TWI423188B - A display device and a method for manufacturing the same, and a transparent resin filler - Google Patents
A display device and a method for manufacturing the same, and a transparent resin filler Download PDFInfo
- Publication number
- TWI423188B TWI423188B TW98135338A TW98135338A TWI423188B TW I423188 B TWI423188 B TW I423188B TW 98135338 A TW98135338 A TW 98135338A TW 98135338 A TW98135338 A TW 98135338A TW I423188 B TWI423188 B TW I423188B
- Authority
- TW
- Taiwan
- Prior art keywords
- transparent resin
- display device
- resin
- resin filler
- hardness
- Prior art date
Links
- 239000011347 resin Substances 0.000 title claims description 199
- 229920005989 resin Polymers 0.000 title claims description 199
- 239000000945 filler Substances 0.000 title claims description 57
- 238000004519 manufacturing process Methods 0.000 title claims description 14
- 238000000034 method Methods 0.000 title description 16
- 239000000463 material Substances 0.000 claims description 11
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000003999 initiator Substances 0.000 description 14
- 238000005259 measurement Methods 0.000 description 9
- 239000000758 substrate Substances 0.000 description 9
- 239000004925 Acrylic resin Substances 0.000 description 8
- 229920000178 Acrylic resin Polymers 0.000 description 8
- 238000005520 cutting process Methods 0.000 description 8
- 229920002587 poly(1,3-butadiene) polymer Polymers 0.000 description 7
- 229920000642 polymer Polymers 0.000 description 7
- GWZMWHWAWHPNHN-UHFFFAOYSA-N 2-hydroxypropyl prop-2-enoate Chemical compound CC(O)COC(=O)C=C GWZMWHWAWHPNHN-UHFFFAOYSA-N 0.000 description 6
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 description 6
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 description 6
- 150000004056 anthraquinones Chemical class 0.000 description 6
- 238000013329 compounding Methods 0.000 description 6
- 150000002148 esters Chemical class 0.000 description 6
- 239000004615 ingredient Substances 0.000 description 6
- 238000004898 kneading Methods 0.000 description 6
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 6
- 229920001195 polyisoprene Polymers 0.000 description 6
- RSVDRWTUCMTKBV-UHFFFAOYSA-N sbb057044 Chemical compound C12CC=CC2C2CC(OCCOC(=O)C=C)C1C2 RSVDRWTUCMTKBV-UHFFFAOYSA-N 0.000 description 6
- 230000005484 gravity Effects 0.000 description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 4
- 102100024452 DNA-directed RNA polymerase III subunit RPC1 Human genes 0.000 description 4
