JP2021525000A - 有機発光素子 - Google Patents
有機発光素子 Download PDFInfo
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- JP2021525000A JP2021525000A JP2020563746A JP2020563746A JP2021525000A JP 2021525000 A JP2021525000 A JP 2021525000A JP 2020563746 A JP2020563746 A JP 2020563746A JP 2020563746 A JP2020563746 A JP 2020563746A JP 2021525000 A JP2021525000 A JP 2021525000A
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- Prior art keywords
- substituted
- group
- unsubstituted
- chemical formula
- light emitting
- Prior art date
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- 150000001875 compounds Chemical class 0.000 claims abstract description 146
- 239000000126 substance Substances 0.000 claims abstract description 141
- 125000003118 aryl group Chemical group 0.000 claims description 63
- 125000004432 carbon atom Chemical group C* 0.000 claims description 57
- 238000002347 injection Methods 0.000 claims description 57
- 239000007924 injection Substances 0.000 claims description 57
- 230000005525 hole transport Effects 0.000 claims description 35
- -1 dibenzofuranyl group Chemical group 0.000 claims description 32
- 125000000217 alkyl group Chemical group 0.000 claims description 28
- 125000000623 heterocyclic group Chemical group 0.000 claims description 25
- 125000001424 substituent group Chemical group 0.000 claims description 24
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 claims description 17
- 125000006267 biphenyl group Chemical group 0.000 claims description 16
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 16
- 229910052805 deuterium Inorganic materials 0.000 claims description 14
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 9
- 125000005509 dibenzothiophenyl group Chemical group 0.000 claims description 9
- 229910052739 hydrogen Inorganic materials 0.000 claims description 9
- 239000001257 hydrogen Substances 0.000 claims description 9
- 229910052760 oxygen Inorganic materials 0.000 claims description 9
- 229910052717 sulfur Inorganic materials 0.000 claims description 9
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 8
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- 125000003808 silyl group Chemical group [H][Si]([H])([H])[*] 0.000 claims description 6
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- 150000004945 aromatic hydrocarbons Chemical group 0.000 description 5
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- 0 *C(C(C=C)=C)(c1cccc(-c2ccccc2)c1)c1ccccc1O Chemical compound *C(C(C=C)=C)(c1cccc(-c2ccccc2)c1)c1ccccc1O 0.000 description 4
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 4
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- DLKQHBOKULLWDQ-UHFFFAOYSA-N 1-bromonaphthalene Chemical compound C1=CC=C2C(Br)=CC=CC2=C1 DLKQHBOKULLWDQ-UHFFFAOYSA-N 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
