Display apparatus, driving method for display apparatus and electronic apparatus

摘要

Disclosed herein is a display apparatus, including: a pixel array section including a plurality of pixels, a writing transistor, a driving transistor, a first switching transistor, a holding capacitor, and a second switching transistor; a first scanning section configured to drive the writing transistor in a unit of a row of the pixels; a second scanning section configured to drive the switching transistors in synchronism with scanning by the first scanning section; and a third scanning section configured to control the second switching transistors to a non-conducting state within a period after the image signal is written by the writing transistor until the signal writing period of the same row of the pixels ends but to a conducting state within any other period.

主权项

1. A display apparatus, comprising:
a plurality of pixels, at least one of the plurality of pixels including:
an electro-optical device,a holding capacitor having a first terminal and a second terminal,a writing transistor configured to supply an image signal to the first terminal of the holding capacitor,a driving transistor connected between a first voltage line and the electro-optical device and configured to drive the electro-optical device based on the image signal,a first switching transistor connected to a drain of the driving transistor and configured to control the electro-optical device to emit light,a second switching transistor connected between the second terminal of the holding capacitor and a source of the driving transistor,a third switching transistor connected between a gate of the driving transistor and a second voltage line and configured to initialize the gate of the driving transistor, anda fourth switching transistor connected between a third voltage line and the electro-optical device and configured to initialize the electro-optical device; and a scanner circuit including a first scanner, a second scanner, and a third scanner,wherein
the holding capacitor and the second switching transistor are serially connected between the gate and the source of the driving transistor, the first scanner is configured to place the writing transistor into a conducting state during a signal writing period, the second scanner is configured to place the first switching transistor into a conducting state during a light emission period, the third scanner is configured to place the second switching transistor into a non-conducting state during the signal writing period, and into a conducting state during the light emission period, the first voltage line is configured to apply a fixed voltage to supply a current to the electro-optical device via the first switching transistor, and the first switching transistor is configured to control the light emission period of the electro-optical device to carry out duty driving.