There is eliminated a fringe pattern produced at the time of incidence of polarized light of a light distribution control element, in which stray light derived from outside unnecessary light in a liquid crystal display apparatus or the like can be effectively reduced, and bright, wide viewing angle characteristics...http://www.google.es/patents/US6943947?utm_source=gb-gplus-sharePatente US6943947 - Luminous intensity distribution control device and display having the same
Luminous intensity distribution control device and display having the same
