JP4918642B2 - 光学部品および表示装置 - Google Patents
光学部品および表示装置 Download PDFInfo
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- JP4918642B2 JP4918642B2 JP2007133356A JP2007133356A JP4918642B2 JP 4918642 B2 JP4918642 B2 JP 4918642B2 JP 2007133356 A JP2007133356 A JP 2007133356A JP 2007133356 A JP2007133356 A JP 2007133356A JP 4918642 B2 JP4918642 B2 JP 4918642B2
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- light
- phosphor
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- 230000003287 optical effect Effects 0.000 title claims description 89
- 238000006243 chemical reaction Methods 0.000 claims description 214
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- 125000001424 substituent group Chemical group 0.000 claims description 117
- 230000005284 excitation Effects 0.000 claims description 113
- 239000000463 material Substances 0.000 claims description 102
- -1 rare earth ion Chemical class 0.000 claims description 49
- 239000003446 ligand Substances 0.000 claims description 28
- 125000000217 alkyl group Chemical group 0.000 claims description 23
- 239000011347 resin Substances 0.000 claims description 17
- 229920005989 resin Polymers 0.000 claims description 17
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 16
- 150000001450 anions Chemical class 0.000 claims description 15
- 239000011230 binding agent Substances 0.000 claims description 15
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 13
- 239000004973 liquid crystal related substance Substances 0.000 claims description 11
- 210000002858 crystal cell Anatomy 0.000 claims description 10
- 239000000126 substance Substances 0.000 claims description 10
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims description 8
- 239000007848 Bronsted acid Substances 0.000 claims description 7
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 7
- 125000001153 fluoro group Chemical group F* 0.000 claims description 7
- 229910052731 fluorine Inorganic materials 0.000 claims description 5
- 238000000295 emission spectrum Methods 0.000 claims description 4
- 230000001678 irradiating effect Effects 0.000 claims description 3
- 125000004432 carbon atom Chemical group C* 0.000 description 94
- 125000003118 aryl group Chemical group 0.000 description 65
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- 125000003710 aryl alkyl group Chemical group 0.000 description 25
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- 0 CC=CC=CC(C(c1c(*)c(I)c(C(c2ccccc2)C(I)=C(c2ccccc2)c2c3I)c2c1c(C1c2ccccc2)c3I)=C1I)=CC=* Chemical compound CC=CC=CC(C(c1c(*)c(I)c(C(c2ccccc2)C(I)=C(c2ccccc2)c2c3I)c2c1c(C1c2ccccc2)c3I)=C1I)=CC=* 0.000 description 7
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- 125000004659 aryl alkyl thio group Chemical group 0.000 description 5
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- YNPNZTXNASCQKK-UHFFFAOYSA-N phenanthrene Chemical compound C1=CC=C2C3=CC=CC=C3C=CC2=C1 YNPNZTXNASCQKK-UHFFFAOYSA-N 0.000 description 5
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 5
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- ZKBKRTZIYOKNRG-UHFFFAOYSA-N 1,3,6,8-tetrabromopyrene Chemical compound C1=C2C(Br)=CC(Br)=C(C=C3)C2=C2C3=C(Br)C=C(Br)C2=C1 ZKBKRTZIYOKNRG-UHFFFAOYSA-N 0.000 description 4
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- DGEZNRSVGBDHLK-UHFFFAOYSA-N [1,10]phenanthroline Chemical compound C1=CN=C2C3=NC=CC=C3C=CC2=C1 DGEZNRSVGBDHLK-UHFFFAOYSA-N 0.000 description 4
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- 239000013078 crystal Substances 0.000 description 4
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 4
- GVEPBJHOBDJJJI-UHFFFAOYSA-N fluoranthrene Natural products C1=CC(C2=CC=CC=C22)=C3C2=CC=CC3=C1 GVEPBJHOBDJJJI-UHFFFAOYSA-N 0.000 description 4
