Matrix display device

Details Matrix display device Matrix display device

1989-09-22

1992-03-10

Oberley, Alvin E.

Communications: electrical

Land vehicle alarms or indicators

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

340783, 340784, G09G 306

Patent

active

050953044

ABSTRACT:
In an active matrix addressed electro-optical, e.g. LC, display device of the kind comprising a row and column array of picture elements (12) each associated with a switching transistor (11) to which switching and data signals are supplied via switching and data signal conductors (14, 15) the transistors associated with alternate rows of picture elements are of opposite conductivity type (n,p) and the transistors of separate adjacent pairs of rows share a common switching signal conductor (14) to which switching signals for both conductivity types of transistors are applied, thereby reducing the number of such conductors. The transistors can be polysilicon or a-Si TFTs, or MOSFETs. CMOS technology may be used to produce also an integrated driver circuit (20).

REFERENCES:
patent: 4822142 (1989-04-01), Yasui
patent: 4917467 (1990-04-01), Chen et al.

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