Abstract: Provided is a display apparatus including a display panel, a light guide plate arranged behind the display panel, a light guide member configured to guide light toward a rear surface of the light guide plate, the light guide member formed of a transparent material and arranged to have a front surface come in contact with the rear surface of the light guide plate, and a light source configured to supply light to the light guide member, wherein the light guide member includes a light guide portion having a width and a length longer than the width and configured to guide widthwise movement of light supplied from the light source and an exit portion protruding forward from the light guide portion to guide the light to be emitted toward the rear surface of the light guide member.

Abstract: Disclosed is a coating material for a coating layer of an injection mold, the coating material including 100 parts by weight of a resin composition and about 30 to 40 parts by weight of a curing agent. The resin composition includes an amount of about 40 to 50 wt % of a first acrylic resin, an amount of about 5 to 15 wt % of a second acrylic resin having a weight average molecular weight less than a weight average molecular weight of the first acrylic resin, an amount of about 10 to 15 wt % of a carbon component, an amount of about 0.5 to 2 wt % of a matting agent, an amount of about 0.1 to 0.3 wt % of a catalyst and an amount of about 20 to 35 wt % of a solvent, all the wt % are based on the total weight of the resin composition.

Abstract: The presently disclosed Lifter comprises a substantially level horizontal, partially or totally tracked, overhanging bar, which is supported by the roof of a vehicle. The tracked bar is held up against the upper door frames by a ratcheted strap over the roof and in between two open doors on each side of the vehicle. Another ratchet attached to the bar via a trolley is usable for lifting the object, and the trolley allows for its horizontal movement along the tracked bar. Particularly, the object may be an incapacitated person such as a patient. Even more particularly, the patient may be held and restrained in harness-type garment comprising a lifting loop. Generally, the Lifter may be used to lift any heavy object in and out of a vehicle using mechanical leverage. In some embodiments, the bar comprises two shorter C channels removably joined, or a shorter channel with a telescoping extension. Thus, the presently disclosed lifter is very easy to carry, store, and generally handle as an auto accessory.

Abstract: The present disclosure provides a self-adjusting garment for lifting or lowering a wearer. It has three functionally necessary and sufficient elements, two weight bearing straps and a connecting isosceles trapezoidal fabric. These elements provide three self-adjusting openings for the legs and torso and a loop usable in combination with a lifting mean, such as a hook. In some embodiments, the connecting isosceles trapezoidal fabric has an opening usable for discharging bodily wastes. The self-adjusting garment accommodates and adapts to wide range of body sizes and shapes automatically. When suspended, the wearer's weight automatically secures and safely restrains the wearer.

Abstract: According to an aspect disclosed, there is provided a display apparatus and a manufacturing method capable of maintaining color conversion efficiency and simultaneously expanding a color gamut by emitting light of two wavelengths to one light source. A display apparatus includes a light source configured to emit signal light having a first peak center wavelength and excitation light having a second peak center wavelength shorter than the first peak center wavelength; and a converter configured to convert color of the excitation light emitted by the light source. The light source may be configured to include at least one single chip in which a first semiconductor layer emitting the excitation light and a second semiconductor layer emitting the signal light are arranged in a horizontal or vertical direction.

Abstract: Disclosed herein are a polyamide composition and a molded article made of the same with improved mechanical strength and reduced weight. The molded article may include the polyamide composition that includes high flowable polyamide and polyphthalamide and a small-diameter fiber, thereby resulting in an improvement in mechanical strength while achieving excellent surface properties and high weight reduction.

Abstract: The present invention relates to a redox flow battery electrolyte including: an additive mixture including a zinc/bromine (Zn/Br) redox couple; a quaternary ammonium bromide containing at least one alkylene alkoxy group; and water, and to a zinc/bromine (Zn/Br) redox flow battery including the same.

Abstract: Disclosed is a polypropylene resin composition for an uncoated crash pad. The composition may include an amount of about 50 to 80 wt % of a polypropylene resin having a Polydispersity Index (PI) of about 4.5 to 6.5, a weight average molecular weight of about 200,000 to 350,000 g/mol, and an isotactic peptide fraction of about 96% or greater as measured by a C13-NMR method, an amount of about 1 to 30 wt % of rubber having a melt index of about 1 to 6 g/10 min (230° C., 2.16 Kg), an amount of about 11 to 30 wt % of an inorganic filler composed of a mixture of an amount of about 10 to 20 wt % of talc and an amount of about 1 to 10 wt % of whisker, and an amount of about 1 to 5 wt % of an anti-scratch agent, all the wt % are based on the total weight of the polypropylene resin composition.

Abstract: A method and apparatus of accessing a channel in a wireless local area network is provided. A destination station receives a request to send (RTS) frame to allocate a network allocation vector from a source station over a first bandwidth and transmits a clear to send (CTS) frame over a second bandwidth to the source station in response to the RTS frame. The second bandwidth is dynamically determined when a first parameter has a predetermined value.