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- AWJUIBRHMBBTKR-UHFFFAOYSA-N isoquinoline Chemical compound C1=NC=CC2=CC=CC=C21 AWJUIBRHMBBTKR-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 4
- 125000001820 oxy group Chemical group [*:1]O[*:2] 0.000 description 4
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 4
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- 238000003786 synthesis reaction Methods 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
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- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 125000005108 alkenylthio group Chemical group 0.000 description 3
- 125000002102 aryl alkyloxo group Chemical group 0.000 description 3
- 125000005161 aryl oxy carbonyl group Chemical group 0.000 description 3
- 125000002837 carbocyclic group Chemical group 0.000 description 3
- DMEGYFMYUHOHGS-UHFFFAOYSA-N heptamethylene Natural products C1CCCCCC1 DMEGYFMYUHOHGS-UHFFFAOYSA-N 0.000 description 3
- 150000007527 lewis bases Chemical class 0.000 description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 125000001624 naphthyl group Chemical group 0.000 description 3
- 229920000515 polycarbonate Polymers 0.000 description 3
- 239000004417 polycarbonate Substances 0.000 description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 3
- 229910010271 silicon carbide Inorganic materials 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 125000000472 sulfonyl group Chemical group *S(*)(=O)=O 0.000 description 3
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 3
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical compound C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 description 2
- YWKONAIFFYXFIU-UHFFFAOYSA-N 1,3,6,8-tetrakis[4-(trifluoromethyl)phenyl]pyrene Chemical compound C1=CC(C(F)(F)F)=CC=C1C(C1=CC=C23)=CC(C=4C=CC(=CC=4)C(F)(F)F)=C(C=C4)C1=C2C4=C(C=1C=CC(=CC=1)C(F)(F)F)C=C3C1=CC=C(C(F)(F)F)C=C1 YWKONAIFFYXFIU-UHFFFAOYSA-N 0.000 description 2
- VWCFQNQVNVMFGV-UHFFFAOYSA-N 1-octylsulfinyloctane Chemical compound CCCCCCCCS(=O)CCCCCCCC VWCFQNQVNVMFGV-UHFFFAOYSA-N 0.000 description 2
- FERMVCULDZOVOJ-UHFFFAOYSA-N 2-(1-oxidopyridin-2-ylidene)pyridin-1-ium 1-oxide Chemical compound [O-]N1C=CC=CC1=C1[N+](=O)C=CC=C1 FERMVCULDZOVOJ-UHFFFAOYSA-N 0.000 description 2
- 125000000094 2-phenylethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])C([H])([H])* 0.000 description 2
- GJCOSYZMQJWQCA-UHFFFAOYSA-N 9H-xanthene Chemical compound C1=CC=C2CC3=CC=CC=C3OC2=C1 GJCOSYZMQJWQCA-UHFFFAOYSA-N 0.000 description 2
- KYNSBQPICQTCGU-UHFFFAOYSA-N Benzopyrane Chemical compound C1=CC=C2C=CCOC2=C1 KYNSBQPICQTCGU-UHFFFAOYSA-N 0.000 description 2
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- RGSFGYAAUTVSQA-UHFFFAOYSA-N Cyclopentane Chemical compound C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 description 2
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
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- 150000001204 N-oxides Chemical class 0.000 description 2
- ZCQWOFVYLHDMMC-UHFFFAOYSA-N Oxazole Chemical compound C1=COC=N1 ZCQWOFVYLHDMMC-UHFFFAOYSA-N 0.000 description 2
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- PCNDJXKNXGMECE-UHFFFAOYSA-N Phenazine Natural products C1=CC=CC2=NC3=CC=CC=C3N=C21 PCNDJXKNXGMECE-UHFFFAOYSA-N 0.000 description 2
- GLUUGHFHXGJENI-UHFFFAOYSA-N Piperazine Chemical compound C1CNCCN1 GLUUGHFHXGJENI-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- FZWLAAWBMGSTSO-UHFFFAOYSA-N Thiazole Chemical compound C1=CSC=N1 FZWLAAWBMGSTSO-UHFFFAOYSA-N 0.000 description 2
- CWRYPZZKDGJXCA-UHFFFAOYSA-N acenaphthene Chemical compound C1=CC(CC2)=C3C2=CC=CC3=C1 CWRYPZZKDGJXCA-UHFFFAOYSA-N 0.000 description 2
