制造方法包括如下步骤：A method for manufacturing a liquid crystal cell. The method for manufacturing a liquid crystal cell includes the following steps:
将光引发剂A1、光引发剂A2、聚合物单体B1以及聚合物单体B2混合以得混合物；Mixing photoinitiator A1, photoinitiator A2, polymer monomer B1 and polymer monomer B2 to obtain a mixture;
将所述混合物注入所述液晶盒的容纳空腔中得具有混合物的液晶盒；Injecting the mixture into the accommodating cavity of the liquid crystal cell to obtain a liquid crystal cell with the mixture;
利用第一波长的光照射所述具有混合物的液晶盒，引发所述光引发剂A1、所述聚合物单体B1以及所述聚合物单体B2进行阴离子聚合以在所述液晶盒的容纳空腔的内壁上形成第一聚合物；The liquid crystal cell with the mixture is irradiated with light of the first wavelength to initiate anionic polymerization of the photoinitiator A1, the polymer monomer B1 and the polymer monomer B2 to empty the liquid crystal cell The first polymer is formed on the inner wall of the cavity;
利用第二波长的光照射具有所述第一聚合物的液晶盒，引发所述光引发剂A2以及所述聚合物单体B1进行自由基聚合以在所述液晶盒的容纳空腔的内壁上形成第二聚合物；The liquid crystal cell having the first polymer is irradiated with light of a second wavelength to initiate radical polymerization of the photoinitiator A2 and the polymer monomer B1 to be on the inner wall of the liquid crystal cell containing cavity Forming a second polymer;
其中，所述光引发剂A1为阴离子光引发剂，所述光引发剂A2为自由基聚合光引发剂，所述聚合物单体B1为丙烯酸酯、丙烯酸酯衍生物、甲基丙烯酸酯、甲基丙烯酸酯衍生物、环氧树脂以及苯乙烯中的至少一种，所述聚合物单体B2为巯基化合物，所述第一聚合物和所述第二聚合物不同且分别为聚合物挡墙或聚合物凸点中的一种。Wherein, the photoinitiator A1 is an anionic photoinitiator, the photoinitiator A2 is a radical polymerization photoinitiator, and the polymer monomer B1 is an acrylate, an acrylate derivative, methacrylate, a At least one of acryl acrylate derivative, epoxy resin and styrene, the polymer monomer B2 is a mercapto compound, the first polymer and the second polymer are different and are respectively polymer barriers Or one of the polymer bumps.
在上述液晶盒的制造方法中，所述第一波长为400纳米-500纳米，所述第二波长为280纳米-370纳米。In the above method of manufacturing a liquid crystal cell, the first wavelength is 400 nm-500 nm, and the second wavelength is 280 nm-370 nm.
在上述液晶盒的制造方法中，所述光引发剂A1选自如下化合物中的至少一种：In the above method of manufacturing a liquid crystal cell, the photoinitiator A1 is selected from at least one of the following compounds:
Figure PCTCN2019077597-appb-000001
Figure PCTCN2019077597-appb-000001
Figure PCTCN2019077597-appb-000002
以及
Figure PCTCN2019077597-appb-000002
as well as
Figure PCTCN2019077597-appb-000003
Figure PCTCN2019077597-appb-000003
；其中，所述R1、R2各自独立地表示H、烃基或取代的烃基，所述R3表示烃基或取代的烃基。; Wherein, R1, R2 each independently represent H, a hydrocarbon group or a substituted hydrocarbon group, and R3 represents a hydrocarbon group or a substituted hydrocarbon group.
在上述液晶盒的制造方法中，所述光引发剂A2选自如下化合物中的至少一种：In the above method of manufacturing a liquid crystal cell, the photoinitiator A2 is selected from at least one of the following compounds:
Figure PCTCN2019077597-appb-000004
Figure PCTCN2019077597-appb-000004
Figure PCTCN2019077597-appb-000005
以及
Figure PCTCN2019077597-appb-000005
as well as
Figure PCTCN2019077597-appb-000006
Figure PCTCN2019077597-appb-000006
在上述液晶盒的制造方法中，所述第一聚合物为聚合物挡墙，所述第二聚合物为聚合物凸点。In the above method of manufacturing a liquid crystal cell, the first polymer is a polymer barrier, and the second polymer is a polymer bump.
在上述液晶盒的制造方法中，所述巯基化合物选自如下化合物中的至少一种：In the above method of manufacturing a liquid crystal cell, the mercapto compound is selected from at least one of the following compounds:
Figure PCTCN2019077597-appb-000007
以及
Figure PCTCN2019077597-appb-000007
as well as
Figure PCTCN2019077597-appb-000008
Figure PCTCN2019077597-appb-000008
一种液晶盒，所述液晶盒具有一容纳空腔以及设置于所述容纳空腔的内壁上的第一聚合物和第二聚合物，A liquid crystal cell having a receiving cavity and a first polymer and a second polymer disposed on the inner wall of the receiving cavity,
所述第一聚合物是通过将光引发剂A1、光引发剂A2、聚合物单体B1以及聚合物单体B2混合后注入所述液晶盒的容纳空腔，以及利用第一波长的光照射所述具有混合物的液晶盒，引发所述光引发剂A1、所述聚合物单体B1以及所述聚合物单体B2进行阴离子聚合形成的，The first polymer is injected into the accommodating cavity of the liquid crystal cell by mixing photoinitiator A1, photoinitiator A2, polymer monomer B1 and polymer monomer B2, and irradiating with light of the first wavelength The liquid crystal cell with a mixture is formed by initiating anion polymerization of the photoinitiator A1, the polymer monomer B1 and the polymer monomer B2,
所述第二聚合物是通过利用第二波长的光照射具有所述第一聚合物的液晶盒，引发所述光引发剂A2以及所述聚合物单体B1进行自由基聚合形成的；The second polymer is formed by irradiating a liquid crystal cell having the first polymer with light of a second wavelength to initiate radical polymerization of the photoinitiator A2 and the polymer monomer B1;
其中，所述光引发剂A1为阴离子光引发剂，所述光引发剂A2为自由基聚合光引发剂，所述聚合物单体B1为丙烯酸酯、丙烯酸酯衍生物、甲基丙烯酸酯、甲基丙烯酸酯衍生物、环氧树脂以及苯乙烯中的至少一种，所述聚合物单体B2为巯基化合物，所述第一聚合物和所述第二聚合物不同且分别为聚合物挡墙或聚合物凸点中的一种。Wherein, the photoinitiator A1 is an anionic photoinitiator, the photoinitiator A2 is a radical polymerization photoinitiator, and the polymer monomer B1 is an acrylate, an acrylate derivative, methacrylate, a At least one of acryl acrylate derivative, epoxy resin and styrene, the polymer monomer B2 is a mercapto compound, the first polymer and the second polymer are different and are respectively polymer barriers Or one of the polymer bumps.
在上述液晶盒中，所述第一波长为400纳米-500纳米，所述第二波长为280纳米-370纳米。In the above liquid crystal cell, the first wavelength is 400 nm-500 nm, and the second wavelength is 280 nm-370 nm.
在上述液晶盒中，所述光引发剂A1选自如下化合物中的至少一种：In the above liquid crystal cell, the photoinitiator A1 is selected from at least one of the following compounds:
Figure PCTCN2019077597-appb-000009
Figure PCTCN2019077597-appb-000009
Figure PCTCN2019077597-appb-000010
以及
Figure PCTCN2019077597-appb-000010
as well as
Figure PCTCN2019077597-appb-000011
Figure PCTCN2019077597-appb-000011
；其中，所述R1、R2各自独立地表示H、烃基或取代的烃基，所述R3表示烃基或取代的烃基。; Wherein, R1, R2 each independently represent H, a hydrocarbon group or a substituted hydrocarbon group, and R3 represents a hydrocarbon group or a substituted hydrocarbon group.
在上述液晶盒中，所述光引发剂A2选自如下化合物中的至少一种：In the above liquid crystal cell, the photoinitiator A2 is selected from at least one of the following compounds:
Figure PCTCN2019077597-appb-000012
Figure PCTCN2019077597-appb-000012
Figure PCTCN2019077597-appb-000013
以及
Figure PCTCN2019077597-appb-000013
as well as
Figure PCTCN2019077597-appb-000014
Figure PCTCN2019077597-appb-000014
在上述液晶盒中，所述第一聚合物为聚合物挡墙，所述第二聚合物为聚合物凸点。In the above liquid crystal cell, the first polymer is a polymer barrier, and the second polymer is a polymer bump.
在上述液晶盒中，所述巯基化合物选自如下化合物中的至少一种：In the above liquid crystal cell, the mercapto compound is selected from at least one of the following compounds:
Figure PCTCN2019077597-appb-000015
以及
Figure PCTCN2019077597-appb-000015
as well as
Figure PCTCN2019077597-appb-000016
