TW201446531A - 用於顯示裝置之視窗及包含該視窗之顯示裝置 - Google Patents

用於顯示裝置之視窗及包含該視窗之顯示裝置 Download PDF

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TW201446531A
TW201446531A TW103111130A TW103111130A TW201446531A TW 201446531 A TW201446531 A TW 201446531A TW 103111130 A TW103111130 A TW 103111130A TW 103111130 A TW103111130 A TW 103111130A TW 201446531 A TW201446531 A TW 201446531A
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window
display device
polymer resin
film
resin layer
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TW103111130A
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English (en)
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Sang-Gu Kim
Jee-Seok Oh
Ju-Suk Oh
Hun-Kyo Kim
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Samsung Display Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/06Layered 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
    • B32B27/08Layered 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 of synthetic resin
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/32Layered products comprising a layer of synthetic resin comprising polyolefins
    • B32B27/325Layered products comprising a layer of synthetic resin comprising polyolefins comprising polycycloolefins
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/36Layered products comprising a layer of synthetic resin comprising polyesters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/36Layered products comprising a layer of synthetic resin comprising polyesters
    • B32B27/365Layered products comprising a layer of synthetic resin comprising polyesters comprising polycarbonates
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/40Layered products comprising a layer of synthetic resin comprising polyurethanes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04Interconnection of layers
    • B32B7/12Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00Manufacture of articles or shaped materials containing macromolecular substances
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J5/00Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/133308Support structures for LCD panels, e.g. frames or bezels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00Coating on the layer surface
    • B32B2255/10Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00Coating on the layer surface
