WO2013084718A1 - 表面部材付きディスプレイ及びニュートンリング防止シート - Google Patents

表面部材付きディスプレイ及びニュートンリング防止シート Download PDF

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Publication number
WO2013084718A1
WO2013084718A1 PCT/JP2012/080192 JP2012080192W WO2013084718A1 WO 2013084718 A1 WO2013084718 A1 WO 2013084718A1 JP 2012080192 W JP2012080192 W JP 2012080192W WO 2013084718 A1 WO2013084718 A1 WO 2013084718A1
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WIPO (PCT)
Prior art keywords
particles
display
newton ring
less
prevention sheet
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PCT/JP2012/080192
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English (en)
French (fr)
Japanese (ja)
Inventor
京春 金
亮平 早川
和洋 野澤
好央 岡本
益生 小山
Original Assignee
株式会社きもと
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Priority to KR1020147016951A priority Critical patent/KR101949554B1/ko
Priority to CN201280059146.2A priority patent/CN103959361A/zh
Priority to JP2013548173A priority patent/JP6087292B2/ja
Publication of WO2013084718A1 publication Critical patent/WO2013084718A1/ja

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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/35—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being liquid crystals
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/313—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being gas discharge devices
    • 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
    • G02B5/0273—Diffusing elements; Afocal elements characterized by the use
    • G02B5/0278—Diffusing elements; Afocal elements characterized by the use used in transmission
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0273—Diffusing elements; Afocal elements characterized by the use
    • G02B5/0294—Diffusing elements; Afocal elements characterized by the use adapted to provide an additional optical effect, e.g. anti-reflection or filter

Definitions

  • the present invention relates to a display with a surface member in which the surface member is disposed on the display, and a Newton ring prevention sheet used therefor.
  • Patent Document 1 forms a plurality of protrusions formed mainly by particles in an uneven layer. As a result, even if a part of the surface member is bent, the distance between the uneven layer and the image display device is maintained at a certain level or more by the plurality of convex portions, thereby preventing Newton's ring.
  • the display with a surface member of the present invention is formed by disposing a surface member at an interval on the display, and the surface member has an uneven layer containing particles and a binder resin on the surface facing the display.
  • the Newton ring prevention sheet of this invention has an uneven
  • the particles have an anisotropy with an aspect ratio of 1.2 or more and 2.0 or less, and the particles are aligned along the direction in which the major axis direction intersects the thickness direction of the uneven layer. Is present in the concavo-convex layer.
  • the present invention includes the following aspects.
  • the display with a surface member and the Newton ring prevention sheet of the present invention can use particles having a curved surface portion on the surface, and the curved surface portion is elliptical.
  • the content of particles in the uneven layer can be 0.5 parts by weight or more and 5.0 parts by weight or less with respect to 100 parts by weight of the binder resin. .
  • particles having an average particle diameter of 0.5 ⁇ m or more and 8.0 ⁇ m or less can be used.
  • the display with a surface member and the Newton ring prevention sheet of the present invention have a thickness of 0.1 ⁇ m or more and 3.0 ⁇ m or less, and unevenness of 0.2 to 0.8 times the average particle diameter of contained particles. Layers can be used.
  • the “average particle size” is calculated by converting the particle volume measured by the Coulter counter method into a sphere.
  • an uneven layer having a difference in refractive index between the binder resin portion and the particle portion within 0.2 can be used.
  • a touch panel or a protective plate can be used as the surface member.
  • the Newton ring-preventing sheet of the present invention can be used in a direction in which a concavo-convex layer is arranged on the surface of the surface member arranged on the display at an interval so as to face the display.
  • the display with a surface member of the present invention configured by disposing a surface member with a space on the display has a concavo-convex layer containing particles having a special shape and a binder resin on the surface of the surface member facing the display. For this reason, even if a part of surface member bends, the space
  • the display with a surface member of the present invention can satisfy both Newton ring prevention and sparkle prevention simultaneously.
  • the Newton ring prevention sheet of the present invention has an uneven layer containing special particles and a binder resin. For this reason, when the Newton ring prevention sheet of the present invention is used in a direction in which the uneven layer is disposed on the surface of the surface member that is arranged on the display at a distance from the surface, a part of the surface member is Even if it bends, the same effect as described above can be obtained. That is, the Newton ring preventing sheet of the present invention can simultaneously satisfy both the Newton ring preventing property and the sparkle preventing property, like the display with the surface member.
