Led tunnel light implementation of the standard is gb how much
The formation of glare is due to the field of view there is a high brightness or brightness contrast exists, leaving the visual function or make the eyes feel uncomfortable.
If the brightness difference in the field of view is too large, the bright part will form a glare source, and bright and dark changes will bring a certain strobe effect
Good visual function not only requires a better average brightness, but also requires the average brightness on the road and the minimum brightness can not be between the difference is too large
If there is no appropriate transition, it will produce a black hole phenomenon, so that the driver temporarily lost normal visual function, which will bring some security risks
Because the brightness of the daytime tunnel is much higher than that in the tunnel, when the driver enters the tunnel by the driver
