Thin film transistor liquid crystal display structure

Details Thin film transistor liquid crystal display structure Thin film transistor liquid crystal display structure

2005-10-18

2005-10-18

Kielin, Erik (Department: 2813)

Liquid crystal cells, elements and systems

Particular excitation of liquid crystal

Electrical excitation of liquid crystal

C349S038000, C349S043000

Reexamination Certificate

active

06956626

ABSTRACT:
A process for manufacturing a thin film transistor liquid crystal display (TFT-LCD) is disclosed. The process can reduce the number of the mask used in the photolithography process to three masks, form a capacitor during the manufacturing process simultaneously, and enhance the transmission rate of the TFT-LCD. Because the pixel electrodes are formed directly on the substrate, without forming an insulator layer in the pixel area, the transmission can be enhanced. The manufacturing process also provides a protective circuit for avoiding electrostatic discharge damage, and a passivation layer to protect the capacitor, the gate line, and the signal line.

REFERENCES:
patent: 5478766 (1995-12-01), Park et al.
patent: 6078365 (2000-06-01), Ueda et al.
patent: 6255130 (2001-07-01), Kim
patent: 6387737 (2002-05-01), Yamazaki et al.

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