Liquid crystal display with storage capacitors for holding elect

Details Liquid crystal display with storage capacitors for holding elect Liquid crystal display with storage capacitors for holding elect

1995-08-17

1997-11-11

Sikes, William L.

Liquid crystal cells, elements and systems

Particular excitation of liquid crystal

Electrical excitation of liquid crystal

349 42, 349 39, G02F 11343, G02F 1136

Patent

active

056869762

ABSTRACT:
An active matrix type liquid crystal display comprises pixel electrodes corresponding to respective pixels and storage capacitor electrodes which are disposed lying adjacent to each pixel electrode, with an insulation layer interposed therebetween. Input terminal electrodes are positioned at ends of a TFT substrate. An input capacitor is constituted by one storage capacitor electrode and one input terminal electrode which are positioned at opposite sides of the insulating layer interposed therebetween. Input capacitors are connected in series with the storage capacitor. A voltage of the storage capacitor electrode is controllable in response to a signal to the input terminal electrode as desired. The storage capacitor electrode and input terminal electrode can be shorted by irradiating a laser. In either case, it is not necessary to make a contact hole on an insulation layer using a dedicated mask so as to connect the input terminal electrode and storage capacitor electrode to the insulation layer. Thus, it is possible to reduce the number of masks to be used during the manufacturing process.

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patent: 5517342 (1996-05-01), Kim et al.

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