    • B32B2255/20Inorganic coating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00Coating on the layer surface
    • B32B2255/26Polymeric coating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/40Properties of the layers or laminate having particular optical properties
    • B32B2307/412Transparent
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2457/00Electrical equipment
    • B32B2457/20Displays, e.g. liquid crystal displays, plasma displays
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/133308Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133331Cover glasses
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F2202/00Materials and properties
    • G02F2202/28Adhesive materials or arrangements
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/26Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/263Coating layer not in excess of 5 mils thick or equivalent
    • Y10T428/264Up to 3 mils
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/26Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/266Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension of base or substrate
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/26Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/268Monolayer with structurally defined element
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/31504Composite [nonstructural laminate]
    • Y10T428/31507Of polycarbonate
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/31504Composite [nonstructural laminate]
    • Y10T428/31551Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
    • Y10T428/31554Next to second layer of polyamidoester
    • YGENERAL 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
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    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/31504Composite [nonstructural laminate]
    • Y10T428/31786Of polyester [e.g., alkyd, etc.]
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
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    • Y10T428/31855Of addition polymer from unsaturated monomers
    • Y10T428/31938Polymer of monoethylenically unsaturated hydrocarbon

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  • Injection Moulding Of Plastics Or The Like (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

一種用於顯示裝置之視窗,包含具有聚合物樹脂的聚合物樹脂層、以及位在聚合物樹脂層之至少一側上的光透膜,光透膜包含黏接膜,黏接膜包含與聚合物樹脂層相同的聚合物樹脂。

Description

用於顯示裝置之視窗及包含該視窗之顯示裝置 【0001】
本發明係揭露一種用於顯示裝置之視窗及包含該視窗之顯示裝置。
【0002】
目前已知的顯示裝置包括液晶顯示器(LCD)、電漿顯示面板(PDP)、有機發光二極體(OLED)顯示器、場效應顯示器(FED)、及電泳顯示裝置等。這樣的顯示裝置包括顯示影像的顯示模組和保護顯示模組的視窗。
【0003】
實施例係涉及一種用於顯示裝置之視窗,其包含具有聚合物樹脂的聚合物樹脂層、以及位在聚合物樹脂層之至少一側上的光透膜,光透膜包含黏接膜,黏接膜包含與聚合物樹脂層相同的聚合物樹脂。
【0004】
聚合物樹脂層可與黏接膜接觸。
【0005】
聚合物樹脂可包含聚碳酸酯(polycarbonate, PC)、聚甲基丙烯酸甲酯(polymethylmethacrylate, PMMA)、聚對苯二甲酸乙酯(polyethylene terephthalate, PET)、聚氨酯(urethane)、環烯烴聚合物(cycloolefin polymer, COP)、其共聚物,或者其組合。
【0006】
聚合物樹脂層可具有為約300μm至約800μm的厚度。
【0007】
光透膜可進一步包含位在黏接膜之一側上的硬質塗層。
【0008】
硬質塗層可具有約100μm至約250μm的厚度。
【0009】
硬質塗層可包含有機材料、無機材料、或有機與無機複合化合物。
【0010】
黏接膜具有約30μm至約70μm的厚度。
【0011】
黏接膜具有約40μm至約60μm的厚度。
【0012】
光透膜可包含模內裝飾(in mold decoration, IMD)膜。
【0013】
模內裝飾膜可不包含黏合劑層。
【0014】
視窗可具有小於或等於約1mm的厚度。
【0015】
視窗可藉由以膜嵌入方式注射成型光透膜與聚合物樹脂來獲得。
【0016】
顯示裝置可包含視窗。
100...視窗
110...聚合物樹脂層
120...光透膜
121...黏接膜
122...硬質塗層
【0017】
對於所屬領域具有通常知識者而言,藉由詳細描述例示性實施例時一併參照附圖而使特點變得顯而易知,其中:
【0018】
第1圖係為繪示根據一實施例顯示用於顯示裝置之視窗的剖面圖。
【0019】
下文中,將參照附圖更充分的描述例示性實施例;然而,其可以各種不同形式實施,而不應理解為限制於本文所闡述的實施例。相反的,提供這些例示性實施例使得本揭露將徹底及完整,且將充分傳達例示性實施方式予此技術領域中具有通常知識者。
【0020】
在附圖中,為清楚地說明,可能誇大層和區域的尺寸。亦將了解的是,當層或構件被稱為「於…上(on)」另一層或基板時,其可直接地於另一層或基板上、或者亦可存在中間層。此外,將了解的是,當層被稱為「於…下(under)」另一層時,其可直接地於另一層下、或者亦可存在一個或多個中間層。此外,亦將了解的是,當層被稱為在兩個層「之間(between)」時,其可是這兩個層之間的唯一層、或者亦可存在一個或多個中間層。全文中相似的元件符號表示相同或相似的構件。
【0021】
參照第1圖,將描述根據一實施例之用於顯示裝置之視窗。第1圖係為繪示根據一實施例之用於顯示裝置之視窗的剖面圖。
【0022】
根據一實施例之用於顯示裝置之視窗100包含聚合物樹脂層110及位在聚合物樹脂層110之至少一側的光透膜120,光透膜120包含黏接膜121。黏接膜121包含聚合物樹脂。聚合物樹脂層110包含與黏接膜121相同的聚合物樹脂。
【0023】
聚合物樹脂層110可由注射成型聚合物樹脂所製成。注射成型聚合物樹脂可包含例如聚碳酸酯(polycarbonate, PC)、聚甲基丙烯酸甲酯(polymethylmethacrylate, PMMA)、聚對苯二甲酸乙酯(polyethylene terephthalate, PET)、聚氨酯(urethane)、環烯烴聚合物(cycloolefin polymer, COP)、其共聚物,或其組合。在本文中,「組合(combination)」可稱為兩個或多個層的混合或堆疊。
【0024】
聚合物樹脂層110可具有例如約300至約800μm的厚度、或例如約500至約700μm厚度。
【0025】
當聚合物樹脂層110具有在此範圍內的厚度時,在注射成型期間可確保有足夠空間用於以膜嵌入方式流入聚合物樹脂和確保有令人滿意之視窗的外觀,及可獲得令人滿意之聚合物樹脂之耐衝擊性和表面硬度的特性。
【0026】
光透膜120可進一步包含位在黏接膜121之一側上的硬質塗層122。光透膜120可位於黏接膜121之對於聚合物樹脂層110的相對側上。
【0027】
黏接膜121可為用於膜嵌入成型製程的塑料基板,且可直接地接觸聚合物樹脂層110。在聚合物樹脂層110和黏接膜121之間的黏合劑層可被省略。
【0028】
黏接膜121可包含與聚合物樹脂層110之聚合物樹脂相同的材料。例如,當所述聚合物樹脂層110包含聚碳酸酯時,黏接膜121亦可包含聚碳酸酯。當聚合物樹脂層110包含聚對苯二甲酸乙酯(PET)時,黏接膜121亦可包含聚對苯二甲酸乙酯等。
【0029】
