WO2019015009A1 - 抗眩层的制作方法及显示面板 - Google Patents

抗眩层的制作方法及显示面板 Download PDF

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Publication number
WO2019015009A1
WO2019015009A1 PCT/CN2017/098449 CN2017098449W WO2019015009A1 WO 2019015009 A1 WO2019015009 A1 WO 2019015009A1 CN 2017098449 W CN2017098449 W CN 2017098449W WO 2019015009 A1 WO2019015009 A1 WO 2019015009A1
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WIPO (PCT)
Prior art keywords
sprayed particles
glass substrate
particles
spray liquid
spray
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Ceased
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PCT/CN2017/098449
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English (en)
French (fr)
Inventor
杨勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan China Star Optoelectronics Technology Co Ltd
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Wuhan China Star Optoelectronics Technology Co Ltd
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Priority to US15/558,164 priority Critical patent/US10459122B2/en
Publication of WO2019015009A1 publication Critical patent/WO2019015009A1/zh
Anticipated expiration legal-status Critical
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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
    • G02B1/11—Anti-reflection coatings
    • G02B1/111—Anti-reflection coatings using layers comprising organic materials
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B25/00—Annealing glass products
    • C03B25/02—Annealing glass products in a discontinuous way
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/28—Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material
    • C03C17/32—Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material with synthetic or natural resins
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
    • G02B5/0226—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures having particles on the surface
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0268—Diffusing elements; Afocal elements characterized by the fabrication or manufacturing method
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2217/00—Coatings on glass
    • C03C2217/40—Coatings comprising at least one inhomogeneous layer
    • C03C2217/42—Coatings comprising at least one inhomogeneous layer consisting of particles only
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2217/00—Coatings on glass
    • C03C2217/40—Coatings comprising at least one inhomogeneous layer
    • C03C2217/425—Coatings comprising at least one inhomogeneous layer consisting of a porous layer
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2217/00—Coatings on glass
    • C03C2217/70—Properties of coatings
    • C03C2217/73—Anti-reflective coatings with specific characteristics
    • C03C2217/732—Anti-reflective coatings with specific characteristics made of a single layer
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2218/00—Methods for coating glass
    • C03C2218/10—Deposition methods
    • C03C2218/11—Deposition methods from solutions or suspensions
    • C03C2218/112—Deposition methods from solutions or suspensions by spraying
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2218/00—Methods for coating glass
    • C03C2218/30—Aspects of methods for coating glass not covered above
    • C03C2218/32—After-treatment
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2218/00—Methods for coating glass
    • C03C2218/30—Aspects of methods for coating glass not covered above
    • C03C2218/32—After-treatment
    • C03C2218/328—Partly or completely removing a coating
    • C03C2218/33—Partly or completely removing a coating by etching
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
    • Y10T428/24372—Particulate matter
    • Y10T428/24405—Polymer or resin [e.g., natural or synthetic rubber, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]

Definitions

  • the present invention relates to the field of display technologies, and in particular, to a method for fabricating an anti-glare layer and a display panel.
  • Anti-glare treatment is usually performed on the surface of the glass cover plate to reduce the glare on the surface of the glass cover plate, thereby enhancing the readability of the display panel.
  • the commonly used anti-glare surface treatment method is to apply the spray coated particles to the surface of the glass cover plate. deal with.
  • the invention provides a method for manufacturing an anti-glare layer and a display panel, which can solve the technical problem that the surface of the glass cover plate is easy to generate light in the anti-glare surface treatment method of the prior art, thereby affecting the comfort of the user's viewing, and achieves the weakening. It even eliminates the light diffraction effect, improves the quality of the displayed picture, and enhances the comfort of the user's viewing.
  • a display panel including a glass substrate and a display device, wherein the glass substrate is formed with an anti-glare layer, wherein the anti-glare layer
  • the manufacturing method comprises: preparing a spray liquid comprising sprayed particles having a shell structure; uniformly spraying the spray liquid onto a glass substrate by a spraying device to form an array structure on the glass substrate; Structurally spraying an acidic liquid to remove the outer shell structure of the sprayed particles having the outer shell structure, forming a void between the sprayed particles, wherein the acidic liquid is an inorganic acidic liquid, and the voids range from 1 to 20 ⁇ m.
  • the sprayed particles are annealed to form an anti-glare layer.
  • a technical solution adopted by the present invention is to provide a method for fabricating an anti-glare layer, the method comprising: preparing a spray liquid, the spray liquid comprising sprayed particles having a shell structure; The spray liquid is uniformly sprayed onto the glass substrate to form on the glass substrate Arranging an array structure; spraying an acidic liquid on the array structure to remove the outer shell structure of the sprayed particles having the outer shell structure, forming a gap between the sprayed particles; annealing the sprayed particles to form an anti-reflection Glare layer.
