公开(公告)号：US20210043126A1

公开(公告)日：2021-02-11

申请号：US16985292

申请日：2020-08-05

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Moonyoung KIM ,  Jeongil Kang

IPC: G09G3/20 ,  G06F3/02 ,  H02J4/00

Abstract: Disclosed are a display apparatus and a method of controlling the same, the display apparatus including: a display, a first connector connectable to a first power source, a second connector connectable to a second power source, a first converter configured to convert power supplied from the first power source, a second converter configured to supply operation power to the display based on power converted by the first converter or power supplied from the second power source, and a selector configured to connect the first connector and the first converter or the second connector and the second converter based on a power connection state of the first connector and the second connector.

公开(公告)号：US10826382B2

公开(公告)日：2020-11-03

申请号：US16456263

申请日：2019-06-28

Applicant: Samsung Electronics Co., Ltd.

Inventor： Shinwook Choi ,  Jeongil Kang ,  Moonyoung Kim

IPC: H02M1/32 ,  H01R24/60 ,  H02M1/42 ,  H02M7/04 ,  H02M7/21

Abstract: Disclosed is an electronic apparatus including a connector configured to connect the electronic device to an external apparatus; and a power circuit configured to supply power to the connected external apparatus, the power circuit including: a transformer configured to output an output voltage by varying a level of an input voltage; a switching unit comprising a switch configured to perform switching operation for the transformer; a controller configured to control the switching unit to match a level of the output voltage with the external apparatus; and an auxiliary power circuit including an auxiliary winding, and configured to supply power to the controller based on a voltage induced in the auxiliary winding by the output voltage and to decrease the number of turns of the auxiliary winding based on the output voltage having a level greater than or equal to a predetermined value.