Active matrix-addressed display devices

Details Active matrix-addressed display devices Active matrix-addressed display devices

1990-01-16

1992-07-21

Oberley, Alvin E.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

359 59, C09G 336

Patent

active

051326779

ABSTRACT:
An active-matrix addressed LC display device includes a row and column array of display elements (12) each controlled by two transistors (TA, TB) selectively operable by switching signals applied to respective adjacent row conductors (R) to supply to the display elements data signals from column conductors (C). Each row conductor (R) is associated with two rowss of display elements (12) and each display element has a storage capacitor (SC). The storage capacitors of each row of display elements are provided by a respective supplementary conductor (RS) extending beneath, and insulated from, electrodes (14) of the display elements. A supplementary conductor is formed as an extension of a row conductor (R) associated with a preceding pair of adjacent rows of display elements. The supplementary conductors are interconnected to their row conductors at one end of the rows, and preferably, for redundancy purposes, also at the other end, by respective bridges (30, 31).

REFERENCES:
patent: 4368523 (1983-01-01), Kwate
patent: 4680580 (1987-07-01), Kawahara
patent: 4804953 (1989-02-01), Castleberry
patent: 4820222 (1989-04-01), Holmberg et al.
patent: 4822142 (1989-04-01), Yasui
patent: 4936656 (1990-06-01), Yamashita et al.

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