- 101000689002 Homo sapiens DNA-directed RNA polymerase III subunit RPC1 Proteins 0.000 description 4
- 230000002776 aggregation Effects 0.000 description 4
- GCTPMLUUWLLESL-UHFFFAOYSA-N benzyl prop-2-enoate Chemical compound C=CC(=O)OCC1=CC=CC=C1 GCTPMLUUWLLESL-UHFFFAOYSA-N 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- XMGQYMWWDOXHJM-UHFFFAOYSA-N limonene Chemical compound CC(=C)C1CCC(C)=CC1 XMGQYMWWDOXHJM-UHFFFAOYSA-N 0.000 description 4
- 239000003960 organic solvent Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- PSGCQDPCAWOCSH-UHFFFAOYSA-N (4,7,7-trimethyl-3-bicyclo[2.2.1]heptanyl) prop-2-enoate Chemical compound C1CC2(C)C(OC(=O)C=C)CC1C2(C)C PSGCQDPCAWOCSH-UHFFFAOYSA-N 0.000 description 3
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- 238000004220 aggregation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000005304 optical glass Substances 0.000 description 3
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 3
- 239000004926 polymethyl methacrylate Substances 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- NFGXHKASABOEEW-UHFFFAOYSA-N 1-methylethyl 11-methoxy-3,7,11-trimethyl-2,4-dodecadienoate Chemical compound COC(C)(C)CCCC(C)CC=CC(C)=CC(=O)OC(C)C NFGXHKASABOEEW-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 229940087305 limonene Drugs 0.000 description 2
- 235000001510 limonene Nutrition 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000003685 thermal hair damage Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- IEVADDDOVGMCSI-UHFFFAOYSA-N 2-hydroxybutyl 2-methylprop-2-enoate Chemical compound CCC(O)COC(=O)C(C)=C IEVADDDOVGMCSI-UHFFFAOYSA-N 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 101000720524 Gordonia sp. (strain TY-5) Acetone monooxygenase (methyl acetate-forming) Proteins 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000005401 electroluminescence Methods 0.000 description 1
- 238000007542 hardness measurement Methods 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 229910052747 lanthanoid Inorganic materials 0.000 description 1
- 150000002602 lanthanoids Chemical class 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- UPMATMOGWCNTRC-UHFFFAOYSA-N morpholine prop-1-ene Chemical compound C=CC.N1CCOCC1 UPMATMOGWCNTRC-UHFFFAOYSA-N 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011342 resin composition Substances 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
-
- 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
- B32B43/00—Operations specially adapted for layered products and not otherwise provided for, e.g. repairing; Apparatus therefor
