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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

The selection transistor 113 has the gate electrode connected to a scanning line 121, the source electrode connected to a signal line 124, and the drain electrode connected to the gate electrode of the driving transistor 112. A signal is applied from the vertical driving circuit 103 to the gate electrode of the selection transistor 113 via the scanning line 121.

The switching transistor 114 has the gate electrode connected to a scanning line 122, the source electrode connected to a power supply potential VDD, and the drain electrode connected to the source electrode of the driving transistor 112. A signal used to control the light emission of the organic light emitting element 111 is applied from the vertical driving circuit 103 to the gate electrode of the switching transistor 114 via the scanning line 122. The switching transistor 115 has the gate electrode connected to a scanning line 123, the source electrode connected to a power supply potential VSS, and the drain electrode connected to the anode electrode of the organic light emitting element 111. A signal used to control the potential of the anode electrode of the organic light emitting element 111 is applied from the vertical driving circuit 103 to the gate electrode of the switching transistor 115 via the scanning line 123.

The capacitive element 116 is connected between the gate electrode and the source electrode of the driving transistor 112. The capacitive element 117 is connected between the first power supply potential VDD and the source electrode of the driving transistor 112.

權(quán)利要求

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