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 description 2
- 125000002252 acyl group Chemical group 0.000 description 2
- 125000004423 acyloxy group Chemical group 0.000 description 2
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- 125000004453 alkoxycarbonyl group Chemical group 0.000 description 2
- 125000002947 alkylene group Chemical group 0.000 description 2
- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Chemical compound C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 description 2
- 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 2
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- 125000004429 atom Chemical group 0.000 description 2
- RFRXIWQYSOIBDI-UHFFFAOYSA-N benzarone Chemical compound CCC=1OC2=CC=CC=C2C=1C(=O)C1=CC=C(O)C=C1 RFRXIWQYSOIBDI-UHFFFAOYSA-N 0.000 description 2
- 125000003236 benzoyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C(*)=O 0.000 description 2
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- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 150000001721 carbon Chemical group 0.000 description 2
- 238000003763 carbonization Methods 0.000 description 2
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 125000000753 cycloalkyl group Chemical group 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- TXCDCPKCNAJMEE-UHFFFAOYSA-N dibenzofuran Chemical compound C1=CC=C2C3=CC=CC=C3OC2=C1 TXCDCPKCNAJMEE-UHFFFAOYSA-N 0.000 description 2
- IYYZUPMFVPLQIF-UHFFFAOYSA-N dibenzothiophene Chemical compound C1=CC=C2C3=CC=CC=C3SC2=C1 IYYZUPMFVPLQIF-UHFFFAOYSA-N 0.000 description 2
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 2
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 2
- 125000003754 ethoxycarbonyl group Chemical group C(=O)(OCC)* 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- 125000006125 ethylsulfonyl group Chemical group 0.000 description 2
- RMBPEFMHABBEKP-UHFFFAOYSA-N fluorene Chemical compound C1=CC=C2C3=C[CH]C=CC3=CC2=C1 RMBPEFMHABBEKP-UHFFFAOYSA-N 0.000 description 2
- 125000003709 fluoroalkyl group Chemical group 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- PXZQEOJJUGGUIB-UHFFFAOYSA-N isoindolin-1-one Chemical compound C1=CC=C2C(=O)NCC2=C1 PXZQEOJJUGGUIB-UHFFFAOYSA-N 0.000 description 2
- CTAPFRYPJLPFDF-UHFFFAOYSA-N isoxazole Chemical compound C=1C=NOC=1 CTAPFRYPJLPFDF-UHFFFAOYSA-N 0.000 description 2
- 150000002576 ketones Chemical class 0.000 description 2
- QDLAGTHXVHQKRE-UHFFFAOYSA-N lichenxanthone Natural products COC1=CC(O)=C2C(=O)C3=C(C)C=C(OC)C=C3OC2=C1 QDLAGTHXVHQKRE-UHFFFAOYSA-N 0.000 description 2
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- 238000002844 melting Methods 0.000 description 2
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- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 2
- 125000001160 methoxycarbonyl group Chemical group [H]C([H])([H])OC(*)=O 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- LQNUZADURLCDLV-UHFFFAOYSA-N nitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC=C1 LQNUZADURLCDLV-UHFFFAOYSA-N 0.000 description 2
- 125000004433 nitrogen atom Chemical group N* 0.000 description 2
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- AUONHKJOIZSQGR-UHFFFAOYSA-N oxophosphane Chemical compound P=O AUONHKJOIZSQGR-UHFFFAOYSA-N 0.000 description 2
- 125000006340 pentafluoro ethyl group Chemical group FC(F)(F)C(F)(F)* 0.000 description 2
- RDOWQLZANAYVLL-UHFFFAOYSA-N phenanthridine Chemical compound C1=CC=C2C3=CC=CC=C3C=NC2=C1 RDOWQLZANAYVLL-UHFFFAOYSA-N 0.000 description 2
- 125000006678 phenoxycarbonyl group Chemical group 0.000 description 2
- IOLCXVTUBQKXJR-UHFFFAOYSA-M potassium bromide Chemical compound [K+].[Br-] IOLCXVTUBQKXJR-UHFFFAOYSA-M 0.000 description 2
