Anti-glare rearview mirror

Abstract

The invention provides an anti-dazzle rearview mirror which comprises a power supply module, a drive control module, a brightness sensing module and a liquid crystal rearview mirror panel, wherein the liquid crystal rearview mirror panel comprises an upper basal plate, a lower basal plate opposite to the upper basal plate, and a liquid crystal layer positioned between the upper basal plate and the lower basal plate; the power supply module provides a power supply for the drive control module and the liquid crystal rearview mirror panel; the brightness sensing module is used for testing brightness of an outside light source and transmitting a brightness numerical value to the drive control module; according to the brightness numerical value transmitted from the brightness sensing module, the drive control module is used for regulating drive voltage applied to the liquid crystal layer in the liquid crystal rearview mirror panel to control deflection of liquid crystal, so that the penetration rate of the liquid crystal rearview mirror panel is controlled, and the dazzle degree of the rearview mirror is reduced by controlling the reflection brightness of the liquid crystal rearview mirror panel, and therefore, the safety when the vehicle travels under high-light exposure of the sun or travels at night is effectively improved.

Description

technical field [0001] The invention relates to the field of intelligent vehicle equipment, in particular to an anti-glare rearview mirror. Background technique [0002] The rearview mirror is one of the necessary accessories of the car, which can clearly reflect the situation behind, side and below the vehicle, so that the driver can indirectly see the situation at these positions and expand the driver's field of vision. [0003] The surface of the rearview mirror is provided with a layer of reflective film, which can play the role of specular reflection. However, in some cases, such as when the vehicle is driving under the strong sunlight, or when the vehicle is driving at night, and the rear vehicle turns on the high beam and other strong light, the mirror effect of the rearview mirror will reflect extremely strong light. Glare is generated on the film, which makes the driver unable to see the road conditions clearly and affects driving safety. [0004] Liquid crystal d...

AI Technical Summary

Problems solved by technology

However, in some cases, such as when the vehicle is driving under the strong sunlight, or when the vehicle is driving at night, and the rear vehicle turns on the high beam and other strong light, the mirror effect of the rearview mirror will reflect extremely strong light. Glare is generated on the film, which makes the driver unable to see the road conditions clearly and affects driving safety

Images