Samsung Electronics Co., Ltd.

Sungyong Joo

Jiwon Lee

Jeongil Kang

Sungbum Park

Sungbum Jung

Jaeeun Kim

Junhyun Won

Sunjin Park

Taehyuck Kim

Taejun You

Wonmyung Woo

Jongsuk Lee

Jaehyun Ko

Youngchan Park

An electronic device comprising: a power supply to supply power; an infrared rays (IR) receiver; a first integrated circuit (IC) to drive the IR receiver based on the power supplied from the supply; and a second IC to supply power to a field-effect transistor (FET), wherein, when a preset control command is received through the IR receiver, the first IC turns on the second IC to drive the FET, which is connected to the second IC and is in a stopped state while the second IC is in a turned-off state, by turning on the second IC to thereby supply power to the electronic device.

Electronic device and control method therefor

A display device includes; a signal receiver configured to receive a control signal in form of infrared light, from a remote controller; and a controller configured to: control the signal receiver, based on the control signal received by the signal receiver, control the signal receiver, based on a first state in which the signal receiver is activated according to a preset period smaller than a duration of the control signal; in response to identifying the control signal by the signal receiver that is controlled based on the first state, control the signal receiver, based on a second state in which the signal receiver is activated during a time section longer than the duration of the control signal; and control the display device, based on the control signal identified by the signal receiver.

Display device and method for adjusting power consumption of signal receiver

A display device according to an embodiment includes a display, a first power module that outputs a first power, and a second power module that outputs a second power. The first power and the second power are supplied to the display. The first power module is configured to cut off the first power when an amount of input current exceeds an overload criterion, to identify whether the second power module is abnormal based on the second power, and to change the overload criterion from a first threshold current amount to a second threshold current amount that exceeds the first threshold current amount, in an abnormal state of the second power module.

Display device including overload protection circuit

An electronic device including a substrate comprising a hole, and a capacitor capable of being inserted and fixed to the hole of the substrate. The electronic device includes a substrate including a hole, and a capacitor inserted to the hole so as to be mounted on the substrate. The capacitor includes a case provided to accommodate a dielectric therein and forming an exterior of the capacitor, a lead wire connected to the dielectric and extending from an inside of the case to an outside of a first side surface of the case, and a groove recessed on a second side surface of the case opposite to the first side surface and provided to be engaged with a side, which forms a circumference of the hole, of the substrate to allow the case to be inserted and fixed to the hole.

Capacitor and electronic device comprising same

A display apparatus is provided. The display apparatus includes a display including a plurality of display modules, each of which includes a plurality of light emitting devices; a plurality of wireless power transmitters configured to wirelessly transmit power; a plurality of wireless power receivers configured to receive the power from the plurality of wireless power transmitters, each of the plurality of wireless power receivers including output terminals configured to output the power to the plurality of display modules; and a connector configured to connect the output terminals of the plurality of wireless power receivers to each other.

Display apparatus which may be powered by wireless power transfer

Provided is a display apparatus. The display apparatus includes: a display panel; a chassis supporting the display panel; a printed circuit board on which an electronic component is mounted; and a supporter inserted in the printed circuit board, wherein the printed circuit board includes a first surface facing the chassis, a second surface facing a direction opposite to the first surface, and a through hole penetrating the first surface and the second surface. The supporter includes: a head fixed on the second surface of the printed circuit board; a first body positioned inside the through hole, and extending from the head toward the chassis; and a second body extending from the first body, and protruding from the through hole toward the chassis.

Display apparatus

An electronic apparatus is provided. The electronic apparatus includes: a plurality of LED arrays disposed in parallel, a first sensing inductor connected to a first LED array of the plurality of LED arrays in series, a first auxiliary inductor disposed adjacent to the first sensing inductor, a second sensing inductor connected to a second LED array of the plurality of LED arrays in series, a second auxiliary inductor disposed adjacent to the second sensing inductor, a variable resistance connected to the plurality of LED arrays and configured to adjust an amount of a current flowing to the plurality of LED arrays according to a resistance value, and an LED driver configured to, based on at least one of a first induced voltage generated on the first auxiliary inductor or a second induced voltage generated in the second auxiliary inductor being a threshold voltage or more, identify that an error occurs in at least one of the first LED array or the second LED array, and adjust the resistance value of the variable resistance based on the identified result.

Electronic apparatus and control method thereof

A display apparatus includes a power supply device. The power supply device includes a power supply part and an integrated circuit chip. The power supply part outputs a first power to drive a backlight and a second power to drive a main circuit. The integrated circuit chip increases, based on a control signal to adjust a brightness of the backlight being received, a current value of the second power, and reduces, based on the control signal not being received for a first threshold time, the current value of the second power.

Display apparatus having power supply device, and control method thereof

A power conversion device which includes an input terminal that receives a rectified AC power, an active power factor correction circuit including a switching element that turns on or off and boosts an input voltage to correspond to a turn on time, an output terminal connected to an output of the active power factor correction circuit. The power conversion device includes a comparator that compares an output voltage of the output terminal with a reference voltage and outputs a signal having a different magnitude depending on the comparison result, a control circuit that adjusts a duty cycle of the control signal depending on an output signal of the comparator, and a discharge circuit electrically connected between the input terminal and an output of the comparator, and when the input voltage is equal to or greater than a first specified voltage, that discharges the output of the comparator.

Power conversion apparatus and AC-DC conversion apparatus

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.

Display apparatus and method of controlling the same

Disclosed is a display device including a power factor corrector including a converter correcting a power factor of an input power and a controller controlling the converter, a power transformer converting power, of which a power factor is corrected by the power factor corrector, and a display panel receiving power through the power transformer to display an image. The controller controls the converter to increase a first voltage when the first voltage output through the converter is less than a specified voltage. Other various embodiments as understood from the specification are also possible.

Display apparatus for controlling output voltage of a display device to normally display image

Disclosed is a display apparatus. The display apparatus includes a display including a first display module and a second display module, a first driving module comprising driving circuitry connected to the first display module, a second driving module comprising driving circuitry connected to the second display module, a processor configured to: obtain total power consumption of the first display module and second display module based on brightness of an input image, obtain supply power of each of the first driving module and second driving module based on the obtained total power consumption, and control the first driving module and the second driving module based on the obtained supply power, and the processor may control the display apparatus so that a part of supply power of the first driving module is provided to the second display module based on power consumption of the first display module.

Display apparatus and controlling method thereof

An electronic apparatus is provided. The electronic apparatus according to an embodiment includes a main circuit unit, a power source supplier configured to generate power, and supply the generated power to the main circuit unit, and a surge protector disposed between the main circuit unit and the power source supplier, the surge protector being configured to, based on a surge occurring from the power source supplier, perform a clamping operation on power output from the power source supplier at a first voltage level, wherein the power source supplier is further configured to, based on the clamping operation of the surge protector at the first voltage level being stopped, perform a clamping operation on the generated power at a second voltage level greater than the first voltage level.

Clamping operation and apparatus for surge protection

A display apparatus is provided. The display apparatus according to an embodiment includes an LED module including a plurality of light emitting diodes, an LED driver including a switching element comprising switching circuitry, the LED driver being configured to change a switching frequency of the switching element based on an intensity of a current provided to the LED module, and a processor configured to generate a Pulse Width Modulation (PWM) dimming signal based on pixel information of an input image and provide the signal to the LED driver, wherein the processor is further configured to control the LED driver to increase the switching frequency of the switching element within a dimming duty of the PWM dimming signal by reducing the intensity of the current provide to the LED module based on a pixel value of the input image being less than a threshold value.

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Suwon-si, South Korea

Sungyong Joo