Figure PCTCN2019077597-appb-000016
在上述液晶盒中，所述液晶盒还包括液晶，所述液晶填充于所述液晶盒的所述容纳空腔中。In the above liquid crystal cell, the liquid crystal cell further includes liquid crystal, and the liquid crystal is filled in the accommodating cavity of the liquid crystal cell.
一种光聚合性组合物，所述光聚合性组合物包括光引发剂A1、光引发剂A2、聚合物单体B1以及聚合物单体B2，A photopolymerizable composition comprising a photoinitiator A1, a photoinitiator A2, a polymer monomer B1 and a polymer monomer B2,
所述光引发剂A1、所述聚合物单体B1以及所述聚合物单体B2用于在第一波长的光的照射下进行阴离子聚合以形成第一聚合物；The photoinitiator A1, the polymer monomer B1, and the polymer monomer B2 are used to perform anionic polymerization under the irradiation of light of a first wavelength to form a first polymer;
所述光引发剂A2以及所述聚合物单体B1用于在第二波长的光的照射下进行自由基聚合物以形成第二聚合物；The photoinitiator A2 and the polymer monomer B1 are used to perform a radical polymer under the irradiation of light of a second wavelength to form a second polymer;
其中，所述光引发剂A1为阴离子光引发剂，所述光引发剂A2为自由基聚合光引发剂，所述聚合物单体B1为丙烯酸酯、丙烯酸酯衍生物、甲基丙烯酸酯、甲基丙烯酸酯衍生物、环氧树脂以及苯乙烯中的至少一种，所述聚合物单体B2为巯基化合物。Wherein, the photoinitiator A1 is an anionic photoinitiator, the photoinitiator A2 is a radical polymerization photoinitiator, and the polymer monomer B1 is an acrylate, an acrylate derivative, methacrylate, a At least one of a acrylate derivative, an epoxy resin, and styrene, and the polymer monomer B2 is a mercapto compound.
在上述光聚合性组合物中，所述第一波长为400纳米-500纳米，所述第二波长为280纳米-370纳米。In the above photopolymerizable composition, the first wavelength is 400 nm-500 nm, and the second wavelength is 280 nm-370 nm.
在上述光聚合性组合物中，所述光引发剂A1选自如下化合物中的至少一种：In the above photopolymerizable composition, the photoinitiator A1 is selected from at least one of the following compounds:
Figure PCTCN2019077597-appb-000017
Figure PCTCN2019077597-appb-000017
Figure PCTCN2019077597-appb-000018
以及
Figure PCTCN2019077597-appb-000018
as well as
Figure PCTCN2019077597-appb-000019
Figure PCTCN2019077597-appb-000019
；所述R1、R2各自独立地表示H、烃基或取代的烃基，所述R3表示烃基或取代的烃基。; The R1, R2 each independently represent H, a hydrocarbon group or a substituted hydrocarbon group, the R3 represents a hydrocarbon group or a substituted hydrocarbon group.
在上述光聚合性组合物中，所述光引发剂A2选自如下化合物中的至少一种：In the above photopolymerizable composition, the photoinitiator A2 is selected from at least one of the following compounds:
Figure PCTCN2019077597-appb-000020
Figure PCTCN2019077597-appb-000020
Figure PCTCN2019077597-appb-000021
以及
Figure PCTCN2019077597-appb-000021
as well as
Figure PCTCN2019077597-appb-000022
Figure PCTCN2019077597-appb-000022
在上述光聚合性组合物中，所述巯基化合物选自如下化合物中的至少一种：In the above photopolymerizable composition, the mercapto compound is selected from at least one of the following compounds:
Figure PCTCN2019077597-appb-000023
以及
Figure PCTCN2019077597-appb-000023
as well as
Figure PCTCN2019077597-appb-000024
Figure PCTCN2019077597-appb-000024
有益效果Beneficial effect
本申请提供一种液晶盒及其制造方法、光聚合性组合物，通过阴离子聚合以及自由基聚合分别形成第一聚合物和第二聚合物，第一聚合物和第二聚合物的形成过程不会相互干扰。The present application provides a liquid crystal cell, a method for manufacturing the same, and a photopolymerizable composition. The first polymer and the second polymer are formed by anionic polymerization and radical polymerization, respectively. The formation process of the first polymer and the second polymer is not Will interfere with each other.
附图说明BRIEF DESCRIPTION
图1为本申请液晶盒的制造方法的流程图；FIG. 1 is a flowchart of a method for manufacturing a liquid crystal cell of the present application;
图2A-2E为图1所示流程图的过程示意图。2A-2E are schematic process diagrams of the flowchart shown in FIG. 1.
本发明的实施方式Embodiments of the invention
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述。显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without making creative work fall within the protection scope of the present application.
本申请提供一种光聚合性组合物，光聚合性组合物包括光引发剂A1、光引发剂A2、聚合物单体B1以及聚合物单体B2，The present application provides a photopolymerizable composition. The photopolymerizable composition includes a photoinitiator A1, a photoinitiator A2, a polymer monomer B1, and a polymer monomer B2.
光引发剂A1、聚合物单体B1以及聚合物单体B2用于在第一波长的光的照射下进行阴离子聚合以形成第一聚合物；The photoinitiator A1, the polymer monomer B1 and the polymer monomer B2 are used to perform anionic polymerization under the irradiation of light of the first wavelength to form a first polymer;
光引发剂A2以及聚合物单体B1用于在第二波长的光的照射下进行自由基聚合物以形成第二聚合物；The photoinitiator A2 and the polymer monomer B1 are used to perform a radical polymer under the irradiation of light of a second wavelength to form a second polymer;
其中，光引发剂A1为阴离子光引发剂，光引发剂A2为自由基聚合光引发剂，聚合物单体B1为丙烯酸酯、丙烯酸酯衍生物、甲基丙烯酸酯、甲基丙烯酸酯衍生物、环氧树脂以及苯乙烯中的至少一种，所述聚合物单体B2为巯基化合物。在一些实施例中，第一波长的光可以为紫外光，也可以为可见光。第一波长的光为可见光时，第一波长为400-500纳米，例如第一波长为410纳米、430纳米以及480纳米。第一波长为400-500纳米时，第一波长的光照射时间为15-60min，例如光照时间为15min，30min或45min；第一波长的光照射强度为1-50mW/cm 2，例如照射强度为10mW/cm 2，25mW/cm 2或45mW/cm 2。第一波长为400纳米-500纳米时，光引发剂A1选自如下化合物中的至少一种： Among them, the photoinitiator A1 is an anionic photoinitiator, the photoinitiator A2 is a radical polymerization photoinitiator, and the polymer monomer B1 is an acrylate, acrylate derivative, methacrylate, methacrylate derivative, At least one of epoxy resin and styrene, and the polymer monomer B2 is a mercapto compound. In some embodiments, the light of the first wavelength may be ultraviolet light or visible light. When the light of the first wavelength is visible light, the first wavelength is 400-500 nm, for example, the first wavelength is 410 nm, 430 nm, and 480 nm. When the first wavelength is 400-500 nm, the light irradiation time of the first wavelength is 15-60min, for example, the irradiation time is 15min, 30min or 45min; the light irradiation intensity of the first wavelength is 1-50mW/cm 2 , for example the irradiation intensity It is 10mW/cm 2 , 25mW/cm 2 or 45mW/cm 2 . When the first wavelength is 400 nm-500 nm, the photoinitiator A1 is selected from at least one of the following compounds:
Figure PCTCN2019077597-appb-000025
Figure PCTCN2019077597-appb-000025
Figure PCTCN2019077597-appb-000026
以及
Figure PCTCN2019077597-appb-000026
as well as
Figure PCTCN2019077597-appb-000027
Figure PCTCN2019077597-appb-000027
；其中，R1、R2各自独立地表示H、烃基或取代的烃基，R3表示烃基或取代的烃基。烃基包括但不限于烷基、环烷基以及芳基等，取代的烃基包括但不限于卤原子取代的烃基，杂原子(例如氧、氮、硫)取代的烃基。具体地，R1和R2均表示乙基，或，R1表示氢原子，R2表示正己基；R3表示-C[N(CH 3) 2] 2。 ; Wherein, R1, R2 each independently represent H, a hydrocarbon group or a substituted hydrocarbon group, R3 represents a hydrocarbon group or a substituted hydrocarbon group. Hydrocarbon groups include, but are not limited to, alkyl groups, cycloalkyl groups, and aryl groups. Substituted hydrocarbon groups include, but are not limited to, halogen atom-substituted hydrocarbon groups, and hetero atom (eg, oxygen, nitrogen, sulfur) substituted hydrocarbon groups. Specifically, R1 and R2 both represent ethyl, or, R1 represents a hydrogen atom, R2 represents n-hexyl; R3 represents -C[N(CH 3 ) 2 ] 2 .