- B32B43/006—Delaminating
-
- 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
- G02F1/1306—Details
- G02F1/1309—Repairing; Testing
-
- 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
- G02F1/133502—Antiglare, refractive index matching layers
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/35—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being liquid crystals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J11/00—Gas-filled discharge tubes with alternating current induction of the discharge, e.g. alternating current plasma display panels [AC-PDP]; Gas-filled discharge tubes without any main electrode inside the vessel; Gas-filled discharge tubes with at least one main electrode outside the vessel
- H01J11/20—Constructional details
- H01J11/34—Vessels, containers or parts thereof, e.g. substrates
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/02—Details
- H01J17/16—Vessels; Containers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/20—Manufacture of screens on or from which an image or pattern is formed, picked up, converted or stored; Applying coatings to the vessel
-
- 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
- G02F1/133331—Cover glasses
-
- 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
-
- 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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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/841—Self-supporting sealing arrangements
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/842—Containers
- H10K50/8426—Peripheral sealing arrangements, e.g. adhesives, sealants
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/80—Constructional details
- H10K59/8791—Arrangements for improving contrast, e.g. preventing reflection of ambient light
- H10K59/8792—Arrangements for improving contrast, e.g. preventing reflection of ambient light comprising light absorbing layers, e.g. black layers
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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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10S156/918—Delaminating processes adapted for specified product, e.g. delaminating medical specimen slide
- Y10S156/919—Delaminating in preparation for post processing recycling step
- Y10S156/922—Specified electronic component delaminating in preparation for recycling
- Y10S156/924—Delaminating display screen, e.g. cathode-ray, LCD screen
