Liquid crystal display devices having redundant gate line driver

Details Liquid crystal display devices having redundant gate line driver Liquid crystal display devices having redundant gate line driver

1996-11-27

1998-09-29

Saras, Steven J.

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345 98, 345100, 345103, 345904, G09G 318

Patent

active

058151290

ABSTRACT:
A liquid crystal display including a driving circuit is provided. The LCD in which one gate line is driven by both left and right gate drivers includes a couple of switching means which are placed between the gate driver and gate line, the couple of switching means being activated and deactivated by switching control signals to switch the output of the gate driver. When one of the gate drivers does not operate, the output of the gate driver having the operational problem is prevented from being applied to the gate lines, by a switching operation. Therefore, even when only one of gate drivers operates, the display panel can function properly, thereby preventing the lowering of picture quality and improving product yield.

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patent: 5034736 (1991-07-01), Bennett et al.
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patent: 5113134 (1992-05-01), Plus et al.
patent: 5223824 (1993-06-01), Takeda et al.
patent: 5555001 (1996-09-01), Lee et al.

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