  • another technical solution adopted by the present invention is to provide a display panel including a glass substrate and a display device, wherein the glass substrate is formed with an anti-glare layer, wherein the anti-glare layer
  • the manufacturing method comprises: preparing a spray liquid comprising sprayed particles having a shell structure; uniformly spraying the spray liquid onto a glass substrate by a spraying device to form an array structure on the glass substrate; The acidic liquid is structurally sprayed to remove the outer shell structure of the sprayed particles having the outer shell structure, and a void is formed between the sprayed particles; the sprayed particles are annealed to form an anti-glare layer.
  • the invention has the beneficial effects of providing an anti-glare layer manufacturing method and a display panel, which are prepared by spraying particles coated with a shell structure, and then treating the sprayed particles having the outer shell structure to cause voids between the spray particles, thereby weakening or even Eliminate the light diffraction effect, improve the quality of the displayed picture, and enhance the comfort of the user.
  • FIG. 1 is a schematic flow chart of an embodiment of a method for fabricating an anti-glare layer of the present invention
  • step S110 is a schematic flow chart of step S110 according to an embodiment of the present invention.
  • FIG. 3 is a schematic flow chart of another embodiment of a method for fabricating an anti-glare layer of the present invention.
  • FIG. 4 is a schematic view showing the preparation structure of an anti-glare layer according to an embodiment of the present invention.
  • Figure 5 is a schematic view showing actual measurement results of two different void anti-glare spray particle cover plates of the present invention.
  • Figure 6 is a diagram showing the relationship between the brightness of the axis of Figure 5 as a function of position
  • Fig. 7 is a schematic structural view of an embodiment of a display panel of the present invention.
  • FIG. 1 is a schematic flow chart of an embodiment of a method for fabricating an anti-glare layer according to the present invention.
  • FIG. 2 is a schematic flow chart of step S110 according to an embodiment of the present invention. It should be noted that the method of the present invention is not limited to the sequence of the flow shown in FIG. 1 if substantially the same result is obtained. As shown in Figure 1, the method includes the following steps:
  • Step S110 preparing a spray liquid containing spray particles having a shell structure.
  • the anti-glare surface treatment method is to surface-treat the glass cover plate with spray-coated particles. Since there are certain voids or holes between the sprayed particles, when the voids or the holes satisfy certain conditions, it is easy to generate light diffraction on the surface of the cover glass. Therefore, in the present embodiment, the light diffraction effect is weakened or even eliminated by controlling the range of voids or voids of the sprayed particles by making the spray liquid.
  • the specific preparation method is as follows.
  • Step S120 uniformly spraying the spray liquid onto the glass substrate by a spraying device to form an array structure on the glass substrate.
  • the prepared spray liquid is placed in a spraying device, and the spray liquid is uniformly sprayed onto the glass substrate by a spray device by pressure or centrifugal force; the poor solvent of the spray liquid is volatilized to form an array structure on the glass substrate.
  • the alignment structure refers to a spray particle holding a spray particle.
  • Step S130 spraying an acidic liquid on the array structure to remove the outer shell structure of the sprayed particles having the outer shell structure to form a void between the sprayed particles.
  • An acidic liquid is sprayed on the formed alignment structure, and the acidic liquid chemically reacts with the outer shell structure, so that the outer shell structure can be removed, so that a void is formed between the sprayed particles.
  • holes may be formed between the sprayed particles, which are not specifically limited in the present invention.
  • Step S140 Annealing the sprayed particles to form an anti-glare layer.
  • annealing treatment is performed to enhance the bonding force between the spray particles and the glass substrate, and the mechanical strength of the spray particles is increased to form an anti-glare layer.
  • the anti-glare layer manufacturing method provided by the invention is to prepare sprayed particles having a shell structure, and then processing the sprayed particles having the outer shell structure to generate voids between the sprayed particles, thereby weakening or even eliminating the light diffraction effect and improving the display quality. To enhance the comfort of the user's viewing.
  • the specific preparation method of the spray liquid of step S110 includes the following steps:
  • Step S101 providing sprayed particles, and the sprayed particles are transparent organic resins.
  • the sprayed particles are existing sprayed particles, and the sprayed particles are sprayed particles made of an organic resin, and specifically may be transparent or colorless organic resins, wherein the transparent or colorless organic resin includes, but is not limited to, polymethyl methacrylate (PMMA).