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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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10S156/934—Apparatus having delaminating means adapted for delaminating a specified article
- Y10S156/941—Means for delaminating semiconductive product
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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
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/11—Methods of delaminating, per se; i.e., separating at bonding face
- Y10T156/1168—Gripping and pulling work apart during delaminating
- Y10T156/1179—Gripping and pulling work apart during delaminating with poking during delaminating [e.g., jabbing, etc.]
- Y10T156/1184—Piercing layer during delaminating [e.g., cutting, etc.]
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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
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/19—Delaminating means
- Y10T156/1961—Severing delaminating means [e.g., chisel, etc.]
- Y10T156/1967—Cutting delaminating means
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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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
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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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- Plasma & Fusion (AREA)
- Manufacturing & Machinery (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Liquid Crystal (AREA)
Description
本發明係關於一種在影像顯示面板與表面面板之間具有透明樹脂填充劑經硬化而成之透明樹脂層的顯示裝置及其製造方法、以及透明樹脂填充劑。
以往,已有人提議在影像顯示面板與表面面板之間填充透明樹脂填充劑並加以硬化所得之顯示裝置。在透明樹脂填充劑方面,係使用具有折射率整合性之光學彈性樹脂,來提升顯示裝置之目視性與耐衝擊性(參見例如專利文獻1、2)。
在樹脂的填充方法上,以往所採用之反轉方式,係對於影像顯示面板與表面面板其中一者進行塗佈,利用樹脂本身的重量下垂,避免氣泡混入來進行貼合。
此外,也有人提出使影像顯示面板與表面面板之任一者傾斜而於其間進行填充之傾斜方式、以及使影像顯示面板與表面面板確保既定之間距(Gap)量來平行配置,在該間距(Gap)之間填充樹脂之所謂的間距配置(Gap-Dispense)方式。
另一方面,當填充於影像顯示面板與表面面板之間的樹脂中混入有氣泡等異物之情況,係於硬化前或是硬化後進行將影像顯示面板與表面面板分離之維修作業(例如參見專利文獻3、4)。尤其是,樹脂硬化後之維修作業,在將影像顯示面板與表面面板剝離上所需要的剝離強度變大,而有對影像顯示面板、表面面板造成損傷之虞。是以,可容易且確實地將影像顯示面板與表面面板剝離並達成再利用之剝離再利用性(即所謂的再製性)的提升受到期望。
習知技術文獻
專利文獻1 WO2008/07800號公報
專利文獻2 WO2008/126893號公報
專利文獻3特開2009-186961號公報
專利文獻4特開2009-186962號公報
本發明係鑒於上述實情,其目的在於提供一種具有優異再製性之顯示裝置及其製造方法、以及透明樹脂填充劑。
本發明者經過各種檢討之結果,發現以肖氏(shore)E所表現之硬度乘以接著強度(凝集力)所得之值若在400以下,則在將影像顯示面板與表面面板做剝離時所需之剝離強度會變小,可提高樹脂硬化後之再製性。
亦即,本發明之顯示裝置,係在影像顯示面板與表面面板之間具有透明樹脂填充劑經硬化而成之透明樹脂層者,其特徵在於:透明樹脂層以肖氏E所表現之硬度為E4/15~E8/15,硬度乘以接著強度所得之值為400以下。
此外,本發明之顯示裝置之製造方法,其特徵在於,具有下述步驟:填充步驟,於影像顯示面板與表面面板之間填充透明樹脂填充劑;硬化步驟,使得透明樹脂填充劑硬化來形成透明樹脂層;去除步驟,當透明樹脂層中有異物混入之時,將再製材移動至表面面板與影像顯示面板之間,以去除透明樹脂層;再者,透明樹脂層以肖氏E所表現之硬度為E4/15~E8/15,硬度乘以接著強度所得之值為400以下。
