WO2005045486A1 - 積層フィルム - Google Patents
積層フィルム Download PDFInfo
- Publication number
- WO2005045486A1 WO2005045486A1 PCT/JP2004/016415 JP2004016415W WO2005045486A1 WO 2005045486 A1 WO2005045486 A1 WO 2005045486A1 JP 2004016415 W JP2004016415 W JP 2004016415W WO 2005045486 A1 WO2005045486 A1 WO 2005045486A1
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- WIPO (PCT)
- Prior art keywords
- resin
- layer
- glass cloth
- cured
- laminated film
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/02—Layered products essentially comprising sheet glass, or glass, slag, or like fibres in the form of fibres or filaments
- B32B17/04—Layered products essentially comprising sheet glass, or glass, slag, or like fibres in the form of fibres or filaments bonded with or embedded in a plastic substance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/04—Layered products comprising a layer of synthetic resin as impregnant, bonding, or embedding substance
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
- G02B5/3033—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid
-
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/02—Composition of the impregnated, bonded or embedded layer
- B32B2260/021—Fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2305/00—Condition, form or state of the layers or laminate
- B32B2305/72—Cured, e.g. vulcanised, cross-linked
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/42—Polarizing, birefringent, filtering
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/514—Oriented
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/724—Permeability to gases, adsorption
- B32B2307/7242—Non-permeable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2315/00—Other materials containing non-metallic inorganic compounds not provided for in groups B32B2311/00 - B32B2313/04
- B32B2315/08—Glass
- B32B2315/085—Glass fiber cloth or fabric
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2457/00—Electrical equipment
- B32B2457/20—Displays, e.g. liquid crystal displays, plasma displays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2457/00—Electrical equipment
- B32B2457/20—Displays, e.g. liquid crystal displays, plasma displays
- B32B2457/202—LCD, i.e. liquid crystal displays
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2457/00—Electrical equipment
- B32B2457/20—Displays, e.g. liquid crystal displays, plasma displays
- B32B2457/206—Organic displays, e.g. OLED
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- 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
- G02F1/133302—Rigid substrates, e.g. inorganic substrates
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133528—Polarisers
-
- 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
- G02F2202/00—Materials and properties
- G02F2202/02—Materials and properties organic material
- G02F2202/022—Materials and properties organic material polymeric
- G02F2202/023—Materials and properties organic material polymeric curable
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- 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
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
- Y10T442/2926—Coated or impregnated inorganic fiber fabric
-
- 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
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
- Y10T442/2926—Coated or impregnated inorganic fiber fabric
- Y10T442/2992—Coated or impregnated glass fiber fabric
-
- 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
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/30—Woven fabric [i.e., woven strand or strip material]
- Y10T442/3065—Including strand which is of specific structural definition
-
- 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
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/30—Woven fabric [i.e., woven strand or strip material]
- Y10T442/3707—Woven fabric including a nonwoven fabric layer other than paper
Definitions
- the present invention mainly relates to a laminated film used as a laminate of a substrate and a polarizing plate, such as a liquid crystal display device and an organic electroluminescent display device.
- the plastic substrate also has a problem that the mechanical strength is relatively low.
- Patent Document 1 Japanese Patent Application Publication No. 2003-50384
- Patent Document 2 Japanese Patent Application Laid-Open No. 11 2812
- the above-mentioned conventional resin sheet is excellent in mechanical strength and low coefficient of thermal expansion, but responds to glass fiber due to curing contraction of the resin and cooling contraction after molding.
- a polarizing plate is laminated on the resin sheet to form a laminated film, for example, when a liquid crystal cell is manufactured using the laminated film, light leakage occurs in a black display state.
- the display quality of the image display device is deteriorated.
- the present invention provides a laminated film that is excellent in mechanical strength and low coefficient of thermal expansion and that can improve the display quality of an image display device.
- the present inventors have conducted intensive studies to solve the above-mentioned problems, and as a result, when the angle between the absorption axis of the polarizing plate and the weft or warp of the glass cloth is set to 5 degrees or less, almost no light leakage was observed. The inventor has found that this is no longer possible, and has completed the present invention.
- the present invention is a laminated film in which a resin sheet having a resin cured layer containing a glass cloth and a polarizing plate are laminated,
- An angle between the weft or warp of the glass cloth and the absorption axis of the polarizing plate is 5 degrees or less.
- the cured resin layer contains glass cloth, the cured resin layer is superior in mechanical strength and low thermal expansion coefficient as compared with the resin alone.
- the angle between the weft or warp of the glass cloth and the absorption axis of the polarizing plate is 5 degrees or less, and light leakage can be extremely reduced, the display quality of a liquid crystal display device or the like can be improved.
- the laminated film of the present invention is excellent in mechanical strength and low coefficient of thermal expansion, and has an effect that the display quality of an image display device can be improved.
- FIG. 1 is a cross-sectional view showing a laminated film of one embodiment.
- FIG. 2 is a top view of the laminated film of the embodiment, in which a part of the polarizing plate is broken.
- FIG. 3 is a cross-sectional view showing the laminated film of the embodiment.
- FIG. 1 is a sectional view showing one embodiment of the present invention.
- the laminated film of the present invention is configured by laminating a resin sheet 1 and a polarizing plate 3 as illustrated in FIG.
