Organic light-emitting device
AssigneeSamsung Display Co., Ltd.
InventorsEungdo KIM, Dongchan KIM, Wonjong KIM, Dongkyu SEO, Dahea IM, Sanghoon YIM, Yoonhyeung CHO, Changwoong CHU
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Abstract
Provided is an organic light-emitting device including a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode and including an emission layer, the organic layer including a low work function metal compound.
Claims20
An organic light-emitting device, comprising:
- a first electrode;
- a second electrode facing the first electrode;
- and
- an organic layer between the first electrode and the second electrode and including an emission layer, the organic layer including an electron injection layer and a layer including a low work function metal compound, the low work function metal compound including a halide of a lanthanide metal.
The organic light-emitting device as claimed in claim 13, wherein the low work function metal compound includes a halide of an alkali metal.
The organic light-emitting device as claimed in claim 13, wherein the low work function metal compound includes a halide of an alkaline earth metal.
The organic light-emitting device as claimed in claim 13, wherein the low work function metal compound includes a halide of a lanthanide metal.
The organic light-emitting device as claimed in claim 13, wherein the low work function metal compound includes a halide of Li, Na, K, Rb, Cs, Be, Mg, Ca, Sr, Ba, Yb, or Sm.
The organic light-emitting device as claimed in claim 13, wherein the low work function metal compound includes LiF, NaF, KF, RbF, CsF, BeF2, MgF2, CaF2, SrF2, BaF2, YbF, YbF2, YbF3, or SmF3.
An organic light-emitting device, comprising:
- a first electrode;
- a second electrode facing the first electrode;
- and
- an organic layer between the first electrode and the second electrode and including an emission layer, the organic layer including a low work function metal compound,
- wherein the low work function metal compound includes:
- LiCl, NaCl, KCl, RbCl, CsCl, BeCl2, MgCl2, CaCl2, SrCl2, BaCl2, YbCl, YbCl2, YbCl3, SmCl3,
- LiBr, NaBr, KBr, RbBr, CsBr, BeBr2, MgBr2, CaBr2, SrBr2, BaBr2, YbBr, YbBr2, YbBr3, SmBr3,
- LiI, NaI, KI, RbI, CsI, BeI2, MgI2, CaI2, SrI2, BaI2, YbI, YbI2, YbI3, or SmI3.
An organic light-emitting device, comprising:
- a first electrode;
- a second electrode facing the first electrode;
- and
- an organic layer between the first electrode and the second electrode and including an emission layer, the organic layer including a layer that consists of a low work function metal compound.
Dependencies are inferred from the claim text.