WO2014146326A1 - 液晶面板、显示装置以及液晶面板的制造方法 - Google Patents

液晶面板、显示装置以及液晶面板的制造方法 Download PDF

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Publication number
WO2014146326A1
WO2014146326A1 PCT/CN2013/074964 CN2013074964W WO2014146326A1 WO 2014146326 A1 WO2014146326 A1 WO 2014146326A1 CN 2013074964 W CN2013074964 W CN 2013074964W WO 2014146326 A1 WO2014146326 A1 WO 2014146326A1
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Prior art keywords
liquid crystal
frequency
crystal panel
dual
color filter
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PCT/CN2013/074964
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English (en)
French (fr)
Inventor
郭仁炜
Original Assignee
京东方科技集团股份有限公司
北京京东方光电科技有限公司
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Application filed by 京东方科技集团股份有限公司, 北京京东方光电科技有限公司 filed Critical 京东方科技集团股份有限公司
Priority to US14/366,440 priority Critical patent/US9588391B2/en
Publication of WO2014146326A1 publication Critical patent/WO2014146326A1/zh

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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/06—Non-steroidal liquid crystal compounds
    • C09K19/08—Non-steroidal liquid crystal compounds containing at least two non-condensed rings
    • C09K19/10—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings
    • C09K19/20—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings linked by a chain containing carbon and oxygen atoms as chain links, e.g. esters or ethers
    • C09K19/2007—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings linked by a chain containing carbon and oxygen atoms as chain links, e.g. esters or ethers the chain containing -COO- or -OCO- groups
    • 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
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362—Active matrix addressed cells
    • G02F1/1368—Active matrix addressed cells in which the switching element is a three-electrode device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • B32B37/1018—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure using only vacuum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/24—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer not being coherent before laminating, e.g. made up from granular material sprinkled onto a substrate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0008—Electrical discharge treatment, e.g. corona, plasma treatment; wave energy or particle radiation
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/06—Non-steroidal liquid crystal compounds
    • C09K19/08—Non-steroidal liquid crystal compounds containing at least two non-condensed rings
    • C09K19/30—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing saturated or unsaturated non-aromatic rings, e.g. cyclohexane rings
    • C09K19/3001—Cyclohexane rings
    • C09K19/3066—Cyclohexane rings in which the rings are linked by a chain containing carbon and oxygen atoms, e.g. esters or ethers
    • C09K19/3068—Cyclohexane rings in which the rings are linked by a chain containing carbon and oxygen atoms, e.g. esters or ethers chain containing -COO- or -OCO- groups
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/52—Liquid crystal materials characterised by components which are not liquid crystals, e.g. additives with special physical aspect: solvents, solid particles
    • C09K19/54—Additives having no specific mesophase characterised by their chemical composition
    • C09K19/56—Aligning agents
    • 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
    • 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509—Filters, e.g. light shielding masks
    • G02F1/133514—Colour filters
    • 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
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • 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
    • G02F1/1341—Filling or closing of cells
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/24—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer not being coherent before laminating, e.g. made up from granular material sprinkled onto a substrate
    • B32B2037/243—Coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2457/00—Electrical equipment
    • B32B2457/20—Displays, e.g. liquid crystal displays, plasma displays
    • B32B2457/202—LCD, i.e. liquid crystal displays
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K2019/0444—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit characterized by a linking chain between rings or ring systems, a bridging chain between extensive mesogenic moieties or an end chain group
    • C09K2019/0448—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit characterized by a linking chain between rings or ring systems, a bridging chain between extensive mesogenic moieties or an end chain group the end chain group being a polymerizable end group, e.g. -Sp-P or acrylate
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/06—Non-steroidal liquid crystal compounds
    • C09K19/08—Non-steroidal liquid crystal compounds containing at least two non-condensed rings
    • C09K19/10—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings
    • C09K19/20—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings linked by a chain containing carbon and oxygen atoms as chain links, e.g. esters or ethers
    • C09K19/2007—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings linked by a chain containing carbon and oxygen atoms as chain links, e.g. esters or ethers the chain containing -COO- or -OCO- groups
    • C09K2019/2078—Ph-COO-Ph-COO-Ph
    • 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
    • G02F1/133354—Arrangements for aligning or assembling substrates
    • 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
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    • 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
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    • 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
    • G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
    • G02F1/13775—Polymer-stabilized liquid crystal layers

Definitions

  • Liquid crystal panel display device, and manufacturing method of liquid crystal panel
  • Embodiments of the present invention relate to a liquid crystal panel, a display device, and a method of manufacturing a liquid crystal panel. Background technique
  • TFT-LCD Thin Film Transistor Liquid Crystal Display
  • TN Twisted Nematic
  • VA Vertical Alignment
  • IPS In-Plane Switching
  • ADvanced Super Dimension Switch AD-SDS or ADS
  • the liquid crystal working efficiency is improved and the light transmission efficiency is increased.
  • Advanced super-dimensional field conversion technology improves the picture quality of TFT-LCDs with high resolution, high transmittance, low power consumption, wide viewing angle, high aperture ratio, low chromatic aberration, and no squeeze water ripple ( push Mura ) Etc.
  • the liquid crystal can be classified into a nematic liquid crystal, a smectic liquid crystal, and a cholesteric liquid crystal.
  • nematic liquid crystal can be classified into a positive nematic liquid crystal, a negative nematic liquid crystal, and a dual frequency liquid crystal.
  • the dielectric constant ( ⁇ ) of the liquid crystal is greater than 0, and the liquid crystal is positive; when the electric absorption group is at one end of the short axis of the rod-like liquid crystal molecule, ⁇ is less than 0, and the liquid crystal Negative.
  • Positive nematic liquid crystals are mostly used in display modes such as TN, ADS, and IPS, and negative nematic liquid crystals are used in modes such as VA.
