Abstract: Disclosed herein are a backlight assembly and a liquid crystal display (LCD) having the same, wherein the backlight assembly includes a light guide panel having a plurality of lateral sides; and a plurality of light source units each emitting light to a respective lateral side of the plurality of lateral sides, wherein at least two lateral sides of the plurality of lateral sides, which receive light emitted from two respective light source units of the plurality of light source units, are neighboring lateral sides, and wherein at least one lateral side is longer than an incident surface which receives light emitted from the light source unit.

Abstract: A backlight unit and a liquid crystal display having the same. The backlight unit includes a lower cover, an interconnection coupling hole, an inverter board, and an interconnection. The lower cover accommodates a printed circuit board, which mounts at least one light emitting diode thereon and is provided at one side thereof with a first connector. The interconnection coupling hole is formed in a bottom surface of the lower cover at a position corresponding to the first connector. The inverter board is disposed on a rear surface of the lower cover to apply a driving voltage to the at least one light emitting diode. The interconnection is provided at one end thereof with a second connector to electrically connect the printed circuit board to the inverter board.

Abstract: Disclosed are a backlight assembly including a light guide plate having at least one slit, at least one light source unit disposed at a side of the light guide plate, and a lower cover which accommodates the light source unit and has at least one support coupled with the at least one slit.

Abstract: A backlight unit and an LCD having the same. The backlight unit can include a light guide plate, a printed circuit board, a bottom cover and a fixing member. The printed circuit board can have at least one light emitting diode to emit light toward an incident surface formed at one side of the light guide plate. The bottom cover can receive the light guide plate and the printed circuit board therein. The fixing member can be formed with a recess section, into which the printed circuit board can be press-fitted, such that the printed circuit board is fixed to the fixing member. The assembling efficiency and reliability of the backlight unit can be improved.

Abstract: The present invention relates to an extracorporeal High Intensity Focused Ultrasound (HIFU) necrosis apparatus through the control of an electronic signal, including oscillation elements for generating ultrasonic beams, an ultrasonic oscillator array having the oscillation elements fixed on a plane and oriented toward a life, delay circuits respectively connected to the oscillation elements for delaying ultrasonic oscillation by a delay time, and control means for controlling the delay time so that the ultrasonic beams are focused, and a method of employing the same. According to the present invention, waved surfaces with a variety of directions and curvatures can be formed using several oscillation elements and several delay circuits disposed on a plane, and a focus can be formed at any desired place. Accordingly, there are advantages in that installation is convenient, and a tissue, such as tumor, which is a target tissue, can be necrotized without damage to normal tissues necrosis.

Abstract: A projection television including a CRT assembly projecting image beams and a reflecting mirror reflecting the image beams. The projection television has a support casing having support frames provided on both sides thereof below the reflecting mirror, receiving and supporting the CRT assembly, and a lower frame coupled to the bottom of each support frame, supporting the support frame. With this configuration, the present invention provides a projection television having a support casing whose weight is reduced, thereby facilitating transportation thereof and reducing the cost of production and transportation, etc., and further being unlikely to be deformed or deteriorated because of changes in temperature and humidity.

Abstract: A projection television having a screen onto which an image beam is projected; a reflector inclinedly disposed at the backside of the screen; a plurality of CRTs disposed at the side of the screen, projecting the image beam toward the reflector; and a plurality of CRT brackets including a body part, CRT inserting parts projecting from the body part and a refrigerant inserting hole formed on one side of the CRT inserting part, and supporting the plurality of CRTs. With this configuration, the present invention provides a projection television wherein the whole dimension of the projection television is reduced, distortion in focus is prevented, the degree of angle between the CRTs and forward and rearward disposition thereof remain stable, and a functional problem due to electromagnetic waves is prevented.

Abstract: A projection television includes a screen, a casing to support the screen, an optical engine coupled to the casing to project an image beam, a first reflecting mirror provided in a rear side of the screen so as to reflect the image beam projected from the optical engine, and a second reflecting mirror provided above the first reflecting mirror so as to reflect the image beam reflected from the first reflecting mirror toward the screen. The projection television has a decreased height and a simple configuration to facilitate manufacturing of the same.

