JP5440997B2 - 有機elディスプレイ用封着材料 - Google Patents
有機elディスプレイ用封着材料 Download PDFInfo
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- JP5440997B2 JP5440997B2 JP2008212424A JP2008212424A JP5440997B2 JP 5440997 B2 JP5440997 B2 JP 5440997B2 JP 2008212424 A JP2008212424 A JP 2008212424A JP 2008212424 A JP2008212424 A JP 2008212424A JP 5440997 B2 JP5440997 B2 JP 5440997B2
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- glass
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- sealing material
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- bismuth
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- 239000003566 sealing material Substances 0.000 title claims description 75
- 239000011521 glass Substances 0.000 claims description 233
- 239000000843 powder Substances 0.000 claims description 74
- 229910052797 bismuth Inorganic materials 0.000 claims description 38
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims description 38
- 239000000945 filler Substances 0.000 claims description 38
- 238000007789 sealing Methods 0.000 claims description 28
- 239000000203 mixture Substances 0.000 claims description 27
- 239000002245 particle Substances 0.000 claims description 23
- 229910015902 Bi 2 O 3 Inorganic materials 0.000 claims description 8
- 239000000049 pigment Substances 0.000 claims description 7
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 6
- OJLGWNFZMTVNCX-UHFFFAOYSA-N dioxido(dioxo)tungsten;zirconium(4+) Chemical compound [Zr+4].[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O OJLGWNFZMTVNCX-UHFFFAOYSA-N 0.000 claims description 6
- 229910052878 cordierite Inorganic materials 0.000 claims description 4
- JSKIRARMQDRGJZ-UHFFFAOYSA-N dimagnesium dioxido-bis[(1-oxido-3-oxo-2,4,6,8,9-pentaoxa-1,3-disila-5,7-dialuminabicyclo[3.3.1]nonan-7-yl)oxy]silane Chemical compound [Mg++].[Mg++].[O-][Si]([O-])(O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2)O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2 JSKIRARMQDRGJZ-UHFFFAOYSA-N 0.000 claims description 4
- 229910052844 willemite Inorganic materials 0.000 claims description 4
- 229910000166 zirconium phosphate Inorganic materials 0.000 claims description 4
- LEHFSLREWWMLPU-UHFFFAOYSA-B zirconium(4+);tetraphosphate Chemical compound [Zr+4].[Zr+4].[Zr+4].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LEHFSLREWWMLPU-UHFFFAOYSA-B 0.000 claims description 4
- 229910019142 PO4 Inorganic materials 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 3
- 239000010452 phosphate Substances 0.000 claims description 3
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims description 3
- 229910001887 tin oxide Inorganic materials 0.000 claims description 3
- 229910052845 zircon Inorganic materials 0.000 claims description 3
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 claims description 3
- 239000000758 substrate Substances 0.000 description 42
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 32
- 230000001771 impaired effect Effects 0.000 description 18
- 238000002844 melting Methods 0.000 description 18
