Achieving a UGR<19 compliant luminaire with a premium opal light effect requires the right combination of optical materials. In most high-quality LED panels, this effect is created by pairing a translucent or semi-opal optical film with a solid prismatic diffuser sheet. The clear prismatic sheet plays a critical role in beam angle control, helping reduce glare and maintain high luminous efficiency. Meanwhile, the optical diffusion film conceals visible […]
