WO2020237993A1 - 显示面板及显示面板的制备方法 - Google Patents

显示面板及显示面板的制备方法 Download PDF

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Publication number
WO2020237993A1
WO2020237993A1 PCT/CN2019/113171 CN2019113171W WO2020237993A1 WO 2020237993 A1 WO2020237993 A1 WO 2020237993A1 CN 2019113171 W CN2019113171 W CN 2019113171W WO 2020237993 A1 WO2020237993 A1 WO 2020237993A1
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WO
WIPO (PCT)
Prior art keywords
display panel
color filter
array substrate
liquid crystal
filter substrate
Prior art date
Application number
PCT/CN2019/113171
Other languages
English (en)
French (fr)
Inventor
王恺君
Original Assignee
深圳市华星光电半导体显示技术有限公司
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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
Priority to US16/620,956 priority Critical patent/US11500236B2/en
Publication of WO2020237993A1 publication Critical patent/WO2020237993A1/zh

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Classifications

    • 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
    • G02F1/133365—Cells in which the active layer comprises a liquid crystalline polymer
    • 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
    • G02F1/133305—Flexible substrates, e.g. plastics, organic film
    • 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
    • G02F1/133382—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell
    • 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
    • G02F1/133516—Methods for their manufacture, e.g. printing, electro-deposition or photolithography
    • 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
    • G02F1/1339—Gaskets; Spacers; Sealing of cells
    • G02F1/13398—Spacer materials; Spacer properties
    • 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
    • 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
    • G02F1/1343—Electrodes
    • G02F1/134309—Electrodes characterised by their geometrical arrangement
    • 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
    • G02F1/1343—Electrodes
    • G02F1/13439—Electrodes characterised by their electrical, optical, physical properties; materials therefor; method of making
    • 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
    • G02F1/136286—Wiring, e.g. gate line, drain line
    • 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
    • G02F1/1339—Gaskets; Spacers; Sealing of cells
    • G02F1/13394—Gaskets; Spacers; Sealing of cells spacers regularly patterned on the cell subtrate, e.g. walls, pillars

Definitions

  • the present disclosure relates to the field of flexible display technology, and in particular to a display panel and a method for manufacturing the display panel.
  • the thin film transistor-liquid crystal display (TFT-LCD) liquid crystal display has the characteristics of ultra-thin, bendable, light weight and high degree of design freedom, and has broad market applications in mobile communications, televisions, and wearable devices prospect.
  • the current flexible panel is still unable to achieve large-area mass production.
  • the spacer arranged inside the display panel cannot function as a spacer.
  • the liquid crystal inside the display panel often flows unevenly and the cell thickness is uneven when it is bent.
  • the thickness of the entire liquid crystal cell should be the same. This unevenness will result in a difference in the optical path of the liquid crystal, especially in the curved corners. The deformation will even cause the flexible liquid crystal display panel to display when it is bent. Poor or cannot be displayed.
  • the present disclosure provides a display panel and a manufacturing method of the display panel to solve the problem of uneven liquid crystal flow inside the display panel, inconsistent thickness of the liquid crystal cell, and poor display effect of the display panel when the existing flexible liquid crystal display panel is bent. Ideal and other issues.
  • a display panel including:
  • a color filter substrate, the color filter substrate and the array substrate are arranged oppositely;
  • the sealant is arranged on the edges of the array substrate and the color filter substrate, and the sealant seals the array substrate and the color filter substrate;
  • a metal electrode, the metal electrode is a rectangular metal electrode, and the metal electrode is an indium tin oxide electrode;
  • the retaining wall wherein the metal electrode is arranged on the array substrate, the bottom of the retaining wall abuts on the inner surface of the array substrate, and the top abuts on the inner surface of the color filter substrate.
  • the metal electrode is disposed in the opening area of the pixel unit of the display panel.
  • a liquid crystal mixture is further included, and the liquid crystal mixture is disposed between the array substrate and the color filter substrate.
  • the liquid crystal mixture includes liquid crystal, oligomer, monomer, and thermal initiator.
  • the liquid crystal includes a nematic liquid crystal, and the mass fraction of the liquid crystal is 60 wt% to 90 wt%.
  • the thermal initiator includes one of diethylenetriamine, triethylenetetramine, diaminodiphenylmethane, and polybasic acids or a mixture of more than one.
  • the oligomer is an epoxy resin oligomer
  • the monomer is one of bisphenol A, polybutene, and dicyclopentadiene or a combination thereof.