- 230000008018 melting Effects 0.000 description 18
- 238000004031 devitrification Methods 0.000 description 17
- 230000031700 light absorption Effects 0.000 description 16
- 239000011347 resin Substances 0.000 description 10
- 229920005989 resin Polymers 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 239000000463 material Substances 0.000 description 8
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000003513 alkali Substances 0.000 description 5
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 4
- 229910005191 Ga 2 O 3 Inorganic materials 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- 229910010413 TiO 2 Inorganic materials 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- CXWXQJXEFPUFDZ-UHFFFAOYSA-N tetralin Chemical compound C1=CC=C2CCCCC2=C1 CXWXQJXEFPUFDZ-UHFFFAOYSA-N 0.000 description 3
- WUOACPNHFRMFPN-SECBINFHSA-N (S)-(-)-alpha-terpineol Chemical compound CC1=CC[C@@H](C(C)(C)O)CC1 WUOACPNHFRMFPN-SECBINFHSA-N 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- 239000001856 Ethyl cellulose Substances 0.000 description 2
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 description 2
- 239000000020 Nitrocellulose Substances 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 125000005396 acrylic acid ester group Chemical group 0.000 description 2
- OVKDFILSBMEKLT-UHFFFAOYSA-N alpha-Terpineol Natural products CC(=C)C1(O)CCC(C)=CC1 OVKDFILSBMEKLT-UHFFFAOYSA-N 0.000 description 2
- 229940088601 alpha-terpineol Drugs 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 229920001249 ethyl cellulose Polymers 0.000 description 2
- 235000019325 ethyl cellulose Nutrition 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 230000009477 glass transition Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- MLFHJEHSLIIPHL-UHFFFAOYSA-N isoamyl acetate Chemical compound CC(C)CCOC(C)=O MLFHJEHSLIIPHL-UHFFFAOYSA-N 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 229920001220 nitrocellulos Polymers 0.000 description 2
- 238000005191 phase separation Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- -1 polymethylstyrene Polymers 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 230000003685 thermal hair damage Effects 0.000 description 2
- CUVLMZNMSPJDON-UHFFFAOYSA-N 1-(1-butoxypropan-2-yloxy)propan-2-ol Chemical compound CCCCOCC(C)OCC(C)O CUVLMZNMSPJDON-UHFFFAOYSA-N 0.000 description 1
- VXQBJTKSVGFQOL-UHFFFAOYSA-N 2-(2-butoxyethoxy)ethyl acetate Chemical compound CCCCOCCOCCOC(C)=O VXQBJTKSVGFQOL-UHFFFAOYSA-N 0.000 description 1
- FPZWZCWUIYYYBU-UHFFFAOYSA-N 2-(2-ethoxyethoxy)ethyl acetate Chemical compound CCOCCOCCOC(C)=O FPZWZCWUIYYYBU-UHFFFAOYSA-N 0.000 description 1
- WAEVWDZKMBQDEJ-UHFFFAOYSA-N 2-[2-(2-methoxypropoxy)propoxy]propan-1-ol Chemical compound COC(C)COC(C)COC(C)CO WAEVWDZKMBQDEJ-UHFFFAOYSA-N 0.000 description 1
- QCAHUFWKIQLBNB-UHFFFAOYSA-N 3-(3-methoxypropoxy)propan-1-ol Chemical compound COCCCOCCCO QCAHUFWKIQLBNB-UHFFFAOYSA-N 0.000 description 1
- MFKRHJVUCZRDTF-UHFFFAOYSA-N 3-methoxy-3-methylbutan-1-ol Chemical compound COC(C)(C)CCO MFKRHJVUCZRDTF-UHFFFAOYSA-N 0.000 description 1
