Samsung Electronics Co., Ltd.

Seagate Technology Incorporated

Byungwook Kim

Youngmi Ha

Sungjoon Cho

Hansol Choi

Kyounghoon Kim

Jungmin Lee

Jaemu Ha

Kyungmin Park

Yusu Kim

Juhyang Lee

Duhyun Kim

Ayoung Kim

Sangsu Ha

Seungbeom Kang

Seongwon Jeong

Yongsang Yun

Chihyun Cho

Kyoungwon Kim

Kuchul Jung

Jeongmin Moon

Jaeho Song

Jongkyu Lee

Kwanbae Son

Dongik Sin

Jaesung Lee

Sanghoon Lee

Mooyoung Kim

Wooram Lee

Dongzo Kim

Woong Seop Lee

Sungyong Bang

Hyunho Park

Moo-Young Kim

Hyunsik Ki

Jubeam Lee

Ki-Jong Byun

Hyungjun Kwon

DongWook Lee

Jonglin Lee

Jaekyong Choi

BongKyom Kim

NamGeun Kim

Sunggeun Park

Daeneung Kim

Boeun Lee

Ahram Kang

Haeseong Jeong

Disclosed is an electronic device including: a first authentication module configured to determine whether a driver corresponds to a valid user of a vehicle, according to an artificial intelligence (AI)-based authentication process, a control module configured to select a low-speed authentication process or a high-speed authentication process based on a speed of the vehicle, based on determining through the AI-based authentication process that the driver does not correspond to the valid user, and a second authentication module configured to determine whether the driver corresponds to the valid user, according to the authentication process selected by the control module, wherein the AI-based authentication process is configured to be performed based on a neural network configured to process sensing data collected by a sensor of at least one of the vehicle or a mobile device of the driver while the driver is using the vehicle.

Electronic device and vehicle driver authentication method by the electronic device

A method of controlling charging of a plurality of batteries and an electronic device to which the same is applied are provided. The electronic device includes a housing, a plurality of batteries arranged in the housing, a power management module that controls the plurality of batteries, a plurality of current limiting ICs that limits a maximum intensity of a current flowing into each of the plurality of batteries, and at least one processor operationally connected to the plurality of batteries, the power management module and the plurality of current limiting ICs. The at least one processor may set a total charging current output from the power management module, set an individual charging current flowing into each of the plurality of batteries in proportion to a total capacity of each of the plurality of batteries, and recalculate the individual charging currents when the total charging current changes.

Method of controlling charging of plurality of batteries and electronic device to which the same is applied

Provided a package substrate including an insulation substrate, a conductive layer provided in the insulation substrate, upper pads provided on an upper surface of the insulation substrate and electrically connected to the conductive layer, lower pads provided on a lower surface of the insulation substrate and electrically connected to the conductive layer, and at least one trench provided at a portion of the insulation substrate adjacent to at least one of the upper pads and configured to block stress, which is generated by an expansion of the insulation substrate, from spreading to the at least one of the upper pads.

Package substrate and semiconductor package including the same

A semiconductor chip includes a back end of line (BEOL) structure on a first surface of the semiconductor substrate and including a conductive connection structure and an interlayer insulating layer covering the conductive connection structure, a conductive reinforcing layer arranged on the BEOL structure, a cover insulating layer covering the conductive reinforcing layer, an under bump metal (UBM) layer including a plurality of pad connection portions connected to the conductive reinforcing layer through openings in the cover insulating layer, and a plurality of first connection bumps arranged on the plurality of pad connection portions of the UBM layer, electrically connected to one another through the conductive reinforcing layer, and located to overlap the conductive reinforcing layer. The conductive reinforcing layer has a plate shape and extends parallel to the first surface of the semiconductor substrate.

Interconnect structure and semiconductor chip including the same

A semiconductor chip includes; an intermetal dielectric (IMD) layer on a substrate, an uppermost insulation layer on the IMD layer, the uppermost insulation layer having a dielectric constant different from a dielectric constant of the IMD layer, a metal wiring in the IMD layer, the metal wiring including a via contact and a metal pattern, a metal pad in the uppermost insulation layer, the metal pad being electrically connected to the metal wiring, and a bump pad on the metal pad. An interface portion between the IMD layer and the uppermost insulation layer is disposed at a height of a portion between an upper surface and a lower surface of an uppermost metal pattern in the IMD layer.

Semiconductor chip and semiconductor package

According to various embodiments, an electronic device comprises a battery, a wireless interface including a coil and configured to wirelessly transmit electric power from the battery via the coil, and at least one processor configured to: perform a wireless charging function of wirelessly transmitting electric power to an external device via the wireless interface, while neither the electronic device nor the external device is being supplied with electric power from an external power source via a wire, and based on identifying that the external device starts being supplied with electric power from an external power source via a wire while performing the wireless charging function, stop performing the wireless charging function of wirelessly transmitting electric power to the external device.

