JP4717921B2 - 表示装置の製造方法、及び、貼り合わせ方法 - Google Patents
表示装置の製造方法、及び、貼り合わせ方法 Download PDFInfo
- Publication number
- JP4717921B2 JP4717921B2 JP2008296807A JP2008296807A JP4717921B2 JP 4717921 B2 JP4717921 B2 JP 4717921B2 JP 2008296807 A JP2008296807 A JP 2008296807A JP 2008296807 A JP2008296807 A JP 2008296807A JP 4717921 B2 JP4717921 B2 JP 4717921B2
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- Prior art keywords
- adhesive
- liquid adhesive
- transparent
- liquid
- adherend
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- 238000000034 method Methods 0.000 title claims description 23
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 239000000853 adhesive Substances 0.000 claims description 156
- 230000001070 adhesive effect Effects 0.000 claims description 143
- 239000007788 liquid Substances 0.000 claims description 61
- 238000001723 curing Methods 0.000 claims description 23
- 238000011049 filling Methods 0.000 claims description 17
- 238000000016 photochemical curing Methods 0.000 claims description 2
- 239000000758 substrate Substances 0.000 description 15
- 239000011521 glass Substances 0.000 description 12
- 239000004973 liquid crystal related substance Substances 0.000 description 9
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 230000001678 irradiating effect Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- 239000012790 adhesive layer Substances 0.000 description 4
- 238000010030 laminating Methods 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000012994 photoredox catalyst Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J5/00—Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0018—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
- B29K2995/0026—Transparent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
- B29L2031/3475—Displays, monitors, TV-sets, computer screens
-
- 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
- B32B2457/206—Organic displays, e.g. OLED
-
- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1284—Application of adhesive
- B32B37/1292—Application of adhesive selectively, e.g. in stripes, in patterns
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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
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
- G02F1/133311—Environmental protection, e.g. against dust or humidity
-
- 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
- G02F2202/28—Adhesive materials or arrangements
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Description
(実施例1)
以下に本発明の実施例を図面に基づいて説明する。図1は、フラットディスプレイの全面に配置する透明板1であり、材料はアクリルである。厚みは1.5mmである。大きさは、40×40mmである。ディスプレイの外形サイズは、45×32mmで厚みは1.3mmである。表示画面のエリアは、36×28.5mmである。ディスプレイは、液晶ディスプレイ3の表示画面のエリアより大きい範囲には、額縁形状の黒色との印刷物を形成してある。印刷物は、ディスプレイ側の面に形成する。印刷の他にスパッタなどの方法により金属膜を形成し、更に印刷物を積層する場合もある。図2は透明板の接着面に、接着剤2を点塗布で各角と中央に5点塗布した上面図である。接着剤2は、接着面積に対して約0.01318g/cm2を塗布する。この場合は、総量として0.1687g塗布する。点塗布の接着剤2の量は、1点あたり約0.028g塗布する。また、この接着剤は、紫外線硬化型接着剤で、硬化後の特性としては、弾性率は1.6×106Paで屈折率は1.52である。更に図3に示すように各角に塗布した接着剤2と中央に塗布した接着剤2とを線状に接着剤2を塗布する。線状に塗布する接着剤は、点塗布した接着剤間に塗布する他に、点塗布した接着剤より外周側に塗布してもよい。
2 接着剤
3 フラットディスプレイ
4 TFTアレイを形成した透明基板
5 カラーフィルターを形成した透明基板
6 表示面側の偏光板
7 裏面側の偏光板
8 ドライバIC
9 FPC
10 フラットディスプレイの表面に濡れた接着剤
Claims (5)
- 多角形の透明体と表示素子が透明接着剤で接着された表示装置の製造方法であって、前記透明体の接着面または前記表示素子の接着面に、各角付近を含む複数の箇所に液だれを形成できる一定量の点形状と、
前記点形状の間を前記多角形の全ての辺の外側に開放するように線状に結んだ線形状で粘度2000〜3000cPの液体接着剤を塗布する工程と、
前記液体接着剤を塗布した透明体または表示素子を反転する工程と、
前記点形状に塗布した液体接着剤に液だれを形成する工程と、
前記液体接着剤を塗布した透明体または表示素子を前記液だれに衝撃を加えないスピードで下降させた状態で対向する被着体に前記液体接着剤を接触させる工程と、
前記被着体が前記点形状と前記線形状に濡れた時点で、前記液体接着剤を塗布した透明体または表示素子をフリーにし、前記透明体と前記表示素子の間に前記液体接着剤を自重により充填する工程と、
前記液体接着剤を硬化する工程と、を備えることを特徴とする表示装置の製造方法。 - 前記液体接着剤の硬化収縮率が1〜6%であることを特徴とする請求項1に記載の表示装置の製造方法。
- 前記透明体と前記表示素子の間に充填された前記透明接着剤の厚みが30μm〜200μmであることを特徴とする請求項1に記載の表示装置の製造方法。
- 前記液体接着剤はUVまたは可視光で硬化する光硬化型の液体接着剤であり、前記液体接着剤を硬化する工程において、前記液体接着剤に前記透明体を通して第一の光を照射する第一の硬化手段と前記透明体の側面方向から第二の光を直接照射する第二の硬化手段を用いて前記液体接着剤を硬化させることを特徴とする請求項1〜3のいずれか一項に記載の表示装置の製造方法。
- 多角形の透明板と板状の被着体を透明接着剤で接着する貼り合せ方法であって、前記透明板の接着面または前記被着体の接着面に、各角付近を含む複数の箇所に液だれを形成できる一定量の点形状と、
前記点形状の間を前記多角形の全ての辺の外側に開放するように線状に結んだ線形状で粘度2000〜3000cPの液体接着剤を塗布する工程と、
前記液体接着剤を塗布した透明板または被着体を反転する工程と、
前記点形状に塗布した液体接着剤に液だれを形成する工程と、
前記液体接着剤を塗布した透明板または被着体を前記液だれに衝撃を加えないスピードで下降させた状態で対向する前記被着体または前記透明板に前記液体接着剤を接触させる工程と、
前記対向する被着体または透明板が前記点形状と前記線形状に濡れた時点で、前記液体接着剤を塗布した透明板または被着体をフリーにし、前記透明板と前記被着体の間に前記液体接着剤を自重により充填する工程と、
前記液体接着剤を硬化する工程と、を備えることを特徴とする貼り合せ方法。
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JPWO2007063751A1 (ja) | 2009-05-07 |
EP1973089A4 (en) | 2009-09-09 |
KR20080081248A (ko) | 2008-09-09 |
KR101168469B1 (ko) | 2012-07-26 |
EP1973089A1 (en) | 2008-09-24 |
US20090283211A1 (en) | 2009-11-19 |
WO2007063751A1 (ja) | 2007-06-07 |
JP2009048214A (ja) | 2009-03-05 |
DE602006019317D1 (de) | 2011-02-10 |
EP1973089B1 (en) | 2010-12-29 |
CN101317205A (zh) | 2008-12-03 |
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