- the resin sheet 1 has a resin cured layer 4 including a glass cloth 2, and the resin cured layer 4 is composed of a glass cloth 2 and a cured resin 9; It is formed by being molded.
- the glass cloth 2 is embedded in the cured resin 9 constituting the cured resin layer 4 in a state along the surface direction of the cured resin layer 4 (a state parallel to the surface direction).
- FIG. 2 is a top view in which a part of a polarizing plate is broken in the laminated film of one embodiment.
- the angle R between the weft 5 or the warp 6 of the glass cloth 2 and the absorption axis L of the polarizing plate 3 is set to 5 degrees or less.
- the angle R between the weft 5 or the warp 6 and the absorption axis L of the polarizing plate 3 means the angle R when viewed from a direction perpendicular to the surface of the laminated film, as shown in FIG. I do.
- the resin sheet can be obtained, for example, by impregnating a glass cloth with resin before curing, and then molding and curing the sheet.
- a curing method methods such as heat curing, ultraviolet curing, and electron beam curing can be used alone or in combination.
- a thermosetting method is preferred from the viewpoint that the molded article after curing has excellent heat resistance.
- the resin serving as a matrix forming the cured resin includes polyester resin, polyethylene resin, polystyrene resin, polycarbonate resin, polyamide resin, and polyacetate.
- Thermoplastic resins such as resin, polyphenol-lensulphide resin, curable resins such as phenol resin, epoxy resin, vinyl ester resin, polyimide resin, melamine resin and urea resin. They can be used alone or in combination.
- a curable resin in which the state before curing is a liquid, particularly an epoxy resin, is preferable.
- epoxy resin conventionally known epoxy resins can be used, and examples thereof include bisphenol A type, bisphenol F type, bisphenol S type, and bisphenol types such as hydrogenated kamushi; Novolak type such as phenol novolak type and cresol novolak type; nitrogen-containing ring type such as tridaricidyl isocyanurate type ⁇ hindantoin type; alicyclic type; aliphatic type; aromatic type such as naphthalene type; glycidyl ether type ⁇ Low water absorption type such as biphenyl type; dicyclo type such as dicyclopentadiene type; ester type; ether ester type; and modified types thereof.
- epoxy resins bisphenol A type epoxy resin, alicyclic epoxy resin, triglycidyl isocyanurate type epoxy resin, and dicyclopentadiene type epoxy resin are used from the viewpoint of discoloration prevention properties and the like. Fat is preferred.
- these epoxy resins may be used alone or in combination of two or more. However, from the viewpoint that heat resistance, toughness, and low birefringence are exhibited in an excellent balance, a combination of the dicyclopentene type epoxy resin and the alicyclic epoxy resin is preferable.
- Examples of the bisphenol A type epoxy resin include those represented by the following chemical formula (1).
- n is, for example, an integer of 0-2.
- alicyclic epoxy resin for example, 3,4-epoxycyclohexylmethyl-3,4-epoxycyclohexanecarboxylate represented by the following chemical formula (2) or the following chemical formula (3) Things.
- n is an integer of 120
- R is an alkyl group.
- Examples of the dicyclopentadiene type epoxy resin include epoxy resins represented by the following chemical formulas (4) and (5).
- n is an integer of 1 to 3.
- the epoxy resin represented by the chemical formula (4) or (5) is particularly preferable. If these resins are used, the thickness direction retardation of the cured resin layer can be controlled to a small value. As described above, when the thickness direction retardation is small, when the laminated film is used in a liquid crystal display device, light leakage in an oblique direction in black display is suppressed, and the display characteristics are further improved.
- the epoxy resin preferably has, for example, an epoxy equivalent of 100-1000 (g / eq) and a softening point of 120 degrees or less in improving the flexibility and strength of the cured resin layer to be formed. Better More preferably, the epoxy equivalent is 150-500 (gZeq) and the softening point is 80 ° C or less. Further, the epoxy resin is preferably liquid at normal temperature (for example, 5-35 ° C.).
- a two-pack type epoxy resin that is in a liquid state at or below the temperature at the time of coating, particularly at room temperature, is excellent because of its excellent spreadability and coatability.
- the proportion of ⁇ cured product (except the glass cloth! Was intended) is, for example, a 20-80 weight 0/0, preferably 25- 75 weight 0/0, more preferably 30 to 70 by weight%.
- the proportion of glass cloth in the cured resin layer is, for example, 20 to 80% by weight, preferably 25 to 75% by weight, and more preferably 30 to 70% by weight.
- the additive examples include a curing agent, a curing accelerator, an antioxidant, a denaturant, a surfactant, a dye, a pigment, a discoloration inhibitor, an ultraviolet absorber, and a photoinitiator.
- the proportion of the resin in the cured resin is usually 30 to 100% by weight, preferably 40 to 90% by weight, more preferably 40 to 80% by weight.
- the mixing ratio of each component in the cured resin is adjusted so that the difference in the refractive index between the glass cloth and the cured resin is 0.01 or less in order to maintain transparency after curing. Is preferred.
- the curing agent is not particularly limited !, but examples thereof include organic acid compounds such as tetrahydrophthalic acid, methyltetrahydrophthalic acid, hexahydrophthalic acid, and methylhexahydrophthalic acid, and ethylenediamine. And amine-based compounds such as propylenediamine, diethylenetriamine, triethylenetetramine, amine amines thereof, metaphenylenediamine, diaminediphenylmethane, diaminodiphenylsulfonic acid and the like. These curing agents may be used alone or in combination of two or more.
