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
Life of this patent
Estimating the term…
Abstract
Discussed is a delayed fluorescence compound of Formula 1: wherein n is 1 or 0, and A is selected from Formula 2: wherein D is selected from Formula 3: and each of “L1” and “L2” is independently selected from Formula 4: wherein R1 in the Formula 2 is selected from hydrogen or phenyl, and each of X, Y, and Z is independently selected from carbon and nitrogen, and wherein at least two selected from X, Y, and Z are nitrogen, and R2 in the Formula 4 is selected from one of hydrogen and C1 alkyl through C10 alkyl.
Claims10
A delayed fluorescence compound of Formula 1:
- wherein n is 1 or 0, and A is selected from Formula 2, wherein D is selected from Formula 3, and each of L1 and L2 is independently selected from Formula 4:
- wherein R1 in the Formula 2 is selected from hydrogen or phenyl, and each of X, Y, and Z is independently selected from the group consisting of carbon and nitrogen, and wherein at least two selected from X, Y, and Z are nitrogen, and R2 in the Formula 4 is selected from the group consisting of hydrogen and C1 alkyl through C10 alkyl.
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 n is 1 or 0, and A is selected from Formula 2, wherein D is selected from Formula 3, and each of L1 and L2 is independently selected from Formula 4:
- wherein R1 in the Formula 2 is selected from hydrogen or phenyl, and each of X, Y, and Z is independently selected from the group consisting of carbon and nitrogen, and wherein at least two selected from X, Y, and Z are nitrogen, and R2 in the Formula 4 is selected from the group consisting of hydrogen and C1 alkyl through C10 alkyl.
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 of Formula 1;
- an encapsulation film on the organic light emitting diode;
- and
- a cover window on the encapsulation film,
- wherein n is 1 or 0, and A is selected from Formula 2, wherein D is selected from Formula 3, and each of L1 and L2 is independently selected from Formula 4:
- wherein R1 in the Formula 2 is selected from hydrogen or phenyl, and each of X, Y, and Z is independently selected from carbon and nitrogen, and wherein at least two selected from X, Y, and Z are nitrogen, and R2 in the Formula 4 is selected from the group consisting of hydrogen and C1 alkyl through C10 alkyl.
Dependencies are inferred from the claim text.