KR20130118483A - 표시 소자 보호용 충격 흡수 필름 - Google Patents
표시 소자 보호용 충격 흡수 필름 Download PDFInfo
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- KR20130118483A KR20130118483A KR1020120041380A KR20120041380A KR20130118483A KR 20130118483 A KR20130118483 A KR 20130118483A KR 1020120041380 A KR1020120041380 A KR 1020120041380A KR 20120041380 A KR20120041380 A KR 20120041380A KR 20130118483 A KR20130118483 A KR 20130118483A
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- film layer
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- 230000035939 shock Effects 0.000 title claims abstract description 56
- 239000010410 layer Substances 0.000 claims abstract description 180
- 239000012790 adhesive layer Substances 0.000 claims abstract description 45
- 238000004049 embossing Methods 0.000 claims abstract description 37
- -1 polypropylene Polymers 0.000 claims abstract description 33
- 239000004743 Polypropylene Substances 0.000 claims abstract description 27
- 229920001971 elastomer Polymers 0.000 claims abstract description 27
- 229920001155 polypropylene Polymers 0.000 claims abstract description 27
- 229920000139 polyethylene terephthalate Polymers 0.000 claims abstract description 26
- 239000005020 polyethylene terephthalate Substances 0.000 claims abstract description 26
- 239000000806 elastomer Substances 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 15
- 229920000642 polymer Polymers 0.000 claims abstract description 14
- 239000002861 polymer material Substances 0.000 claims abstract description 13
- 229920002635 polyurethane Polymers 0.000 claims abstract description 12
- 239000004814 polyurethane Substances 0.000 claims abstract description 12
- 239000004417 polycarbonate Substances 0.000 claims abstract description 8
- 229920000515 polycarbonate Polymers 0.000 claims abstract description 8
- 239000004677 Nylon Substances 0.000 claims abstract description 7
- 229920001778 nylon Polymers 0.000 claims abstract description 7
- 229920000728 polyester Polymers 0.000 claims abstract description 7
- 229920002647 polyamide Polymers 0.000 claims abstract description 4
- 229920000098 polyolefin Polymers 0.000 claims abstract description 4
- 239000004952 Polyamide Substances 0.000 claims abstract description 3
- 239000004793 Polystyrene Substances 0.000 claims abstract description 3
- 229920002223 polystyrene Polymers 0.000 claims abstract description 3
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims description 7
- 229920005989 resin Polymers 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 5
- 230000008569 process Effects 0.000 abstract description 5
- 239000010408 film Substances 0.000 description 210
- 239000000463 material Substances 0.000 description 27
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- 230000001070 adhesive effect Effects 0.000 description 10
- 239000000853 adhesive Substances 0.000 description 9
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 8
- 229920002725 thermoplastic elastomer Polymers 0.000 description 7
- 150000001875 compounds Chemical class 0.000 description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 5
- 239000002952 polymeric resin Substances 0.000 description 5
- 229920003002 synthetic resin Polymers 0.000 description 5
- 239000003431 cross linking reagent Substances 0.000 description 4
- 238000009863 impact test Methods 0.000 description 4
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- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 4
- 239000005341 toughened glass Substances 0.000 description 4
- 239000004593 Epoxy Substances 0.000 description 3
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- 238000010030 laminating Methods 0.000 description 3
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- 229920001169 thermoplastic Polymers 0.000 description 3
- 229920006346 thermoplastic polyester elastomer Polymers 0.000 description 3
- 239000004416 thermosoftening plastic Substances 0.000 description 3
- JIABEENURMZTTI-UHFFFAOYSA-N 1-isocyanato-2-[(2-isocyanatophenyl)methyl]benzene Chemical compound O=C=NC1=CC=CC=C1CC1=CC=CC=C1N=C=O JIABEENURMZTTI-UHFFFAOYSA-N 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 2
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 2
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical compound CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 description 2
- 239000003522 acrylic cement Substances 0.000 description 2
- 150000001408 amides Chemical class 0.000 description 2
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 125000005442 diisocyanate group Chemical group 0.000 description 2
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 2
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 description 2