  • ⁇ is greater than 0, and the liquid crystal is dielectric positive; under the action of high-frequency electric field, ⁇ is less than 0, and the liquid crystal is dielectric negative. Since the dual-frequency liquid crystal exhibits different electrical properties as the electric field frequency changes, the arrangement of the dual-frequency liquid crystal molecules may be abnormal, so it is difficult to apply to the liquid crystal display. Summary of the invention
  • An embodiment of the present invention provides a liquid crystal panel including: an array substrate and a color filter substrate, and a liquid crystal layer disposed between the array substrate and the color filter substrate, wherein the liquid crystal layer includes A dual-frequency liquid crystal and a polymer network anchoring the dual-frequency liquid crystal, wherein the polymer network is formed by polymerization of a liquid crystal polymerizable ultraviolet polymerizable monomer.
  • Another embodiment of the present invention provides a display device including the above liquid crystal panel.
  • Another embodiment of the present invention provides a method for fabricating a liquid crystal panel, comprising: a dual-frequency liquid crystal having a mass percentage of 90% to 98%, and a liquid polymerizable ultraviolet polymerizable monomer having a mass percentage of 1 to 9%.
  • a body, and a photoinitiator having a mass percentage of 0.1% to 1% is mixed in the dark to form a mixture; the mixture is defoamed; the defoamed mixture is dropped onto the array substrate, and the sealant is coated Forming a liquid crystal cell on the color filter substrate, and performing vacuum chamber on the array substrate and the color filter substrate; irradiating the liquid crystal cell with ultraviolet light to make the liquid crystal polymerizable ultraviolet polymerizable monomer Polymerization occurs to form a polymer network; and the liquid crystal cell irradiated with ultraviolet light is subjected to heat of the mouth.
  • FIG. 1 is a schematic structural view of a liquid crystal panel of an ADS mode in an unpowered state according to an embodiment of the present invention
  • FIG. 2 is a schematic diagram showing the structure of an ADS mode liquid crystal panel in an energized state according to an embodiment of the present invention
  • FIG. 3 is a polarized light microscope diagram of a liquid crystal layer of an ADS mode liquid crystal panel according to an embodiment of the present invention
  • Fig. 4 is a graph showing the relationship between the voltage and the transmittance of the liquid crystal panel of the ADS mode according to the embodiment of the present invention.
  • Embodiments of the present invention provide a liquid crystal panel in which a dual-frequency liquid crystal is applied to a liquid crystal display by controlling the arrangement of dual-frequency liquid crystal molecules, thereby optimizing display of the liquid crystal panel.
  • Embodiments of the present invention also provide a method of manufacturing the above liquid crystal panel and a display device including the above liquid crystal panel.
  • the arrangement of the dual-frequency liquid crystal molecules can be induced, thereby applying the dual-frequency liquid crystal to In the liquid crystal display, the display of the liquid crystal panel is optimized.
  • FIG. 1 is a schematic structural view of a liquid crystal panel of an ADS mode in an unpowered state according to an embodiment of the present invention.
  • a liquid crystal panel provided by an embodiment of the present invention will be described below with reference to FIG.
  • the liquid crystal panel provided by the embodiment of the present invention may include an array substrate 10 and a color filter substrate 1 , and a liquid crystal layer disposed between the array substrate 10 and the color filter substrate 1 .
  • the polymer network 4 includes a dual-frequency liquid crystal 3 and an anchor network of a dual-frequency liquid crystal 3, wherein the polymer network 4 is formed by polymerization of a liquid crystal polymerizable ultraviolet polymerizable monomer.
  • the polymer network formed by the polymerization reaction of the ultraviolet polymerizable monomer having liquid crystallinity anchors the dual-frequency liquid crystal molecules. Since the polymer network having liquid crystal properties can interact with the dual-frequency liquid crystal by the interaction between molecules, the dual-frequency liquid crystal molecules can be arranged in a parallel orientation structure, and the dual-frequency liquid crystal molecules are defined in the up, down, left and right directions. The sliding, thus making the dual-frequency liquid crystal can be applied to the liquid crystal display.
  • the dual-frequency liquid crystal can exhibit dielectric polarity under a low-frequency electric field and the liquid crystal display is usually performed under a low-frequency electric field
  • the dual-frequency liquid crystal can be applied to the TN mode, the IPS mode, or the ADS mode under a low-frequency electric field.
  • a liquid crystal panel using a positive liquid crystal for example, a dual-frequency liquid crystal can be applied to an ADS mode liquid crystal panel.
  • the ADS mode liquid crystal panel the long-axis of the dual-frequency liquid crystal molecules is aligned with the tangential direction of the electric field line. .
  • a high-frequency electric field can be applied.
  • the dual-frequency liquid crystal exhibits a dielectric negative, and the long-axis of the dual-frequency liquid crystal molecules is aligned perpendicular to the tangential direction of the electric field lines, which helps The dual frequency liquid crystal molecules restore the original parallel oriented structure. Therefore, in the liquid crystal panel provided by the embodiment of the present invention, the arrangement of the dual-frequency liquid crystal molecules can be controlled by changing the frequency of the external electric field, thereby enabling controllable operation of the dual-frequency liquid crystal molecules in the liquid crystal panel, thereby optimizing the liquid crystal panel. Display.
  • the dual-frequency liquid crystal is anchored in the polymer network, after applying the low-frequency electric field, the dual-frequency liquid crystal molecules can be rapidly rotated to a desired angle by the electric field, thereby improving the response of the dual-frequency liquid crystal molecules.
  • the speed reduces the reaction time of the display device.
  • the frequency f of the low frequency electric field is greater than 100 Hz and less than 2000 Hz (ie, 100 Hz ⁇ f ⁇ 2000 Hz), and the frequency f of the high frequency electric field is greater than or equal to 2000 Hz and less than or equal to 30,000 Hz (ie, 2000 Hz ⁇ f ⁇ 30000Hz ).
  • the present invention there may be various ultraviolet polymerizable monomers having liquid crystal properties, which can form a polymer network under irradiation of ultraviolet light, for example, a structure in which a molecular terminal is a carbon-carbon double bond, and The monomer needs to have liquid crystallinity so that it can be better dissolved in the liquid crystal molecules.
  • the monomer having liquid crystallinity can be the same as the liquid crystal molecule, and the liquid crystal monomer can exhibit different orientations under the action of different alignment agents.
  • the ultraviolet polymerizable monomer having liquid crystallinity forms a polymer network, the arrangement of the internal dual-frequency liquid crystal molecules can be fixed by the anchoring force.
