Abstract: A display device includes a substrate having a light emission area, a light emitting element layer including a light emitting element on the light emission area, and an sensing layer on the light emitting element layer and including a sensing electrode having a first opening overlapping the light emission area, a first refraction layer directly on the sensing electrode and having a second opening overlapping the light emission area, and a second refraction layer on the light emitting element layer and the first refraction layer, a first optical refractive index of the first refraction layer being less than a second optical refraction index of the second refraction layer.

Abstract: The present invention relates to a magnetorheological fluid. The magnetorheological fluid according to the present invention is a magnetorheological fluid whose flow characteristics change in response to the application of an external magnetic field, the magnetorheological fluid including: a dispersion medium containing oil; magnetic particles; and an additive, wherein the oil has a triglyceride structure composed of ester bonds between glycerol and fatty acid.

Abstract: The present invention relates to a tactile keyboard and a tactile input device. The tactile keyboard according to the present invention, which includes a plurality of keys, comprises a base portion providing a region on which the plurality of keys are arranged, wherein at least one of the keys comprises: a magnetic field generator which is arranged on the base portion; a cap portion which provides one surface so that a user comes in contact with the surface to apply an external force; an elastic portion which is disposed between the base portion and the cap portion and elastically supports the cap portion; and a motion portion which is at least partially connected to the cap portion and includes an elastic material, in which magnetic particles are distributed in a matrix.

Abstract: An electronic device includes a display panel including a folding area and a non-folding area which is adjacent to the folding area along a first direction, and a support member facing the display panel. The support member includes in order from the display panel, an upper plate which faces the folding area and the non-folding area, has a thickness and in which are defined a plurality of openings corresponding to the folding area, and a lower plate having a thickness which is greater than the thickness of the upper plate and including a first lower plate and a second lower plate each corresponding to the folding area and the non-folding area. At the folding area, the second lower plate is spaced apart from the first lower plate by a gap along the first direction.

Abstract: Provided is a haptic device including a medium for receiving a digital sound signal from a portable terminal, a digital-to-analog converter (DAC) for receiving the digital sound signal from the medium and converting the digital sound signal into an analog signal, a sound outputter for receiving the analog signal and outputting sound, and a haptic actuator driven by receiving the analog signal.

Abstract: A vehicle sensor cleaning apparatus and a control method of the vehicle sensor cleaning apparatus are disclosed. The vehicle sensor cleaning apparatus includes a washer pump motor configured to spray washer fluid on at least one sensor located in a vehicle, and a liquid controller configured to control the washer pump motor. The liquid controller is further configured to stop the washer pump motor from operating for a predefined idle time when a number of operations of the washer pump motor reaches a predefined maximum number of operations.

Abstract: A vehicle sensor cleaning apparatus and a control method of the vehicle sensor cleaning apparatus are disclosed. The vehicle sensor cleaning apparatus includes a liquid sprayer configured to spray washer fluid at at least one sensor located in a vehicle through a motor drive, an air sprayer configured to spray air at the at least one sensor, a liquid controller configured to control washer fluid spraying by the liquid sprayer according to a cleaning request signal received from a vehicle controller, and an air controller configured to control air spraying by the air sprayer according to a cleaning request signal received from the vehicle controller.

Abstract: A vehicle sensor cleaning apparatus and a control method of the vehicle sensor cleaning apparatus are disclosed. The vehicle sensor cleaning apparatus includes a liquid controller configured to control washer fluid spraying to at least one sensor located in a vehicle, and an air controller configured to control air spraying to at least one sensor located in the vehicle, wherein the liquid controller and/or the air controller are further configured to dynamically adjust a duty cycle of a control signal according to vehicle speed and/or an amount of rain.

Abstract: A method of providing a mobile device with information of an incoming message using a tactile signal is provided. The method includes receiving the incoming message at the mobile device, determining at least one type of the tactile signal for the information of the incoming message based on a selected setting, transforming the information of the incoming message into the at least one type of the tactile signal, activating the at least one type of the tactile signal, and providing the mobile device with the information of the incoming message using the activated at least one type of the tactile signal.

Abstract: An apparatus for controlling a discharge pressure of a fluid includes: a pump configured to suck the fluid through an inlet or to discharge the sucked fluid through an outlet; a distributor connected to the pump and to an injection nozzle provided by a sensor and configured to distribute the fluid discharged from the pump to the sensor; and a controller. The controller is configured to control the pump to operate selectively in accordance with detection of contamination of the sensor and to control operation of the distributor to be forcibly delayed during operation of the pump such that the fluid distributed to the sensor, when detected as being contaminated, is controlled to reach a selected required discharge pressure of different required discharge pressures selected in accordance with water amount information and a degree of contamination of the sensor.

