发明名称 |
Gray-scale image display device that can reduce power consumption when writing data |
摘要 |
In an image display device equipped with a panel having first and second electrodes, a field period is divided into a plurality of sub-field periods that each have a predetermined luminance weight, and a gray-scale image for is displayed by (a) writing sub-field image data of each sub-field period obtained by dividing input image data of the field period into the plurality of sub-field periods, into the panel through the first and second electrodes, and (b) sustaining an illumination state of ON or OFF in each cell for each sub-field period using luminance equivalent to a luminance weight of each sub-field period. The image display device includes an image changing unit for changing a part of sub-field image data of a predetermined sub-field period, so that a total number of charges and discharges performed on the first electrode when writing the sub-field image data becomes smaller. |
申请公布号 |
US6956592(B2) |
申请公布日期 |
2005.10.18 |
申请号 |
US20010840667 |
申请日期 |
2001.04.23 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
YAMADA KAZUHIRO;KAWAHARA ISAO |
分类号 |
G09G3/20;G09G3/28;(IPC1-7):G09G5/10 |
主分类号 |
G09G3/20 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|