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

An electronic device is provided. The electronic device includes a housing, a power interface exposed through at least a portion of the housing to be connected to an external power source in a wired manner or disposed inside the housing to be connected to the external power source in a wireless manner, at least one battery disposed inside the housing and electrically connected to the power interface, a processor disposed inside the housing and operatively connected to the power interface, and a memory disposed inside the housing and operatively connected to the processor. The memory stores instructions that, when executed, causes the processor to, in a state in which an external power is supplied through the power interface, when a voltage of the battery reaches a first voltage value, lower the voltage of the battery to a second voltage value lower than the first voltage value by discharging the battery after a first time has elapsed from a time point at which the voltage of the battery reaches the first voltage value.

Method of controlling charging of battery and electronic device to which the method is applied

A method of controlling a plurality of batteries and an electronic device to which the same is applied. The electronic device includes a housing and a plurality of batteries. The electronic device also includes a power management module, a plurality of current limiting ICs, and a processor operationally connected to the plurality of batteries, the power management module and the plurality of current limiting ICs. The processor is configured to sense a sum of the currents flowing into the plurality of batteries or a voltage of the power management module, perform a primary end of reducing a magnitude of the sum of the currents flowing into the plurality of batteries, sense the currents or voltages of the plurality of batteries, and perform a secondary end of blocking a current flowing into a battery.

Method of controlling plurality of batteries and electronic device to which the same is applied

An electronic device is provided. The electronic device includes a housing, a first battery and a second battery arranged in the housing, a power management module, a first temperature sensor, a second temperature sensor, a first current limiting integrated circuit (IC) configured to limit a maximum intensity of a first current flowing into the first battery, a second current limiting IC configured to limit a maximum intensity of a second current flowing into the second battery, and a processor. The processor may determine whether the first temperature or the second temperature is outside a specified temperature range and, when the first temperature is outside of the specified temperature range, control the first current limiting IC to reduce a magnitude of the first current.

Method of controlling charging of plurality of batteries and electronic device to which the method is applied

A method and an apparatus for detecting a battery state of an electronic device are provided. The electronic device includes a battery, a charger circuit for charging the battery, a measurement circuit for checking a state of the battery, and a processor configured to charge the battery using the charger circuit, determine whether the charging operation satisfies a preset condition, when the charging operation satisfies the preset condition, obtain first state information of the battery using the measurement circuit, determine an abnormal state of the battery at least based on a difference between the first state information and second state information which is obtained when the preset condition is satisfied before the first state information is acquired, and output notification information regarding the abnormal state.

Method and apparatus for determining abnormal state of battery

An electronic device including a battery, a wireless interface operatively or electrically connected with the battery, a display, a memory, and a processor, wherein the processor is configured to: detect an event while the electronic device is in contact with or is connected to another electronic device via the wireless interface and wirelessly charging-shares power of the battery with the another electronic device via the wireless interface; turn off a wireless charging-sharing function when the event corresponds to a predetermined condition; provide a user notification about the turning-off of the wireless charging-sharing function via the display; and turn on the wireless charging-sharing function when a state of the electronic device corresponds to a wireless charging-sharing condition. The various embodiments also a method of operating the electronic device. Various embodiments are also possible.

Device and method for providing user interface according to wireless power-sharing

Various embodiments of the disclosure relate to an apparatus and method for preventing overcharging of a battery. In this case, the electronic device includes a battery, at least one processor, and a memory electrically coupled to the at least one processor. The memory may store instructions, when executed, allowing the at least one processor to set a charge safety time corresponding to an external device upon connection with the external power device, charge the battery, based at least in part on power of the external power device, and update the charge safety time, based on a change of at least one of charging current and discharging current of the battery. Other embodiments may also be possible.

Method for preventing overcharging of battery and electronic device therefor

An electronic device and method are provided for frequency interference cancellation. The electronic device includes a coil, a wireless power receive circuit, a charging circuit, a display, and a processor. The processor may be configured to perform wireless charging with power wirelessly received from a wireless charger, change, via the charging circuit, a charging current of the electronic device from an initial current level to a first current level, based on the display being switched on during wireless charging, change, via the wireless power receive circuit, a charging voltage of the electronic device from an initial voltage level to a first voltage level, transmit, via the coil, a packet for changing a charging voltage of the wireless charger, change, via the wireless power receive circuit, the charging voltage of the electronic device to a second voltage level upon transmission of the packet, and change the charging current to the initial current level.

Electronic device and frequency interference cancellation method thereof

Growing community of inventors

Suwon-si, South Korea

Byungwook Kim