Abstract: A cathode-ray tube (CRT) assembly of a projection television includes a CRT for creating an image, a lens for magnifying the image created in the CRT and projecting the image onto a screen, and a coupler disposed between the CRT and the lens. A cooling liquid receptacle is provided within the coupler, and is filled with a cooling liquid. For that purpose, a cooling liquid pouring inlet is disposed on one side of the coupler for pouring the cooling liquid into the cooling liquid receptacle, and an oilpack is connected to the cooling liquid receptacle so that a portion of the cooling liquid is contained therein when the cooling liquid in the cooling liquid receptacle expands due to heat generated by the CRT. The oilpack comprises a sealed space, a pack holder disposed between the sealed space and the cooling liquid pouring inlet, and an oilpack coupling mechanism formed on the pack holder.

Abstract: A projection television including a cathode ray tube (CRT) assembly, and a screen to form an image thereon by an image beam projected from the CRT assembly, the CRT assembly including a plurality of RGB CRTs arranged in a delta-type; a plurality of projection lenses respectively provided in front of each of the RGB CRTs; and a coupler provided between each of the RGB CRTs and each corresponding projection lens to accommodate a first, a second and a third coolant accommodators corresponding to each of the RGB CRTs, wherein at least one of the first, the second and the third coolant accommodators includes a coolant injection port, and the other coolant accommodators respectively include coolant communication holes to communicate with the coolant accommodator in which the coolant injection port is provided. The projection television simplifies a structure of a coupler, and enables light of red, green and blue of a cathode ray tube (CRT) assembly to be efficiently distributed over a screen.

Abstract: A projection television apparatus includes a CRT, a lens provided in front of the CRT, a coupler provided between the CRT and the lens and having a coolant accommodating part and a coolant injection port, a shock absorber provided on the coolant injection port to elastically change its shape corresponding to a pressure change inside the coolant accommodating part, a support cap that compressively supports the shock absorber and has a discharge port on a side thereof, and a coolant outflow preventing member connected to the discharge port to accommodate a coolant flowing into the support cap due to a damage of the shock absorber.

Abstract: A projection television including a CRT assembly projecting image beams and a reflecting mirror reflecting the image beams. The projection television has a support casing having support frames provided on both sides thereof below the reflecting mirror, receiving and supporting the CRT assembly, and a lower frame coupled to the bottom of each support frame, supporting the support frame. With this configuration, the present invention provides a projection television having a support casing whose weight is reduced, thereby facilitating transportation thereof and reducing the cost of production and transportation, etc., and further being unlikely to be deformed or deteriorated because of changes in temperature and humidity.

Abstract: A CRT coupling apparatus of a projection television couples a CRT which forms a picture to a lens which magnifies the picture formed by the CRT and projects it onto a screen. The CRT coupling apparatus includes: a CRT bracket supporting the CRT; a lens bracket supporting the lens; a coupler placed between the CRT and the lens; and a spring wire fixing the CRT bracket and the lens bracket to the coupler by applying elastic force in mutually approaching directions. One side of the spring wire is connected to a side of the CRT bracket facing away from the coupler, and the other side of the spring wire is connected to a side of the lens bracket facing away from the coupler. The apparatus also includes an earth assembly installed in the CRT bracket and contacting a backplate of the CRT to draw static electricity generated in the CRT away from the CRT. Sealing elements are provided between the coupler and the CRT and lens, respectively.

Abstract: A cathode-ray tube (CRT) assembly of a projection television is provided. The CRT assembly includes a CRT for creating an image, a lens for magnifying the image created in the CRT and projecting the image onto a screen, a coupler, disposed between the CRT and the lens, within which a cooling liquid receptacle filled with a cooling liquid is provided, a cooling liquid pouring inlet disposed on one side of the coupler and pouring the cooling liquid into the cooling liquid receptacle, and an oilpack connected to the cooling liquid receptacle so that a portion of the cooling liquid is contained when the cooling liquid filled in the cooling liquid receptacle expands.

Abstract: A CRT coupling apparatus of a projection television couples a CRT which forms a picture to a lens which magnifies the picture formed by the CRT and projects it onto a screen. The CRT coupling apparatus includes: a CRT bracket supporting the CRT; a lens bracket supporting the lens; a coupler placed between the CRT and the lens; and a spring wire fixing the CRT bracket and the lens bracket to the coupler by applying elastic force in mutually approaching directions. One side of the spring wire is connected to a side of the CRT bracket facing away from the coupler, and the other side of the spring wire is connected to a side of the lens bracket facing away from the coupler. The apparatus also includes an earth assembly installed in the CRT bracket and contacting a backplate of the CRT to draw static electricity generated in the CRT away from the CRT. Sealing elements are provided between the coupler and the CRT and lens, respectively.