Samsung Sdi Co., Inc.

Valeo Kapec Co., Ltd.

Samsung Electronics Co., Ltd.

Soon-Cheol Shin

Sang-Shin Choi

Chan-Yong Kim

Sang-Ho Jeon

Jong-Han Rhee

Il-Hwan Jang

Hoo-Deuk Kim

Do-Hun Pyun

Jun-Jong Lee

Eung-Suk Lee

Hyang-Jin Koh

Juseok Kang

Sangmin Yang

Eu Sub Kwon

Tae-Yoon Kim

Hee-Tak Kim

Sang-Il Han

Myoung-Ki Min

Sung-Yong Cho

Kah-Young Song

Geun-Seok Chai

Joon-Soo Bae

Jong-Heon Kim

Wan Kim

Jeong-Hoon Kim

Hyung-Seok Oh

Chang-Ryon Byon

Mun-Seong Kim

Woo-Il Park

Soon-Dong Jeong

Do-hun Pyun

Gi-young Song

Won-Ho Kim

Seok-Nam Lee

Kuen-dong Ha

Sung-oh Rho

Si-Taeg Sung

The present invention relates to a lock-up device for a torque converter which has a simple structure compared to the prior art, which reduces manufacturing costs, and which may reduce a size of the entire torque converter and improve a damping ability of the dynamic damper by minimizing an installation space of a dynamic damper.

Lock-up device for torque converter

A lock-up device for a torque converter is provided with a simple structure which reduces manufacturing costs, and which may reduce a size of the entire torque converter by minimizing an installation space of a dynamic damper.

A membrane electrode assembly for a fuel cell that secures a flow path of a separator while preventing generation of a pin-hole. The membrane electrode assembly includes an electrolyte membrane for a fuel cell, a microporous layer that is disposed at both surfaces of the electrolyte membrane, a backing layer that is disposed on the microporous layer, and a circumferential edge protective layer that is disposed at an circumferential edge of the electrolyte membrane. An end portion of the microporous layer is positioned further inside of the membrane electrode assembly than an end portion of the backing layer. The circumferential edge protective layer is inserted between the backing layer and the electrolyte membrane.

Membrane electrode assembly for fuel cell and fuel cell stack

A cathode ray tube includes a tube having a panel having an inner phosphor screen, a funnel connected to the panel, a neck connected to the funnel, a deflection unit disposed around the funnel, an electron gun installed in the neck, and a scatter-proof unit installed on the panel and the funnel such that the panel shares the scatter-proof unit with the funnel for preventing the tube from breaking and scattering into many pieces.

Cathode ray tube having a scatter-proof band

A shadow mask for a Cathode Ray Tube (CRT) which achieves a high brightness and white uniformity by minimizing light emission of incorrect colors, includes: an effective screen portion with a plurality of beam passage holes arranged in a predetermined pattern and a non-holed portion surrounding the effective screen portion with no beam passage holes. The beam passage holes have a large-sized hole portion on a side facing a panel of the CRT and a small-sized hole portion that is smaller than the large-sized hole portion on a side facing an electron gun are selected such. A concave portion is formed on each of the beam passage holes arranged in a direction from a center of the effective screen portion to a direction of emission, and the concave portion is varied from the center of the effective screen portion diagonally such that a serif width D satisfies D=a&#x2212;bx+cx2 (wherein a, b, and c are constants, and x is a spatial distance from the center of the effective screen portion to the center of the beam passage hole) and a, b, and c are selected such that {c/(b+c)} has an absolute value between 0.0092 and 0.0099.

Shadow mask for cathode ray tube (CRT)

A color selection apparatus for a cathode ray tube. A mask is formed having a long axis and a short axis. A frame supports the mask in one of a long axis direction and a short axis direction. The mask has a plurality of strips separated by a predetermined distance. A plurality of first beam apertures are formed as single long slits between the strips in a center portion of the mask. A plurality of second beam apertures are formed on outer portions of the mask to both sides of the center portion of the mask. The second beam apertures are divided into a plurality of individual units within a single column by real bridges and at least one dummy bridge for each individual second beam aperture unit. The at least on dummy bridge extends inwardly from the strips but does not cross completely through the individual second beam aperture unit.

Color selection apparatus for cathode ray tube having real and dummy bridges

A cathode ray tube includes a panel having a front screen portion on which a phosphor screen is formed and a panel flange integrally formed on an edge of the front screen portion, a funnel connected to the panel flange, a deflection yoke disposed around the funnel, a neck connected to the funnel, an electron gun disposed in the neck, a color selection apparatus for selecting electron beams emitted from the electron gun and allowing the selected electron beams to land on corresponding phosphors, and an inner shield for shielding geomagnetism, the inner shield mounted on the color selection apparatus. The color selection apparatus includes a mask having a plurality of electron beam-passing apertures, the mask being rectangular and having a longitudinal axis and a lateral axis, a frame for supporting the mask in a tensioned state, and a pair of side shield members mounted on lateral sides of the frame to shield the geomagnetism.

