Display device with coordinate input function

Details Display device with coordinate input function Display device with coordinate input function

1990-04-30

1992-11-10

Oberley, Alvin E.

Communications: electrical

Land vehicle alarms or indicators

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

178 18, 359 53, G09G 302

Patent

active

051627825

ABSTRACT:
In a display device with coordinate input function according to the invention, since transparent electrodes for inputting coordinates, are disposed in an X-Y matrix form on a compensation cell provided to a liquid crystal display panel of two-layer type, the coordinate input can be performed even in the case of employing a liquid crystal display panel divided into two, upper and lower parts to drive its display screen.

REFERENCES:
patent: 4231640 (1980-11-01), Funada et al.
patent: 4375317 (1983-03-01), Funda et al.
patent: 4449123 (1984-05-01), Muranaga
patent: 4704501 (1987-11-01), Taguchi et al.
patent: 4841290 (1989-06-01), Nakano et al.
patent: 4890096 (1989-12-01), Taguchi et al.
"Flat Panel--Display '90", Nikkei PB, p. 172.
Patent Abstracts of Japan, vol. 12, No. 313 (JP 63 081521).
Patent Abstracts of Japan, vol. 11, No. 116 (JP 61 262835).
"Double-Layer LCD Displays CRT-Quality Video", Electronic Design, vol. 36, No. 24, Oct. 27, 1988, p. 29.

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