Liquid crystal displays including organic passivation layer...

Details Liquid crystal displays including organic passivation layer... Liquid crystal displays including organic passivation layer...

2005-09-06

2005-09-06

Chowdhury, Tarifur R. (Department: 2871)

Liquid crystal cells, elements and systems

Particular excitation of liquid crystal

Electrical excitation of liquid crystal

C349S043000, C349S138000, C257S059000

Reexamination Certificate

active

06940566

ABSTRACT:
A passivation layer is formed by coating a flowable insulating material on the substrate where a thin film transistor and a storage capacitor electrode, and a pixel electrode is formed on the passivation layer. A portion of the passivation layer is etched using the pixel electrode as a mask to make a groove on the thin film transistor, and then a black matrix is formed by filling an organic black photoresist in the groove. To increase the storage capacitance, a portion of the passivation layer is removed or to form a metal pattern on the storage capacitor electrode. A flowable insulating material is used as a gate insulating layer to planarize the substrate. In this case of the etch stopper type thin film transistor, a photo definable material is used as the etch stopper layer to reduce the parasitic capacitance between the gate electrode and the drain electrode.

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Notice of Rejection, Japanese application No. 325008, Apr. 10, 2003.
Office Action; Chinese application No. 97122912.0, Jun. 15, 2003.

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