| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a driving circuit for display device capable of suppressing generation of display unevenness by reducing variations in voltage or variations in current of the data driving circuit of a display device. <P>SOLUTION: The driving circuit for display device is provided with a gradation voltage generating circuit 1 for generating a plurality of voltage values which are matched with the gamma characteristic of liquid crystal, a picture data storing circuit 3 for storing picture data to be displayed on the display device, a gradation voltage selecting circuit 2 for selecting one value from the plurality of voltage values generated in the gradation voltage generating circuit 1 in response to the digital data stored in the picture data storing circuit 3, an amplifier 4 for driving data lines of the liquid crystal or the like with a prescribed voltage by receiving the voltage selected in response to the picture data, a voltage detecting circuit 7 for detecting variations in voltage of the amplifier 4, a correction data storing circuit 6 for storing states of variations in voltage of the amplifier 4 and a voltage correcting circuit 5 for correcting variations in output voltage of the amplifier 4. <P>COPYRIGHT: (C)2004,JPO |