- 150000002734 metacrylic acid derivatives Chemical class 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920000058 polyacrylate Polymers 0.000 description 2
- 229920005862 polyol Polymers 0.000 description 2
- 150000003077 polyols Chemical class 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 238000007650 screen-printing Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- NOWKCMXCCJGMRR-UHFFFAOYSA-N Aziridine Chemical compound C1CN1 NOWKCMXCCJGMRR-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 1
- 229920002943 EPDM rubber Polymers 0.000 description 1
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 1
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 description 1
- JHWNWJKBPDFINM-UHFFFAOYSA-N Laurolactam Chemical compound O=C1CCCCCCCCCCCN1 JHWNWJKBPDFINM-UHFFFAOYSA-N 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 229920000299 Nylon 12 Polymers 0.000 description 1
- 239000005062 Polybutadiene Substances 0.000 description 1
- 229920002614 Polyether block amide Polymers 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 229920003232 aliphatic polyester Polymers 0.000 description 1
- 150000001336 alkenes Chemical class 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
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 238000009125 cardiac resynchronization therapy Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000013522 chelant Substances 0.000 description 1
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- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- SUPCQIBBMFXVTL-UHFFFAOYSA-N ethyl 2-methylprop-2-enoate Chemical compound CCOC(=O)C(C)=C SUPCQIBBMFXVTL-UHFFFAOYSA-N 0.000 description 1
- XYIBRDXRRQCHLP-UHFFFAOYSA-N ethyl acetoacetate Chemical compound CCOC(=O)CC(C)=O XYIBRDXRRQCHLP-UHFFFAOYSA-N 0.000 description 1
- 235000010299 hexamethylene tetramine Nutrition 0.000 description 1
- 239000004312 hexamethylene tetramine Substances 0.000 description 1
- 230000005525 hole transport Effects 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000005026 oriented polypropylene Substances 0.000 description 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229920001467 poly(styrenesulfonates) Polymers 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
- 150000003071 polychlorinated biphenyls Chemical class 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920001228 polyisocyanate Polymers 0.000 description 1
- 239000005056 polyisocyanate Substances 0.000 description 1
- 229920005903 polyol mixture Polymers 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920002742 polystyrene-block-poly(ethylene/propylene) -block-polystyrene Polymers 0.000 description 1
- 229920000346 polystyrene-polyisoprene block-polystyrene Polymers 0.000 description 1
- 229920000909 polytetrahydrofuran Polymers 0.000 description 1
- 229920001289 polyvinyl ether Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- NHARPDSAXCBDDR-UHFFFAOYSA-N propyl 2-methylprop-2-enoate Chemical compound CCCOC(=O)C(C)=C NHARPDSAXCBDDR-UHFFFAOYSA-N 0.000 description 1
- PNXMTCDJUBJHQJ-UHFFFAOYSA-N propyl prop-2-enoate Chemical compound CCCOC(=O)C=C PNXMTCDJUBJHQJ-UHFFFAOYSA-N 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 description 1
- 229920001935 styrene-ethylene-butadiene-styrene Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 150000003673 urethanes Chemical class 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 239000004711 α-olefin Substances 0.000 description 1
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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
- 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
- B32B27/08—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 of synthetic resin
-
- 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
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
-
- 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
- B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
-
- 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
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/28—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer comprising a deformed thin sheet, i.e. the layer having its entire thickness deformed out of the plane, e.g. corrugated, crumpled
-
- 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
- B32B7/00—Layered 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
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- 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
- B32B2250/00—Layers arrangement
- B32B2250/24—All layers being polymeric
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- Laminated Bodies (AREA)
Abstract
Description
도 2는 본 발명의 제 2 실시예에 따른 충격 흡수 필름의 적층 구조를 개략적으로 보여주는 단면도.
도 3은 본 발명의 제 3 실시예에 따른 충격 흡수 필름의 적층 구조를 개략적으로 보여주는 단면도.
도 4는 본 발명의 제 4 실시예에 따른 충격 흡수 필름의 적층 구조를 개략적으로 보여주는 단면도.
