公开(公告)号：US10991297B2

公开(公告)日：2021-04-27

申请号：US16491722

申请日：2018-03-06

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yong-joo Lee ,  Sung-yong Joo ,  Jeong-il Kang

IPC: G09G3/20 ,  G09G3/3208 ,  G09G3/36 ,  H02M1/32 ,  H02M7/219 ,  H02M1/00

Abstract: Provided is a display device. The display device includes a display to display an image, a processor to control the display to display a predetermined image, a power supplier to generate a direct current (DC) power by receiving an alternating current (AC) power, and supply the generated DC power to each of the display and the processor, and a sensor to output a sensing signal corresponding to whether the AC power is input, and the display stops an image display operation according to the sensing signal.

公开(公告)号：US10217419B2

公开(公告)日：2019-02-26

申请号：US15418279

申请日：2017-01-27

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sung-yong Joo ,  Jin-hyung Lee ,  Youn-seung Lee

IPC: G09G3/36 ,  G09G5/00 ,  G09G3/34

Abstract: A display apparatus is disclosed. The display apparatus may include a display configured to display an image using a backlight, an image signal provider configured to provide an image signal to the display and a power supply unit configured to generate first driving power and second driving power using a first converter and a second converter, respectively, and provide the first driving power to the image signal provider and provide the second driving power to the backlight, wherein the power supply unit is configured to control the first converter and the second converter alternately.

公开(公告)号：US09888598B2

公开(公告)日：2018-02-06

申请号：US15420874

申请日：2017-01-31

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sung-yong Joo ,  Jeong-il Kang

IPC: H01R11/00 ,  H05K5/02 ,  H05K5/00 ,  H01R24/28 ,  H01R13/6585 ,  H01R107/00

CPC classification number: H05K5/0247 ,  H01R13/6585 ,  H01R24/28 ,  H01R2107/00 ,  H01R2201/18 ,  H05K5/0017

Abstract: A connector apparatus a display apparatus including the connector are provided. The connector apparatus includes: a pair of connectors configured to be coupled to apparatuses; and a cable connecting the pair of connectors, wherein each connector of the pair of connectors includes a signal line part including a plurality of signal pins and a power line part including first and second terminals.

公开(公告)号：US09881563B2

公开(公告)日：2018-01-30

申请号：US14953897

申请日：2015-11-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sung-yong Joo ,  Jin-hyung Lee

IPC: G09G3/36 ,  G09G3/34 ,  H05B39/02

CPC classification number: G09G3/3406 ,  G09G2320/0606 ,  G09G2320/064 ,  G09G2320/0646 ,  G09G2320/0653 ,  G09G2330/021 ,  G09G2330/024 ,  G09G2330/026 ,  H05B33/0815 ,  H05B39/02

Abstract: A light emitting diode driver (LED) circuit and method are provided. The light emitting diode driver circuit includes an LED array; a LED driving circuit configured to supply current to the LED array through switching operations of a plurality of switches; and a driving controller configured to control the plurality of switches to supply current, corresponding to a dimming signal, to the LED array using a clock signal of a preset frequency. The driving controller may be further configured to control the plurality of switches to alternately perform switching operations.

公开(公告)号：US09318948B2

公开(公告)日：2016-04-19

申请号：US14222178

申请日：2014-03-21

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sung-yong Joo ,  Jin-hyung Lee

IPC: H04N5/63 ,  H02M1/42 ,  H02M1/32

CPC classification number: H02M1/4208 ,  H02M1/32 ,  H02M1/4225 ,  H04N5/63 ,  Y02B70/126

Abstract: A power circuit part, a power control method and a display apparatus having the same control an output DC voltage supplied as operating power to elements such as a display to be variably output at different levels according to a voltage level of input AC power. The power circuit part includes a rectifier configured to rectify a current of an input alternating current (AC) power into a direct current (DC); and a power factor corrector configured to output a DC voltage output set at a DC voltage level corresponding to an AC voltage level of the input AC power, and supplies the DC voltage as operating power to the electronic apparatus, wherein the DC voltage level is selected from a plurality of target DC voltage levels each corresponding to at least one of a plurality of AC voltage level ranges.

