JP4578846B2 - 白色発光素子および発光装置 - Google Patents
白色発光素子および発光装置 Download PDFInfo
- Publication number
- JP4578846B2 JP4578846B2 JP2004111718A JP2004111718A JP4578846B2 JP 4578846 B2 JP4578846 B2 JP 4578846B2 JP 2004111718 A JP2004111718 A JP 2004111718A JP 2004111718 A JP2004111718 A JP 2004111718A JP 4578846 B2 JP4578846 B2 JP 4578846B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- emitting layer
- layer
- light emitting
- emission
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000463 material Substances 0.000 claims description 178
- IBHBKWKFFTZAHE-UHFFFAOYSA-N n-[4-[4-(n-naphthalen-1-ylanilino)phenyl]phenyl]-n-phenylnaphthalen-1-amine Chemical compound C1=CC=CC=C1N(C=1C2=CC=CC=C2C=CC=1)C1=CC=C(C=2C=CC(=CC=2)N(C=2C=CC=CC=2)C=2C3=CC=CC=C3C=CC=2)C=C1 IBHBKWKFFTZAHE-UHFFFAOYSA-N 0.000 claims description 16
- 230000001681 protective effect Effects 0.000 claims description 6
- 229910004116 SrO 2 Inorganic materials 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 255
- 239000010408 film Substances 0.000 description 69
- 238000004768 lowest unoccupied molecular orbital Methods 0.000 description 31
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 30
- 238000000034 method Methods 0.000 description 22
- 239000000758 substrate Substances 0.000 description 22
- 238000002347 injection Methods 0.000 description 17
- 239000007924 injection Substances 0.000 description 17
- 238000004770 highest occupied molecular orbital Methods 0.000 description 16
- 238000001228 spectrum Methods 0.000 description 16
- 239000003566 sealing material Substances 0.000 description 15
- CUJRVFIICFDLGR-UHFFFAOYSA-N acetylacetonate Chemical compound CC(=O)[CH-]C(C)=O CUJRVFIICFDLGR-UHFFFAOYSA-N 0.000 description 13
- 229910052782 aluminium Inorganic materials 0.000 description 11
- 239000012212 insulator Substances 0.000 description 11
- 239000010409 thin film Substances 0.000 description 11
- 230000005281 excited state Effects 0.000 description 10
- 239000000178 monomer Substances 0.000 description 10
- 238000000295 emission spectrum Methods 0.000 description 9
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- 229910052757 nitrogen Inorganic materials 0.000 description 9
- -1 4,6-difluorophenyl Chemical group 0.000 description 8
- STTGYIUESPWXOW-UHFFFAOYSA-N 2,9-dimethyl-4,7-diphenyl-1,10-phenanthroline Chemical compound C=12C=CC3=C(C=4C=CC=CC=4)C=C(C)N=C3C2=NC(C)=CC=1C1=CC=CC=C1 STTGYIUESPWXOW-UHFFFAOYSA-N 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 230000005525 hole transport Effects 0.000 description 7
- 229910052744 lithium Inorganic materials 0.000 description 7
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical group C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 6
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 230000005283 ground state Effects 0.000 description 6
- 238000005215 recombination Methods 0.000 description 6
- 230000006798 recombination Effects 0.000 description 6
- 229910052783 alkali metal Inorganic materials 0.000 description 5
