Patent ID: 7425743
Filing Date: 2008-09-16
Classification: G02F,H01L

Abstract:
1. A projection television set comprising: a light source, which emits a light; (n−1) dichroic mirrors, which divide the light into n components; n liquid crystal panels, wherein each of the n components of the light enters a corresponding one of the n liquid crystal panels; and a dichroic prism, by which the n components of the light are combined, wherein each of the n liquid crystal panels comprises: a substrate; a pixel portion comprising: a signal line electrically connected to the first thin film transistor; and a driver portion electrically connected to the signal line, comprising a second thin film transistor over the substrate, wherein the active layer comprises a crystalline silicon layer, wherein the insulating layer comprises a silicon nitride, and wherein the number n is a natural number larger than 1.