  • FIG. 1 is a cross-sectional view showing an example of a display with a surface member of the present invention.
  • FIG. 2 is a cross-sectional view showing another example of the display with a surface member of the present invention.
  • FIG. 3A and FIG. 3B are diagrams for explaining the difference in the degree of occurrence of sparkle due to the difference in particles.
  • the displays 4 and 4 a with a surface member of this example are configured by disposing a surface member on the display 1 with a space.
  • Examples of the display 1 include a liquid crystal display device, a CRT display device, a plasma display device, and an EL display device.
  • the surface member of this example is not particularly limited in its structure.
  • corrugated layer 21 directly formed in the surface of the member main body 2 may be sufficient. Further, for example, as shown in FIG. 2, sticking in which the transparent base material 32 side of the Newton ring prevention sheet 3 having the uneven layer 31 on the transparent base material 32 is bonded to the surface of the member body 2 through the adhesive layer 33.
  • It may be a structure. That is, in this example, as a surface member, the laminated body (FIG. 1) of the member main body 2 and the uneven
  • surface member it shall mean either these laminated bodies and a bonding body.
  • the transparent substrate 32 examples include polyethylene terephthalate, polybutylene terephthalate, polyethylene naphthalate, polycarbonate, polyethylene, polypropylene, polystyrene, triacetyl cellulose, and acrylic.
  • a polyethylene terephthalate film that has been stretched, in particular biaxially stretched, is preferred because of its excellent mechanical strength and dimensional stability.
  • the thickness of the transparent substrate 32 is generally 25 to 500 ⁇ m, preferably 50 to 200 ⁇ m.
  • the surface member of this example is fixed facing the display 1 with a double-sided tape or adhesive around the uneven layer 21, 31 side. do it.
  • the distance between the surface member and the display 1 is usually about 50 ⁇ m to 5 mm, although it depends on the size of the display 1 and the type of the member body 2 constituting the surface member.
  • the member main body 2 of this example a protective plate, a touch panel, or the like can be given.
  • those having flexibility are such that the distance between the member main body 2 and the display 1 is partially narrowed when touched with a finger, and light interference fringes due to a thin layer of air sandwiched between them. (Newton ring) is likely to occur. For this reason, this invention exhibits a remarkable effect with respect to the member main body 2 of the type which has flexibility especially.
  • the protective plate as an example can be constituted by a transparent resin plate represented by an acrylic resin plate, for example.
  • the thickness of the protective plate is usually about 0.1 to 2.0 mm.
  • the method of the touch panel as an example is not particularly limited, and can be configured by, for example, a resistive touch panel, a capacitive touch panel, or the like.
  • These touch panels are shifting from glass substrates to plastic substrates due to the demand for weight reduction. For this reason, recent touch panels belong to a flexible type member. Therefore, it is easy to bend at the time of operation, and when this is used for the member main body 2, it is easy to produce a Newton ring between the display 1.
  • the resistive film type touch panel as an example includes, for example, an upper electrode having a transparent conductive layer on one surface of a transparent substrate and a lower electrode having a transparent conductive layer on one surface of the transparent substrate.
  • the transparent conductive layers of the lower electrode are opposed to each other, and a spacer is interposed therebetween.
  • the uneven layer 21 may be directly formed on the transparent substrate of the lower electrode for such a resistive touch panel.
  • the transparent base material 32 side of the Newton ring prevention sheet 3 can also be bonded together and formed in the transparent substrate of a lower electrode.
  • the capacitive touch panel as an example includes, for example, a plurality of sensor traces of a transparent resistor formed in a first dimension, a plurality of sensor traces of a transparent resistor formed in a second dimension, and a gap therebetween.
  • a transparent insulating material that is formed is provided as a basic configuration.
  • the uneven layer 21 may be directly formed on the transparent resistor of one dimension with respect to such a capacitive touch panel.
  • the Newton ring prevention sheet 3 can be formed by sticking the transparent base material 32 side onto a one-dimensional transparent resistor or insulator layer.
  • the uneven layers 21 and 31 of this example contain particles having a special shape and a binder resin.
