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21. 发明授权

US5677704A Display device driving method 失效
标题翻译：显示设备驱动方式
公开(公告)号：US5677704A
公开(公告)日：1997-10-14
申请号：US697659
申请日：1996-08-28
申请人： Masanori Kusano , Masaki Oie , Eisuke Kanzaki
发明人： Masanori Kusano , Masaki Oie , Eisuke Kanzaki
IPC分类号： G02F1/133 , G06T5/00 , G09G3/20 , G09G3/36
CPC分类号： G09G3/3611 , G09G3/3648 , G09G3/2018
摘要： Frame rate modulation is effected in which image data, which expresses a density of one dot by 4-bit dot data, is converted into a plurality of frame data, which express a density of one dot by 3 bits, so that the plurality of the frame data are sequentially displayed on the LCD. In the above conversion, the high order 3 bits of the dot data are extracted and made into data of one dot of each frame. In a case in which the least significant bit of the first dot data is 1 and the most significant bit is 0, 1 is added to a corresponding portion of the respective frame data. In a case in which the least significant bit of the dot data is 0 and the most significant bit is 1, 1 is subtracted from a corresponding portion of the respective frame data. In accordance with the above description, the image data is converted into the frame data as shown in Table 2, and the sum (apparent densities) of the plurality of converted frame data always changes in accordance with the changes in the dot data.
摘要翻译：实现帧速率调制，其中通过4位点数据表示一个点的密度的图像数据被转换成多个帧数据，其将一个点的密度表示3比特，使得多个帧数据依次显示在LCD上。在上述转换中，点数据的高阶3位被提取并被制成每帧的一个点的数据。在第一点数据的最低有效位为1且最高有效位为0的情况下，将1相加到相应帧数据的相应部分。在点数据的最低有效位为0且最高有效位为1的情况下，从相应帧数据的相应部分中减去1。根据上述描述，图像数据被转换成如表2所示的帧数据，并且多个转换的帧数据的总和（视在密度）总是根据点数据的变化而改变。

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