An embodiment of the invention provides an integrated circuit having a cell. The semiconductor device includes a screening electrode spaced apart from a channel region. Conditions and are satisfied:\u03bdd>80\u2003\u2003,andPg\u2014F>0. 05 to 5% of polyvinyl alcohol; and water to make up to 100%. In addition, a second conversion material may at least partially cover the first andor second LED chips, and may be configured to absorb at least some of the light of the first andor second colors and re-emit light of a fourth color.