公开(公告)号：US11054880B2

公开(公告)日：2021-07-06

申请号：US16273372

申请日：2019-02-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jeongil Kang

IPC: G06F1/3218

Abstract: Disclosed is a display apparatus. The display apparatus includes a display, a power supply configured to supply power to the display, a port, and a controller configured to control the power supply to supply power to an external apparatus through the port based on the external apparatus being connected to the port and control the power supply to adjust an amount of power supplied to the display based on a power supply characteristic of the port.

公开(公告)号：US12224660B2

公开(公告)日：2025-02-11

申请号：US18094769

申请日：2023-01-09

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Duhee Jang ,  Wonmyung Woo ,  Jeongil Kang ,  Sanghoon Lee

IPC: H02M1/42 ,  G05F1/70 ,  H02M7/06

Abstract: The electronic apparatus including a power factor correction (PFC) circuit and a control circuit configured to control an operation of the PFC circuit is provided. The PFC circuit includes a first inductor part connected to one end of an AC voltage part and a first switch connected to a first inductor in series; a second inductor part connected to another end of the AC voltage part and a second switch connected to a second inductor in series; an output part connected to the first inductor part and the second inductor part; and a switching part, and the control circuit identically applies a switch on/off signal to the first switch and the second switch, and selectively applies a switch on/off signal to the third switch or the fourth switch based on a magnitude of an input voltage input through the AC voltage part.

公开(公告)号：US12100370B1

公开(公告)日：2024-09-24

申请号：US18120791

申请日：2023-03-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jaeeun Kim ,  Keonwoo Kim ,  Moonyoung Kim ,  Jinhyung Lee ,  Jeongil Kang

IPC: G09G5/10

CPC classification number: G09G5/10 ,  G09G2320/0626 ,  G09G2330/021 ,  G09G2330/027

Abstract: A display apparatus includes: a display, a processor configured to process image data to be displayed on the display, a transformer including a primary coil and a plurality of secondary coils, a first rectifier connected with a first coil of the plurality of secondary coils and configured to output a first output voltage corresponding to a number of turns of the first coil, a direct current-direct current (DC-DC) converter configured to receive the first output voltage from the first rectifier and output a second output voltage that is different from the first output voltage, and a second rectifier connected with a second coil of the plurality of secondary coils and configured to output a first load voltage which is a sum of the second output voltage and a third output voltage corresponding to a number of turns of the second coil to the display.

公开(公告)号：US12068681B2

公开(公告)日：2024-08-20

申请号：US17885051

申请日：2022-08-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Moonyoung Kim ,  Jeongil Kang

IPC: H02M1/42 ,  G09G1/00 ,  H02M1/00

CPC classification number: H02M1/4208 ,  G09G1/005 ,  H02M1/0032 ,  G09G2330/021

Abstract: A display device includes a diode bridge configured to rectify input power; a power factor correction (PFC) circuit configured to control a power factor of the input power rectified by the diode bridge; a direct current (DC)/DC converter configured to change voltage of the input power received through the PFC circuit; and a PFC controller connected to the diode bridge and configured to selectively turn on or off the PFC circuit based on terminal voltages of lower diodes included in the diode bridge.

公开(公告)号：US11892888B2

公开(公告)日：2024-02-06

申请号：US17013982

申请日：2020-09-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Moonyoung Kim ,  Jeongil Kang

IPC: G06F1/26 ,  H02J50/80 ,  H02J50/12 ,  G06F1/28 ,  G06F1/3215

CPC classification number: G06F1/266 ,  G06F1/28 ,  G06F1/3215 ,  H02J50/12 ,  H02J50/80 ,  G06F2200/261 ,  H02J2207/30

Abstract: An electronic apparatus includes: a plurality of input ports to which a plurality of first external devices are connected; a converter; an output port to which a second external device is connected; and a processor that controls the converter to convert a plurality of input voltages of the plurality of first external devices connected to the plurality of input ports into an output voltage, identifies whether power is capable of being supplied by each of the input voltages, and controls the converter to output the converted output voltage to the second external device to the output port, based on whether the power is capable of being supplied.

