A liquid crystal display apparatus having a liquid crystal panel including a pair of substrates, a plurality of electrodes formed on at least one of the pair of substrates and a liquid crystal layer sandwiched between the pair of substrates, and a light source provided on one surface of the liquid crystal...http://www.google.de/patents/US6621538?utm_source=gb-gplus-sharePatent US6621538 - Active matrix type liquid crystal display apparatus including liquid crystal layer having different thicknesses at portions where different colors of light are transmitted