Liquid crystal display having only one common line in peripheral

Details Liquid crystal display having only one common line in peripheral Liquid crystal display having only one common line in peripheral

1999-02-09

2000-04-18

Parker, Kenneth

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

349 42, 349 49, G02F 1136

Patent

active

060521678

ABSTRACT:
A liquid crystal display includes a first substrate having a plurality of pixel electrodes arranged in a matrix, a plurality of row terminals and common electrode terminals arranged on one side of two adjacent sides of the first substrate, a plurality of column terminals and common electrode terminals arranged on the other side of the two adjacent sides of the first substrate; a second substrate arranged to be opposite to the first substrate and to interpose a liquid crystal display with the first substrate and having a counter electrode for performing liquid crystal display by applying a voltage across the pixel electrodes and the counter electrode. The conductive region being connected to at least one of the common electrode terminals to apply a common potential to the counter electrode. Instead of using a common drive circuit, a single conductive region is formed along only a single one of the two remaining sides of the first substrate so as to allow for measuring of at least one of a voltage drop and a voltage signal delay occurring at a substantially central portion of the matrix.

REFERENCES:
patent: 4832455 (1989-05-01), Takano et al.
patent: 5311342 (1994-05-01), Watanabe
patent: 5537129 (1996-07-01), Okada et al.
patent: 5734450 (1996-02-01), Irie et al.
patent: 5748267 (1998-05-01), Natori et al.
patent: 5790212 (1998-08-01), Lim

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