3D LED display screen
An LED display, 3DLED technology, applied in optics, instruments, optical components, etc., can solve problems such as crosstalk, light leakage, accompanying shadow, etc., and achieve the effect of eliminating dispersion, improving contrast, and realizing equal phase delay.
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Embodiment 1
[0023] figure 1 It is a schematic structural diagram of the 3D LED display screen that can realize the equi-phase function in this embodiment. The 3D LED display screen with equal phase function mainly includes an LED display screen, a layer of polarizing film and an equal phase retarder; the LED screen is composed of an array of LED lamp beads; the polarizing film can be a left polarizing film or a right polarizing film, and is arranged in front of the LED screen; the equal phase retarder is composed of two antiparallel rubbing liquid crystal cells, and is arranged in front of the polarizing film. Both the LED display screen and the polarizing film can be obtained commercially. The phase retardation of light of different wavelengths after passing through the equal phase retarder is equal and the value of the phase retardation is π / 2. The preparation method of the equal phase retarder is as follows:
[0024] Take 8 pieces of ITO glass, do orientation treatment, pre-tilt angl...
Embodiment 2
[0030] figure 1 It is a schematic structural diagram of the 3D LED display screen that can realize the equi-phase function in this embodiment. The 3D LED display screen with equal phase function mainly includes an LED display screen, a layer of polarizing film and an equal phase retarder; the LED screen is composed of an array of LED lamp beads; the polarizing film can be a left polarizing film or a right polarizing film, and is arranged in front of the LED screen; the equal phase retarder is composed of two antiparallel rubbing liquid crystal cells, and is arranged in front of the polarizing film. Both the LED display screen and the polarizing film can be obtained commercially. The phase retardation of light of different wavelengths after passing through the equal phase retarder is equal and the value of the phase retardation is π / 2. The preparation method of the equal phase retarder is as follows:
[0031] Take 8 pieces of ITO glass, do orientation treatment, pre-tilt angl...
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