Abstract: An ionic wind generator and an electronic device having a heat dissipation function using the same are proposed. The ionic wind generator includes a power module; a first electrode configured to receive power from the power module by being connected to the power module to become an emitter electrode; and a second electrode spaced apart from the first electrode and grounded and at the same time connected to the power module to become a counter electrode. In addition, the first electrode is configured as a carbon brush including multiple carbon fibers. Accordingly, in the ionic wind generator, the emitter electrode is configured as the carbon brush having multiple carbon fibers.

Abstract: A dialogue management method, a dialogue management system and a non-transitory computer-readable recording medium may obtain, from a screen displayed via a user terminal, information required for executing a task corresponding to a user's speech input, and omit operations of inducing, receiving, and analyzing additional user's speech inputs.

Abstract: Embodiments provide a fused polycyclic compound and a light emitting device including the fused polycyclic compound.

Abstract: Provided is an electrostatic dust filter including a frame that is opened back and forth and forms a space through which air passes, a chemical absorbent that is accommodated in the space and absorbs harmful substance in the air, a mesh member that covers the front of the frame and has a plurality of pores through which the air passes, a ground electrode that covers the rear of the frame and has the plurality of pores through which the air passes, and is grounded, and a voltage electrode that is disposed to opposite to the ground electrode with respect to the mesh member and applied with a high voltage.

Abstract: A pixel circuit includes: a light emitting element; a driving transistor to generate a driving current; a write transistor including a control electrode to receive a write gate signal, a first electrode to receive a data voltage, and a second electrode connected to a first electrode of a storage capacitor; a first compensation transistor including a control electrode to receive a compensation gate signal, a first electrode connected to a control electrode of the driving transistor, and a second electrode connected to a first electrode of the driving transistor; the storage capacitor including the first electrode connected to the second electrode of the write transistor, and a second electrode connected to the control electrode of the driving transistor; and a test transistor including a control electrode, a first electrode to receive the data voltage, and a second electrode connected to a second electrode of the driving transistor.

Abstract: A speech recognition system includes: a speech processor configured to identify an intention of a user included in an utterance of the user; a controller configured to identify whether a function corresponding to the intention of the utterance is performable, and if the function corresponding to the intention of the utterance is not performable, generate spoken text for requesting an other speech recognition system to perform the function corresponding to the intention of the user; and an utterance generator configured to convert the spoken text into a speech signal of an inaudible frequency band.

Abstract: A heat exchanger is provided that may include a plurality of refrigerant tubes through which refrigerant flows, a fin disposed between adjacent refrigerant tubes to conduct heat, and a sacrificial sheet provided between a refrigerant tube of the plurality of refrigerant tubes and the fin and configured such that a first surface thereof contacts the refrigerant tube and a second surface thereof contacts the fin. A corrosion potential of the sacrificial sheet may be lower than a corrosion potential of the refrigerant tube.

Abstract: A display apparatus includes a display panel including a pixel, a gate driver providing a gate signal to the pixel, a data driver providing a data voltage to the pixel and an emission driver providing an emission signal to the pixel. The pixel includes a driving switching element applying a driving current to the light emitting element, a storage capacitor connected to the driving switching element, a bias capacitor connected to the storage capacitor and receiving a bias gate signal, a threshold voltage compensation switching element connected to an electrode of the driving switching element and a light emitting element initialization switching element connected to an electrode of the light emitting element. A control signal applied to an electrode of the threshold voltage compensation switching element and a control signal applied to an electrode of the light emitting element initialization switching element are generated from different signal generators.

Abstract: A pixel includes: a light emitting diode; a first transistor; a first capacitor connected between a first node and a gate electrode of the first transistor; a second transistor including a first electrode electrically connected to the gate electrode of the first transistor, a second electrode and a gate electrode which receives a first scan signal; and a third transistor including a first electrode electrically connected to the second electrode of the second transistor, a second electrode electrically connected to a third voltage line, and a gate electrode which receives a second scan signal. During an initialization period, an initialization voltage provided from the third voltage line is provided to the gate electrode of the first transistor through the third and second transistors, and, when the initialization period is terminated, at least one of the second transistor and the third transistor is turned off.

Abstract: Disclosed is an electronic device. The electronic device comprises: a first image sensor and a second image sensor; and a processor which alternately performs a first image capture mode, in which a plurality of captured images are acquired by controlling the respective exposure times of the first image sensor and the second image sensor differently, and a second imager capture mode, in which a plurality of captured images are acquired by controlling the respective exposure times of the first image sensor and the second image sensor identically, identifies an object by using the plurality of captured images acquired in the first image capture mode, and acquires distance information about the identified object on the basis of the plurality of captured images acquired in the second image capture mode.

Abstract: An apparatus for generating an emoji includes an analyzer that is configured to, in response to an utterance of a user being input, acquire at least one of context information or information about a sentiment of the user. AN emoji generator generates a new emoji based on emoji generation information including information related to at least two among the context information, the information about the sentiment of the user, and information about an intent of the user corresponding to the utterance. The emoji generator is configured to select a plurality of emojis that match the emoji generation information from among a plurality of stored emojis and combine at least some of the plurality of emojis to generate the new emoji.

Abstract: Disclosed is a video processing system including multiple unmanned aerial vehicles (UAVs) configured to capture a video of a fire site, wherein each UAV has a control unit including an input layer and a first hidden layer (hidden layer 1) and a central server connected to the multiple UAVs by wireless communication, wherein the central server includes multiple hidden layers and an output layer. The video processing system performs a learning process to determine whether a fire has occurred using a feature map in which an original video is difficult to recognize and personal information is protected. Thus, it is possible to fundamentally prevent the exposure and infringement of personal information.

Abstract: A server includes a communicator and a controller configured to acquire battery status information of each of a plurality of batteries through the communicator, acquire target device information from a user terminal through the communicator, determine a battery from the plurality of batteries having a lifespan corresponding to a required output of a target device among the plurality of batteries as a recommended battery based on the battery status information and the target device information, and control the communicator to transmit information on the recommended battery to the user terminal.

Abstract: A semiconductor device is provided.

Abstract: A server, a personal mobility communicating with the server and a vehicle are provided. The server includes a transceiver that communicates with vehicles and a plurality of personal mobility. A controller sets a geo-fence area based on a size information of the vehicles and a size information of the plurality of personal mobility during cluster driving. The controller determines driving positions of the vehicles as primary in the set geo-fence area based on the size information of the vehicles, determines driving positions of the plurality of personal mobility as secondary in the set geo-fence area based on the size information of the plurality of personal mobility and adjusts layout information for the driving positions determined as the primary and the secondary to be transmitted to the vehicles and the plurality of personal mobility.

Abstract: A personal mobility device includes a helmet, for example, when renting the personal mobility device, and can improve user safety based on an output of a sensor provided in the helmet. The personal mobility device further includes: a transceiver; a helmet storage device in which the helmet provided with at least one sensor is stored; and a controller configured to control the transceiver to be wirelessly connected to the helmet when receiving a signal indicating separation between the helmet storage device and the helmet from the helmet storage device, and to control the transceiver to transmit a signal requesting the activation of the at least one sensor to the helmet.