- amide compounds such as dicyandiamide and polyamide
- hydrazide compounds such as dihydrazide, methylimidazole, 2-ethyl-4-methylimidazole, ethildimidazole , Isopropylimidazole, 2,4-dimethylimidazole, phe-imidazole, pendecylimidazole, heptadecylimidazole Azoles
- imidazole compounds such as 2-phenyl-4-methylimidazole, methylimidazoline, 2-ethylethyl-4-methylimidazoline, etinoleimidazoline, isopropylimidazoline, 2,4 dimethylimidazoline, fueroimidazoline, pendecylimidazoline And imidazoline compounds such as heptadecylimidazoline, 2-fluoro-4-methylimi
- acid anhydride compounds and the like can also be used as the curing agent, and such acid anhydride compounds are preferable in terms of, for example, discoloration prevention properties.
- Specific examples include phthalic anhydride, maleic anhydride, trimellitic anhydride, pyromellitic anhydride, nadic anhydride, glutaric anhydride, tetrahydrophthalic anhydride, methyltetrahydrophthalic anhydride, and hexahydrophthalic anhydride.
- these acid anhydride compounds those which are colorless or pale yellow and have a molecular weight of about 140 to about 200 are preferred.
- phthalic anhydride, tetrahydrophthalic anhydride, hexahydro Examples include phthalic anhydride, methylhexachlorophthalic anhydride, and methylnadic anhydride.
- the mixing ratio of the epoxy resin and the curing agent is not particularly limited, but an anhydride-based curing agent is used as the curing agent.
- an anhydride-based curing agent is used as the curing agent.
- the acid anhydride is added in an amount of 0.5 to 1.5 equivalents, more preferably 0.5 to 1.5 equivalents, per equivalent of the epoxy group of the epoxy resin. 7 One-1.2 equivalents.
- the compounding amount of the acid anhydride is 0.5 equivalent or more, the hue after curing is further excellent, and when it is 1.5 equivalent or less, sufficient moisture resistance can be maintained.
- another curing agent or in the case where two or more curing agents are used in combination, for example, they can be blended in accordance with the above-described ratio.
- the curing accelerator is not particularly restricted but includes, for example, tertiary amines, imidazoles, quaternary ammonium salts, quaternary phospho-dium salts, organic metal salts, And urea-based compounds. Among them, tertiary amines, imidazo and the like are particularly preferable. And quaternary phosphonium salts.
- tertiary amines, imidazo and the like are particularly preferable.
- quaternary phosphonium salts One of these curing accelerators may be used alone, or two or more thereof may be used in combination.
- the mixing ratio of the curing accelerator in the cured resin is not particularly limited and can be appropriately determined depending on the type of the resin used and the like.
- the curing accelerator is preferably used in an amount of, for example, 0.05 to 7.0 parts by weight with respect to 100 parts by weight of the epoxy resin. A range of parts by weight is more preferred. If the blending ratio of the curing accelerator is 0.05 parts by weight or more, a sufficient curing promoting effect can be obtained, and if it is 7.0 parts by weight or less, the hue after curing becomes excellent.
- the antioxidant is not particularly limited, and for example, a conventionally known one such as a phenolic compound, an amine compound, an organic sulfur compound or a phosphine compound can be used.
- the modifier is not particularly limited, and for example, conventionally known modifiers such as glycols, silicones, and alcohols can be used.
- surfactant for example, various surfactants such as silicone, acrylic, and fluorine can be used, and among them, silicone is preferable. These surfactants are added, for example, when the resin is cured while being brought into contact with air to form a resin sheet, so as to smooth the sheet surface.
- the resin sheet may be formed by separately laminating a layer made of only a resin cured material, which does not include a glass cloth and a resin cured layer including a glass cloth.
- the absolute value of the difference between the average refractive indices of the cured resin and the glass cloth is preferably from 0 to 0.01, more preferably from 0 to 0.01. 0.008, particularly preferably 0-0.006. If the absolute value is 0.01 or less, the interface scattering between the glass cloth and the cured resin can be sufficiently suppressed, the haze of the resin sheet can be reduced, and the inherent transparency of the cured resin can be sufficiently improved. Because it can be maintained.
- the average refractive index of the glass cloth and the cured resin is measured at 25 ° C and 589 nm using an Abbe refractometer for the sheet of the glass cloth alone and the sheet of the cured resin only. Can be measured.
- the average refractive index means the average value of nx, ny, and nz.
- nx, ny, and nz are the X-axis, Y-axis, and Z-axis Means the refractive index.
- the X-axis direction means the axis direction showing the maximum refractive index in the plane of each sheet
- the Y-axis direction means the axis direction perpendicular to the X-axis direction in the plane.
- the Z-axis direction means an axis direction perpendicular to the plane.
- the average refractive index of each of the cured resin and the glass cloth is preferably 0.01 or less.
- Examples of a method for adjusting the average refractive index of the cured resin to 0.01 or less include, for example, a method of appropriately adjusting the amounts of various additives (for example, a curing agent) to be mixed with the resin.
- various additives for example, a curing agent
- the ⁇ sheet is preferably in linear expansion coefficient force 3. 00 X 10- 5 Z ° C hereinafter to 160 ° C from 25 ° C.
