DC-DC CONVERTER AND ORGANIC LIGHT EMITTING DISPLAY DEVICE USING THE SAME
First Claim
1. A DC-DC converter comprising:
- a voltage detector for detecting an input voltage;
a booster for receiving and boosting the input voltage to generate and output a first power; and
an inverter for receiving and inverting the input voltage to generate and output a second power, a voltage of the second power being controlled and output in accordance with the input voltage detected by the voltage detector.
2 Assignments
0 Petitions
Accused Products
Abstract
A DC-DC converter with improved efficiency achieved by controlling a voltage of a power supply transmitted to an organic light emitting diode in accordance with a voltage of a battery, and an organic light emitting display device using the same. A DC-DC converter according to one embodiment includes a voltage detecting unit for detecting a voltage of a battery, a booster circuit for receiving and boosting the input voltage to generate and output a first power, and an inverter circuit for receiving and inverting the input voltage to generate and output a second power, where the voltage of the second power is controlled and output corresponding to the input voltage detected by the voltage detecting unit.
25 Citations
16 Claims
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1. A DC-DC converter comprising:
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a voltage detector for detecting an input voltage; a booster for receiving and boosting the input voltage to generate and output a first power; and an inverter for receiving and inverting the input voltage to generate and output a second power, a voltage of the second power being controlled and output in accordance with the input voltage detected by the voltage detector. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An organic light emitting display device comprising:
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a display unit for displaying an image corresponding to a data signal, a scan signal, a first power and a second power; a data driver for generating and outputting the data signal; a scan driver for generating and outputting the scan signal; and a DC-DC converter for generating the first power and the second power, wherein the DC-DC converter comprises; a voltage detector for detecting an input voltage; a booster for receiving and boosting the input voltage to generate and output the first power; and an inverter for receiving and inverting the input voltage to generate and output the second power, the second power being controlled and output in accordance with the input voltage detected by the voltage detector. - View Dependent Claims (11, 12, 13, 14, 15, 16)
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Specification