公开(公告)号：US11563372B2

公开(公告)日：2023-01-24

申请号：US16973334

申请日：2019-07-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Moonyoung Kim ,  Jeongil Kang ,  Shinwook Choi

IPC: H02M1/42 ,  H02M3/335 ,  H02M1/00

Abstract: An electronic apparatus includes: an operator; and a power circuit configured to supply power to the operator, wherein the power circuit includes a first voltage converter configured to output a first voltage based on input power, and a power factor corrector (PFC) configured to output a second voltage by performing power factor correction for the first voltage, and supplies power based on the first voltage or the second voltage to the operator, wherein the power circuit stops an operation of the PFC, lowers the first voltage to have a level corresponding to the second voltage, and supplies power based on the lowered first voltage to the operator, based on power consumption of the operator lower than or equal to a predetermined value.

公开(公告)号：US11501693B2

公开(公告)日：2022-11-15

申请号：US16898828

申请日：2020-06-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Moonyoung Kim ,  Jeongil Kang

IPC: G06F3/038 ,  G09G3/32

Abstract: An electronic apparatus is disclosed. The electronic apparatus includes: a power interface comprising circuitry connected with a display apparatus, a first converter comprising circuitry configured to convert an external power to a first driving power based on a first ground, a second converter comprising circuitry configured to convert the external power to a second driving power, based on a second ground, the second driving power having a voltage level lower than a voltage level of the first driving power, and a switch having a first end connected to an output end of the first converter, and the switch is connected to a power interface by one of the first end and a second end, wherein the switch is configured to be switched to supply one of the first driving power and the second driving power to the display apparatus through the power interface based on an operating state of the display apparatus.

公开(公告)号：US11288029B2

公开(公告)日：2022-03-29

申请号：US17077120

申请日：2020-10-22

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sungyong Joo ,  Jeongil Kang ,  Sunjin Park ,  Sungbum Jung

IPC: G06F3/14 ,  G06F1/16 ,  G06F1/3234

Abstract: Disclosed are a display apparatus and a method of controlling the same, the display apparatus including: a plurality of display modules arranged in up and down directions, and configured to switch between a first state, the first state being a folded state and a second state, the second state being an unfolded state; a plurality of joining units each comprising a hinge provided between the plurality of display modules and configured to join adjacent display modules; a driver including a wire supporting the plurality of display modules, and configured to drive the plurality of display modules to switch to the first state or the second state by adjusting a length of the wire; and a pair of coupling guides provided on lateral sides of the plurality of display modules and configured to guide adjacent display modules to switch between the first state and the second state.

公开(公告)号：US11226783B2

公开(公告)日：2022-01-18

申请号：US16558406

申请日：2019-09-03

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Moonyoung Kim ,  Jeongil Kang ,  Sinwook Choi

IPC: H02M3/335 ,  G06F3/14 ,  G09G5/00 ,  H02M1/00 ,  H02M1/12

Abstract: A display system is disclosed. The display system includes an electronic device including first and second interfaces and a display apparatus. The electronic device is configured to: rectify external alternating current (AC) power by direct current (DC) power based on a first ground, convert the DC power into power based on a second ground, provide the converted power to the display apparatus through a first interface connected to the second ground, and provide a signal received from an external device through a second interface connected to an earth ground to the display apparatus through the first interface, wherein a ground of the display apparatus is the same as the second ground and the second ground is different from the earth ground.

公开(公告)号：US11150702B2

公开(公告)日：2021-10-19

申请号：US16240891

申请日：2019-01-07

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jeongil Kang

IPC: H02J50/10 ,  G06F1/16 ,  H02J7/02

Abstract: An electronic apparatus includes a coupler to which an external apparatus is detachably attached, an interface, a wireless power transmitter; a communicator; and a processor configured to control the wireless power transmitter to transmit power received from an external apparatus that is connected through the interface to a display panel of the external electronic apparatus that is attached through the coupler, and control the communicator to transmit a video signal received from an external apparatus which is connected through the interface to the display panel.