Abstract:
An image display apparatus includes an image memory (3) composed of an SRAM not requiring refresh operation. This image memory (3) includes an MSB division memory (13) for storing MSB data of each pixel data item and a lower bit division memory (14) for storing lower bit data other than the MSB data. In a normal mode, the MSB division memory (13) and the lower bit division memory (14) are driven to read/write the MSB data and the lower bit data. In a power-saving mode, the lower bit division memory (14) is not driven and only the MSB division memory (13) is driven to read/write the MSB data.
Abstract:
A liquid crystal panel quick in response and wide in field of vision, adapted to transfer a liquid crystal called an OCB type to bend orientation in a short time, wherein a period of time is provided in which a potential difference higher than that at the time of a normal image display is continuously applied between the gate line of the liquid crystal panel and the counter electrode or between a pixel electrode and the counter electrode. Further, ingenious ideas have been put into the period of time for the continuous application of a potential difference and into the construction of pixels.
Abstract:
No drive IC is used in a liquid crystal display, thus the manufacturing cost being low, the step of mounting drive ICs on the array substrate being dispensed with, and the thickness of the liquid crystal display being small. A drive circuit for an active matrix liquid crystal display, which comprises a resistor-division digital-analog converter, the analog output voltage of the converter being amplified by a signal amplifying element and a liquid crystal display element being driven by the amplified analog output voltage, and wherein a resistive element R is formed of a p-Si n+ layer over the array substrate of the liquid crystal display, and a switching element Tr and the signal amplifying element are formed in the array substrate.