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Display apparatus

專利號
US10867561B2
公開日期
2020-12-15
申請人
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
技術領域
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.

說明書

The driving transistor 112 receives a current supplied from the power supply potential VDD via the switching transistor 114, and causes the organic light emitting element 111 to emit light by current driving. At this time, since the amount of the current flowing to the organic light emitting element 111 is determined by the voltage held by the capacitive element 116, the light emission amount of the organic light emitting element 111 can be controlled. The switching transistor 114 is rendered conductive when the signal used to control light emission is applied from the vertical driving circuit 103 to the gate electrode via the scanning line 122. That is, the switching transistor 114 has a function of controlling light emission and non-emission of the organic light emitting element 111.

When the 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 switching transistor 115 selectively supplies the power supply potential VSS to the anode electrode.

權利要求

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