A precise display device for a static naked-eye three-dimensional advertising screen
A naked-eye three-dimensional and accurate display technology, applied in the direction of using feedback control, instruments, etc., can solve the problems of inability to display the content of advertising drawings, difficult to accurately locate, etc.
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Embodiment 1
[0019] refer to Figure 1-5 , a precise display device for a static naked-eye three-dimensional advertising screen, comprising an outer screen 1, a grating detector 101, and an advertising screen protective case 3, the rear wall of the outer screen 1 is attached with a ring-shaped movable belt 2, and the movable belt 2 is far away from the The side wall of the outer screen 1 is fixedly connected with a plurality of advertising drawings 202, and the upper and lower ends of the movable belt 2 away from the side wall of the outer screen 1 are provided with a plurality of positioning holes 201, and the advertising drawings 202 are arranged in the upper and lower rows of positioning holes 201 Between, the inner walls of a plurality of positioning holes 201 are fixedly equipped with signal gratings 203, the parallel slits of each signal grating 203 have different sizes, and the center surrounded by the movable belt 2 is provided with a backlight plate 7, and the backlight plate 7 ser...
Embodiment 2
[0022] refer to figure 1 , a precise display device for a static naked-eye three-dimensional advertising screen, which is basically the same as Embodiment 1, and furthermore, four movable belt positioning columns 6 are arranged inside the advertising screen protective shell 3, and the four movable belt positioning columns 6 are divided into Two groups, each group of two are fixedly installed on the inner wall of the advertising screen protective shell 3 respectively, and the two groups of movable belt positioning columns 6 are arranged symmetrically, the movable belt positioning columns 6 have played a role in positioning the movable belt 2, and the movable belt 2 has been avoided. Slippage occurs during cycling.
Embodiment 3
[0024] refer to figure 1 and image 3 , a precise display device for a static naked-eye three-dimensional advertising screen, which is basically the same as Embodiment 1, and furthermore, the backlight 7 is arranged in parallel with the outer screen 1, which improves the clarity of the optical signal generated by each signal grating 203, Moreover, dark spots appearing in the external screen 1 are avoided, and the graphics display effect in the external screen 1 is improved.
[0025] Working principle: the backlight 7 provides a light source to transmit light to the signal grating 203, after superimposing the gratings with different sizes of parallel slits, the signal gratings 203 with different sizes of parallel slits are generated, and each signal grating The arrangement of the gratings of 203 is different. After the light passes through the parallel slits of different signal gratings 203, different patterns of light spots are generated. The light spots are optical signals, ...
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