  • a display panel including:
  • a color filter substrate, the color filter substrate and the array substrate are arranged oppositely;
  • the sealant is arranged on the edges of the array substrate and the color filter substrate, and the sealant seals the array substrate and the color filter substrate;
  • a retaining wall, the metal electrode is arranged on the array substrate, the bottom of the retaining wall abuts on the inner surface of the array substrate, and the top abuts on the inner surface of the color filter substrate.
  • the metal electrode is a rectangular metal electrode, and the metal electrode is disposed in an opening area of the pixel unit of the display panel.
  • the display panel further includes a liquid crystal mixture, and the liquid crystal mixture is disposed between the array substrate and the color filter substrate.
  • the liquid crystal mixture includes liquid crystal, oligomer, monomer, and thermal initiator.
  • the oligomer is an epoxy resin oligomer
  • the monomer is one of bisphenol A, polybutene, and dicyclopentadiene or a combination thereof
  • the thermal initiator is one or a combination of diethylenetriamine, triethylenetetramine, diaminodiphenylmethane, and polybasic acids.
  • a method for manufacturing a display panel including the following steps:
  • step S101 preparing a film layer on the two carrier substrates prepared in step S100 to form an array substrate and a color filter substrate respectively;
  • S105 Separate the carrier substrate and the flexible film to form a flexible display panel.
  • the ultraviolet rays only irradiate the sealant area.
  • the step S102 and the step S103 are interchangeable.
  • step S104 after applying a voltage, continue to wait for 1 minute to 5 minutes before heating.
  • step S104 the voltage is 3V-10V, the heating temperature is 100°C to 150°C, and the heating time is 30 minutes to 180 minutes.
  • the present disclosure provides a new display panel and a method for manufacturing the display panel.
  • the liquid crystal mixture is filled between the array substrate and the color filter substrate. After voltage is applied and heated, the liquid crystal mixture will form polymerization in the non-open area of the pixel unit.
  • the barrier wall supports the array substrate and the color film substrate, which can ensure the consistency of the thickness of the liquid crystal cell when the flexible liquid crystal display panel is bent, and prevent the flow of liquid crystal, thereby solving the display effect when the display panel is bent Not ideal, etc.
  • FIG. 1 is a schematic diagram of the structure of a display panel according to an embodiment of the disclosure
  • FIG. 2 is a schematic plan view of a display panel provided by an embodiment of the disclosure.
  • FIG. 3 is a schematic plan view of a display panel provided by another embodiment of the disclosure.
  • FIG. 4 is a flowchart of a method for manufacturing a display panel provided by an embodiment of the disclosure
  • FIG. 5 is a schematic diagram of applied voltage provided by an embodiment of the disclosure.
  • the flexible display panel can be bent or folded to a certain extent, but its display effect will not be affected. Therefore, the application prospect of the flexible display panel is very broad.
  • the flexible display panel designed in the prior art can be bent or folded. Often, the spacers cannot bond the upper and lower substrates of the display panel at the same time, resulting in uneven thickness of the liquid crystal cell, which affects the display effect.
  • a novel liquid crystal mixture is provided.
  • the liquid crystal mixture is filled between the color filter substrate and the array substrate.
  • the liquid crystal mixture includes liquid crystal, monomers and initiators, and their dielectric constants differ greatly.
  • the liquid crystals, monomers and initiators will undergo phases under the action of voltage. Separate. Substances with large dielectric constants such as liquid crystals will be separated into areas with high voltages, while substances with low dielectric constants such as monomers and initiators will be separated into areas with low voltages.
  • the process flow such as ultraviolet irradiation and heating is performed at the same time, and the monomer and initiator separated outside the pixel area will react and solidify to form a retaining wall, thereby playing a supporting role.
  • the specific components of the liquid crystal mixture include: liquid crystals, oligomers, monomers and thermal initiators.
  • the liquid crystal can be selected according to the specific display mode of the display panel. Generally, it is a nematic liquid crystal, and the mass fraction content of the liquid crystal is 60wt% ⁇ 90wt%; the oligomer is mainly epoxy resin It is an oligomer, specifically it can be bisphenol A epoxy resin, butene epoxy resin, cyclopentadiene epoxy resin, etc. or a mixture of several of them.
  • the mass fraction content of the oligomer 5wt% ⁇ 30wt%; monomers include mono/di and multifunctional monomers, specifically one or a mixture of bisphenol A, polybutene, dicyclopentadiene, etc., and the mass fraction of the monomers
  • the content is 3wt% ⁇ 25wt%;
  • the thermal initiator is one of diethylenetriamine, triethylenetetramine, diaminodiphenylmethane, and polybasic acid or a mixture of multiple, wherein the mass fraction content of the thermal initiator is 0.5 wt% ⁇ 5wt%.