Cathode ray tube with structure for preventing electron beam mis-landing caused by geomagnetism

A tension mask frame assembly for a color cathode ray tube, includes: a tension mask having a plurality of strips on which slots are formed, the slots being separated by a predetermined distance from each other on a thin plate; real bridges for partitioning slots at a predetermined pitch interval by connecting adjacent ones of a plurality of strips to each other; and a frame which supports the corresponding edges of the tension mask; whereby the vertical pitch of the real bridges becomes smaller, such as in a stepwise relation, in a direction from the center portion of the tension mask to the peripheral portion of the tension mask.

Tension mask frame assembly for color cathode ray tube

A color selection apparatus includes a frame comprising a pair of supporting members disposed in parallel with each other and a pair of elastic members disposed between and coupled to the supporting members. Each of the elastic members is formed of a hollow tube. A mask is coupled to the supporting members while being applied with a predetermined tension, and exhaust openings are formed for exhausting remaining alien substances from within the elastic members during an assembling process of the color selection apparatus. The exhaust openings are formed on each of the elastic members at a portion adjacent to where the elastic members are coupled to the supporting members.

Color selection apparatus for cathode ray tube

A flat tension mask frame assembly is provided, including a frame and a tension mask. The frame has first and second support members which are separated from each other by a predetermined distance, and have fixing portions and flange portions which are bent inwardly from the fixing portions and become narrower from the center portion to both ends of the flange portions, and at least two elastic members fixed at both ends to the first and second support members for supporting the support members. The tension mask has facing edges which are fixed to the fixing portions of each of the first and second support members in a state where a tensile stress has been applied to the facing edges.

Tension mask frame assembly of flat cathode ray tube

A tension mask frame assembly for a color cathode ray tube, including: a tension mask having a plurality of strips on which slots are formed being separated a predetermined distance from each other on a thin plate, real bridges for partitioning slots at a predetermined pitch interval by connecting adjacent ones of a plurality of strips to each other; and a frame which supports the corresponding edges of the tension mask, whereby a tensile force is applied to the tension mask, and the vertical pitch of the real bridges becomes smaller in a direction from the center portion of the tension mask to the peripheral portion of the tension mask.

A color selection apparatus for a cathode ray tube includes a mask bearing a shape with short and long axes, and a frame combined with the mask. The mask is fitted to the frame while being tensioned either in the long axis direction or in the short axis direction. The mask has a plurality of strips spaced apart from each other by a predetermined distance, a plurality of real bridges disposed between the neighboring strips with a predetermined pitch while defining beam-guide holes, and one or more dummy bridges placed within each beam-guide hole while being extended from the strips in at least one direction. In any one reference column of m&equals;0 and the other neighboring columns of m&plusmn;n (n is a natural number), the real bridges arranged at the reference column are placed at lines different from the real bridges arranged at the columns of at least m&plusmn;2 in the long axis direction.

A tension mask frame assembly for a color picture tube includes a tension mask where a plurality of strips formed on a thin plate to be separated a predetermined distance forming slots, a plurality of tie bars for connecting the strips and sectioning the slots at a predetermined pitch, and a plurality of dummy bridges extending from at least one strip toward a facing strip in the slots sectioned by the tie bars, and a frame supporting the edge of the tension mask so that a not less than can be applied to the tension mask. In the tension mask frame assembly, the area of the dummy bridge of the tension mask is smaller from the central portion of the tension mask to the peripheral portion thereof.

Tension mask frame assembly having a variable area for dummy bridges

A tension mask frame assembly for a color cathode-ray tube includes a frame including first and second support members, and at least a pair of elastic members supporting the first and second support members, both end portions of each of the elastic members are secured to the first and second support members, a tension mask including a plurality of strips and forming slits, a plurality of tie bars disposed between the strips and connecting neighboring strips to divide slits, where longer side portions perpendicular to a lengthwise direction of the strips are secured to the first and second support members, and vibration prevention members having both end portions supported at the first and second support members, having a predetermined tensile force, and being in contact with shorter side portions of the tension mask in a direction parallel to the strips of the tension mask.

Tension mask frame assembly for color CRT

A tension mask frame assembly for a color cathode-ray tube, including a tension mask, a frame and a vibration prevention unit, is provided. In this tension mask frame assembly, the tension mask has a slotted portion in which a plurality of electron beam passing holes are formed and a non-slotted portion located on the edge of the slotted portion. The frame supports two facing sides of the tension mask to apply a tensile force to the tension mask. The vibration prevention unit includes a damper having first and second attenuation portions that are maintained at a predetermined angle to form an insertion portion into which the edges of the tension mask not supported by the frame are inserted, and a support member for suspending the damper from the edges of the tension mask by passing through the first and second attenuation portions and the edges of the tension mask inserted into the insertion portion formed by the first and second attenuation portions.

Growing community of inventors

Suwon, South Korea

Soon-Cheol Shin