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US 2016/0111660 A1Published application
Delayed fluorescence compound, and organic light emitting diode and display device using the same
AssigneeLG Display Co., Ltd.
InventorsJoong-Hwan YANG, Kyung-Jin YOON, Hyo-Jin NOH, Dae-Wi YOON, In-Ae SHIN, Jun-Yun KIM
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Abstract
Discussed is a delayed fluorescence compound including a first electron donor moiety of indolo-[3,2,1-j,k]carbazole; a second electron donor moiety selected from indolo-[3,2,1-j,k]carbazole, carbazole, or triphenylamine; and an electron acceptor moiety selected from dibenzothiophene sulfone or diphenyl sulfone, wherein the first and second electron donor moieties are combined to the electron acceptor moiety, and the electron acceptor moiety is combined to a third position or a sixth position of the first electron donor moiety.
Claims19
A delayed fluorescence compound, comprising:
- a first electron donor moiety of indolo-[3,2,1-j,k]carbazole;
- a second electron donor moiety selected from the group consisting of indolo-[3,2,1-j,k]carbazole, carbazole, and triphenylamine;
- and
- an electron acceptor moiety selected from the group consisting of dibenzothiophene sulfone and diphenyl sulfone,
- wherein the first electron donor moiety and the second electron donor moiety are combined to the electron acceptor moiety, and the electron acceptor moiety is combined to a third position or a sixth position of the first electron donor moiety.
2 more elements
A delayed fluorescence compound of Formula 1:
- wherein one of m and n is 1, and the other of m and n is 0, and wherein each of X1 and X2 is independently selected from Formula 2, and each of Y1 and Y2 is independently selected from Formula 3:
An organic light emitting diode, comprising:
- a first electrode;
- a second electrode facing the first electrode;
- and
- an organic emitting layer between the first electrode and the second electrode, the organic emitting layer including a delayed fluorescence compound,
- wherein the delayed fluorescence compound includes a first electron donor moiety of indolo-[3,2,1-j,k]carbazole, a second electron donor moiety selected from the group consisting of indolo-[3,2,1-j,k]carbazole, carbazole, and triphenylamine, and an electron acceptor moiety selected from the group consisting of dibenzothiophene sulfone and diphenyl sulfone,
- wherein the first electron donor moiety and the second electron donor moiety are combined to the electron acceptor moiety, and the electron acceptor moiety is combined to a third position or a sixth position of the first electron donor moiety.
3 more elements
An organic light emitting diode, comprising:
- a first electrode;
- a second electrode facing the first electrode;
- and
- an organic emitting layer between the first electrode and the second electrode, the organic emitting layer including a delayed fluorescence compound of Formula 1:
- wherein one of m and n is 1, and the other of m and n is 0, and wherein each of X1 and X2 is independently selected from Formula 2, and each of Y1 and Y2 is independently selected from Formula 3:
2 more elements
A display device, comprising:
- a substrate;
- an organic light emitting diode on the substrate and including a first electrode, a second electrode facing the first electrode, and an organic emitting layer between the first electrode and the second electrode, the organic emitting layer including a delayed fluorescence compound;
- an encapsulation film on the organic light emitting diode;
- and
- a cover window on the encapsulation film,
- wherein the delayed fluorescence compound includes a first electron donor moiety of indolo-[3,2,1-j,k]carbazole, a second electron donor moiety selected from the group consisting of indolo-[3,2,1-j,k]carbazole, carbazole, and triphenylamine, and an electron acceptor moiety selected from the group consisting of dibenzothiophene sulfone and diphenyl sulfone,
- wherein the first and second electron donor moieties are combined to the electron acceptor moiety, and the electron acceptor moiety is combined to a third position or a sixth position of the first electron donor moiety.
4 more elements
A display device, comprising:
- a substrate;
- an organic light emitting diode on the substrate and including a first electrode, a second electrode facing the first electrode and an organic emitting layer between the first and second electrodes, the organic emitting layer including a delayed fluorescence compound of Formula 1;
- an encapsulation film on the organic light emitting diode;
- and
- a cover window on the encapsulation film,
- wherein one of m and n is 1, and the other one of m and n is 0, and wherein each of X1 and X2 is independently selected from Formula 2, and each of Y1 and Y2 is independently selected from Formula 3:
3 more elements
Dependencies are inferred from the claim text.