发明名称 |
Drive circuit for a matrix-type display apparatus |
摘要 |
The drive circuit for a matrix-type display apparatus is a scanning driver for selecting one scanning electrode respectively for four selection periods, and displaying data of each bit for four bits in a pixel on the selected electrode. The scanning driver has four shift registers corresponding to four selection periods. To these shift registers, a clock having the width of four selection periods and a bit data indicating each bit are inputted. By the AND circuit, etc., a logical product of 15 shift signals from the shift register and four select signals is obtained, and using a signal of sum (logical OR) of the logical product, the ON/OFF of a selection voltage output switch and a non-selection voltage output switch is controlled. As a result, a drive circuit suited for the multiplex driving method can be achieved.
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申请公布号 |
US5969713(A) |
申请公布日期 |
1999.10.19 |
申请号 |
US19960764844 |
申请日期 |
1996.12.13 |
申请人 |
SHARP KABUSHIKI KAISHA;THE SECRETARY OF STATE FOR DEFENCE IN HER BRITANNIC MAJESTY'S GOVERNMENT OF THE UNITED KINGDOM OF GREAT BRITAIN AND NORTHERN IRELAND |
发明人 |
TOMIZAWA, KAZUNARI;NUMAO, TAKAJI |
分类号 |
G02F1/133;G09G3/20;G09G3/36;(IPC1-7):G09G5/00 |
主分类号 |
G02F1/133 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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