Abstract: A display includes a display panel for displaying an image; a backlight including a light guide plate disposed behind the display panel for outputting light to the display panel, and a light source that irradiates the light to a first side surface of the light guide plate; and a holder for supporting the display panel and the light guide plate and to have a concave portion that exposes at least a portion of a second side surface of the light guide plate positioned to be opposite to the first side surface of the light guide plate.

Abstract: A solenoid valve includes: an independently movable pilot plunger head; a main seat including a hole, so that gas flows into the solenoid valve through the hole of the main seat; a main plunger being in contact with the main seat; a pilot plunger disposed at top surface of the main plunger inside the solenoid valve, and including a hollow portion inside the pilot plunger; and a pilot plunger head disposed at one side inside the pilot plunger, and having an apex being in contact with the main plunger. The pilot plunger is movable inside the valve, the pilot plunger head is movable inside the hollow portion of the pilot plunger, and the pilot plunger head and the pilot plunger separately move from each other.

Abstract: A display apparatus includes a plurality of light sources that are arranged in several rows at different intervals so that light emitted from the plurality of light sources may reach all regions of a display panel uniformly. Accordingly, a uniform dispersion of the light incident on the display panel may be achieved. Furthermore, distribution of light generated from the plurality of light sources on the display panel may be facilitated through a reflecting unit without the use of a light-guide plate or the like.

Abstract: A display device is provided, which includes a display panel, a light guide plate disposed in a rear of the display panel, a light source disposed adjacent to a light-incident surface of the light guide plate and configured to radiate light toward the light-incident surface of the light guide plate, and a holder disposed along a light-facing surface of the light guide plate, the light-facing surface of the light guide plate opposing the light-incident surface of the light guide plate, the holder including a supporting portion that supports a light-emitting surface of the light guide plate, the light-emitting surface of the light guide plate disposed between the light-incident surface and the light-facing surface, wherein the supporting portion of the holder has a first light reflecting surface that faces the light-facing surface of the light guide plate.

Abstract: A display apparatus includes a display panel, a light guide plate disposed behind the display panel, the light guide plate being lengthwise or widthwise smaller than the display panel, a light source disposed adjacent to a first lateral surface of the light guide plate and irradiates light onto the first lateral surface, a back chassis disposed behind the light guide plate and supports a back surface of the light guide plate and a support structure disposed along a second lateral surface of the light guide plate different from the first lateral surface of the light guide plate. Further, the support structure includes light blocking protrusion that blocks a portion of the second lateral surface.

Abstract: A display includes a display panel for displaying an image; a backlight including a light guide plate disposed behind the display panel for outputting light to the display panel, and a light source that irradiates the light to a first side surface of the light guide plate; and a holder for supporting the display panel and the light guide plate and to have a concave portion that exposes at least a portion of a second side surface of the light guide plate positioned to be opposite to the first side surface of the light guide plate.

Abstract: A display apparatus is provided. The display apparatus includes a display panel, a light guide plate disposed behind the display panel and configured to guide light to the display panel, a light source configured to irradiate light to at least one side of the light guide plate, a diffusion plate disposed between the display panel and the light guide plate, and at least one diffusion plate support member coupled to the light guide plate and configured to support the diffusion plate. The light guide plate includes an optical pattern arranged in a light emitting surface facing the diffusion plate and at least one insertion hole which is formed in the light emitting surface for the at least one diffusion plate support member being inserted thereto. The optical pattern includes a pattern change region which surrounds at least a portion of the insertion hole.

Abstract: A display apparatus is provided. The display apparatus includes a display panel; a light guide plate configured to guide light to the display panel and disposed behind the display panel; a light source configured to emit light to a lateral surface of the light guide plate; a diffusion plate disposed between the display panel and the light guide plate; and at least one support member configured to support the diffusion plate and disposed to pass through the light guide plate, wherein a light transmittance of a portion of the at least one support member at a side of the support member facing the light source is different from a light transmittance of a remaining portion of the at least one support member.

Abstract: A system and a method for sensing hydrogen charge state of a fuel cell electric vehicle are provided. The system includes an infrared transmission unit that transmits a fuel door sensing infrared signal for sensing a fuel door opened while charging hydrogen and a nozzle sensing infrared signal for sensing a charging station-side hydrogen charging nozzle connected to a hydrogen charging inlet of a vehicle. An infrared reception unit receives the fuel door sensing infrared signal and thereafter, reflected on a fuel door and the nozzle sensing infrared signal transmitted from the infrared transmission unit and thereafter, reflected on the hydrogen charging nozzle. A controller determines that the vehicle is being charged with hydrogen when sensing an open state of the fuel door and a hydrogen charging inlet connection state of the hydrogen charging nozzle.

