Liquid crystal display with a protection layer formed by the lay

Details Liquid crystal display with a protection layer formed by the lay Liquid crystal display with a protection layer formed by the lay

1998-12-16

1999-11-23

Sikes, William L.

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

349140, 349143, G02F 11343

Patent

active

059909994

ABSTRACT:
A liquid crystal display includes a substrate, an active layer on the substrate, the active layer having a source region, a channel region and a drain region, a gate line including a gate electrode, the gate electrode overlapping the channel region of the active layer and the gate line having a gate insulating layer disposed underneath, an insulating interlayer covering the exposed surface of the substrate including the gate line, a first contact hole and a second contact hole exposing portions of the source region and the drain region in the insulating interlayer, respectively, a data line including a source electrode on the insulating interlayer, the source electrode connected to the source region and the data line crossing over the gate line, a drain electrode on the insulating interlayer, the drain electrode connected to the drain region, a passivation layer covering the exposed surface of the substrate including the data line and the drain electrode, a third contact hole exposing a portion of the drain electrode on the passivation layer, a pixel electrode connected to the drain electrode on the passivation layer, and a first etching preventing layer covering the crossing portion of the gate lines and the data lines.

REFERENCES:
patent: 5412240 (1995-05-01), Inoue et al.
patent: 5434441 (1995-07-01), Inoue et al.
patent: 5737049 (1998-04-01), Shin et al.
patent: 5757453 (1998-05-01), Shin et al.
patent: 5835169 (1998-11-01), Kwon et al.
patent: 5866919 (1999-02-01), Kwon et al.

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