  • the chemical structure can be employed as:
  • n 3, 4, 5, 6, 7, or 8.
  • such a monomer can be modified in various structures as long as it does not affect its liquid crystallinity and the characteristics of forming a polymer network.
  • the dual-frequency liquid crystal may be a mixed liquid crystal formed by mixing a plurality of fluorine-containing double-frequency liquid crystal molecules.
  • the distribution of the long axis of the liquid crystal molecules is a combination of a benzene ring, a cyclohexane, and an ester group (or an ether bond), and the benzene ring in the middle of the molecule may have a hydrogen-absorbing group such as a fluorine functional group and/or a chlorine functional group.
  • the liquid crystal molecule of this structure has an electron-withdrawing group on the short axis, thereby exhibiting dual-frequency liquid crystal characteristics.
  • a fluorine-based double-frequency liquid crystal molecule may be employed.
  • a dual-frequency liquid crystal molecule by mixing a plurality of fluorine-containing groups can be used in the liquid crystal layer of the liquid crystal panel provided by the embodiment of the present invention. The resulting mixed liquid crystal.
  • mixing a fluorine-containing double-frequency liquid crystal molecule in a liquid crystal may include:
  • n 3, 4, 5, 6, 7, or 8, but embodiments of the present invention are not limited thereto.
  • n may be 3, 4, 5, 6, 7, or 8, in the above eight fluorine-containing groups.
  • the value of n in each of the fluorine-containing double-frequency liquid crystal molecules may be the same or different, and embodiments of the present invention are not limited thereto.
  • the values of n in the two fluorine-containing double-frequency liquid crystal molecules forming the mixed liquid crystal are the same.
  • the above eight fluorine-containing double-frequency liquid crystal molecules have a display temperature ranging from -30 °C to 80 °C.
  • the mass percentage of each of the fluorine-containing double-frequency liquid crystal molecules in the mixed liquid crystal ranges from 5% to 15%. In the embodiment of the present invention, for example, the mass percentage of each of the fluorine-containing double-frequency liquid crystal molecules in the mixed liquid crystal is 12.5%.
  • the mass percentage of each of the fluorine-containing double-frequency liquid crystal molecules in the mixed liquid crystal may range from 5% to 15%, and the mass percentage of each of the fluorine-containing double-frequency liquid crystal molecules may be The same or different, the embodiment of the present invention is not limited thereto.
  • the mass percentage of the above two fluorine-containing double-frequency liquid crystal molecules is 15%, respectively. 8%, 10%, 15%, 13%, 14%, 12% and 13%.
  • the mass percentage of each of the above eight fluorine-containing double-frequency liquid crystal molecules in the mixed liquid crystal is 12.5%, that is, has the same mass percentage.
  • the mixed double-frequency liquid crystal molecules have a reduced melting point and are suitable for use in liquid crystal displays.
  • the liquid crystal panel provided by the embodiment of the present invention may further include: a first parallel alignment layer 2 disposed on a side of the color filter substrate 1 facing the liquid crystal layer, and a side surface disposed on the surface of the array substrate 10 facing the liquid crystal layer The second parallel alignment layer 5 on.
  • the liquid crystal polymerizable ultraviolet polymerizable monomer and the dual-frequency liquid crystal molecule are provided.
  • the long axis directions of the molecules are aligned parallel to the substrate.
  • the liquid crystal polymerizable ultraviolet polymerizable monomer is polymerized to form a polymer network 4, and the polymer network 4 can fix the dual-frequency liquid crystal molecules by the anchoring force and still parallel to the substrate according to the molecular long axis direction.
  • the ⁇ ij so that the orientation of the dual-frequency liquid crystal molecules is normal, and the display of the liquid crystal panel is optimized.
  • the liquid crystal panel provided by the embodiment of the present invention can be applied to a TN mode, a VA mode, an IPS mode, or an ADS mode.
  • the liquid crystal panel provided by the embodiment of the present invention can be applied to the ADS mode.
  • the liquid crystal panel of the ADS mode provided by the embodiment of the present invention may further include: a pixel electrode 8 formed on the transparent substrate 9; an insulating layer 7 formed on the pixel electrode 8; A slit-shaped common electrode 6 on the insulating layer 7.
  • FIG. 1 in the unpowered state, after the action of the parallel alignment layer in the liquid crystal panel, the long axes of the dual-frequency liquid crystal molecules are aligned parallel to the substrate; in addition, since the ultraviolet polymerizable monomer has liquid crystallinity, The molecules of the monomer are also arranged parallel to the substrate. After the photoinitiator is initiated, the ultraviolet polymerizable monomer generates a polymer network, and the polymer network can fix the alignment direction of the long axis of the liquid crystal molecules by the anchoring force.
  • FIG. 1 in the unpowered state, after the action of the parallel alignment layer in the liquid crystal panel, the long axes of the dual-frequency liquid crystal molecules are aligned parallel to the substrate; in addition, since the ultraviolet polymerizable monomer has liquid crystallinity, The molecules of the monomer are also arranged parallel to the substrate. After the photoinitiator is initiated, the ultraviolet polymerizable monomer generates a polymer network, and the polymer network can fix the alignment direction of the long axi
  • FIG. 2 is a schematic structural diagram of a liquid crystal panel of an ADS mode according to an embodiment of the present invention in an energized state, wherein a dual-frequency liquid crystal molecule exhibits dielectric integrity by using a low frequency electric field.
  • a dual-frequency liquid crystal molecule exhibits dielectric integrity by using a low frequency electric field.
  • an electric field is generated at the edge of the common electrode 6, and the double-frequency liquid crystal molecules are aligned in the tangential direction of the electric field lines, and the double-frequency liquid crystal molecules are rotated.
  • the electric field since the polymer network has an anchoring effect on the liquid crystal molecules, the liquid crystal molecules return to the state before the energization under the action of the polymer network.
  • Embodiments of the present invention also provide a display device including any one of the above liquid crystal panels.
  • the display device may be: any product or component having a display function such as a liquid crystal panel, an electronic paper, an OLED panel, a liquid crystal television, a liquid crystal display, a digital photo frame, a mobile phone, a tablet computer, or the like.
  • the display of the display device can be optimized by employing the above liquid crystal panel in the display device.
