Abstract: Disclosed are a photo-acoustic sensor device and a photo-acoustic sensing method of the same. The sensing method includes providing a source light in a subject and receiving an ultrasonic wave generated in the subject by the source light. The source light may have a wavelength of 1400 nm to 2500 nm in a near-infrared band.

Abstract: Embodiments described herein relate to an optical device and methods of forming an optical device. The optical device includes a substrate, an illumination source, a capping layer, an encapsulation layer, and a passivation layer. The encapsulation layer includes a first atomic layer deposition (ALD) layer, a chemical vapor deposition (CVD) layer, and a second ALD layer. The method includes disposing a capping layer over an illumination layer, the illumination layer disposed over a substrate in a processing chamber; disposing a first atomic layer deposition (ALD) layer over the capping layer; disposing a chemical vapor deposition (CVD) layer over the first ALD layer; disposing a second ALD layer over the CVD layer; and disposing a passivation layer over the second ALD layer.

Abstract: A method of controlling regenerative braking of a dual-motor hybrid vehicle and a system thereof may include collecting driving information of the vehicle during an operation of the vehicle and starting braking when a brake pedal operation signal is input; determining, each of a first regenerative braking capacity using only a second motor and a second regenerative braking capacity using a first motor and the second motor in consideration of whether an engine clutch is engaged collected as the driving information, battery chargeable power, potential generation power of each of the first motor and the second motor based on the engine clutch, and engine friction force; and determining, whether to maintain engagement of the engine clutch by determining whether an regenerative braking capacity at the time of disengagement of the engine clutch determined in a state in which the engine clutch is engaged is less than a first reference value.

Abstract: A power system is provided. The power system includes: an electric machine comprising a first multiphase winding and a second multiphase winding, the first multiphase winding and the second multiphase winding being electrically opposite in phase with respect to one another; and a power converter system having: first switching elements in electric connection with the first multiphase winding and having a DC side and an AC side; second switching elements in electric connection with the second multiphase winding and having a DC side and an AC side; a plurality of capacitors coupled to the first switching elements on the DC side of the first switching elements and to the second switching elements on the DC side of the second switching elements; and a means for reducing common mode currents on the AC side of the first switching elements and on the AC side of the second switching elements.

Abstract: A welding information providing device is proposed. The device may include a body provided to cover at least a portion of a worker' face and including a first region facing the worker' face and a second region located in a region opposite to the first region. The device may also include a camera unit located in the second region of the body and capturing a welding video to acquire a video frame. The device may further include a display unit located in the first region of the body and providing a video generated through the video frame.

Abstract: The present disclosure relates to a welding information providing apparatus. The welding information providing apparatus includes a body provided to be wearable by a user, a camera unit including a first camera mounted on the body and configured to image a welding site in which welding work is not in progress to acquire a video frame and a second camera mounted in a position different from the first camera and configured to image a welding site in which welding work is in progress to acquire a video frame, a video generating unit configured to generate and provide a processed image based on the video frame acquired by the first camera or the second camera, and a display unit configured to display the processed image provided from the video generating unit to the user.

Abstract: A pixel includes a light-emitting element, a first transistor connected between a first voltage line and the light-emitting element, a second transistor connected between the first voltage line and the first transistor, a third transistor connected between the first transistor and the light-emitting element, and a fourth transistor connected between the light-emitting element and a second voltage line, wherein the pixel is configured to emit light in a plurality of emission periods between a plurality of non-emission periods during one frame, and the second transistor is turned off and the third transistor is turned on in even-numbered non-emission periods among the plurality of non-emission periods.

Abstract: A light emitting device includes a substrate; a pattern of a plurality of protrusions protruding from the substrate; a first semiconductor layer provided on the substrate; an active layer provided on the first semiconductor layer; and a second semiconductor layer provided on the active layer, in which each of the protrusions includes a first layer formed integrally with the substrate and protruding from an upper surface of the base substrate; and a second layer provided on the first layer and formed of a material different from that of the first layer.

Abstract: A radio frequency communication device may include a first package including a first semiconductor chip, the first semiconductor chip including a reception amplifier configured to receive a radio frequency (RF) signal, amplify the received RF signal, and output the amplified RF signal, a second package including a second semiconductor chip and a third semiconductor chip, the second semiconductor chip including a reception chain configured to receive the amplified RF signal from the first semiconductor chip via at least one first wire on a printed circuit board (PCB), and generate a baseband digital signal, and the third semiconductor chip being configured to receive the baseband digital signal from the second semiconductor chip via an internal transmission of the second package, and process the baseband digital signal, and the PCB on which the first package and the second package are mounted.