- 150000001340 alkali metals Chemical class 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 5
- 239000000969 carrier Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 5
- 230000001747 exhibiting effect Effects 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 229910004261 CaF 2 Inorganic materials 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 239000004020 conductor Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910052697 platinum Inorganic materials 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- IYZMXHQDXZKNCY-UHFFFAOYSA-N 1-n,1-n-diphenyl-4-n,4-n-bis[4-(n-phenylanilino)phenyl]benzene-1,4-diamine Chemical compound C1=CC=CC=C1N(C=1C=CC(=CC=1)N(C=1C=CC(=CC=1)N(C=1C=CC=CC=1)C=1C=CC=CC=1)C=1C=CC(=CC=1)N(C=1C=CC=CC=1)C=1C=CC=CC=1)C1=CC=CC=C1 IYZMXHQDXZKNCY-UHFFFAOYSA-N 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 3
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 3
- 150000001342 alkaline earth metals Chemical class 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 229910052791 calcium Inorganic materials 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 239000003086 colorant Substances 0.000 description 3
- 150000004696 coordination complex Chemical class 0.000 description 3
- 239000000539 dimer Substances 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 229910052749 magnesium Inorganic materials 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- 150000002894 organic compounds Chemical group 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000002356 single layer Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000001771 vacuum deposition Methods 0.000 description 3
- 238000007740 vapor deposition Methods 0.000 description 3
- 239000011787 zinc oxide Substances 0.000 description 3
- UOCMXZLNHQBBOS-UHFFFAOYSA-N 2-(1,3-benzoxazol-2-yl)phenol zinc Chemical compound [Zn].Oc1ccccc1-c1nc2ccccc2o1.Oc1ccccc1-c1nc2ccccc2o1 UOCMXZLNHQBBOS-UHFFFAOYSA-N 0.000 description 2
- GEQBRULPNIVQPP-UHFFFAOYSA-N 2-[3,5-bis(1-phenylbenzimidazol-2-yl)phenyl]-1-phenylbenzimidazole Chemical compound C1=CC=CC=C1N1C2=CC=CC=C2N=C1C1=CC(C=2N(C3=CC=CC=C3N=2)C=2C=CC=CC=2)=CC(C=2N(C3=CC=CC=C3N=2)C=2C=CC=CC=2)=C1 GEQBRULPNIVQPP-UHFFFAOYSA-N 0.000 description 2
- ZVFQEOPUXVPSLB-UHFFFAOYSA-N 3-(4-tert-butylphenyl)-4-phenyl-5-(4-phenylphenyl)-1,2,4-triazole Chemical compound C1=CC(C(C)(C)C)=CC=C1C(N1C=2C=CC=CC=2)=NN=C1C1=CC=C(C=2C=CC=CC=2)C=C1 ZVFQEOPUXVPSLB-UHFFFAOYSA-N 0.000 description 2
- DHDHJYNTEFLIHY-UHFFFAOYSA-N 4,7-diphenyl-1,10-phenanthroline Chemical compound C1=CC=CC=C1C1=CC=NC2=C1C=CC1=C(C=3C=CC=CC=3)C=CN=C21 DHDHJYNTEFLIHY-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910018068 Li 2 O Inorganic materials 0.000 description 2
- 229920001609 Poly(3,4-ethylenedioxythiophene) Polymers 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000007983 Tris buffer Substances 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- UFVXQDWNSAGPHN-UHFFFAOYSA-K bis[(2-methylquinolin-8-yl)oxy]-(4-phenylphenoxy)alumane Chemical compound [Al+3].C1=CC=C([O-])C2=NC(C)=CC=C21.C1=CC=C([O-])C2=NC(C)=CC=C21.C1=CC([O-])=CC=C1C1=CC=CC=C1 UFVXQDWNSAGPHN-UHFFFAOYSA-K 0.000 description 2