再者,本發明之透明樹脂填充劑係填充於影像顯示面板與表面面板之間,其特徵在於:硬化後以肖氏E所表現之硬度為E4/15~E8/15,硬度乘以接著強度所得之值為400以下。
此處,以肖氏E所表現之硬度,係將透明樹脂填充劑硬化後之樣本裝設於比照JIS K6253之類型E硬度計,自押針接觸起15秒後測定所得者。
另外,接著強度係將一方之面板固定,而將另一方之面板端部以抵壓夾具來抵壓,測定兩者到分離為止所需要之應力,將應力除以單位面積所得者。
依據本發明,由於樹脂硬化物以肖氏E所表現之硬度乘以接著強度所得之值小,故將影像顯示面板與表面面板加以剝離所需之剝離強度也小,可提升樹脂硬化後之再製性。
以下,針對適用本發明之具體實施形態,參照圖式以下述順序來詳細說明。
1.顯示裝置
2.顯示裝置之製造方法
3.實施例
<1.顯示裝置>
圖1係呈現顯示裝置主要部分之截面圖。此顯示裝置1具有:影像顯示面板2、表面面板3、以及於影像顯示面板2與表面面板3之間使得透明樹脂填充劑硬化所得之透明樹脂層4。此處之顯示裝置1並無特別限定,可為液晶顯示裝置、行動電話機、可攜式遊戲機器等具有顯示部之電子機器。
影像顯示面板2為例如液晶顯示面板、電漿面板、有機EL(Electroluminescence Display)片等可顯示影像的面板。影像顯示面板2之表面原料可適用光學玻璃、塑膠(丙烯酸樹脂等)。
表面面板3係由與影像顯示面板2同等大小之板狀、片狀或薄膜狀之構件所構成。在構件方面可適宜使用光學玻璃、塑膠(聚甲基丙烯酸甲酯(PMMA)等丙烯酸樹脂、聚碳酸酯等)。此外,亦可於表面面板3之表面或背面形成抗反射膜、遮光膜、視野角控制膜等光學層。
透明樹脂層4係設置於影像顯示面板2與表面面板3之間,乃透明樹脂填充劑經硬化所得者。為了使透明樹脂填充劑達成硬化,只需使用加熱或是紫外線照射之至少一者即可,而從防止對影像顯示面板2造成熱損傷之觀點來看,以使用紫外線照射為佳。
此處就以紫外線照射來硬化之紫外線硬化型透明樹脂填充劑做說明。透明樹脂填充劑較佳為以丙烯酸聚胺基甲酸酯、丙烯酸異冰片酯等光反應性丙烯酸酯材料與光聚合起始劑做為主劑。
例如,可適切地使用含有下述成分之樹脂組成物:丙烯酸聚胺基甲酸酯、聚異丙烯系丙烯酸酯或其酯化物、萜系加氫樹脂、丁二烯聚合物等之1種以上的聚合物;丙烯酸異冰片酯、甲基丙烯酸二環戊烯氧乙酯、甲基丙烯酸2-羥基丁酯等1種以上之丙烯酸酯系單體;以及1-羥基-環己基-苯基-酮等之光聚合起始劑。其他之添加劑例如增感劑、可塑劑、透明粒子等亦可在本發明之目的範圍內做添加。
透明樹脂填充劑之黏度並無特別限定,從表面張力、浸潤擴散速度之觀點考量,以500~5000mPa‧s為佳,以500~3000mPa‧s為更佳。
使得透明樹脂填充劑硬化時的折射率係由影像顯示面板2、表面面板3之原料的關係來決定。例如,當影像顯示面板2在透明樹脂層4層之表面為光學玻璃、表面面板3在透明樹脂層4側之表面為聚甲基丙烯酸甲酯等丙烯酸樹脂之情況,透明樹脂層4之折射率以1.51~1.52為佳。
此外,使透明樹脂填充劑硬化時的硬化收縮率為2.5%以下。藉此,可降低透明樹脂填充劑硬化時所累積之內部應力,可防止在影像顯示面板2或表面面板3與透明樹脂層4之界面產生應變。此處,硬化收縮率係依據JIS K6901(5.12項)之體積收縮率所得者。
再者,透明樹脂填充劑經硬化所得之透明樹脂層4以肖氏E所表現之硬度為E4/15~E8/15。藉此,可確保耐衝擊性。以肖氏E所表現之硬度,係將透明樹脂填充劑硬化後之樣本裝設於比照JIS K6253之類型E硬度計,自押針接觸起15秒後測定所得者。
又,透明樹脂層4之接著強度(凝集力)在室溫為20~80N/cm2
。藉此,可防止無法跟隨翹曲而發生之凝集破壞。在此接著強度之測定方法係將一方之面板固定,而將另一方之面板端部以抵壓夾具來抵壓。然後,測定兩者在分離時之應力最大值,然後除以單位面積做為接著強度。
另外,透明樹脂層4以肖氏E所表現之硬度乘以接著強度(凝集力)所得之值在400以下。若硬度乘以接著強度之值超過400,有可能對影像顯示面板2、表面面板3造成損傷。若使得硬度乘以接著強度之值在400以下,則再製材(線材)於透明樹脂層4中之移動變得容易,可提高再製性。
<2.顯示裝置之製造方法>
其次,針對上述顯示裝置之製造方法做說明。圖2係呈現顯示裝置之製造方法一例之流程圖。此外,圖3~5分別呈現填充步驟、硬化步驟以及去除步驟中顯示裝置主要部分之截面圖。再者,與圖1所示顯示裝置1同樣構成部分係賦予相同符號,省略其說明。
此顯示裝置之製造方法具有:在影像顯示面板2與表面面板3之間填充透明樹脂填充劑5之填充步驟(步驟S1)、以及使得透明樹脂填充劑5硬化來形成透明樹脂層4之硬化步驟(步驟S2)。再者,尚有檢查在透明樹脂層4中是否出現混入異物等異常之檢查步驟(S3)、以及當透明樹脂層4出現異常之情況,將再製材移動至影像顯示面板2與表面面板3之間來去除透明樹脂層4之去除步驟(步驟S4)。
首先,在步驟S1之填充步驟,如圖3所示般在表面面板3與影像顯示面板2之間填充透明樹脂填充劑5。透明樹脂填充劑5之填充方法可採用轉印方式、傾斜方式、間距配置(Gap-Dispense)方式等。轉印方式係對影像顯示面板2或是表面面板3之一者進行塗佈,使得透明樹脂填充劑5遵循本身重量下垂,以不致混入氣泡的方式進行貼合、填充。而傾斜方式係使得影像顯示面板2或表面面板3之一者傾斜,於其間填充透明樹脂填充劑5。另外,間距配置(Gap-Dispense)方式係使得影像顯示面板2與表面面板3確保既定之間距(Gap)量來平行配置,在該間距(Gap)之間填充透明樹脂填充劑5。此等填充方法之中,基於顯示裝置1之大型化對應之觀點,以適用間距配置(Gap-Dispense)方式為佳。又,透明樹脂填充劑5之黏度若採用500~3000mPa‧s,則不僅能以影像顯示面板2或表面面板3之重量擴展,並可提高浸潤速度。
