A car intelligent tail light based on dlp projection technology

Abstract

The invention discloses an intelligent automobile tail lamp based on the DLP projection technology, and belongs to the field of automobile signal devices. A mounting support is arranged, a DLP projection system and a projection lens are fixedly connected into a whole, light rays projected by the DLP projection system are refracted through the lens and then penetrate an outer matched mirror, and bright dipping of the automobile tail lamp is formed; the DLP projection system at least comprises a light source, a color wheel, a trimming lens, a DMD lens and a DLP circuit board; through adjustment of the DMD lens of the DLP projection system, the dynamic changeable automobile tail lamp light pattern can be achieved; through adjustment of the color wheel in the DLP projection system, colors of the light rays projected by the DLP projection system are changed, the colors of the light rays projected by the automobile tail lamp can be controlled, and therefore switching of different functions of the tail lamp can be achieved. The DLP projection technology and the automobile tail lamp are effectively combined, the invariable light pattern effect of the automobile tail lamp can be changed, and any switching of different colors and different light patterns can be achieved; the lamp can be widely used for the field of design and manufacturing of automobile tail lamps.

Description

technical field [0001] The invention belongs to the field of vehicle lighting or signal devices, in particular to a signal device for taillights of automobiles. Background technique [0002] DLP (Digital Light Processing, Digital Light Processing) is a revolutionary new method of projecting and displaying information, designed and developed by TI Corporation of the United States. Through a highly reflective DMD (Digital Micromirror Device, digital micromirror) lens (also known as a chip, the same below), it can project a picture composed of three primary colors (RGB). [0003] Compared with traditional projectors using LCD as light source, this technology shows great advantages in terms of lumens, image resolution and high contrast. A DLP-based projection system includes memory and signal processing to support an all-digital approach. [0004] Other elements of a DLP projector typically include a light source, a color filtering system, a cooling system, lighting and projec...

AI Technical Summary

Problems solved by technology

[0008] However, once the structure of the reflective surface / light concentrator is determined in the taillight of the car using this working mode, the light pattern of the taillight is also determined, and the light pattern of the light emission cannot be changed.

[0009] In addition, since the color of the light emitted by the existing light source (bulb or LED) is fixed, the taillight of the automobile using the above working mode cannot change the color of the light projected by the taillight of the automobile. Therefore, if the existing taillight of the automobile needs to When sending out light signals of different colors, it is necessary to set at least two light sources with different light colors to meet the needs of different light colors

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