  • the particles contained in the uneven layers 21 and 31 are not particularly limited as long as the aspect ratio thereof is 1.2 or more and 2.0 or less, preferably 1.8 or less.
  • rugby ball shape, mushroom shape, flat shape, oval shape, spheroid shape and the like can be mentioned.
  • the particles used in this example include not only primary particles but also aggregates (secondary particles) of several particles. Therefore, the range of the aspect ratio is based on primary particles or secondary particles.
  • trade name “Techpolymer” (Sekisui Chemicals Co., Ltd.) exists.
  • anisotropic means that the particles are not isotropic but physically oriented, that is, the particles used in this example have an aspect ratio in the above predetermined range. Yes. “Aspect ratio” means the ratio of the length and width of a circumscribed rectangle (the smallest rectangle when a particle figure is surrounded by a rectangle), and this value can be measured by, for example, a particle size distribution image analyzer.
  • the surface layers of this example including the uneven layers 21 and 31 are arranged on the display 1 with an interval by including the irregularly shaped layers 21 and 31 by containing particles of special shapes, and thereafter Even if the surface member is touched and, as a result, the distance between the member main body 2 constituting the surface member and the display 1 becomes narrow, it is possible to satisfy both the prevention of Newton ring and the prevention of sparkle.
  • the light generated from the display 1 is normally refracted when passing through a convex portion centered on particles.
  • a nearly spherical particle corresponding to a comparative example of the present invention
  • the angular distribution of the light refracted by the convex portion becomes wide.
  • particles having an aspect ratio of 1.2 or more corresponding to the embodiment of the present invention
  • the angular distribution of light refracted by the convex portion becomes narrow as shown in FIG. This difference is influenced by the difference in the slope of the convex portion due to the aspect ratio.
  • “Sparkle” is a phenomenon in which a pixel is disturbed due to light being refracted at a convex portion.
  • the aspect ratio is 1.2 or more, the angle distribution of the refracted light can be narrowed, so that the disturbance of the pixel can be reduced. It is thought that it is possible (it can make it hard to produce a sparkle).
  • Newton's ring prevention property is an effect obtained by forming a convex portion with particles and maintaining a distance from the opposing surface. For this reason, particles having an aspect ratio of 1.2 or more also have this effect. However, when the aspect ratio exceeds 2.0, the distance from the facing surface cannot be sufficiently maintained depending on the orientation of the particles, and Newton's ring prevention property becomes insufficient. Therefore, in this example, the upper limit of the aspect ratio is 2.0. Note that the upper limit of the aspect ratio is preferably 1.8 from the viewpoint of obtaining a relatively sufficient Newton ring prevention property.
  • the particles used in this example particles made of any of inorganic (inorganic particles) and organic (resin particles) can be used.
  • the resin particles are preferable in that the difference in refractive index from the binder resin can be easily reduced, thereby making it possible to easily prevent the whitishness and sparkle of the coating films (uneven layers 21 and 31).
  • the inorganic particles include silica, alumina, talc, clay, calcium carbonate, magnesium carbonate, barium sulfate, aluminum hydroxide, titanium dioxide, and zirconium oxide.
  • the resin particles include acrylic resin particles, silicone resin particles, nylon resin particles, styrene resin particles, polyethylene resin particles, benzoguanamine resin particles, and urethane resin particles.
  • the particles used in this example have an average particle size of preferably 0.5 ⁇ m or more, more preferably 0.8 ⁇ m or more, further preferably 1.5 ⁇ m or more, particularly preferably 2.0 ⁇ m or more, and most preferably 2.5 ⁇ m or more. It is.
  • the average particle diameter is preferably 8.0 ⁇ m or less, more preferably 5.0 ⁇ m or less, further preferably 4.0 ⁇ m or less, particularly preferably 3.0 ⁇ m or less, and most preferably 2.7 ⁇ m or less.
  • the “average particle size” is calculated by converting the particle volume measured by the Coulter counter method into a sphere. Therefore, in the specially shaped particles used in this example, the value on the long diameter side is larger than the value on the average particle diameter, and the value on the short diameter side is smaller than the average particle diameter.
  • the particles used in this example preferably include a curved surface portion on the surface, and the curved surface portion is preferably elliptical.