  • FIG. 1 is a schematic structural diagram of the display panel provided by the embodiment of the disclosure.
  • the display panel includes an array substrate 100 and a color filter substrate 101.
  • the array substrate 100 and the color filter substrate 101 are arranged in a pair with each other, and also includes a sealant 103, which is arranged on the array substrate 100 and the color filter substrate 101 Between them, they are arranged at the edge area of the two substrates.
  • the sealant 103 seals the array substrate 100 and the color filter substrate 101.
  • the display panel also includes metal electrodes 104, liquid crystal 105, and retaining walls 106.
  • the metal electrode 104 is disposed on the array substrate 100, and specifically may be disposed in the pixel unit opening area of the array substrate 100.
  • the barrier wall 106 is formed by the liquid crystal mixture provided by the embodiment of the present disclosure after voltage is applied and polymerized by heating.
  • the barrier wall 106 is arranged on the non-opening area 104 of the pixel unit, and the top of the barrier wall 106 is connected to the color film substrate
  • the inner surface of 101 is bonded, and the bottom is bonded to the inner surface of the array substrate 100. Therefore, the retaining wall 106 forms a support column for bonding the upper and lower substrates.
  • the support column The structure prevents the indentation between the array substrate 100 and the color filter substrate 101, and at the same time, due to the barrier wall 106, the liquid crystal 105 cannot flow to both sides of the barrier wall 106, thereby ensuring the cell thickness of the display panel in the curved area. consistency.
  • FIG. 2 is a schematic plan view of the display panel provided by the embodiment of the present disclosure.
  • the display area 201 and the peripheral area 202 in the display panel 200, and the plurality of pixel units 203 arranged in the display area, at the same time, also include a first metal electrode 204 and a second metal electrode 205, wherein the first metal electrode 204 is arranged In the opening area of the pixel unit, the second metal electrode 205 is arranged around the gate line.
  • the display panel 200 also has a common electrode lead 206 and a common electrode 207.
  • the first metal electrode 204 can be a newly provided transparent metal electrode, or it can be shared with the pixel electrode, and the second metal electrode 205 can be a newly provided metal electrode, which can be a transparent metal electrode or not.
  • the light-transmitting metal electrode when the metal electrode 204 is provided, is mainly provided in the opening area of each pixel unit, and can be further extended to the non-opening area to ensure that the opening area of the pixel unit is filled with liquid crystal.
  • the first metal electrode 204 and the second metal electrode 205 are connected to the common electrode lead 206, and at the same time, the common electrode lead 206 is connected to the common electrode 207. In this way, metal electrodes are finished on the array substrate.
  • a voltage is applied to the common electrode 207 and the color filter substrate to form a conductive loop, thereby causing phase separation of the liquid crystal mixture inside the display panel, and preparing for the subsequent manufacturing process.
  • FIG. 3 is a schematic plan view of a display panel provided by another embodiment of the disclosure.
  • the display panel 300 includes a display area 301, a non-display area 302, and a plurality of pixel units 303 arranged in the display area 301.
  • the display panel 300 also includes a first metal electrode 304 and a second metal electrode 305.
  • the two metal electrodes 305 are both connected to the common electrode lead 306, and at the same time, the common electrode lead 306 is connected to the common electrode 307.
  • FIG. 3 is a schematic plan view of a display panel provided by another embodiment of the disclosure.
  • the display panel 300 includes a display area 301, a non-display area 302, and a plurality of pixel units 303 arranged in the display area 301.
  • the display panel 300 also includes a first metal electrode 304 and a second metal electrode 305.
  • the two metal electrodes 305 are both connected to the common electrode lead 306, and at the same time, the common electrode lead 306 is connected to the
  • a rectangular metal electrode 304 is arranged on the periphery of every three sub-pixel units.
  • the first metal electrode 304 is a newly provided transparent electrode, specifically, it may be indium oxide. tin. Then connect the metal electrode to the common electrode lead, and then connect the common electrode lead to the common electrode. At this time, according to the specifics of the flexible display panel, the number of metal electrodes arranged in the display panel is reduced.
  • metal electrodes can be added in the area where the polymer retaining wall needs to be formed according to specific needs.
  • the added metal electrode can share the photomask with the data line, the gate line and the pixel unit, so that no unnecessary photomask process is added.
  • FIG. 4 is a flowchart of a manufacturing method of a display panel provided by an embodiment of the disclosure.
  • the preparation method includes the following steps:
  • two carrier substrates are selected, and then a flexible solution is applied to the carrier substrate or a flexible film is pasted. After the flexible solution is applied, it can be cured into a flexible film by heating or ultraviolet radiation; when pasting the flexible film, It can be attached by surface treatment or double-sided tape.
