Light-emitting device and electronic apparatus including same
AssigneeSamsung Display Co., Ltd.
InventorsNamsu KANG, Minho PARK, Minkyung KIM, Huiju PARK, Dongkyu LEE, Jongwon LEE, Hyunshik LEE
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Abstract
Provided is a light-emitting device including: a first electrode; a second electrode facing the first electrode; and an interlayer between the first electrode and the second electrode and including an emission layer, wherein the interlayer includes a hole injection layer and an electron transport layer, the hole injection layer includes a first electron transport compound, and a hole mobility (MH) and electron mobility (ME) of the first electron transport compound satisfy following Equation (1): Equation (1) MH≤ME×0.95 (1).
Claims20
A light-emitting device comprising:
- a first electrode;
- a second electrode facing the first electrode;
- and
- an interlayer between the first electrode and the second electrode and including an emission layer,
- wherein the interlayer comprises a hole injection layer and an electron transport layer,
- the hole injection layer comprises a first electron transport compound, and
- a hole mobility (MH) and electron mobility (ME) of the first electron transport compound satisfy Equation (1):
- MH≤ME×0.95. Equation (1)
Dependencies are inferred from the claim text.