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Image display device and display method for image display device

專(zhuān)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(lèi)
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(shuō)明書(shū)

Source drive controller 35 controls source driver 24 such that source driver 24 performs column inversion drive (column inversion drive) in which the polarities of the data voltages supplied to two adjacent data signal lines SL are different from each other. In the first exemplary embodiment, by way of example, source drive controller 35 controls source driver 24 such that source driver 24 performs the column inversion drive while performing frame inversion driving. However, the drive system is not limited to the first exemplary embodiment.

Gate drive controller 36 generates various timing signals (for example, the gate start pulse signal and the gate clock signal) controlling the drive of gate driver 25 based on various control signals (for example, the horizontal synchronizing signal and the vertical synchronizing signal) output from drive line switching unit 34, and outputs the various timing signals to gate driver 25.

[1-2. Operation of Liquid Crystal Display Device]

Operation of liquid crystal display device 10 will be described below with reference to FIGS. 3 and 4. FIG. 3 is a flowchart illustrating the operation of liquid crystal display device 10 of the first exemplary embodiment. FIG. 4 is a view illustrating a range in which a correlation is compared in liquid crystal display device 10 of the first exemplary embodiment. Pixel row 22 with the hatched dot in FIG. 4 indicates the writing line, and the pixel row 22 without the hatched dot indicates the non-writing line.

權(quán)利要求

1
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