| 摘要 |
A liquid crystal display device which can reduce power consumption and can be miniaturized. The liquid crystal display device according to the present invention includes a pixel array portion, an address decoder, a display memory (VRAM), and a VRAM controller, and transmits/receives a signal to/from a CPU and a peripheral circuit through a system bus. The pixel array portion has an area gradation pixel structure in which each pixel is composed of a plurality of one-bit memories. The entire pixel array portion is divided into pixel blocks each of which consists of a plurality of pixels, and the one-bit memory is rewritten in units of block. The one-bit memory has a double-word line structure.
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