Structure of multiplex-type liquid crystal image display apparat

Details Structure of multiplex-type liquid crystal image display apparat Structure of multiplex-type liquid crystal image display apparat

1987-10-16

1989-10-31

Yusko, Donald J.

Communications: electrical

Land vehicle alarms or indicators

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

340703, 358241, 358236, G09G 336

Patent

active

048780472

ABSTRACT:
An image display apparatus in which segment electrodes of a liquid crystal panel are extracted or accessed upward and downward alternately one by one, relative to the panel. A luminance signal is alternately A/D-converted by two A/D converters, and the segment electrodes extracted upward and downward are respectively driven in accordance with A/D-converted outputs from the two A/D converters.

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