CN214619378U - Holographic automobile tail lamp device with three-dimensional image display function - Google Patents

Abstract

A holographic automobile tail lamp device with a three-dimensional image display function relates to an automobile tail lamp device. The automobile tail lamp is sequentially provided with a light ray generating unit, a light ray processing unit, a holographic display element and an automobile tail lamp shade; the light generating unit is a laser diode which generates laser with the wavelength of 650 nm; the light processing unit sequentially comprises a beam expander and a collimating lens; the holographic display element is of a three-layer structure and sequentially comprises a surface protection layer, a middle photosensitive polymer layer and a substrate layer; the automobile tail lamp shade is a transparent plastic shade made of high-light-transmittance PC materials. The light generating unit emits laser with high temporal coherence and spatial coherence, the light enters the beam expanding lens to form beam expanding light, and the beam expanding light forms a beam of parallel light after passing through the collimating lens. The parallel light beams are irradiated on the holographic display element recorded with the three-dimensional image information to generate light diffraction, and the holographic display of the original three-dimensional image is formed behind the automobile tail lamp shade. The holographic automobile tail lamp with the three-dimensional image display is more attractive and real.

Description

Holographic automobile tail lamp device with three-dimensional image display function

Technical Field

The utility model relates to an automobile tail lamp device especially relates to a holographic automobile tail lamp device with three-dimensional image display function.

Background

With the continuous progress of science and technology, the requirements of people on the quality of life are continuously improved. As an important vehicle, the automobile has long been inseparable in relation to the life of people. The requirements of people on automobiles are continuously improved, and people pay attention to the appearance of the automobiles while meeting the rigid requirements of performance, space and the like. Therefore, the holographic car light capable of projecting the three-dimensional stereo image meets the requirements of people on the appearance of the car and has strong modern technological sense. People can display automobile marks or some favorite three-dimensional patterns through the holographic projection automobile lamp. Most of the existing car lights are in two-dimensional image display, the number of car lights in three-dimensional image display is small, and most of image recording elements in three-dimensional image display are obtained by one-step holographic recording. This is unacceptable for people seeking better car appearance, more realistic projection experience, and sharper image requirements. And holographic automobile tail lamp device with three-dimensional image display can obtain higher diffraction efficiency, aberration little, gives other people more real more three-dimensional impression. And the added one-time holographic recording procedure is simpler, and has no special requirement on preparation materials and does not need additional equipment and special elements.

At present, the automobile tail lamp shows that the overwhelming majority uses two-dimensional image to be leading, and is bright to relate to three-dimensional image, this application the utility model discloses this blank has been filled to the device to used holographic display element compares with single holographic record piece and has higher diffraction efficiency, advantage that the aberration is little.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at extends the design of automobile tail lamp three-dimensional image display, provides a holographic automobile tail lamp device with three-dimensional image display function.

The utility model is provided with a light generating unit, a light processing unit, a holographic display element and a lampshade of an automobile tail lamp in sequence;

the light generating unit is a laser diode (laser diode) which generates laser with the wavelength of 650 nm;

the light processing unit sequentially comprises a beam expander and a collimating lens;

the holographic display element is of a three-layer structure and sequentially comprises a surface protection layer, a middle photosensitive polymer layer and a base material layer;

the automobile tail lamp shade is a transparent plastic shade made of high-light-transmittance PC materials.

During the use, light generating unit sends the laser that has high temporal coherence and spatial coherence, and light gets into beam expanding lens and forms beam expanding light, and beam expanding light forms a bundle of parallel light behind the collimating lens. The parallel light beams are irradiated on the holographic display element recorded with the three-dimensional image information to generate light diffraction, and the holographic display of the original three-dimensional image is formed behind the automobile tail lamp shade.

Compared with the existing two-dimensional image display automobile tail lamp, the three-dimensional image display holographic automobile tail lamp prepared by the device is more attractive and real, and has more aesthetic appreciation value. Compared with the traditional holographic recording sheet, the holographic recording sheet has the advantages of higher diffraction efficiency, small aberration and the like, and the added one-time holographic recording process is simpler, so that the holographic recording sheet has no special requirements on preparation materials and does not need additional equipment and special elements.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.

Fig. 2 is a schematic structural diagram of embodiment 2 of the present invention.

Detailed Description

The following examples are further described with reference to the accompanying drawings. According to the characteristics that holographic recording reappeared, the embodiment of the utility model provides a holographic automobile tail lamp device that has three-dimensional image display function of two kinds of different configurations is provided.

Example 1

As shown in fig. 1, the transmission type holographic automobile tail lamp device of the present embodiment is provided with a light generating unit 1, a light processing unit 2, a holographic display element 3, and an automobile tail lamp cover 4 vertically in this order. Light generating unit 1 sends light, light processing unit includes beam expander lens and collimating lens in proper order, and light processing unit 2 expands beam and collimation with light, and light after the processing forms the light of reappearing to the holographic display element 3 of light processing unit 2 rear and the diffraction effect of taking place, and the light of reappearing shows three-dimensional image after 4 lamp covers of automobile tail lamp, 4 rear lamp covers of automobile tail.

Example 2

As shown in fig. 2, the present embodiment is a reflection type holographic automobile tail lamp device; similar to embodiment 1, the difference is that the holographic display element 3 is a reflective hologram, and the included angle between the light source 1, the light processing unit 2, the holographic display element 3 and the cover 4 of the automobile tail lamp is 60 °.

The five-star images in fig. 1 and 2 are three-dimensional image examples.

Claims (1)

1. A holographic automobile tail lamp device with a three-dimensional image display function is characterized in that a light ray generating unit, a light ray processing unit, a holographic display element and an automobile tail lamp lampshade are sequentially arranged;

the light generating unit is a laser diode which generates laser with the wavelength of 650 nm;

the light processing unit sequentially comprises a beam expander and a collimating lens;

the holographic display element is of a three-layer structure and sequentially comprises a surface protection layer, a middle photosensitive polymer layer and a base material layer;

the automobile tail lamp shade is a transparent plastic shade made of high-light-transmittance PC materials.

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