Patent ID: 11921415
Assignee: APPOTRONICS CORPORATION LIMITED
Field: Basic materials chemistry (Chemistry)
Classification: CPC C  G | IPC C  G

Claim 0:
1. An optical coating for a projection screen, comprising following components in parts by weight:, a light-absorbing material
2 to 15
parts by weight;

an aluminum-silver powder
5 to 20
parts by weight;

an acrylate oligomer
20 to 60
parts by weight;

a diluent
10 to 45
parts by weight;

a photoinitiator
0.5 to 15
parts by weight;

an auxiliary agent
0.1 to 6
parts by weight; and

a dispersant
0.2 to 5
parts by weight,

wherein the light-absorbing material is one or more of carbon black, lampblack, iron oxide black, or aniline black, and has an average particle size of 20 nm to 2000 nm, and wherein the aluminum-silver powder is flake-shaped and has an average particle size of 3 μm to 10 μm, and
wherein the dispersant is one or more of polyol, stearic acid, or phosphate.