- 125000001501 propionyl group Chemical group O=C([*])C([H])([H])C([H])([H])[H] 0.000 description 2
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- ILVXOBCQQYKLDS-UHFFFAOYSA-N pyridine N-oxide Chemical compound [O-][N+]1=CC=CC=C1 ILVXOBCQQYKLDS-UHFFFAOYSA-N 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- XUXNAKZDHHEHPC-UHFFFAOYSA-M sodium bromate Chemical compound [Na+].[O-]Br(=O)=O XUXNAKZDHHEHPC-UHFFFAOYSA-M 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 125000003107 substituted aryl group Chemical group 0.000 description 2
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- 125000005425 toluyl group Chemical group 0.000 description 2
- ZMBHCYHQLYEYDV-UHFFFAOYSA-N trioctylphosphine oxide Chemical compound CCCCCCCCP(=O)(CCCCCCCC)CCCCCCCC ZMBHCYHQLYEYDV-UHFFFAOYSA-N 0.000 description 2
- FIQMHBFVRAXMOP-UHFFFAOYSA-N triphenylphosphane oxide Chemical compound C=1C=CC=CC=1P(C=1C=CC=CC=1)(=O)C1=CC=CC=C1 FIQMHBFVRAXMOP-UHFFFAOYSA-N 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- QGKMIGUHVLGJBR-UHFFFAOYSA-M (4z)-1-(3-methylbutyl)-4-[[1-(3-methylbutyl)quinolin-1-ium-4-yl]methylidene]quinoline;iodide Chemical compound [I-].C12=CC=CC=C2N(CCC(C)C)C=CC1=CC1=CC=[N+](CCC(C)C)C2=CC=CC=C12 QGKMIGUHVLGJBR-UHFFFAOYSA-M 0.000 description 1
- YJTKZCDBKVTVBY-UHFFFAOYSA-N 1,3-Diphenylbenzene Chemical group C1=CC=CC=C1C1=CC=CC(C=2C=CC=CC=2)=C1 YJTKZCDBKVTVBY-UHFFFAOYSA-N 0.000 description 1
- AZQWKYJCGOJGHM-UHFFFAOYSA-N 1,4-benzoquinone Chemical compound O=C1C=CC(=O)C=C1 AZQWKYJCGOJGHM-UHFFFAOYSA-N 0.000 description 1
- ZSSWXNPRLJLCDU-UHFFFAOYSA-N 1-diethylphosphorylethane Chemical compound CCP(=O)(CC)CC ZSSWXNPRLJLCDU-UHFFFAOYSA-N 0.000 description 1
- IYDMICQAKLQHLA-UHFFFAOYSA-N 1-phenylnaphthalene Chemical compound C1=CC=CC=C1C1=CC=CC2=CC=CC=C12 IYDMICQAKLQHLA-UHFFFAOYSA-N 0.000 description 1
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 1
- GOLORTLGFDVFDW-UHFFFAOYSA-N 3-(1h-benzimidazol-2-yl)-7-(diethylamino)chromen-2-one Chemical compound C1=CC=C2NC(C3=CC4=CC=C(C=C4OC3=O)N(CC)CC)=NC2=C1 GOLORTLGFDVFDW-UHFFFAOYSA-N 0.000 description 1
- CICILMVPYBXRCV-UHFFFAOYSA-N BrC1=CC(=C2C=CC3=C(C=C(C4=CC=C1C2=C34)Br)Br)Br.[P] Chemical compound BrC1=CC(=C2C=CC3=C(C=C(C4=CC=C1C2=C34)Br)Br)Br.[P] CICILMVPYBXRCV-UHFFFAOYSA-N 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- 125000000041 C6-C10 aryl group Chemical group 0.000 description 1
- FZOMKMUDAFWZDZ-UHFFFAOYSA-N CC1(C=CC#CC1Cc1c2)c1ccc2C(c1ccccc1O)=O Chemical compound CC1(C=CC#CC1Cc1c2)c1ccc2C(c1ccccc1O)=O FZOMKMUDAFWZDZ-UHFFFAOYSA-N 0.000 description 1
- QRRHKZUABYXMHF-UHFFFAOYSA-N CC1C=C(Cc2c3ccc(C(c(cccc4)c4[O]#C)O)c2)C3=CC1 Chemical compound CC1C=C(Cc2c3ccc(C(c(cccc4)c4[O]#C)O)c2)C3=CC1 QRRHKZUABYXMHF-UHFFFAOYSA-N 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- YFPJFKYCVYXDJK-UHFFFAOYSA-N Diphenylphosphine oxide Chemical compound C=1C=CC=CC=1[P+](=O)C1=CC=CC=C1 YFPJFKYCVYXDJK-UHFFFAOYSA-N 0.000 description 1
- 229910052692 Dysprosium Inorganic materials 0.000 description 1
- 229910052691 Erbium Inorganic materials 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical group C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Chemical group 0.000 description 1
- HLAKJARWJDETGN-UHFFFAOYSA-N FC(C1=CC=C(C=C1)C1=CC(=C2C=CC3=C(C=C(C4=CC=C1C2=C34)C3=CC=C(C=C3)C(F)(F)F)C3=CC=C(C=C3)C(F)(F)F)C3=CC=C(C=C3)C(F)(F)F)(F)F.[P] Chemical compound FC(C1=CC=C(C=C1)C1=CC(=C2C=CC3=C(C=C(C4=CC=C1C2=C34)C3=CC=C(C=C3)C(F)(F)F)C3=CC=C(C=C3)C(F)(F)F)C3=CC=C(C=C3)C(F)(F)F)(F)F.[P] HLAKJARWJDETGN-UHFFFAOYSA-N 0.000 description 1
