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US 2014/0151649 A1Published application
Phosphorescent compound and organic light emitting diode device using the same
AssigneeLG Display Co., Ltd.
InventorsJung-Keun KIM, In-Bum SONG, Bo-Min SEO, Jae-Hyung YU
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Abstract
The present invention provides a phosphorescent compound of following formula: wherein each of X1 and X2 is independently selected from substituted or non-substituted carboline, dibenzofuran, dibenzothiophene and fluorene.
Claims5
A phosphorescent compound of following formula:
- wherein each of X1 and X2 is independently selected from substituted or non-substituted carboline, dibenzofuran, dibenzothiophene and fluorene.
An organic light emitting diode device, comprising:
- a first electrode;
- a second electrode facing the first electrode;
- an emitting material layer between the first and second electrodes;
- a hole transporting layer between the first electrode and the emitting material layer;
- and
- an electron transporting layer between the second electrode and the emitting material layer,
- wherein at least one of the emitting material layer and the electron transporting layer includes a phosphorescent compound of following formula, and each of X1 and X2 is independently selected from substituted or non-substituted carboline, dibenzofuran, dibenzothiophene and fluorene:
4 more elements
Dependencies are inferred from the claim text.