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- 239000010405 anode material Substances 0.000 description 3
- 125000000609 carbazolyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3NC12)* 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 229920001940 conductive polymer Polymers 0.000 description 3
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- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- FVIZARNDLVOMSU-UHFFFAOYSA-N ginsenoside K Natural products C1CC(C2(CCC3C(C)(C)C(O)CCC3(C)C2CC2O)C)(C)C2C1C(C)(CCC=C(C)C)OC1OC(CO)C(O)C(O)C1O FVIZARNDLVOMSU-UHFFFAOYSA-N 0.000 description 3
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 3
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 3
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- 229920000553 poly(phenylenevinylene) Polymers 0.000 description 3
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- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 2
- VTSDGYDTWADUJQ-UHFFFAOYSA-N 2-bromoanthracene-9,10-dione Chemical compound C1=CC=C2C(=O)C3=CC(Br)=CC=C3C(=O)C2=C1 VTSDGYDTWADUJQ-UHFFFAOYSA-N 0.000 description 2
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
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- JGFZNNIVVJXRND-UHFFFAOYSA-N N,N-Diisopropylethylamine (DIPEA) Chemical compound CCN(C(C)C)C(C)C JGFZNNIVVJXRND-UHFFFAOYSA-N 0.000 description 2
- MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical compound [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 description 2
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- 150000004982 aromatic amines Chemical class 0.000 description 2
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/60—Organic compounds having low molecular weight
- H10K85/615—Polycyclic condensed aromatic hydrocarbons, e.g. anthracene
-
- H—ELECTRICITY
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Abstract
Description
Ar1およびAr2は、互いに同一または異なり、それぞれ独立して、置換もしくは非置換のフェニル基;または置換もしくは非置換のビフェニル基であり、
Ar3は、置換もしくは非置換のアリール基;置換もしくは非置換のジベンゾフラニル基;または置換もしくは非置換のジベンゾチオフェニル基であり、
L1〜L3は、互いに同一または異なり、それぞれ独立して、直接結合;または置換もしくは非置換のアリーレン基であり、
R1およびR2は、互いに同一または異なり、それぞれ独立して、水素;重水素;ニトリル基;ハロゲン基;置換もしくは非置換のシリル基;置換もしくは非置換のホウ素基;置換もしくは非置換のアルキル基;置換もしくは非置換のアルケニル基;置換もしくは非置換のアルキニル基;置換もしくは非置換のアルコキシ基;置換もしくは非置換のアリールオキシ基;置換もしくは非置換のシクロアルキル基;置換もしくは非置換のアミン基;置換もしくは非置換のアリール基;または置換もしくは非置換のヘテロ環基であり、
n1は、0〜4の整数であり、前記n1が2以上の場合、2以上のR1は、互いに同一または異なり、
n2は、0〜3の整数であり、前記n2が2以上の場合、2以上のR2は、互いに同一または異なり、
[化学式2]
X1は、BまたはP(=O)であり、
Y1は、O、S、またはNRaであり、Y2は、O、S、またはNRbであり、
Cy1〜Cy3は、互いに同一または異なり、それぞれ独立して、置換もしくは非置換の芳香族炭化水素環;または置換もしくは非置換の芳香族ヘテロ環であり、前記Cy1およびCy2は、互いに結合して置換もしくは非置換の環を形成してもよいし、
Raは、置換もしくは非置換のアルキル基;置換もしくは非置換のアリール基;または置換もしくは非置換のヘテロ環基であるか、前記Cy1またはCy3と結合して置換もしくは非置換の環を形成し、
Rbは、置換もしくは非置換のアルキル基;置換もしくは非置換のアリール基;または置換もしくは非置換のヘテロ環基であるか、前記Cy2またはCy3と結合して置換もしくは非置換の環を形成する。
