Patent ID: 11860476
Assignee: ENTIRE TECHNOLOGY CO., LTD.
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 13:
14. The backlight module of claim 9, wherein, the light-emitting elements are Mini LEDs; a material of the diffusion plate includes at least one of the following: polycarbonate (PC), polystyrene (PS), polymethyl methacrylate (PMMA, commonly known as acrylic), polypropylene (PP), or a Copolymer of any aforementioned material;
wherein, the diffusion plate is a multi-layer structure composed of at least two layers of different materials by coextrusion process; a plurality of diffusion particles are contained in the diffusion plate; a material of the diffusion particles includes one of the following: silicon dioxide (SiO2), titanium dioxide (TiO2), polymethylmethacrylate (PMMA), polystyrene (PS), polycarbonate (PC), polypropylene (PP), or copolymer of the aforementioned materials; a particle diameter of the diffusion particles ranges from 0.5 to 10 μm, and a weight percentage of concentration of the diffusion particles ranges from 1 to 10% wt.