Abstract: A display device includes a substrate having a light emission area, a light emitting element layer including a light emitting element on the light emission area, and an sensing layer on the light emitting element layer and including a sensing electrode having a first opening overlapping the light emission area, a first refraction layer directly on the sensing electrode and having a second opening overlapping the light emission area, and a second refraction layer on the light emitting element layer and the first refraction layer, a first optical refractive index of the first refraction layer being less than a second optical refraction index of the second refraction layer.

Abstract: The present invention relates to a tactile message providing method and a tactile message providing device. The tactile message providing method in a mobile device includes driving a tactile message program in a first mobile device, receiving a tactile pattern in the first mobile device, converting the tactile pattern into a tactile signal, and transmitting the tactile signal to a second mobile device. The tactile message program includes a tactile switch icon, and the tactile switch icon switches a text input window to a tactile pattern input window and the tactile pattern input window receives the tactile pattern to generate a digital signal.

Abstract: A button type actuator according to one embodiment may comprise: a case; a button part having at least a part which is moved with respect to the case by a user's pressure; a vibrator connected to the button part and including a magnetic body; and a coil for generating a magnetic field on the vibrator.

Abstract: Disclosed are an electrolyte solution for a lithium secondary battery capable of improving the output and lifespan characteristics at high temperature of a lithium secondary battery, and a lithium secondary battery including the same. An electrolyte solution for a lithium secondary battery includes a lithium salt, a solvent, and a functional additive, and in particular, the functional additive includes (4-(1H-1,2,4-triazol-1-yl)phenyl)(fluorosulfonyl)sulfamoyl fluoride.

Abstract: The present disclosure relates to an electrolyte solution for a lithium secondary battery capable of improving the output and lifespan characteristics at high temperature of a lithium secondary battery, and a lithium secondary battery including the same. An electrolyte solution for a lithium secondary battery includes a lithium salt, a solvent, and a functional additive, wherein the functional additive includes a positive-electrode film additive, which is 3-(4-cyano-5-(4-nitrophenyl)-1H-1,2,3-triazol-1-yl)propyl methanesulfonate.

Abstract: The present disclosure relates to an electrolyte solution for a lithium secondary battery capable of improving the output and lifespan characteristics at high temperature of a lithium secondary battery, and a lithium secondary battery including the same. An electrolyte solution for a lithium secondary battery includes a lithium salt, a solvent, and a functional additive, wherein the functional additive includes a first electrode film additive, which is 3-(4-cyano-5-(4-nitrophenyl)-1H-1,2,3-triazol-1-yl)propyl 4-methylbenzenesulfonate.

Abstract: Disclosed are an electrolyte solution for a lithium secondary battery capable of improving the output and lifespan characteristics at high temperature of a lithium secondary battery, and a lithium secondary battery including the same. The electrolyte solution includes a lithium salt, a solvent, and a functional additive. The functional additive includes benzo[d]thiazol-6-yl(fluorosulfonyl)sulfamoyl fluoride.

Abstract: An apparatus and method for generating and reproducing pattern data is provided. The apparatus for generating pattern data includes an input data reception unit for receiving input data according to a user selection; a controller for determining pattern information on the basis of the input data and generating pattern data including the determined pattern information; and a communication unit for transmitting the generated pattern data to the apparatus for reproducing pattern data.

Abstract: An apparatus for controlling a discharge pressure of a fluid includes: a pump configured to suck the fluid through an inlet or to discharge the sucked fluid through an outlet; a distributor connected to the pump and to an injection nozzle provided by a sensor and configured to distribute the fluid discharged from the pump to the sensor; and a controller. The controller is configured to control the pump to operate selectively in accordance with detection of contamination of the sensor and to control operation of the distributor to be forcibly delayed during operation of the pump such that the fluid distributed to the sensor, when detected as being contaminated, is controlled to reach a selected required discharge pressure of different required discharge pressures selected in accordance with water amount information and a degree of contamination of the sensor.

Abstract: An apparatus and a method for providing a haptic control signal of a haptic device are disclosed. The apparatus for providing a haptic control signal of a haptic device comprises: a haptic pattern data determination unit for determining haptic pattern data on the basis of at least one of an audio signal and an additional effect signal; a haptic control signal generation unit for generating a haptic control signal for controlling a vibration operation of the haptic device on the basis of the haptic pattern data; and a transmission unit for transmitting the haptic control signal to the haptic device.