DISPLAY DEVICE INCLUDING PLURALITY OF SMALL POWER MODULES
First Claim
Patent Images
1. A display device comprising:
- a first power module configured to receive AC power from an external power supply;
a second power module configured to receive the AC power via the first power module; and
a load circuit configured to output a specified signal when a user input is received,wherein the first power module comprises;
a first conversion circuit configured to generate a first voltage for driving the load circuit by performing a first digital conversion on the received AC power,a first switch configured to be activated when the specified signal is received and output a first driving signal based on the first voltage, anda first relay configured to, form a path for transferring the received AC power to the second power module,wherein the second power module is configured to receive the AC power via the first relay.
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Abstract
A display device according to an embodiment includes a first power module that receives AC power from an external power supply, a second power module that receives the AC power through the first power module, and a load circuit that outputs a specified signal when a user input is received. A configuration of the display device with the three power modules reduces an inrush current when the display device is turned on. Also, a configuration of the display device with the three power modules reduces a standby power consumption when the display device is not turned on.
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Citations
20 Claims
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1. A display device comprising:
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a first power module configured to receive AC power from an external power supply; a second power module configured to receive the AC power via the first power module; and a load circuit configured to output a specified signal when a user input is received, wherein the first power module comprises; a first conversion circuit configured to generate a first voltage for driving the load circuit by performing a first digital conversion on the received AC power, a first switch configured to be activated when the specified signal is received and output a first driving signal based on the first voltage, and a first relay configured to, form a path for transferring the received AC power to the second power module, wherein the second power module is configured to receive the AC power via the first relay. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A display device comprising:
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a first power module configured to receive AC power from an external power supply; a second power module configured to receive the AC power from the external power supply; and a load circuit configured to output a specified signal when a user input is received, wherein the first power module comprises; a first conversion circuit configured to generate a first voltage for driving the load circuit by performing a first digital conversion on the received AC power, and a first switch configured to be activated when the specified signal is received and to output a first driving signal based on the first voltage, and wherein the second power module comprises; a first relay configured to form a first path for receiving the AC power from the external power supply when the first driving signal is supplied, a second conversion circuit configured to generate, when the AC power is received via the first relay, a second voltage by performing a second digital conversion on the received AC power, and a second switch configured to be activated when the second voltage is supplied and to output a second driving signal based on the second voltage. - View Dependent Claims (11, 12, 13, 14, 15)
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16. A display device comprising:
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a first power module, configured to be coupled to an external power source, wherein the first power module comprises a first converter; a second power module coupled to the first power module, wherein the first power module comprises a second converter; a third power module coupled to the second power module, wherein the third power module comprises a third converter; and a display module, wherein a first interface of the display module is configured to receive a first voltage from the first converter, a second interface of the display module is configured to receive a second voltage from the second converter, and a third interface of the display is configured to receive a third voltage from the third converter. - View Dependent Claims (17, 18, 19, 20)
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Specification