Patent ID: 6577295
Filing Date: 2003-06-10
Classification: G02F,G09G,H01L

Abstract:
An In-plane Switching (IPS) active matrix liquid crystal display (LCD) device, comprising:first and second transparent substrates; liquid crystal sandwiched between said first transparent substrate and said second transparent substrate, said first transparent substrate including a plurality of pixel elements arranged in a matrix, each of said pixel elements defining a pixel area for image display and having a thin film transistor (TFT) and a pixel electrode coupled to a drain of said TFT; a plurality of scanning lines coupled to gates of said TFTs in a corresponding row of said pixel elements; a plurality of signal lines coupled to a source of said TFTs in a corresponding column of said pixel elements; and a common electrode having an electrode portion disposed for each of said pixel elements in association with said pixel electrode, one of said first transparent substrate and said second transparent substrate including a black matrix that covers an area other than said pixel area in a first direction perpendicular to said first and second substrates, said electrode portion of said common electrode encircling said pixel area in said first direction.