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POLARIZATION CONVERSION ELEMENT, POLARIZATION CONVERSION UNIT, PROJECTION APPARATUS, AND METHOD FOR MANUFACTURING POLARIZATION CONVERSION ELEMENT
POLARIZATION CONVERSION ELEMENT, POLARIZATION CONVERSION UNIT, PROJECTION APPARATUS, AND METHOD FOR MANUFACTURING POLARIZATION CONVERSION ELEMENT
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机译:偏光转换元件,偏光转换单元,投影装置以及制造偏光转换元件的方法
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摘要
A polarization conversion element is equipped with an element main body having a light incident surface and a light emission surface that are generally in parallel with each other, and a phase difference plate bonded to the light emission surface of the element main body. The element main body includes a plurality of light-transmissive substrates that are sequentially bonded at a predetermined angle with respect to the light emission surface, polarization separating films and reflection films that are alternately provided between the plurality of light-transmissive substrates, and adhesive layers formed between the plurality of light-transmissive substrates, respectively. The adhesive layers are each formed from ultraviolet light curing adhesive to a thickness between 5 μm and 10 μm.
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