- the linear expansion coefficient is more preferably 2. 00 X 10- 5 Z ° C or less, particularly preferably 1. less 5 X 10- 5 Z ° C.
- the coefficient of linear expansion is calculated by obtaining a TMA measurement value of the object to be measured by the TMA method specified in JIS K-7197, and substituting this value into the following equation.
- a ls (T) and A ls (T) are the TM at the temperature T (° C) and T (° C) at the time of measurement.
- A indicates the measured value ( ⁇ m)
- L indicates the length (mm) of the DUT at room temperature 23 ° C.
- the resin sheet has a haze value of preferably 10% or less, more preferably 3% or less, and particularly preferably 2% or less.
- the haze value is measured based on JIS 7136. Specifically, it is measured using a commercially available haze meter (for example, trade name “ ⁇ -150”, manufactured by Murakami Color Co., Ltd.).
- the resin sheet has a light transmittance of preferably 85% or more, more preferably 88% or more, and particularly preferably 90% or more.
- the light transmittance is 85% or more, for example, when used as a liquid crystal cell substrate or an organic EL device substrate and assembling various image display devices, the characters and images become clearer and the display quality is more excellent. It will be.
- the light Transmittance can be determined by measuring the total light transmittance at a wavelength of 550 nm using a spectrophotometer.
- the resin cured layer and the resin sheet have an in-plane retardation of preferably 5 nm or less, more preferably 0 to 3 nm, and particularly preferably 0 to 1 nm.
- the in-plane retardation is 2 nm or less
- the contrast of the image display device particularly the contrast in the oblique direction, is further improved, and excellent display quality is exhibited. It becomes.
- the retardation in the thickness direction of the cured resin layer and the resin sheet is preferably 40 nm or less, more preferably 0 to 20 nm, and particularly preferably 0 to lOnm. If the phase difference in the thickness direction is 40 nm or less, light leakage from the oblique direction is more sufficiently suppressed when used in an image display device as described above, and the contrast in the oblique direction is further improved. This indicates the display quality.
- the thickness direction retardation is set to 40 nm or less, particularly 20 ⁇ m or less, it is particularly preferable to use the epoxy resin represented by the formula (4) or (5) as the resin.
- nx, ny, and nz indicate the refractive indices of the cured resin layer in the X-axis, Y-axis, and Z-axis directions, respectively, and d indicates the thickness of the cured resin layer.
- the X-axis direction means an axial direction showing the maximum refractive index in the plane of the resin cured layer
- the Y-axis direction is relative to the X-axis in the plane.
- the vertical axis direction means the Z axis direction
- the Z axis direction means the axis direction perpendicular to the plane.
- Each refractive index is a value measured by an Abbe refractometer at 25 ° C and 589 nm.
- the surface is smooth.
- Rt surface roughness
- surface roughness refers to a stylus type surface roughness measuring instrument (for example, trade name P-11; The difference between the maximum value and the minimum value measured under the conditions of a long wavelength cutoff of 800 m, a short wavelength cutoff of 250 m, and an evaluation length of 10 mm by Tencor Corporation.
- the thickness of the cured resin layer in the resin sheet is not particularly limited, but is preferably, for example, in the range of 20 to 800 m. If the thickness is 20 m or more, sufficient strength and rigidity can be maintained, and if the thickness is 800 m or less, for example, thinning and light weight can be sufficiently realized.
- the thickness is more preferably from 30 to 500 ⁇ m, particularly preferably from 50 to 300 ⁇ m.
- the resin sheet further includes at least a hard coat layer that is harder than the resin cured layer and a gas barrier layer that is more excellent in gas barrier properties than the cured layer.
- a laminate including both the hard coat layer 7 and the gas noria layer 8 is preferred, and the hard coat layer 7 is laminated as the outermost layer. Is preferred. If the hard coat layer 7 is laminated as the outermost layer, for example, the scratch resistance and the like of the sheet can be improved.
- image display devices of liquid crystal display devices when moisture or oxygen penetrates the liquid crystal cell substrate and enters the liquid crystal cell, the quality of the liquid crystal is changed and bubbles are generated. May decrease.
- the gas barrier layer is laminated, permeation of gas such as moisture and oxygen is prevented.
- the hard coat layer and the gas barrier layer may be laminated on one of the surfaces, respectively, or may be laminated on both surfaces.
- the hard coat layer is preferably laminated at least on the side surface where the polarizing plate is not laminated.
- the lamination order is not particularly limited, but the gas noria layer and the hard coat layer are laminated on the resin cured layer in this order. Is preferred.
- the hard coat layer is preferably laminated as the outermost layer because it has excellent impact resistance and chemical resistance!
- the material for forming the hard coat layer is not particularly limited, but includes, for example, melamine resin, urethane resin, acrylic resin, silicone resin and the like.
- resins include, for example, polyarylate resins, sulfone resins, amide resins, imide resins, polyethersulfone resins, polyetherimide resins, and polycarbonate resins.
- Fluorine resin, polyolefin resin, styrene resin, vinylpyrrolidone resin , A cellulose-based resin, an acrylonitrile-based resin, or the like can be used as a mixture.
- urethane acrylate which is more preferably urethane-based resin, is more preferable.