시험 항목 (낙구 충격 시험) |
강화유리(3T) + 필름 | 강화유리(3T) |
낙하 높이 0.5 m | 이상 없음 | 깨짐 |
낙하 높이 1.0 m | 이상 없음 | 깨짐 |
낙하 높이 1.5 m | 이상 없음 | 깨짐 |
120, 220, 320, 420 : 제 1 점착층 130, 230, 330, 430 : 제 2 필름층
132, 232, 332, 332 : 제 1 엠보싱 234, 334, 434 : 제 2 엠보싱
140, 240, 340, 440 : 제 2 점착층 150, 250, 350, 450 : 제 3 필름층
Claims (5)
- 폴리프로필렌(Polypropylene, PP), 폴리에틸렌테레프탈레이트(Polyethylene terephthalate, PET), 폴리카보네이트(Polycarbonate, PC) 및 나일론으로 구성되는 군에서 선택되는 고분자 소재의 제 1 필름층;
제 1 점착층을 통하여 상기 제 1 필름층의 일면에 형성되고, 상면과 저면 중 적어도 하나의 일면에 엠보싱이 형성되는 제 2 필름층으로서, 폴리우레탄계, 폴리에스테르계, 폴리아미드계, 폴리올레핀계 및 폴리스티렌계에서 선택되는 고분자 엘라스토머의 제 2 필름층; 및
제 2 점착층을 통하여 상기 제 2 필름층의 저면에 형성되며, 폴리프로필렌, 폴리에틸렌테레프탈레이트, 폴리카보네이트 및 나일론으로 구성되는 군에서 선택되는 고분자 소재의 제 3 필름층을 포함하는 충격 흡수 필름.
- 제 1항에 있어서,
상기 제 1 필름층 및 상기 제 3 필름층은 폴리에틸렌테레프탈레이트 수지로 제조되는 것을 특징으로 하는 충격 흡수 필름.
- 제 1항 또는 제 2항에 있어서,
상기 제 2 필름층은 열가소성 폴리우레탄 수지로 제조되는 충격 흡수 필름.
- 제 1항 또는 제 2항에 있어서,
상기 제 2 필름층에 형성되는 엠보싱은 그 단면 형상이 쐐기, 물결무늬 또는 절곡된 요철 형상 중에서 선택되는 것을 특징으로 하는 충격 흡수 필름.
- 제 1항 또는 제 2항에 있어서,
상기 엠보싱은 상기 제 2 필름층의 상면과 저면에 모두 형성되는 것을 특징으로 하는 충격 흡수 필름.
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KR1020120041380A KR20130118483A (ko) | 2012-04-20 | 2012-04-20 | 표시 소자 보호용 충격 흡수 필름 |
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KR1020120041380A KR20130118483A (ko) | 2012-04-20 | 2012-04-20 | 표시 소자 보호용 충격 흡수 필름 |
Publications (1)
Publication Number | Publication Date |
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KR20130118483A true KR20130118483A (ko) | 2013-10-30 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112133196A (zh) * | 2019-06-25 | 2020-12-25 | 三星显示有限公司 | 显示装置 |
EP3786692A1 (en) * | 2019-08-27 | 2021-03-03 | Samsung Display Co., Ltd. | Display device |
KR102521669B1 (ko) * | 2022-05-23 | 2023-04-14 | 한신범 | 샌드위치패널 및 그 제조방법 |
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2012
- 2012-04-20 KR KR1020120041380A patent/KR20130118483A/ko not_active Application Discontinuation
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CN112133196A (zh) * | 2019-06-25 | 2020-12-25 | 三星显示有限公司 | 显示装置 |
US12075689B2 (en) | 2019-06-25 | 2024-08-27 | Samsung Display Co., Ltd. | Display device having flexible support member having openings |
EP3786692A1 (en) * | 2019-08-27 | 2021-03-03 | Samsung Display Co., Ltd. | Display device |
US11508922B2 (en) | 2019-08-27 | 2022-11-22 | Samsung Display Co., Ltd. | Display device including elastic member |
US11825731B2 (en) | 2019-08-27 | 2023-11-21 | Samsung Display Co., Ltd. | Display device including elastic member |
US12207540B2 (en) | 2019-08-27 | 2025-01-21 | Samsung Display Co., Ltd. | Display device including elastic member |
KR102521669B1 (ko) * | 2022-05-23 | 2023-04-14 | 한신범 | 샌드위치패널 및 그 제조방법 |
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