  • Embodiments of the present invention also provide a method of fabricating a liquid crystal panel, including:
  • a dual-frequency liquid crystal having a mass percentage of 90% to 98%, a UV polymerizable monomer having a liquid crystal content of 1 to 9% by mass, and a photoinitiator having a mass percentage of 0.1% to 1% are mixed in the dark Forming a mixture;
  • the defoamed mixture is dropped onto the array substrate, the sealant is applied to the color filter substrate, and the liquid crystal cell is formed by vacuum-aligning the array substrate and the color filter substrate;
  • the liquid crystal cell is irradiated with ultraviolet light to polymerize the ultraviolet polymerizable monomer having liquid crystallinity to form a polymer network;
  • the liquid crystal cell irradiated with ultraviolet light is heated.
  • the ultraviolet polymerizable monomer having liquid crystallinity in the liquid crystal layer is polymerized to form a polymer network capable of anchoring the dual-frequency liquid crystal molecules, the arrangement of the dual-frequency liquid crystal molecules can be unified. Therefore, the dual-frequency liquid crystal can be applied to the liquid crystal panel, and the display of the liquid crystal panel is optimized by the dual-frequency liquid crystal display by the low-frequency electric field and the processing of the dual-frequency liquid crystal by the high-frequency electric field.
  • the dual-frequency liquid crystal may be a mixed crystal formed by mixing fluorine-containing double-frequency liquid crystal molecules.
  • the fluorine-based double-frequency liquid crystal molecules may be selected from the liquid crystal layer of the liquid crystal panel.
  • the photoinitiator may be selected from commonly used light.
  • An initiator such as ⁇ , ⁇ -diethoxyacetophenone, ⁇ -hydroxyalkylphenone or ⁇ -aminoalkylbenzophenone.
  • the photoinitiator is mixed in the dark to form a mixture, for example, it can be mixed by the following mass ratio: a dual-frequency liquid crystal having a mass percentage of 90%, and a liquid crystal violet having a mass percentage of 9%
  • the outer polymerizable monomer and the photoinitiator having a mass percentage of 1% are mixed in a light-proof manner to form a mixture; or, a double-frequency liquid crystal having a mass percentage of 95%, a mass percentage of 4.9% of a liquid crystal polymerizable ultraviolet polymerizable a monomer, and a photoinitiator having a mass percentage of 0.1%, are mixed in a light-proof manner to form a mixture; or, a mass percentage of 98% of a dual-frequency liquid crystal, a mass percentage of
  • the intensity of ultraviolet light irradiation is 1 to 80 mW/cm 2
  • the irradiation time is 5 to 200 minutes.
  • the mixture is defoamed, and the defoaming time is 1 to 3 hours.
  • the method further includes: performing parallel alignment treatment on the array substrate and the color filter substrate, respectively. .
  • Step 101 mixing eight kinds of fluorine-containing double-frequency liquid crystal molecules of the same mass to form a mixed liquid crystal
  • Step 102 mixing a mixed liquid crystal, a liquid crystal polymerizable ultraviolet polymerizable monomer and a photoinitiator to form a mixture, wherein: the mass percentage of the mixed liquid crystal is 90 to 98%, and the mass percentage of the ultraviolet polymerizable monomer having liquid crystal property is 1 to 9%, the mass percentage of the photoinitiator is 0.1 to 1%; Step 103, the mixture is placed in a defoamer for defoaming treatment, and the defoaming time is 1 to 3 hours;
  • Step 104 dropping the defoamed mixture onto the array substrate, applying the sealant to the color filter substrate, and forming the liquid crystal cell by aligning the array substrate and the color filter substrate under vacuum;
  • step 105 Irradiating the liquid crystal cell with ultraviolet light to polymerize the ultraviolet polymerizable monomer having liquid crystallinity to form a polymer network, and also polymerizing the ultraviolet polymerizable monomer in the sealant;
  • Step 106 Heating the liquid crystal cell irradiated with ultraviolet light to polymerize the thermal polymerization monomer in the sealant, thereby bonding the array substrate and the color filter substrate.
  • the polymer network formed by polymerization of the ultraviolet polymerizable monomer having liquid crystallinity can anchor the arrangement of the dual-frequency liquid crystal molecules, thereby making the dual-frequency liquid crystal applicable.
  • the LCD panel It has been found that the liquid crystal panel thus prepared has a display temperature ranging from -30 ° C to 80 ° C, so that the prepared liquid crystal panel can be used for display at a normal temperature.
  • FIG. 3 is a polarizing microscope diagram of a liquid crystal layer of an ADS mode liquid crystal panel according to an embodiment of the present invention, and a visible ridge texture can be seen, which is unique to nematic liquid crystal.
  • the liquid crystal layer has such a schlieren texture, indicating that the liquid crystal layer can be applied to liquid crystal display.
  • 4 is a graph showing a relationship between a voltage and a transmittance of an ADS mode liquid crystal panel according to an embodiment of the present invention, which is a voltage and an ADS mode liquid crystal panel obtained by detecting a liquid crystal panel by a liquid crystal integrated tester. The graph of the over-rate, which is measured at a low frequency state.
  • the maximum transmittance of the liquid crystal panel is close to 12%, and the driving voltage at this time is close to 16V; In the process, the transmittance of the liquid crystal panel is small, and as the driving voltage increases, the transmittance of the liquid crystal panel also increases.
  • the transmittance of the liquid crystal panel After passing the peak, the transmittance of the liquid crystal panel is slightly reduced, and the power is removed. After the condition, the transmittance of the liquid crystal panel is also close to zero.
  • the voltage and transmittance change process conforms to the voltage and transmittance relationship of the liquid crystal panel of the ADS mode, and is also described by the method provided by the embodiment of the present invention.
  • the LCD panel can be applied to the ADS mode.