  • step S102 the color filter substrate needs to be cut, and the cutting position is mainly the area corresponding to the common electrode cured on the array substrate of the pair. In this way, after cutting, After the substrate is paired, it is convenient to connect the common electrode exposed on the array substrate and apply voltage.
  • step S103 since there is still sealant between the two substrates during the assembly process, ultraviolet light is required to cure the sealant. When the light is illuminated, only the sealant area is irradiated to prevent Damage the liquid crystal and the device.
  • step S102 and step S103 can be interchanged, even if the sealant is cured, the color film substrate Make a cut.
  • S104 Apply a voltage to the array substrate to polymerize the liquid crystal mixture to form a polymer barrier.
  • the above step S104 is a process of forming a polymer retaining wall. Since the array substrate is provided with metal electrodes, and the metal electrodes are connected to the common electrode, when a voltage is applied to the common electrode and the color filter substrate, the two will form a conductive loop. The liquid crystal mixtures in the group will undergo phase separation. As the energization continues, the liquid crystals with high dielectric constant in the liquid crystal mixture separate to the area above the metal electrode. After the phases in the mixture are sufficiently separated, about 1 minute to 5 minutes, each phase Can be completely separated. Then the substrate is heated.
  • the material gathered in the non-opening area will polymerize and solidify and form a retaining wall, which connects the upper and lower substrates to block the liquid crystals in the left and right areas of the wall and prevent the liquid crystals in the left and right areas. Convection each other.
  • the applied voltage is 3V-10V
  • the heating temperature is 100°C-150°C
  • the heating time is 30min-180min. It should be noted that the voltage cannot be removed during the heating process to avoid the separated liquid crystal and Remix the monomers.
  • FIG. 5 is a schematic diagram of an applied voltage provided by an embodiment of the disclosure.
