Polarization conversion device
A polarization conversion and polarized light conversion technology, applied in the optical field, can solve the problems of low utilization rate of light energy and loss of light energy, and achieve the effect of improving the utilization rate of light energy
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[0013] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0014] The polarization conversion device according to the invention comprises a plurality of submodules. figure 1 A schematic structural diagram of a sub-module of a polarization conversion device according to an embodiment of the present invention is shown.
[0015] refer to figure 1 , the sub-module includes two polarizers and a half retarder. Preferably, the sub-module includes two parts arranged up and down, namely an upper part and a lower part, wherein each of the upper part and the lower part contains a polarizer 101, and the half retarder 102 is placed on the upper part.
[0016] Wherein, the half retarder 102 is placed on the upper part or the lower part. Specifically, if the incident light needs to pass through the sub-module and then transmit the first polarized light, then the half retarder is superimposed on the lower part; if the incident li...
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