Patent ID: 11910688
Assignee: BOE TECHNOLOGY GROUP CO., LTD.
Field: nan (nan)
Classification: CPC H | IPC H

Claim 6:
7. The organic light emitting diode display substrate according to claim 6,
wherein the second band gap layer is on a planarization layer on the second color conversion unit and the third color conversion unit, and comprises a second band gap unit and a third band gap unit,
wherein the second band gap unit corresponds to a position of the second color conversion unit, and is configured to transmit the light of the second color in the light exit direction and reflect the light of the first color in the direction opposite to the light exit direction, and
wherein the third band gap unit corresponds to a position of the third color conversion unit, and is configured to transmit the light of the third color in the light exit direction and reflect the light of the first color in the direction opposite to the light exit direction.