步驟S2之硬化步驟,係使得透明樹脂填充劑5硬化,形成透明樹脂層4。為了使得透明樹脂填充劑5達成硬化,只需使用加熱或是紫外線照射之至少一者即可,而從防止對影像顯示面板2造成熱損傷之觀點來看,以使用紫外線照射為佳。紫外線硬化型透明樹脂填充劑5係使用以上述丙烯酸聚胺基甲酸酯、丙烯酸異冰片酯等光反應性丙烯酸酯材料與光聚合起始劑做為主劑。
如圖4所示般,紫外線(UV:Ultraviolet)係對於保持在既定厚度之透明樹脂填充劑5經由表面面板3做照射。此處,從進一步達成樹脂均勻硬化之觀點,以對表面面板3表面從正交方向進行紫外線照射為佳。另外,同時使用例如光纖等自顯示裝置1之端部側照射紫外線,來防止透明樹脂填充劑5之溢漏為佳。
在步驟S3之檢查步驟,係檢查在影像顯示面板2與表面面板3之間所形成之透明樹脂層4內有無氣泡、雜質等異物的混入。檢查能以照光目視、影像處理等來進行。於步驟S3,當檢查結果為良好之情況,結束該步驟。
另一方面,於步驟S3,若確認出在影像顯示面板2與表面面板3之間的透明樹脂層4內混入有氣泡等異物而呈現異常的情況,乃進入步驟S4,進行去除透明樹脂層4之維修作業。
步驟S4之去除步驟,如圖5所示般,係使得線材20等再製材移動來切斷透明樹脂層4,以使得影像顯示面板2與表面面板3分離。
圖6與圖7係呈現切斷透明樹脂層時所適用之切斷裝置的具體例。圖6所示之具體例1,乃在一對的滑輪10、11跨掛線材20。此切斷裝置,係一邊使得線材20朝圖中左右方向滑動、一邊抵貼至位在影像顯示面板2與表面面板3之間的透明樹脂層4,在該狀態下使得顯示裝置1朝與線材20正交之方向移動。藉此,可切斷透明樹脂層4使得影像顯示面板2與表面面板3分離。
此外,圖7所示之具體例2,係在以構成一對滑車的方式所配置之複數的滑輪10~13間跨掛線材20,進而將可吸收位在滑輪10、11間的線材20的垂弛之拉張彈簧14、15分別連結在做為滑車移動之滑輪12、13上。此切斷裝置,係使得線材20抵貼至位在影像顯示面板2與表面面板3之間的透明樹脂層4,在該狀態下使得顯示裝置1朝與線材20正交之方向移動。藉此,可切斷透明樹脂層4使得影像顯示面板2與表面面板3分離。位在滑輪10、11間的線材20的垂弛係以拉張彈簧14、15之彈性力來吸收,滑輪10、11間的線材20可始終保持伸張狀態。
線材20可適宜使用以碳鋼所製作之金屬線(例如鋼琴線)等。此外,線材20之粗細,只要較位在影像顯示面板2與表面面板3之間的透明樹脂層4之厚度來得細則無特別限定,但從切斷性之觀點,以使用50μm~100μm為佳。
使用上述切斷裝置將透明樹脂層4切斷時,若如上述般採用樹脂硬化後以肖氏E表現之硬度乘以接著強度所得之值為400以下之透明樹脂填充劑5,可使得線材20輕易於透明樹脂層4中移動,提升再製性。再者,切斷所需時間也可縮短,可提升產距時間(tact time)。
透明樹脂層4之切斷後,係將殘存於影像顯示面板2與表面面板3表面的樹脂硬化物以含有有機溶劑之去除用溶液來擦拭去除。例如,將去除用溶液從樹脂硬化物上滴下或以噴霧法來塗佈,在室溫放置5分鐘左右使得樹脂硬化物含浸潤脹,然後使用含浸有與塗佈於樹脂硬化物上之去除用溶液的有機溶劑相同溶劑的彈性體等所構成之線構件來擦拭樹脂硬化物。
於去除用溶液所含之有機溶劑可使用例如檸檬烯(C6
H10
,溶解參數:0.6)、甲苯(C7
H8
,溶解參數:8.8)。此等當中,從提升安全性之觀點來看,以使用檸檬烯做為有機溶劑為佳。此外,從提升擦拭性、揮發性之觀點來看,亦可添加乙醇、異丙醇。
去除透明樹脂層4(透明樹脂填充劑5)之後,對影像顯示面板2與表面面板3之擦拭表面以例如顯微鏡之外觀變化觀察來做檢查。當無樹脂硬化物之殘渣,表面未產生變質的情況下,回到步驟S1,重複進行上述最初的步驟。
藉由使用樹脂硬化後以肖氏E所表現之硬度乘以接著強度所得之值在400以下之透明樹脂填充劑5,當透明樹脂層4出現混入異物之異常情況,可將再製材輕易地移動至影像顯示面板2與表面面板3之間。亦即,若使得透明樹脂填充劑5之硬化物以肖氏E所表現之硬度乘以接著強度所得之值在400以下,可將影像顯示面板2與表面面板3輕易、確實地加以剝離,可做再利用,並可提升再製性。
<3.實施例>
以下舉出實施例具體說明本發明。在此實施例中,針對樹脂的塗佈性、可靠性、再製性等進行評價。又,本發明並不限於此等實施例。
[樹脂1]
將由聚異戊二烯聚合物之馬來酸酐加成物與甲基丙烯酸2-羥基乙酯所成之酯化物(商品名 UC102,(股份公司)克拉雷製,分子量12500)40質量份、甲基丙烯酸二環戊烯氧乙酯(商品名 FA512M,日立化成工業(股份公司)製)35質量份、丙烯酸2-羥基丙酯(商品名 輕酯HOP,共榮社化學(股份公司)製)3質量份、丙烯醯嗎啉(商品名 ACMO,(股份公司)興人製)3質量份、丙烯酸芐酯(商品名 C160,大阪有機工業(股份公司)製)15質量份、萜系加氫樹脂(商品名 克里阿龍P-85,安原化學(股份公司)製)35質量份、丁二烯聚合物(商品名 Polyoil110,日本傑翁(股份公司)製)120質量份、光聚合起始劑(商品名 SpeedCure TPO,日本席伊貝魯海克納(股份公司)製)0.5質量份、以及光聚合起始劑(商品名 伊魯嘉克亞184D,汽巴特用化學(股份公司)製)4質量份以混練機做混練,調製樹脂1。表1顯示上述樹脂1之配合成分。
[樹脂2]
將由聚異戊二烯聚合物之馬來酸酐加成物與甲基丙烯酸2-羥基乙酯所成之酯化物(商品名 UC102,(股份公司)克拉雷製,分子量12500)50質量份、甲基丙烯酸二環戊烯氧乙酯(商品名 FA512M,日立化成工業(股份公司)製)30質量份、丙烯酸2-羥基丙酯(商品名 輕酯HOP,共榮社化學(股份公司)製)6質量份、丙烯酸芐酯(商品名 C160,大阪有機工業(股份公司)製)10質量份、萜系加氫樹脂(商品名 克里阿龍P-85,安原化學(股份公司)製)30質量份、丁二烯聚合物(商品名 Polyoil110,日本傑翁(股份公司)製)130質量份、光聚合起始劑(商品名 SpeedCure TPO,日本席伊貝魯海克納(股份公司)製)3.5質量份、以及光聚合起始劑(商品名 伊魯嘉克亞184D,汽巴特用化學(股份公司)製)0.5質量份以混練機做混練,調製樹脂2。表1顯示上述樹脂2之配合成分。