- the thickness of the hard coat layer is not particularly limited, but is usually, for example, 0.5 to 50 m from the viewpoint of easy peeling at the time of manufacturing and prevention of generation of cracks at the time of peeling. , Preferably in the range of 18 to 18 ⁇ m, and more preferably in the range of 1.5 to 5 ⁇ m.
- Examples of the type of the gaseous layer include an organic gaseous layer and an inorganic gaseous layer.
- the material for forming the organic gas barrier layer is not particularly limited. Materials and the like can be used, and among these, a bul alcohol-based polymer is particularly preferable because of its high gas nori point.
- the thickness of the organic gas barrier layer is, for example, 10 m or less in terms of transparency, prevention of coloring, functions such as gas barrier properties, thinning, and flexibility of the obtained resin sheet. Is more preferably 2 to 10 m, and still more preferably 3 to 5 m. When the thickness is 10 m or less, a lower yellowness index (YI value) can be maintained in the resin sheet, and when the thickness is 2 m or more, a sufficient gas barrier function is maintained.
- YI value yellowness index
- the inorganic gas noria layer for example, transparent materials such as silicon oxide, magnesium oxide, aluminum oxide, zinc oxide, and the like can be used. Silicon oxide and silicon nitride are preferred because of their gas barrier properties and excellent adhesion to the substrate layer.
- the ratio of the number of oxygen atoms to the number of silicon atoms is 1.
- the gas barrier properties, transparency, surface flatness, flexibility, film stress, cost, and the like of the inorganic gas barrier layer are further improved.
- the maximum value of the ratio of the number of oxygen atoms to the number of silicon atoms is 2.0.
- the thickness of the inorganic gas barrier layer is not particularly limited, but is preferably, for example, in the range of 5 to 200 nm. When the thickness is 5 nm or more, for example, more excellent gas barrier properties can be obtained, and when the thickness is 200 nm or less, transparency, flexibility, film stress, and cost are excellent. .
- the thickness of the resin sheet differs depending on the number of layers, but the thickness of the resin sheet is, for example, in the range of 20 to 800 m. Preferably, it is more preferably in the range of 30-500 ⁇ m, particularly preferably in the range of 50-300 ⁇ m.
- the resin sheet may include only one resin cured layer containing glass fibers, or may include two or more layers. .
- glass cloth means a cloth woven using yarns obtained by twisting glass fibers as warps and wefts.
- the glass cloth is usually woven so that the warp and the weft are orthogonal to each other in a top view.
- a yarn in which about 100 to 800 long glass fibers (filaments) having a circular or elliptical cross section and a maximum cross-sectional diameter of about 310 m can be used.
- the thickness of the glass cloth is usually 10 to 500 m, preferably 15 to 350 ⁇ m at the thickest part.
- weaving methods include plain weave, twill weave, and satin weave.
- soda glass As the material of the glass fiber, soda glass, borosilicate glass, non-alkali glass, and the like are used, but alkali-free glass is preferable because an alkali component may adversely affect the TFT and the like.
- the method for producing the resin sheet in the present invention is not particularly limited.
- a method for producing a conventionally known pre-predder formed by impregnating the glass cloth with the resin and then heating or irradiating with ultraviolet rays. can be adopted. Specifically, for example, it can be performed as follows.
- a liquid resin is applied to a flat mold, and then a glass cloth is disposed thereon, and the glass cloth is impregnated with the resin. Then, for example, the resin is cured by performing a heat treatment or UV irradiation to form a cured resin layer including a glass cloth. Also, a glass cloth is immersed in a liquid resin (immersion step), and the resin is contained in the mesh of the glass cloth in that state, and then the glass cloth is placed on a flat plate mold or the like, and heated or irradiated with UV light. By doing so, a resin cured layer containing glass cloth can be formed. Further, an endless belt or a plastic film may be used instead of the flat mold.
- the immersion step may be performed at normal pressure. However, it is preferable to perform the immersion under reduced pressure, because if it is performed under reduced pressure, it becomes easier for the mesh of the glass cloth to contain resin.
- the applied resin or the like may be subjected to a curing treatment such as a heating treatment or a light irradiation treatment as necessary.
- a curing treatment such as a heating treatment or a light irradiation treatment
- the curing conditions are not particularly limited, but, for example, are preferably at 100 to 200 ° C for 10 minutes to 5 hours.
- the epoxy resin When an epoxy resin is used as the resin for forming the cured resin, the epoxy resin may be dispersed or dissolved in a solvent to prepare an epoxy resin solution, and this may be used.
- the solvent is not particularly limited, but for example, methyl ethyl ketone, acetone, methyl isobutyl ketone, toluene, xylene, ethyl acetate and the like can be used.
- the epoxy resin solution dissolved in the liquid epoxy resin solvent may be appropriately supplemented with other resins and various additives as described above.
- the resin sheet is a laminate including a hard coat layer
- a glass cloth is arranged on the hard coat layer, and the same as described above. Then, the resin cured layer may be formed. Further, a hard coat layer may be formed on an endless belt or substrate made of stainless steel or the like, and then the hard coat layer may be bonded to a resin cured layer in which glass cloth is embedded.
- the method for forming the hard coat layer is not particularly limited, and a coating liquid is prepared by mixing the above-described forming material with a solvent, applied to a substrate, and air-dried and heat-cured. Or a method of curing by ultraviolet irradiation or the like.
