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Image display device and display method for image display device

專利號(hào)
US10867572B2
公開(kāi)日期
2020-12-15
申請(qǐng)人
Panasonic Liquid Crystal Display Co., Ltd.（JP Hyogo）
發(fā)明人
Tatsuo Itoman; Satoshi Hirotsune
IPC分類
G09G3/36
技術(shù)領(lǐng)域
writing,pixel,row,line,in,driver,22a1,crystal,display,inversion
地域： Himeji

摘要

An image display device includes: a display; gate signal lines including a first pixel row and a second pixel row; a gate driver; data signal lines; a source driver; and a controller that determines whether the second pixel row has correlation with the first pixel row in an image. When determining that the second pixel row has the correlation with the first pixel row, the controller causes the source driver to supply the data voltage corresponding to the first pixel row, causes the gate driver to supply the gate signal to write the data voltage in the first pixel row, and causes the gate driver to supply the gate signal to write the data voltage corresponding to the first pixel row in the second pixel row.

說(shuō)明書

When determination unit 32 determines that pixel row 22 selected as the reference line is the head line (Yes in S120), controller 30b controls source driver 24 and gate driver 25 to perform the full-screen display (S130). That is, when the affirmative determination is made in step S120, determination unit 32 does not determine the correlation between the reference line selected in step S110 and other pixel rows 22. For example, as illustrated in FIG. 11, when pixel row 1 having the hatched dot is the reference line, determination unit 32 determines that the reference line is the head line. FIG. 11 illustrates an example in which the reference line in a certain frame is the pixel row 1. FIG. 11, the pixel row having the hatched dot represents the reference line.

In step S130, source drive controller 35 outputs the image data to source driver 24 for each pixel row 22. Source driver 24 writes the data voltage corresponding to the image data of pixel row 22 for each pixel row 22. Consequently, the image for one frame is displayed.

On the other hand, when determination unit 32 determines that the reference line is not the head line (No in S120), controller 30b controls source driver 24 and gate driver 25 to perform low-power drive (S140). That is, when the negative determination is made in step S120, determination unit 32 determines the correlation between the reference line selected in step S110 and other pixel rows 22.

權(quán)利要求

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