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Display apparatus

專利號(hào)
US10867561B2
公開(kāi)日期
2020-12-15
申請(qǐng)人
CANON KABUSHIKI KAISHA(JP Tokyo)
發(fā)明人
Yasuharu Ota; Yasushi Matsuno; Yu Maehashi; Hiromasa Tsuboi
IPC分類
G09G3/3291; G09G3/3266; G09G3/3233; H01L27/32
技術(shù)領(lǐng)域
signal,pixel,image,pixels,in,driving,voltage,row,line,emission
地域: Tokyo

摘要

A display apparatus in which selection circuits and display blocks are arranged is provided. Each of the display blocks include signal lines extending in a column direction, and pixels connected to the signal lines and arranged in a matrix in the column direction and in a row direction crossing the column direction. Each of the selection circuits selects a signal line in a predetermined order to supply an image signal among the signal lines such that the image signal is written in each of the pixels arranged in the row direction among the pixels. A time to select at least one signal line among the signal lines and supply the image signal is different from a time to select a signal line other than the at least one signal line among the signal lines and supply the image signal.

說(shuō)明書(shū)

Furthermore, the switching unit 203 of the selection circuit 200 may change the time to select the signal line 124 to supply the image signal in accordance with a change in the signal voltage of the image signal supplied to the signal line 124 continuously selected among the plurality of signal lines 124. For example, in FIG. 10, consider the signal line connected to the pixel G2 and the signal line connected to the pixel R3 to which the image signal is supplied next to the pixel G2, and the signal line connected to the pixel G3 and the signal line connected to the pixel B3 to which the image signal is supplied next to the pixel G3. At this time, the difference between the signal voltage of the image signal supplied to the signal line connected to the pixel G2 and the signal voltage of the image signal supplied to the signal line connected to the pixel R3 is larger than the difference between the signal voltage of the image signal supplied to the signal line connected to the pixel G3 and the signal voltage of the image signal supplied to the signal line connected to the pixel B3. In this case, the time to select the signal line connected to the pixel R3 and supply the image signal may be longer than the time to select the signal line connected to the pixel B3 and supply the image signal.

In this way, if the relationship of the signal voltages of the desired image signals to be supplied to the signal lines 124 can be fed back in advance to the driving of the selection circuit 200, the selection circuit 200 adjusts the time to supply the image signal to each signal line 124. This makes it possible to suppress an error in the emission luminance of each pixel 110 and also suppress lowering of the frame rate.

權(quán)利要求

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