  • PMMA polymethyl methacrylate
  • PET polyethylene terephthalate
  • PC polycarbonate
  • the sprayed particles made of the above transparent or colorless organic resin have good light transmittance or good mechanical properties.
  • the thickness of the sprayed particles used is in the range of 50 to 100 ⁇ m, for example, 50 ⁇ m, 75 ⁇ m, 100 ⁇ m, and the like.
  • Step S102 The sprayed particles are mixed into the poor solvent and stirred sufficiently to form the sprayed particles into a suspension.
  • the transparent spray particles provided above are mixed into a poor solvent and stirred sufficiently to form a suspension of the spray particles.
  • the poor solvent refers to a solvent having a weak solubility to a polymer solute
  • this embodiment is a liquid having a low solubility to PMMA, PET or PC.
  • the concentration of the sprayed particles in the suspension is relatively high, and ranges from 0.1 to 0.2 mg/mL, for example, 0.1 mg/mL, 0.15 mg/mL, 0.2 mg/mL, and the like.
  • Step S103 A metal oxide powder is added to the suspension and stirred sufficiently to cause the metal oxide to coat the spray particles.
  • metal oxide powder such as iron oxide (Fe 2 O 3 ), sodium oxide (Na 2 O), etc.
  • the metal oxide has a color, making it easy to distinguish between the sprayed particles and the metal oxide powder. Stir thoroughly again to allow the metal oxide to coat the spray particles.
  • Step S104 forming a spray liquid of sprayed particles having a shell structure.
  • the thickness of the outer shell structure of the sprayed particles may range from 0.5 to 10 ⁇ m, for example, 0.5 ⁇ m, 5.25 ⁇ m, 10 ⁇ m, and the like.
  • the thickness of the outer shell structure of the sprayed particles may range from 2 to 5 [mu]m, such as: 2 [mu]m, 3.5 [mu]m, 5 [mu]m, and the like.
  • the wavelength of visible light ranges from 0.39 to 0.78 ⁇ m.
  • FIG. 3 is a schematic flow chart of another embodiment of the method for fabricating the anti-glare layer of the present invention
  • FIG. 4 is a schematic view showing the structure of the preparation according to an embodiment of the present invention. As shown in FIG. 3, the method includes the following steps:
  • Step S210 preparing a spray liquid containing spray particles having a shell structure.
  • Step S220 uniformly spraying the spray liquid onto the glass substrate by using a spraying device.
  • the spray liquid prepared in the above preparation method is installed in a spraying device, and the spray liquid is uniformly sprayed onto the glass substrate by using a spraying device by pressure or centrifugal force, and the thickness range of the spray liquid is controlled to be 12 ⁇ m.
  • Step S230 The poor solvent of the liquid to be sprayed is volatilized to form an array structure on the glass substrate.
  • Step S240 spraying an acidic liquid on the array structure to remove the outer shell structure of the sprayed particles having the outer shell structure to form a void between the sprayed particles.
  • holes may be formed between the sprayed particles, which are not specifically limited in the present invention.
  • an acidic liquid is sprayed on the above-arranged alignment structure, and the acidic liquid chemically reacts with the outer shell structure, so that the outer shell structure can be removed, so that voids or pores are formed between the sprayed particles. Since the voids are produced by the removal of the two outer casing structures, the voids have a range of 1 to 20 ⁇ m, for example, 1 ⁇ m, 10.5 ⁇ m, 20 ⁇ m, and the like.
  • the acidic liquid is an inorganic acidic liquid, including but not limited to hydrochloric acid, dilute sulfuric acid and the like.
  • the gap distance between the sprayed particles is 1-20 ⁇ m, which is twice the thickness range of the outer shell structure of the sprayed particles, and is larger than the maximum wavelength range of the visible light. Greatly weaken or even eliminate the effect of light diffraction.
  • the schematic diagram of the structure generated by the step is shown in Fig. 4(c).
  • Step S250 cleaning the voids of the sprayed particles to remove the acidic liquid.
  • the voids of the sprayed particles are cleaned, specifically ultrasonic cleaning, the number of times is 2 to 3 times to remove the acidic liquid.
  • Step S260 Annealing the sprayed particles 2 to 4 times to form an anti-glare layer.
  • the annealing treatment is performed, and the annealing treatment can be increased by 2 to 4 times to further enhance the bonding force between the sprayed particles and the glass substrate, and the mechanical strength of the sprayed particles is enhanced to form an anti-glare layer.
  • the structural schematic diagram of the step of producing an anti-glare layer is shown in FIG. 4(d).