在這種方式中,當黏接膜121和聚合物樹脂層110包含相同的材料時,可改善黏接膜121和聚合物樹脂層110之間的附著力,且在其之間不使用單獨的黏合劑。另外,在黏接膜121和高分子樹脂層110之間不存在單獨的黏合劑,可防止黏合劑的可靠性劣化。這樣黏合劑的可靠性劣化可包含,例如,由於黏合劑和聚合物樹脂之間之物理化學特性的差異使得界面分離、及由於黏合劑在聚合物樹脂之注射溫度下的相位分離與劣化使得泛黃指數的增加與附著力的降低,例如,在視窗製程期間的膜嵌入成形製程中。根據一實施例,由相同的聚合物樹脂形成黏接膜121與聚合物樹脂層110。因此,不僅可確保在其之間的附著力,還可防止或減少黏合劑的可靠性劣化。
【0030】
黏接膜121可具有例如,約30μm至約70μm的厚度、或例如,約40μm至約60μm的厚度。
【0031】
硬質塗層122可位在用於顯示裝置之視窗100的表面上,因而可改善表面硬度。硬質塗層122可包含,例如有機材料、無機材料、或有機與無機複合化合物。有機材料可包含,例如丙烯酸類化合物、環氧類化合物、或其組合。無機材料可包括,例如二氧化矽、氧化鋁、或其組合。有機與無機複合化合物可包括,例如聚倍半矽氧烷(polysilsesquioxane)。硬質塗層122可以是單層或多層,且可具有為,例如,約100μm至約250μm的厚度,特別是約125μm至約200μm的厚度。
【0032】
聚合物樹脂層110和硬質塗層122可包含至少一層。
【0033】
光透膜120可包含例如模內裝飾膜(in mold decoration, IMD)。模內裝飾膜可不包含黏合劑層。
【0034】
根據本實施例中,光透膜120形成在聚合物樹脂層110的一側上。在其他實施方式中,光透膜120形成在聚合物樹脂層110的兩側上。
【0035】
用於顯示裝置之視窗100可藉由以膜嵌入方式注射成型光透膜120與上述聚合物樹脂來獲得。
【0036】
用於顯示裝置之視窗100可具有小於或等於約1mm的厚度。
【0037】
用於顯示裝置之傳統視窗使用黏合劑以黏著聚合物樹脂層至硬質塗層。在這樣的視窗中,由於黏合劑包含的材料與聚合物樹脂不同,因此黏合劑藉 由異質接面的方法 黏著 ​​ 聚合物樹脂層至硬質塗層。因此,可在包含與聚合物樹脂不同材料的 黏合劑和 聚合物樹脂層之間的界面上產生水,從而可能發生界面分離與膜剝離。 黏合劑不可在注射溫度下混合。因此,視窗可能發生可靠性可能的劣化和泛黃等。
【0038】
根據例示性實施例,如上所述用於顯示裝置之視窗100包括黏接膜121,黏接膜121是由與聚合物樹脂層110相同的材料所形成。用於顯示裝置之視窗100可以使用與作為黏接膜121之相同的聚合物樹脂替代黏合劑的使用,從而可以提供同質接面,而不是異質接面。因此,可提高聚合物樹脂層110和黏接膜121之間或聚合物樹脂層110和光透膜120之間的附著力,並且可防止其之界面分離。從而可防止由於黏合劑之膜剝離和泛黃。
【0039】
上述用於顯示裝置之視窗可應用在各種顯示裝置。例如,顯示裝置可以是液晶顯示器(LCD)、有機發光二極體(OLED)顯示器、電漿顯示器、電場效應顯示裝置、或電泳顯示裝置等。
【0040】
用於顯示裝置之視窗可設置在顯示模組上,其中顯示模組可以是液晶顯示模組、有機發光顯示模組、電漿顯示模組、電場效應顯示模組、或電泳顯示模組等。
【0041】
以下提供的實施例和比較例係為了強調的一或多個實施例的特性,但是應當理解的係本實施例和比較例不應解釋為限制實施例的範圍,比較例亦不應理解為在實施例的範圍之外。此外,應當理解的係本實施例不限於實施例和比較例中描述的特定細節。
製造用於顯示設備的視窗
實施例1
【0042】
甲聚倍半矽氧烷溶液塗佈在聚碳酸酯膜(PC2151,帝人化成株式會社)的一側上,在80℃下乾燥1分鐘,並藉由紫外(UV)輻射(300 mJ/cm2)固化。聚碳酸酯膜放入注射成型機以注射成型聚碳酸酯(HFD1810,沙烏地***基礎工業公司),製造0.8 mm厚之用於顯示裝置之視窗,該視窗包含600μm厚的聚碳酸酯樹脂層、50μm厚的聚碳酸酯膜、及150μm厚的硬質塗層。
實施例2
【0043】
除了使用聚對苯二甲酸乙酯(PET)(A4300,東洋紡織株式會社)代替聚碳酸酯(PC)外,根據實施例1相同的方法製造0.8 mm厚之用於顯示裝置之視窗,其包括600μm厚的聚對苯二甲酸乙酯樹脂層、50μm厚的PET薄膜上、及150μm厚的硬質塗層。
實施例3
【0044】
除了使用氨基甲酸乙酯(聚氨酯)(敬和公司制)代替聚碳酸酯外,根據實施例1相同的方法製造0.8 mm厚之用於顯示裝置之視窗,其包含600μm厚的聚氨酯樹脂層、50μm厚的聚氨酯薄膜、及150μm厚的硬質塗層。
實施例4
【0045】
除了使用環烯烴聚合物(COP)(瑞翁(Zeon)株式會社)代替聚碳酸酯外,根據實施例1相同的方法製造0.8 mm厚之用於顯示裝置之視窗,其包含600μm厚的環烯烴聚合物樹脂層、50μm厚的環烯烴聚合物膜、以及150μm厚的硬質塗層。
比較例1
【0046】
甲聚倍半矽氧烷溶液塗佈在聚碳酸酯膜(PC2151,帝人化成株式會社)的一側上,在80℃下乾燥1分鐘,並藉由紫外(UV)輻射(300 mJ/cm2)固化。隨後,丙烯酸黏合溶液塗佈在聚碳酸酯膜的另一側上,並在100℃下乾燥10分鐘。然後,所得到的聚碳酸酯膜被預先固化在100℃下。而後,聚碳酸酯膜放入注射成型機以注射成型聚碳酸酯(HFD1810,沙烏地***基礎工業公司)以獲得包含600μm厚之聚碳酸酯樹脂層的1mm厚的用於顯示裝置之視窗。
