发明授权
US6025822A Driving device, a column electrode driving semiconductor integrated circuit and a row electrode driving semiconductor integrated circuit used for a liquid crystal display device 失效
驱动装置,列电极驱动半导体集成电路和用于液晶显示装置的行电极驱动半导体集成电路

Driving device, a column electrode driving semiconductor integrated
circuit and a row electrode driving semiconductor integrated circuit
used for a liquid crystal display device
摘要:
A column electrode driving semiconductor integrated circuit for driving column electrodes in a liquid crystal display device to be driven by a multiple line selection method wherein the liquid crystal display device has a select and output circuit which selects a specified voltage value among voltage values having the member of levels corresponding to the member of simultaneously selected row electrodes, and applies the selected voltage value to each column electrode, wherein a memory unit including a control circuit stores display data and outputs the data on each row electrode in simultaneously selected lines, and an arithmetic circuit unit including an arithmetic processing circuit receives the data outputted from the memory unit and selection data indicating a voltage pattern applied to a selected row electrode and produces by arithmetic processing information of voltages selected by the select and output circuit unit.
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