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Abstract

本发明的实施例提供了一种液晶面板、显示装置以及液晶面板的制造方法。该液晶面板包括对盒的阵列基板和彩膜基板，以及设置于所述阵列基板和所述彩膜基板之间的液晶层，所述液晶层包括：双频液晶和锚定所述双频液晶的高分子网络，其中，所述高分子网络由具有液晶性的紫外可聚合单体进行聚合反应而形成。

Description

液晶面板、 显示装置以及液晶面板的制造方法 技术领域
本发明的实施例涉及液晶面板、 显示装置以及液晶面板的制造方法。 背景技术
在平板显示装置中， 薄膜晶体管液晶显示器（Thin Film Transistor Liquid Crystal Display, TFT-LCD )具有体积小、 功耗低、 制造成本相对较低和辐射 少等优点，从而在当前的平板显示器市场中占据了主导地位。目前， TFT-LCD 的显示模式主要有扭曲向列（ Twisted Nematic, TN )模式、垂直取向（ Vertical Alignment, VA )模式、 平面方向转换 ( In-Plane Switching, IPS )模式和高 级超维场转换（ ADvanced Super Dimension Switch, AD-SDS或 ADS )模式 等。
基于 ADS模式的显示器通过同一平面内公共电极的边缘产生的电场以
而提高了液晶的工作效率并增大了透光效率。 高级超维场转换技术可以提高 TFT-LCD的画面品质， 使其具有高分辨率、 高透过率、 低功耗、 宽视角、 高 开口率、 低色差、 无挤压水波纹（ push Mura )等优点。
按照分子排列的不同， 液晶可以分为向列相液晶、 近晶相液晶和胆甾相 液晶等。 目前， 在 TFT-LCD 中向列相液晶应用较多， 其他几种液晶应用较 少。 向列相液晶可以分为正性向列相液晶、 负性向列相液晶和双频液晶。 当 吸电基团在棒状液晶分子长轴的一端时， 液晶的介电常数 ( Δε ) 大于 0, 液 晶呈正性； 当吸电基团在棒状液晶分子短轴的一端时， Δε小于 0, 液晶呈负 性。 正性向列相液晶多用于 TN、 ADS、 IPS等显示模式中， 负性向列相液晶 则用在 VA等模式中。 对于双频液晶， 其在低频电场的作用下， Δε大于 0, 液晶呈介电正性； 其在高频电场的作用下， Δε小于 0, 液晶呈介电负性。 由 于双频液晶随电场频率的变化会呈现不同的电性， 从而使双频液晶分子的排 列可能会出现异常， 因此难以应用于液晶显示中。 发明内容
本发明的一个实施例提供了一种液晶面板， 其包括： 对盒的阵列基板和 彩膜基板， 以及设置于所述阵列基板和所述彩膜基板之间的液晶层， 所述液 晶层包括： 双频液晶和锚定所述双频液晶的高分子网络， 其中， 所述高分子 网络由具有液晶性的紫外可聚合单体进行聚合反应而形成。
本发明的另一个实施例提供了一种显示装置， 其包括上述液晶面板。 本发明的另一个实施例提供了一种液晶面板的制造方法， 其包括： 将质 量百分比为 90%~98%的双频液晶、 质量百分比为 1~9%的具有液晶性的紫外 可聚合单体、以及质量百分比为 0.1%~1%的光引发剂进行避光混合而形成混 合物； 将所述混合物进行脱泡； 将脱泡后的混合物滴加到阵列基板上， 将封 框胶涂覆到彩膜基板上， 并通过对所述阵列基板和所述彩膜基板进行真空对 盒而形成液晶盒； 将所述液晶盒进行紫外光照射， 使所述具有液晶性的紫外 可聚合单体发生聚合而形成高分子网络； 以及将紫外光照射后的液晶盒进行 力口热。 附图说明
为了更清楚地说明本发明实施例的技术方案， 下面将对实施例的附图作 筒单地介绍，显而易见地，下面描述中的附图仅仅涉及本发明的一些实施例， 而非对本发明的限制。
图 1为本发明的实施例提供的 ADS模式的液晶面板在未通电状态下的 结构示意图；
图 2为本发明的实施例提供的 ADS模式的液晶面板在通电状态下的结 构示意图；
图 3为本发明的实施例提供的 ADS模式的液晶面板的液晶层的偏光显 镜图； 以及
图 4为本发明的实施例提供的 ADS模式的液晶面板的电压和透过率的 关系曲线图。
附图标记：
1-彩膜基板 2-第一平行取向层 3-双频液晶 4-高分子网络
5-第二平行取向层 6-公共电极 7-绝缘层 8-像素电极 9-透明基板 10-阵列基板 具体实施方式
为使本发明实施例的目的、 技术方案和优点更加清楚， 下面将结合本发 明实施例的附图，对本发明实施例的技术方案进行清楚、 完整地描述。显然， 所描述的实施例是本发明的一部分实施例， 而不是全部的实施例。 基于所描 述的本发明的实施例， 本领域普通技术人员在无需创造性劳动的前提下所获 得的所有其他实施例， 都属于本发明保护的范围。
本发明的实施例提供了一种液晶面板， 其中通过控制双频液晶分子的排 列而将双频液晶应用于液晶显示中， 进而优化液晶面板的显示。 本发明的实 施例还提供了上述液晶面板的制造方法以及包括上述液晶面板的显示装置。
在本发明的实施例中， 通过在液晶层中采用具有液晶性的紫外可聚合单 体形成的高分子网络来锚定双频液晶， 可以诱导双频液晶分子排列， 从而将 双频液晶应用到液晶显示中， 进而优化了液晶面板的显示。
图 1为本发明的实施例提供的 ADS模式的液晶面板在未通电状态下的 结构示意图。 下面参照图 1描述本发明的实施例提供的液晶面板。
如图 1所示，本发明的实施例提供的液晶面板可包括对盒的阵列基板 10 和彩膜基板 1 , 以及设置于阵列基板 10和彩膜基板 1之间的液晶层， 该液晶 层可包括： 双频液晶 3和锚定双频液晶 3的高分子网络 4, 其中， 高分子网 络 4由具有液晶性的紫外可聚合单体进行聚合反应而形成。