- the coating method is not particularly limited, and includes, for example, conventionally known methods such as a roll coating method, a spin coating method, a wire bar coating method, a dip coating method, an etastrusion method, a curtain coating method, and a spray coating method. Law can be adopted.
- a resin sheet including a gas noria layer for example, the hard coat formed as described above is used. After the gas nolia layer is formed on the layer, a resin cured layer containing a glass cloth may be formed in the same manner as described above.
- the method for forming the gas barrier layer is not particularly limited, and a conventionally known method can be appropriately employed.
- the polarizing plate for example, a film obtained by impregnating polyvinyl alcohol with iodine, stretching the film, and attaching a protective film to the polarizer, and laminating a compensator, an adhesive, an antireflection film, a diffusion film, and the like on the polarizing plate.
- a film obtained by impregnating polyvinyl alcohol with iodine stretching the film, and attaching a protective film to the polarizer, and laminating a compensator, an adhesive, an antireflection film, a diffusion film, and the like on the polarizing plate.
- a compensator for example, an adhesive, an antireflection film, a diffusion film, and the like
- Examples of a method of laminating the resin sheet and the polarizing plate include a method of laminating using a pressure-sensitive adhesive or an adhesive, and a method of fixing using a jig such as a metal frame.
- the resin sheet and the polarizing plate need not necessarily be in contact with each other as long as the laminated state is maintained, and the resin sheet and the polarizing plate are laminated via another layer (for example, an air layer) or the like. You may.
- the lamination of the resin sheet and the polarizing plate is such that the polarizing plate is damaged by heat or a solvent. It may be performed at any timing after the process.
- the laminated film of the present invention can be used for various applications, and for example, can be used as a laminate of a substrate and a polarizing plate in a liquid crystal display device, an EL display device, and the like.
- the liquid crystal display device generally includes a laminate of a liquid cell substrate for holding liquid crystal and a polarizing plate on both the viewing side and the non-viewing side. It is configured with a reflector or a knock light.
- the laminated film of the present invention can be used as a laminate of a liquid crystal cell substrate on the viewing side or the non-viewing side and a polarizing plate in such a liquid crystal display device.
- the laminated film used as a laminate of the liquid crystal cell substrate and the polarizing plate on the viewing side of the liquid crystal display device includes a light diffusing plate, an antiglare layer, an antireflection film,
- the protective layer or the protective plate may be laminated.
- an optical component such as a compensating retardation plate may be laminated between the resin cured layer and the polarizing plate.
- the EL display device generally includes a transparent electrode, an organic luminescent layer including a luminous body (organic electroluminescent material), and a metal electrode on the back side of a transparent substrate (EL display substrate).
- a transparent electrode an organic luminescent layer including a luminous body (organic electroluminescent material), and a metal electrode on the back side of a transparent substrate (EL display substrate).
- organic luminescent layer including a luminous body (organic electroluminescent material)
- a metal electrode on the back side of a transparent substrate (EL display substrate).
- the laminated film of the present invention can be used as a laminate of a transparent substrate and a polarizing plate in such an EL display device.
- epoxy resin As the resin, 27 parts (parts by weight, hereinafter the same) of 3,4 epoxycyclohexylmethyl-3,4 epoxycyclohexanecarboxylate represented by the chemical formula (2) and bisphenol A represented by the chemical formula (1) are used. 73 parts of epoxy resin (trade name "AER250" (epoxy equivalent 190), manufactured by Asahi Kasei Corporation) 108 parts of methylhexahydrophthalic anhydride represented by the following chemical formula (6) as a curing agent, and as a curing accelerator Then, 3.75 parts of tetra-n-butylphospho-dimethyl o, o-getylphosphodithioate represented by the following chemical formula (7) was stirred and mixed to prepare an epoxy resin composition.
- AER250 epoxy equivalent 190
- a glass cloth (trade name “WLT116F”, manufactured by Nitto Boshoku Co., Ltd.) using glass having a refractive index of 1.53 was impregnated with the epoxy resin composition, and allowed to stand under reduced pressure (200 Pa) for 10 minutes.
- a coating solution prepared by dissolving 17 parts of urethane acrylate shown by the following chemical formula (8) and 5 parts of a photoinitiator (trade name “IRGACURE 184”, manufactured by Chinoku Specialty Chemicals) in 100 parts of toluene was applied on a glass plate by a wire bar coating method, air-dried, and then cured using a UV curing device.
- Curing conditions were set to 200 mi / cm 2 for 1 minute using a high pressure mercury lamp. Thus, a hard coat layer having a thickness of 2 m was formed. Subsequently, a glass cloth impregnated with the above-mentioned epoxy resin composition was adhered thereon, and this was sequentially heated at 120 ° C for 1 hour, 150 ° C for 30 minutes, and 180 ° C for 30 minutes. The epoxy resin composition was cured to form a cured resin layer, and then the glass sheet was peeled off to obtain a resin sheet having a thickness of 100 m.
- the refractive index of the cured resin layer of the obtained resin sheet was 1.53.
- the resin sheet was cut into a rectangle so that the weft of the glass cloth was at an angle of 45 degrees to the long side.
- a polarizing plate with adhesive cut in a rectangular shape so that the angle between the long side and the absorption axis is 45 degrees, is stuck together with the long sides together, and the glass cloth weft and the polarizing plate are attached.
