Patent ID: 11871616
Assignee: LG DISPLAY CO., LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 5:
6. The organic light emitting display device of claim 2, wherein the first active layer of the first thin film transistor is on the first buffer layer,
the first gate insulating layer is on the first active layer and the first buffer layer,
the first gate electrode of the first thin film transistor and the first capacitor electrode of the storage capacitor are on the first gate insulating layer,
the first interlayer insulating layer is on the first gate electrode and the first capacitor electrode,
the second capacitor electrode of the storage capacitor overlapping the first capacitor electrode and the light blocking layer overlapping the second active layer are on the first interlayer insulating layer,
the second buffer layer is on the second capacitor electrode, the light blocking layer, and the first interlayer insulating layer,
the second active layer of the second thin film transistor is on the second buffer layer,
the second gate insulating layer is on the second active layer,
the second gate electrode of the second thin film transistor is on the second gate insulating layer,
the organic light emitting display device further comprises a second interlayer insulating layer on the second gate electrode, the second active layer, and the second buffer layer, and
the first source electrode and the first drain electrode of the first thin film transistor, and the second source electrode and the second drain electrode of the second thin film transistor are on the second interlayer insulating layer.