JP2016028459A - 三重項状態への直接注入を利用するoled - Google Patents
三重項状態への直接注入を利用するoled Download PDFInfo
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- DIVZFUBWFAOMCW-UHFFFAOYSA-N 4-n-(3-methylphenyl)-1-n,1-n-bis[4-(n-(3-methylphenyl)anilino)phenyl]-4-n-phenylbenzene-1,4-diamine Chemical compound CC1=CC=CC(N(C=2C=CC=CC=2)C=2C=CC(=CC=2)N(C=2C=CC(=CC=2)N(C=2C=CC=CC=2)C=2C=C(C)C=CC=2)C=2C=CC(=CC=2)N(C=2C=CC=CC=2)C=2C=C(C)C=CC=2)=C1 DIVZFUBWFAOMCW-UHFFFAOYSA-N 0.000 description 2
- 101000837344 Homo sapiens T-cell leukemia translocation-altered gene protein Proteins 0.000 description 2
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- 125000004429 atom Chemical group 0.000 description 2
- JAONJTDQXUSBGG-UHFFFAOYSA-N dialuminum;dizinc;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Al+3].[Al+3].[Zn+2].[Zn+2] JAONJTDQXUSBGG-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
- 239000011521 glass Substances 0.000 description 2
- 229910052741 iridium Inorganic materials 0.000 description 2
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004020 luminiscence type Methods 0.000 description 2
- 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 description 2
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- GKWLILHTTGWKLQ-UHFFFAOYSA-N 2,3-dihydrothieno[3,4-b][1,4]dioxine Chemical compound O1CCOC2=CSC=C21 GKWLILHTTGWKLQ-UHFFFAOYSA-N 0.000 description 1
- 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 1
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 1
- OGGKVJMNFFSDEV-UHFFFAOYSA-N 3-methyl-n-[4-[4-(n-(3-methylphenyl)anilino)phenyl]phenyl]-n-phenylaniline Chemical compound CC1=CC=CC(N(C=2C=CC=CC=2)C=2C=CC(=CC=2)C=2C=CC(=CC=2)N(C=2C=CC=CC=2)C=2C=C(C)C=CC=2)=C1 OGGKVJMNFFSDEV-UHFFFAOYSA-N 0.000 description 1
- ROFVEXUMMXZLPA-UHFFFAOYSA-N Bipyridyl Chemical compound N1=CC=CC=C1C1=CC=CC=N1 ROFVEXUMMXZLPA-UHFFFAOYSA-N 0.000 description 1
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 1
- 229910052693 Europium Inorganic materials 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
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- 239000004793 Polystyrene Substances 0.000 description 1
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- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000007983 Tris buffer Substances 0.000 description 1
- 125000003342 alkenyl group Chemical group 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
- ZGUMCPODCOQROF-UHFFFAOYSA-K aluminum 8-hydroxy-2-methyl-1H-quinoline-2-carboxylate 4-phenylphenolate Chemical compound [Al+3].C1(=CC=CC=C1)C1=CC=C(C=C1)[O-].CC1(NC2=C(C=CC=C2C=C1)O)C(=O)[O-].CC1(NC2=C(C=CC=C2C=C1)O)C(=O)[O-] ZGUMCPODCOQROF-UHFFFAOYSA-K 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- UHOVQNZJYSORNB-UHFFFAOYSA-N benzene Substances C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 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 1
