Cyclometalated transition metal complex and organic electroluminescent display device using the same
AssigneeSamsung Mobile Display Co., Ltd.
InventorsDas Ragini, Seok Chang, Yi-Yeol Lyu, Eun-Sil Han, Young-Hun Byun, Lyong-Sun Pu, Jong-Hyoup Lee
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Abstract
A cyclometalated transition metal complex exhibiting phosphorescence with high efficiency and an organic electroluminescent display device using the same are provided. This transition metal complex can be used in forming an organic film of an organic electroluminescent display device. The transition metal complex can emit light at the wavelength range of 400 to 650 nm. Further, the complex can emit white light by using a green light emitting material or a red light emitting material together.
Claims20
A transition metal complex represented by Formula I:
- wherein
- M is a transition metal;
- each of R1, R2, R3 and R4 is a substituent or a hydrogen atom;
- X is N or C;
- each of CY1 and CY2 is an aromatic ring or an aliphatic ring, and
- n1 is 1 or 2.
An organic electroluminescent display device, comprising:
- a pair of electrodes;
- and
- an organic film between the pair of electrodes, the organic film comprising a transition metal complex represented by Formula I:
- wherein
- M is a transition metal;
- each of R1, R2, R3 and R4 is a substituent or a hydrogen atom;
- X is N or C;
- each of CY1 and CY2 is an aromatic ring or an aliphatic ring, and
- n1 is 1 or 2.
An organic electroluminescent display device, comprising:
- a pair of electrodes;
- and
- an organic film between the pair of electrodes, the organic film comprising a transition metal complex having a transition metal and a pyrazolecarboxamide ligand connected to the transition metal.
The organic electroluminescent display device, wherein the transition metal complex is represented by Formula I:
- wherein
- M is Ru, Rh, Os, Ir, Pt or Au;
- each of R1, R2, R3 and R4 is a substituent or a hydrogen atom;
- X is N or C;
- each of CY1 and CY2 is an aromatic ring or an aliphatic ring, and
- n1 is 1 or 2.
Dependencies are inferred from the claim text.