Abstract: An AC electrical system for a vehicle and methods of operating the same are provided. In one aspect, an AC electrical system includes a first electric machine mechanically coupled with a first spool of a gas turbine engine and a second electric machine mechanically coupled with a second spool of the gas turbine engine. The system also includes a first AC bus and a second AC bus. A first electrical channel electrically couples the first electric machine to the first AC bus and a second electrical channel electrically couples the second electric machine to the second AC bus. The system also includes one or more connection links and one or more power converters for selectively electrically coupling the first and second electrical channels so that electrical power generated by one electric machine can be converted and shared with the other electric machine and electrical loads of the other channel.

Abstract: A lens, wherein a first profile in a first direction intersecting an optical axis and a second profile in a second direction intersecting the optical axis are different from each other, and a length of the first profile in the first direction is different from a length of the second profile in the second direction.

Abstract: Provided is an auxiliary circuit configured to estimate a Miller plateau of a power transistor in a power conversion system, the auxiliary circuit including a filtering circuit electrically connected to a switching node of the power conversion system and configured to filter a voltage of the switching node, and a sensing circuit electrically connected to an output node of the filtering circuit and configured to detect whether the voltage of the switching node reaches a predetermined voltage level based on a voltage of the output node of the filtering circuit.

Abstract: An automated speech recognition (ASR) transcript of at least a portion of a media content is obtained from an ASR tool. Suggested words are received for corrected words of the ASR transcript of the media content. Features are obtained using at least the suggested words or the corrected words. The features include features relating to sound similarities between the suggested words and the corrected words. The features are input into a machine learning (ML) model to obtain a determination regarding a validity of the suggested words. Responsive to the suggested words constituting a valid suggestion, the suggested words are incorporated into the ASR transcript. At least a portion of the ASR transcript is transmitted to a user device in conjunction with at least a portion of the media content.

Abstract: Provided are a scalable analog passive intermodulation (PIM) module, a method of controlling analog PIM, a signal processing circuit, and a sensor device. The scalable analog PIM module includes a first plural number of digital-to-analog converters (DACs), a first plural number of static random access memory (SRAM) calculators connected to the first plural number of DACs, at least one analog-to-digital converter (ADC) connected to the first plural number of SRAM calculators and configured to convert an analog convolution result signal into digital convolution data, and an analog PIM controller configured to output an enable control signal for enabling a second number, which is equal to or less than first plural number, of SRAM calculators among the first plural number of SRAM calculators to the first plural number of SRAM calculators on the basis of the convolution data output from the ADC.

Abstract: Provided are a composition and an organic light-emitting device including the same, wherein the composition includes a platinum-containing organometallic compound, a first compound, a second compound, and a third compound.

Abstract: A display device includes: a memory, a driving controller, a light emitting element, a first transistor including a first electrode, a second electrode, and a gate electrode for receiving a data signal, a second transistor connected between a first driving voltage line and the first electrode of the first transistor and receiving a first emission signal, and a third transistor connected between the second electrode of the first transistor and the light emitting element and receiving a second emission signal. The first emission signal includes a compensation period and an emission period, and the memory stores instructions that, when executed by the driving controller, cause the driving controller to determine a compensation time of the compensation period depending on target luminance.

Abstract: A method and system for operating a hybrid propulsion system, includes controllably providing a first power to a first bus and a first inverter, electrically coupling a first motor with a second inverter by way of a second bus, operably converting, by the second inverter, the first power received by the first inverter to a starting power adapted for starting the first motor, and increasing, by the second inverter, the starting power to match the first power received.

Abstract: An electric power system for a vehicle includes at least one electric machine, one or more power rectifiers, and a plurality of DC channels. The at least one electric machine includes a plurality of tooth-wound multi-phase windings that are substantially magnetically decoupled, and the at least one electric machine is mechanically balanced even if one of the plurality of windings is de-energized. The one or more power rectifiers are configured to produce rectified power from the power generated by the at least one electric machine. The plurality of DC channels are formed after the at least one power rectifier and are configured to provide DC power to one or more loads within a vehicle.

Abstract: An antenna package according to an embodiment includes an antenna device and a flexible circuit board. The antenna device includes a dielectric layer, a first antenna unit arranged on the dielectric layer and a second antenna unit arranged on the dielectric layer to be physically and electrically separated from the first antenna unit. The printed circuit board is coupled to the antenna device to be electrically connected to the first antenna unit, and electrically separated from the second antenna unit.

Abstract: An imaging lens system includes an optical path folding member including a forwardmost reflective surface disposed closest to an object side, a rearmost reflective surface disposed closest to an imaging plane, and a rear reflective surface disposed to form an acute angle with the rearmost reflective surface and configured to reflect light reflected by the rearmost reflective surface to the imaging plane, and a first lens group disposed on an object side of the forwardmost reflective surface or an image side of the forwardmost reflective surface, wherein an angle between a first virtual plane including the forwardmost reflective surface and a second virtual plane including the rearmost reflective surface is 15 to 27 degrees.