摘要 |
<P>PROBLEM TO BE SOLVED: To provide a current generating and supplying circuit which can quickly execute the operation to form a gradation current supplied to a display pixel even if the gradation current is slight and which can output the gradation current of an adequate current value corresponding to display data and its control method and a display device equipped with the current generating and supplying circuit. <P>SOLUTION: The current generating and supplying circuit 100A has the constitution equipped with a single reference voltage generating section 10A connected to a constant current generating source IR, driving current generating section ILA which are disposed in correspondence to a plurality of loads, generate and supply the load driving currents IA having prescribed current values based on the reference voltage Vref applied by the reference voltage generating section 10A and a load control signal for controlling the driving state of the loads and a plurality of driving current supplying circuit section 20A which are disposed in correspondence to the driving current forming section ILA and consist of data latch sections DLA which capture and hold the load control signal. <P>COPYRIGHT: (C)2005,JPO&NCIPI |