Alumina For Led Phosphor

High-purity alumina is the main material for the production of LED phosphors. The high-purity alumina produced by our company has high purity, large output, good dispersion, concentrated particle size distribution, excellent crystal morphology, and stable physical and chemical indicators. The resulting LED phosphor has high brightness, narrow particle size distribution and good crystal morphology.

The luminous brightness and quality of LED phosphors are directly affected by the purity, particle size, particle size distribution, crystal form, and morphology of alumina. 

The role of high-purity alumina on phosphors:

1. Reflect the ultraviolet light that passes through the phosphor layer to continue to excite the phosphor and improve the luminous efficiency of the fluorescent lamp;

2. As a barrier to the diffusion of mercury, it can reduce the amount of mercury to a minimum and extend the life of the lamp;

3. As a binder, it can improve the bonding strength between the phosphor and the glass tube, so that the phosphor does not fall off.