在一些实施例中，第二波长的光可以为紫外光，也可以为可见光。第二波长的光为紫外光时，第二波长为280-370纳米，例如第二波长为280纳米、320纳米或360纳米。第二波长为280-370纳米时，第二波长的光的照射时间为5-60min，例如照射时间为8min、25min以及40min；第二波长的光的照射强度为0.1-10mW/cm 2，例如照射强度为0.2mW/cm 2、4mW/cm 2、8mW/cm 2。第二波长为280-370纳米时，光引发剂A2选自如下化合物中的至少一种： In some embodiments, the light of the second wavelength may be ultraviolet light or visible light. When the light of the second wavelength is ultraviolet light, the second wavelength is 280-370 nm, for example, the second wavelength is 280 nm, 320 nm, or 360 nm. When the second wavelength is 280-370 nm, the irradiation time of the second wavelength light is 5-60min, for example, the irradiation time is 8min, 25min and 40min; the irradiation intensity of the second wavelength light is 0.1-10mW/cm 2 , for example the irradiation intensity of 0.2mW / cm 2, 4mW / cm 2, 8mW / cm 2. When the second wavelength is 280-370 nm, the photoinitiator A2 is selected from at least one of the following compounds:
Figure PCTCN2019077597-appb-000028
Figure PCTCN2019077597-appb-000028
Figure PCTCN2019077597-appb-000029
以及
Figure PCTCN2019077597-appb-000029
as well as
Figure PCTCN2019077597-appb-000030
Figure PCTCN2019077597-appb-000030
下面结合具体实施例对上述光聚合性组合物进行描述。The photopolymerizable composition will be described below with reference to specific examples.
在第一实施例中，光聚合性组合物的组成及由该光聚合性组合物形成第一聚合物和第二聚合物的条件如表1所示。In the first embodiment, the composition of the photopolymerizable composition and the conditions for forming the first polymer and the second polymer from the photopolymerizable composition are shown in Table 1.
表1第一实施例光聚合性组合物的组成及由该光聚合性组合物形成第一聚合物和第二聚合物的条件Table 1 Composition of the first example photopolymerizable composition and conditions for forming the first polymer and the second polymer from the photopolymerizable composition
Figure PCTCN2019077597-appb-000031
Figure PCTCN2019077597-appb-000031
Figure PCTCN2019077597-appb-000032
Figure PCTCN2019077597-appb-000032
在第二实施例中，光聚合性组合物的组成及由该光聚合性组合物形成第一聚合物和第二聚合物的条件如表2所示。In the second embodiment, the composition of the photopolymerizable composition and the conditions for forming the first polymer and the second polymer from the photopolymerizable composition are shown in Table 2.
表2第二实施例光聚合性组合物的组成及由该光聚合性组合物形成第一聚合物和第二聚合物的条件Table 2 Composition of the second example photopolymerizable composition and conditions for forming the first polymer and the second polymer from the photopolymerizable composition
Figure PCTCN2019077597-appb-000033
Figure PCTCN2019077597-appb-000033
Figure PCTCN2019077597-appb-000034
Figure PCTCN2019077597-appb-000034
在第三实施例中，光聚合性组合物的组成及由该光聚合性组合物形成第一聚合物和第二聚合物的条件如表3所示。In the third embodiment, the composition of the photopolymerizable composition and the conditions for forming the first polymer and the second polymer from the photopolymerizable composition are shown in Table 3.
表3第三实施例光聚合性组合物的组成及由该光聚合性组合物形成第一聚合物和第二聚合物的条件Table 3 The composition of the third example photopolymerizable composition and the conditions for forming the first polymer and the second polymer from the photopolymerizable composition
Figure PCTCN2019077597-appb-000035
Figure PCTCN2019077597-appb-000035
Figure PCTCN2019077597-appb-000036
Figure PCTCN2019077597-appb-000036
在上述第一实施例、第二实施例以及第三实施例中，光引发剂A1、聚合物单体B1以及聚合物单体B2在第一波长的光照射下进行阴离子聚合以形成第一聚合物，光引发剂A2以及聚合物单体B1在第二波长的光照射下进行自由基聚合以形成第二聚合物，第一聚合物和第二聚合物的形成机理不同，形成过程中的活性中心不同，形成第一聚合物的过程和形成第二聚合物的过程之间不会相互干扰，故本申请的光聚合性组合物用于形成两种不同聚合物时，两种聚合物的形成过程不会相互干扰。In the above-described first embodiment, second embodiment, and third embodiment, the photoinitiator A1, the polymer monomer B1, and the polymer monomer B2 are subjected to anion polymerization under light irradiation of the first wavelength to form a first polymerization Substances, photoinitiator A2 and polymer monomer B1 undergo free radical polymerization under the light of the second wavelength to form a second polymer, the formation mechanism of the first polymer and the second polymer are different, the activity in the formation process The centers are different, and the process of forming the first polymer and the process of forming the second polymer do not interfere with each other, so when the photopolymerizable composition of the present application is used to form two different polymers, the formation of the two polymers The process does not interfere with each other.
本申请利用上述光聚合性组合物分别形成液晶盒的聚合挡墙和聚合物凸点，聚合物挡墙用于控制液晶的流动的同时，也用于控制液晶盒的厚度；聚合物凸点时用于固定液晶盒中的液晶形成预倾角。可以理解的是，也可以将光聚合性组合物应用于其他聚合物功能性结构的制造，本申请不做具体地限定。This application uses the above photopolymerizable composition to form the polymer barrier and polymer bumps of the liquid crystal cell respectively. The polymer barrier is used to control the flow of liquid crystal and also to control the thickness of the liquid crystal cell; Used to fix the liquid crystal in the liquid crystal cell to form a pre-tilt angle. It can be understood that the photopolymerizable composition can also be applied to the manufacture of other polymer functional structures, which is not specifically limited in this application.
一种液晶盒的制造方法，该制造方法的流程图如图1所示，该制造方法包括如下步骤：A method for manufacturing a liquid crystal cell. A flowchart of the manufacturing method is shown in FIG. 1. The manufacturing method includes the following steps:
S10:将光引发剂A1 101、光引发剂A2 102、聚合物单体B1 104以及聚合物单体B2 103混合以得混合物。S10: Mixing photoinitiator A1 101, photoinitiator A2 102, polymer monomer B1 104 and polymer monomer B2 103 to obtain a mixture.
光引发剂A1 101为阴离子光引发剂，也称为光致产碱剂，其在一定波长的光照射下产生阴离子活性中心以引发阴离子聚合反应。 Photoinitiator A1 101 is an anionic photoinitiator, also known as a photobase generator, which generates an anion active center under light irradiation of a certain wavelength to initiate an anionic polymerization reaction.
光引发剂A2 102为自由基引发剂，其在一定波长的光的照射下产生自由基活性中心引发自由基聚合。The photoinitiator A2 102 is a free radical initiator, which generates free radical active centers to initiate free radical polymerization under the irradiation of light of a certain wavelength.
聚合物单体B1 104通过碳碳双键的加成或者环氧基的开环加成以形成聚合物。 聚合物单体B1 104为丙烯酸酯、丙烯酸酯衍生物、甲基丙烯酸酯、甲基丙烯酸酯衍生物、环氧树脂以及苯乙烯中的至少一种。The polymer monomer B1 104 is formed by the addition of a carbon-carbon double bond or the ring-opening addition of an epoxy group to form a polymer. The polymer monomer B1 104 is at least one of acrylate, acrylate derivative, methacrylate, methacrylate derivative, epoxy resin, and styrene.
聚合物单体B2 103为巯基化合物，其可以为含有一个巯基的化合物，也可以为含有多个巯基的化合物。The polymer monomer B2 103 is a mercapto compound, which may be a compound containing one mercapto group or a compound containing multiple mercapto groups.
