Panel light diffuser is refers to the light in the forward process to penetrate the scattering phenomenon caused by the other medium so, as long as two different medium light from A to B will cause caused by the refractive index or interfere with material blocking light transmission or reflection or absorption, penetrating part is dispersion is the so-called light diffusion, it exists three physical phenomena.
 

Panel light guide plate is the use of optical grade acrylic /PC board, and then with a very high reflectivity and no light absorption of high-tech materials, in the optical grade acrylic plate bottom with UV screen printing technology printed on the guide point. Use optical grade acrylic plate to absorb the light from the lamp to stay on the surface of optical grade acrylic plate, when the light ray to each guide point, reflected light will diffuse to all angles, and then destroy the reflection condition from the guide plate front shot. Through a variety of density, different sizes of light guide points, can make the light guide plate uniform luminescence. The purpose of reflector is to reflect the light exposed at the bottom back into the light guide plate to improve the efficiency of light use. Functional differences:

The main functions of the diffusion plate are:

1. Scatter the light flux so that the light is evenly distributed (in addition to homogenizing the light, some composite diffusion plates can also control the exit Angle)

2. Support the backlight structure to protect the optical materials below

The main functions of the light guide plate are:

1. The light flux of the point light source of LED panel lamp is evenly distributed in the whole surface, and its key role is to guide the light distribution.

2. Use reflection mechanism to make more efficient use of light flux and control light distribution.

Differences in application fields:

1. Acrylic light guide plate is suitable for LED lighting of straight downward light source, such as grille lamp and high-grade aluminum lamp.

2. PC diffuser board is suitable for side light source LED lighting lamps, such as flat light, professional viewing light, and usually used with light guide board

3. PS diffusion plate is mainly used for some low-level ordinary LED lights.