Samsung Electronics Co., Ltd.

Wooseok Jang

Seongmin Je

Dongho Jang

Kyungdong Kim

Youna Lee

Daesup Kim

Dongkuk Lee

Moonsung Na

Cholwoo Lee

Euiheon Jeong

Dongmyung Shin

Seungmin Ha

Sunghyuk Lee

Jinsu Jo

Sangchul Baek

Jongkeun Choi

Kyungduk Kim

Sunhwan Hwang

Sungwook Won

Hyoungcheol Cho

Beomsoo Cho

An electronic device is provided. The electronic device includes a communication module, a memory for storing instructions, and a processor, wherein the processor is configured to execute the instructions such that the electronic device identifies owner information of first content in response to a content ownership transfer request, transmits, to a blockchain network, transaction data for transferring the ownership of the first content, on the basis of the owner information of the first content, and transmits the first content to an external electronic device, wherein the transaction data may be regarding a transaction of transferring the ownership of a token related to the first content.

Electronic device for managing right by using decentralized network, and operation method thereof

An ultraviolet (UV) light source includes: a substrate coupled to an upper housing; a light-emitting diode (LED) package on the substrate; and a waterproof coating layer on at least a portion of the substrate, wherein the LED package includes: an LED chip configured to generate UV light; and a transparent layer including a lower surface facing the LED chip, an upper surface opposite to the lower surface, and a lateral surface connecting the upper surface to the lower surface, wherein at least a portion of the upper surface of the transparent layer is exposed from the waterproof coating layer, and the transparent layer is configured to directly contact a sterilization-target fluid.

Ultraviolet (UV) light source including light-emitting diode (LED) package with waterproof coating layer

A semiconductor light emitting device is provided. The device includes: an LED chip having a lower surface, an upper surface, and a side surface between the upper surface and the lower surface; first and second conductive bumps disposed on first and second conductive bumps provided on the lower surface; a first wavelength conversion layer having a first region provided on the upper surface of the LED chip and a second region which extends past the side surface of the LED chip; a second wavelength conversion layer having a first surface contacting the side surface of the LED chip, a second surface, a third surface connecting the first surface and the second surface, and contacting the second region, and a fourth surface located opposite to the third surface and inclined; and a reflective resin portion provided on the lower surface of the LED chip and the fourth surface.

Semiconductor light emitting device

An electronic device is provided. The electronic device includes a communication device for transmitting or receiving a signal, a memory, and a processor connected to the communication device and the memory. The memory may store instructions for controlling the communication device so as to cause the processor to generate a key pair including a public key and a private key, receive authentication information from an authentication server by using the communication device, generate signature data by electronically signing the authentication information on the basis of the private key, generate transaction data including the signature data, transmit the transaction data to a blockchain network, and transmit transaction identification information corresponding to the transaction data to the authentication server.

Electronic authentication device and method using blockchain

An electronic device is provided. The electronic device includes a memory, a communication circuit, a display, and a processor connected to the memory, the communication circuit, and the display, wherein the memory stores instructions which, when executed, cause the processor to acquire device information relating to a plurality of external electronic devices, on the basis of the device information, select a plurality of distribution storage devices for storing a distribution key from among the plurality of external electronic devices, generate a plurality of distribution keys obtained by dividing mnemonic information or a seed value for generating a key for electronically signing data to be transmitted to a blockchain network, and control the communication circuit such that the plurality of distribution keys are distributed and transmitted to the plurality of distribution storage devices.

Method for storing and recovering key for blockchain-based system, and device therefor

An electronic device for changing a notification mode and a method therefor are provided. The electronic device includes communication circuitry, at least one processor, and a memory. The memory stores instructions, when executed, configured to cause the at least one processor to establish communication with a wearable device through the communication circuitry, and upon identifying a change in an operation state of the wearable device, change from a first notification mode of the electronic device to a second notification mode according to the identified operation state of the wearable device.

Electronic device and method of controlling electronic device

The present invention relates to an electronic device and a payment method using the same. The electronic device comprises at least a processor, memory, and touch screen display, the memory storing a call application including a first user interface, a payment application, and instructions which cause the processor to: display the first user interface of the call application on the touch screen display; receive a phone number or indication of the phone number through the first user interface from a user; request a call connection to the phone number; receive data associated with to the phone number from a first server while the request is being made, the data including a currently available item; display the item on an interface while the request is being made; display an input button associated with the payment application; receive an input selecting the input button; and execute the payment application.

Electronic device and payment method using same

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Yongin-si, South Korea

Wooseok Jang