S11:如图2A所示，将混合物注入液晶盒的容纳空腔中得具有混合物的液晶盒。具体地，将混合物注入液晶盒的容纳空腔中后，组成混合物的光引发剂A1 101、光引发剂A2 102、聚合物单体B1 104以及聚合物单体B2 103均匀地分散于容纳空腔中。将混合物注入液晶盒的方法包括但不限于灌注法以及滴下式注入法(One Drop Filing，ODF)。S11: As shown in FIG. 2A, the mixture is injected into the accommodating cavity of the liquid crystal cell to obtain the liquid crystal cell with the mixture. Specifically, after the mixture is injected into the accommodating cavity of the liquid crystal cell, the photoinitiator A1 101, the photoinitiator A2 102, the polymer monomer B1 104 and the polymer monomer B2 103 constituting the mixture are uniformly dispersed in the accommodating cavity in. Methods of injecting the mixture into the liquid crystal cell include, but are not limited to, perfusion method and drop injection method (One Drop Filling, ODF).
液晶盒包括第一基板105、第二基板106以及连接第一基板105和第二基板106的封框胶，第一基板105的内表面、第二基板106的内表面以及封框胶围合成液晶盒的容纳空腔。The liquid crystal cell includes a first substrate 105, a second substrate 106, and a frame sealant connecting the first substrate 105 and the second substrate 106. The inner surface of the first substrate 105, the inner surface of the second substrate 106, and the frame sealant surround the synthesized liquid crystal The accommodating cavity of the box.
S12:利用第一波长的光照射液晶盒，引发光引发剂A1 101、聚合物单体B1 104以及聚合物单体B2 103进行阴离子聚合以在液晶盒的容纳空腔的内壁上形成第一聚合物107。S12: irradiate the liquid crystal cell with the light of the first wavelength to initiate anionic polymerization of the photoinitiator A1 101, the polymer monomer B1 104 and the polymer monomer B2 103 to form a first polymerization on the inner wall of the receiving cavity of the liquid crystal cell物107.
第一波长的光可以为紫外光，也可以为可见光，根据照射的光的波长不同，需要选择不同的光引发剂以引发阴离子聚合。第一聚合物107可以为聚合物挡墙，也可以为聚合物凸点。The light of the first wavelength may be ultraviolet light or visible light. Depending on the wavelength of the irradiated light, different photoinitiators need to be selected to initiate anionic polymerization. The first polymer 107 may be a polymer retaining wall or a polymer bump.
为了便于说明，第一波长的光为可见光，第一波长为400纳米-500纳米，例如第一波长为410纳米、430纳米或者480纳米。第一聚合物107为形成于第一基板105和第二基板106之间的聚合物挡墙。第一波长为400-500纳米时，光引发剂A1 101选自如下化合物中的至少一种：For convenience of description, the light of the first wavelength is visible light, and the first wavelength is 400 nm-500 nm, for example, the first wavelength is 410 nm, 430 nm, or 480 nm. The first polymer 107 is a polymer barrier formed between the first substrate 105 and the second substrate 106. When the first wavelength is 400-500 nm, the photoinitiator A1 101 is selected from at least one of the following compounds:
Figure PCTCN2019077597-appb-000037
Figure PCTCN2019077597-appb-000037
Figure PCTCN2019077597-appb-000038
以及
Figure PCTCN2019077597-appb-000038
as well as
Figure PCTCN2019077597-appb-000039
Figure PCTCN2019077597-appb-000039
；其中，R1、R2各自独立地表示H、烃基或取代的烃基，R3表示烃基或取代的烃基。烃基包括但不限于烷基、环烷基以及芳基等，取代的烃基包括但不限于卤原子取代的烃基，杂原子(例如氧、氮、硫)取代的烃基。具体地，R1和R2均表示乙基，或，R1表示氢原子，R2表示正己基；R3表示-C[N(CH3) 2] 2。 ; Wherein, R1, R2 each independently represent H, a hydrocarbon group or a substituted hydrocarbon group, R3 represents a hydrocarbon group or a substituted hydrocarbon group. Hydrocarbon groups include, but are not limited to, alkyl groups, cycloalkyl groups, and aryl groups. Substituted hydrocarbon groups include, but are not limited to, halogen atom-substituted hydrocarbon groups, and hetero atom (eg, oxygen, nitrogen, sulfur) substituted hydrocarbon groups. Specifically, R1 and R2 both represent ethyl, or, R1 represents a hydrogen atom, R2 represents n-hexyl; R3 represents -C[N(CH3) 2 ] 2 .
具体地，如图2B及2C所示，在液晶盒的一侧放置一光罩，利用第一波长(400纳米-500纳米)的光照射光罩，照射时间15-60min，照射强度为1-50mW/cm 2，透过光罩间隙的第一波长的光照射液晶盒引发光引发剂A1 101、聚合物单体B1 104以及聚合物单体B2 103进行阴离子聚合以于第一基板105和第二基板106之间形成聚合物挡墙。其中，聚合物单体B1 104和聚合物单体B2 103之间的反应属于硫醇-Michael加成反应。 Specifically, as shown in FIGS. 2B and 2C, a photomask is placed on one side of the liquid crystal cell, and the photomask is irradiated with light of the first wavelength (400 nm-500 nm) for an irradiation time of 15-60 min and an irradiation intensity of 1-50 mW /cm 2 , the first wavelength of light passing through the gap between the photomasks irradiates the liquid crystal cell to initiate photoinitiator A1 101, polymer monomer B1 104, and polymer monomer B2 103 to perform anionic polymerization on the first substrate 105 and the second Polymer barriers are formed between the substrates 106. Among them, the reaction between the polymer monomer B1 104 and the polymer monomer B2 103 belongs to the thiol-Michael addition reaction.
S13:利用第二波长的光照射具有第一聚合物107的液晶盒，引发光引发剂A2 102以及聚合物单体B1 104进行自由基聚合以在液晶盒的容纳空腔的内壁上形成第二聚合物108。S13: irradiating the liquid crystal cell with the first polymer 107 with light of the second wavelength, initiating the photoinitiator A2 102 and the polymer monomer B1 104 to perform radical polymerization to form a second on the inner wall of the liquid crystal cell containing cavity Polymer 108.
第二波长的光可以为紫外光，也可以为可见光；第二聚合物108可以为聚合物挡墙，也可以为聚合物凸点。第一聚合物107和第二聚合物108不同且分别为聚合物挡墙或聚合物凸点中的一种，即第一聚合物107为聚合物挡墙时，第二聚合物108为聚合物凸点；第一聚合物107为聚合物凸点时，第二聚合物108为聚合物挡墙。The light of the second wavelength may be ultraviolet light or visible light; the second polymer 108 may be a polymer barrier or a polymer bump. The first polymer 107 and the second polymer 108 are different and are respectively one of polymer barriers or polymer bumps, that is, when the first polymer 107 is a polymer barrier, the second polymer 108 is a polymer Bumps; when the first polymer 107 is a polymer bump, the second polymer 108 is a polymer barrier.
为了便于说明，第二波长为280纳米-370纳米，例如第二波长为280纳米、320纳米或360纳米。第二聚合物108为聚合物凸点。第二波长为280纳米-370纳米时，光引发剂A2选自如下化合物中的至少一种：For convenience of description, the second wavelength is 280 nm-370 nm, for example, the second wavelength is 280 nm, 320 nm, or 360 nm. The second polymer 108 is a polymer bump. When the second wavelength is 280 nm-370 nm, the photoinitiator A2 is selected from at least one of the following compounds:
Figure PCTCN2019077597-appb-000040
Figure PCTCN2019077597-appb-000040
Figure PCTCN2019077597-appb-000041
以及
Figure PCTCN2019077597-appb-000041
as well as
Figure PCTCN2019077597-appb-000042
Figure PCTCN2019077597-appb-000042
具体地，如图2D以及2E所示，利用第二波长(280纳米-370纳米)的光照射具有第一聚合物的液晶盒，第二波长的光照射时间为5-60min，第二波长的光照射强度为0.1-10mW/cm 2，在第二波长的光的照射下光引发剂A2 102以及聚合物单体B1 104进行自由基聚合以于第一基板105和第二基板106的内壁上形成聚合物凸点。 Specifically, as shown in FIGS. 2D and 2E, the liquid crystal cell having the first polymer is irradiated with light of the second wavelength (280 nm-370 nm), the light irradiation time of the second wavelength is 5-60 min, and the light of the second wavelength The light irradiation intensity is 0.1-10 mW/cm 2. Under the irradiation of the light of the second wavelength, the photoinitiator A2 102 and the polymer monomer B1 104 undergo free radical polymerization on the inner walls of the first substrate 105 and the second substrate 106 Form polymer bumps.
