Abstract: A quantum dot including a core that includes a first semiconductor nanocrystal including zinc and selenium, and optionally sulfur and/or tellurium, and a shell that includes a second semiconductor nanocrystal including zinc, and at least one of sulfur or selenium is disclosed. The quantum dot has an average particle diameter of greater than or equal to about 13 nm, an emission peak wavelength in a range of about 440 nm to about 470 nm, and a full width at half maximum (FWHM) of an emission wavelength of less than about 25 nm. A method for preparing the quantum dot, a quantum dot-polymer composite including the quantum dot, and an electronic device including the quantum dot is also disclosed.

Abstract: A quantum dot light-emitting device including first electrode and a second electrode, a quantum dot layer between the first electrode and the second electrode, a first electron transport layer and a second electron layer disposed between the quantum dot layer and the second electrode. The second electron transport layer is disposed between the quantum dot layer and the first electron transport layer, wherein each of the first electron transport layer and the second electron transport layer includes an inorganic material. A lowest unoccupied molecular orbital energy level of the second electron transport layer is shallower than a lowest unoccupied molecular orbital energy level of the first electron transport layer, and a lowest unoccupied molecular orbital energy level of the quantum dot layer is shallower than a lowest unoccupied molecular orbital energy level of the second electron transport layer. An electronic device including the quantum dot light-emitting device.

Abstract: A messenger application for a second account related to at least one account in an instant messaging service receives, from a server, a list of at least one first account for which a video is registered and recommends a first account using a list view that shows the list of the at least one first account distinguished from a list of the at least one account.

Abstract: A messenger application for a second account related to at least one account in an instant messaging service receives, from a server, a list of at least one first account for which a video is registered and recommends a first account using a list view that shows the list of the at least one first account distinguished from a list of the at least one account.

Abstract: There is provided a cell driven by an electric field including a first electrode and a second electrode spaced from each other and an actuator moving between the first electrode and the second electrode. The actuator does not have permanent electric charges and a DC voltage or a pulse voltage is applied to the first electrode and the second electrode.

Abstract: The present disclosure relates to an apparatus for driving an electric field driven cell array including a plurality of electric field driven cells, in which each of the electric field driven cells includes a first electrode, a second electrode, and a third electrode, which are provided on a substrate and insulated from one another, and an actuator movable between the first electrode and the second electrode, the apparatus including, a common voltage supply unit for supplying common voltage, a gate driver for supplying gate voltage, and a data driver for supplying data voltage.

Abstract: There is provided a cell driven by an electric field including a first electrode and a second electrode spaced from each other and an actuator moving between the first electrode and the second electrode. The actuator does not have permanent electric charges and a DC voltage or a pulse voltage is applied to the first electrode and the second electrode.

Abstract: The present disclosure relates to an apparatus for driving an electric field driven cell array including a plurality of electric field driven cells, in which each of the electric field driven cells includes a first electrode, a second electrode, and a third electrode, which are provided on a substrate and insulated from one another, and an actuator movable between the first electrode and the second electrode, the apparatus including, a common voltage supply unit for supplying common voltage, a gate driver for supplying gate voltage, and a data driver for supplying data voltage.

Abstract: An analyzing system for measuring and analyzing communication traffic of a network and an analyzing method using the analyzing system are provided. The system includes a data measurement module configured to capture data that influences a change in communication traffic in a network; a measured data functionizing module configured to obtain a probability density or a cumulative distribution; a distribution function database configured to store function information on theoretically generalized distribution; a parameter decision module configured to apply the data to the function information and to decide parameters; and a suitability check module configured to select information similar to the probability density or the cumulative distribution from among the function information.

Abstract: An analyzing system for measuring and analyzing communication traffic of a network and an analyzing method using the analyzing system are provided. The system includes a data measurement module configured to capture data that influences a change in communication traffic in a network; a measured data functionizing module configured to obtain a probability density or a cumulative distribution; a distribution function database configured to store function information on theoretically generalized distribution; a parameter decision module configured to apply the data to the function information and to decide parameters; and a suitability check module configured to select information similar to the probability density or the cumulative distribution from among the function information.