在本发明的实施例提供的液晶面板的液晶层中， 采用由具有液晶性的紫 外可聚合单体进行聚合反应而形成的高分子网络将双频液晶分子锚定。 由于 具有液晶性的高分子网络可以与双频液晶通过分子间的作用力而相互作用， 从而使双频液晶分子能够排列成平行取向结构， 并且限定了双频液晶分子在 上下、 左右、 前后方向的滑动， 因此使得双频液晶可以应用于液晶显示中。 另一方面， 由于双频液晶可以在低频电场下呈现介电正性并且液晶显示通常 在低频电场下进行， 因此可以在低频电场下将双频液晶应用于 TN模式、 IPS 模式或 ADS模式等可以采用正性液晶的液晶面板中。 在本发明的实施例中， 例如， 可以将双频液晶应用于 ADS模式的液晶面板， 在 ADS模式的液晶面 板中， 双频液晶分子长轴随电场线（electric field line )的切线方向进行排列。 此外， 如果双频液晶分子的取向出现异常， 则可以施加高频电场， 这时双频 液晶呈现介电负性， 双频液晶分子长轴垂直于电场线的切线方向进行排列， 这有助于双频液晶分子恢复初始的平行取向结构。 因此， 在本发明的实施例 提供的液晶面板中，通过改变外部电场的频率能够控制双频液晶分子的排列， 从而能够对液晶面板内的双频液晶分子进行可控性操作， 进而优化液晶面板 的显示。 此外， 由于双频液晶被锚定在高分子网络中， 因此， 在施加低频电 场后， 双频液晶分子能够在电场的作用下快速地转动到需要的角度， 从而提 高了双频液晶分子的响应速度， 进而缩短了显示装置的反应时间。
在本发明的实施例中，低频电场的频率 f大于 100赫兹并且小于 2000赫 兹（即， 100Hz<f<2000Hz ) , 高频电场的频率 f大于等于 2000赫兹并且小于 等于 30000赫兹（即， 2000Hz < f< 30000Hz ) 。
在本发明的实施例中， 例如， 具有液晶性的紫外可聚合单体的化学结构 式为：
Figure imgf000005_0001
其中， η=3、 4、 5、 6、 7或 8。
在本发明的实施例中， 具有液晶性的紫外可聚合单体可以有多种， 其可 以在紫外光照射下形成高分子网络， 例如， 分子端位为碳碳双键的结构， 并 且这种单体需要具有液晶性， 从而可以更好地溶解于液晶分子中。 具有液晶 性的单体可以和液晶分子一样， 在不同取向剂的作用下， 液晶性的单体可以 呈现不同的取向。 当具有液晶性的紫外可聚合单体形成高分子网络后， 可以 通过锚定力的作用而固定其内部双频液晶分子的排列。 例如， 在本发明的实 施例中， 可以采用化学结构式为：
、
™ i'GH -, u― O C-O .™
、"
Figure imgf000005_0002
的分子 作为具有液晶性的紫外可聚合单体， 其中， n=3、 4、 5、 6、 7或 8。 在本发 明的实施例中， 可以对这种单体进行不同结构的改进， 只要不影响其液晶性 和形成高分子网络的特性即可。 在这种单体中， n=3 时， 该单体的化学名称 为 1,4—双 (4-(6，-丙烯酰氧基丙氧基)苯曱酰氧基) -2-曱苯； n=4时， 该单体的化 学名称为 1,4-双 (4-(6，-丙烯酰氧基丁氧基)苯曱酰氧基) -2-曱苯； n=5时， 该单 体的化学名称为 1,4-双 (4-(6，-丙烯酰氧基戊氧基)苯曱酰氧基) -2-曱苯; n=6时, 该单体的化学名称为 1,4-双 (4-(6，-丙烯酰氧基己氧基)苯曱酰氧基) -2-曱苯； n=7时， 该单体的化 1,4-双 (4-(6，-丙烯酰氧基庚氧基)苯曱酰氧基) -2- 曱苯； n=8 时， 该单体的化学名称为 1,4-双 (4-(6，-丙烯酰氧基辛氧基)苯曱酰 « -2-曱苯。
在本发明的实施例中， 例如， 双频液晶可以为通过混合多种含氟基的双 频液晶分子而形成的混合液晶。
在双频液晶的结构中， 液晶分子长轴的分布以苯环、 环己烷和酯基（或 醚键）组合，分子中间的苯环上可以具有氟官能团和 /或氯官能团等吸电基团， 这种结构的液晶分子短轴上具有吸电基团， 从而呈双频液晶特性。 在本发明 的实施例中， 例如， 可以采用含氟基的双频液晶分子。 由于单一种类的双频 液晶分子溶点较高， 不适于在液晶面板中使用， 因此在本发明的实施例提供 的液晶面板的液晶层中可以采用通过混合多种含氟基的双频液晶分子而形成 的混合液晶。
在本发明的实施例中，例如，混合液晶中含氟基的双频液晶分子可包括:
Figure imgf000006_0001
Figure imgf000006_0002
Figure imgf000006_0003
Figure imgf000006_0004
Figure imgf000007_0001
Figure imgf000007_0002
其中， n=3、 4、 5、 6、 7或 8, 但是本发明的实施例不限于此。
在本发明的实施例中，对于上述八种含氟基的双频液晶分子中的每一种， n都可以取 3、 4、 5、 6、 7或 8, 在由上述八种含氟基的双频液晶分子形成混 合液晶时，每一种含氟基的双频液晶分子中 n的取值可以相同，也可以不同， 本发明的实施例不限于此。 例如， 在本发明的实施例中， 形成混合液晶的八 种含氟基的双频液晶分子中 n的取值相同。
在本发明的实施例中， 上述八种含氟基的双频液晶分子的显示温度范围 为 -30°C-80°C。
在本发明的实施例中， 在混合液晶中每一种含氟基的双频液晶分子的质 量百分比范围为 5%~15%。 在本发明的实施例中， 例如， 在混合液晶中每一 种含氟基的双频液晶分子的质量百分比为 12.5%。