  • a voltage is applied between the array substrate 500 and the color filter substrate 501, as shown in the schematic diagram of the voltage 507.
  • the sealant 502 seals the liquid crystal mixture (liquid crystal 504, monomer 505, etc.) within the two substrates.
  • the metal electrode 603 is turned on. Under the action of the voltage, some substances with low dielectric constant, such as monomer 505, gather in the first area 506 of the metal-free electrode 503, and the first area will be the first in the subsequent heating process.
  • the material in the area 506 solidifies to form a retaining wall.
  • S105 Separate the carrier substrate and the flexible film to form a flexible display panel.
  • the retaining wall has basically been cured, and the excess film layer can be separated and removed by laser separation and mechanical separation. Finally, the required flexible display panel is prepared.
  • the traditional liquid filling method can also be used for liquid filling, that is, after the sealant is cured, the liquid crystal is poured between the pair of substrates. At this time, after the filling is completed, the liquid injection port is sealed with glue, and the subsequent process is performed, and the required flexible display panel is finally prepared.

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Abstract

提供一种显示面板，包括阵列基板（100）、彩膜基板（101）、框胶（103）、金属电极（104）以及挡墙（106）。框胶（103）设置在阵列基板（100）和彩膜基板（101）的边缘，用以密封阵列基板（100）和彩膜基板（101）。金属电极（104）设置在阵列基板（100）像素单元开口区域，挡墙（106）的顶部抵接在彩膜基板（101）的内表面上。挡墙（106）阻隔其左侧和右侧的液晶（105），保持液晶盒厚一致。还提供显示面板的制备方法。

Description

显示面板及显示面板的制备方法 技术领域
本揭示涉及柔性显示技术领域，尤其涉及一种显示面板及显示面板的制备方法。
 背景技术
柔性薄膜晶体管（thin film transistor-liquid crystal display，TFT-LCD）液晶显示器具有超薄、可弯曲、质量轻以及设计自由度高等特点，在手机通讯、电视、以及可穿戴设备中具有广阔的市场应用前景。
但是，目前的柔性面板还无法实现大面积的量产，现有的柔性LCD面板中，设置在显示面板内部的隔垫物无法很好的起到隔垫的效果，在对显示面板弯折时，常常会出现显示面板内部的液晶流动不均匀以及在弯曲时盒厚不均匀的情况。而理想状态下，整个液晶盒的厚度应是一致的，这种不均匀的情况会导致液晶光程差，尤其是在弯曲的拐角部位变形明显，甚至会使得柔性液晶显示面板在弯折时显示不佳或无法显示。
 技术问题
现有的柔性液晶显示面板在弯折时，存在着显示面板内部的液晶流动不均匀以及液晶盒的厚度不均等问题，这些问题导致显示面板显示状态不理想或无法显示。
因此，需要提出进一步的完善和解决方案。
 技术解决方案
为解决上述问题，本揭示提供一种显示面板和显示面板的制备方法，以解决现有柔性液晶显示面板在弯折时，显示面板内部液晶流动不均匀，液晶盒厚不一致，显示面板显示效果不理想等问题。
为解决上述技术问题，本揭示实施例提供的技术方案如下：
根据本揭示实施例的第一方面，提供了一种显示面板，包括：
阵列基板；
彩膜基板，所述彩膜基板和所述阵列基板相对设置；
框胶，所述框胶设置在所述阵列基板和所述彩膜基板的边缘，所述框胶密封所述阵列基板和所述彩膜基板；
金属电极，所述金属电极为矩形状金属电极，所述金属电极为氧化铟锡电极；以及
