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US 11,637,255 B2Granted
Organic light emitting diode, lighting device and organic light emitting display device
AssigneeLG Display Co., Ltd.
InventorsTae-Ryang Hong, Hyong-Jong Choi, Jun-Yun Kim
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Abstract
An embodiment of the present disclosure provides an organic light emitting diode comprising a first electrode; a second electrode facing the first electrode; and a first emitting material layer including a first delayed fluorescent dopant and a first phosphorescent dopant and disposed between the first and second electrodes, wherein a percentage by weight of the first phosphorescent dopant with respect to the first delayed fluorescent dopant is equal to or less than 5.
Claims19
An organic light emitting diode, comprising:
- a first electrode;
- a second electrode facing the first electrode;
- and
- a first emitting material layer disposed between the first and second electrodes and includes a host, a first delayed fluorescent dopant and a first phosphorescent dopant,
- wherein a percentage by weight of the first phosphorescent dopant with respect to the first delayed fluorescent dopant is equal to or less than 5.
2 more elements
An organic light emitting display device, comprising:
- a substrate;
- an organic light emitting diode on or over the substrate and including:
- a first electrode;
- a second electrode facing the first electrode;
- and
- a first emitting material layer disposed between the first and second electrodes and includes a host, a first delayed fluorescent dopant and a first phosphorescent dopant;
- and
- a thin film transistor disposed between the substrate and the organic light emitting diode and connected to the organic light emitting diode,
- wherein a percentage by weight of the first phosphorescent dopant with respect to the first delayed fluorescent dopant is equal to or less than 5.
6 more elements
A lighting device, comprising:
- a substrate;
- and
- an organic light emitting diode on or over the substrate and including:
- a first electrode;
- a second electrode facing the first electrode;
- and
- a first emitting material layer disposed between the first and second electrodes and includes a host, a first delayed fluorescent dopant and a first phosphorescent dopant,
- wherein a percentage by weight of the first phosphorescent dopant with respect to the first delayed fluorescent dopant is equal to or less than 5.
5 more elements
Dependencies are inferred from the claim text.