- XBNLWVCZYPKTNH-UHFFFAOYSA-N FC(c1cc(-c2c(ccc(c3c(cc4)c(-c5cc(C(F)(F)F)cc(C(F)(F)F)c5)c5)c5-c5cc(C(F)(F)F)cc(C(F)(F)F)c5)c3c4c(-c3cc(C(F)(F)F)cc(C(F)(F)F)c3)c2)cc(C(F)(F)F)c1)(F)F Chemical compound FC(c1cc(-c2c(ccc(c3c(cc4)c(-c5cc(C(F)(F)F)cc(C(F)(F)F)c5)c5)c5-c5cc(C(F)(F)F)cc(C(F)(F)F)c5)c3c4c(-c3cc(C(F)(F)F)cc(C(F)(F)F)c3)c2)cc(C(F)(F)F)c1)(F)F XBNLWVCZYPKTNH-UHFFFAOYSA-N 0.000 description 1
- STFGHHYJGKBKOT-UHFFFAOYSA-N FC(c1cc(-c2cc(-c3cccc(C(F)(F)F)c3)c(cc3)c4c2ccc(c(-c2cc(C(F)(F)F)ccc2)c2)c4c3c2-c2cccc(C(F)(F)F)c2)ccc1)(F)F Chemical compound FC(c1cc(-c2cc(-c3cccc(C(F)(F)F)c3)c(cc3)c4c2ccc(c(-c2cc(C(F)(F)F)ccc2)c2)c4c3c2-c2cccc(C(F)(F)F)c2)ccc1)(F)F STFGHHYJGKBKOT-UHFFFAOYSA-N 0.000 description 1
- XRGRABLNXHOKTQ-UHFFFAOYSA-N Fc(cc1)ccc1-c1cc(-c(cc2)ccc2F)c(cc2)c3c1ccc(c(-c(cc1)ccc1F)c1)c3c2c1-c(cc1)ccc1F Chemical compound Fc(cc1)ccc1-c1cc(-c(cc2)ccc2F)c(cc2)c3c1ccc(c(-c(cc1)ccc1F)c1)c3c2c1-c(cc1)ccc1F XRGRABLNXHOKTQ-UHFFFAOYSA-N 0.000 description 1
- ONKRVSGIOYAJRS-UHFFFAOYSA-N Fc1ccccc1-c1cc(-c2ccccc2F)c(cc2)c3c1ccc(c(-c(cccc1)c1F)c1)c3c2c1-c1ccccc1F Chemical compound Fc1ccccc1-c1cc(-c2ccccc2F)c(cc2)c3c1ccc(c(-c(cccc1)c1F)c1)c3c2c1-c1ccccc1F ONKRVSGIOYAJRS-UHFFFAOYSA-N 0.000 description 1
- 229910052689 Holmium Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- WRYCSMQKUKOKBP-UHFFFAOYSA-N Imidazolidine Chemical compound C1CNCN1 WRYCSMQKUKOKBP-UHFFFAOYSA-N 0.000 description 1
- RZIAABRFQASVSW-UHFFFAOYSA-N Isoquinoline N-oxide Chemical compound C1=CC=CC2=C[N+]([O-])=CC=C21 RZIAABRFQASVSW-UHFFFAOYSA-N 0.000 description 1
- 229930192627 Naphthoquinone Natural products 0.000 description 1
- UTKDROHRLCYPLM-UHFFFAOYSA-N Nc(c(N)c1N)c(C(c2cc(CC3C4CC=CC3)c4cc2)=O)c(O)c1N Chemical compound Nc(c(N)c1N)c(C(c2cc(CC3C4CC=CC3)c4cc2)=O)c(O)c1N UTKDROHRLCYPLM-UHFFFAOYSA-N 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- QCRDWEDIGIMJBY-UHFFFAOYSA-N Oc(cc1)ccc1C(c1cc2c(cccc3)c3ccc2cc1)=O Chemical compound Oc(cc1)ccc1C(c1cc2c(cccc3)c3ccc2cc1)=O QCRDWEDIGIMJBY-UHFFFAOYSA-N 0.000 description 1
- JLGNFABHJXFTJB-UHFFFAOYSA-N Oc(cccc1)c1C(c1cc2c(cccc3)c3ccc2cc1)=O Chemical compound Oc(cccc1)c1C(c1cc2c(cccc3)c3ccc2cc1)=O JLGNFABHJXFTJB-UHFFFAOYSA-N 0.000 description 1
- XEDUDCKUDCYFNT-UHFFFAOYSA-N Oc1cc2ccccc2cc1C(c1cc2c(cccc3)c3ccc2cc1)=O Chemical compound Oc1cc2ccccc2cc1C(c1cc2c(cccc3)c3ccc2cc1)=O XEDUDCKUDCYFNT-UHFFFAOYSA-N 0.000 description 1
- NJBRDPDSQJRUQD-UHFFFAOYSA-N Oc1ccccc1C(c(cc1)cc2c1-c1ccccc1C2)=O Chemical compound Oc1ccccc1C(c(cc1)cc2c1-c1ccccc1C2)=O NJBRDPDSQJRUQD-UHFFFAOYSA-N 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- NRCMAYZCPIVABH-UHFFFAOYSA-N Quinacridone Chemical compound N1C2=CC=CC=C2C(=O)C2=C1C=C1C(=O)C3=CC=CC=C3NC1=C2 NRCMAYZCPIVABH-UHFFFAOYSA-N 0.000 description 1
- 229910052772 Samarium Inorganic materials 0.000 description 1
- 229910052771 Terbium Inorganic materials 0.000 description 1
- 229910052775 Thulium Inorganic materials 0.000 description 1
- 229910052769 Ytterbium Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- WOAORAPRPVIATR-UHFFFAOYSA-N [3-(trifluoromethyl)phenyl]boronic acid Chemical compound OB(O)C1=CC=CC(C(F)(F)F)=C1 WOAORAPRPVIATR-UHFFFAOYSA-N 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 150000000475 acetylene derivatives Chemical class 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 125000005193 alkenylcarbonyloxy group Chemical group 0.000 description 1
- 125000005452 alkenyloxyalkyl group Chemical group 0.000 description 1
- 125000005092 alkenyloxycarbonyl group Chemical group 0.000 description 1
- 125000004183 alkoxy alkyl group Chemical group 0.000 description 1
- 125000004448 alkyl carbonyl group Chemical group 0.000 description 1
- 125000005196 alkyl carbonyloxy group Chemical group 0.000 description 1
- 229940027991 antiseptic and disinfectant quinoline derivative Drugs 0.000 description 1
