Patent ID: 11877490
Assignee: LG DISPLAY CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 14:
15. A light emitting display apparatus, comprising:
a substrate including a display area and a non-display area;
a plurality of transistors disposed on the substrate;
a plurality of sub-pixels electrically connected to the plurality of transistors, respectively, each sub-pixel comprising a light emitting element;
an encapsulation part disposed on the light emitting element; and
a color coordinate change prevention layer disposed on the encapsulation part of only a blue sub-pixel of the plurality of sub-pixels, the color coordinate change prevention layer having an opening area and a non-opening area,
wherein the blue sub-pixel includes a light emitting area, the light emitting area being located at the opening area of the color coordinate change prevention layer,
wherein the color coordinate change prevention layer is disposed only at a non-light emitting area in the blue sub-pixel among the plurality of sub-pixels, and
wherein the cut-off layer transmits only blue light.