  • the curved surface portion is preferably elliptical.
  • the angle distribution of the light refracted by the convex portion can be narrowed and sparkle is less likely to occur than when the curved surface portion is a perfect circle.
  • the content of the particles used in this example is preferably 0.5 parts by weight or more, more preferably 1.0 parts by weight or more, preferably 5.0 parts by weight or less, with respect to 100 parts by weight of the binder resin. More preferably, it is 4.0 weight part or less, More preferably, it is 3.0 weight part or less, Most preferably, it is 2.5 weight part or less.
  • polyester resins acrylic resins, acrylic urethane resins, polyester acrylate resins, polyurethane acrylate resins, epoxy acrylate resins, urethane resins, epoxy resins, polycarbonate resins, cellulose resins, acetals Resin, vinyl resin, polyethylene resin, polystyrene resin, polypropylene resin, polyamide resin, polyimide resin, melamine resin, phenolic resin, silicone resin, fluorine resin, thermoplastic resin, heat Examples thereof include curable resins and ionizing radiation curable resins. Among these, ionizing radiation curable resins having excellent surface hardness are preferable.
  • the concavo-convex layers 21 and 31 of this example may further contain additives such as a leveling agent, an ultraviolet absorber, and an antioxidant.
  • a binder resin is dissolved and a coating liquid containing appropriate components is applied to the surface of the member body 2 or the transparent substrate 32, and then dried. And removing the solvent to form a resin film.
  • the particles having the special shape described above may be applied by being dispersed in a resin coating solution.
  • a resin coating liquid different from the binder resin coating liquid may be prepared, and this coating liquid may be applied to the surface of the member body 2 or the transparent substrate 32.
  • the solvent used in the coating liquid may be any solvent as long as it can be used as a coating liquid for coating, and any solvent can be used.
  • any method for coating the surface of the member main body 2 or the transparent substrate 32 with a coating liquid can be used.
  • one or more coating liquids containing binder resin and particles which are selected so that the difference in refractive index between the binder resin portion and the particle portion in the concavo-convex layers 21 and 31 is within 0.2, are used.
  • the concavo-convex layers 21 and 31 are preferably coated. Irregular layers 21 and 31 formed after such a coating liquid is applied to the member body 2 or the transparent substrate 32 and dried, or irregular layers 21 and 31 formed after the coating liquid is applied and dried and then irradiated with ionizing radiation, In FIG. 31, when the difference in refractive index between the binder resin portion and the particle portion is within 0.2, the present inventors have confirmed that it is easy to prevent both the whiteness of the coating film and the sparkle. .
  • arbitrary methods can be used as a method of hardening the resin at the time of using ionizing radiation curable resin for binder resin.
  • a light source such as a high pressure mercury lamp, a low pressure mercury lamp, an ultrahigh pressure mercury lamp, a metal halide lamp, a carbon arc, or a xenon arc can be used.
  • the particles used in this example are arranged along the direction in which the major axis direction intersects (preferably orthogonally) the thickness direction of the uneven layers 21 and 31. It is preferable. Due to the peculiarity of the particle shape used in this example, after a while after the coating liquid is applied, it tries to become mechanically more stable, and the major axis direction intersects the thickness direction of the uneven layers 21 and 31. It remains on the surface of the member main body 2 or the transparent substrate 32 along the direction. By arranging the particles in the concavo-convex layers 21 and 31 in this way, Newton's ring can be prevented, and as shown in FIG.
  • the angular distribution of the light refracted by the convex portion becomes narrower.
  • pixel disturbance can be suppressed and sparkle can be prevented. That is, it is possible to achieve both prevention of occurrence of both Newton ring and sparkle events.
  • the thickness of the concavo-convex layers 21 and 31 is preferably 0.1 ⁇ m or more, more preferably 0.5 ⁇ m or more, further preferably 0.8 ⁇ m or more, and particularly preferably 1. It is 0 ⁇ m or more, preferably 3.0 ⁇ m or less, more preferably 2.5 ⁇ m or less, further preferably 2.2 ⁇ m or less, and particularly preferably 1.8 ⁇ m or less. In particular, from the viewpoint of preventing the occurrence of Newton rings, it is preferably 0.8 times or less, more preferably 0.6 times or less, and even more preferably 0.5 times, based on the average particle diameter of the particles. The following.
