JP6408231B2 - 発光素子、発光装置、電子機器、および照明装置 - Google Patents
発光素子、発光装置、電子機器、および照明装置 Download PDFInfo
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- JP6408231B2 JP6408231B2 JP2014059988A JP2014059988A JP6408231B2 JP 6408231 B2 JP6408231 B2 JP 6408231B2 JP 2014059988 A JP2014059988 A JP 2014059988A JP 2014059988 A JP2014059988 A JP 2014059988A JP 6408231 B2 JP6408231 B2 JP 6408231B2
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- 150000002366 halogen compounds Chemical class 0.000 description 1
- 150000002390 heteroarenes Chemical class 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- WPYVAWXEWQSOGY-UHFFFAOYSA-N indium antimonide Chemical compound [Sb]#[In] WPYVAWXEWQSOGY-UHFFFAOYSA-N 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 229910003437 indium oxide Inorganic materials 0.000 description 1
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 238000012905 input function Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000002346 layers by function Substances 0.000 description 1
- 150000007527 lewis bases Chemical class 0.000 description 1
- 239000003446 ligand Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 125000000040 m-tolyl group Chemical group [H]C1=C([H])C(*)=C([H])C(=C1[H])C([H])([H])[H] 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- CMLCVSPDRZVSRT-UHFFFAOYSA-N n,9-diphenyl-n-(9,9'-spirobi[fluorene]-2-yl)carbazol-3-amine Chemical compound C1=CC=CC=C1N(C=1C=C2C3=CC=CC=C3N(C=3C=CC=CC=3)C2=CC=1)C1=CC=C(C=2C(=CC=CC=2)C23C4=CC=CC=C4C4=CC=CC=C43)C2=C1 CMLCVSPDRZVSRT-UHFFFAOYSA-N 0.000 description 1
- WOYDRSOIBHFMGB-UHFFFAOYSA-N n,9-diphenyl-n-(9-phenylcarbazol-3-yl)carbazol-3-amine Chemical compound C1=CC=CC=C1N(C=1C=C2C3=CC=CC=C3N(C=3C=CC=CC=3)C2=CC=1)C1=CC=C(N(C=2C=CC=CC=2)C=2C3=CC=CC=2)C3=C1 WOYDRSOIBHFMGB-UHFFFAOYSA-N 0.000 description 1
- COVCYOMDZRYBNM-UHFFFAOYSA-N n-naphthalen-1-yl-9-phenyl-n-(9-phenylcarbazol-3-yl)carbazol-3-amine Chemical compound C1=CC=CC=C1N1C2=CC=C(N(C=3C=C4C5=CC=CC=C5N(C=5C=CC=CC=5)C4=CC=3)C=3C4=CC=CC=C4C=CC=3)C=C2C2=CC=CC=C21 COVCYOMDZRYBNM-UHFFFAOYSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910000484 niobium oxide Inorganic materials 0.000 description 1
- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- DYIZHKNUQPHNJY-UHFFFAOYSA-N oxorhenium Chemical compound [Re]=O DYIZHKNUQPHNJY-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 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
- KBBSSGXNXGXONI-UHFFFAOYSA-N phenanthro[9,10-b]pyrazine Chemical compound C1=CN=C2C3=CC=CC=C3C3=CC=CC=C3C2=N1 KBBSSGXNXGXONI-UHFFFAOYSA-N 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920000078 poly(4-vinyltriphenylamine) Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- VLRICFVOGGIMKK-UHFFFAOYSA-N pyrazol-1-yloxyboronic acid Chemical compound OB(O)ON1C=CC=N1 VLRICFVOGGIMKK-UHFFFAOYSA-N 0.000 description 1
- 125000000714 pyrimidinyl group Chemical group 0.000 description 1
- 150000002909 rare earth metal compounds Chemical class 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910003449 rhenium oxide Inorganic materials 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 229910052950 sphalerite Inorganic materials 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 229910001936 tantalum oxide Inorganic materials 0.000 description 1
