发明名称 |
Drive system for liquid crystal display device |
摘要 |
Drive signals are applied to the segment and digit electrodes of a liquid crystal display device in a time-multiplexed manner by means of a control circuit adapted to control first and second gates the output of one of which is selected as a segment signal by selection means, and further adapted to control a digit signal generating circuit for producing a digit signal that cooperates with the segment signal to drive the display. The effective application of drive signals allows a reduction in the number of segment electrodes and in the quantity of associated wiring so that the degree of integration on an IC chip can be increased.
|
申请公布号 |
US4227192(A) |
申请公布日期 |
1980.10.07 |
申请号 |
US19780909889 |
申请日期 |
1978.05.26 |
申请人 |
CITIZEN WATCH CO., LTD. |
发明人 |
EBIHARA, HEIHACHIRO;SEKIYA, FUKUO;YAMADA, TAKASHI |
分类号 |
G09G3/36;G02F1/133;G09G3/18 |
主分类号 |
G09G3/36 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|