A liquid crystal panel includes a first substrate on which pixel electrodes are formed in a matrix pattern, a second substrate on which a counter electrode is formed, an ultraviolet reducing layer formed on one of the first and second substrates and corresponding to the matrix pattern of the...http://www.google.com/patents/US5734454?utm_source=gb-gplus-sharePatent US5734454 - Liquid crystal panel with reducing means, manufacturing method therefor and projection display apparatus using the same 
