TFT matrix liquid crystal device having data source lines and dr

Details TFT matrix liquid crystal device having data source lines and dr TFT matrix liquid crystal device having data source lines and dr

1994-05-26

1996-08-13

Sikes, William L.

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

257 59, G02F 1136, G02F 11343

Patent

active

055462049

ABSTRACT:
An active matrix array for liquid crystal displays which provides for a large aperture ratio. A layer of single crystal silicon is disposed over a glass substrate and etched and doped to form multiple source and drain regions for an array of thin film transistors (TFTs). Multiple gate buses are laid across the source and drain regions to form the TFTs. The drain regions each electrically contact a transparent electrode used in switching an individual pixel in a liquid crystal display. The TFTs formed do not encroach significantly into the pixel aperture and the conduction lines are constructed at minimal photolithographical requirements.

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