- 229910052792 caesium Inorganic materials 0.000 description 2
- 239000010406 cathode material Substances 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 2
- ZYGHJZDHTFUPRJ-UHFFFAOYSA-N coumarin Chemical compound C1=CC=C2OC(=O)C=CC2=C1 ZYGHJZDHTFUPRJ-UHFFFAOYSA-N 0.000 description 2
- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000011152 fibreglass Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000004020 luminiscence type Methods 0.000 description 2
- 125000000040 m-tolyl group Chemical group [H]C1=C([H])C(*)=C([H])C(=C1[H])C([H])([H])[H] 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920003227 poly(N-vinyl carbazole) Polymers 0.000 description 2
- 229920002620 polyvinyl fluoride Polymers 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 238000007738 vacuum evaporation Methods 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- POILWHVDKZOXJZ-ARJAWSKDSA-M (z)-4-oxopent-2-en-2-olate Chemical compound C\C([O-])=C\C(C)=O POILWHVDKZOXJZ-ARJAWSKDSA-M 0.000 description 1
- FQJQNLKWTRGIEB-UHFFFAOYSA-N 2-(4-tert-butylphenyl)-5-[3-[5-(4-tert-butylphenyl)-1,3,4-oxadiazol-2-yl]phenyl]-1,3,4-oxadiazole Chemical compound C1=CC(C(C)(C)C)=CC=C1C1=NN=C(C=2C=C(C=CC=2)C=2OC(=NN=2)C=2C=CC(=CC=2)C(C)(C)C)O1 FQJQNLKWTRGIEB-UHFFFAOYSA-N 0.000 description 1
- QKZFBFSFZILINR-UHFFFAOYSA-N 3-methyl-N-[4-[4-(N-(3-methylphenyl)anilino)phenyl]phenyl]-N-phenylaniline Chemical compound CC=1C=C(C=CC1)N(C1=CC=C(C=C1)C1=CC=C(N(C2=CC=CC=C2)C2=CC(=CC=C2)C)C=C1)C1=CC=CC=C1.CC=1C=C(C=CC1)N(C1=CC=C(C=C1)C1=CC=C(N(C2=CC=CC=C2)C2=CC(=CC=C2)C)C=C1)C1=CC=CC=C1 QKZFBFSFZILINR-UHFFFAOYSA-N 0.000 description 1
- 125000004860 4-ethylphenyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1*)C([H])([H])C([H])([H])[H] 0.000 description 1
- FCNCGHJSNVOIKE-UHFFFAOYSA-N 9,10-diphenylanthracene Chemical compound C1=CC=CC=C1C(C1=CC=CC=C11)=C(C=CC=C2)C2=C1C1=CC=CC=C1 FCNCGHJSNVOIKE-UHFFFAOYSA-N 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 229920002799 BoPET Polymers 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910052691 Erbium Inorganic materials 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 239000005041 Mylar™ Substances 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 229910052769 Ytterbium Inorganic materials 0.000 description 1
- 229910008322 ZrN Inorganic materials 0.000 description 1
- 125000005595 acetylacetonate group Chemical group 0.000 description 1
- 229910001508 alkali metal halide Inorganic materials 0.000 description 1
- 150000008045 alkali metal halides Chemical class 0.000 description 1
- 229910000272 alkali metal oxide Inorganic materials 0.000 description 1
- 239000010405 anode material Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 150000004982 aromatic amines Chemical class 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 229910052790 beryllium Inorganic materials 0.000 description 1