- 125000005018 aryl alkenyl group Chemical group 0.000 description 1
- 125000005098 aryl alkoxy carbonyl group Chemical group 0.000 description 1
- 125000005099 aryl alkyl carbonyl group Chemical group 0.000 description 1
- 125000005129 aryl carbonyl group Chemical group 0.000 description 1
- 125000005160 aryl oxy alkyl group Chemical group 0.000 description 1
- 125000005324 aryloxy alkyloxy group Chemical group 0.000 description 1
- 239000000981 basic dye Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 description 1
- 239000012965 benzophenone Substances 0.000 description 1
- 125000001231 benzoyloxy group Chemical group C(C1=CC=CC=C1)(=O)O* 0.000 description 1
- HTMQZWFSTJVJEQ-UHFFFAOYSA-N benzylsulfinylmethylbenzene Chemical compound C=1C=CC=CC=1CS(=O)CC1=CC=CC=C1 HTMQZWFSTJVJEQ-UHFFFAOYSA-N 0.000 description 1
- ZDZHCHYQNPQSGG-UHFFFAOYSA-N binaphthyl group Chemical group C1(=CC=CC2=CC=CC=C12)C1=CC=CC2=CC=CC=C12 ZDZHCHYQNPQSGG-UHFFFAOYSA-N 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 125000005620 boronic acid group Chemical class 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 125000001246 bromo group Chemical group Br* 0.000 description 1
- FJDQFPXHSGXQBY-UHFFFAOYSA-L caesium carbonate Chemical compound [Cs+].[Cs+].[O-]C([O-])=O FJDQFPXHSGXQBY-UHFFFAOYSA-L 0.000 description 1
- 229910000024 caesium carbonate Inorganic materials 0.000 description 1
- 125000003917 carbamoyl group Chemical group [H]N([H])C(*)=O 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- HHNHBFLGXIUXCM-GFCCVEGCSA-N cyclohexylbenzene Chemical compound [CH]1CCCC[C@@H]1C1=CC=CC=C1 HHNHBFLGXIUXCM-GFCCVEGCSA-N 0.000 description 1
- WVIIMZNLDWSIRH-UHFFFAOYSA-N cyclohexylcyclohexane Chemical group C1CCCCC1C1CCCCC1 WVIIMZNLDWSIRH-UHFFFAOYSA-N 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- SBZXBUIDTXKZTM-UHFFFAOYSA-N diglyme Chemical compound COCCOCCOC SBZXBUIDTXKZTM-UHFFFAOYSA-N 0.000 description 1
- 239000004205 dimethyl polysiloxane Substances 0.000 description 1
- LRMLWYXJORUTBG-UHFFFAOYSA-N dimethylphosphorylmethane Chemical compound CP(C)(C)=O LRMLWYXJORUTBG-UHFFFAOYSA-N 0.000 description 1
- PPSZHCXTGRHULJ-UHFFFAOYSA-N dioxazine Chemical compound O1ON=CC=C1 PPSZHCXTGRHULJ-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- KBQHZAAAGSGFKK-UHFFFAOYSA-N dysprosium atom Chemical compound [Dy] KBQHZAAAGSGFKK-UHFFFAOYSA-N 0.000 description 1
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 description 1
- 125000005678 ethenylene group Chemical group [H]C([*:1])=C([H])[*:2] 0.000 description 1
- 238000000695 excitation spectrum Methods 0.000 description 1
- 230000005281 excited state Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 125000002485 formyl group Chemical group [H]C(*)=O 0.000 description 1
- 125000002541 furyl group Chemical group 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- KJZYNXUDTRRSPN-UHFFFAOYSA-N holmium atom Chemical compound [Ho] KJZYNXUDTRRSPN-UHFFFAOYSA-N 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 235000019239 indanthrene blue RS Nutrition 0.000 description 1
- UHOKSCJSTAHBSO-UHFFFAOYSA-N indanthrone blue Chemical compound C1=CC=C2C(=O)C3=CC=C4NC5=C6C(=O)C7=CC=CC=C7C(=O)C6=CC=C5NC4=C3C(=O)C2=C1 UHOKSCJSTAHBSO-UHFFFAOYSA-N 0.000 description 1
- RSAZYXZUJROYKR-UHFFFAOYSA-N indophenol Chemical compound C1=CC(O)=CC=C1N=C1C=CC(=O)C=C1 RSAZYXZUJROYKR-UHFFFAOYSA-N 0.000 description 1
- 230000009878 intermolecular interaction Effects 0.000 description 1
- 125000002346 iodo group Chemical group I* 0.000 description 1
- GWVMLCQWXVFZCN-UHFFFAOYSA-N isoindoline Chemical compound C1=CC=C2CNCC2=C1 GWVMLCQWXVFZCN-UHFFFAOYSA-N 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 238000004949 mass spectrometry Methods 0.000 description 1