挡墙，其中所述金属电极设置在所述阵列基板上，所述挡墙的底部抵接在阵列基板的内表面上，顶部抵接在所述彩膜基板的内表面上。
根据本揭示一实施例，所述金属电极设置在所述显示面板的像素单元开口区域。
根据本揭示一实施例，还包括液晶混合物，所述液晶混合物设置在所述阵列基板与所述彩膜基板之间。
根据本揭示一实施例，所述液晶混合物包括液晶、低聚物、单体以及热引发剂。
根据本揭示一实施例，所述液晶包括向列相液晶，所述液晶的质量分数60wt%~90wt%。
根据本揭示一实施例，所述热引发剂包括二乙烯三胺、三乙烯四胺、二氨基二苯甲烷、多元酸中的一种或其多种混合物。
根据本揭示一实施例，所述低聚物为环氧树脂系低聚物，所述单体为双酚A、聚丁烯、二环戊二烯烷中的一种或其组合物。
根据本揭示的第二方面，还提供了一种显示面板，包括：
阵列基板；
彩膜基板，所述彩膜基板和所述阵列基板相对设置；
框胶，所述框胶设置在所述阵列基板和所述彩膜基板的边缘，所述框胶密封所述阵列基板和所述彩膜基板；
金属电极；以及
挡墙，所述金属电极设置在所述阵列基板上，所述挡墙的底部抵接在阵列基板的内表面上，顶部抵接在所述彩膜基板的内表面上。
根据本揭示一实施例，所述金属电极为矩形状金属电极，所述金属电极设置在所述显示面板的像素单元开口区域。
根据本揭示一实施例，所述显示面板还包括液晶混合物，所述液晶混合物设置在所述阵列基板与所述彩膜基板之间。
根据本揭示一实施例，所述液晶混合物包括液晶、低聚物、单体以及热引发剂。
根据本揭示一实施例，所述低聚物为环氧树脂系低聚物，所述单体为双酚A、聚丁烯、二环戊二烯烷中的一种或其组合物，所述热引发剂为二乙烯三胺、三乙烯四胺、二胺基二苯甲烷、多元酸中的一种或其组合物。
根据本揭示的第三方面，还提供了一种显示面板的制备方法，包括如下步骤：
S100：在两片载体基板上涂布柔性溶液或柔性薄膜；
S101：在所述步骤S100制备的所述两片载体基板上制备膜层，分别形成阵列基板和彩膜基板；
S102：切割所述彩膜基板，并在所述阵列基板和所述彩膜基板上涂布框胶和液晶混合物；
S103：将所述步骤S102中的所述彩膜基板和所述阵列基板对向结合，并进行紫外线照射；
S104：向所述阵列基板施加电压，使所述液晶混合物聚合形成聚合物挡墙；
S105：将所述载体基板和所述柔性薄膜分离，形成柔性显示面板。
根据本揭示一实施例，所述步骤S103中，所述紫外线只照射所述框胶区域。
根据本揭示一实施例，所述步骤S102和所述步骤S103可互换。
根据本揭示一实施例，所述步骤S104中，施加电压后，继续等待1分钟~5分钟后再进行加热。
根据本揭示一实施例，所述步骤S104中，所述电压为3V~10V，加热温度为100℃~150℃，加热时间为30分钟~180分钟。
 有益效果
本揭示提供一种新的显示面板及显示面板的制备方法，通过在阵列基板及彩膜基板之间填充液晶混合物，所述液晶混合物在施加电压且加热后，会在像素单元非开口区域形成聚合物挡墙，所述挡墙支撑阵列基板和彩膜基板，可以保证柔性液晶显示面板在弯折时，液晶盒厚度的一致性，同时防止液晶的流动，进而解决显示面板弯折时，显示效果不理想等情况。
 附图说明
图1为本揭示实施例的显示面板结构示意图；
图2为本揭示实施例提供的显示面板平面示意图；
图3为本揭示另一实施例提供的显示面板的平面示意图；
图4为本揭示实施例提供的显示面板的制备方法流程图；
图5为本揭示实施例提供的施加电压示意图。
 本发明的最佳实施方式
以下各实施例的说明是参考附加的图式，用以例示本揭示可用以实施的特定实施例。
柔性显示面板可以在一定程度上进行弯曲或折叠，而其显示效果却不会受到影响，因此，柔性显示面板的应用前景很广阔，但是，现有技术中设计的柔性显示面板，在进行弯曲时，常常由于隔垫物无法同时粘结显示面板的上下基板，而导致液晶盒出现厚度不均的情况，进而影响显示效果。
在本揭示的实施例中，提供一种新型液晶混合物。所述液晶混合物填充在彩膜基板和阵列基板之间。所述液晶混合物内包括有液晶、单体以及引发剂，它们的介电常数差异都较大，当对所述液晶混合物施加电压时，液晶、单体以及引发剂会在电压的作用下进行相分离。液晶等介电常数较大的物质会被分离到电压大的区域内，而单体和引发剂等介电常数较小的物质会被分离到电压小的区域内。
当所述液晶混合物分离后，同时进行紫外线照射及加热等工艺流程进行处理，分离到像素区域外的单体和引发剂等就发生反应固化形成一挡墙，从而起到支撑的作用。
具体的，该液晶混合物的具体成分包括：液晶、低聚物、单体以及热引发剂。在配制所述液晶混合物时，液晶可根据显示面板具体的显示模式进行选择，一般情况下为向列相液晶，其液晶的质量分数含量为60wt%~90wt%；低聚物主要为环氧树脂系低聚物，具体的可为双酚A型环氧树脂，丁烯环氧树脂，环戊二烯环氧树脂等其中的一种或者其几种的混合物，其低聚物的质量分数含量为5wt%~30wt%；单体包括单/双及多官能团单体，具体的可为双酚A、聚丁烯、二环戊二烯等的一种或其混合物，其单体的质量分数含量为3wt%~25wt%；热引发剂为二乙烯三胺、三乙烯四胺、二氨基二苯甲烷、多元酸中的一种或其多种混合物，其中热引发剂的质量分数含量为0.5wt%~5wt%。
