Patent ID: 9543545
Date: 2017-01-10
CPC Classifications: G02B,H01L

Claim:
1. A display substrate, comprising display units of at least two different colors, characterized in that, a first display unit of the display units corresponds to one of the at least two different colors, a second display unit of the display units corresponds to the other one of the at least two different colors and the first display unit is different from the second display unit, the display substrate further comprises bragg reflection units located in different regions corresponding to respective display units, each of the bragg reflection units comprises a first structural layer and a second structural layer which are alternately stacked with each other and have different refractive indexes, and each of the bragg reflection units is configured according to the color of a corresponding display unit so that a bragg reflection unit corresponding to the first display units and a bragg reflection unit corresponding to the second display unit have different thicknesses, wherein, in each bragg reflection unit, thickness of the first structural layer is ¼n