TWI276535B - Film attaching method and screen of rear projection television - Google Patents

Film attaching method and screen of rear projection television Download PDF

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Publication number
TWI276535B
TWI276535B TW094143099A TW94143099A TWI276535B TW I276535 B TWI276535 B TW I276535B TW 094143099 A TW094143099 A TW 094143099A TW 94143099 A TW94143099 A TW 94143099A TW I276535 B TWI276535 B TW I276535B
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Taiwan
Prior art keywords
film
substrate
edge
adhesive
bonding
Prior art date
Application number
TW094143099A
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English (en)
Other versions
TW200722283A (en
Inventor
Jaw-Ji Chen
Han-Jung Chen
Chien-Ming Huang
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Nano Prec Corp
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Priority to TW094143099A priority Critical patent/TWI276535B/zh
Priority to US11/551,373 priority patent/US20070125473A1/en
Priority to JP2006290335A priority patent/JP2007156437A/ja
Application granted granted Critical
Publication of TWI276535B publication Critical patent/TWI276535B/zh
Publication of TW200722283A publication Critical patent/TW200722283A/zh

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    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/54Accessories
    • G03B21/56Projection screens
    • G03B21/60Projection screens characterised by the nature of the surface
    • G03B21/62Translucent screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C63/00Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
    • B29C63/0047Preventing air-inclusions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/05Particular design of joint configurations
    • B29C66/10Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112Single lapped joints
    • B29C66/1122Single lap to lap joints, i.e. overlap joints
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/40General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43Joining a relatively small portion of the surface of said articles
    • B29C66/433Casing-in, i.e. enclosing an element between two sheets by an outlined seam
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/08Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/4805Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
    • B29C65/481Non-reactive adhesives, e.g. physically hardening adhesives