本申请利用第一波长的光照射液晶盒使光引发剂A1、聚合物单体B1以及聚合物单体B2进行阴离子聚合以于组成液晶盒的两个基板之间形成聚合物挡墙，利用第二波长的光照射液晶盒使光引发剂A2以及聚合物单体B1进行自由基聚合以于组成液晶盒的两个基板的内壁上形成聚合物凸点。形成第一聚合物过程中的阴离子活性中心和形成第二聚合物过程中的自由基活性中心不会相互干扰，故形成第一聚合物的过程和形成第二聚合物的过程之间不会相互之间干扰。The present application irradiates the liquid crystal cell with light of the first wavelength to anionically polymerize the photoinitiator A1, polymer monomer B1 and polymer monomer B2 to form a polymer barrier between the two substrates constituting the liquid crystal cell. The two-wavelength light irradiates the liquid crystal cell to radically polymerize the photoinitiator A2 and the polymer monomer B1 to form polymer bumps on the inner walls of the two substrates constituting the liquid crystal cell. The anion active center in the process of forming the first polymer and the free radical active center in the process of forming the second polymer will not interfere with each other, so the process of forming the first polymer and the process of forming the second polymer will not interfere with each other Interference.
可以理解的是，也可以形成第二聚合物作为聚合物挡墙，形成第一聚合物作为聚合物凸点，即只需要调整第一波长的光和第二波长的光的照射顺序即可。It can be understood that the second polymer may be formed as a polymer barrier, and the first polymer may be formed as a polymer bump, that is, only the irradiation order of the light of the first wavelength and the light of the second wavelength need to be adjusted.
本申请还提供一种液晶盒，液晶盒具有一容纳空腔以及设置于容纳空腔的内壁上的第一聚合物和第二聚合物，The present application also provides a liquid crystal cell having a receiving cavity and a first polymer and a second polymer disposed on the inner wall of the receiving cavity,
第一聚合物是通过将光引发剂A1、光引发剂A2、聚合物单体B1以及聚合物单体B2混合后注入液晶盒的容纳空腔，利用第一波长的光照射具有混合物的液晶盒，引发光引发剂A1、聚合物单体B1以及聚合物单体B2进行阴离子聚合形成的，The first polymer is injected into the accommodating cavity of the liquid crystal cell by mixing the photoinitiator A1, the photoinitiator A2, the polymer monomer B1 and the polymer monomer B2, and irradiates the liquid crystal cell with the mixture with light of the first wavelength , The photoinitiator A1, polymer monomer B1 and polymer monomer B2 are formed by anionic polymerization,
第二聚合物是通过利用第二波长的光照射具有第一聚合物的液晶盒，引发光引发剂A2以及聚合物单体B1进行自由基聚合形成的；The second polymer is formed by irradiating the liquid crystal cell with the first polymer with light of the second wavelength to initiate free radical polymerization of the photoinitiator A2 and the polymer monomer B1;
其中，光引发剂A1为阴离子光引发剂，光引发剂A2为自由基聚合引发剂，聚合物单体B1丙烯酸酯、丙烯酸酯衍生物、甲基丙烯酸酯、甲基丙烯酸酯衍生物、环氧树脂以及苯乙烯中的至少一种，聚合物单体B2为巯基化合物，第一聚合物和第二聚合物不同且分别为聚合物挡墙或聚合物凸点中的一种。Among them, photoinitiator A1 is an anionic photoinitiator, photoinitiator A2 is a radical polymerization initiator, polymer monomer B1 acrylate, acrylate derivative, methacrylate, methacrylate derivative, epoxy At least one of resin and styrene, the polymer monomer B2 is a mercapto compound, the first polymer and the second polymer are different and are respectively one of a polymer barrier or a polymer bump.
在一些实施例中，第一波长的光可以为紫外光，也可以为可见光。第二波长的光可以为紫外光，也可以为可见光。第一波长的光为可见光且第二波长的光为紫外光时，第一波长为400纳米-500纳米，第二波长为280纳米-370纳米。In some embodiments, the light of the first wavelength may be ultraviolet light or visible light. The light of the second wavelength may be ultraviolet light or visible light. When the light of the first wavelength is visible light and the light of the second wavelength is ultraviolet light, the first wavelength is 400 nm-500 nm, and the second wavelength is 280 nm-370 nm.
第一波长为400纳米-500纳米时，光引发剂A1选自如下化合物中的至少一种：When the first wavelength is 400 nm-500 nm, the photoinitiator A1 is selected from at least one of the following compounds:
Figure PCTCN2019077597-appb-000043
Figure PCTCN2019077597-appb-000043
Figure PCTCN2019077597-appb-000044
以及
Figure PCTCN2019077597-appb-000044
as well as
Figure PCTCN2019077597-appb-000045
Figure PCTCN2019077597-appb-000045
；其中，所述R1、R2各自独立地表示H、烃基或取代的烃基，所述R3表示烃基或取代的烃基。烃基包括但不限于烷基、环烷基以及芳基等，取代的烃基包括但不限于卤原子取代的烃基，杂原子(例如氧、氮、硫)取代的烃基。具体地，R1和R2均表示乙基，或，R1表示氢原子，R2表示正己基；R3表示-C[N(CH3) 2] 2。 第二波长为280纳米-370纳米时，光引发剂A2选自如下化合物中的至少一种： ; Wherein, R1, R2 each independently represent H, a hydrocarbon group or a substituted hydrocarbon group, and R3 represents a hydrocarbon group or a substituted hydrocarbon group. Hydrocarbon groups include, but are not limited to, alkyl groups, cycloalkyl groups, and aryl groups. Substituted hydrocarbon groups include, but are not limited to, halogen atom-substituted hydrocarbon groups, and hetero atom (eg, oxygen, nitrogen, sulfur) substituted hydrocarbon groups. Specifically, R1 and R2 both represent ethyl, or, R1 represents a hydrogen atom, R2 represents n-hexyl; R3 represents -C[N(CH3) 2 ] 2 . When the second wavelength is 280 nm-370 nm, the photoinitiator A2 is selected from at least one of the following compounds:
Figure PCTCN2019077597-appb-000046
Figure PCTCN2019077597-appb-000046
Figure PCTCN2019077597-appb-000047
以及
Figure PCTCN2019077597-appb-000047
as well as
Figure PCTCN2019077597-appb-000048
Figure PCTCN2019077597-appb-000048
进一步地，液晶盒还包括液晶(未示出)，液晶填充于液晶盒的容纳空腔中。液晶为垂直排列液晶(Vertical Alignment Liquid Crystal)。Further, the liquid crystal cell further includes liquid crystal (not shown), and the liquid crystal is filled in the accommodating cavity of the liquid crystal cell. The liquid crystal is a vertical alignment liquid crystal (Vertical Alignment Liquid).
本申请液晶盒中的第一聚合物和第二聚合物分别通过阴离子聚合和阳离子聚合形成，形成第一聚合物过程中的阴离子活性中心和形成第二聚合物过程中的自由基活性中心不会相互干扰，故形成第一聚合物的过程和形成第二聚合物的过程之间不会相互之间干扰。The first polymer and the second polymer in the liquid crystal cell of this application are formed by anionic polymerization and cationic polymerization, respectively, and the anionic active center in the process of forming the first polymer and the free radical active center in the process of forming the second polymer will not Mutual interference, so the process of forming the first polymer and the process of forming the second polymer will not interfere with each other.
以上实施例的说明只是用于帮助理解本申请的技术方案及其核心思想；本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本申请各实施例的技术方案的范围。The descriptions of the above embodiments are only used to help understand the technical solutions and core ideas of the present application; those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments or some of the technologies The features are equivalently replaced; and these modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.