Abstract: A display apparatus includes a display panel, a light guide plate configured to guide light to the display panel, a light source module configured to emit light toward the light guide plate, optical sheets disposed between the display panel and the light guide plate, a bottom chassis, on which the light guide plate is seated, and configured to support the optical sheets to be spaced apart from the light guide plate forming an optical distance between the optical sheets and the light guide plate, and a plurality of supporters fixed to the bottom chassis and configured to support the optical sheets to prevent the optical sheets from sagging.

Abstract: A method of controlling purging in a hydrogen storage system includes determining the internal hydrogen purity of a hydrogen tank and adjusting a hydrogen purging cycle of the hydrogen tank depending on the determined internal hydrogen purity. An apparatus for controlling purging in a hydrogen storage system is also provided.

Abstract: A display apparatus includes a display panel, a light guide plate configured to guide light to the display panel, a light source module configured to emit light toward the light guide plate, optical sheets disposed between the display panel and the light guide plate, a bottom chassis, on which the light guide plate is seated, and configured to support the optical sheets to be spaced apart from the light guide plate forming an optical distance between the optical sheets and the light guide plate, and a plurality of supporters fixed to the bottom chassis and configured to support the optical sheets to prevent the optical sheets from sagging.

Abstract: A solenoid valve includes: an independently movable pilot plunger head; a main seat including a hole, so that gas flows into the solenoid valve through the hole of the main seat; a main plunger being in contact with the main seat; a pilot plunger disposed at top surface of the main plunger inside the solenoid valve, and including a hollow portion inside the pilot plunger; and a pilot plunger head disposed at one side inside the pilot plunger, and having an apex being in contact with the main plunger. The pilot plunger is movable inside the valve, the pilot plunger head is movable inside the hollow portion of the pilot plunger, and the pilot plunger head and the pilot plunger separately move from each other.

Abstract: A system for measuring pressure of an in-tank regulator includes a direct-pipe flow path which directly communicates with an inside of a high-pressure container, a high-pressure sensor, of which a portion is movable into the direct-pipe flow path, fastened to and separated from the direct-pipe flow path, and a shut-off valve disposed on the direct-pipe flow path between the high-pressure container and the high-pressure sensor, wherein when the high-pressure sensor is separated from the direct-pipe flow path, the direct-pie flow path is sealed by the shut-off valve.

Abstract: A display apparatus including a display panel configured to display an image, a light source module including a plurality of light sources, a light guide plate configured to guide light generated by the light source module to the display panel, and a coupling member including a first surface configured to support the light guide plate, a second surface configured to support the light source module, the second surface being disposed opposite the first surface, and a support provided between the first surface and the second surface and configured to support the light guide plate spaced apart from the light source module.

Abstract: Provided is a display apparatus having a transparent mode for outputting an internal object and a related image when the internal object is seen through a transparent display and an opaque mode for outputting an image having the same level as in an existing LCD display when an accurate image needs to be output on the display. A display apparatus according to an embodiment may include a main body, and a display unit coupled to the main body and configured to implement at least one of a transparent mode and an opaque mode, wherein the display unit includes a transparent display panel exposed at a front surface of the main body, a first light source disposed behind the transparent display panel, a transparency adjusting unit disposed behind the first light source, and a second light source disposed behind the transparency adjusting unit.

Abstract: An apparatus is provided for safely discharging hydrogen permeated and leaking from a fuel tank of a fuel cell vehicle. The hydrogen exhaust apparatus for a fuel cell vehicle collects and safely processes hydrogen permeating a tank, and quantitatively detects the hydrogen transmissive amount. Thus the apparatus has improved a shape and attachment manner of a dome protector mounted in a hydrogen fuel tank. The safety aspect of hydrogen discharged to the air is improved, and an active response to various controls by quantitatively detecting the hydrogen transmissive amount is implemented.

Abstract: A system control method is provided for measuring a distance between a smart key and a vehicle. When the distance between the smart key and the vehicle is changed based on a predetermined distance whether a hydrogen leak occurs is detected by a hydrogen sensor detection controller. A driver is then informed of a hydrogen leak via a display on a cluster, a turn-on of an emergency light, and a warning sound of the vehicle. Alternatively, a starting-impossible state of the vehicle or shutting-down starting of the vehicle is maintained to ensure safety measures based on the concentration of the leaking hydrogen.

Abstract: A hydrogen consumption measuring method for a fuel cell system includes steps of: calculating an amount of hydrogen consumed for a representative section from a first pressure at a time when hydrogen is supplied into an anode and a second pressure at a time when the hydrogen is no longer supplied to the anode; and calculating a total amount of hydrogen consumed by accumulating amounts of hydrogen consumed from a plurality of sections.

Abstract: A method is provided for notifying a driver that charging is required determined by utilizing the calculated remaining travel distance of the vehicle, the position information of the charging station and the position information about the destination. In particular, the method determines when the total travel distance in consideration of the destination exceeds the remaining travel distance of the vehicle. The driver is notified of the necessity for charging during the initial traveling, and before traveling beyond the rechargeable returning distance.