    • B29C65/4815Hot melt adhesives, e.g. thermoplastic adhesives
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/4805Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
    • B29C65/481Non-reactive adhesives, e.g. physically hardening adhesives
    • B29C65/4825Pressure sensitive adhesives
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/4805Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
    • B29C65/483Reactive adhesives, e.g. chemically curing adhesives
    • B29C65/4845Radiation curing adhesives, e.g. UV light curing adhesives
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/50Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like
    • B29C65/5057Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like positioned between the surfaces to be joined
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/342Preventing air-inclusions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/34Electrical apparatus, e.g. sparking plugs or parts thereof
    • B29L2031/3475Displays, monitors, TV-sets, computer screens
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/74Projection arrangements for image reproduction, e.g. using eidophor
    • 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
    • Y10T156/00Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10Methods of surface bonding and/or assembly therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Optical Elements Other Than Lenses (AREA)

Description

1276535 16909twf.doc/006 九、發明說明: 【發明所屬之技術領域】 本發明是有關於一種膜材,且特別是有關於一種膜材 貼合方法(Film Attaching Method)及使用此膜材貼合方法 之背投影電視的螢幕。 【先前技術】 …習知背投影電視(RearPr〇jecti〇nTdevisi〇n)使用之 蚤幕(Screen)係包含一菲涅爾透鏡膜片(Fresnd匕仍钮㈤) 及柱面透鏡膜片(Lenticuiarlensfllm),該些膜片係利用 貼合製程而製成。習知膜材貼合製程是利用-黏朦層全面 ,地f佈於柱面透鏡膜片上,再使菲淫爾透鏡膜片貼合於 膜片。但是’將黏膠層塗佈於膜片上的塗佈過程 =生 餘面透鏡膜片細圼爾透鏡膜片二 成成太接】:又热法重工’因此會容易浪費膜片,而造 之間的轉層片與菲埋爾透鏡膜片 光學特性不^; /喜先線的穿透率,致使背投影電視的 I[發明内容】 本發明的-目的就是在提供 易重工的膜材貼合方法。 即啗成本且谷 6思明的另—目的就是在提供一種可以節者出* 谷易重工之背投景續視的螢幕。 了…成本且 為達上述或其他目的,本發明之膜材貼合方法,適於 5 1276535 16909twf.doc/006 將一膜材貼合於一基板上。膜材貼合方法包括下列之步 知·首先將胺材放置於基板上,然後驅趕位於膜材與基板 之間的氣體,之後令膜材的邊緣與基板的邊緣形成氣密接 合(airtightjoint),以使膜材貼合於基板上。 在本發明-較佳實施例中,氣密接合的形成方式包括 加熱融接、超音波焊接或機械固定。 在,發明一較佳實施例中,氣密接合的形成方式是提 ❿ 供—黏著物賴材與基板之間,其巾黏著純於膜材與基 板的j緣,並且在驅趕位於膜材與基板之間的氣體之後, 將物固化。在本實施例中,黏著物例如是熱融膠、熱 融膠T、务、外線硬化膠或感壓膠,而固化黏著物的方法例 如是加溫、加壓或同時加溫加壓。 尸在本發明一較佳實施例中,驅趕位於膜材與基板之間 =氣體之方法包括下列步驟··首先將膜材與基板置入抽氣 室内’然後令抽氣室内的氣壓低於1大氣壓力。 • 义在本發明一較佳實施例中,將膜材放置於基板上之 月il,更包括施加一張力於膜材,以使膜材產生形變,當膜 材放置於基板上時,膜材的形變回復力會使膜材貼合於基 板上’以使得位於膜材與基板之間的氣體被擠出。 ^在本發明一較佳實施例中,將膜材放置於基板上之 荊更包括對膜材加熱,以使膜材產生膨脹,當膜材放置 於基板上時’膜材與基板間之溫差使膜材貼合於基板上。 ^在本發明一較佳實施例中,將膜材放置於基板上之 刖,更包括對基板降溫,以使基板產生收縮,讓膜材放置 6 1276535 ]6909twf.doc/006 於基板上時,膜材可貼合於基板上。 在本發明一較佳實施例中,其中將膜材放置於基板上 =步驟、,更包含下列之步驟:首先提供基板,並在基板之 邊緣上塗佈—岭物,錢《材與絲對位並將膜材放 置於基板上。 ,本^明一較佳實施例中,其中在基板之邊緣上塗佈 一黏著物時,預留一開口,並使用一抽氣裝置連接於開口, 以將膜材及基板之間的氣體從開口抽出。 本發明另提出一種背投影電視的螢幕,其包括一基板 以及一菲涅爾透鏡(Fresnd lens)膜片,其中菲涅爾透鏡膜 片直接贴合於基板上,且膜片的邊緣與基板的邊緣形成一 氣密接合。 在本發明一較佳實施例中,膜片的邊緣與基板的邊緣 之間更包含一黏著物。 •因此,本發明之膜材貼合方法及背投影電視的螢幕具 有製程簡單、快速,可節省製程成本且容易重工等優點。 為讓本發明之上述和其他目的、特徵和優點能更明顯 易懂,下文特舉較佳實施例,並配合所附圖式,作詳細說 明如下。 【實施方式】 請參考圖1、圖2及圖3,首先提供一基板11〇,並在 基板110之邊緣上塗佈一黏著物12〇,然後在膜材13〇與 基板110對位之後,將膜材130放置於基板11〇上,如步 驟S110。在基板110與膜材13〇之間,可以依照設計需求 7 1276535 I6909twf.doc/006 置入其他的膜材14〇,如光學膜片。黏著物12〇例如是熱 融膠、熱融膠帶、紫外線硬化膠或感壓膠等具有黏性的膠 體。 然後’驅趕位於膜材130以及基板11〇之間的氣體, 如步称S120。驅趕位於膜材丨3〇及基板11〇之間氣體的方 式例如疋在基板11〇上形成黏著物丨2〇時,預留一開口 122’然後使用抽氣裝置(圖未示),以將膜材13〇及基板 110之間的氣體從開口 ^22抽出,如圖2所示。 請參考圖4,讓膜材130的邊緣與基板11〇的邊緣形 成一氣岔接合A,使膜材130貼合於基板上,如步驟 S130开》成氣逾、接合A的方式例如是利用熱板(H〇t
Plate)150對黏著物12〇進行加溫、加壓或同時加溫加壓以 使黏著物120固化,舉例來說,若黏著物12〇是紫外線硬 化膠時,可藉由紫外光照射紫外線硬化膠,使紫外線硬化 膠固化。 值得注意的是,本實施例係於黏著物120中預留開口 =2(如圖2所示)以供抽氣裝置將氣體抽出。在其他較佳實 轭例中,驅趕位於膜材13〇以及基板11〇之間氣體的方法 亦可以是將膜材130以及基板11〇置入一個抽氣室16〇 内,並且令抽氣室160内的氣壓小於一大氣壓,以驅趕膜 材130以及基板之間的氣體。然後,再對膜材HQ以 及基板110的邊緣形成氣密接合A,使膜材13()自動地貼 合於基板110上,如圖5所示。 此外,本實施例是在膜材13〇以及基板11()之間提供 1276535 16909twf.doc/006
黏著物120,並將黏著物丨2〇固化之後以形成氣密接合a。 而在其他實施例中,膜材130以及基板110之間可不需提 供黏著物120,在此情況下,膜材丨3〇以及基板110之間 形成氣密接合A的方法例如是利用熱板150直接將膜材 130融接於基板ι10上(如圖1〇所示),或是利用超音波 焊接的方式將膜材130焊接於基板110上。當然,本發明 亦可利用機械固定等方法完成膜材13〇以及基板11〇之間 的氣密接合A ’以使膜材13〇自動地貼合於基板11〇上。 請參考圖6,在將膜材13〇放置於基板no上前,可 先對膜材130施加一張力,使膜材13〇產生適當的形變。 因此,當膜材130放置於基板110上時,膜材13〇的形變 回復力會使膜材130可較平整地貼合於基板no上。在本 實施例中,對膜材130施加張力的方法例如是使用膜材拉 伸裝置170由膜材130的四周拉伸膜材13〇,使膜材13〇 產生形變。 、請參照圖7,在將膜材130放置於基板11〇上前,先 對膜材130加熱使其膨脹,使膜材13〇與基板11〇間呈有 溫差,然後,再將膜材130貼合於基板11〇上,待膜材〃13〇 ,基板110回復至常温後,膜材ηο就會有預應力存在, 藉以使膜材130可較平整地貼合於基板11〇上。 請參照圖8,在將膜材13〇放置於基板11〇上前,先 對基板110預先降溫使魏縮,紐,當崎⑽放置於 基板110上時,基板110與膜材130間具有溫差,藉以使 膜材130可較平整地貼合於基板ι1〇上。 曰 9 1276535 16909twf.doc/006 請參照圖9,在將膜材13〇放置於基板11〇上前,可 先=膜材130加熱使其膨脹,並對基板11〇降溫使其產生 收縮。因此,當膜材13〇放置於基板11〇上時,膜材13〇 ^收縮能力以及基板110之膨脹能力,藉以使膜材13〇可 較,整地貼合於基板11Q上。與圖7及圖8相較,在圖9 所舉出之作法巾,赌13〇之溫度上升幅度以及基板11〇 之溫度降低幅度可以進—步縮減,進而縮短對膜材13〇升 溫與對基板110降溫所需的時間。 ^值得注意的是,不論對膜材130以拉伸方式使其形 對膜材130加熱以使膜材13〇膨脹形變,或對基板ιι〇 =皿以使基板110收縮形變之方式,皆需考慮膜材13〇及 =板110的厚度、延展性、耐熱性等物理性質。在不影響 膜材130之原有特性的前提之下,適度的使膜材產生 开^變。 “值得注意的是,本發明之膜材貼合方法可應用於各種 膜材貼合製程,尤其是制在如背投f彡電視之螢幕等大尺 =示器的崎貼合製財,其效果更是顯著。然而,下 μ投影電視之螢幕中的膜材貼合製程只是用以舉例,其 並非用以限定本發明實施的範疇。
