| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a driving circuit expressing diversified gray scale values, and to provide an organic electroluminescence display. <P>SOLUTION: The driving circuit includes a first decoder for outputting a plurality of first decoding signals by using a high order bit of a digital data signal, a first selection unit for generating a plurality of first selection signals and a plurality of first sub-selection signals in correspondence to the fist decoding signal, a switch unit for selecting a first reference voltage and a second reference voltage among a plurality of reference voltages by using the first selection signal and first sub-election signal outputted from the first selection unit, the second reference voltage being lower than the first reference voltage, a second decoder for outputting a plurality of second decoding signals by using the low order bit of the digital data signal, a second selection unit for generating a plurality of second selection signals and a plurality of second sub-selection signals in correspondence to the second decoding signal, and a data voltage generating unit including a plurality of voltage distributing units for distributing voltages by receiving the transport of a first reference voltage and a second reference voltage and generating the data voltage by receiving the transport of the second selection signal and the second sub-selection signal. <P>COPYRIGHT: (C)2008,JPO&INPIT |
