Abstract: Provided is a compound of Chemical Formula 1: wherein: Y is a direct bond, O or S; A1 and A2 are each independently a benzene ring, a naphthalene ring, or ?with the proviso that at least one of them is a naphthalene ring or each X is independently CR1R2, SiR3R4, NR5, O, S, or SO2; R1 to R5 are each independently hydrogen, deuterium, or a substituted or unsubstituted: C1-60 alkyl, C3-60 cycloalkyl, or C6-60 aryl; L1 and L2 are each independently a direct bond, or a substituted or unsubstituted C6-60 arylene or C2-60 heteroarylene; B1 and B2 are each independently *—NR6R7; and R?1 and R?2 are each independently hydrogen, deuterium, halogen, cyano, or a substituted or unsubstituted: C1-60 alky, C1-60 alkoxy, C1-60 haloalkyl, C1-60 haloalkoxy, tri(C1-60 alkyl)silyl, or C6-60 aryl; and and an organic light emitting diode comprising: a first electrode; a second electrode opposite to the first electrode; and at least one organic material layer between the first electrode and the se

Abstract: A light irradiation apparatus includes first and second light sources that emit first light and second light, respectively. The first and the second lights have mutually different wavelengths at timings close to each other, regardless of overlap between the first light and the second light. The first light has a wavelength band for inducing destruction of bacteria by damaging a cell of the bacteria as the first light acts on a photosensitizer present in the bacteria. The second light has a wavelength band for inducing the destruction of the bacteria by changing the structure of a genetic material present in the cell of the bacteria. A dose of the second light source is less than 1/10 of a dose of the first light source.

Abstract: A generation method for metadata for movement estimation includes separating, from video, a movement occurrence portion in units of scenes in which a scene changes, extracting pose information from the separated video data, and generating metadata from the pose information.

Abstract: A method of preparing a secondary battery is described and the method includes the steps of (S1) preparing a first gel polymer electrolyte composition including a first oligomer, and a second gel polymer electrolyte composition including a second oligomer; (S2) injecting the first gel polymer electrolyte composition into a battery case, in which an electrode assembly is accommodated, to impregnate inside of the electrode assembly with the first gel polymer electrolyte composition; (S3) injecting the second gel polymer electrolyte composition into the battery case; and (S4) curing the first gel polymer electrolyte composition and the second gel polymer electrolyte composition which have been injected into the battery case, wherein a content of the first oligomer in the first gel polymer electrolyte composition is less than a content of the second oligomer in the second gel polymer electrolyte composition.

Abstract: A system for financial transaction includes: a financial transaction management computer that executes and manages the financial transaction of financial trader, and an identity authentication system that executes identity authentication of the financial trader based on identity verification information of the financial trader provided from the related persons of the financial trader, wherein the financial transaction management computer includes computer hardware that causes the system to perform: extracting information of unrelated persons not related to a financial trader according to a financial transaction request of the financial trader who is completed the identity authentication in the identity authentication system; requesting a financial transaction approval of the financial trader by providing financial transaction details of the financial trader to the unrelated persons; and receiving an approval information of the financial transaction of the financial trader from the unrelated persons, and compl

Abstract: A memory device includes a sense amplifying circuit coupled between a pull-up voltage line and a pull-down voltage line and configured to sense and amplify data of bit lines according to a sensing control signal; a fail detection circuit configured to calculate counting values of fail bits for each temperature based on the data and configured to generate a minimum error code for each temperature by detecting a minimum value for each temperature from the counting values for each temperature, in response to a test mode signal; and a sense amplifying control circuit configured to drive the pull-up voltage line and the pull-down voltage line by generating a pull-up voltage and a pull-down voltage corresponding to current temperature information based on the minimum error code for each temperature and configured to generate the sensing control signal according to the test mode signal.

Abstract: A method for recommending emoticons based on emoticon preference information of a user is proposed. The method may include acquiring information on at least one preferred emoticon, wherein the at least one preferred emoticon is designated through an interaction with the user's emoticon according to a predefined method. The method may also include acquiring information on a matching text, wherein the matching text corresponds to at least one matching keyword. The method may further include displaying at least one recommended emoticon corresponding to the at least one matching keyword among the at least one preferred emoticon.

Abstract: A light emitting apparatus including a first light emitter including at least one first light emitting diode and a wavelength converter, and a second light emitter including at least one second light emitting diode, in which the first light emitting diode emits light having a central wavelength in a range of violet or blue, the second light emitting diode emits light having a central wavelength in a range of about 400 nm to 420 nm, the wavelength converter includes green and red phosphors to convert light of the first light emitting diode into the white light, in the white light, an irradiance of light emitted from the first light emitting diode is less than that from the red phosphor, and an irradiance of light emitted from the second light emitting diode is greater than that of the white light emitted from the first light emitter at the same wavelength.