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- RPYNRYGNIGNIHL-UHFFFAOYSA-N C(COCCOCCO)O.C(CCC)OCC(C)O Chemical compound C(COCCOCCO)O.C(CCC)OCC(C)O RPYNRYGNIGNIHL-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 229910021193 La 2 O 3 Inorganic materials 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229910052792 caesium Inorganic materials 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- XXJWXESWEXIICW-UHFFFAOYSA-N diethylene glycol monoethyl ether Chemical compound CCOCCOCCO XXJWXESWEXIICW-UHFFFAOYSA-N 0.000 description 1
- 229940075557 diethylene glycol monoethyl ether Drugs 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 229940093499 ethyl acetate Drugs 0.000 description 1
- 229910000174 eucryptite Inorganic materials 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000006066 glass batch Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229940117955 isoamyl acetate Drugs 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 125000005397 methacrylic acid ester group Chemical group 0.000 description 1
- 239000006060 molten glass Substances 0.000 description 1
- WVDDGKGOMKODPV-ZQBYOMGUSA-N phenyl(114C)methanol Chemical compound O[14CH2]C1=CC=CC=C1 WVDDGKGOMKODPV-ZQBYOMGUSA-N 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000012508 resin bead Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000005394 sealing glass Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- JLGLQAWTXXGVEM-UHFFFAOYSA-N triethylene glycol monomethyl ether Chemical compound COCCOCCOCCO JLGLQAWTXXGVEM-UHFFFAOYSA-N 0.000 description 1
- YFNKIDBQEZZDLK-UHFFFAOYSA-N triglyme Chemical compound COCCOCCOCCOC YFNKIDBQEZZDLK-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Electroluminescent Light Sources (AREA)
- Glass Compositions (AREA)
Description
時にガラスの失透を促進する作用を有するため合量で2%以下とするのが好ましい。
Claims (15)
- ビスマス系ガラス粉末25〜60体積%未満、耐火性フィラー粉末40超〜75体積%を含有する有機ELディスプレイ用封着材料であって、
30〜300℃の温度範囲における熱膨張係数が55×10 −7 /℃以下であり、且つビスマス系ガラス粉末が、ガラス組成として、CuO+Fe2O3を0.5〜15質量%含有することを特徴とする有機ELディスプレイ用封着材料。 - 照射光による封着処理に供されることを特徴とする請求項1に記載の有機ELディスプレイ用封着材料。
- 照射光がレーザー光であることを特徴とする請求項2に記載の有機ELディスプレイ用封着材料。
- 照射光が赤外光であることを特徴とする請求項2に記載の有機ELディスプレイ用封着材料。
- ビスマス系ガラス粉末が、ガラス組成として、下記酸化物換算の質量%表示で、Bi2O3 67〜87%、B2O3 2〜12%、ZnO 1〜20%、CuO+Fe2O3 0.5〜15%を含有することを特徴とする請求項1〜4のいずれかに記載の有機ELディスプレイ用封着材料。
- ビスマス系ガラス粉末25〜50体積%未満、耐火性フィラー粉末50超〜75体積%を含有することを特徴とする請求項1〜5のいずれかに記載の有機ELディスプレイ用封着材料。
- 耐火性フィラー粉末が、コーディエライト、ウイレマイト、アルミナ、リン酸タングステン酸ジルコニウム、タングステン酸ジルコニウム、リン酸ジルコニウム、ジルコン、ジルコニア、酸化スズから選ばれる一種または二種以上であることを特徴とする請求項1〜6のいずれかに記載の有機ELディスプレイ用封着材料。
- 実質的にPbOを含有しないことを特徴とする請求項1〜7のいずれかに記載の有機ELディスプレイ用封着材料。
- 30〜300℃の温度範囲における熱膨張係数が50×10−7/℃未満であることを特徴とする請求項1〜8のいずれかに記載の有機ELディスプレイ用封着材料。
- 耐火性フィラー粉末の平均粒子径D50が15μm未満であることを特徴とする請求項1〜9のいずれかに記載の有機ELディスプレイ用封着材料。
- 耐火性フィラー粉末の最大粒子径Dmaxが30μm以下であることを特徴とする請求項1〜10のいずれかに記載の有機ELディスプレイ用封着材料。
- 更に、酸化物顔料を0〜10体積%含有することを特徴とする請求項1〜11のいずれかに記載の有機ELディスプレイ用封着材料。
- 耐火性フィラー粉末の最大粒子径D max が10μm以下であることを特徴とする請求項1〜12のいずれかに記載の有機ELディスプレイ用封着材料。
- ビスマス系ガラス粉末が、ガラス組成として、CuO+Fe 2 O 3 を3〜15質量%含有する請求項1〜13のいずれかに記載の有機ELディスプレイ用封着材料。