在本发明的实施例中， 在混合液晶中每一种含氟基的双频液晶分子的质 量百分比范围可以为 5%~15%, 每一种含氟基的双频液晶分子的质量百分比 可以相同， 也可以不同， 本发明的实施例不限于此。 在本发明的一些实施例 中，例如，n=4时，上述八种含氟基的双频液晶分子的质量百分比分别为 13%、 10%、 15%、 10%、 13%、 14%、 13%和 12%; n=5时， 上述八种含氟基的双 频液晶分子的质量百分比分别为 5%、 11%、 14%、 15%、 13%、 14%、 15% 和 13%; n=6时，上述八种含氟基的双频液晶分子的质量百分比分别为 15%、 8%、 10%、 15%、 13%、 14%、 12%和 13%。 在本发明的一些实施例中， 在 混合液晶中上述八种含氟基的双频液晶分子的每一种的质量百分比为 12.5%, 即具有相同的质量百分比。 混合后的双频液晶分子的溶点降低， 适 于应用于液晶显示中。
请继续参照图 1 , 本发明的实施例提供的液晶面板可还包括： 设置于彩 膜基板 1面向液晶层的侧面上的第一平行取向层 2, 以及设置于阵列基板 10 面向液晶层的侧面上的第二平行取向层 5。
在本发明的实施例中，由于分别在彩膜基板 1和阵列基板 10上形成第一 平行取向层 2和第二平行取向层 5 , 因此具有液晶性的紫外可聚合单体和双 频液晶分子的分子长轴方向都平行于基板排列。 在进行紫外光照射以后， 具 有液晶性的紫外可聚合单体发生聚合而形成高分子网络 4, 高分子网络 4通 过锚定力的作用可以固定双频液晶分子仍按照分子长轴方向平行于基板排 歹 ij , 从而使双频液晶分子取向正常， 优化了液晶面板的显示。
本发明的实施例提供的液晶面板可以应用于 TN模式、 VA模式、 IPS模 式或 ADS模式等。 例如， 本发明的实施例提供的液晶面板可以应用于 ADS 模式。 请继续参照图 1所示， 本发明的实施例提供的 ADS模式的液晶面板 可还进一步包括： 形成于透明基板 9上的像素电极 8; 形成于像素电极 8上 的绝缘层 7; 以及形成于绝缘层 7上的狭缝状的公共电极 6。
以下通过一个示例性实施例来解释本发明的实施例提供的 ADS模式的 液晶面板的显示原理。 如图 1所示， 在未通电状态下， 在液晶面板内经平行 取向层的作用后， 双频液晶分子长轴均会平行于基板排列； 另外， 由于紫外 可聚合单体具有液晶性， 因此该单体的分子也平行于基板排列， 在光引发剂 引发后， 紫外可聚合单体会生成高分子网络， 这种高分子网络通过锚定力的 作用能够固定液晶分子长轴的排列方向。 图 2为本发明的实施例提供的 ADS 模式的液晶面板在通电状态下的结构示意图， 其中通过采用低频电场， 双频 液晶分子呈现介电正性。 如图 2所示， 在通电后， 在公共电极 6的边缘产生 了电场， 双频液晶分子会按照电场线的切线方向排列， 双频液晶分子发生了 旋转。 当撤去电场后， 由于高分子网络对液晶分子具有锚定作用， 因此液晶 分子在高分子网络的作用下恢复通电前的状态。 通过电场的开态和关态的作 用， 液晶分子可以发生旋转或恢复， 从而达到液晶显示的目的。 本发明的实施例还提供了一种显示装置，其包括上述任意一种液晶面板。 在本发明的实施例中， 显示装置可以为： 液晶面板、 电子纸、 OLED面板、 液晶电视、 液晶显示器、 数码相框、 手机、 平板电脑等具有显示功能的任何 产品或部件。 通过在显示装置中采用上述液晶面板， 可以优化显示装置的显 示。
本发明的实施例还提供了一种液晶面板的制造方法， 其包括：
将质量百分比为 90%~98%的双频液晶、 质量百分比为 1~9%的具有液晶 性的紫外可聚合单体、以及质量百分比为 0.1%~1%的光引发剂进行避光混合 而形成混合物；
将混合物进行脱泡；
将脱泡后的混合物滴加到阵列基板上， 将封框胶涂覆到彩膜基板上， 并 通过将阵列基板和彩膜基板进行真空对盒而形成液晶盒；
将液晶盒进行紫外光照射， 使具有液晶性的紫外可聚合单体发生聚合而 形成高分子网络； 以及
将紫外光照射后的液晶盒进行加热。
在本发明的实施例中， 由于在液晶层中具有液晶性的紫外可聚合单体发 生聚合而形成了可以锚定双频液晶分子的高分子网络， 因此能够使双频液晶 分子的排列统一， 从而使双频液晶可应用于液晶面板中， 并且通过低频电场 使双频液晶显示以及通过高频电场对双频液晶取向的处理， 优化了液晶面板 的显示。
在本发明的实施例中， 双频液晶可以为含氟基的双频液晶分子混合而形 成的混合晶体， 例如， 含氟基的双频液晶分子可以选自前述液晶面板的液晶 层中包含的八种含氟基的双频液晶分子， 具有液晶性的紫外可聚合单体也可 以选用前述液晶面板的液晶层中的具有液晶性的紫外可聚合单体， 光引发剂 可以选自常用的光引发剂， 如 α,α-二乙氧基苯乙酮、 α-羟烷基苯酮或 α-胺烷 基苯酮。
在本发明的实施例中，将质量百分比为 90%~98%的双频液晶、质量百分 比为 1~9%的具有液晶性的紫外可聚合单体、 以及质量百分比为 0.1%~1%的 光引发剂进行避光混合而形成混合物， 例如， 其可以采用以下的质量比来混 合： 将质量百分比为 90%的双频液晶、 质量百分比为 9%的具有液晶性的紫 外可聚合单体、 以及质量百分比为 1%的光引发剂进行避光混合而形成混合 物； 或， 将质量百分比为 95%的双频液晶、质量百分比为 4.9%的具有液晶性 的紫外可聚合单体、以及质量百分比为 0.1%的光引发剂进行避光混合而形成 混合物； 或， 将质量百分比为 98%的双频液晶、 质量百分比为 1%的具有液 晶性的紫外可聚合单体、 以及质量百分比为 1%的光引发剂进行避光混合形 成混合物。
在本发明的实施例中， 例如， 紫外光照射的强度为 l~80mW/cm2, 照射 时间为 5~200分钟。
在本发明的实施例中， 例如， 将混合物进行脱泡，脱泡时间为 1~3小时。 在本发明的实施例中， 在将脱泡后的混合物滴加到阵列基板上， 将封框 胶涂覆到彩膜基板上之前可还包括： 分别对阵列基板和彩膜基板进行平行取 向处理。
