STORAGE TYPE DISPLAY DEVICE, STORAGE TYPE DISPLAY DEVICE DRIVING METHOD, AND ELECTRONIC APPARATUS

摘要

There is provided a storage type display device including: a pixel electrode, a common electrode, a selection switch which is connected to a data line and a scanning line, a memory circuit, a branched power supply line which supplies power to the pixel electrode, a stem power supply line which supplies power to the branched power supply line, a transfer gate which switches the connection state between the branched power supply line and the pixel electrode, a switch which is connected between the stem power supply line and the branched power supply line and is configured to select the connection state between the stem power supply line and the branched power supply line, and a control circuit which disconnects or connects the stem power supply line from or to the branched power supply line according whether or not the memory circuit is rewritten.

主权项

1. A storage type display device comprising:
first control lines that are provided as many as N (N is an integer which is equal to or larger than 2) columns; second control lines that are provided as many as M (M is an integer which is equal to or larger than 2) rows; and a display section that includes display elements interposed between a pair of substrates and includes N×M pixels, wherein the display section includes a pixel electrode, a counter electrode which faces the pixel electrode, a pixel switching element which is connected to the first control lines and the second control line and switches a power supply application state for the pixel electrode, and a pixel memory circuit which is connected to the pixel switching element, and wherein the storage type display device further comprises: a branched power supply line that supplies power to the pixel electrode in each row; a stem power supply line that supplies power to the branched power supply line which is commonly provided for the branched power supply line in each row; a pixel electrode switching circuit that switches a connection state between the branched power supply line and the pixel electrode according to content which is stored in the pixel memory circuit; a power supply line switching circuit that is connected between the stem power supply line and the branched power supply line in each row, and that selects the connection state between the stem power supply line and the branched power supply line in each row; and a control circuit that disconnects or connects the stem power supply line from or to the branched power supply line according to whether or not the content which is stored in the pixel memory circuit is rewritten.