优选的，本揭示实施例提供一种显示面板，如图1所示，图1为本揭示实施例提供的显示面板结构示意图。显示面板包括阵列基板100以及彩膜基板101，阵列基板100和彩膜基板101相互呈对盒设置，同时还包括框胶103，框胶103设置在所述阵列基板100和所述彩膜基板101之间，设置在两者的边缘区域，当两基板成盒时，框胶103密封阵列基板100和彩膜基板101。
同时，显示面板还包括金属电极104、液晶105以及挡墙106。金属电极104设置在阵列基板100上，具体的可设置在阵列基板100的像素单元开口区。挡墙106是由本揭示实施例提供的液晶混合物在施加电压后聚集且通过加热聚合而成，所述挡墙106设置在像素单元非开口区域104上，并且，挡墙106的顶部与彩膜基板101的内表面相粘接，底部与阵列基板100内表面相粘结，因此，挡墙106就形成了一种粘结上下基板的支撑柱，当显示面板受力弯曲时，这种支撑柱的结构会阻止阵列基板100和彩膜基板101之间的内陷，同时由于挡墙106的阻挡，液晶105无法向挡墙106的两侧流动，进而保证了该弯曲区域内显示面板的盒厚的一致性。
在设置本揭示实施例提供的显示面板时，如图2所示，图2为本揭示实施例提供的显示面板平面示意图。显示面板200中的显示区域201以及外围区域202，以及设置在显示区域内的多个像素单元203，同时，还包括第一金属电极204和第二金属电极205，其中，第一金属电极204设置在像素单元开口区，第二金属电极205布置在栅极线周边。显示面板200中还有公共电极引线206以及公共电极207。在本揭示实施例中，第一金属电极204可以为新设置的透明金属电极，也可与像素电极共用，第二金属电极205为新设置的金属电极，可为透明金属电极，也可为不透光金属电极，设置金属电极204时，主要设置在各像素单元的开口区域，可进一步延伸至非开口区域，以保证像素单元的开口区域充满液晶。并将第一金属电极204和第二金属电极205与公共电极引线206相连接，同时，将公共电极引线206与公共电极207相连接。这样，在阵列基板上布完成了金属电极。在后续工艺中，通过在公共电极207处以及彩膜基板上施加电压，使其形成导电回路，进而使显示面板内部的液晶混合物发生相的分离，并为后续制备工艺做准备。
图2中的金属电极主要布置在每个子像素单元的开口区域。优选的，如图3所示，图3为本揭示另一实施例提供的显示面板的平面示意图。显示面板300中包括显示区域301、非显示区域302以及设置在显示区域301内的多个像素单元303，其中，还包括第一金属电极304和第二金属电极305，第一金属电极304与第二金属电极305均与公共电极引线306相连，同时，公共电极引线306与公共电极307相连。与图2相比，本揭示实施例中，在设置金属电极时，每三个子像素单元的周边布置一块矩形金属电极304，第一金属电极304为新设透明电极，具体的，可为氧化铟锡。然后将金属电极与公共电极引线相连，再将公共电极引线与公共电极相连。此时，根据柔性显示面板的具体，减小显示面板内布置的金属电极布置数量。
以上金属电极的布置仅为部分举例，在实际设置时，可根据具体的需要，在需要形成聚合物挡墙的区域内增加金属电极，并且，在本揭示实施例中，在工艺生产过程中，增加的金属电极可与数据线、栅极线以及像素单元共用光罩，这样，不会增加多余的光罩工序。
本揭示实施例还提供一种显示面板的制备方法。如图4所示，图4为本揭示实施例提供的显示面板的制备方法流程图。其中，制备方法包括如下步骤：
S100：在两片载体基板上涂布柔性薄膜。
具体的，选取两片载体基板，然后在载体基板上涂覆柔性溶液或者粘贴柔性薄膜，在涂覆柔性溶液后，可通过加热或者紫外线照射，使其固化成柔性膜；在粘贴柔性薄膜时，可通过表面处理或者双面胶进行贴附。
S101：在所述步骤S100制备的所述两片载体基板上制备膜层，分别形成阵列基板和彩膜基板。
S102：切割所述彩膜基板，并在所述阵列基板和所述彩膜基板上涂布框胶和液晶混合物。
具体的，由于需要在后续工艺中施加电压，因此，在步骤S102中，需对彩膜基板进行切割，切割部位主要为与其对组的阵列基板上固化的公共电极相应区域，这样，切割后，在基板对组后便于后续对露出阵列基板的公共电极相连接以及施加电压等操作。
S103：将所述步骤S102中的所述彩膜基板和所述阵列基板对向结合，并进行紫外线照射。
此时，在步骤S103中，由于在对组过程中两基板之间还存在框胶，因此，需要使用紫外线进行光照，使框胶固化，在光照时，仅对框胶区域进行照射，以防损坏液晶以及器件。
同时，由于在对彩膜基板进行切割时，仅切割去部分区域，而不影响显示面板的使用，因此，上述步骤S102与步骤S103的顺序可互换，即使框胶固化后再对彩膜基板进行切割。
S104：向所述阵列基板施加电压，使所述液晶混合物聚合形成聚合物挡墙。
上述步骤S104中，为聚合物挡墙的形成工序。由于阵列基板上设置有金属电极，并且金属电极与公共电极相连接，因此，在公共电极处和彩膜基板上施加电压时，两者会形成一导通的回路，在电荷的作用下，对组中的液晶混合物会发生相的分离，随着通电的持续，液晶混合物中介电常数大的液晶分离到金属电极上方区域，等混合物中的相充分分离后，1分钟~5分钟左右，各相就能完全分离。接着对基板加热，此时，聚集在非开口区域的物质会聚合固化，并形成一挡墙，所述挡墙将上下基板连接，从而阻隔挡墙左右区域的液晶，防止其左右区域内的液晶相互对流。