Abstract translation: 功率电路部分，功率控制方法和显示装置具有相同的功率的输出DC电压作为工作电源提供给诸如显示器的元件，以根据输入AC电力的电压电平以不同的电平可变地输出。 电源电路部分包括整流器，被配置为将输入交流（AC）功率的电流整流为直流（DC）; 以及功率因数校正器，被配置为输出设置在与所述输入AC电力的AC电压电平相对应的DC电压电平的DC电压输出，并且将所述DC电压作为工作电力提供给所述电子设备，其中选择所述DC电压电平 从多个对应于多个AC电压电平范围中的至少一个的目标DC电压电平。

公开(公告)号：US10826336B2

公开(公告)日：2020-11-03

申请号：US15637501

申请日：2017-06-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Ka-san Ha ,  Sung-yong Joo ,  Shin-ho Kang ,  Won-myung Woo

IPC: H02J50/90 ,  H02J50/10 ,  H01F38/14 ,  H01F27/28 ,  H02J5/00 ,  H02J50/12 ,  H04N5/63 ,  H02J7/02

Abstract: A display apparatus includes a main body; a power receiver configured to receive power from a wireless power transmission apparatus positioned outside of the main body; a driver configured to move the power receiver with respect to the main body; and a controller configured to control the driver to move the power receiver toward the main body or toward the wireless power transmission apparatus.

公开(公告)号：US10332474B2

公开(公告)日：2019-06-25

申请号：US15389999

申请日：2016-12-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sung-yong Joo ,  Jin-hyung Lee ,  Moon-young Kim

IPC: G09G3/34 ,  G09G3/36 ,  H02M1/42 ,  H02M3/337 ,  H02M1/00

Abstract: A display apparatus is provided. The display apparatus includes a display configured to display an image, an image signal provider circuit configured to provide an image signal to the display, and a power supply configured to generate driving power and to supply the generated driving power to the image signal provider, wherein the power supply controls an operation time of a power factor compensation (PFC) circuit which performs power factor compensation of the display apparatus based on a size of an output load receiving the driving voltage.

公开(公告)号：US09935555B2

公开(公告)日：2018-04-03

申请号：US15086496

申请日：2016-03-31

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sung-yong Joo ,  Jin-hyung Lee

IPC: H02M3/335 ,  H02M1/00

CPC classification number: H02M3/33507 ,  H02M2001/0032 ,  Y02B70/16

Abstract: A power supply apparatus and a method for controlling the power supply apparatus are provided. The power supply apparatus drives an electronic apparatus which may operate in a first mode or a second mode. The power supply includes an input voltage generator that generates an input voltage; an output voltage generator that generates a first output voltage by using the input voltage, and supplies the output voltage to the electronic apparatus; and a detector that determines the mode of the electronic apparatus by detecting a load of the electronic apparatus, and outputs a control signal to the output voltage generator in response to the mode of the electronic apparatus changing from the first mode to the second mode. In response to receiving the control signal, the output voltage generator generates a second output voltage that corresponds to the second mode.

公开(公告)号：US09780667B2

公开(公告)日：2017-10-03

申请号：US14788914

申请日：2015-07-01

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sung-yong Joo ,  Jin-hyung Lee

IPC: H02M3/335 ,  H02M1/00

CPC classification number: H02M3/33507 ,  G09G2330/021 ,  H02M3/33523 ,  H02M2001/0025 ,  H02M2001/0032 ,  Y02B70/16

Abstract: A display apparatus, a power supply and a power supply method are disclosed. A power supply for a display apparatus includes a switching driver configured to perform a switching operation and output an operation voltage; a first charger/discharger configured to set timing of the switching operation; and a controller configured to control the switching driver to disable the switching operation until a voltage previously charged in the first charger/discharger is discharged up to a first voltage, when the display apparatus is in a power saving mode.