Ar1およびAr2は、互いに同一または異なり、それぞれ独立して、置換もしくは非置換のフェニル基;または置換もしくは非置換のビフェニル基であり、
Ar3は、置換もしくは非置換のアリール基;置換もしくは非置換のジベンゾフラニル基;または置換もしくは非置換のジベンゾチオフェニル基であり、
L1〜L3は、互いに同一または異なり、それぞれ独立して、直接結合;または置換もしくは非置換のアリーレン基であり、
R1およびR2は、互いに同一または異なり、それぞれ独立して、水素;重水素;ニトリル基;ハロゲン基;置換もしくは非置換のシリル基;置換もしくは非置換のホウ素基;置換もしくは非置換のアルキル基;置換もしくは非置換のアルケニル基;置換もしくは非置換のアルキニル基;置換もしくは非置換のアルコキシ基;置換もしくは非置換のアリールオキシ基;置換もしくは非置換のシクロアルキル基;置換もしくは非置換のアミン基;置換もしくは非置換のアリール基;または置換もしくは非置換のヘテロ環基であり、
n1は、0〜4の整数であり、前記n1が2以上の場合、2以上のR1は、互いに同一または異なり、
n2は、0〜3の整数であり、前記n2が2以上の場合、2以上のR2は、互いに同一または異なり、
[化学式2]
X1は、BまたはP(=O)であり、
Y1は、O、S、またはNRaであり、Y2は、O、S、またはNRbであり、
Cy1〜Cy3は、互いに同一または異なり、それぞれ独立して、置換もしくは非置換の芳香族炭化水素環;または置換もしくは非置換の芳香族ヘテロ環であり、前記Cy1およびCy2は、互いに結合して置換もしくは非置換の環を形成してもよいし、
Raは、置換もしくは非置換のアルキル基;置換もしくは非置換のアリール基;または置換もしくは非置換のヘテロ環基であるか、前記Cy1またはCy3と結合して置換もしくは非置換の環を形成し、
Rbは、置換もしくは非置換のアルキル基;置換もしくは非置換のアリール基;または置換もしくは非置換のヘテロ環基であるか、前記Cy2またはCy3と結合して置換もしくは非置換の環を形成する。
もう一つの実施態様において、前記L1およびL2は、互いに同一または異なり、それぞれ独立して、直接結合;または置換もしくは非置換の炭素数6〜30のアリーレン基である。
L1〜L3、Ar1、Ar2、R1、R2、n1およびn2の定義は、前記化学式1で定義した通りであり、
Ar11は、置換もしくは非置換のアリール基であり、
Wは、OまたはSである。
Cy1〜Cy3、X1、RaおよびRbの定義は、前記化学式2で定義した通りである。
2:陽極
3:発光層
4:陰極
5:正孔注入層
6:正孔輸送層1
7:正孔輸送層2
8:発光層
9:電子輸送層
10:電子注入層
Claims (10)
- 第1電極と、
前記第1電極に対向して備えられた第2電極と、
前記第1電極と前記第2電極との間に備えられた発光層を含む有機物層と
を含み、
前記発光層は、下記化学式1で表される化合物および下記化学式2で表される化合物を含む
有機発光素子:
[化学式1]
Ar1およびAr2は、互いに同一または異なり、それぞれ独立して、置換もしくは非置換のフェニル基;または置換もしくは非置換のビフェニル基であり、
Ar3は、置換もしくは非置換のアリール基;置換もしくは非置換のジベンゾフラニル基;または置換もしくは非置換のジベンゾチオフェニル基であり、
L1〜L3は、互いに同一または異なり、それぞれ独立して、直接結合;または置換もしくは非置換のアリーレン基であり、
R1およびR2は、互いに同一または異なり、それぞれ独立して、水素;重水素;ニトリル基;ハロゲン基;置換もしくは非置換のシリル基;置換もしくは非置換のホウ素基;置換もしくは非置換のアルキル基;置換もしくは非置換のアルケニル基;置換もしくは非置換のアルキニル基;置換もしくは非置換のアルコキシ基;置換もしくは非置換のアリールオキシ基;置換もしくは非置換のシクロアルキル基;置換もしくは非置換のアミン基;置換もしくは非置換のアリール基;または置換もしくは非置換のヘテロ環基であり、
n1は、0〜4の整数であり、前記n1が2以上の場合、2以上のR1は、互いに同一または異なり、
n2は、0〜3の整数であり、前記n2が2以上の場合、2以上のR2は、互いに同一または異なり、
[化学式2]
X1は、BまたはP(=O)であり、
Y1は、O、S、またはNRaであり、
Y2は、O、S、またはNRbであり、
Cy1〜Cy3は、互いに同一または異なり、それぞれ独立して、置換もしくは非置換の芳香族炭化水素環;または置換もしくは非置換の芳香族ヘテロ環であり、前記Cy1およびCy2は、互いに結合して置換もしくは非置換の環を形成してもよいし、
Raは、置換もしくは非置換のアルキル基;置換もしくは非置換のアリール基;または置換もしくは非置換のヘテロ環基であるか、前記Cy1またはCy3と結合して置換もしくは非置換の環を形成し、
Rbは、置換もしくは非置換のアルキル基;置換もしくは非置換のアリール基;または置換もしくは非置換のヘテロ環基であるか、前記Cy2またはCy3と結合して置換もしくは非置換の環を形成する。 - 前記Ar1およびAr2は、互いに同一または異なり、それぞれ独立して、重水素または炭素数6〜60のアリール基で置換もしくは非置換のフェニル基;または重水素または炭素数6〜60のアリール基で置換もしくは非置換のビフェニル基である、
請求項1に記載の有機発光素子。 - 前記Ar3は、置換もしくは非置換の炭素数6〜60のアリール基;置換もしくは非置換のジベンゾフラニル基;または置換もしくは非置換のジベンゾチオフェニル基である、
請求項1または2に記載の有機発光素子。 - 前記化学式1で表される化合物は、前記発光層のホストであり、
前記化学式2で表される化合物は、前記発光層のドーパントである、
請求項1から7のいずれか1項に記載の有機発光素子。 - 前記化学式2で表される化合物は、前記化学式1で表される化合物100重量部対比、1重量部〜20重量部含まれる、
請求項1から8のいずれか1項に記載の有機発光素子。 - 前記有機物層は、正孔輸送層、正孔注入層、電子ブロック層、電子輸送および注入層、電子輸送層、電子注入層、正孔ブロック層、および正孔輸送および注入層のうちの1層以上をさらに含む、
請求項1から9のいずれか1項に記載の有機発光素子。
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