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How to do naked-eye 3d effect?
A series of 90-degree vertical stripes are formed by using the switch LCD screen, polarizing film and polymer liquid crystal layer, so as to achieve stereoscopic 3D effect in front vision.

The computer screen is flat and two-dimensional. The reason why we can enjoy the real three-dimensional image is that the different colors and gray levels displayed on the computer screen make the human eye have an optical illusion and perceive the two-dimensional computer screen as a three-dimensional image.

For example, the 3d text to be drawn, that is, the high-brightness color is displayed in the original position, and the outline is outlined in the lower left or upper right position with low-brightness color, which will visually produce the effect of 3d text. In the concrete implementation, two 2d characters with different colors can be drawn in different positions with exactly the same font. As long as the coordinates of two characters are appropriate, 3d characters with different effects can be produced visually.

special technology

The computer screen is flat and two-dimensional. The reason why we can enjoy the real three-dimensional image is that the difference in color and gray level when displaying on the computer screen makes the human eye have a visual illusion and perceive the two-dimensional computer screen as a three-dimensional image. Based on the knowledge of chromatics, the protruding part of the edge of three-dimensional objects usually shows high brightness color.

The recessed part is dark because it is blocked by light. This understanding is widely used to draw buttons and 3d lines in web pages or other applications. For example, the 3d text to be drawn, that is, the high-brightness color is displayed in the original position, and the outline is outlined in the lower left or upper right position with low-brightness color, which will visually produce the effect of 3d text.