Samsung Electronics Co., Ltd.

Samsung Mobile Display Co., Ltd.

Samsung Display Co., Ltd.

Samsmg Electronics Co., Ltd.

Chul-Woo Park

Jin-Woo Park

Jong-Hyuk Lee

Ku-Chul Jung

Sang-Hyun Ryu

Young-Woo Song

Kyu-Hwan Hwang

Joon-Gu Lee

Jae-Heung Ha

Jong-hyuk Lee

Jong-Seok Oh

Jung-Bae Lee

Sung-Hoon Kim

Seung-Chul Choi

Hyuk-Joon Kwon

Min-Su Kim

Ho-jung Kim

Chi-Hyun Cho

Kisun Lee

Hyun-Ho Choi

Jeong-Ho Lee

Tae-Soo Kim

Jong-hyun Choi

In-Kyeong Yoo

Sung-Geun Yoon

Yun-Hui Han

Youn-Sik Park

Sang-Beom Kang

Dae-Hee Jung

Yun-sang Lee

Yong-Sang Yun

Young-Sun Min

Hi-Choon Lee

Min-Jung Park

Shawn Kim

Kyu-hyoun Kim

Won-Il Bae

Mitsuru Fujii

Won-Chang Jung

Seung-Hoon Lee

Sung-Min Yim

Beom-Sig Cho

Ki-Youn Jang

Young-Hee Ha

Jong-Eon Lee

Kyung-Ha Koo

Ji-ho Seo

Joo-Sun Choi

Chul-Eun Yun

Jae-ho Han

Hyun-Deok Seo

Min-Jeong Lee

Young-Zoon Moon

Kang-Jun Ko

Sam-Ho Ihm

Seung-Young Seo

Ki-Sun Lee

Seung-Eon Ahn

Ho-Jung Kim

Chang-Jung Kim

An apparatus for wired and wireless charging of an electronic device are provided. The electronic device includes a housing, a display on a surface of the housing, a battery mounted in the housing, a circuit electrically connected with the battery, a conductive pattern positioned in the housing, electrically connected with the circuit, and configured to wirelessly transmit power to an external device, a connector on another surface of the housing and electrically connected with the circuit, a memory, and a processor electrically connected with the display, the battery, the circuit, the connector, and/or the memory. The circuit is configured to electrically connect the battery with the conductive pattern to wirelessly transmit power to the external device and electrically connect the battery with the connector to transmit power to the external device by wire, simultaneously or selectively, with wirelessly transmitting power to the external device.

Electronic device and method for wired and wireless charging in electronic device

An electronic device is provided. The electronic device includes a battery, a power management integrated circuit (PMIC), that is electrically connected to the battery, adjusts at least part of power received from the battery, and outputs a controlled power, a processor electrically connected to the PMIC, at least one power sensor that is one of electrically connected between the battery and the PMIC and constitutes a part of the PMIC, and a control circuit electrically connected to the at least one power sensor. The control circuit acquires at least one of a current value and a power value input into the PMIC from the battery, determines whether at least one of the acquired current value and power value is greater than or equal to a threshold, and generates a first signal for controlling at least one of the PMIC and the processor, at least partially based on the determination.

Electronic device for managing power and method of controlling same

A battery charging method and an electronic device are disclosed. The electronic device can comprise: a connection unit comprising a first terminal to which a voltage is applied by an external device, and a second terminal for transmitting/receiving data; a first charging unit for charging a battery connected to the electronic device by using the voltage applied to the first terminal; and a second charging unit for charging the battery by dropping the voltage applied to the first terminal according to a preset voltage drop rate. The first charging unit can comprise: a first switch connected to the first terminal; a communication unit for transmitting information through the second terminal; and a first control unit for acquiring first information on the battery voltage, controlling the communication unit such that the first information is transmitted to a charger connected to the connection unit, and controlling the first switch such that the voltage adjusted on the basis of the first information by the charger is supplied to the second charging unit through the first terminal.