- 229910052714 tellurium Inorganic materials 0.000 description 1
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 description 1
- UGNWTBMOAKPKBL-UHFFFAOYSA-N tetrachloro-1,4-benzoquinone Chemical compound ClC1=C(Cl)C(=O)C(Cl)=C(Cl)C1=O UGNWTBMOAKPKBL-UHFFFAOYSA-N 0.000 description 1
- JIIYLLUYRFRKMG-UHFFFAOYSA-N tetrathianaphthacene Chemical compound C1=CC=CC2=C3SSC(C4=CC=CC=C44)=C3C3=C4SSC3=C21 JIIYLLUYRFRKMG-UHFFFAOYSA-N 0.000 description 1
- 125000001544 thienyl group Chemical group 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000002834 transmittance Methods 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
- QGJSAGBHFTXOTM-UHFFFAOYSA-K trifluoroerbium Chemical compound F[Er](F)F QGJSAGBHFTXOTM-UHFFFAOYSA-K 0.000 description 1
- RFDGVZHLJCKEPT-UHFFFAOYSA-N tris(2,4,6-trimethyl-3-pyridin-3-ylphenyl)borane Chemical compound CC1=C(B(C=2C(=C(C=3C=NC=CC=3)C(C)=CC=2C)C)C=2C(=C(C=3C=NC=CC=3)C(C)=CC=2C)C)C(C)=CC(C)=C1C1=CC=CN=C1 RFDGVZHLJCKEPT-UHFFFAOYSA-N 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 229910001935 vanadium oxide Inorganic materials 0.000 description 1
- 238000005019 vapor deposition process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 229960001296 zinc oxide Drugs 0.000 description 1
- 229910052984 zinc sulfide Inorganic materials 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
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- H10K50/12—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers comprising dopants
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- H10K50/125—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers specially adapted for multicolour light emission, e.g. for emitting white light
- H10K50/13—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers specially adapted for multicolour light emission, e.g. for emitting white light comprising stacked EL layers within one EL unit
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- H10K50/125—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers specially adapted for multicolour light emission, e.g. for emitting white light
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- H10K85/30—Coordination compounds
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- H10K85/342—Transition metal complexes, e.g. Ru(II)polypyridine complexes comprising iridium
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- H10K85/631—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine
- H10K85/633—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine comprising polycyclic condensed aromatic hydrocarbons as substituents on the nitrogen atom
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- H10K85/636—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine comprising heteroaromatic hydrocarbons as substituents on the nitrogen atom
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- H10K85/649—Aromatic compounds comprising a hetero atom
- H10K85/657—Polycyclic condensed heteroaromatic hydrocarbons
- H10K85/6572—Polycyclic condensed heteroaromatic hydrocarbons comprising only nitrogen in the heteroaromatic polycondensed ring system, e.g. phenanthroline or carbazole
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- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Electroluminescent Light Sources (AREA)
Description