Abstract: A wireless power transmitter includes a converter comprising at least one switching element, and configured to generate boosted input power; a resonator and a controller. The resonator is configured to receive the boosted input power as an alternating current (AC) power, and transmit a ping signal in a detection mode for determining whether any one or both of an external object approaching and a type of the external object. The controller is configured to control the switching element, and gradually increase a duty cycle of a gate signal provided to the switching element, in the detection mode.

Abstract: A hologram reproducing apparatus is provided that includes a display configured to emit a write beam corresponding to a hologram pattern, a spatial light modulator (SLM) configured to write the hologram pattern according to the write beam and modulate the reproduction beam into a plurality of diffraction beams corresponding to the hologram pattern if a reproduction beam is incident, a light guide plate disposed in a front surface of the SLM, and configured to guide the reproduction beam toward the SLM, a filter configured to filter the plurality of diffraction beams, a lens configured to focus the plurality of diffraction beams filtered through the filter, and a plurality of optical fibers arranged in order to dispose at least one optical fiber to correspond to each of a plurality of pixels included in the display, and configured to transmit the write beam to the SLM.

Abstract: Disclosed is a thermoplastic elastomer composition having a superior low-temperature flexibility is provided. The thermoplastic elastomer composition may include an amount of about 10 to 15 wt % of a polypropylene-ethylene copolymer; an amount of about 70 to 85 wt % of a thermoplastic elastomer including an olefin-based thermoplastic elastomer and a styrene-based thermoplastic elastomer; an amount of about 5 to 10 wt % of a softener; an amount of about 3 to 5 wt % of a reinforcing agent; and an amount of about 1 wt % or less but greater than 0 wt % of a UV stabilizer based on the total weight of the thermoplastic elastomer composition.

Abstract: Disclosed is a display apparatus capable of being made thinner by reducing an optical distance OD and capable of implementing local dimming. The display apparatus includes a display panel, a light source configured to emit light toward a first direction parallel to a front surface of the display panel in order to supply the light to the display panel, and a light tunnel lens including: at least one light tunnel configured to guide the light emitted from the light source in the first direction, and a lens configured to be connected to the at least one light tunnel to diffuse the light guided by the at least one light tunnel.

Abstract: A method and apparatus of accessing a channel in a wireless local area network is provided. A destination station receives a request to send (RTS) frame to allocate a network allocation vector from a source station over a first bandwidth and transmits a clear to send (CTS) frame over a second bandwidth to the source station in response to the RTS frame. The second bandwidth is dynamically determined when a first parameter has a predetermined value.

Abstract: A hologram reproducing apparatus is provided that includes a display configured to display a hologram pattern and emit a write beam corresponding thereto, a relay lens disposed at a front surface of the display and comprising an array of microlenses each focusing the write beam, a spatial light modulator (SLM) disposed at a front surface of the relay lens, configured to write the hologram pattern according to the focused write beam and modulate a reproduction beam into a plurality of diffraction beams if the reproduction beam is incident, a light guide plate disposed between the relay lens and the SLM and configured to guide the reproduction beam toward the SLM, a filter disposed at a front surface of the SLM and configured to filter the plurality of diffraction beams and the write beam, and a lens configured to focus the plurality of diffraction beams filtered through the filter.

Abstract: A camera module includes a housing to accommodate a lens module, a stop module coupled to the lens module and configured to selectively change an amount of light incident to the lens module, and a coil portion configured to drive the stop module to selectively change an amount of light incident to the lens module. The coil portion is disposed on the housing.

Abstract: A display apparatus includes a blue light emitting element configured to emit blue light; a red light emitting element configured to emit red light; and a green light emitting element configured to emit green light. The blue light emitting element may include a first light emitting diode configured to emit light having a maximum intensity at a wavelength shorter than a blue wavelength; and a blue filter configured to transmit light having the blue wavelength.

Abstract: Provided are a wafer probe card that matches in one-to-one correspondence with an LED wafer by implementing a probe system having the same size as the LED wafer, and inspects brightness and wavelength of light emitted from a plurality of LEDs provided on the LED wafer at once by controlling the plurality of LEDs to emit light, an analysis apparatus including the same, and a method of fabricating the wafer probe card.

Abstract: A polypropylene resin composition may include an amount of 40 to 60 wt % of a polypropylene resin, an amount of 1 to 10 wt % of a polyethylene resin, an amount of 10 to 20 wt % of an olefin elastomer, and an amount of 1 to 20 wt % of a reinforcing material wherein all the wt % are based on the total weight of the polypropylene resin composition. Accordingly, a high gloss may be obtained without a coating process and moldability of the polypropylene resin may be obtained. Further provided is a molded article of an interior material or an exterior material of a vehicle manufactured by using the polypropylene resin composition.

Abstract: Provided are a method and system for determining an optimal exposure of a structured light based 3D camera. The system includes a projecting means for illuminating a predetermined pattern on a target object, an image capturing means for capturing an image of the target object with the pattern projected, and a processing means for reconstructing 3D data for the target object by identifying the pattern of the captured images from the image capturing means. The system automatically determines an optimal exposure of the structured light based 3D camera system through analyzing the captured image of the target object.