| 发明名称 |
POWER SUPPLY DEVICE, DISPLAY DEVICE INCLUDING THE SAME, AND ITS DRIVING METHOD |
| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide: a power supply device capable of reducing power consumption of a display device; a display device including the same; and its driving method. <P>SOLUTION: A technology for reducing power consumption of the display device is disclosed, regarding the power supply device, the display device including the same, and its driving method. The power supply device includes: a power supply voltage control part for sensing a panel current flowing in the display panel and adjusting a feedback voltage according to a panel current and a power supply voltage; and a direct current-direct current (DC) converter which creates the power supply voltage according to a feed-back voltage, and supplies it to a plurality of light-emitting elements. <P>COPYRIGHT: (C)2011,JPO&INPIT |
| 申请公布号 |
JP2011039471(A) |
申请公布日期 |
2011.02.24 |
| 申请号 |
JP20090261284 |
申请日期 |
2009.11.16 |
| 申请人 |
SAMSUNG MOBILE DISPLAY CO LTD |
发明人 |
AHN JUNG-KEUN;KAWASHIMA SHINGO |
| 分类号 |
G09G3/30;G09G3/20;H01L51/50;H05B33/08 |
主分类号 |
G09G3/30 |
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