Claims (18)

  1. 一种液晶盒的制造方法，其中，所述液晶盒的制造方法包括如下步骤：A method for manufacturing a liquid crystal cell, wherein the method for manufacturing a liquid crystal cell includes the following steps:
    将光引发剂A1、光引发剂A2、聚合物单体B1以及聚合物单体B2混合以得混合物；Mixing photoinitiator A1, photoinitiator A2, polymer monomer B1 and polymer monomer B2 to obtain a mixture;
    将所述混合物注入所述液晶盒的容纳空腔中得具有混合物的液晶盒；Injecting the mixture into the accommodating cavity of the liquid crystal cell to obtain a liquid crystal cell with the mixture;
    利用第一波长的光照射所述具有混合物的液晶盒，引发所述光引发剂A1、所述聚合物单体B1以及所述聚合物单体B2进行阴离子聚合以在所述液晶盒的容纳空腔的内壁上形成第一聚合物；The liquid crystal cell with the mixture is irradiated with light of the first wavelength to initiate anionic polymerization of the photoinitiator A1, the polymer monomer B1 and the polymer monomer B2 to empty the liquid crystal cell The first polymer is formed on the inner wall of the cavity;
    利用第二波长的光照射具有所述第一聚合物的液晶盒，引发所述光引发剂A2以及所述聚合物单体B1进行自由基聚合以在所述液晶盒的容纳空腔的内壁上形成第二聚合物；The liquid crystal cell having the first polymer is irradiated with light of a second wavelength to initiate radical polymerization of the photoinitiator A2 and the polymer monomer B1 to be on the inner wall of the liquid crystal cell containing cavity Forming a second polymer;
    所述光引发剂A1为阴离子光引发剂，所述光引发剂A2为自由基聚合光引发剂，所述聚合物单体B1为丙烯酸酯、丙烯酸酯衍生物、甲基丙烯酸酯、甲基丙烯酸酯衍生物、环氧树脂以及苯乙烯中的至少一种，所述聚合物单体B2为巯基化合物，所述第一聚合物和所述第二聚合物不同且分别为聚合物挡墙或聚合物凸点中的一种。The photoinitiator A1 is an anionic photoinitiator, the photoinitiator A2 is a radical polymerization photoinitiator, and the polymer monomer B1 is an acrylate, acrylate derivative, methacrylate, methacrylic acid At least one of an ester derivative, an epoxy resin, and styrene, the polymer monomer B2 is a mercapto compound, the first polymer and the second polymer are different and are polymer barriers or polymers, respectively One of the bumps of the object.
  2. 根据权利要求1所述的液晶盒的制造方法，其中，所述第一波长为400纳米-500纳米，所述第二波长为280纳米-370纳米。The method for manufacturing a liquid crystal cell according to claim 1, wherein the first wavelength is 400 nm-500 nm, and the second wavelength is 280 nm-370 nm.
  3. 根据权利要求2所述的液晶盒的制造方法，其中，所述光引发剂A1选自如下化合物中的至少一种：The method for manufacturing a liquid crystal cell according to claim 2, wherein the photoinitiator A1 is selected from at least one of the following compounds:
    Figure PCTCN2019077597-appb-100001
    Figure PCTCN2019077597-appb-100001
    Figure PCTCN2019077597-appb-100002
    以及
    Figure PCTCN2019077597-appb-100002
    as well as
    Figure PCTCN2019077597-appb-100003
    Figure PCTCN2019077597-appb-100003
    ；所述R1、R2各自独立地表示H、烃基或取代的烃基，所述R3表示烃基或取代的烃基。; The R1, R2 each independently represent H, a hydrocarbon group or a substituted hydrocarbon group, the R3 represents a hydrocarbon group or a substituted hydrocarbon group.
  4. 根据权利要求2所述的液晶盒的制造方法，其中，所述光引发剂A2选自如下化合物中的至少一种：The method for manufacturing a liquid crystal cell according to claim 2, wherein the photoinitiator A2 is selected from at least one of the following compounds:
    Figure PCTCN2019077597-appb-100004
    Figure PCTCN2019077597-appb-100004
    Figure PCTCN2019077597-appb-100005
    Figure PCTCN2019077597-appb-100005
    Figure PCTCN2019077597-appb-100006
    以及
    Figure PCTCN2019077597-appb-100006
    as well as
    Figure PCTCN2019077597-appb-100007
    Figure PCTCN2019077597-appb-100007
  5. 根据权利要求1所述的液晶盒的制造方法，其中，所述第一聚合物为聚合物挡墙，所述第二聚合物为聚合物凸点。The method of manufacturing a liquid crystal cell according to claim 1, wherein the first polymer is a polymer barrier and the second polymer is a polymer bump.
  6. 根据权利要求1所述的的液晶盒的制造方法，其中，所述巯基化合物选自如下化合物中的至少一种：The method for manufacturing a liquid crystal cell according to claim 1, wherein the mercapto compound is at least one selected from the following compounds:
    Figure PCTCN2019077597-appb-100008
    以及
    Figure PCTCN2019077597-appb-100008
    as well as
    Figure PCTCN2019077597-appb-100009
    Figure PCTCN2019077597-appb-100009
  7. 一种液晶盒，其中，所述液晶盒具有一容纳空腔以及设置于所述容纳空腔的内壁上的第一聚合物和第二聚合物，A liquid crystal cell, wherein the liquid crystal cell has a receiving cavity and a first polymer and a second polymer disposed on the inner wall of the receiving cavity,
    所述第一聚合物是通过将光引发剂A1、光引发剂A2、聚合物单体B1以及聚合物单体B2混合后注入所述液晶盒的容纳空腔，以及利用第一波长的光照射所述具有混合物的液晶盒，引发所述光引发剂A1、所述聚合物单体B1以及所述聚合物单体B2进行阴离子聚合形成的，The first polymer is injected into the accommodating cavity of the liquid crystal cell by mixing photoinitiator A1, photoinitiator A2, polymer monomer B1 and polymer monomer B2, and irradiating with light of the first wavelength The liquid crystal cell with a mixture is formed by initiating anion polymerization of the photoinitiator A1, the polymer monomer B1 and the polymer monomer B2,
    所述第二聚合物是通过利用第二波长的光照射具有所述第一聚合物的液晶盒，引发所述光引发剂A2以及所述聚合物单体B1进行自由基聚合形成的；The second polymer is formed by irradiating a liquid crystal cell having the first polymer with light of a second wavelength to initiate radical polymerization of the photoinitiator A2 and the polymer monomer B1;
    所述光引发剂A1为阴离子光引发剂，所述光引发剂A2为自由基聚合光引发剂，所述聚合物单体B1为丙烯酸酯、丙烯酸酯衍生物、甲基丙烯酸酯、甲基丙烯酸酯衍生物、环氧树脂以及苯乙烯中的至少一种，所述聚合物单体B2为巯基化合物，所述第一聚合物和所述第二聚合物不同且分别为聚合物挡墙或聚合物凸点中的一种。The photoinitiator A1 is an anionic photoinitiator, the photoinitiator A2 is a radical polymerization photoinitiator, and the polymer monomer B1 is an acrylate, acrylate derivative, methacrylate, methacrylic acid At least one of an ester derivative, an epoxy resin, and styrene, the polymer monomer B2 is a mercapto compound, the first polymer and the second polymer are different and are polymer barriers or polymers, respectively One of the bumps of the object.
