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Image display device and display method for image display device

專利號
US10867572B2
公開日期
2020-12-15
申請人
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,data
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.

說明書

FIG. 12 is a flowchart illustrating operation of the liquid crystal display device of the second exemplary embodiment;

FIG. 13 is a view illustrating the comparison of the correlation in the liquid crystal display device of the second exemplary embodiment;

FIG. 14 is a block diagram illustrating a functional configuration of a liquid crystal display device according to a third exemplary embodiment; and

FIG. 15 is a view illustrating a display example of a liquid crystal panel according to a comparative example.

DETAILED DESCRIPTION

(Knowledge Forming Basis of the Present Disclosure)

Reduction of power consumption has been studied in driving a liquid crystal panel of a liquid crystal display device. For example, it has been studied to reduce the power consumption of the display panel by decreasing frame frequency for driving the display panel. FIG. 15 is a view illustrating a display example of a liquid crystal panel according to a comparative example. Specifically, image display region 21 of the liquid crystal panel is illustrated in FIG. 15. Image display region 21 includes a plurality of pixels P arranged in a matrix form. Numerical values arranged in a vertical direction on the paper surface in FIG. 15 are numerical values for identifying pixel rows, and numerical values arranged in a horizontal direction on the paper surface are numerical values for identifying pixel columns. A pixel row with a hatched dot in FIG. 15 indicates a writing line.

權(quán)利要求

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