ORGANIC ELECTROLUMINESCENT ELEMENT, COMPOUND, AND ELECTRONIC DEVICE
An organic electroluminescent element (1) has an anode (3), a cathode (4), and a light-emitting layer (5) provided between the anode (3) and the cathode (4). The light-emitting layer (5) contains a compound M3 represented by general formula (1) below and a delayed fluorescent compound M2. The struct...
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22.09.2022
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Abstract | An organic electroluminescent element (1) has an anode (3), a cathode (4), and a light-emitting layer (5) provided between the anode (3) and the cathode (4). The light-emitting layer (5) contains a compound M3 represented by general formula (1) below and a delayed fluorescent compound M2. The structure of the compound M3 is different from that of the compound M2, and the singlet energy S1 (M3) of the compound M3 and the singlet energy S1 (M2) of the compound M2 satisfy the relationship in the mathematical expression (expression 1) below. (Expression 1) S1 (M3) > S1 (M2) (in general formula (1), A is a group represented by any of general formula (11A), (11B), (11C), (11D), (11E), or (11F), and Y1 is an oxygen atom or sulfur atom).
L'invention concerne un élément électroluminescent organique (1) qui comporte une anode (3), une cathode (4) et une couche électroluminescente (5) disposée entre l'anode (3) et la cathode (4). La couche électroluminescente (5) contient un composé M3 représenté par la formule générale (1) et un composé fluorescent retardé M2. La structure du composé M3 est différente de celle du composé M2, et l'énergie singulet S1 (M3) du composé M3 ainsi que l'énergie singulet S1 (M2) du composé M2 satisfont la relation dans l'expression mathématique (expression 1) ci-dessous. (Expression1) S1 (M3) > S1 (M2) (dans la formule générale (1), A est un groupe représenté par l'une quelconque de la formule générale (11A), (11B), (11C), (11D), (11E), ou (11F), et Y1 est un atome d'oxygène ou un atome de soufre).
陽極(3)と、陰極(4)と、陽極(3)と陰極(4)との間に含まれる発光層(5)と、を有し、発光層(5)は、下記一般式(1)で表される化合物M3と、遅延蛍光性の化合物M2と、を含み、化合物M3と前記化合物M2とは構造が異なり、化合物M3の一重項エネルギーS1(M3)と、前記化合物M2の一重項エネルギーS1(M2)とが、下記数式(数1)の関係を満たす、有機エレクトロルミネッセンス素子(1)。 S1(M3)>S1(M2) (数1) (一般式(1)において、Aは、一般式(11A)、(11B)、(11C)、(11D)、(11E)及び(11F)のいずれかで表される基であり、Y1は、酸素原子又は硫黄原子である。) |
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AbstractList | An organic electroluminescent element (1) has an anode (3), a cathode (4), and a light-emitting layer (5) provided between the anode (3) and the cathode (4). The light-emitting layer (5) contains a compound M3 represented by general formula (1) below and a delayed fluorescent compound M2. The structure of the compound M3 is different from that of the compound M2, and the singlet energy S1 (M3) of the compound M3 and the singlet energy S1 (M2) of the compound M2 satisfy the relationship in the mathematical expression (expression 1) below. (Expression 1) S1 (M3) > S1 (M2) (in general formula (1), A is a group represented by any of general formula (11A), (11B), (11C), (11D), (11E), or (11F), and Y1 is an oxygen atom or sulfur atom).
L'invention concerne un élément électroluminescent organique (1) qui comporte une anode (3), une cathode (4) et une couche électroluminescente (5) disposée entre l'anode (3) et la cathode (4). La couche électroluminescente (5) contient un composé M3 représenté par la formule générale (1) et un composé fluorescent retardé M2. La structure du composé M3 est différente de celle du composé M2, et l'énergie singulet S1 (M3) du composé M3 ainsi que l'énergie singulet S1 (M2) du composé M2 satisfont la relation dans l'expression mathématique (expression 1) ci-dessous. (Expression1) S1 (M3) > S1 (M2) (dans la formule générale (1), A est un groupe représenté par l'une quelconque de la formule générale (11A), (11B), (11C), (11D), (11E), ou (11F), et Y1 est un atome d'oxygène ou un atome de soufre).
陽極(3)と、陰極(4)と、陽極(3)と陰極(4)との間に含まれる発光層(5)と、を有し、発光層(5)は、下記一般式(1)で表される化合物M3と、遅延蛍光性の化合物M2と、を含み、化合物M3と前記化合物M2とは構造が異なり、化合物M3の一重項エネルギーS1(M3)と、前記化合物M2の一重項エネルギーS1(M2)とが、下記数式(数1)の関係を満たす、有機エレクトロルミネッセンス素子(1)。 S1(M3)>S1(M2) (数1) (一般式(1)において、Aは、一般式(11A)、(11B)、(11C)、(11D)、(11E)及び(11F)のいずれかで表される基であり、Y1は、酸素原子又は硫黄原子である。) |
Author | MATSUMOTO Hisato JINDE Yukitoshi HIGASHINO Yuta NAGAO Kazumasa SHIOMI Takushi HOSHINO Hidetaka OGIWARA Toshinari |
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DocumentTitleAlternate | 有機エレクトロルミネッセンス素子、化合物、及び電子機器 ÉLÉMENT ÉLECTROLUMINESCENT ORGANIQUE, COMPOSÉ ET DISPOSITIF ÉLECTRONIQUE |
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Snippet | An organic electroluminescent element (1) has an anode (3), a cathode (4), and a light-emitting layer (5) provided between the anode (3) and the cathode (4).... |
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SubjectTerms | ADHESIVES BASIC ELECTRIC ELEMENTS CHEMISTRY DYES ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY HETEROCYCLIC COMPOUNDS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC CHEMISTRY PAINTS POLISHES SEMICONDUCTOR DEVICES |
Title | ORGANIC ELECTROLUMINESCENT ELEMENT, COMPOUND, AND ELECTRONIC DEVICE |
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