Samsung Electronics Co., Ltd.

Korea Institute of Science and Technology

Korea Research Institute of Bioscience and Biotechnology

Hong Hee Kim

Won-Kook Choi

Kwang-Jin Park

Sangsoo Jeong

Songyean Cho

Hyejeong Kim

Hye Jeong Kim

Bum-Joon Kim

Yeonju Lee

Yunsang Park

Kwang Jin Park

Yun-Gyu Bae

Harkkyu Park

Dong-Jin Park

Yi Ha Yoon

Young Hwan Ko

Jeong-Sam Koh

Sun-hyun Kim

Hyang Burm Lee

Jin Soo Han

Eun-Hyun Kwon

Chang-Jin Kim

Disclosed are a zinc oxide-polycyclic aromatic hydrocarbon quantum dot capable of blue light emission in which ZnO is combined with a polycyclic aromatic hydrocarbon having a blue light emitting characteristic to realize a quantum dot of a core-shell structure and electron emission transition is induced to proceed within the polycyclic aromatic hydrocarbon so that the purity of blue light emission is improved, and a manufacturing method thereof. The zinc oxide-polycyclic aromatic hydrocarbon quantum dot capable of blue light emission includes a core-shell structure of zinc oxide-polycyclic aromatic hydrocarbon (ZnO-PAH) quantum dot in which the ZnO quantum dot and the PAH are combined, the ZnO-PAH quantum dot includes an energy level in a form of a Type II structure or a quasi-Type II structure.

Zinc oxide-polycyclic aromatic hydrocarbon quantum dot capable of blue light emission and manufacturing method thereof

Disclosed is a zinc oxide-based quantum dot aggregate capable of emitting white light is a mixture of a zinc oxide quantum dot and a zinc oxide-graphene quantum dot, in which the zinc oxide quantum dot emits yellow light when being irradiated with an excitation wavelength shorter than a wavelength corresponding to an energy band gap of the zinc oxide quantum dot, the zinc oxide-graphene quantum dot is in a form in which a zinc oxide quantum dot is bound with graphene via a Zn&#x2014;O&#x2014;C bond and emits blue-based light, and white light emission is possible through color rendering of yellow light emission by the zinc oxide quantum dot and blue-based light emission by the zinc oxide-graphene quantum dot.

Zinc oxide-based quantum dot aggregate capable of emitting white light

A method for transmitting and receiving a signal by a terminal in a mobile communication system is provided. The method includes transmitting a first message including information related to a service to a core network, receiving a response to the first message from the core network, and transmitting or receiving traffic related to the service based on the response.

Method and apparatus for providing service in user equipment of mobile communication system

An electronic device for providing a packet-based voice call function is provided. The electronic device includes a transmit antenna; a receive antenna; and a communication circuit configured to establish an uplink channel using the transmit antenna, establish a downlink channel using the receive antenna, perform a packet-based voice call using the uplink channel and the downlink channel, obtain information associated with the downlink channel, determine a download schedule based on the obtained information associated with the downlink channel, determine a time required from a transmission request to a base station to a grant time, and transmit a voice packet over the uplink channel based on the download schedule and the time required from the transmission request to the base station to a grant time.

Method and apparatus for controlling data transmission in voice call over packet-switched network

Various embodiments of the present disclosure relate to an apparatus and method for transmitting capability information in an electronic device. Here, an electronic device may include: a memory configured to store a parameter corresponding to a wireless communication connection scheme which can be supported by the electronic device; a communication module, and a processor. The processor is configured to check first capability information on a plurality of connection schemes that can be supported by an external electronic device. The processor is further configured to select, based on the first capability information and the parameter, second capability information including at least one connection scheme that can be supported by the electronic device among the plurality of connection schemes. The processor is further configured to generate a message using the selected second capability information; and transmit the message to the external electronic device, using the communication module. Other embodiments can be made.

Method and apparatus for managing capability of electronic device in wireless communication system

An apparatus and method for reducing power consumption in a portable terminal are provided. The apparatus includes a display unit for displaying at least one indicator that indicates status information measured by a slave processor, a master processor for controlling one of ON and OFF of the display unit and for providing image data to the display unit, and the slave processor for transmitting to the master processor indicator update information for updating the at least one indicator, wherein transmission to the master processor of the indicator update information is discontinued if the status of the display unit is OFF.

Apparatus and method for reducing power consumption caused by communication between processors in portable terminal

An electronic device and method for displaying phone call content are provided. The electronic device includes a communication unit configured to transmit and receive voice data during a phone call connection, an audio unit configured to input and output voice data, an input unit configured to receive a user input, a controller configured to determine whether a connected phone call corresponds to an automatic response system (ARS) phone call, and convert received voice data into text data when the connected phone call corresponds to the ARS phone call, and a display unit configured to display the converted text data.

Electronic device and method for displaying phone call content

A method for connecting to a network from a mobile terminal capable of forming a high-performance radio channel in a Universal Mobile Telecommunication System (UMTS), and an apparatus implementing the same are provided. The method includes transmitting a Radio Resource Control (RRC) connection request message indicating a first release version to the network, receiving an RRC connection setup message indicating a second release version from the network, comparing the first and second release versions, determining whether there is a third release version lower than the first release version and higher than the second release version when the second release version differs from the first, and, if there is the third release version lower than the first release version and higher than the second release version, transmitting an RRC connection request message indicating the third release version to the network when the second release version differs from the first release version.

Method and apparatus for connecting to network from mobile terminal

An apparatus and method for reducing power consumption in a multi-mode portable terminal are provided. The apparatus includes a Subscriber Identity Module (SIM) management unit and a control unit. The SIM management unit is configured to determine whether there are multiple SIM cards of the same serving cell in a portable terminal supporting a plurality of RF modules and a plurality of SIM cards. The control unit is configured to activate only one RF module corresponding to the SIM cards of the same serving cell when receiving information of the SIM cards of the same serving cell from the SIM management unit.

Apparatus and method for reducing power consumption in multi-mode portable terminal

An apparatus and method for Equivalent Public Land Mobile Network (EPLMN) list management in a mobile terminal are provided. The method includes receiving a message from a network after storing an EPLMN list having at least one PLMN entry, determining whether an EPLMN list is present in the received message, and performing EPLMN list management by maintaining, when an EPLMN list is not present in the received message, the stored EPLMN list. As a result, the mobile terminal may retain an accurate EPLMN list and efficiently perform cell selection/reselection.

Method and apparatus for EPLMN list management in mobile terminal

A mobile communication device including Subscriber Identification Module (SIM) cards, and various methods for searching for a Public Land Mobile Network (PLMN) for each SIM card, are provided. In one method, the device separately starts Home PLMN (HPLMN) timers according to corresponding HPLMN timer values stored respectively in the SIM cards, performs a PLMN search for one of the SIM cards at an expiry of a corresponding one of the HPLMN timers, and updates a PLMN list with one or more PLMNs found during the PLMN search. The device then determines, for all of the SIM cards, whether the PLMN list contains any PLMN with a higher priority than a currently registered PLMN. Also, the device performs, for any SIM card of the SIM cards in which there is any PLMN with the higher priority than the currently registered PLMN, a location registration in the PLMN with the higher priority.

Mobile communication device having plurality of subscriber identification module (SIM) cards and method for selecting public land mobile network (PLMN) in the device

Disclosed is a method for identifyingspecies using groEL2 gene that can compensate for drawbacks of conventional methods of morphologic classification and 16S rDNA identification being time-consuming, unfaithful, and expensive, thus enabling to efficiently identifyspecies.

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Seoul, South Korea

Hong Hee Kim