Abstract: A light irradiation device including an injection unit to inject a sample, and a light source to apply light to the sample to identify an abnormal cell in the sample, the light source including a substrate and a light emitter including a light emitting diode, in which the light emitted is to cut a genetic material in the sample into sections of different sizes, and to deform the genetic material to different degrees, such that a determination of an abnormality of the sample is based on the degree of deformation, and an irradiation amount or intensity of the light is at an intensity in which a cytotoxicity value of the sample is greater than or equal to a predetermined value, and a ratio of a degree of deformation of the genetic material of the normal sample to that of the abnormal sample is set to be a minimum value.

Abstract: A light irradiation device includes a light source unit emitting a light to a wounded are of a skin and a controller controlling the light source unit. The light source unit includes a substrate, at least one first light source disposed on the substrate and emitting a first light in a blue wavelength band, and at least one second light source disposed on the substrate and emitting a second light in a red wavelength band to a near-infrared wavelength band. The first and second lights have different skin penetration depths from each other depending on a wavelength.

Abstract: A cyclic compound represented by Chemical Formula 1, and an organic light emitting device comprising the same, and the compound used as a material of an organic material layer in the organic light emitting device and providing improved efficiency, low driving voltage and improved lifetime characteristics of the organic light emitting device.

Abstract: A lighting apparatus including at least two of first, second, and third light units, in which the first light unit includes a first LED emitting light having a peak wavelength in a range of 286 to 304 nm and a first wavelength converter, and to emit a portion of light from the first LED to the outside, the second light unit includes a second LED emitting light having a peak wavelength in a range of 400 to 420 nm and a second wavelength converter, and to emit a portion of light from the second LED to the outside, and the third light unit includes a third LED emitting light having a peak wavelength in a range of 286 to 470 nm and a third wavelength converter emitting light having a central wavelength in a range of 685 to 705 nm, 790 to 840 nm, or 875 to 935 nm.

Abstract: A lighting apparatus is disclosed. The lighting apparatus according to one embodiment of the present disclosure includes: a white light emitting device including at least one first light emitter and a wavelength converter to implement white light; and at least one second light emitter emitting light having a different peak wavelength. The wavelength converter can include a plurality of wavelength conversion substances to convert light of the first light emitter into white light. The lighting apparatus can emit the white light implemented in the white light emitting device and light generated by the second light emitter to the outside, and, the light emitted by the second light emitter can include an irradiance spectrum having a wavelength region with a greater irradiance that an irradiance of the light emitted from the white light emitting device within the same wavelength region.

Abstract: Provided is a compound of Chemical Formula 1 or 2: wherein: R1 to R4 are each independently hydrogen or deuterium; n1 to n4 are an integer of 1 to 4; L1 and L2 are each independently a direct bond or a substituted or unsubstituted C6-60 arylene; and Ar1 and Ar2 are each independently a substituent of Chemical Formula 3: wherein X1 to X5 are each independently N or C(R5), wherein at least two of X1 to X5 are N; and each R5 is independently hydrogen, deuterium, a substituted or unsubstituted C1-20 alkyl, a substituted or unsubstituted C6-60 aryl, or a substituted or unsubstituted C2-60 heteroaryl containing at least one of N, O and S, or two adjacent R5s combine to form a benzene ring; and an organic light emitting device including the same. The device exhibits significantly superior efficiency and lifespan.

Abstract: A system for financial transaction includes: a financial transaction management computer that executes and manages the financial transaction of financial trader, and an identity authentication system that executes identity authentication of the financial trader based on identity verification information of the financial trader provided from the related persons of the financial trader, wherein the financial transaction management computer includes computer hardware that causes the system to perform: extracting information of unrelated persons not related to a financial trader according to a financial transaction request of the financial trader who is completed the identity authentication in the identity authentication system; requesting a financial transaction approval of the financial trader by providing financial transaction details of the financial trader to the unrelated persons; and receiving an approval information of the financial transaction of the financial trader from the unrelated persons, and compl

Abstract: A lighting apparatus is disclosed.

Abstract: A sensing and amplifying circuit includes a driving voltage control circuit configured to control a voltage level of a driving voltage based on a surrounding temperature of the sensing and amplifying circuit, a delay control circuit configured to generate a line connection signal and an inverted line connection signal in response to a delay start signal by being supplied with the driving voltage, and a sense amplifier configured to perform a sensing and amplifying operation in response to the line connection signal and the inverted line connection signal. An interval between enable timing of the line connection signal and enable timing of the inverted line connection signal is adjusted as the surrounding temperature changes.

Abstract: The present invention relates to an electric resistance welder that includes a compressor, a welding holder, and a welding rod, wherein air compressed by the compressor may be introduced into the welding rod through the welding holder and is then discharged through air outlets formed in the welding rod.