具体的，在施加电压时，施加的电压为3V-10V，加热的温度为100℃-150℃，加热时间30min-180min，需要注意的是，加热过程中不能撤除电压，以免分离后的液晶和单体等重新混合。
具体的，如图5所示，图5为本揭示实施例提供的施加电压示意图。在阵列基板500与彩膜基板501之间施加电压，如图中电压507示意图，在整个结构中，框胶502将液晶混合物（液晶504、单体505等）密封在两基板之内，当施加电压时，金属电极603就导通，在电压的作用下，一些介电常数低的物质如单体505等就聚集无金属电极503的第一区域506中，并在后续的加热过程中第一区域506内的物质固化而形成挡墙。
S105：将所述载体基板和所述柔性薄膜分离，形成柔性显示面板。
此时，基本上挡墙已经固化完成，在对多余的膜层进行分离与去除，可以通过激光分离和机械分离等方式进行分离。最终，制备出所需的柔性显示面板。
在上述整个制备工艺中，在向基板中灌输液晶时，也可采用传统的灌液方式进行灌液，即在框胶固化完成后，再将液晶灌注在对组基板之间。此时，灌注完成后使用胶封住注液口，再进行后续工序，并最终制备所需柔性显示面板。
以上对本揭示实施例所提供的一种显示面板及显示面板的制制备方法进行了详细介绍，以上实施例的说明只是用于帮助理解本揭示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，而这些修改或者替换，并不使相应技术方案的本质脱离本揭示各实施例的技术方案的范围。

Claims (17)

  1. 一种显示面板，包括：
    阵列基板；
    彩膜基板，所述彩膜基板和所述阵列基板相对设置；
    框胶，所述框胶设置在所述阵列基板和所述彩膜基板的边缘，所述框胶密封所述阵列基板和所述彩膜基板；
    金属电极，所述金属电极为矩形状金属电极，所述金属电极为氧化铟锡电极；以及
    挡墙，其中所述金属电极设置在所述阵列基板上，所述挡墙的底部抵接在阵列基板的内表面上，顶部抵接在所述彩膜基板的内表面上。
  2. 根据权利要求1所述的显示面板，其中所述金属电极设置在所述显示面板的像素单元开口区域。
  3. 根据权利要求1所述的显示面板，还包括液晶混合物，所述液晶混合物设置在所述阵列基板与所述彩膜基板之间。
  4. 根据权利要求3所述的显示面板，其中所述液晶混合物包括液晶、低聚物、单体以及热引发剂。
  5. 根据权利要求4所述的显示面板，其中所述液晶包括向列相液晶，所述液晶的质量分数60wt%~90wt%。
  6. 根据权利要求4所述的显示面板，其中所述热引发剂包括二乙烯三胺、三乙烯四胺、二氨基二苯甲烷、多元酸中的一种或其多种混合物。
  7. 根据权利要求4所述的显示面板，其中所述低聚物为环氧树脂系低聚物，所述单体为双酚A、聚丁烯、二环戊二烯烷中的一种或其组合物。
  8. 一种显示面板，包括：
    阵列基板；
    彩膜基板，所述彩膜基板和所述阵列基板相对设置；
    框胶，所述框胶设置在所述阵列基板和所述彩膜基板的边缘，所述框胶密封所述阵列基板和所述彩膜基板；
    金属电极；以及
    挡墙，其中所述金属电极设置在所述阵列基板上，所述挡墙的底部抵接在阵列基板的内表面上，顶部抵接在所述彩膜基板的内表面上。
  9. 根据权利要求8所述的显示面板，其中所述金属电极为矩形状金属电极，所述金属电极设置在所述显示面板的像素单元开口区域。
  10. 根据权利要求8所述的显示面板，还包括液晶混合物，所述液晶混合物设置在所述阵列基板与所述彩膜基板之间。
  11. 根据权利要求10所述的显示面板，其中所述液晶混合物包括液晶、低聚物、单体以及热引发剂。
  12. 根据权利要求11所述的显示面板，其中所述低聚物为环氧树脂系低聚物，所述单体为双酚A、聚丁烯、二环戊二烯烷中的一种或其组合物，所述热引发剂为二乙烯三胺、三乙烯四胺、二胺基二苯甲烷、多元酸中的一种或其组合物。
  13. 一种显示面板的制备方法，包括如下步骤：
    S100：在两片载体基板上涂布柔性薄膜；
    S101：在所述步骤S100制备的所述两片载体基板上制备膜层，分别形成阵列基板和彩膜基板；
    S102：切割所述彩膜基板，并在所述阵列基板和所述彩膜基板上涂布框胶和液晶混合物；
    S103：将所述步骤S102中的所述彩膜基板和所述阵列基板对向结合，并进行紫外线照射；
    S104：向所述阵列基板施加电压，使所述液晶混合物聚合形成聚合物挡墙；以及
    S105：将所述载体基板和所述柔性薄膜分离，形成柔性显示面板。
  14. 根据权利要求13所述的显示面板的制备方法，其中所述步骤S103中，所述紫外线只照射所述框胶区域。
  15. 根据权利要求13所述的显示面板的制备方法，其中所述步骤S102和所述步骤S103的顺序可互换。
  16. 根据权利要求13所述的显示面板的制备方法，其中所述步骤S104中，施加电压后，继续等待1分钟~5分钟后再向所述阵列基板进行加热。
  17. 根据权利要求16所述的显示面板的制备方法，其中所述步骤S104中，所述电压为3V~10V，加热温度为100℃~150℃，加热时间为30分钟~180分钟。
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