Abstract: Silicon etching compositions are described and may be used for selectively etching silicon with respect to a silicon insulating film. In particular, the silicon etching compositions can be used to improve the selective etching ratio of silicon from the surface of a semiconductor on which a silicone oxide film and silicon are exposed.

Abstract: A method of manufacturing a patterned film includes forming a first film including a semiconductor nanoparticle and an additive, wherein the additive includes a polythiol compound, the semiconductor nanoparticle includes an organic ligand (for example, on a surface thereof), and the organic ligand includes a first functional group bonded to the surface of the semiconductor nanoparticle and a carbon-carbon unsaturated bond; exposing a portion of the first film to a radiation to cause a change in a solubility of the semiconductor nanoparticle in the exposed area with respect to a first solvent; contacting the radiation treated film with the first solvent to remove at least a portion of an unexposed area of the radiation treated film to obtain a patterned film. A light emitting device includes such a patterned film as a light emitting layer.

Abstract: A system for tracking a moving vehicle body applies a dynamic projection mapping technique utilizing a high-speed projector. The system includes a tracker configured to track a vehicle body of a vehicle to generate vehicle body position information, a quality inspector configured to generate surface quality information of the vehicle, a matcher configured to generate mapping information in which the vehicle body position information and the surface quality information are mapped, and an indicator configured to display the mapping information on a surface of the vehicle body of the vehicle.

Abstract: An electroluminescent device, a method of manufacturing the same, and a display device including the same. The electroluminescent device includes a first electrode and a second electrode facing each other; an emission layer disposed between the first electrode and the second electrode, the emission layer including light emitting particles; an electron transport layer disposed between the first electrode and the emission layer; and a hole transport layer disposed between the second electrode and the emission layer, wherein the electron transport layer includes inorganic oxide particles and a metal-organic compound, the metal-organic compound or a thermal decomposition product of the metal-organic compound being soluble a non-polar solvent.

Abstract: A display apparatus is disclosed that includes a data driver, a demux circuit, a first wiring mixing structure, a second wiring mixing structure, a display panel and a bending area. The data driver includes first to fourth output amplifiers. The demux circuit is configured to branch the first to fourth output amplifiers to first to eighth output lines through demux switching. The first wiring mixing structure is connected to the demux circuit. The second wiring mixing structure is connected to the first wiring mixing structure. The display panel includes data lines connected to the second wiring mixing structure. The bending area is disposed between the display panel and the data driver. The demux circuit is disposed between an integrated circuit area of the data driver and the bending area. The bending area includes a bending line for folding elements toward a rear surface of the display panel.

Abstract: A method for simulating sharpness of an image boundary including setting a boundary pattern including a boundary line between black and white, and a unit pattern including arrangement information of pixels; calculating simulation grayscale data for implementing the boundary pattern by using the unit pattern; and obtaining a sharpness index for the boundary line based on a contrast sensitivity function (CSF) and brightness data extracted from the simulation grayscale data.

Abstract: The present invention relates to a composition, a fiber or a fragrance composition for improving cognitive ability or memory ability, containing a fermented Perilla frutescens extract. In addition, the present invention relates to a composition for preventing, alleviating or treating cognitive ability- or memory ability-related diseases, containing a fermented Perilla frutescens extract. Furthermore, the present invention relates to a method for treating cognitive ability- or memory ability-related diseases, comprising a step of administering a fermented Perilla frutescens extract to a patient with a cognitive ability- or memory ability-related disease. Compared to an unfermented Perilla frutescens extract, a fermented Perilla frutescens extract of the present invention significantly increases cognitive ability or memory ability, thereby being effectively usable as a composition for improving cognitive ability or memory ability.

Abstract: A display device including: a substrate; a plurality of light-emitting elements on the substrate; and a touch sensing layer disposed on the plurality of light-emitting elements, wherein the touch sensing layer includes: a first touch conductive layer; a first insulating layer disposed on the first touch conductive layer; and a second touch conductive layer disposed on the first insulating layer, and wherein the first insulating layer includes a light-converting material that converts light into near-infrared light.

Abstract: A display device includes: a demux circuit portion including: a first transistor including a part of a first lower gate pattern, a second transistor including a part of a second lower gate pattern, a first control line connected to the first lower gate pattern and supplying a first lighting test control signal or a first demux control signal, and a second control line connected to the second lower gate pattern and supplying a second lighting test control signal or a second demux control signal, and a lighting circuit portion connected to the demux circuit portion and including: a third transistor including another part of the first lower gate pattern and receiving the first lighting test control signal or the first demux control signal, and a fourth transistor including another part of the second lower gate pattern and receiving the second lighting test control signal or the second demux control signal.

