The Diffuser Sheet for UGR <19 Solution is mainly used for diffusers on some lamps. The human eye's perception of light is a reference value, so the UGR of the light diffuser used by the lamp has a reference value. For comfort, UGR is required to be less than 19. Diffuser Sheet for UGR <19 Solution First explain what UGR means. UGR is a psychological parameter used to measure the subjective response of the human eye to the discomfort caused by the light emitted by the lighting device in the indoor visual environment. UGR19 is the psychological output of the subjective response caused by the light emitted by the lighting device in the indoor visual environment to the human eye. This is a standard based on certain summary equipment. The UGR19 light diffusion plate requires the UGR of the light diffusion plate to be less than 19 . The UGR in the diffuser sheet for URG <19 is a uniform glare value. It is used to judge the human eye's perception of light a...