  • FIG. 5 is a schematic diagram showing actual measurement results of two different gap anti-glare spray particle cover plates according to the present invention
  • FIG. 6 is a schematic diagram showing the relationship between the brightness of the axis in FIG. 5 and the position change.
  • the anti-glare sprayed particles in 1# exceed the wavelength in the visible light band, and the diffraction effect of the light wave is weak; the anti-glare spray particles in 2# have small voids, which are equivalent to the visible light wavelength, and the diffraction effect is more obvious.
  • the green picture when the green picture is displayed, the red and blue elements around the green pixel in 1# are dark.
  • the illustrated position is the position of the green pixel, and the upper and lower sides are respectively a red pixel and a blue pixel.
  • Fig. 1# has a narrow half-width in each bright and dark period, and the brightness is darkly changed at the edge position of the pixel, indicating that the image clarity is higher when the screen is displayed using the anti-glare cover of Fig. 1#.
  • the half-peak width is wider in each bright and dark period, and the light-dark transition at the edge of the pixel is relatively inconspicuous.
  • the picture clarity is poor, and the brightness is also relatively good. low.
  • the anti-glare layer manufacturing method provided by the invention is to prepare sprayed particles having a shell structure, and then treating the sprayed particles having the outer shell structure to produce a controlled range of voids between the sprayed particles, thereby weakening or even eliminating the light diffraction effect and improving The quality of the displayed picture enhances the comfort of the user.
  • FIG. 7 is a schematic structural diagram of an embodiment of a display panel of the present invention.
  • the display panel 30 includes a glass substrate 31 and a display device 32.