- 238000002488 metal-organic chemical vapour deposition Methods 0.000 description 1
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 150000002791 naphthoquinones Chemical class 0.000 description 1
- CMWTZPSULFXXJA-VIFPVBQESA-N naproxen Chemical group C1=C([C@H](C)C(O)=O)C=CC2=CC(OC)=CC=C21 CMWTZPSULFXXJA-VIFPVBQESA-N 0.000 description 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- UMRZSTCPUPJPOJ-KNVOCYPGSA-N norbornane Chemical compound C1C[C@H]2CC[C@@H]1C2 UMRZSTCPUPJPOJ-KNVOCYPGSA-N 0.000 description 1
- MPQXHAGKBWFSNV-UHFFFAOYSA-N oxidophosphanium Chemical class [PH3]=O MPQXHAGKBWFSNV-UHFFFAOYSA-N 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 1
- 125000005010 perfluoroalkyl group Chemical group 0.000 description 1
- 125000002080 perylenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC5=CC=CC(C1=C23)=C45)* 0.000 description 1
- CSHWQDPOILHKBI-UHFFFAOYSA-N peryrene Natural products C1=CC(C2=CC=CC=3C2=C2C=CC=3)=C3C2=CC=CC3=C1 CSHWQDPOILHKBI-UHFFFAOYSA-N 0.000 description 1
- 125000003170 phenylsulfonyl group Chemical group C1(=CC=CC=C1)S(=O)(=O)* 0.000 description 1
- 125000005543 phthalimide group Chemical class 0.000 description 1
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- 125000003367 polycyclic group Chemical group 0.000 description 1
- 125000004585 polycyclic heterocycle group Chemical group 0.000 description 1
- 229920002098 polyfluorene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 description 1
- USPWKWBDZOARPV-UHFFFAOYSA-N pyrazolidine Chemical compound C1CNNC1 USPWKWBDZOARPV-UHFFFAOYSA-N 0.000 description 1
- 125000004076 pyridyl group Chemical group 0.000 description 1
- 150000003248 quinolines Chemical class 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- GZCRRIHWUXGPOV-UHFFFAOYSA-N terbium atom Chemical compound [Tb] GZCRRIHWUXGPOV-UHFFFAOYSA-N 0.000 description 1
- ZUHZGEOKBKGPSW-UHFFFAOYSA-N tetraglyme Chemical compound COCCOCCOCCOCCOC ZUHZGEOKBKGPSW-UHFFFAOYSA-N 0.000 description 1
- 125000001544 thienyl group Chemical group 0.000 description 1
- FRNOGLGSGLTDKL-UHFFFAOYSA-N thulium atom Chemical compound [Tm] FRNOGLGSGLTDKL-UHFFFAOYSA-N 0.000 description 1
- 150000003606 tin compounds Chemical class 0.000 description 1
- XZZNDPSIHUTMOC-UHFFFAOYSA-N triphenyl phosphate Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)(=O)OC1=CC=CC=C1 XZZNDPSIHUTMOC-UHFFFAOYSA-N 0.000 description 1
- AAAQKTZKLRYKHR-UHFFFAOYSA-N triphenylmethane Chemical compound C1=CC=CC=C1C(C=1C=CC=CC=1)C1=CC=CC=C1 AAAQKTZKLRYKHR-UHFFFAOYSA-N 0.000 description 1
- RIOQSEWOXXDEQQ-UHFFFAOYSA-N triphenylphosphine Chemical compound C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-N 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
- NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical compound [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Illuminated Signs And Luminous Advertising (AREA)
Description
(A)励起光により励起され、420nm以上480nm以下の波長範囲にピーク波長を有する光を発光する第1の蛍光体、
(B)励起光により励起され、480nmよりも大きく550nm以下の波長範囲にピーク波長を有する光を発光する第2の蛍光体、および
(C)励起光により励起され、550nmよりも大きく700nm以下の波長範囲にピーク波長を有する光を発光する第3の蛍光体、
の1以上を含んでいる。
光学部品が有する複数の光変換層のうち異なる光変換層に、360nm以上420nm以下の波長範囲にピーク波長を有する励起光を照射するための複数の光照射手段と、
を有する。
(A)励起光により励起され、420nm以上480nm以下の波長範囲にピーク波長を有する青色の光に変換して発光する蛍光体(以下、青色蛍光体ともいう)。
(B)励起光により励起され、480nmを超え、550nm以下の波長範囲にピーク波長を有する緑色の光に変換して発光する蛍光体(以下、緑色蛍光体ともいう)。
(C)励起光により励起され、550nmを超え、700nm以下の波長範囲にピーク波長を有する赤色の光に変換して発光する蛍光体(以下、赤色蛍光体ともいう)。
本発明で用いられる青色有機蛍光体は、380nm〜420nmの波長範囲にピーク波長大を有する励起光を用いて励起させることにより、青色の発光(通常420nm以上、好ましくは440nm以上、また、通常480nm以下、好ましくは470nm以下の波長範囲にピーク波長を有する光)を呈するものであり、下記一般式(1)で表される構造からなる化合物(以下「化合物(1)」と称す場合がある。)を含むものである。なお、本発明の有機蛍光体は青色発光を呈するものであるが、R1〜R4の置換基を選択することにより緑色発光を呈するものを得ることもできる。
本発明において「置換基を有していても良い」とは、置換基を1以上有していても良いことを意味する。
