Image display device
View Patent ↗The invention provides an image display device that has an especially satisfactory display quality for animated images, and sufficiently suppresses the irregularities of display quality among pixels. The image display device includes a light emitting drive means that drives a light emitting means, based on an analog display signal inputted to the pixels, and a light emitting control switch for controlling a light-on or light-off of the light emitting means on one end of the light emitting drive means in each pixel.
1. An image display device comprising;
a pixel that connects to a signal line inputting a signal data, a reset line, a light-on switch line, a signal drive circuit, and a power supply line,
a display area composed of plural pixels,
the pixel having an organic light emitting diode, a drive TFT through which current is supplied from the power supply line to the organic light emitting diode, a pixel capacitor coupled to the signal line, and a light-on switch controlled by a signal on the light-on switch line,
the signal data on the signal line that is input to a gate electrode of the drive TFT via the pixel capacitor,
a source of the drive TFT coupled to the power supply line,
a drain of the drive TFT coupled to one electrode of the organic light emitting diode,
the other electrode of the organic light emitting diode being coupled to common terminal,
the light-on switch being provided between the drive TFT and the organic light emitting diode, and
one end of the signal line being coupled to the signal drive circuit, and an other end of the signal line being connect to an input switch.
2. An image display device according to claim 1 , wherein plural signal lines are arranged in the display area,
each of the signal lines is connected to each of the input switches, and the input are thin film transistors, gate electrodes of the thin film transistors being connected to a same line, and source electrodes of the thin film transistors being connected to a common line.
3. An image display device according to claim 1 , wherein a triangular pulse is input to the signal line through the input switch.