  8. 根据权利要求7所述的液晶盒，其中，所述第一波长为400纳米-500纳米，所述第二波长为280纳米-370纳米。The liquid crystal cell according to claim 7, wherein the first wavelength is 400 nm-500 nm, and the second wavelength is 280 nm-370 nm.
  9. 根据权利要求8所述的液晶盒，其中，所述光引发剂A1选自如下化合物中的至少一种：The liquid crystal cell according to claim 8, wherein the photoinitiator A1 is selected from at least one of the following compounds:
    Figure PCTCN2019077597-appb-100010
    Figure PCTCN2019077597-appb-100010
    Figure PCTCN2019077597-appb-100011
    以及
    Figure PCTCN2019077597-appb-100011
    as well as
    Figure PCTCN2019077597-appb-100012
    Figure PCTCN2019077597-appb-100012
    ；所述R1、R2各自独立地表示H、烃基或取代的烃基，所述R3表示烃基或取代的烃基。; The R1, R2 each independently represent H, a hydrocarbon group or a substituted hydrocarbon group, the R3 represents a hydrocarbon group or a substituted hydrocarbon group.
  10. 根据权利要求8所述的液晶盒，其中，所述光引发剂A2选自如下化合物中的至少一种：The liquid crystal cell according to claim 8, wherein the photoinitiator A2 is selected from at least one of the following compounds:
    Figure PCTCN2019077597-appb-100013
    Figure PCTCN2019077597-appb-100013
    Figure PCTCN2019077597-appb-100014
    Figure PCTCN2019077597-appb-100014
    Figure PCTCN2019077597-appb-100015
    以及
    Figure PCTCN2019077597-appb-100015
    as well as
    Figure PCTCN2019077597-appb-100016
    Figure PCTCN2019077597-appb-100016
  11. 根据权利要求7所述的液晶盒，其中，所述第一聚合物为聚合物挡墙，所述第二聚合物为聚合物凸点。The liquid crystal cell of claim 7, wherein the first polymer is a polymer barrier and the second polymer is a polymer bump.
  12. 根据权利要求7所述的液晶盒，其中，所述巯基化合物选自如下化合物中的至少一种：The liquid crystal cell according to claim 7, wherein the mercapto compound is selected from at least one of the following compounds:
    Figure PCTCN2019077597-appb-100017
    以及
    Figure PCTCN2019077597-appb-100017
    as well as
    Figure PCTCN2019077597-appb-100018
    Figure PCTCN2019077597-appb-100018
  13. 根据权利要求7所述的液晶盒，其中，所述液晶盒还包括液晶，所述液晶填充于所述液晶盒的所述容纳空腔中。The liquid crystal cell according to claim 7, wherein the liquid crystal cell further includes liquid crystal, and the liquid crystal is filled in the accommodating cavity of the liquid crystal cell.
  14. 一种光聚合性组合物，其中，所述光聚合性组合物包括光引发剂A1、光引发剂A2、聚合物单体B1以及聚合物单体B2，A photopolymerizable composition, wherein the photopolymerizable composition includes a photoinitiator A1, a photoinitiator A2, a polymer monomer B1, and a polymer monomer B2,
    所述光引发剂A1、所述聚合物单体B1以及所述聚合物单体B2用于在第一波长的光的照射下进行阴离子聚合以形成第一聚合物；The photoinitiator A1, the polymer monomer B1, and the polymer monomer B2 are used to perform anionic polymerization under the irradiation of light of a first wavelength to form a first polymer;
    所述光引发剂A2以及所述聚合物单体B1用于在第二波长的光的照射下进行自由基聚合物以形成第二聚合物；The photoinitiator A2 and the polymer monomer B1 are used to perform a radical polymer under the irradiation of light of a second wavelength to form a second polymer;
    所述光引发剂A1为阴离子光引发剂，所述光引发剂A2为自由基聚合光引发剂，所述聚合物单体B1为丙烯酸酯、丙烯酸酯衍生物、甲基丙烯酸酯、甲基丙烯酸酯衍生物、环氧树脂以及苯乙烯中的至少一种，所述聚合物单体B2为巯基化合物。The photoinitiator A1 is an anionic photoinitiator, the photoinitiator A2 is a radical polymerization photoinitiator, and the polymer monomer B1 is acrylate, acrylate derivative, methacrylate, methacrylic acid At least one of an ester derivative, an epoxy resin, and styrene, and the polymer monomer B2 is a mercapto compound.
  15. 根据权利要求14所述的光聚合性组合物，其中，所述第一波长为400纳米-500纳米，所述第二波长为280纳米-370纳米。The photopolymerizable composition according to claim 14, wherein the first wavelength is 400 nm-500 nm, and the second wavelength is 280 nm-370 nm.
  16. 根据权利要求15所述的光聚合性组合物，其中，所述光引发剂A1选自如下化合物中的至少一种：The photopolymerizable composition according to claim 15, wherein the photoinitiator A1 is selected from at least one of the following compounds:
    Figure PCTCN2019077597-appb-100019
    Figure PCTCN2019077597-appb-100019
    Figure PCTCN2019077597-appb-100020
    以及
    Figure PCTCN2019077597-appb-100020
    as well as
    Figure PCTCN2019077597-appb-100021
    Figure PCTCN2019077597-appb-100021
    ；所述R1、R2各自独立地表示H、烃基或取代的烃基，所述R3表示烃基或取代的烃基。; The R1, R2 each independently represent H, a hydrocarbon group or a substituted hydrocarbon group, the R3 represents a hydrocarbon group or a substituted hydrocarbon group.
  17. 根据权利要求15所述的光聚合性组合物，其中，所述光引发剂A2选自如下化合物中的至少一种：The photopolymerizable composition according to claim 15, wherein the photoinitiator A2 is selected from at least one of the following compounds:
    Figure PCTCN2019077597-appb-100022
    Figure PCTCN2019077597-appb-100022
    Figure PCTCN2019077597-appb-100023
    Figure PCTCN2019077597-appb-100023
    Figure PCTCN2019077597-appb-100024
    以及
    Figure PCTCN2019077597-appb-100024
    as well as
    Figure PCTCN2019077597-appb-100025
    Figure PCTCN2019077597-appb-100025
  18. 根据权利要求14所述的光聚合性组合物，其中，所述巯基化合物选自如下化合物中的至少一种：The photopolymerizable composition according to claim 14, wherein the mercapto compound is selected from at least one of the following compounds:
    Figure PCTCN2019077597-appb-100026
    以及
    Figure PCTCN2019077597-appb-100026
    as well as
    Figure PCTCN2019077597-appb-100027
    Figure PCTCN2019077597-appb-100027
PCT/CN2019/077597 2018-12-21 2019-03-11 Liquid crystal cell, manufacturing method thereof, and photopolymerizable composition WO2020124801A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201811573535.2A CN109651543B (en) 2018-12-21 2018-12-21 Liquid crystal cell, method for producing same, and photopolymerizable composition
CN201811573535.2 2018-12-21