以下参照示例性实施例来说明图 1 中所示的 ADS模式的液晶面板的制 造方法， 其制作工艺的流程可以包括以下步骤：
步骤 101、 将上述质量相同的八种含氟基的双频液晶分子进行混合而形 成混合液晶；
步骤 102、 将混合液晶、 具有液晶性的紫外可聚合单体和光引发剂混合 而形成混合物， 其中： 混合液晶的质量百分比为 90 ~ 98%, 具有液晶性的紫 外可聚合单体的质量百分比为 1 ~ 9%, 光引发剂的质量百分比为 0.1 ~ 1%; 步骤 103、 将混合物放置到脱泡器中进行脱泡处理， 脱泡时间为 1 ~ 3小 时；
步骤 104、 将脱泡后的混合物滴加到阵列基板上， 将封框胶涂覆到彩膜 基板上， 并通过将阵列基板和彩膜基板在真空条件下对盒而形成液晶盒； 步骤 105、 对液晶盒进行紫外光照射， 使具有液晶性的紫外可聚合单体 发生聚合而形成高分子网络， 也使封框胶中的紫外可聚合单体发生聚合； 以 及
步骤 106、 对经过紫外光照射后的液晶盒进行加热， 使封框胶中的热聚 合单体发生聚合， 从而使阵列基板和彩膜基板进行粘接。
在本发明的实施例中， 通过由具有液晶性的紫外可聚合单体发生聚合而 形成的高分子网络可以锚定双频液晶分子的排列， 从而使双频液晶可应用于 液晶面板中。 经检测， 由此制备的液晶面板的显示温度范围在 -30°C-80°C之 间， 因此制备的液晶面板可用于正常温度下的显示。 如图 3所示， 图 3为本 发明的实施例提供的 ADS模式的液晶面板的液晶层的偏光显微镜图， 可以 看到明显的紋影织构， 紋影织构是向列性液晶特有的性质， 该液晶层具有这 种紋影织构， 则说明该液晶层可以应用于液晶显示。 图 4为本发明的实施例 提供的 ADS模式的液晶面板的电压和透过率的关系曲线图， 其为通过液晶 综合测试仪对液晶面板进行检测而得到的 ADS模式的液晶面板的电压和透 过率的关系曲线图， 该曲线图在低频状态下测得， 从图 4中可以看出， 该液 晶面板的最大透过率接近 12%, 此时的驱动电压接近 16V; 此外， 在施加电 压的过程中， 开始液晶面板的透过率较小， 随着驱动电压的增加， 液晶面板 的透过率也增大， 在经过峰值后液晶面板的透过率会稍微减小， 在去掉加电 条件后， 液晶面板的透过率也接近于 0, 这样的电压与透过率的变化过程符 合 ADS模式的液晶面板的电压和透过率关系， 也说明通过本发明的实施例 提供的方法制备的液晶面板可以应用于 ADS模式。
最后应说明的是： 以上实施例仅用以说明本发明的技术方案， 而非对其 限制； 尽管参照前述实施例对本发明进行了详细的说明， 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发明各实施例技术方案的精神和范围。

Claims

权利要求书 ι、 一种液晶面板， 包括对盒的阵列基板和彩膜基板， 以及设置于所述阵 列基板和所述彩膜基板之间的液晶层， 所述液晶层包括： 双频液晶和锚定所 述双频液晶的高分子网络， 其中， 所述高分子网络由具有液晶性的紫外可聚 合单体进行聚合反应而形成。
2、如权利要求 1所述的液晶面板，其中所述具有液晶性的紫外可聚合单 体的化学结构式为：
Figure imgf000012_0001
其中， n=3、 4、 5、 6、 7或 8。
3、如权利要求 1所述的液晶面板，其中所述双频液晶为通过混合多种含 氟基的双频液晶分子而形成的混合液晶。
4、如权利要求 3所述的液晶面板，其中所述混合液晶中所述含氟基的双 频液晶分子包括：
Figure imgf000012_0002
.
厂\
C:1— ί ； ^~
\ / \
Figure imgf000012_0003
Figure imgf000012_0004
Figure imgf000012_0005
Figure imgf000013_0001
和
Figure imgf000013_0002
其中， n=3、 4、 5、 6、 7或 8。
5、如权利要求 4所述的液晶面板， 其中在所述混合液晶中，每一种含氟 基的双频液晶分子的质量百分比范围为 5%~15%。
6、如权利要求 5所述的液晶面板， 其中在所述混合液晶中，每一种含氟 基的双频液晶分子的质量百分比为 12.5%。
7、如权利要求 1至 6中任一项所述的液晶面板，还包括： 设置于所述彩 膜基板面向液晶层的侧面上的第一平行取向层， 以及设置于所述阵列基板面 向液晶层的侧面上的第二平行取向层。
8、 一种显示装置， 包括如权利要求 1至 7中任一项所述的液晶面板。
9、 一种液晶面板的制造方法， 包括：
将质量百分比为 90%~98%的双频液晶、 质量百分比为 1~9%的具有液晶 性的紫外可聚合单体、以及质量百分比为 0.1%~1%的光引发剂进行避光混合 而形成混合物；
将所述混合物进行脱泡；
将脱泡后的混合物滴加到阵列基板上， 将封框胶涂覆到彩膜基板上， 并 通过对所述阵列基板和所述彩膜基板进行真空对盒而形成液晶盒；
将所述液晶盒进行紫外光照射， 使所述具有液晶性的紫外可聚合单体发 生聚合而形成高分子网络； 以及
将紫外光照射后的液晶盒进行加热。
10、 如权利要求 9所述的液晶面板的制造方法， 其中所述紫外光照射强 度为 l~80mW/cm2, 照射时间为 5~200分钟。
11、如权利要求 9所述的液晶面板的制造方法，其中将混合物进行脱泡， 脱泡时间为 1~3小时。
12、如权利要求 9至 11中任一项所述的液晶面板的制造方法， 其中， 在 将脱泡后的混合物滴加到阵列基板上， 将封框胶涂覆到彩膜基板上之前， 还 包括： 分别对所述阵列基板和所述彩膜基板进行平行取向处理。
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