  • the glass substrate 31 is formed with an anti-glare layer 33, and the anti-glare layer 33 is fabricated by the method described above.
  • the present invention provides an anti-glare layer manufacturing method and a display panel by fabricating sprayed particles having a shell structure, and then treating the sprayed particles having the outer shell structure to spray the particles.
  • a gap is created to weaken or even eliminate the light diffraction effect, improve the quality of the displayed picture, and improve the comfort of the user's viewing.

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Abstract

一种抗眩层的制作方法及显示面板（30），该方法包括：制备喷涂液，喷涂液包含具有外壳结构的喷涂粒子；用喷涂装置将喷涂液均匀喷涂到玻璃基板（31）上以在玻璃基板（31）上形成排列结构；在排列结构上喷洒酸性液体，以去除具有外壳结构的喷涂粒子的外壳结构，在喷涂粒子之间形成空隙；对喷涂粒子进行退火处理，以形成抗眩层。通过上述方式，能够减弱甚至消除光衍射效应，改善显示的画面质，提升用户观看的舒适度。

Description

抗眩层的制作方法及显示面板 【技术领域】
本发明涉及显示技术领域，特别是涉及一种抗眩层的制作方法及显示面板。
【背景技术】
通常在玻璃盖板的表面进行抗眩处理，减少玻璃盖板表面的眩光，从而增强显示面板的可读性，其中，常用的抗眩表面处理方式是对玻璃盖板采用喷涂涂布粒子进行表面处理。
然而，由于涂布粒子之间存在一定的空隙或者孔洞，当空隙或者孔洞满足一定条件时，容易在玻璃盖板表面产生光的衍射现象，使得显示面板中亮画素周围的暗画素呈现出亮度变化，这种亮度变化会造成显示的画面图像模糊或者画面亮度降低，从而影响用户观看的舒适性。
【发明内容】
本发明提供一种抗眩层的制作方法及显示面板，可以解决现有技术抗眩表面处理方式中玻璃盖板表面容易产生光的衍射现象，从而影响用户观看的舒适性的技术问题，达到减弱甚至消除光衍射效应，改善显示的画面质，提升用户观看的舒适度。
为解决上述技术问题，本发明采用的另一个技术方案是：提供一种显示面板，所述显示面板包括玻璃基板和显示装置，所述玻璃基板上制作有抗眩层，其中所述抗眩层的制作方法包括：制备喷涂液，所述喷涂液包含具有外壳结构的喷涂粒子；用喷涂装置将所述喷涂液均匀喷涂到玻璃基板上以在所述玻璃基板上形成排列结构；在所述排列结构上喷洒酸性液体，以去除所述具有外壳结构的喷涂粒子的外壳结构，在所述喷涂粒子之间形成空隙，其中，所述酸性液体为无机酸性液体，所述空隙的范围为1～20μm；对所述喷涂粒子进行退火处理，以形成抗眩层。
为解决上述技术问题，本发明采用的一个技术方案是：提供一种抗眩层的制作方法，所述方法包括：制备喷涂液，所述喷涂液包含具有外壳结构的喷涂粒子；用喷涂装置将所述喷涂液均匀喷涂到玻璃基板上以在所述玻璃基板上形 成排列结构；在所述排列结构上喷洒酸性液体，以去除所述具有外壳结构的喷涂粒子的外壳结构，在所述喷涂粒子之间形成空隙；对所述喷涂粒子进行退火处理，以形成抗眩层。
为解决上述技术问题，本发明采用的另一个技术方案是：提供一种显示面板，所述显示面板包括玻璃基板和显示装置，所述玻璃基板上制作有抗眩层，其中所述抗眩层的制作方法包括：制备喷涂液，所述喷涂液包含具有外壳结构的喷涂粒子；用喷涂装置将所述喷涂液均匀喷涂到玻璃基板上以在所述玻璃基板上形成排列结构；在所述排列结构上喷洒酸性液体，以去除所述具有外壳结构的喷涂粒子的外壳结构，在所述喷涂粒子之间形成空隙；对所述喷涂粒子进行退火处理，以形成抗眩层。
本发明的有益效果是：提供一种抗眩层制作方法及显示面板，通过制作具有外壳结构的喷涂粒子，然后对具有外壳结构的喷涂粒子进行处理，使喷涂粒子之间产生空隙，从而减弱甚至消除光衍射效应，改善显示的画面质，提升用户观看的舒适度。
【附图说明】
图1是本发明抗眩层制作方法的一实施例的流程示意图；
图2是本发明一实施例步骤S110的流程示意图；
图3是本发明抗眩层制作方法的另一实施例的流程示意图；
图4是本发明一实施例中抗眩层的制备结构示意图；
