Back to results
US 12,721,037 B2Granted
Organic electroluminescence device and polycyclic compound for organic electroluminescence device
AssigneeSamsung Display Co., Ltd.
InventorTakuya Uno
Life of this patent
Estimating the term…
Abstract
An organic electroluminescence device includes a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region, wherein the hole transport region includes a polycyclic compound represented by Formula 1, and the device shows high emission efficiency:
Claims11
An organic electroluminescence device, comprising:
- a first electrode;
- a hole transport region on the first electrode;
- an emission layer on the hole transport region;
- an electron transport region on the emission layer;
- and
- a second electrode on the electron transport region,
- wherein the hole transport region comprises a polycyclic compound represented by Formula 1:
- wherein in Formula 1,
- X is O or S,
- any one among A1 to A10 is represented by Formula 2-2, and the remainder of A1 to A10 are each independently a hydrogen atom, a deuterium atom, a halogen atom, a substituted or unsubstituted alkyl group of 1 to 20 carbon atoms, or a substituted or unsubstituted aryl group of 6 to 30 carbon atoms for forming a ring:
- wherein in Formula 2-2,
- L1 and L2, are each independently a direct linkage, a substituted or unsubstituted arylene group of 6 to 30 carbon atoms for forming a ring, or a substituted or unsubstituted heteroarylene group of 2 to 30 carbon atoms for forming a ring,
- “m” and “n” are each independently an integer of 0 to 2, and
- Ar1-2 and Ar2-2 are each independently a substituted or unsubstituted aryl group of 10 to 40 carbon atoms for forming a ring or are represented by Formula 3-3 or Formula 3-4, where at least one among Ar1-2 and Ar2-2 is represented by Formula 3-3 or Formula 3-4:
- and
- wherein in Formula 3-3 and Formula 3-4,
- Y and Z are each independently a direct linkage, O, or S, where a case in which both Y and Z are direct linkages is excluded,
- R6 to R9 are each independently a hydrogen atom, a deuterium atom, a halogen atom, a substituted or unsubstituted alkyl group of 1 to 20 carbon atoms, a substituted or unsubstituted aryl group of 6 to 30 carbon atoms for forming a ring, or a substituted or unsubstituted heteroaryl group of 2 to 30 carbon atoms for forming a ring,
- “f” is an integer of 0 to 3,
- “g” to “i” are each independently an integer of 0 to 4, and
- Ar3 to Ar5 are each independently a substituted or unsubstituted aryl group of 6 to 30 carbon atoms for forming a ring.
18 more elements
A polycyclic compound represented by Formula 1:
- wherein in Formula 1,
- X is O or S,
- any one among A1 to A10 is represented by Formula 2-2, and the remainder of A1 to A10 are each independently a hydrogen atom, a deuterium atom, a halogen atom, a substituted or unsubstituted alkyl group of 1 to 20 carbon atoms, or a substituted or unsubstituted aryl group of 6 to 30 carbon atoms for forming a ring:
- wherein in Formula 2-2,
- L1 and L2, are each independently a direct linkage, a substituted or unsubstituted arylene group of 6 to 30 carbon atoms for forming a ring, or a substituted or unsubstituted heteroarylene group of 2 to 30 carbon atoms for forming a ring,
- “m” and “n” are each independently an integer of 0 to 2, and
- Ar1-2 and Ar2-2 are each independently a substituted or unsubstituted aryl group of 10 to 40 carbon atoms for forming a ring or are represented by Formula 3-3 or Formula 3-4, where at least one among Ar1-2 and Ar2-2 is represented by Formula 3-3 or Formula 3-4:
- wherein in Formula 3-3 and Formula 3-4,
- Y and Z are each independently a direct linkage, O, or S, where a case in which both Y and Z are direct linkages is excluded,
- R6 to R9 are each independently a hydrogen atom, a deuterium atom, a halogen atom, a substituted or unsubstituted alkyl group of 1 to 20 carbon atoms, a substituted or unsubstituted aryl group of 6 to 30 carbon atoms for forming a ring, or a substituted or unsubstituted heteroaryl group of 2 to 30 carbon atoms for forming a ring,
- “f” is an integer of 0 to 3,
- “g” to “i” are each independently an integer of 0 to 4, and
- Ar3 to Ar5 are each independently a substituted or unsubstituted aryl group of 6 to 30 carbon atoms for forming a ring.
10 more elements
Dependencies are inferred from the claim text.