Battery charging method and electronic device

An electronic device including: a housing, a battery mounted within the housing, a power interface disposed to or within the housing and configured to receive power from an external power source wirelessly or through a wire, and a circuit configured to electrically connect the battery and the power interface. The circuit includes a first electrical path configured to supply a first part of a current supply from the power interface to the battery, and a second electrical path configured to supply a second part of the current supply from the power interface to the battery and connected to the battery in parallel to the first electrical path. The circuit is configured to selectively control the current supply to the battery via the second electrical path at least partially based on at least one of a charge level of the battery or a signal from a sensor disposed in the housing.

Electronic device and method of charging a battery using a plurality of charging circuitry in the electronic device

An inductor device is provided. The inductor device includes a coil unit that includes a pair of first and second coils disposed adjacent to each other and coupled to each other, a core unit that surrounds inner and outer spaces of the coil unit, and an induction unit that is disposed in the coil unit and is induced by a magnetic field generated between the first and second coils.

Inductor device

Various embodiments relating to an electronic device and a method based on a battery leakage state have been described. According to an example embodiment, an electronic device includes a display; a communication circuit; a battery; a current sensor configured to measure a charge current used for charging the battery; and a processor, wherein the processor may be configured to measure a charge current using the current sensor, to determine a leakage state of the battery based on at least a part of the charge current, and to provide a notification corresponding to the leakage state through the display and/or perform a specified function corresponding to the leakage state based on at least a part of the leakage state.

Control method and electronic device based on battery leakage state

According to various embodiments, an electronic device for charging a battery of an external device may include a coil and a first circuit configured to wirelessly transmit power to the external device through the coil. A second circuit may be configured to wirelessly receive information from the external device. A fan may be disposed adjacent to the coil to discharge heat to the exterior of the electronic device. A control circuit may adjust the driving speed of the fan based at least in part on the received information.

Electronic device and method for controlling fan of electronic device

Provided are a battery charging method and an electronic device. The electronic device includes a connector that includes a first terminal to which a voltage is applied by an external charger and a second terminal for transmitting and receiving data, and a first charging circuit configured to charge a battery of the electronic device by using the voltage applied to the first terminal. The first charging circuit may include a communication circuit configured to transmit information related to the battery through the second terminal, a voltage converter configured to convert a voltage supplied to the battery and a first controller circuit configured to obtain first information regarding a voltage of the battery, control the communication circuit to transmit the first information to a charger connected with the connector, and control the voltage converter to charge the battery using a voltage adjusted based on the first information by the charger, if the adjusted voltage is applied to the first terminal.

Electronic device and method for charging battery

A method of performing a charging function by using different types of energy sources and an electronic device thereof are provided. The electronic device includes different types of circuits configured to acquire different types of energy sources, and a processor configured to determine an energy source for charging among the different types of energy sources based on respective current values for the different types of energy sources, and control the determined energy source for charging so as to be used in battery charging of the electronic device or in a system operation of the electronic device.

Method and apparatus for charging using multiple energy source

A method and an apparatus for rapid charging in an electronic device are provided. In a method for charging a battery of an electronic device, an operation environment of the electronic device is determined. A charging current corresponding to the operation environment of the electronic device is set. Battery charging is started using the set charging current. The battery is charged using a maximum allowed charging current, such that a battery charging time may be reduced.

Method for rapid charging and electronic device thereof

A liquid crystal display apparatus includes a backlight unit, a second polarization layer, a liquid crystal layer disposed between the backlight unit and the second polarization layer, a first polarization layer disposed between the backlight unit and the liquid crystal layer. In an embodiment, a surface of the first polarization layer facing the backlight unit includes a reflective surface and a surface of the first polarization layer facing the backlight unit includes an absorbent surface. In another embodiment, the first polarization layer includes grids, which include a metal, and absorbing members, which include dielectric materials. In another embodiment, the first polarization layer includes grids, each of which includes a first component including a dielectric material and a second component including a metal.

Liquid crystal display apparatus having grids

Growing community of inventors

Gyeonggi-do, South Korea

Chul-Woo Park