- ビスマス系ガラス粉末が、ガラス組成として、CuOを3〜15質量%含有する請求項1〜14のいずれかに記載の有機ELディスプレイ用封着材料。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008212424A JP5440997B2 (ja) | 2008-08-21 | 2008-08-21 | 有機elディスプレイ用封着材料 |
KR1020127007801A KR101236373B1 (ko) | 2008-02-28 | 2009-01-26 | 유기 el 디스플레이의 제조 방법 |
KR1020127007795A KR20120046321A (ko) | 2008-02-28 | 2009-01-26 | 유기 el 디스플레이용 봉착 재료 |
KR1020127007798A KR101236371B1 (ko) | 2008-02-28 | 2009-01-26 | 유기 el 디스플레이용 글레이즈막 부착 무알칼리 유리 기판 |
PCT/JP2009/051167 WO2009107428A1 (ja) | 2008-02-28 | 2009-01-26 | 有機elディスプレイ用封着材料 |
KR1020107007027A KR101236369B1 (ko) | 2008-02-28 | 2009-01-26 | 유기 el 디스플레이용 봉착 재료 |
KR1020137004395A KR101330100B1 (ko) | 2008-02-28 | 2009-01-26 | 유기 el 디스플레이용 봉착 재료 |
Applications Claiming Priority (1)
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JP2008212424A JP5440997B2 (ja) | 2008-08-21 | 2008-08-21 | 有機elディスプレイ用封着材料 |
Publications (3)
Publication Number | Publication Date |
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JP2010047441A JP2010047441A (ja) | 2010-03-04 |
JP2010047441A5 JP2010047441A5 (ja) | 2012-12-13 |
JP5440997B2 true JP5440997B2 (ja) | 2014-03-12 |
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JP2008212424A Expired - Fee Related JP5440997B2 (ja) | 2008-02-28 | 2008-08-21 | 有機elディスプレイ用封着材料 |
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Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2011158805A1 (ja) | 2010-06-14 | 2011-12-22 | 旭硝子株式会社 | 封着材料ペーストとそれを用いた電子デバイスの製造方法 |
KR101416203B1 (ko) | 2010-07-02 | 2014-07-15 | 유겡가이샤 소피아 프로덕트 | 접합재 |
JP6031846B2 (ja) * | 2011-07-27 | 2016-11-24 | 日本電気硝子株式会社 | 封着材料層付きガラス基板及びこれを用いた有機elデバイス |
JP2015137186A (ja) * | 2014-01-20 | 2015-07-30 | 旭硝子株式会社 | 封着材料、封着材料層付き基板およびその製造方法、ならびに封着体 |
CN108883971A (zh) * | 2016-04-01 | 2018-11-23 | 日本电气硝子株式会社 | 玻璃粉末及使用其的密封材料 |
JP6840982B2 (ja) * | 2016-10-13 | 2021-03-10 | 日本電気硝子株式会社 | ビスマス系ガラス及びそれを用いた封着材料 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3424219B2 (ja) * | 1994-08-17 | 2003-07-07 | 日本電気硝子株式会社 | 低融点封着用組成物 |
JP4016507B2 (ja) * | 1998-10-21 | 2007-12-05 | 日本電気硝子株式会社 | ビスマス系ガラス組成物 |
US6555025B1 (en) * | 2000-01-31 | 2003-04-29 | Candescent Technologies Corporation | Tuned sealing material for sealing of a flat panel display |
JP4815975B2 (ja) * | 2005-06-23 | 2011-11-16 | 旭硝子株式会社 | 低融点ガラスおよび封着用組成物ならびに封着用ペースト |
JP2006143480A (ja) * | 2004-11-16 | 2006-06-08 | Nippon Electric Glass Co Ltd | Bi2O3−B2O3系ガラス組成物およびBi2O3−B2O3系封着材料 |
JP4972954B2 (ja) * | 2005-03-09 | 2012-07-11 | 日本電気硝子株式会社 | ビスマス系ガラス組成物およびビスマス系封着材料 |
JP2008037740A (ja) * | 2006-07-11 | 2008-02-21 | Nippon Electric Glass Co Ltd | 封着用ガラス組成物および封着材料 |
US7800303B2 (en) * | 2006-11-07 | 2010-09-21 | Corning Incorporated | Seal for light emitting display device, method, and apparatus |
JP5413562B2 (ja) * | 2007-12-06 | 2014-02-12 | 日本電気硝子株式会社 | 封着材料 |
JP5458579B2 (ja) * | 2008-02-28 | 2014-04-02 | 日本電気硝子株式会社 | 有機elディスプレイ用封着材料 |
JP5311274B2 (ja) * | 2008-07-14 | 2013-10-09 | 日本電気硝子株式会社 | ビスマス系ガラス組成物および封着材料 |
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