发明名称 |
Display unit having brightness control function |
摘要 |
A display unit comprising a thin film EL display panel, a scanning side switching circuit connected to a scanning side electrode, a data side switching circuit connected to a data side electrode, a scanning side drive circuit which outputs a high voltage pulse to the scanning side switching circuit and a data side drive circuit which outputs a signal voltage to the data side switching circuit, in which means for decreasing a pulse width of a high voltage pulse supplied from the scanning side drive circuit to the scanning side switching circuit in accordance with an increase of the level of a high voltage generated by a high voltage power supply in the scanning side drive circuit. <IMAGE> |
申请公布号 |
EP0477014(B1) |
申请公布日期 |
1996.02.28 |
申请号 |
EP19910308556 |
申请日期 |
1991.09.19 |
申请人 |
SHARP KABUSHIKI KAISHA |
发明人 |
SAKAMOTO, ATSUSHI;HARADA, SHIGEYUKI;YAMAMOTO, KYOICHI;OHBA, TOSHIHIRO;KISHISHITA, HIROSHI |
分类号 |
G09G3/20;G09F9/30;G09G3/22;G09G3/30 |
主分类号 |
G09G3/20 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|