比較例2
【0047】
除了使用聚碳酸酯-聚甲基丙烯酸甲酯(PC-PMMA)共聚物(COO1,住友公司)代替聚碳酸酯外,根據比較例1相同的方法製造1 mm厚之用於顯示裝置之視窗,其包含600μm厚的聚碳酸酯-聚甲基丙烯酸甲酯共聚物樹脂層。
比較例3
【0048】
除了使用環烯烴聚合物(瑞翁(Zeon)株式會社)代替聚碳酸酯外,根據比較例1相同的方法製造1 mm厚之用於顯示裝置之視窗,其包含600μm厚的環烯烴聚合物樹脂層。
評估
【0049】
根據實施例1至實施例4和比較例1至比較例3評估用於顯示裝置之視窗的泛黃度、環境可靠性(附著力)、及外觀。
【0050】
泛黃度的測定參考YI(泛黃指數,D1925)。初始透射率(初始YI值)使用CM 3600D分光光度計測定。樣品和中紫外線燈(波長範圍為280至360nm)之間的距離為20cm。各樣品靜置72小時後測量後透射率(後YI值)。
【0051】
用於顯示裝置之視窗藉由暴露在為期120小時之60℃溫度、93%濕度的條件下,或視窗暴露在為期120小時之85℃溫度、85%濕度的條件下評估環境可靠性(附著力)。
【0052】
外觀藉由肉眼評估,以查看用於顯示裝置之視窗是否捲曲或扭曲。
【0053】
於表1中提供的結果。
【0054】
表1
【0055】
環境可靠性的評估參考。
【0056】
○:無膜剝離
【0057】
△:膜部分剝離
【0058】
x:膜完全剝離
【0059】
參照表1,根據實施例1至實施例4中用於顯示裝置之視窗表現出良好的附著力、低泛黃指數、以及令人滿意的環境可靠性和外觀。在另一方面,根據比較例1中用於顯示裝置之視窗表現出部分泛黃及具有不理想的環境可靠性。根據比較例2中用於顯示裝置之視窗表現出泛黃及具有不理想環境可靠性和不夠佳的外觀。根據比較例3中用於顯示裝置之視窗表現出不夠佳的附著力、環境可靠性、及外觀。
【0060】
基於這些結果根據實施例1至實施例4中用於顯示裝置之視窗表現出令人滿意的附著力性、泛黃指數、環境可靠性、及外觀。
【0061】
藉由總結和回顧的方式,玻璃可用作顯示裝置的視窗。然而,玻璃可能輕易地被外部衝擊打破。當玻璃用於諸如行動電話的便攜式裝置時,視窗可能輕易被損壞。因此,近來視窗已被研究由塑料材料所製成,而不是玻璃。一般情況下,由塑料材料製成的視窗可具有包含聚合物樹脂和黏合劑的堆疊結構。然而,聚合物樹脂和黏合劑可具有物理化學特性的差異;因此,可能在視窗之層的界面上發生分離或剝離。視窗的可靠性可能惡化,且可能發生諸如泛黃的不良特性。
【0062】
實施例提供可在增加層與層之間之附著力的同時提高可靠性之用於顯示裝置之視窗。實施例進一步提供包含視窗的顯示裝置。在可提高包含在用於顯示裝置之視窗的聚合物樹脂層與透光膜之間的附著力的同時,可防止或減少用於顯示裝置之視窗的泛黃,則可提升視窗的可靠性。
【0063】
例示性實施例已於文中揭露,而儘管使用特定的術語,其僅以一般且描述性的意義使用及解釋,而非用於限制之目的。於部分範例中,除非有明確的表示,否則對於提出之本申請案之所屬技術領域具有通常知識者而言為顯而易知的是,與特定實施例結合之特性、特徵及/或構件可被單獨使用,或結合其他實施例中的特性、特徵及/或構件使用。此外,領域內具通常知識者將理解的是,在未脫離如以下申請專利範圍之精神與範疇下,可進行各種細節與形式上之修改。
100...視窗
110...聚合物樹脂層
120...光透膜
121...黏接膜
122...硬質塗層

Claims (10)

  1. 【第1項】
    一種用於顯示裝置之視窗,該視窗包含:
    一聚合物樹脂層,其包含一聚合物樹脂;以及
    一光透膜,位在該聚合物樹脂層的至少一側上,該光透膜包含一黏接膜,該黏接膜包含與該聚合物樹脂層相同的一聚合物樹脂。
  2. 【第2項】
    如申請專利範圍第1項所述之用於顯示裝置之視窗,其中該聚合物樹脂層與該黏接膜接觸。
  3. 【第3項】
    如申請專利範圍第1項所述之用於顯示裝置之視窗,其中該聚合物樹脂包含聚碳酸酯、聚甲基丙烯酸甲酯、聚對苯二甲酸乙酯、聚氨酯、環烯烴聚合物、其共聚物,或者其組合。
  4. 【第4項】
    如申請專利範圍第1項所述之用於顯示裝置之視窗,其中該聚合物樹脂層具有為約300μm至約800μm的厚度。
  5. 【第5項】
    如申請專利範圍第1項所述之用於顯示裝置之視窗,其中該光透膜進一步包含位在該黏接膜之一側上的一硬質塗層,該硬質塗層具有約100μm至約250μm的厚度,且該硬質塗層包含有機材料、無機材料、或有機與無機複合化合物。
  6. 【第6項】
    如申請專利範圍第1項所述之用於顯示裝置之視窗,其中該黏接膜具有約30μm至約70μm的厚度。
  7. 【第7項】
    如申請專利範圍第1項所述之用於顯示裝置之視窗,其中該光透膜包含一模內裝飾膜,而該模內裝飾膜不包含一黏合劑層。
  8. 【第8項】
    如申請專利範圍第1項所述之用於顯示裝置之視窗,其中該視窗具有小於或等於約1mm的厚度。
  9. 【第9項】
    如申請專利範圍第1項所述之用於顯示裝置之視窗,其中該視窗係藉由以一膜嵌入方式注射成型該光透膜與該聚合物樹脂來獲得。
  10. 【第10項】
    一種顯示裝置,其包含如申請專利範圍第1項所述之用於顯示裝置之一視窗。
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