Samsung Electronics Co., Ltd.

Wonmyung Woo

Sanghoon Lee

Jeongil Kang

Duhee Jang

Kangmoon Seo

Moonyoung Kim

Sungyong Joo

Jungho Lee

An electronic device comprises a power supply device to generate a driving voltage and a standby voltage and a main body operated based on the driving voltage and the standby voltage received from the power supply device. The power supply device includes at least one converter to output at least one of the driving voltage and the standby voltage from an output end, a first capacitor connected to the at least one converter to store the driving voltage, a second capacitor connected to the at least one converter to store the standby voltage, and a discharge circuitry electrically connected with the first capacitor to discharge the driving voltage stored in the first capacitor.

Electronic device, power supply device, and control method thereof

A display device includes: a display panel; a chassis assembly accommodating the display panel; a rear cover surrounding at least a portion of the chassis assembly; and a control assembly provided between the chassis assembly and the rear cover and, wherein the control assembly includes: a single-side printed circuit board (PCB) including a circuit surface with a circuit pattern printed thereon, and an insulating surface, a circuit module provided on the circuit surface, and a jumper connector including a first protruding portion passing through a first hole of the single-side PCB, a second protruding portion passing through a second hole of the single-side PCB.

Display device with slim control assembly

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.

Electronic apparatus and control method thereof

An electronic apparatus is provided. The electronic apparatus includes: a main body; and a power supply device configured to be electrically connected to the main body. The power supply device includes: a first housing comprising a first circuit configured to receive alternating current (AC) power; a second housing comprising a second circuit configured to supply direct current (DC) power to the main body; a hinge connected to the first housing and the second housing, and configured to be folded; and a flexible conductive structure electrically connecting the first circuit and the second circuit.

Electronic apparatus

A power supply capable of protecting a rectifier circuit using a switching element from an overvoltage or an overcurrent is provided. The power supply includes a power input terminal; an output capacitor; a synchronous rectifier configured to rectify an AC voltage input through the power input terminal; a converter configured to convert the rectified AC voltage into a DC voltage following a preset voltage and supply the DC voltage to the output capacitor; and a protection circuit provided between the power input terminal and the output capacitor, and configured to supply an AC voltage higher than the voltage charged in the output capacitor to the output capacitor by bypassing the synchronous rectifier.

Electronic apparatus and power supply

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.

Growing community of inventors

Suwon-si, South Korea

Wonmyung Woo