- KYPOHTVBFVELTG-UHFFFAOYSA-N but-2-enedinitrile Chemical group N#CC=CC#N KYPOHTVBFVELTG-UHFFFAOYSA-N 0.000 description 1
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- OGPBJKLSAFTDLK-UHFFFAOYSA-N europium atom Chemical compound [Eu] OGPBJKLSAFTDLK-UHFFFAOYSA-N 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 150000002366 halogen compounds 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
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
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- 238000002955 isolation Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- HZVOZRGWRWCICA-UHFFFAOYSA-N methanediyl Chemical compound [CH2] HZVOZRGWRWCICA-UHFFFAOYSA-N 0.000 description 1
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- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
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- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 238000003466 welding Methods 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
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/12—Light sources with substantially two-dimensional radiating surfaces
- H05B33/14—Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of the electroluminescent material, or by the simultaneous addition of the electroluminescent material in or onto the light source
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/12—Light sources with substantially two-dimensional radiating surfaces
- H05B33/18—Light sources with substantially two-dimensional radiating surfaces characterised by the nature or concentration of the activator
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/12—Light sources with substantially two-dimensional radiating surfaces
- H05B33/20—Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of the material in which the electroluminescent material is embedded
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- H—ELECTRICITY
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
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- H10K50/16—Electron transporting layers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
Description
本明細書で使用されるとき、略語は、以下のように材料を参照する。
CBP:4,4’−N,N−ジカルバゾールバイフェニル
m−MTDATA:4,4’,4”−トリス(3−メチルフェニルフェニルアミノ)トリフェニルアミン
Alq3:8−トリス−ヒドロキシキノリンアルミニウム
Bphen:4,7−ジフェニル−1,10−フェナントロリン
n−BPhen:nドープされたBPhen(リチウムでドープされた)
F4−TCNQ:テトラフルオロテトラシアノキノンジメチレン
p−MTDATA:pドープされたm−MTDATA(F4−TCNQでドープされた)
Ir(ppy)3:トリス(2−フェニルピリジン)イリジウム
Ir(ppz)3:トリス(1−フェニルピラゾロト,N,C(2’)イリジウム(III))
BCP:2,9−ジメチル−4,7−ジフェニル−1,10−フェナントロリン
TAZ:3−フェニル−4−(1’−ナフチル)−5−フェニル−1,2,4−トリアゾール
CuPc−:銅フタロシアニン
ITO:酸化インジウム錫
NPD:N,N’−ジフェニル−N,N’−ジ(1−ナフチル)ベンジジン
TPD:N,N’−ジフェニル−N,N’−ジ(3−トリル)ベンジジン
BAlq:アルミニウム(III)ビス(2−メチル−8−ヒドロキシキノリネート)4−フェニルフェノレート
mCP:1,3−N,N’−ジカルボゾール−ベンゼン
DCM:4−(ジシアノエチレン)−6−(4−ジメチルアミノスチリル−2−メチル)−4H−パイラン
DMQA:N,N’−ジメチルキナクリドン
PEDOT−PSS:ポリスチレンサルフォネート(PSS)を有するポリ(3,4−エチレンジオキシチオフェン)の水性分散剤
TCTA:4,4’,4”−トリス(カルバゾール−9−yl)トリフェニルアミン
110、210 基板
115、230 アノード
120 正孔注入層
125、225 正孔輸送層