(但し、E0は初期発光強度、E(t)は時間(t)における発光強度、Aは定数、τは減衰成分の寿命、nは減衰曲線の成分数を示す。)
本実施の形態では、本発明の一態様である発光素子について説明する。
本実施の形態では、本発明の一態様である発光素子の一例について図3を用いて説明する。
本実施の形態では、本発明の一態様として、電荷発生層を挟んでEL層を複数有する構造の発光素子(以下、タンデム型発光素子という)について説明する。
本実施の形態では、本発明の一態様である発光素子を有する発光装置について説明する。
本実施の形態では、本発明の一態様である発光素子を適用して作製された発光装置を用いて完成させた様々な電子機器の一例について、図6、図7を用いて説明する。
本実施の形態では、本発明の一態様である発光素子を含む発光装置を適用した照明装置の一例について、図8を用いて説明する。
まず、ガラス製の基板1100上に酸化珪素を含む酸化インジウム−酸化スズ(ITSO)をスパッタリング法により成膜し、陽極として機能する第1の電極1101を形成した。なお、その膜厚は110nmとし、電極面積は2mm×2mmとした。
作製した発光素子1および比較発光素子2の動作特性について測定した。なお、測定は室温(25℃に保たれた雰囲気)で行った。
12 ゲスト材料
101 陽極
102 陰極
103 EL層
104 発光層
105 ホスト材料である第1の有機化合物
106 第1のゲスト材料である第2の有機化合物
107 第2のゲスト材料である第3の有機化合物
201 第1の電極
202 第2の電極
203 EL層
204 正孔注入層
205 正孔輸送層
206 発光層
207 電子輸送層
208 電子注入層
209 ホスト材料である第1の有機化合物
210 第1のゲスト材料である第2の有機化合物
211 第2のゲスト材料である第3の有機化合物
301 第1の電極
302(1) 第1のEL層
302(2) 第2のEL層
304 第2の電極
305 電荷発生層
305(1) 第1の電荷発生層
305(2) 第2の電荷発生層
501 素子基板
502 画素部
503 駆動回路部(ソース線駆動回路)
504a、504b 駆動回路部(ゲート線駆動回路)
505 シール材
506 封止基板
507 配線
508 FPC(フレキシブルプリントサーキット)
509 nチャネル型FET
510 pチャネル型FET
511 スイッチング用FET
512 電流制御用FET
513 第1の電極(陽極)
514 絶縁物
515 EL層
516 第2の電極(陰極)
517 発光素子
518 空間
1100 基板
1101 第1の電極
1102 EL層
1103 第2の電極
1111 正孔注入層
1112 正孔輸送層
1113 発光層
1113a 第1の発光層
1113b 第2の発光層
1114 電子輸送層
1115 電子注入層
7100 テレビジョン装置
7101 筐体
7103 表示部
7105 スタンド
7107 表示部
7109 操作キー
7110 リモコン操作機
7201 本体
7202 筐体
7203 表示部
7204 キーボード
7205 外部接続ポート
7206 ポインティングデバイス
7301 筐体
7302 筐体
7303 連結部
7304 表示部
7305 表示部
7306 スピーカ部
7307 記録媒体挿入部
7308 LEDランプ
7309 操作キー
7310 接続端子
7311 センサ
7312 マイクロフォン
7400 携帯電話機
7401 筐体
7402 表示部
7403 操作ボタン
7404 外部接続ポート
7405 スピーカ
7406 マイク
8001 照明装置
8002 照明装置
8003 照明装置
8004 照明装置
9033 留め具
9034 表示モード切り替えスイッチ
9035 電源スイッチ
9036 省電力モード切り替えスイッチ
9038 操作スイッチ
9630 筐体
9631 表示部
9631a 表示部
9631b 表示部
9632a タッチパネルの領域
9632b タッチパネルの領域
9633 太陽電池
9634 充放電制御回路
9635 バッテリー
9636 DCDCコンバータ
9637 操作キー
9638 コンバータ
9639 ボタン
Claims (8)
- 一対の電極間に少なくとも発光層を有し、
前記発光層は、第1の有機化合物と、第2の有機化合物と、第3の有機化合物とを少なくとも有し、
前記第2の有機化合物および前記第3の有機化合物は、有機金属錯体であり、
前記第1の有機化合物のT1準位は、前記第2の有機化合物のT1準位よりも低く、
前記第1の有機化合物のT1準位は、前記第3の有機化合物のT1準位よりも高く、
前記発光層は、光励起によって複数の発光を呈し、
前記複数の発光のうちの一が、多成分の減衰曲線を示し、かつ発光寿命が、5μsec以上15μsec以下であることを特徴とする発光素子。 - 一対の電極間に少なくとも発光層を有し、
前記発光層は、第1の有機化合物と、第2の有機化合物と、第3の有機化合物とを少なくとも有し、
前記第2の有機化合物および前記第3の有機化合物は、有機金属錯体であり、
前記第1の有機化合物のT1準位は、前記第2の有機化合物のT1準位よりも低く、
前記第1の有機化合物のT1準位は、前記第3の有機化合物のT1準位よりも高く、
前記第2の有機化合物に基づく発光は、多成分減衰曲線を示し、かつ発光寿命が、5μsec以上15μsec以下であることを特徴とする発光素子。 - 請求項1または請求項2において、
前記発光層は、前記第1の有機化合物および前記第2の有機化合物を有する第1の発光層と、前記第1の有機化合物および前記第3の有機化合物を有する第2の発光層とを有することを特徴とする発光素子。 - 一対の電極間に少なくとも発光層を有し、
前記発光層は、ホスト材料と、第1のゲスト材料と、第2のゲスト材料とを少なくとも有し、
前記ホスト材料のT1準位は、前記第1のゲスト材料のT1準位よりも低く、
前記ホスト材料のT1準位は、前記第2のゲスト材料のT1準位よりも高く、
前記第1のゲスト材料に基づく発光が、多成分減衰曲線を示し、かつ発光寿命が、5μsec以上15μsec以下であることを特徴とする発光素子。 - 請求項4において、
前記発光層は、前記ホスト材料および前記第1のゲスト材料を有する第1の発光層と、前記ホスト材料および前記第2のゲスト材料を有する第2の発光層とを有することを特徴とする発光素子。 - 請求項1乃至請求項5のいずれか一に記載の発光素子を用いた発光装置。
- 請求項6に記載の発光装置を用いた電子機器。
- 請求項6に記載の発光装置を用いた照明装置。
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JP (2) | JP6408231B2 (ja) |
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KR102233619B1 (ko) | 2021-03-30 |
TWI680591B (zh) | 2019-12-21 |
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US9461259B2 (en) | 2016-10-04 |
TWI650880B (zh) | 2019-02-11 |
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KR102173936B1 (ko) | 2020-11-04 |
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