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
Inactive Publication Date: 2019-05-21
CHONGQING IQIYI INTELLIGENT TECHNOLOGY CO LTD
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The invention aims to provide a polarization conversion device. The polarization conversion device comprises a plurality of sub-modules, wherein each sub-module comprises two polarizing devices and a1/2 delay sheet. The polarizing device is used for transmitting the first polarized light and reflecting the second polarized light. The 1/2 delay sheet is used for converting the first polarized light transmitted by the polarizer into second polarized light. The device has the advantages that by means of the deflection conversion device composed of the multiple polarizing devices and the 1/2 delay sheet, incident light is converted into polarized light, so that the non-polarized light emitting screen can be changed into a polarized light emitting screen, the theoretical light energy utilization rate of an optical system can be increased to 100%, and the light energy utilization rate is greatly increased.
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