Patent ID: 11927878
Assignee: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  B  H | IPC B  G  H

Claim 14:
15. A method for manufacturing a projection screen, comprising:
forming a first nanoparticle layer, wherein the first nanoparticle layer comprises a plurality of dispersed nanoparticles of different particle sizes; and
forming the projection screen by sequentially laminating the first nanoparticle layer and a first transparent cover plate on one side of a transparent touch panel; and
wherein the projection screen further comprises a second transparent cover plate and a second nanoparticle layer, the second nanoparticle layer and the second transparent cover plate are sequentially laminated on the other side of the transparent touch panel, and the second nanoparticle layer comprises a plurality of dispersed nanoparticles of different particle sizes.