Automotive headlight lighting system and automotive based on amplitude and phase modulation

Abstract

The invention provides an automobile illumination system based on amplitude and phase modulation and an automobile. The automobile illumination system comprises an illumination light source generator,a light beam shaping system, a spatial light modulator, a spatial light modulation control system and a diffractive optical element. The illumination light source generator is used for generating illumination light beams. The light beam shaping system is used for shaping the illumination light beams into divergence light beams. The spatial modulator is used for modulating the amplitude of the illumination light beams. The diffractive optical element is used for modulating the phase of the illumination light beams. The spatial light modulation control system is used for controlling the spatiallight modulator. The illumination light beams generated by the illumination light source generator sequentially pass the spatial light modulator and the diffractive optical element. The light beam shaping system is arranged between a light path between the illumination light source generator and the diffractive optical element. The automobile comprises the automobile illumination system. By the adoption of the automobile illumination system and the automobile, projection of different light patterns can be achieved.

Description

technical field [0001] The present invention relates to an optical lighting system, in particular to an automotive lighting system based on amplitude and phase modulation and a car including the lighting system. Background technique [0002] Automobile headlight lighting is an important guarantee for driving safety at night. In the technology of automobile headlight lighting, smart car lights have become a development trend. Traditional car headlights, one headlight can only project a fixed-shaped lighting light field. It is necessary to separate high beam and low beam to realize high beam and low beam respectively. High beam and low beam require two systems. cause waste of resources. [0003] Moreover, traditional automotive headlights need to design two different free-form lenses or reflectors. Although the current technical design of free-form lenses and reflectors is relatively mature, their design costs are high, the design freedom is low, and it is not easy to install...

AI Technical Summary

Problems solved by technology

Traditional car headlights, one headlight can only project a fixed-shaped lighting light field. It is necessary to separate high beam and low beam to realize high beam and low beam respectively. High beam and low beam require two systems. cause waste of resources

[0003] Moreover, traditional automotive headlights need to design two different free-form lenses or reflectors. Although the current technical design of free-form lenses and reflectors is relatively mature, their design costs are high, the design freedom is low, and it is not easy to install. The problem of slow mass production is still obvious

[0004] Traditional car headlights cannot realize the projection of some fancy patterns, and cannot meet the needs of some consumers who have psychological expectations in this regard

Images