图5是本发明两种不同空隙抗眩喷涂粒子盖板的实际测量结果示意图；
图6是图5中轴线亮度随位置的变化的关系示意图；
图7是本发明显示面板一实施例的结构示意图。
【具体实施方式】
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅是本发明的一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动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。
请参阅图1至图2，图1是本发明抗眩层制作方法的一实施例的流程示意图， 图2是本发明一实施例步骤S110的流程示意图。需注意的是，若有实质上相同的结果，本发明的方法并不以图1所示的流程顺序为限。如图1所示，该方法包括以下步骤：
步骤S110：制备喷涂液，喷涂液包含具有外壳结构的喷涂粒子。
通常抗眩表面处理方式是对玻璃盖板采用喷涂涂布粒子进行表面处理。由于喷涂粒子之间存在一定的空隙或者孔洞，当空隙或者孔洞满足一定条件时，容易在玻璃盖板表面产生光的衍射。因此，本实施例中，通过对制作喷涂液来控制喷涂粒子的空隙或者孔洞的范围来减弱甚至消除光衍射效应。具体的制备方法参见下文。
步骤S120：用喷涂装置将喷涂液均匀喷涂到玻璃基板上以在玻璃基板上形成排列结构。
将制备好的喷涂液装在喷涂装置中，利用压力或者离心力用喷涂装置将喷涂液均匀喷涂到玻璃基板上；待喷涂液的不良溶剂挥发，以在玻璃基板上形成排列结构。排列结构是指一个喷涂粒子挨着一个喷涂粒子。
步骤S130：在排列结构上喷洒酸性液体，以去除具有外壳结构的喷涂粒子的外壳结构，在喷涂粒子之间形成空隙。
在形成的排列结构上喷洒酸性液体，酸性液体与外壳结构发生化学反应，从而可以去除外壳结构，使得在喷涂粒子之间形成空隙。其中，也可以在喷涂粒子之间形成孔洞，此处本发明不作具体限定。
步骤S140：对喷涂粒子进行退火处理，以形成抗眩层。
最后进行退火处理，增强喷涂粒子和玻璃基板之间的结合力，提升喷涂粒子的机械强度，从而形成抗眩层。
本发明提供的抗眩层制作方法是制作具有外壳结构的喷涂粒子，然后对具有外壳结构的喷涂粒子进行处理，使喷涂粒子之间产生空隙，从而减弱甚至消除光衍射效应，改善显示的画面质，提升用户观看的舒适度。
如图2所示，本实施中，步骤S110的喷涂液的具体制备方法包括如下步骤：
步骤S101：提供喷涂粒子，喷涂粒子为透明有机树脂。
喷涂粒子是现有的喷涂粒子，喷涂粒子为有机树脂制作的喷涂粒子，具体可以为透明或者无色有机树脂，其中，透明或者无色有机树脂包括但不限于聚甲基丙烯酸甲酯(PMMA)、聚对苯二甲酸乙二醇酯(PET)或者聚碳酸酯(PC)，用上述透明或者无色有机树脂制成的喷涂粒子透光性好，或者机械特性好。
一般，采用的喷涂粒子的厚度范围在50～100μm之间，例如：50μm、75μm、100μm等等。
步骤S102：将喷涂粒子混入不良溶剂中，并充分搅拌以使喷涂粒子形成悬浮液。
将上述提供的透明喷涂粒子混入不良溶剂中，并充分搅拌以使喷涂粒子形成悬浮液。其中，不良溶剂是指对高分子溶质具有较弱溶解能力的溶剂，本实施例即是对PMMA、PET或PC溶解度不高的液体。
然后，充分搅拌以使喷涂粒子被不良溶剂包裹形成悬浮液，以便利用喷涂在玻璃基板上。其中，悬浮液中的喷涂粒子的浓度较高，其范围为0.1～0.2mg/mL，例如：0.1mg/mL、0.15mg/mL、0.2mg/mL等等。
步骤S103：向悬浮液中添加金属氧化物粉末，并充分搅拌以使金属氧化物包裹喷涂粒子。
向悬浮液中添加金属氧化物粉末，如氧化铁(Fe2O3)、氧化钠(Na2O)等一般情况下，金属氧化物都具有颜色，使得容易区分喷涂粒子和金属氧化物粉末，再次充分搅拌以使金属氧化物包裹喷涂粒子。
步骤S104：形成具有外壳结构的喷涂粒子的喷涂液。
最终形成具有外壳结构的喷涂粒子的喷涂液。其中，喷涂粒子的外壳结构的厚度范围可以为0.5～10μm，例如：0.5μm、5.25μm、10μm等等。在本发明一具体实施例中喷涂粒子的外壳结构的厚度范围可以为2-5μm，例如：2μm、3.5μm、5μm等等。可见光的波长范围为0.39～0.78μm。
通过上述方法制备喷涂液，可以获得喷涂液是包含具有外壳结构的喷涂粒子。
请参阅图3和图4，图3是本发明抗眩层制作方法的另一实施例的流程示意图，图4是本发明一实施例的制备结构示意图。如图3所示，该方法包括以下步骤：
步骤S210：制备喷涂液，喷涂液包含具有外壳结构的喷涂粒子。
本步骤的详细内容参见上文，在此不再赘述。其中，步骤产生的结构示意图如图4(a)。
步骤S220：用喷涂装置将喷涂液均匀喷涂到玻璃基板上。