- the laminated film of Example 1 in which the angle made with the absorption axis of It was.
- Example 2 Except for using a polarizing plate with an adhesive cut in a rectangular shape so that the angle between the long side and the absorption axis was 48 degrees, the absorption of the weft of the glass cloth and the polarizing plate was performed in the same manner as in Example 1.
- the laminated film of Example 2 having an angle of 3 degrees with the axis was obtained.
- Example 3 Except for using a polarizing plate with an adhesive that was cut into a rectangular shape so that the angle between the long side and the absorption axis was 50 degrees, the weft of glass cloth and the absorption of the polarizing plate were the same as in Example 1.
- the laminated film of Example 3 was formed at an angle of 5 degrees with the axis.
- Comparative Example 1 Except for using a polarizing plate with an adhesive cut in a rectangular shape so that the angle between the long side and the absorption axis was 53 degrees, the weft of the glass cloth and the absorption axis of the polarizing plate were the same as in Example 1. The laminated film of Comparative Example 1 in which the angle formed was 8 degrees was obtained.
- Example 2 Except for using a polarizing plate with an adhesive cut in a rectangular shape so that the angle between the long side and the absorption axis was 55 degrees, the weft of the glass cloth and the absorption axis of the polarizing plate were used in the same manner as in Example 1. Thus, the laminated film of Comparative Example 2 was formed at an angle of 10 degrees.
- Example 1 The epoxy resin composition used in Example 1 was applied to a thickness of 100 m on a glass plate on which a node coat layer was formed by the method of Example 1 to obtain a resin sheet containing no glass cloth. Except for the above, a laminated film of Comparative Example 4 was obtained in the same manner as in Example 1.
- a test piece was obtained by bonding another polarizing plate to the non-laminating surface of the polarizing plate of each of the laminated films of Examples and Comparative Examples so as to form an angle of 90 degrees with the absorption axis direction of the polarizing plate.
- the light transmittance (orthogonal transmittance) was measured with a spectrophotometer, and the presence or absence of light leakage was visually evaluated by ⁇ and X.
- Example 3 5 degrees 0.04 ⁇ 12X10 "6Z ° C Comparative example 1 8 degrees 0.05 X 12 XI ridges.
- C Comparative example 2 10 degrees 0.06 X i2 ia 6 / ° c Comparative example 3 45 degrees 0. 30 X 12X10- G / ° C Comparative Example 4 ⁇ 0.02 ⁇ 75 XIh 6, .C
- the test pieces using the laminated films of Examples 13 to 13 have the orthogonal transmittance. At 0.04 or less, light leakage was not visually recognizable, indicating that the advantage of using glass cloth, that is, a low coefficient of thermal expansion, was achieved while light leakage was reduced.
- the test piece using the laminated film showed a higher transmittance and an excessive light leakage than that of Comparative Example 2. Therefore, the liquid crystal display device was manufactured using the laminated film of Comparative Example 3. It is expected that the contrast will be reduced when the film is manufactured, and that the laminated film of Comparative Example 4 has a large linear expansion coefficient and lacks dimensional stability.
- the laminated films of Comparative Example 1 and Example 3 differ only in the difference in orthogonal transmittance by 0.01 from the standpoint of visual light leakage. Despite the power that could not be confirmed at all, light leakage was sufficiently observed visually in Comparative Example 1.
- the laminated film of Comparative Example 2 had an orthogonal transmittance of 0.06, and the laminated film of Comparative Example 1 had a cross transmittance of 0.06. Light leakage was visually observed, which was stronger than that of.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Laminated Bodies (AREA)
- Liquid Crystal (AREA)
- Electroluminescent Light Sources (AREA)
- Polarising Elements (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/578,308 US20070117485A1 (en) | 2003-11-06 | 2004-11-05 | Laminated film |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003-377151 | 2003-11-06 | ||
| JP2003377151A JP2005140980A (ja) | 2003-11-06 | 2003-11-06 | 積層フィルム |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2005045486A1 true WO2005045486A1 (ja) | 2005-05-19 |
Family
