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US 2019/0197966 A1Published application
Dc to dc converter and display apparatus having the same
AssigneeSamsung Display Co., Ltd.
InventorsJin-Taek HONG, Songyi HAN
Life of this patent
Estimating the term…
Abstract
A DC to DC converter includes: an input voltage source; an inductor connected to the input voltage source; a diode connected to the inductor; a capacitor connected to the diode; a plurality of switching elements connected to a node between the inductor and the diode in a parallel connection; and a controller configured to set duty ratios of currents flowing through the switching elements such that the duty ratios of the currents flowing through the switching elements are equal to each other.
Claims19
A DC to DC converter comprising:
- an input voltage source;
- an inductor connected to the input voltage source;
- a diode connected to the inductor;
- a capacitor connected to the diode;
- a plurality of switching elements connected to a node between the inductor and the diode in a parallel connection;
- and
- a controller configured to set duty ratios of currents flowing through the switching elements such that the duty ratios of the currents flowing through the switching elements are equal to each other.
4 more elements
A display apparatus comprising:
- a display panel configured to display an image;
- a gate driver configured to output a gate signal to the display panel;
- a data driver configured to output a data voltage to the display panel;
- a backlight unit configured to provide light to the display panel;
- and
- a backlight driver configured to output a backlight driving signal to drive the backlight unit to the backlight unit, the backlight driver comprising a DC to DC converter,
- wherein the DC to DC converter comprises:
- an input voltage source;
- an inductor connected to the input voltage source;
- a diode connected to the inductor;
- a capacitor connected to the diode;
- a plurality of switching elements connected to a node between the inductor and the diode in a parallel connection;
- and
- a controller configured to set duty ratios of currents flowing through the switching elements such that the duty ratios of the currents flowing through the switching elements are equal to each other.
11 more elements
A display apparatus comprising:
- a display panel configured to display an image;
- a gate driver configured to output a gate signal to the display panel;
- a data driver configured to output a data voltage to the display panel;
- and
- a power voltage generator configured to output a gate power voltage to the gate driver and a data power voltage to the data driver, the power voltage generator comprising a DC to DC converter,
- wherein the DC to DC converter comprises:
- an input voltage source;
- an inductor connected to the input voltage source;
- a diode connected to the inductor;
- a capacitor connected to the diode;
- a plurality of switching elements connected to a node between the inductor and the diode in a parallel connection;
- and
- a controller configured to set duty ratios of currents flowing through the switching elements such that the duty ratios of the currents flowing through the switching elements are equal to each other.
10 more elements
Dependencies are inferred from the claim text.