f1 11紿不為使用本發明之膜材貼合方法的背投影電 :之=幕㈣_。請參考@ n,f投影電視之螢幕· 與+膜材230與基板21〇之間所放置的膜材24〇例如是光 $片’而膜材230例如是菲淫爾透鏡(Fresnellens)膜片, ,、與基板210的貼合表面具有微細的溝紋。此外,膜材23Q 10 1276535 16909twf.doc/006 例如是藉由固化的黏著物220貼合於基板21〇上。將本發 ^之膜材貼合方法應用於這種大尺柏背郷電視之· 二艇材230與基板210之間的氣體被驅趕出,因此將膜 材230與基板210貼合時,膜材23〇與基板21〇間不會有 f包產生,且在膜材230與基板210貼合後,膜材23〇的 =相當平整。此外,背投影電視之螢幕亦可採賴溶接、 ^波焊是機_定等方法可以錢將騎23〇貼合 ^土板210上’因此膜材23G與基板21〇貼合後的整體厚 度不受到黏著物厚度的影響。 熟述,不論膜材23G肖基板210之間是否存在有黏 ,本發崎討論触伽合綠並不會影響背投 ^視螢料光源的穿料,因此背投影電視之螢幕i有 十分良好的光學特性。 ^ 综上所述’本伽謂抛合綠具有下列優點: =材與基板之間的黏著物係環繞於基板與膜材的周 =佈’而非全面性地塗佈於基板之上,因此,使得製程 影題’且可以節省製程成本,且不會 地貼伸、加纽降㈣,赠麟可平塾 3.利用抽氣方式趨趕位於膜材與基板之間的氣體,以 使成品不易具有因氣泡而產生的瑕症。 4·方法間單,容易重工。 雖然本發明已以較佳實施例揭露如上,然其並非用以 1276535 16909twf.doc/006 限定本發明,任何熟習此技藝者,在不脫離本發明之精神 ^範圍内,當可作些許之更動與潤飾,因此本發明之保護 範圍當視後附之申請專利範圍所界定者為準。 ϋ 【圖式簡單說明】 圖1為本發明之膜材貼合方法的步驟流程圖。 圖2為本發明一實施例之膜片置於基板上的示意圖。 圖3〜圖4繪示為本發明一實施例之膜材貼合於基板 上的剖面流程圖。 圖5為將膜材以及基板置入抽氣室的示意圖。 圖6為本發明另一實施例中欲將膜材置於基板上 面示意圖。 圖 圖7為本發明另一實施例中將膜材加熱膨脹的示意 圖 圖 為本發明另一實施例中將基板降溫收縮的示意 叫认口 w q W不蒽圖。 圖11為使用本發明之膜材貼合方法 京幕的剖面圖。 【主要元件符號說明 温收:明另—實施例中將膜材加熱膨脹、基板降 氣密實施例中令膜材與基板痛^ 影電視之 S110:將臈材置於基板上 S120 ·’驅一 起位於膜材與基板之間的氣體 12 1276535 16909twf.doc/006 S130 :令膜材邊緣與基板邊緣形成氣密接合 110、210 :基板 120、220 :黏著物 122 :開口 130、140、230、240 :膜材 15 0 ·熱板 160 :抽氣室 170 :膜材拉伸裝置 200 :背投影電視之螢幕 A、A’ :氣密接合
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Claims (1)

1276535 16909twf.doc/〇〇6 ,申請專利範圍: 上 1. —種膜材貼合方法,適於將一膜材貼合於一 該膜材貼合方法包括: Q ;一基板 將該膜材放置於該基板上; 驅趕位於該膜材與該基板之間的一氣體;以及 令該膜材的邊緣與該基板的邊緣形成一氣资 使該膜材貼合於該基板上。 "•搀5,以 2. 如申請專利範圍第丨項所述之膜材貼合方 =密接合的形成方式包括加熱融接、超音波焊接或芯 3. 如申請專利範圍第丨項所述之膜材貼合 該氣密接合的形成方式包括: 去’其中 提供一黏著物於該膜材與該基板之間,其中 係位於該崎與該基板㈣緣;以及 ^者物 黏著Ϊ驅綠於該赌_練之_該氣觀,固化該 該專?範圍第3項所述之膜材贴合方法,其中 ο 5·^熱融膠、熱融膠帶、紫外線硬化膠或感壓膠。 固化“ 第3項所述之膜材貼合方法,其中 、方法包括加溫、加壓或同時加溫加壓。 驅趕項所述之膜材貼合方法,其中 二、材人该基板之間的該氣體之方法包括: :膜材與該基板置人_抽氣室内;以及 "亥抽氣室内之驗低於1大氣壓力。 14 12765說— 7.如申請專利顧第】項所述之膜糾合方法,立t =該膜材放置於該基板上之前,更包括施加—張力於該膜 ,以使賴材產生形變,當賴材放置於該基板上時, 該膜材之賴_力會使_材貼合㈣基板上。 8.如申請專利_第〗項所述之膜伽合方法, ,該膜材放置於該基板上之前,更包括對該膜材加熱,以 =膜材產生雜,當_材《韻基板謂,該膜材 〃基板間之溫差使該膜材貼合於該基板上。 一 9.如申請專利範圍第!項所述之膜材貼合方法,其 ίΓ放置於該基板上之前,更包括對該基板降溫,以 ^基板收縮,使該膜材放置於該基板 合於該基板上。 肤河」貼 10·如申請專利範圍f !項所述之膜材貼合方法, 將该膜材放置於該基板上之步驟,更包含: ’、 提供該基板; 在該基板之邊緣上塗佈一黏著物; 將該膜材與該基板對位;以及 將該膜材放置於該基板上。 11·如申請專利範圍第1〇項所述之膜材貼合方法,其 A。亥基板之邊緣上塗佈一黏著物時預留一開口, 於該開口,以將該膜材及該基板之間的氣體從 12· 月才又衫電視的螢幕,係包括: 一基板;以及 15 1276535 16909twf.doc/006 一菲淫爾透鏡(Fresnel lens)膜片,係直接貼合於該基 板上,且該膜片的邊緣與該基板的邊緣形成一氣密接合 (airtight joint) 〇 13.如申請專利範圍第12項所述之螢幕,其中該該膜 片的邊緣與該基板的邊緣之間更包含一黏著物。
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