ID=34567132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2004/016415 Ceased WO2005045486A1 (ja) | 2003-11-06 | 2004-11-05 | 積層フィルム |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20070117485A1 (ja) |
| JP (1) | JP2005140980A (ja) |
| KR (1) | KR20060115735A (ja) |
| CN (1) | CN100368834C (ja) |
| WO (1) | WO2005045486A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009265611A (ja) * | 2008-04-29 | 2009-11-12 | Samsung Electronics Co Ltd | 表示装置 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2012295A4 (en) * | 2006-04-24 | 2011-03-09 | Nitto Denko Corp | REINFORCEMENT SHEET FOR IMAGE DISPLAY, IMAGE DISPLAY AND REINFORCEMENT METHOD THEREOF |
| US7977170B2 (en) * | 2006-10-03 | 2011-07-12 | Eastman Kodak Company | Flexible substrate with electronic devices and traces |
| US20080252827A1 (en) * | 2007-04-11 | 2008-10-16 | Nitto Denko Corporation | Laminated optical film and production method thereof |
| JP4945363B2 (ja) * | 2007-07-30 | 2012-06-06 | 株式会社日立製作所 | バックエンドで接続されるストレージシステム |
| WO2009041133A1 (ja) * | 2007-09-26 | 2009-04-02 | Sharp Kabushiki Kaisha | 照明装置および表示装置 |
| USRE45394E1 (en) | 2008-10-20 | 2015-03-03 | X6D Limited | 3D glasses |
| USD624952S1 (en) | 2008-10-20 | 2010-10-05 | X6D Ltd. | 3D glasses |
| USD603445S1 (en) | 2009-03-13 | 2009-11-03 | X6D Limited | 3D glasses |
| USD666663S1 (en) | 2008-10-20 | 2012-09-04 | X6D Limited | 3D glasses |
| CA2684513A1 (en) * | 2008-11-17 | 2010-05-17 | X6D Limited | Improved performance 3d glasses |
| US8542326B2 (en) | 2008-11-17 | 2013-09-24 | X6D Limited | 3D shutter glasses for use with LCD displays |
| TWI403531B (zh) * | 2009-03-09 | 2013-08-01 | 松下電器產業股份有限公司 | 透明薄膜 |
| USD646451S1 (en) | 2009-03-30 | 2011-10-04 | X6D Limited | Cart for 3D glasses |
| KR101051634B1 (ko) * | 2009-04-28 | 2011-07-26 | 제일모직주식회사 | 디스플레이 패널용 플렉서블 기판 및 그 제조 방법 |
| USD672804S1 (en) | 2009-05-13 | 2012-12-18 | X6D Limited | 3D glasses |
| USD650956S1 (en) | 2009-05-13 | 2011-12-20 | X6D Limited | Cart for 3D glasses |
| WO2011052705A1 (en) * | 2009-10-27 | 2011-05-05 | Panasonic Electric Works Co., Ltd. | Transparent film |
| USD692941S1 (en) | 2009-11-16 | 2013-11-05 | X6D Limited | 3D glasses |
| USD669522S1 (en) | 2010-08-27 | 2012-10-23 | X6D Limited | 3D glasses |
| USD671590S1 (en) | 2010-09-10 | 2012-11-27 | X6D Limited | 3D glasses |
| USD662965S1 (en) | 2010-02-04 | 2012-07-03 | X6D Limited | 3D glasses |
| USD664183S1 (en) | 2010-08-27 | 2012-07-24 | X6D Limited | 3D glasses |
| JP6287837B2 (ja) * | 2012-07-27 | 2018-03-07 | コニカミノルタ株式会社 | 有機エレクトロルミネッセンス素子 |
| USD711959S1 (en) | 2012-08-10 | 2014-08-26 | X6D Limited | Glasses for amblyopia treatment |
| KR101475735B1 (ko) * | 2013-01-31 | 2014-12-23 | 주식회사 두산 | 투명 폴리아믹산 용액 및 이를 이용한 투명폴리이미드 필름, 프리프레그 |
| JP6366089B2 (ja) | 2014-03-28 | 2018-08-01 | Necライティング株式会社 | 有機elパネル用透光性基板、有機elパネル用透光性基板の屈折率異方性の制御方法、有機elパネル用透光性基板の製造方法、有機elパネル、有機el装置 |
| TWI564627B (zh) * | 2015-01-20 | 2017-01-01 | 友達光電股份有限公司 | 具漏光改善設計之顯示模組 |
| JP6917783B2 (ja) * | 2017-06-01 | 2021-08-11 | 日本化薬株式会社 | 透明積層シート |
| CN111629460B (zh) * | 2020-05-29 | 2025-08-29 | 宁波石墨烯创新中心有限公司 | 一种加热膜及其制备方法 |
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| JP2001133761A (ja) * | 1999-11-04 | 2001-05-18 | Toshiba Corp | 液晶表示素子及び有機led素子 |
| JP2004280071A (ja) * | 2003-02-25 | 2004-10-07 | Sharp Corp | 液晶表示装置 |
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| JP2003050384A (ja) * | 2001-08-07 | 2003-02-21 | Sumitomo Bakelite Co Ltd | 反射型液晶表示素子用プラスチック基板 |
| JP2004191734A (ja) * | 2002-12-12 | 2004-07-08 | Sharp Corp | プラスチック基板およびそれを備える液晶表示装置 |
-
2003
- 2003-11-06 JP JP2003377151A patent/JP2005140980A/ja active Pending
-
2004
- 2004-11-05 CN CNB200480031493XA patent/CN100368834C/zh not_active Expired - Fee Related
- 2004-11-05 KR KR1020067008513A patent/KR20060115735A/ko not_active Ceased
- 2004-11-05 US US10/578,308 patent/US20070117485A1/en not_active Abandoned
- 2004-11-05 WO PCT/JP2004/016415 patent/WO2005045486A1/ja not_active Ceased
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001133761A (ja) * | 1999-11-04 | 2001-05-18 | Toshiba Corp | 液晶表示素子及び有機led素子 |
| JP2004280071A (ja) * | 2003-02-25 | 2004-10-07 | Sharp Corp | 液晶表示装置 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009265611A (ja) * | 2008-04-29 | 2009-11-12 | Samsung Electronics Co Ltd | 表示装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100368834C (zh) | 2008-02-13 |
| CN1871533A (zh) | 2006-11-29 |
| US20070117485A1 (en) | 2007-05-24 |
| KR20060115735A (ko) | 2006-11-09 |
| JP2005140980A (ja) | 2005-06-02 |
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