[樹脂3]
將由聚異戊二烯聚合物之馬來酸酐加成物與甲基丙烯酸2-羥基乙酯所成之酯化物(商品名 UC203,(股份公司)克拉雷製,分子量25000)100質量份、甲基丙烯酸二環戊烯氧乙酯(商品名 FA512M,日立化成工業(股份公司)製)30質量份、丙烯酸2-羥基丙酯(商品名 輕酯HOP,共榮社化學(股份公司)製)10質量份、萜系加氫樹脂(商品名 克里阿龍P-85,安原化學(股份公司)製)30質量份、丁二烯聚合物(商品名 Polyoil110,日本傑翁(股份公司)製)210質量份、光聚合起始劑(商品名 SpeedCure TPO,日本席伊貝魯海克納(股份公司)製)1.5質量份、以及光聚合起始劑(商品名 伊魯嘉克亞184D,汽巴特用化學(股份公司)製)7質量份以混練機做混練,調製樹脂3。表1顯示上述樹脂3之配合成分。
[樹脂4]
將由聚異戊二烯聚合物之馬來酸酐加成物與甲基丙烯酸2-羥基乙酯所成之酯化物(商品名 UC102,(股份公司)克拉雷製,分子量12500)55質量份、甲基丙烯酸二環戊烯氧乙酯(商品名 FA512M,日立化成工業(股份公司)製)33質量份、丙烯酸2-羥基丙酯(商品名 輕酯HOP,共榮社化學(股份公司)製)7質量份、丙烯酸芐酯(商品名 C160,大阪有機工業(股份公司)製)5質量份、萜系加氫樹脂(商品名 克里阿龍P-85,安原化學(股份公司)製)30質量份、丁二烯聚合物(商品名 Polyoil110,日本傑翁(股份公司)製)130質量份、光聚合起始劑(商品名 SpeedCure TPO,日本席伊貝魯海克納(股份公司)製)0.5質量份、以及光聚合起始劑(商品名 伊魯嘉克亞184D,汽巴特用化學(股份公司)製)4質量份以混練機做混練,調製樹脂4。表1顯示上述樹脂4之配合成分。
[樹脂5]
將由聚異戊二烯聚合物之馬來酸酐加成物與甲基丙烯酸2-羥基乙酯所成之酯化物(商品名 UC102,(股份公司)克拉雷製,分子量12500)50質量份、甲基丙烯酸二環戊烯氧乙酯(商品名 FA512M,日立化成工業(股份公司)製)28質量份、丙烯酸2-羥基丙酯(商品名 輕酯HOP,共榮社化學(股份公司)製)7質量份、丙烯酸芐酯(商品名 C160,大阪有機工業(股份公司)製)15質量份、萜系加氫樹脂(商品名 克里阿龍P-85,安原化學(股份公司)製)56質量份、丁二烯聚合物(商品名 Polyoil110,日本傑翁(股份公司)製)100質量份、光聚合起始劑(商品名 SpeedCure TPO,日本席伊貝魯海克納(股份公司)製)0.5質量份、以及光聚合起始劑(商品名 伊魯嘉克亞184D,汽巴特用化學(股份公司)製)4質量份以混練機做混練,調製樹脂5。表1顯示上述樹脂5之配合成分。
[樹脂6]
將由聚異戊二烯聚合物之馬來酸酐加成物與甲基丙烯酸2-羥基乙酯所成之酯化物(商品名 UC203,(股份公司)克拉雷製,分子量25000)70質量份、甲基丙烯酸二環戊烯氧乙酯(商品名 FA512M,日立化成工業(股份公司)製)30質量份、丙烯酸2-羥基丙酯(商品名 輕酯HOP,共榮社化學(股份公司)製)10質量份、萜系加氫樹脂(商品名 克里阿龍P-85,安原化學(股份公司)製)30質量份、丁二烯聚合物(商品名 Polyoil110,日本傑翁(股份公司)製)140質量份、光聚合起始劑(商品名 SpeedCure TPO,日本席伊貝魯海克納(股份公司)製)0.5質量份、以及光聚合起始劑(商品名 伊魯嘉克亞184D,汽巴特用化學(股份公司)製)4質量份以混練機做混練,調製樹脂6。表1顯示上述樹脂6之配合成分。
對以此方式所調整之透明樹脂填充劑(樹脂1~6)進行各種測定。表2顯示各測定結果。
[黏度測定]
以E型黏度計(HAAK公司製造電流計PK100)在室溫下測定硬化前之透明樹脂填充劑(樹脂1~6)之黏度。其結果,樹脂1之黏度為800mPa‧s,樹脂2之黏度為1100mPa‧s,樹脂3之黏度為3800mPa‧s,樹脂4之黏度為1200mPa‧s,樹脂5之黏度為1300mPa‧s,樹脂6之黏度為3500mPa‧s。此處,樹脂1、2、4、5之黏度落在能以影像顯示面板或表面面板之重量充分擴展之範圍,而樹脂3、6之黏度落在能以抵壓影像顯示面板或表面面板而充分擴展之範圍。亦即,樹脂1~6具有優異之塗佈性。
[硬化物折射率測定]
以阿貝折射率計(鈉D線(585nm),25℃)來測定硬化後透明樹脂層(樹脂1~6)之折射率。其結果,樹脂1~6之折射率均為1.52。
[硬化收縮率測定]
以電子比重計(MIRAGE公司製造SD-120L)來測定硬化前樹脂與硬化後樹脂之比重,依據兩者之比重差藉由下述式來計算硬化收縮率。其結果,樹脂1、2、4~6之硬化收縮率為1.8,樹脂3之硬化收縮率為1.0。
硬化收縮率(%)=(硬化後樹脂比重-硬化前樹脂比重)/硬化後樹脂比重×100
由硬化物折射率之測定結果以及硬化收縮率之測定結果可知樹脂1~6在目視性上有優異之可靠性。
[接著強度測定]
對玻璃基板中央部滴下直徑5mm之透明樹脂填充劑(樹脂1~6),經由0.1mm間隔物於其上以正交方向載放丙烯酸樹脂基板,以紫外線硬化來做成試驗片。將此試驗片之丙烯酸樹脂基板固定,另一方面,將玻璃基板中未與丙烯酸樹脂基板接觸之兩端部以抵壓夾具(十字頭)抵壓,於室溫下測定直到丙烯酸樹脂基板與玻璃基板分離為止所需要的應力。抵壓速度為5mm/min,所得應力除以單位面積成為接著強度(凝集力)。其結果,樹脂1之接著強度為28N/cm2
,樹脂2之接著強度為20N/cm2
,樹脂3之接著強度為35N/cm2
,樹脂4之接著強度為39N/cm2
