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US 11,910,707 B2Granted
Organic light-emitting device
AssigneeSamsung Display Co., Ltd.
InventorsMyeong-Suk Kim, Sung-Wook Kim, Hwan-Hee Cho, Jin-Soo Hwang, Chang-Woong Chu
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Abstract
According to one or more embodiments, an organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer. The organic layer includes a first compound represented by Formula 1 and a second compound represented by one selected from Formulae 2-1 to 2-3:
Claims4
An organic light-emitting device comprising:
- a first electrode;
- a second electrode;
- and
- an organic layer between the first electrode and the second electrode, the organic layer comprising an emission layer and a hole transport region between the emission layer and the first electrode,
- wherein the emission layer consists of one host and one or more dopants, the one host consisting of a first compound selected from Compounds A-101 to A-221 and B-101 to B-230,
- the hole transport region comprises an emission auxiliary layer on the emission layer, a hole transport layer directly on the emission auxiliary layer, and a hole injection layer on the hole transport layer,
- the emission auxiliary layer comprises a second compound selected from Compounds E-104 to E-113, E-115, E-118, E-120, E-122 to E-128, E-130, E-135, E-137 to E-157, E-159 to E-168, and E-259 to E-270:
4 more elements
An organic light-emitting device comprising:
- a substrate having a first sub-pixel region, a second sub-pixel region, and a third sub-pixel region;
- a plurality of first electrodes, one on each of the first sub-pixel region, the second sub-pixel region, and the third sub-pixel region on the substrate;
- a second electrode facing the plurality of first electrodes;
- and
- an organic layer between the first electrode and the second electrode, the organic layer comprising an emission layer and a hole transport region between the emission layer and the first electrode,
- wherein the emission layer consists of one host and one or more dopants, the one host consisting of a first compound selected from Compounds A-101 to A-221 and B-101 to B-230,
- the hole transport region comprises an emission auxiliary layer on the emission layer, a hole transport layer directly on the emission auxiliary layer, and a hole injection layer on the hole transport layer,
- the emission auxiliary layer comprises a second compound selected from Compounds E-104 to E-113, E-115, E-118, E-120, E-122 to E-128, E-130, E-135, E-137 to E-157, E-159 to E-168, and E-259 to E-270:
5 more elements
An organic light-emitting device comprising:
- a first electrode;
- a second electrode;
- and
- an organic layer between the first electrode and the second electrode, the organic layer comprising an emission layer and a hole transport region between the emission layer and the first electrode,
- wherein the emission layer consists of one host and one or more dopants, the one host consisting of a first compound selected from the group consisting of Compounds A-115, A-134, A-149, A-153, A-187, and A-213,
- the hole transport region comprises an emission auxiliary layer on the emission layer, a hole transport layer directly on the emission auxiliary layer, and a hole injection layer on the hole transport layer, and
- the emission auxiliary layer comprises a second compound selected from the group consisting of Compounds E-107, E-115, and E-154,
4 more elements
Dependencies are inferred from the claim text.