(置換基R1〜R4の種類)
R1〜R6はそれぞれ独立に水素原子、フッ素原子、置換基を有していても良いアルキル基をあらわす。
以上説明した化合物(1)は、単位量あたりの分子数を増やすことによる高効率化の点から、通常分子量1500以下、中でも1200以下であることが好ましい。なお、化合物(1)は、潮解性による取り扱いの困難さの理由から、通常水不溶性であることが好ましい。ここで「水不溶性」とは、25℃、1気圧の条件下における水に対する溶解度が、通常0.1重量%以下、好ましくは0.01重量%以下であることを言う。
化合物(1)の具体例を以下に例示する。
化合物(1)は、下記スキームで表される種々の方法によって容易に合成することができる。
本発明で用いることのできる赤色有機蛍光体としては、例えば特開2005−276785号公報などに開示される、β―ジケトネート、芳香族カルボン酸、またはブレンステッド酸等のアニオンを配位子とする希土類元素イオン錯体のうちの少なくとも1種からなる赤色有機蛍光体が挙げられる。
本発明にかかる赤色蛍光体として使用できる希土類元素イオン錯体のうち、β−ジケトネートのアニオンを配位子とする希土類元素イオン錯体(β−ジケトネートから誘導されるアニオンを配位子とする希土類元素イオン錯体;ジケトネート錯体)の例としては、一般式Eu(β−ジケトネート)3Lnで表され、β−ジケトン化合物から誘導されるβ−ジケトネートアニオンを配位子とする錯体が挙げられる。ここで、Lは単座または複座を有する中性配位子を表わし、nは1または2を表わす。
本発明にかかる赤色蛍光体として使用できる希土類元素イオン錯体のうち、芳香族カルボン酸(芳香族環を含む置換基を有するカルボン酸)のアニオンを配位子とする錯体(芳香族カルボン酸から誘導されるアニオンを配位子とする錯体;芳香族カルボン酸錯体)としては、例えば、下記一般式(r4)で表されるユーロピウム錯体が挙げられる。
〔R5−(X)n−COO〕3Eu(R6)2 (r4)
〔一般式(r4)中、R5は、芳香族環を含む1価の基を示し、Xは2価の連結基を示し、nは0又は1であり、R6はルイス塩基からなる補助配位子を示す。〕
前記一般式(r4)で表されるユーロピウム錯体は、芳香族環を含み、π電子を8個以上有し、π電子共役系を構成するカルボン酸イオンを配位子とすることが、吸収波長域の点から好ましい。また、芳香族環の芳香族単環としての個数は、カルボン酸イオンの母体化合物の三重項エネルギーが、ユーロピウムイオン励起状態エネルギーレベルよりも高いものであれば特に制限されないが、通常、3個以下であるのが好ましい。芳香族単環としての個数が4個以上の場合、例えば、ベンゼン環を4個有するピレン等の化合物は、半導体発光素子等の第1の発光体からの光を吸収して励起された三重項エネルギーが低くなり、ユーロピウム錯体が発光しなくなる虞がある。
R5−CO−(R7)m−COO- (r6)
〔式(r5)及び(r6)中、R5は式(r4)におけるものと同じであり、R7は2価の連結基を示し、mは0又は1である。〕
前記一般式(r5)及び(r6)におけるR7としての2価の連結基としては、例えば、メチレン、エチレン等のアルキレン基、ビフェニル、テルフェニル、ビナフチル、シクロヘキシルベンゼン、フェニルナフタレン等の環集合炭化水素化合物から誘導される2価基、シクロペンタン、シクロヘキサン、シクロヘプタン、ノルボルナン、ビシクロヘキシル等の脂環式炭化水素化合物から誘導される2価基、前述した芳香族環の具体例として挙げたと同様の化合物から誘導される2価基、ピラゾリジン、ピペラジン、イミダゾリジン、モルホリン等の脂肪族複素環化合物から誘導される2価基、−SCH2−等のチオアルキレン基、−OCH2−等のオキシアルキレン基、及びビニレン基等が挙げられる。また、これらの2価の連結基は置換基を有していてもよい。
本発明にかかる赤色蛍光体として使用できる希土類元素イオン錯体のうち、ブレンステッド酸のアニオンを配位子とする錯体(ブレンステッド酸から誘導されるアニオンを配位子とする錯体;ブレンステッド酸錯体)としては、例えば、特開2005−8872号公報に記載されている赤色有機蛍光体が挙げられる。
上述した本発明にかかる赤色蛍光体のうち、特に以下に示す赤色蛍光体が好ましい。
本発明で好ましく用いることができる緑色有機蛍光体としては、一般式(g1)または一般式(g2)で表される化合物、それらの互変異性体、または、亜鉛錯体を用いることができる。
(i)この化合物の含有濃度を低くし、実質的に無色透明となるようにする。
(ii)この化合物にポリマーコート等を施す。具体的には、例えば少量の前記化合物を溶媒に溶かして、前記化合物と相互作用しやすいポリマー(例えば、ポリカーボネート、ポリフルオレンなどの芳香族系のポリマーを挙げることができる。)に練り込んで、乾燥・硬化させ、ナノ粒子にする。
10、30、40、50、60、70、140 光学部品
11、12、13、14、15、16、17 光変換層
11a、12a パターン
20A、20B、20C、171、172 光照射ユニット
21A、21B 光源
22A、22B 導光板
100 腕時計
110 ケース
131 液晶セル
160 ムーブメント
Claims (13)
- 360nm以上420nm以下の波長範囲にピーク波長を有する励起光を実質的に全て変換する蛍光材料が少なくとも一部に設けられ、互いに重ねて配置された複数の光変換層を有し、
前記蛍光材料は、
(A)前記励起光により励起され、420nm以上480nm以下の波長範囲にピーク波長を有する光を発光する第1の蛍光体、
(B)前記励起光により励起され、480nmよりも大きく550nm以下の波長範囲にピーク波長を有する光を発光する第2の蛍光体、および
(C)前記励起光により励起され、550nmよりも大きく700nm以下の波長範囲にピーク波長を有する光を発光する第3の蛍光体、
の1以上を含み、
互いに隣り合う2つの前記光変換層同士の関係で、前記蛍光材料が設けられた領域は少なくとも一部が重なり、かつ、重なっている前記領域の少なくとも一部は、前記励起光による発光スペクトルが互いに異なるように前記蛍光体を含んでいる光学部品。 - 前記光変換層は基材を有し、該基材上に前記蛍光材料が設けられている請求項1に記載の光学部品。
- 360nm以上420nm以下の波長範囲にピーク波長を有する励起光を実質的に全て変換する蛍光材料が少なくとも一部に設けられ、互いに重ねて配置された複数の光変換層を有し、
前記蛍光材料は、
(A)前記励起光により励起され、420nm以上480nm以下の波長範囲にピーク波長を有する光を発光する第1の蛍光体、
(B)前記励起光により励起され、480nmよりも大きく550nm以下の波長範囲にピーク波長を有する光を発光する第2の蛍光体、および
(C)前記励起光により励起され、550nmよりも大きく700nm以下の波長範囲にピーク波長を有する光を発光する第3の蛍光体、
の1以上を含み、
前記光変換層は、前記蛍光材料が設けられていない部分に、前記励起光を吸収する紫外線吸収剤を含有している光学部品。 - 前記光変換層は、前記紫外線吸収剤が添加された基材を有し、該基材の前記励起光が入射される側の面に前記蛍光材料が設けられている請求項3に記載の光学部品。
- 前記第3の蛍光体は、β−ジケトネート、芳香族カルボン酸、またはブレンステッド酸のアニオンを配位子とする希土類イオン錯体のうち少なくとも1種からなる赤色有機蛍光体を含む請求項1から6のいずれか1項に記載の光学部品。
- 前記光変換層は実質的に無色透明である請求項1から7のいずれか1項に記載の光学部品。
- 前記蛍光材料は、前記蛍光体と、前記蛍光体を保持するバインダ樹脂とを有する請求項1から8のいずれか1項に記載の光学部品。
- 液晶セルをさらに有する請求項1から9のいずれか1項に記載の光学部品。
- 請求項1から10のいずれか1項に記載の光学部品と、
前記光学部品が有する複数の光変換層のうち異なる光変換層に、360nm以上420nm以下の波長範囲にピーク波長を有する励起光を照射するための複数の光照射手段と、
を有する表示装置。 - 前記複数の光照射手段のうち2つは、前記光学部品の互いに反対側から前記励起光を照射するように配置されている請求項11に記載の表示装置。
- 前記複数の光照射手段のうち少なくとも1つは、前記光変換層の間に配置されている請求項11または12に記載の表示装置。
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