Abstract: In the present invention, the pH of a solution in a reactor is controlled to be 5 or less so that hydroxyapatite crystals cannot be stably present in order to prevent hydroxyapatite from being generated during preparation of whitlockite. To this end, a basic solution containing calcium ions and magnesium ions was added to an acidic phosphoric acid solution to control that the pH of the solution in the reactor does not exceed 5. As a result, whitlockite having very high purity could be synthesized within a very short time.

Abstract: A display device includes a first pixel including a first emission area formed to emit light having a first color in a third direction, a second pixel including a second emission area formed to emit light having a second color different from the first color, a first partition wall in which a first opening overlapping the first emission area in a plan view is defined, a second partition wall in which a second opening overlapping the second emission area in the plan view is defined, and a first layer covering the first partition wall and the second partition wall. The first partition may be provided with a first height in the third direction. The second partition wall may be provided with a second height different from the first height.

Abstract: A copolymer including a structural unit represented by Chemical Formula 1 wherein the copolymer is capable of improving luminous efficiency and durability, particularly, an improvement in luminescence life-span, of an electroluminescence device, particularly a quantum dot electroluminescence device.

Abstract: A noise measurement device for measuring noise of a test image displayed on a display device including a display panel and an input sensor configured to sense an external input, includes a luminance meter, a converter, and a determiner. The luminance meter is configured to: measure a luminance of the test image in a state in which the input sensor is turned on to generate first luminance measurement values; and measure a luminance of the test image in a state in which the input sensor is turned off to generate second luminance measurement values. The converter is configured to apply a contrast sensitivity function to luminance difference values between the first and second luminance measurement values to generate final conversion values. The determiner is configured to compare the final conversion values with a predetermined reference range to determine whether a defect exists in the test image.

Abstract: A device for registering and authenticating a user device for vehicle control includes: a communication unit connected to the user device to receive an authentication request from the user device; an interface configured to communicatively connect with at least one antenna included in the vehicle and communicating with a FOB of the vehicle; and a processor configured to detect whether the user device is registered based on at least one of user information and device information included in the received authentication request, to detect whether a user of the user device has the FOB by using the at least one antenna, and to control a registration process of the user device which is set differently depending on whether the user has the FOB when the user device is not registered.

Abstract: A display device includes: a display part including a light emitting element on a base layer; and a sensor part on the display part and including a conductive pattern including an upper conductive pattern, and an inorganic layer covering the upper conductive pattern, wherein: the inorganic layer includes a first inorganic layer having a first refractive index and a second inorganic layer having a second refractive index less than the first refractive index, and the second inorganic layer is outside the first inorganic layer with respect to the base layer.

Abstract: Provided are a latency prediction method and a computing device for the same. The latency prediction method includes receiving a deep learning model and predicting on-device latency of the received deep learning model using a latency predictor which is trained on the basis of a latency lookup table. The latency lookup table includes information on single neural network layers and latency information of the single neural network layers on an edge device.

Abstract: A method of producing an electroluminescent device, the method including: disposing a light emitting layer including a semiconductor nanoparticle on a first electrode; applying a composition including a zinc oxide nanoparticle onto the light emitting layer to form an electron transport layer, the zinc oxide nanoparticle including a first metal and an alkali metal; and disposing the second electrode on the electron transport layer to produce the electroluminescent device, wherein a preparation of the zinc oxide nanoparticle includes admixing a first solution including a zinc precursor and a first metal precursor in a solvent with a second base and optionally a first base to prepare the zinc oxide nanoparticle, wherein the first base includes an organic base containing a C1 to C50 organic group, and the second base includes an inorganic base including the alkali metal.

Abstract: A manufacturing method of a display device includes forming a light emitting element layer on a substrate, co-depositing bismuth (Bi) and ytterbium (Yb) on the light emitting element layer to form a first inorganic absorbing layer, and forming a reflection control layer on the first inorganic absorbing layer. In the co-depositing, a deposition temperature of bismuth (Bi) is in a range of about 500° C. to about 850° C., a deposition temperature of ytterbium (Yb) is in a range of about 300° C. to about 550° C., and an extinction coefficient of the first inorganic absorbing layer is less than or equal to about 3.

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 display device includes a display part, and an outer part on the display part. The outer part includes a first layer and a second layer forming an interface with the first layer. A refractive index of the first layer is lower than a refractive index of the second layer such that light is totally reflected at the interface.