A polarized light reflecting element includes a plurality of stacked cholesteric liquid crystal layers. Each cholesteric liquid crystal layer is polymerized and has a helical liquid crystal molecule array and a helical axis that extends substantially in the normal direction. The in-plane mean value ...http://www.google.com.au/patents/US6747715?utm_source=gb-gplus-sharePatent US6747715 - Polarized light reflecting element, liquid crystal display element using the same, and method of manufacturing polarized light reflecting element