Patent ID: 11950501
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  C  Y | IPC C  H

Claim 9:
10. The organic light emitting device of claim 6, wherein the emission layer comprises the red emission region, the blue emission region and the green emission region;
the hole injection layer comprises the first region formed under the red emission region, the second region formed under the green emission region and the third region formed under the blue emission region; and
the thickness of the first region is in the range of 1,600 to 2,200 Å, the thickness of the second region is in the range of 1,400 to 1,800 Å, and the thickness of the third region is in the range of 1,000 to 1,400 Å.