将上述制备方法中制备好的喷涂液装在喷涂装置中，利用压力或者离心力用喷涂装置将喷涂液均匀喷涂到玻璃基板上，喷涂液的厚度范围控制在12μm 以内。
步骤S230：待喷涂液的不良溶剂挥发，以在玻璃基板上形成排列结构。
具体的，用喷涂装置将喷涂液均匀喷涂到玻璃基板上之后，还需待喷涂液的不良溶剂充分挥发，以便在玻璃基板上形成排列结构的喷涂粒子，才能进行下一步骤。
由于悬浮液中的喷涂粒子比重高，容易形成一个喷涂粒子挨着一个喷涂粒子的排列结构。其中，步骤产生的结构示意图如图4(b)。
步骤S240：在排列结构上喷洒酸性液体，以去除具有外壳结构的喷涂粒子的外壳结构，在喷涂粒子之间形成空隙。其中，也可以在喷涂粒子之间形成孔洞，此处本发明不作具体限定。
在上述形成的排列结构上喷洒酸性液体，酸性液体与外壳结构发生化学反应，从而可以去除外壳结构，使得在喷涂粒子之间形成空隙或孔洞。由于空隙是两个外壳结构去除掉产生的，所以空隙的范围1～20μm，例如：1μm、10.5μm、20μm等等。其中，酸性液体为无机酸性液体，包括但不限于盐酸、稀硫酸等。
由于可见光的波长范围为0.39～0.78μm，本实施例使得喷涂粒子之间形成空隙距离为1～20μm，即为喷涂粒子的外壳结构的厚度范围的2倍，且大于可见光的最大波长范围，可以大大减弱甚至消除光衍射效应。其中，步骤产生的结构示意图如图4(c)。
步骤S250：对喷涂粒子的空隙进行清洗，以将酸性液体清除。
对喷涂粒子的空隙进行清洗，具体可以为超声波清洗，次数为2～3次，以将酸性液体清除干净。
步骤S260：对喷涂粒子进行退火处理2～4次，以形成抗眩层。
最后进行退火处理，退火处理可以增加为2～4次，进一步增强喷涂粒子和玻璃基板之间的结合力，提升喷涂粒子的机械强度，从而形成抗眩层。其中，步骤产生抗眩层的结构示意图如图4(d)。
请进一步参阅图5及图6，图5为本发明两种不同空隙抗眩喷涂粒子盖板的实际测量结果示意图，图6为图5中轴线亮度随位置的变化的关系示意图。其中，图5中1#中抗眩喷涂粒子超过了可见光波段的波长，光波的衍射作用较弱；2#中抗眩喷涂粒子的空隙较小，与可见光波长相当，衍射作用较为明显。从图中可以看出，在显示绿画面时，1#中绿色画素周围的红画素和蓝画素暗态情况 较好，而2#中绿画素周围的红画素和蓝画素由于光衍射作用的影响造成暗态较亮，从而影响了画面的清晰度和锐度。其中，图1#和2#中，图示的位置为绿色画素的位置，其上下两侧分别为红色画素和蓝色画素。
图6中，可以看出图1#在每个亮暗周期内半峰宽较窄，且在画素边缘位置亮暗转换明显，说明运用图1#抗眩盖板显示画面时画面清晰度较高，而图2#每个亮暗周期内半峰宽较宽，在画素边缘位置亮暗转换相对不明显，由图2#抗眩盖板显示画面时画面清晰度较差，同时亮度也会较低。
本发明提供的抗眩层制作方法是制作具有外壳结构的喷涂粒子，然后对具有外壳结构的喷涂粒子进行处理，使喷涂粒子之间产生范围可控的空隙，从而减弱甚至消除光衍射效应，改善显示的画面质，提升用户观看的舒适度。
请参阅图7，图7是本发明显示面板一实施例的结构示意图。
如图7所示，显示面板30包括玻璃基板31和显示装置32，其中，玻璃基板31上制作有抗眩层33，抗眩层33的制作方法如上文所述的方法。
抗眩层33的制作方法参见上文所述的方法，在此不再赘述。
综上所述，本领域技术人员容易理解，本发明提供一种抗眩层制作方法及显示面板，通过制作具有外壳结构的喷涂粒子，然后对具有外壳结构的喷涂粒子进行处理，使喷涂粒子之间产生空隙，从而减弱甚至消除光衍射效应，改善显示的画面质，提升用户观看的舒适度。
以上所述仅为本发明的实施方式，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。

Claims (20)

  1. 一种显示面板，所述显示面板包括玻璃基板和显示装置，其中，所述玻璃基板上制作有抗眩层，所述抗眩层的制作方法包括：
    制备喷涂液，所述喷涂液包含具有外壳结构的喷涂粒子；
    用喷涂装置将所述喷涂液均匀喷涂到玻璃基板上以在所述玻璃基板上形成排列结构；
    在所述排列结构上喷洒酸性液体，以去除所述具有外壳结构的喷涂粒子的外壳结构，在所述喷涂粒子之间形成空隙，其中，所述酸性液体为无机酸性液体，所述空隙的范围为1～20μm；
    对所述喷涂粒子进行退火处理，以形成抗眩层。
  2. 根据权利要求1所述的显示面板，其中，所述制备喷涂液，所述喷涂液包含具有外壳结构的喷涂粒子的步骤包括：
    提供喷涂粒子，所述喷涂粒子为透明有机树脂；
    将所述喷涂粒子混入不良溶剂中，并充分搅拌以使所述喷涂粒子形成悬浮液；
    向所述悬浮液中添加金属氧化物粉末，并充分搅拌以使所述金属氧化物包裹所述喷涂粒子；
    形成具有外壳结构的喷涂粒子的喷涂液。