Publications (1)

Publication Number Publication Date
WO2020124801A1 true WO2020124801A1 (en) 2020-06-25

Family

ID=66115855

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/077597 WO2020124801A1 (en) 2018-12-21 2019-03-11 Liquid crystal cell, manufacturing method thereof, and photopolymerizable composition

Country Status (2)

Country Link
CN (1) CN109651543B (en)
WO (1) WO2020124801A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109976020B (en) * 2019-04-24 2020-08-11 深圳市华星光电半导体显示技术有限公司 Preparation method of flexible liquid crystal display panel
CN111983866A (en) * 2019-05-24 2020-11-24 京东方科技集团股份有限公司 Light modulation glass and preparation method thereof
CN110806662B (en) * 2019-10-28 2023-03-17 武汉华星光电技术有限公司 Display panel and manufacturing method thereof
US11422411B2 (en) 2020-03-10 2022-08-23 Tcl China Star Optoelectronics Technology Co., Ltd. Liquid crystal material, liquid crystal display panel, and manufacturing method thereof
CN111258122B (en) * 2020-03-10 2021-11-02 Tcl华星光电技术有限公司 Liquid crystal material, manufacturing method of liquid crystal display panel and liquid crystal display panel

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101928570A (en) * 2010-05-19 2010-12-29 江苏和成化学材料有限公司 Composition for preparing polymer dispersed liquid crystal
CN103034048A (en) * 2011-09-29 2013-04-10 中芯国际集成电路制造(北京)有限公司 Photoetching method
CN104109243A (en) * 2014-07-04 2014-10-22 深圳职业技术学院 Synthetic method for optical resin
WO2018039331A1 (en) * 2016-08-23 2018-03-01 The Regents Of The University Of Colorado, A Body Corporate Network polymers and methods of making and using same
CN108398821A (en) * 2018-03-22 2018-08-14 深圳市华星光电技术有限公司 The production method of flexible liquid crystal panel
CN108957864A (en) * 2018-08-01 2018-12-07 深圳市华星光电半导体显示技术有限公司 A kind of preparation method of mask plate and flexible liquid crystal panel

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004075934A (en) * 2002-08-21 2004-03-11 Shin Etsu Chem Co Ltd Photo-curable type resin composition
TWI406086B (en) * 2004-03-22 2013-08-21 3D Systems Inc Photocurable compositions
CN106632772B (en) * 2016-12-05 2022-01-07 北京大学 Method for preparing polymer dispersed liquid crystal film based on vinyl ether-mercaptan ultraviolet curing system
CN107861281A (en) * 2017-12-08 2018-03-30 深圳市华星光电技术有限公司 A kind of flexible liquid crystal panel
CN107942567B (en) * 2017-12-29 2020-09-04 深圳市华星光电技术有限公司 Display panel, display, manufacturing method and liquid crystal medium mixture

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101928570A (en) * 2010-05-19 2010-12-29 江苏和成化学材料有限公司 Composition for preparing polymer dispersed liquid crystal
CN103034048A (en) * 2011-09-29 2013-04-10 中芯国际集成电路制造(北京)有限公司 Photoetching method
CN104109243A (en) * 2014-07-04 2014-10-22 深圳职业技术学院 Synthetic method for optical resin
WO2018039331A1 (en) * 2016-08-23 2018-03-01 The Regents Of The University Of Colorado, A Body Corporate Network polymers and methods of making and using same
CN108398821A (en) * 2018-03-22 2018-08-14 深圳市华星光电技术有限公司 The production method of flexible liquid crystal panel
CN108957864A (en) * 2018-08-01 2018-12-07 深圳市华星光电半导体显示技术有限公司 A kind of preparation method of mask plate and flexible liquid crystal panel

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
ZHANG, XINPENG ET AL.: "Implementation of Two Distinct Wavelengths to Induce Multistage Polymerization in Shape Memory Materials and Nanoimprint Lithography", POLYMER, vol. 156, 4 October 2018 (2018-10-04), pages 162 - 168, XP085530673, DOI: 20190911173515X *
ZHANG, XINPENG ET AL.: "Wavelength-Selective Sequential Polymer Network Formation Controlled with a Two-Color Responsive Initiation System", MACROMOLECULES, vol. 50, 17 July 2017 (2017-07-17), pages 5652 - 5660, XP055715508 *

Also Published As

Publication number Publication date
CN109651543A (en) 2019-04-19
CN109651543B (en) 2020-04-10

Similar Documents

Publication Publication Date Title
WO2020124801A1 (en) Liquid crystal cell, manufacturing method thereof, and photopolymerizable composition
EP2829584B1 (en) Frame sealing glue composition, method for preventing liquid crystal pollution, liquid crystal panel and display device
CN101934267B (en) Preparation method of self-supporting colloid photon crystal film
TWI333109B (en) Liquid crystal display device and method of producing the same
TWI395012B (en) Liquid crystal display panel and method for manufacturing the same
CN107632465B (en) Liquid crystal display panel and preparation method thereof
WO2017193450A1 (en) Manufacturing method for psva liquid crystal panel
CN105087021B (en) A kind of preparation method of liquid crystal vertical-tropism agent, liquid crystal display cells and liquid crystal display cells
WO2021174652A1 (en) Bendable liquid crystal display panel and manufacturing method therefor
TW201005394A (en) Liquid crystal display panel and fabricating method thereof
KR20120011796A (en) Composition for liquid crystal alignment layer and liquid crystal alignment layer
CN103748507A (en) Method for manufacturing liquid crystal display device
JP3508918B2 (en) Method for manufacturing liquid crystal alignment film and liquid crystal display device
WO2018028018A1 (en) Liquid crystal medium mixture and liquid crystal display panel
JP5992047B2 (en) Method for producing oriented film
JP2009300844A (en) Method for manufacturing liquid crystal display panel
US9557609B2 (en) Method for manufacturing polymer dispersed liquid crystal (PDLC) panel
CN109633992A (en) Display panel and manufacturing method thereof
WO2019200646A1 (en) Liquid crystal medium mixture, liquid crystal display panel, and preparation method for liquid crystal display panel
US11256143B2 (en) Liquid crystal display panel and manufacturing method thereof
CN114063335A (en) Preparation method of trans-polymer honeycomb-net liquid crystal display and display panel
CN106893501A (en) Single-component low temperature light-cured acrylate adhesive and preparation method thereof
TWI355546B (en) Thermocuring sealant
CN109976020B (en) Preparation method of flexible liquid crystal display panel
JPS6141129A (en) Method for producing electrochromic apparatus

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19899420

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19899420

Country of ref document: EP

Kind code of ref document: A1