Patent ID: 11930652
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: nan (nan)
Classification: CPC H | IPC H

Claim 20:
21. A display apparatus, comprising:
a substrate including a plurality of pixel areas;
a first electrode on the substrate;
a second electrode on the first electrode;
a plurality of main light emitting layers between the first electrode and the second electrode; and
a plurality of sub light emitting layers on the plurality of main light emitting layers, respectively,
wherein the plurality of main light emitting layers comprises a material to emit a first light having a first wavelength,
wherein a first one of the plurality of sub light emitting layers comprises a material to absorb a portion of the first light and to emit a second light having a second wavelength different from the first wavelength, and
wherein a second one of the plurality of sub light emitting layers comprises a material to absorb a portion of the first light and to emit a third light having a third wavelength different from the first wavelength and the second wavelength.