  3. 根据权利要求2所述的显示面板，其中，所述用喷涂装置将所述喷涂液均匀喷涂到玻璃基板上以在所述玻璃基板上形成排列结构的步骤具体包括：
    用喷涂装置将所述喷涂液均匀喷涂到玻璃基板上；
    待所述喷涂液的不良溶剂挥发，以在所述玻璃基板上形成排列结构。
  4. 根据权利要求2所述的显示面板，其中，所述透明有机树脂为聚甲基丙烯酸甲酯、聚对苯二甲酸乙二醇酯或者聚碳酸酯。
  5. 根据权利要求1所述的显示面板，其中，所述外壳结构的厚度范围为0.5～10μm。
  6. 根据权利要求1所述的显示面板，其中，所述对所述喷涂粒子进行退火处理，以形成抗眩层的步骤之前包括：
    对所述喷涂粒子的空隙进行清洗，以将所述酸性液体清除。
  7. 根据权利要求1所述的显示面板，其中，所述对所述喷涂粒子进行退火 处理，以形成抗眩层的步骤具体包括：
    对所述喷涂粒子进行退火处理2～4次，以形成抗眩层。
  8. 一种抗眩层的制作方法，其中，所述方法包括：
    制备喷涂液，所述喷涂液包含具有外壳结构的喷涂粒子；
    用喷涂装置将所述喷涂液均匀喷涂到玻璃基板上以在所述玻璃基板上形成排列结构；
    在所述排列结构上喷洒酸性液体，以去除所述具有外壳结构的喷涂粒子的外壳结构，在所述喷涂粒子之间形成空隙；
    对所述喷涂粒子进行退火处理，以形成抗眩层。
  9. 根据权利要求8所述的制作方法，其中，所述制备喷涂液，所述喷涂液包含具有外壳结构的喷涂粒子的步骤包括：
    提供喷涂粒子，所述喷涂粒子为透明有机树脂；
    将所述喷涂粒子混入不良溶剂中，并充分搅拌以使所述喷涂粒子形成悬浮液；
    向所述悬浮液中添加金属氧化物粉末，并充分搅拌以使所述金属氧化物包裹所述喷涂粒子；
    形成具有外壳结构的喷涂粒子的喷涂液。
  10. 根据权利要求9所述的制作方法，其中，
    所述用喷涂装置将所述喷涂液均匀喷涂到玻璃基板上以在所述玻璃基板上形成排列结构的步骤具体包括：
    用喷涂装置将所述喷涂液均匀喷涂到玻璃基板上；
    待所述喷涂液的不良溶剂挥发，以在所述玻璃基板上形成排列结构。
  11. 根据权利要求9所述的制作方法，其中，
    所述透明有机树脂为聚甲基丙烯酸甲酯、聚对苯二甲酸乙二醇酯或者聚碳酸酯。
  12. 根据权利要求8所述的制作方法，其中，
    所述外壳结构的厚度范围为0.5～10μm。
  13. 根据权利要求8所述的制作方法，其中，所述对所述喷涂粒子进行退火处理，以形成抗眩层的步骤之前包括：
    对所述喷涂粒子的空隙进行清洗，以将所述酸性液体清除。
  14. 根据权利要求8所述的制作方法，其中，所述对所述喷涂粒子进行退火 处理，以形成抗眩层的步骤具体包括：
    对所述喷涂粒子进行退火处理2～4次，以形成抗眩层。
  15. 根据权利要求8所述的制作方法，其中，
    所述酸性液体为无机酸性液体。
  16. 根据权利要求8所述的制作方法，其中，
    所述空隙的范围为1～20μm。
  17. 一种显示面板，所述显示面板包括玻璃基板和显示装置，其中，所述玻璃基板上制作有抗眩层，其中所述抗眩层的制作方法包括：
    制备喷涂液，所述喷涂液包含具有外壳结构的喷涂粒子；
    用喷涂装置将所述喷涂液均匀喷涂到玻璃基板上以在所述玻璃基板上形成排列结构；
    在所述排列结构上喷洒酸性液体，以去除所述具有外壳结构的喷涂粒子的外壳结构，在所述喷涂粒子之间形成空隙；
    对所述喷涂粒子进行退火处理，以形成抗眩层。
  18. 根据权利要求17所述的显示面板，其中，所述制备喷涂液，所述喷涂液包含具有外壳结构的喷涂粒子的步骤包括：
    提供喷涂粒子，所述喷涂粒子为透明有机树脂；
    将所述喷涂粒子混入不良溶剂中，并充分搅拌以使所述喷涂粒子形成悬浮液；
    向所述悬浮液中添加金属氧化物粉末，并充分搅拌以使所述金属氧化物包裹所述喷涂粒子；
    形成具有外壳结构的喷涂粒子的喷涂液。
  19. 根据权利要求18所述的显示面板，其中，所述用喷涂装置将所述喷涂液均匀喷涂到玻璃基板上以在所述玻璃基板上形成排列结构的步骤具体包括：
    用喷涂装置将所述喷涂液均匀喷涂到玻璃基板上；
    待所述喷涂液的不良溶剂挥发，以在所述玻璃基板上形成排列结构。
  20. 根据权利要求18所述的显示面板，其中，所述透明有机树脂为聚甲基丙烯酸甲酯、聚对苯二甲酸乙二醇酯或者聚碳酸酯。
PCT/CN2017/098449 2017-07-20 2017-08-22 抗眩层的制作方法及显示面板 Ceased WO2019015009A1 (zh)

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