  • the thickness of the concavo-convex layers 21 and 31 is preferably 0.2 times or more, more preferably 0.3 times or more, and further preferably more than 0.4 times the average particle diameter of the above particles (more than 0.4 times). ) Is preferable in that it is easy to prevent the particles from falling off the uneven layers 21 and 31.
  • the surface member (member main body 2 + uneven layer 21 or member main body 2+ adhesive layer 33 + Newton ring prevention sheet 3) is arranged on the display 1 with a space therebetween.
  • the display with the surface member 4, 4 a has the uneven layers 21, 31 of this example on the surface of the surface member facing the display 1. For this reason, even if a part of surface member bends, the space
  • the irregular layers 21 and 31 are formed by containing specially shaped particles, the angular distribution of the refracted light when passing through the convex portion centered on the particles can be narrowed.
  • the display 4 and 4a with the surface member of this example can satisfy the Newton ring prevention property and the sparkle prevention property at the same time.
  • Example 1 On one side of a 125 ⁇ m thick transparent polyester film (Cosmo Shine A4350: Toyobo Co., Ltd.), a coating liquid a having the following formulation was applied, dried, and irradiated with ultraviolet rays to form a concavo-convex layer having a thickness of 1.2 ⁇ m. A Newton ring prevention sheet was obtained. The difference in refractive index between the ionizing radiation curable resin and the particles blended in the coating solution of this example was within 0.2.
  • Example 2 A Newton ring prevention sheet of this example was obtained in the same manner as in Example 1 except that the acrylic resin particles of the coating liquid a were changed to the following. The difference in refractive index between the ionizing radiation curable resin and the particles blended in the coating solution of this example was within 0.2. ⁇ Acrylic resin particles (Techpolymer 69BT: Sekisui Plastics, Mushroom) (Average particle size: 2.53 ⁇ m, refractive index: 1.49, aspect ratio: about 1.2 to 1.6) (The mushroom umbrella is an elliptical curved surface)
  • Example 3 A Newton ring prevention sheet of this example was obtained in the same manner as in Example 1 except that the acrylic resin particles of the coating liquid a were changed to the following. The difference in refractive index between the ionizing radiation curable resin and the particles blended in the coating solution of this example was within 0.2. ⁇ Acrylic resin particles (Techpolymer 68BT: Sekisui Plastics, hemisphere) (Average particle diameter: 2.67 ⁇ m, refractive index: 1.49, aspect ratio 2.0) (Circular curved surface)
  • Example 4 A Newton ring prevention sheet of this example was obtained in the same manner as in Example 1 except that the acrylic resin particles of the coating liquid a were changed to the following.
  • the difference in refractive index between the ionizing radiation curable resin and the particles blended in the coating solution of this example exceeded 0.2.
  • ⁇ Inorganic particles (silica) (Rugby ball shape) (Average particle size: 2.65 ⁇ m, refractive index: 1.46, aspect ratio: about 1.4 to 1.8) (Designed to have an elliptical curved surface.)
  • Example 2 A Newton ring prevention sheet of this example was obtained in the same manner as in Example 1 except that the acrylic resin particles of the coating liquid a were changed to the following. ⁇ Acrylic-silicone hybrid resin particles (Silcurusta MK03: Nikko Rika Co., Ltd.) (Average particle diameter: 3.0 ⁇ m, aspect ratio 1.0)
  • Example 3 A Newton ring prevention sheet of this example was obtained in the same manner as in Example 1 except that the acrylic resin particles of the coating liquid a were changed to the following. ⁇ Acrylic resin particles (rugby ball shape) (Average particle diameter: 2.14 ⁇ m, refractive index: 1.49, aspect ratio 3.0) (Designed to have an elliptical curved surface.)
  • Example 4 since the concavo-convex layer contained particles having an aspect ratio in the range of the present invention, it was possible to sufficiently suppress sparkle while having Newton ring prevention properties. In particular, those in Examples 1 and 2 were particularly excellent in suppressing sparkle because the particles contained in the concavo-convex layer included a curved surface portion on the surface and the portion was elliptical. In Example 4, particles having an aspect ratio within the range of the present invention and having a curved surface portion on the surface and designed to have an elliptical shape were used, but the particle material was inorganic (silica). For this reason, the difference in refractive index from the resin exceeded 0.2, and the occurrence of a slight sparkle was confirmed, but it was determined that there was no problem in practical use.