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- XZCJVWCMJYNSQO-UHFFFAOYSA-N butyl pbd Chemical compound C1=CC(C(C)(C)C)=CC=C1C1=NN=C(C=2C=CC(=CC=2)C=2C=CC=CC=2)O1 XZCJVWCMJYNSQO-UHFFFAOYSA-N 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 238000010549 co-Evaporation Methods 0.000 description 1
- 229920001940 conductive polymer Polymers 0.000 description 1
- 229960000956 coumarin Drugs 0.000 description 1
- 235000001671 coumarin Nutrition 0.000 description 1
- JRUYYVYCSJCVMP-UHFFFAOYSA-N coumarin 30 Chemical compound C1=CC=C2N(C)C(C=3C4=CC=C(C=C4OC(=O)C=3)N(CC)CC)=NC2=C1 JRUYYVYCSJCVMP-UHFFFAOYSA-N 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 150000004985 diamines Chemical class 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005401 electroluminescence Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000007850 fluorescent dye Substances 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- RBTKNAXYKSUFRK-UHFFFAOYSA-N heliogen blue Chemical compound [Cu].[N-]1C2=C(C=CC=C3)C3=C1N=C([N-]1)C3=CC=CC=C3C1=NC([N-]1)=C(C=CC=C3)C3=C1N=C([N-]1)C3=CC=CC=C3C1=N2 RBTKNAXYKSUFRK-UHFFFAOYSA-N 0.000 description 1
- 150000002460 imidazoles Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 238000001095 inductively coupled plasma mass spectrometry Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 229940079865 intestinal antiinfectives imidazole derivative Drugs 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000002346 layers by function Substances 0.000 description 1
- 239000008204 material by function Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 238000005192 partition Methods 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
- 150000005041 phenanthrolines 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
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000172 poly(styrenesulfonic acid) Polymers 0.000 description 1
- 229920000767 polyaniline Polymers 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 229940005642 polystyrene sulfonic acid Drugs 0.000 description 1
- 150000004032 porphyrins Chemical class 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000001004 secondary ion mass spectrometry Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- TVIVIEFSHFOWTE-UHFFFAOYSA-K tri(quinolin-8-yloxy)alumane Chemical compound [Al+3].C1=CN=C2C([O-])=CC=CC2=C1.C1=CN=C2C([O-])=CC=CC2=C1.C1=CN=C2C([O-])=CC=CC2=C1 TVIVIEFSHFOWTE-UHFFFAOYSA-K 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
- GWDUZCIBPDVBJM-UHFFFAOYSA-L zinc;2-(2-hydroxyphenyl)-3h-1,3-benzothiazole-2-carboxylate Chemical compound [Zn+2].OC1=CC=CC=C1C1(C([O-])=O)SC2=CC=CC=C2N1.OC1=CC=CC=C1C1(C([O-])=O)SC2=CC=CC=C2N1 GWDUZCIBPDVBJM-UHFFFAOYSA-L 0.000 description 1
- QEPMORHSGFRDLW-UHFFFAOYSA-L zinc;2-(2-hydroxyphenyl)-3h-1,3-benzoxazole-2-carboxylate Chemical compound [Zn+2].OC1=CC=CC=C1C1(C([O-])=O)OC2=CC=CC=C2N1.OC1=CC=CC=C1C1(C([O-])=O)OC2=CC=CC=C2N1 QEPMORHSGFRDLW-UHFFFAOYSA-L 0.000 description 1
Images
Classifications
-
- Y02B20/181—
Landscapes
- Electroluminescent Light Sources (AREA)
Description
