Display device

Details Display device Display device

1988-03-29

1990-08-28

James, Andrew J.

Communications: electrical

Land vehicle alarms or indicators

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

350331T, 350332, 340784, 340713, G02F 113

Patent

active

049520326

ABSTRACT:
A display control unit is combined with a display device including scanning and signal electrodes and a display element sandwiched between the scanning and signal electrodes and includes a key or the like for setting drive waveforms for driving the scanning and/or signal electrodes prior to drive timings of the scanning and signal electrodes. In the display device, a ratio of a voltage applied to an intersection between a selected scanning line and a selected information signal line to a voltage applied to an intersection between a non-selected scanning line and a selected information signal line is variably changed in accordance with a temperature change.

REFERENCES:
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patent: 4057325 (1977-11-01), Kondo
patent: 4338600 (1982-07-01), Leach
patent: 4462027 (1984-07-01), Lloyd
patent: 4655561 (1987-04-01), Kanbe et al.
patent: 4719457 (1988-01-01), Kitajima et al.
patent: 4725129 (1988-02-01), Kondo et al.
patent: 4764027 (1988-08-01), Wada et al.
patent: 4778260 (1988-10-01), Okada et al.
Hilsum, Holden, Raynes; "A Novel Method of Temperature Compensation for Multiplexed Liquid Crystal Displays", Electronics Letters, Jul. 6, 1978, vol. 14, No. 14.

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