Active liquid crystal color display device having branchless sca

Details Active liquid crystal color display device having branchless sca Active liquid crystal color display device having branchless sca

1988-09-08

1989-05-30

Miller, Stanley D.

350334, 357 237, G02F 1133, H01L 2978

Patent

active

048345075

ABSTRACT:
A liquid crystal color display device has a substrate made of electrically non-conductive material, and a plurality of spot electrodes aligned in rows. The spot electrodes in each row are aligned with a predetermined pitch so as to provide a first predetermined space between two adajcent spot electrodes. The rows extend in a first direction parallel to each other with a second predetermined space between two adjacent rows. The spot electrodes in one row and the spot electrodes in the next row are off set by half pitch. A plurality of scan electrodes are each extending in the second predetermined space. Also, a plurality of signal electrodes are provided each defined by a first portion extending in the first predetermined space and a second portion extending in the second predetermined space with the first and second portions occurring alternately. Furthermore, a plurality of thin film transistors are provided each defined in association with the second portion.

REFERENCES:
patent: 4534623 (1985-08-01), Azaki
patent: 4600274 (1986-07-01), Morozumi
patent: 4678282 (1987-07-01), Yaniv et al.
patent: 4704559 (1987-11-01), Suginoya et al.
patent: 4705358 (1987-11-01), Yamazaki et al.
A. I. Lakatos-"Promise . . . T-F Silicon Approaches to Active Matrices", pp. 185-192-Proceedings of the SID-vol. 24/2-1983.

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