  • Comparative Examples 1 and 2 since the aspect ratio of the particles in the concavo-convex layer was 1.0 (less than the lower limit of the range of the present invention), although it has Newton ring prevention properties, it can suppress sparkle. There wasn't. In Comparative Example 3, since the aspect ratio of the particles in the concavo-convex layer was 3.0 (exceeding the upper limit of the range of the present invention), the sparkle could be suppressed, but the Newton ring prevention property could not be exhibited. .
  • Example 5 This example is the same as Example 1 except that the content of acrylic resin particles in coating liquid a (content in terms of weight relative to 100 parts by weight of solid content of ionizing radiation curable resin) is changed to 5.5 parts by weight. Newton ring prevention sheet was obtained. In the same manner as described above, a display with a surface member was manufactured. Next, the above evaluation was performed. As a result, in this example, particles having an aspect ratio within the scope of the present invention and including a curved surface portion on the surface and an elliptical shape of the portion were used, but the particle content tends to be too much. Therefore, the transparency was slightly deteriorated and the occurrence of sparkle was confirmed slightly, but it was judged that there was no problem in practical use.
  • Example 6 This example was the same as Example 1 except that the content of acrylic resin particles in coating solution a (content in terms of weight relative to 100 parts by weight of solid content of ionizing radiation-curable resin) was changed to 0.4 parts by weight. Newton ring prevention sheet was obtained. In the same manner as described above, a display with a surface member was manufactured. Next, the above evaluation was performed. As a result, in the present example, particles having an aspect ratio within the scope of the present invention and a curved surface portion on the surface and designed in an elliptical shape were used, but the content of the particles tended to be small. Although the sparkle could be suppressed, the occurrence of a Newton ring was confirmed slightly. However, it was judged that there was no problem with this level of occurrence.
  • Example 7 Prepare acrylic resin particles to be blended in coating solution a with an average particle size of 0.3 ⁇ m and a refractive index of 1.49 (with an aspect ratio in the range of 1.2 to 2.0).
  • a Newton ring prevention sheet of this example was obtained in the same manner as in Example 1 except that.
  • a display with a surface member was manufactured.
  • the above evaluation was performed.
  • the aspect ratio was within the range of the present invention, since the particle diameter tended to be small, the sparkle could be suppressed, but the occurrence of Newton's ring was confirmed slightly. . However, it was judged that there was no problem with this level of occurrence.
  • Example 8 Prepare acrylic resin particles to be blended in coating solution a with an average particle diameter of 8.5 ⁇ m and a refractive index of 1.49 (however, the aspect ratio is in the range of 1.2 to 2.0).
  • a Newton ring prevention sheet of this example was obtained in the same manner as in Example 1 except that.
  • a display with a surface member was manufactured.
  • the above evaluation was performed.
  • the aspect ratio of this example was within the range of the present invention, but the particle size tended to be large, so the generation of Newton rings could be suppressed, but the occurrence of sparkle was confirmed slightly. did it. However, it was judged that there was no problem with this level of occurrence.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Laminated Bodies (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
PCT/JP2012/080192 2011-12-06 2012-11-21 表面部材付きディスプレイ及びニュートンリング防止シート WO2013084718A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1020147016951A KR101949554B1 (ko) 2011-12-06 2012-11-21 표면 부재가 부착된 디스플레이 및 뉴턴링 방지 시트
CN201280059146.2A CN103959361A (zh) 2011-12-06 2012-11-21 带表面构件的显示器及牛顿环防止片
JP2013548173A JP6087292B2 (ja) 2011-12-06 2012-11-21 表面部材付きディスプレイ及びニュートンリング防止シート

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JP2011266404 2011-12-06
JP2011-266404 2011-12-06

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JP (1) JP6087292B2 (zh)
KR (1) KR101949554B1 (zh)
CN (1) CN103959361A (zh)
TW (1) TWI601638B (zh)
WO (1) WO2013084718A1 (zh)

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WO2023008363A1 (ja) * 2021-07-29 2023-02-02 パナソニックＩｐマネジメント株式会社 反応硬化性組成物

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