Patent ID: 11953779
Assignee: BOE TECHNOLOGY GROUP CO., LTD.
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 5:
6. The backlight module according to claim 5, wherein each light control region group further comprises a fourth light control region, and an orthographic projection of the fourth light control region of each light control region group on the first substrate encloses the orthographic projection of the third light control region of the light control region group on the first substrate;
wherein each light control substructure group further comprises a fourth light control substructure, and the fourth light control substructure is located in the fourth light control region;
wherein the fourth light control substructure further comprises a plurality of light transmitting portions and a plurality of light reflecting portions, a proportion of the light transmitting portions in the fourth light control substructure, the proportion of the light transmitting portions in the third light control substructure, the proportion of the light transmitting portions in the second light control substructure and the proportion of the light transmitting portions in the first light control substructure are all different from each other.