,樹脂5之接著強度為60N/cm2
,樹脂6之接著強度為50N/cm2
。
[硬度測定]
將適量之透明樹脂填充劑(樹脂1~6)裝入專用容器中,以紫外線使其硬化。硬化後之樹脂(樣本)裝設於比照JIS K6253之類型E硬度計(阿絲卡公司製造阿絲卡橡膠硬度計E型),自押針接觸起15秒後在室溫下測定硬度。此外,對樣品圓周部5點以上作測定,算出平均值。其結果,樹脂1以肖氏E硬度所表現之硬度為E4/15,樹脂2之硬度為E8/15,樹脂3之硬度為E7/15,樹脂4之硬度為E8/15,樹脂5之硬度為E7/15,樹脂6之硬度為E10/15。
[接著強度×硬度]
將上述接著強度與以肖氏E所表現之硬度相乘,做為再製性之參數。其結果,樹脂1為112,樹脂2為160,樹脂3為245,樹脂4為312,樹脂5為420,樹脂6為500。
[剝離強度測定]
將透明樹脂填充劑(樹脂1~6)以成為0.1mm厚度的方式填充至15cm×26cm大小之玻璃基板與丙烯酸樹脂基板之間,以紫外線使其硬化作成試驗片。將此試驗片15cm寬度的透明樹脂層以線材作剝離(切斷)時,測定施加在線材上之強度最大值。其結果,樹脂1剝離需要最大35N/15cm,樹脂2為最大35N/15cm,樹脂3為最大40N/15cm,樹脂4為最大44N/15cm,樹脂5為最大55N/15cm,樹脂6為最大55N/15cm。
若接著強度(凝集力)與以肖氏E所表現之硬度相乘所得之值變小,則剝離強度也變小,可知兩者具有相關性。亦即,以肖氏E所表現之硬度乘以接著強度所得之值為400以下之樹脂1~4,剝離強度也變小,可知樹脂硬化後之再製性獲得提升。
1...顯示裝置
2...影像顯示面板
3...表面面板
4...透明樹脂層
5...透明樹脂填充劑
10~13...滑輪
14,15...拉張彈簧
20...線材
圖1係呈現顯示裝置主要部分之截面圖。
圖2係呈現顯示裝置之製造方法一例之流程圖。
圖3係呈現填充步驟中顯示裝置主要部分之截面圖。
圖4係呈現硬化步驟中顯示裝置主要部分之截面圖。
圖5係呈現去除步驟中顯示裝置主要部分之截面圖。
圖6係呈現切斷裝置具體例1之俯視圖。
圖7係呈現切斷裝置具體例2之俯視圖。
1...顯示裝置
2...影像顯示面板
3...表面面板
4...透明樹脂層
Claims (12)
- 一種顯示裝置,係在影像顯示面板與表面面板之間具有透明樹脂填充劑經硬化而成之透明樹脂層者,其特徵在於:該透明樹脂層以肖氏E所表現之硬度為E4/15~E8/15,該硬度乘以接著強度所得之值為400以下。
- 如申請專利範圍第1項之顯示裝置,其中,該接著強度為20~80N/cm2 。
- 如申請專利範圍第2項之顯示裝置,其中,該透明樹脂填充劑之黏度為500~3000mPa‧s。
- 如申請專利範圍第3項之顯示裝置,其中,使該透明樹脂填充劑硬化時之硬化收縮率為2.5%以下。
- 一種顯示裝置之製造方法:具有填充步驟,於影像顯示面板與表面面板之間填充透明樹脂填充劑;硬化步驟,使該透明樹脂填充劑硬化以形成透明樹脂層;以及去除步驟,當該透明樹脂層有異物混入之情形時,將再製材移動至該表面面板與該影像顯示面板之間,以去除該透明樹脂層;該透明樹脂層以肖氏E所表現之硬度為E4/15~E8/15,該硬度乘以接著強度所得之值為400以下。
- 如申請專利範圍第5項之顯示裝置之製造方法,其中,該接著強度為20~80N/cm2 。
- 如申請專利範圍第6項之顯示裝置之製造方法,其中,該透明樹脂填充劑之黏度為500~3000mPa‧s。
- 如申請專利範圍第7項之顯示裝置之製造方法,其中,使該透明樹脂填充劑硬化時之硬化收縮率為2.5%以下。
- 一種透明樹脂填充劑,係填充於影像顯示面板與表面面板之間,其特徵在於:硬化後以肖氏E所表現之硬度為E4/15~E8/15,該硬度乘以接著強度所得之值為400以下。
- 如申請專利範圍第9項之透明樹脂填充劑,其中,該接著強度為20~80N/cm2 。
- 如申請專利範圍第10項之透明樹脂填充劑,其中,該透明樹脂填充劑之黏度為500~3000mPa‧s。
- 如申請專利範圍第11項之透明樹脂填充劑,其中,使該透明樹脂填充劑硬化時之硬化收縮率為2.5%以下。
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JP2009186962A (ja) * | 2007-07-17 | 2009-08-20 | Sony Chemical & Information Device Corp | 表示装置の製造方法 |
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CN102667892A (zh) | 2012-09-12 |
EP2490205A1 (en) | 2012-08-22 |
US9182625B2 (en) | 2015-11-10 |
US20120263956A1 (en) | 2012-10-18 |
WO2011045862A1 (ja) | 2011-04-21 |
TW201115527A (en) | 2011-05-01 |
KR20120086310A (ko) | 2012-08-02 |
EP2490205A4 (en) | 2014-06-18 |
KR102023323B1 (ko) | 2019-09-20 |
CN102667892B (zh) | 2015-05-20 |
JP5491525B2 (ja) | 2014-05-14 |
HK1210861A1 (zh) | 2016-05-06 |
HK1174137A1 (zh) | 2013-05-31 |
KR20160141876A (ko) | 2016-12-09 |
EP2490205B1 (en) | 2020-09-30 |
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