130 電子遮断層
135、220 発光層
140 正孔遮断層
145 電子輸送層
150 電子注入層
155 保護層
160、215 カソード
162 第1の導電層
164 第2の導電層
200 反転OLED
Claims (10)
- 有機発光デバイスであって、
a)アノードと、
b)カソードと、
c)前記アノードと前記カソードとの間に配置された発光層であって、
i)燐光ドーパントHOMOエネルギーレベル、燐光ドーパントLUMOエネルギーレベル、三重項エネルギー、及び一重項エネルギーを有する燐光ドーパント、及び、
ii)発光層ホストHOMOエネルギーレベル及び発光層ホストLUMOエネルギーレベルを有する発光層ホストを含む発光層と、
d)前記発光層に隣接して配置された輸送層とを備え、
前記輸送層が、第一の材料HOMOエネルギーレベル及び第一の材料LUMOエネルギーレベルを有する第一の材料を備え、前記発光層に導入された電子と正孔とが、ドーパントに一重項を形成するのに要するエネルギーより小さいエネルギー差であって、ドーパントに三重項を形成するのに十分ではあるが、ドーパントに一重項を形成するのにはエネルギー的に不利であるエネルギー差を有する、有機発光デバイス。 - 前記発光層ホストLUMOと前記燐光ドーパントHOMOとの間のエネルギー差が、前記燐光ドーパントの前記三重項エネルギーから0.1eVを引いた値以上である、請求項1に記載の有機発光デバイス。
- 前記発光層ホストHOMOと前記燐光ドーパントLUMOとの間のエネルギー差が、前記燐光ドーパントの前記三重項エネルギーから0.1eVを引いた値以上である、請求項1に記載の有機発光デバイス。
- 前記輸送層が電子輸送層であり、前記第一の材料LUMOと前記燐光ドーパントHOMOとの間のエネルギー差が、前記燐光ドーパントの前記三重項エネルギーから0.1eVを引いた値以上である、請求項1に記載の有機発光デバイス。
- 前記輸送層が正孔輸送層であり、前記第一の材料HOMOと前記燐光ドーパントLUMOとの間のエネルギー差が、前記燐光ドーパントの前記三重項エネルギーから0.1eVを引いた値以上である、請求項1に記載の有機発光デバイス。
- 電子輸送材料を含む電子輸送層と、正孔輸送材料を含む正孔輸送層との二つの輸送層を備え、前記電子輸送材料LUMOと前記正孔輸送材料HOMOとの間のエネルギー差が、前記燐光ドーパントの前記三重項エネルギーから0.1eVを引いた値以上である、請求項1に記載の有機発光デバイス。
- 前記エネルギー差が、前記燐光ドーパントの前記一重項エネルギーより少なくとも0.2eV小さい、請求項6に記載の有機発光デバイス。
- 前記燐光ドーパントが、500nm未満である発光スペクトルにピークを有する、請求項1に記載の有機発光デバイス。
- 前記輸送層が複数の材料を含み、各材料がHOMOエネルギーレベル及びLUMOエネルギーレベルを有し、前記複数の材料の各々の少なくとも一のエネルギーレベルが併せて、前記発光層の少なくとも一のエネルギーレベルにつながる一群のエネルギーステップを形成し、該一群のエネルギーステップの各ステップが0.2eV以下である、請求項1に記載の有機発光デバイス。
- 有機発光デバイスであって、
a)アノードと、
b)カソードと、
c)前記アノードと前記カソードとの間に配置された発光層であって、
i)燐光ドーパントHOMOエネルギーレベル、燐光ドーパントLUMOエネルギーレベル、三重項エネルギー、及び一重項エネルギーを有する燐光ドーパント、及び、
ii)発光層ホストHOMOエネルギーレベル及び発光層ホストLUMOエネルギーレベルを有する発光層ホストとを含む発光層と、
d)前記発光層に隣接して配置された輸送層とを備え、
前記輸送層が複数の材料を含み、各材料がHOMOエネルギーレベル及びLUMOエネルギーレベルを有し、前記複数の材料の各々の少なくとも一のエネルギーレベルが併せて、前記発光層の少なくとも一のエネルギーレベルにつながる一群のエネルギーステップを形成し、該一群のエネルギーステップの各ステップが0.2eV以下である、有機光電子デバイス。
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M. A. BALDO AND S. R. FORREST: "Transient analysis of organic electrophosphorescencd: I. Transient analysis of triplet energy transf", PHYSICAL REVIEW B, vol. VOLUME 62, NUMBER 16, JPN6012017290, 15 October 2000 (2000-10-15), US, pages 10958 - 10966, ISSN: 0003415588 * |
Cited By (1)
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WO2019159216A1 (ja) * | 2018-02-13 | 2019-08-22 | シャープ株式会社 | 発光デバイス |
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US7683536B2 (en) | 2010-03-23 |
JP5662402B2 (ja) | 2015-01-28 |
WO2006105387A2 (en) | 2006-10-05 |
TW200644719A (en) | 2006-12-16 |
JP2013048265A (ja) | 2013-03-07 |
JP5883548B2 (ja) | 2016-03-15 |
EP1878068B1 (en) | 2013-11-13 |
KR101255871B1 (ko) | 2013-04-17 |
US20060279204A1 (en) | 2006-12-14 |
KR20070114376A (ko) | 2007-12-03 |
WO2006105387A8 (en) | 2007-11-22 |
JP2008535266A (ja) | 2008-08-28 |
CN101156257A (zh) | 2008-04-02 |
TWI452930B (zh) | 2014-09-11 |
EP1878068A2 (en) | 2008-01-16 |
WO2006105387A3 (en) | 2007-06-21 |
CN101156257B (zh) | 2012-01-18 |
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