Stereoscopic grating materials for three-dimensional grating paintings

Slit grating is a relatively mature grating. Because it is relatively simple to make slit gratings and the technology is not difficult, so ten years ago there were slit three-dimensional light box advertisements or three-dimensional light box decorative paintings. Now we have three-dimensional Some people in the same industry are also using it and displaying it as a sample. The effect is also very good, but its shortcomings are also very obvious. 1. The light transmittance is relatively low, only 20%-30%, and you need to turn on the light before you can see it. to the picture, so it is not environmentally friendly and energy-saving. 2. Post-production costs are high and processing is difficult. Currently, in order to attract customers, many three-dimensional colleagues buy slit samples for display and do not process them themselves! Therefore, the popularity rate of slit grating is not too high. Lenticular gratings can be used both indoors and outdoors. They have a wide range of uses and great potential. Therefore, lenticular gratings have an increasing share in the market. From the perspective of post-processing, cylindrical gratings can be divided into film gratings, plate gratings, and sheet gratings. Membrane material gratings require a certain thickness of medium (such as transparent materials such as glass or organic plates) to be imaged, so the processing of traditional film materials is relatively troublesome. Due to limitations of traditional processing techniques and raw materials, there are not many truly qualified membrane materials! The advantage of plate grating is that it is easy to process and facilitate batch processing, but the disadvantage is that the cost is too high. However, as the number of users increases, the price of plate will become lower and lower, so plate grating will be the mainstream direction of making grating products. Sheet grating is mainly used for printing, and the printing effect is relatively poor. Cylindrical gratings can be divided into three-dimensional gratings and variable gratings in terms of function. The ratio of the thickness of the three-dimensional grating to the grating pitch is relatively large, and the visual distortion angle is generally relatively small. When using a three-dimensional grating to create a variable picture, it often results in incomplete shadow elimination and residual images (but the residual image is not necessarily caused by the grating. Drawing technology, raster proofreading, post-production, etc. are also the main reasons for residual images). The ratio of the thickness of the variable-painting grating to the grating pitch is small, and the visual distortion angle is generally larger. Using the variable-painting grating to produce three-dimensional pictures will give a three-dimensional effect. Not strong.