ELECTRONIC DEVICE FOR MANAGING RIGHT BY USING DECENTRALIZED NETWORK, AND OPERATION METHOD THEREOF

    公开(公告)号:US20230231701A1

    公开(公告)日:2023-07-20

    申请号:US18185885

    申请日:2023-03-17

    CPC classification number: H04L9/0825 H04L9/3247 H04L2209/603

    Abstract: 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 AND PAYMENT METHOD USING SAME

    公开(公告)号:US20210216992A1

    公开(公告)日:2021-07-15

    申请号:US16477034

    申请日:2018-01-31

    Abstract: The present invention relates to an electronic device and a payment method using the same. According to various examples of the present invention, the electronic device comprises: a housing; a touch screen display exposed through a part of the housing; at least one wireless communication circuit positioned inside the housing; a processor positioned inside the housing and is electrically connected to the touch screen display and the wireless communication circuit; and a memory positioned inside the housing and is electrically connected to the processor, wherein the memory stores a call application including a first user interface and a payment application including a second user interface, wherein the memory stores instructions that, when executed, cause the processor to: display the first user interface of the call application on the touch screen display; receive a phone number or an indication of the phone number through the first user interface from a user; make a request for a call connection to the phone number through the wireless communication circuit; receive data associated with the phone number from a first server through the wireless communication circuit while the request for the call connection is being made, the data including a currently available item for a selected period; display the item on the first user interface while the request for the call connection is being made; display an input button associated with the payment application on the first user interface while the request for the call connection is being made; receive an input for selecting the input button through the first user interface; and execute the payment application program.

    METHOD FOR STORING AND RECOVERING KEY FOR BLOCKCHAIN-BASED SYSTEM, AND DEVICE THEREFOR

    公开(公告)号:US20220239509A1

    公开(公告)日:2022-07-28

    申请号:US17722888

    申请日:2022-04-18

    Abstract: 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.

    ELECTRONIC AUTHENTICATION DEVICE AND METHOD USING BLOCKCHAIN

    公开(公告)号:US20220141036A1

    公开(公告)日:2022-05-05

    申请号:US17577897

    申请日:2022-01-18

    Abstract: 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 DEVICE AND METHOD OF CONTROLLING ELECTRONIC DEVICE

    公开(公告)号:US20190357021A1

    公开(公告)日:2019-11-21

    申请号:US16415429

    申请日:2019-05-17

    Abstract: 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

    公开(公告)号:US20230239664A1

    公开(公告)日:2023-07-27

    申请号:US18193132

    申请日:2023-03-30

    CPC classification number: H04W4/20 G08B5/228 H04B1/385

    Abstract: 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.

    SEMICONDUCTOR LIGHT EMITTING DEVICE

    公开(公告)号:US20220246805A1

    公开(公告)日:2022-08-04

    申请号:US17483118

    申请日:2021-09-23

    Abstract: 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.

    ELECTRONIC DEVICE AND METHOD FOR PROVIDING DIGITAL SIGNATURE SERVICE OF BLOCK CHAIN USING THE SAME

    公开(公告)号:US20200265418A1

    公开(公告)日:2020-08-20

    申请号:US16794557

    申请日:2020-02-19

    Abstract: An electronic device may include: a communication circuit configured to communicate with an external electronic device, a display, a memory, and at least one processor electrically connected to the communication circuit, the display, and the memory, wherein the at least one processor is configured to operate a normal OS and a secure OS, and the memory stores instructions which, when executed, cause the at least one processor to control the electronic device to: receive a signature request message corresponding to a block chain through the communication circuit in the normal OS, drive block chain management software in response to receiving the signature request message, transfer the signature request message to the secure OS through the block chain management software, configure a user authentication request screen based on a trusted application being driven in the secure OS to output the user authentication request screen to the display, create a digital signature on the signature request message in the secure OS reflecting a private key stored in the memory in response to receiving a user authentication input for the digital signature, and transfer the digitally signed message to an application related to a block chain network in the normal OS through the block chain management software.

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