Power converters and e-paper devices using the same
OwnerMing-Chih Chiu, Wen-Pin Liu +1inventors
InventorsMing-Chih Chiu, Wen-Pin Liu, Rong Hsu
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Abstract
A display device including an e-paper device and a power converter is provided. The e-paper device displays information. The power converter generates a plurality of output voltages respectively at a plurality of output terminals and provides the plurality of output voltages to the e-paper device. The power converter includes a transformer and a plurality of diodes. The transformer has a primary winding and a plurality of secondary windings. The diodes are electrically connected between the secondary windings and the output terminals for generating the output voltages, respectively.
Claims26
A display device comprising:
- an e-paper device for displaying information;
- and
- a power converter for generating a plurality of output voltages respectively at
- a plurality of output terminals and providing the output voltages to the
- e-paper device, wherein the power converter comprises:
- a transformer having a primary winding and a plurality of secondary windings;
- and
- a plurality of diodes electrically connected between the secondary windings and the output terminals for generating the output voltages, respectively.
A display device comprising:
- an e-paper device for displaying information;
- and
- a power converter for generating a plurality of output voltages respectively at
- a plurality of output terminals and providing the output voltages to the
- e-paper device, wherein the power converter comprises:
- a transformer having a primary winding and at least one secondary winding;
- at least one first diode electrically connected between the primary winding and one of the output terminals for generating the corresponding output voltage;
- and
- at least one second diode electrically connected between the at least one secondary winding and one of the output terminals for generating the corresponding output voltage.
A power converter for generating a plurality of output voltages comprising:
- a plurality of output terminals for respectively providing the output voltages;
- transformer having a primary winding and at least one secondary winding;
- at least one first diode electrically connected between the primary winding and one of the output terminals for generating the corresponding output voltage;
- and
- at least one second diode electrically connected between the at least one secondary winding and one of the output terminals for generating the corresponding output voltage.
A display device comprising:
- an e-paper device for displaying information;
- and
- a power converter for generating a plurality of output voltages respectively at
- a plurality of output terminals and providing the output voltages to the
- e-paper device, wherein the power converter comprises:
- a coupled-inductor having a first winding and a second winding, wherein the first winding and the second winding are electrically connected in series between a first node and a second node;
- a first diode electrically connected between a joint of the first winding and the second winding and one of the output terminals for generating the corresponding output voltage;
- and
- a second diode electrically connected between the second node and one of the output terminals for generating the corresponding output voltage.
Dependencies are inferred from the claim text.