本実施の形態1では、図2(A)に示すように基板200上に第1の電極201、電界発光層202、および第2の電極203が形成され、電界発光層202が第1の発光層211、第2の発光層212、および電子輸送層213からなる積層構造を有する場合について説明する。なお、第1の発光層211は、発光体を有し、第2の発光層212には、ホスト材料251と、発光体となる燐光材料252とが含まれており、燐光材料からは、燐光発光およびエキシマー発光が得られる。
本実施の形態2では、図3(A)に示すように基板300上に第1の電極301、電界発光層302、および第2の電極303が形成され、電界発光層302が第1の発光層311、および第2の発光層312からなる積層構造を有する場合について説明する。なお、第2の発光層312には、ホスト材料351と、燐光材料352とが含まれており、燐光材料からは、燐光発光およびエキシマー発光が得られる。
本実施の形態3では、図4(A)に示すように基板400上に第1の電極401、電界発光層402、および第2の電極403が形成され、電界発光層402がホール注入層411、第1の発光層412、第2の発光層413、および電子輸送層414からなる積層構造を有する場合について説明する。なお、第2の発光層413には、ホスト材料451と、燐光材料452とが含まれており、燐光材料からは、燐光発光およびエキシマー発光が得られる。
これに対して、実施例1で示した場合と発光層に含まれるPt(ppy)acacの濃度を変えて作製した発光素子の発光スペクトルを、図8のスペクトル2およびスペクトル3に示す。なお、Pt(ppy)acacの濃度が、7.9wt%の場合における測定結果がスペクトル2、2.5wt%の場合における測定結果がスペクトル3である。また、いずれの場合も、素子に1mAの電流を流した際のスペクトルである。
Claims (10)
- 一対の電極間に、400nm〜500nmの波長領域に発光ピークを有する第1の発光層及び500nm〜700nmの波長領域に発光ピークを有する第2の発光層を含む電界発光層を有する白色発光素子と、
前記白色発光素子上に設けられた第1の無機絶縁膜と、
前記第1の無機絶縁膜上に設けられた応力緩和膜と、
前記応力緩和膜上に設けられた第2の無機絶縁膜と、を有し、
前記第1の発光層は、α−NPDを含み、
前記第2の発光層は、15wt%〜40wt%の濃度のエキシマーを形成する下記構造式(1)で表される燐光材料を含み、前記燐光材料からの燐光発光と前記燐光材料からのエキシマー発光とを共に発することを特徴とする発光装置。
- 請求項2において、
前記応力緩和膜は、Alq3であることを特徴とする発光装置。 - 請求項2において、
前記応力緩和膜は、α−NPD、BCP、又はMTDATAのいずれかであることを特徴とする発光装置。 - 請求項2において、
前記応力緩和膜は、MgOであることを特徴とする発光装置。 - 請求項2において、
前記応力緩和膜は、SrO2であることを特徴とする発光装置。 - 請求項2において、
前記応力緩和膜は、SrOであることを特徴とする発光装置。 - 請求項2乃至7のいずれか一項において、
前記第1の無機絶縁膜、前記応力緩和膜、及び前記第2の無機絶縁膜により、透明保護積層が形成されることを特徴とする発光装置。 - 請求項1において、
960cd/m2以下で発光することを特徴とする白色発光素子。 - 請求項2乃至8のいずれか一項において、
前記白色発光素子は960cd/m2以下で発光することを特徴とする発光装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004111718A JP4578846B2 (ja) | 2003-04-09 | 2004-04-06 | 白色発光素子および発光装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003105135 | 2003-04-09 | ||
JP2004111718A JP4578846B2 (ja) | 2003-04-09 | 2004-04-06 | 白色発光素子および発光装置 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2004327432A JP2004327432A (ja) | 2004-11-18 |
JP2004327432A5 JP2004327432A5 (ja) | 2007-05-10 |
JP4578846B2 true JP4578846B2 (ja) | 2010-11-10 |
Family
ID=33512999
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004111718A Expired - Fee Related JP4578846B2 (ja) | 2003-04-09 | 2004-04-06 | 白色発光素子および発光装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4578846B2 (ja) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4661781B2 (ja) * | 2004-04-14 | 2011-03-30 | コニカミノルタホールディングス株式会社 | 有機エレクトロルミネッセンス素子、表示装置及び照明装置 |
CN101847653B (zh) | 2004-05-21 | 2013-08-28 | 株式会社半导体能源研究所 | 发光元件及使用该元件的发光装置 |
KR20070033339A (ko) * | 2004-05-27 | 2007-03-26 | 이데미쓰 고산 가부시키가이샤 | 백색계 유기 전기 발광 소자 |
DE502005002342D1 (de) * | 2005-03-15 | 2008-02-07 | Novaled Ag | Lichtemittierendes Bauelement |
JP2007073620A (ja) * | 2005-09-05 | 2007-03-22 | Fujifilm Corp | 有機電界発光素子 |
EP1784055A3 (en) | 2005-10-17 | 2009-08-05 | Semiconductor Energy Laboratory Co., Ltd. | Lighting system |
US20070236140A1 (en) * | 2006-04-05 | 2007-10-11 | Hsiang-Lun Hsu | System for displaying images including electroluminescent device and method for fabricating the same |
KR101223719B1 (ko) * | 2006-05-23 | 2013-01-18 | 삼성디스플레이 주식회사 | 백색 유기 발광 소자 및 이의 제조방법 |
JP5556014B2 (ja) * | 2006-09-20 | 2014-07-23 | コニカミノルタ株式会社 | 有機エレクトロルミネッセンス素子 |
JP5030742B2 (ja) | 2006-11-30 | 2012-09-19 | 株式会社半導体エネルギー研究所 | 発光素子 |
JP5497284B2 (ja) * | 2008-12-08 | 2014-05-21 | ユー・ディー・シー アイルランド リミテッド | 白色有機電界発光素子 |
JP5670223B2 (ja) * | 2010-03-17 | 2015-02-18 | ユー・ディー・シー アイルランド リミテッド | 有機電界発光素子 |
JP2012195572A (ja) * | 2011-02-28 | 2012-10-11 | Semiconductor Energy Lab Co Ltd | 発光層および発光素子 |
JP6386136B2 (ja) * | 2012-04-13 | 2018-09-05 | 株式会社半導体エネルギー研究所 | 発光素子、発光装置、電子機器および照明装置 |
JP6076153B2 (ja) | 2012-04-20 | 2017-02-08 | 株式会社半導体エネルギー研究所 | 発光素子、発光装置、表示装置、電子機器及び照明装置 |
JP6159037B2 (ja) * | 2012-04-20 | 2017-07-05 | 株式会社半導体エネルギー研究所 | 発光素子、照明装置、発光装置、表示装置、電子機器 |
US10439156B2 (en) * | 2013-05-17 | 2019-10-08 | Semiconductor Energy Laboratory Co., Ltd. | Light-emitting element, light-emitting device, display device, lighting device, and electronic device |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002015645A1 (en) * | 2000-08-11 | 2002-02-21 | The Trustees Of Princeton University | Organometallic compounds and emission-shifting organic electrophosphorescence |
JP2003045676A (ja) * | 2001-07-26 | 2003-02-14 | Junji Kido | 有機エレクトロルミネッセント素子 |
-
2004
- 2004-04-06 JP JP2004111718A patent/JP4578846B2/ja not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002015645A1 (en) * | 2000-08-11 | 2002-02-21 | The Trustees Of Princeton University | Organometallic compounds and emission-shifting organic electrophosphorescence |
JP2004506305A (ja) * | 2000-08-11 | 2004-02-26 | ザ、トラスティーズ オブ プリンストン ユニバーシティ | 有機金属化合物及び放射移行有機電気燐光体 |
JP2003045676A (ja) * | 2001-07-26 | 2003-02-14 | Junji Kido | 有機エレクトロルミネッセント素子 |
Also Published As
Publication number | Publication date |
---|---|
JP2004327432A (ja) | 2004-11-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US10033008B2 (en) | Electroluminescent element and light-emitting device | |
JP4531342B2 (ja) | 白色有機発光素子および発光装置 | |
JP6010150B2 (ja) | 発光素子 | |
US9385339B2 (en) | Organic light-emitting element and light-emitting device with the organic light-emitting element | |
KR101215860B1 (ko) | 발광 소자 및 그 소자를 사용하는 발광 장치 | |
JP4578846B2 (ja) | 白色発光素子および発光装置 | |
US8920940B2 (en) | Light-emitting element and light-emitting device | |
JP4869665B2 (ja) | 発光素子、発光装置、及び照明装置 | |
JP5137330B2 (ja) | 発光素子、発光装置、および電子機器 | |
KR101215287B1 (ko) | 조명 장치 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20070319 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20070319 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20100406 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20100526 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20100615 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20100720 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20100824 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20100825 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130903 Year of fee payment: 3 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 4578846 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130903 Year of fee payment: 3 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |