Patents by Inventor Jong-Han Rhee

Jong-Han Rhee has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 6836062
    Abstract: A cathode ray tube including a tube realized through a face panel, a funnel, and a neck; a color selection apparatus including a shadow mask having a an effective area with apertures and a mask frame supporting the shadow mask; an electron gun mounted in the neck and emitting electron beams; a deflection apparatus generating a magnetic field to deflect the electron beams; and a moire compensation circuit performing moire compensation, wherein the color selection apparatus satisfies the following condition, 0.76 ≥ Ke Ko ≥ 0.
    Type: Grant
    Filed: February 25, 2003
    Date of Patent: December 28, 2004
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jun-Jong Lee, Ki-Youn Jun, Jong-Han Rhee
  • Patent number: 6825600
    Abstract: 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.
    Type: Grant
    Filed: May 23, 2002
    Date of Patent: November 30, 2004
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Soon-Cheol Shin, Jong-Han Rhee, Sang-Ho Jeon, Jun-Jong Lee, Hyang-Jin Koh
  • Patent number: 6762545
    Abstract: A tension mask for a color cathode-ray tube, a method for manufacturing the tension mask, and an exposure mask for use in the manufacture of the tension mask are provided. The tension mask is manufactured by depositing photosensitive layers over the top and bottom surfaces of a steel foil. An upper exposure mask with a pattern including a series of parallel upper light transmission portions arranged in lines is aligned over the top surface of the steel foil, and a lower exposure mask with a pattern is aligned over the bottom surface of the steel foil. Here, the pattern of the lower exposure mask includes a series of parallel lower light transmission portions arranged in lines, a plurality of first light shielding portions intersecting adjacent lower light transmission portions among the series of the parallel lower light transmission portions, and a plurality of second light shielding portions partially extending between the edges of the adjacent lower light transmission portions.
    Type: Grant
    Filed: April 18, 2001
    Date of Patent: July 13, 2004
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Deok-Hyeon Choe, Jong-Han Rhee, Sang-Ho Jeon, Young-Bin Im
  • Patent number: 6710530
    Abstract: A cathode ray tube includes a panel with an inner phosphor screen, and a funnel sealed to the panel while facing the phosphor screen. The funnel is externally mounted with a deflection yoke. A neck is sealed to the rear of the funnel while mounting an electron gun to emit electron beams therein. A shadow mask is placed within the panel. The shadow mask has a hole-formation portion with a plurality of beam-guide holes, a non-holed portion externally surrounding the hole-formation portion while being shaped with a rectangular frame, and a skirt bent from the outer periphery of the non-holed portion to the rear of the panel. The skirt has a basic etching portion half-etched at a predetermined roughness. The components of the shadow mask are integrated into one body. A welding portion is formed at the bottom of the skirt with a plurality of welding points. A mask frame is internally suspension-fitted to the panel while being welded to the skirt to support the shadow mask.
    Type: Grant
    Filed: October 17, 2002
    Date of Patent: March 23, 2004
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jun-Jong Lee, Kyou-Bong Lee, Jong-Han Rhee, Sang-Ho Jeon
  • Publication number: 20030214214
    Abstract: A cathode ray tube including a tube realized through a face panel, a funnel, and a neck; a color selection apparatus including a shadow mask having a an effective area with apertures and a mask frame supporting the shadow mask; an electron gun mounted in the neck and emitting electron beams; a deflection apparatus generating a magnetic field to deflect the electron beams; and a moire compensation circuit performing moire compensation, wherein the color selection apparatus satisfies the following condition, 1 0.76 ≥ Ke Ko ≥ 0.
    Type: Application
    Filed: February 25, 2003
    Publication date: November 20, 2003
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Jun-Jong Lee, Ki-Youn Jun, Jong-Han Rhee
  • Patent number: 6628059
    Abstract: 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=0 and the other neighboring columns of m±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±2 in the long axis direction.
    Type: Grant
    Filed: February 26, 2002
    Date of Patent: September 30, 2003
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jong-Han Rhee, Soon-Cheol Shin, Hyang-Jin Koh, Sang-Ho Jeon, Jun-Jong Lee
  • Patent number: 6621201
    Abstract: The present invention describes the details of a flat mask before tension is applied, an assembling method of that flat mask, and a tension mask assembly manufactured by using that method in order to obtain satisfactory thermal expansion, uniform stress distribution and linearity. The flat mask includes an apertured portion and supporting ends surrounding the apertured portion. The apertured portion comprises a plurality of concave pin-cushion type or convex barrel type strips, a plurality of real bridges connecting strips and dividing slots, and dummy bridges formed in the slots. The short supporting ends have the same width along a longitudinal direction and are formed to have the same curvature as the strips facing the supporting ends. The short supporting ends are preferably half-etched in order to make the volume of material removed from the short supporting ends greater than the volume of material removed from the apertured portion.
    Type: Grant
    Filed: April 23, 2002
    Date of Patent: September 16, 2003
    Assignee: SamSung SDI Co., Ltd.
    Inventors: Sang-Ho Jeon, Jong-Han Rhee, Hyang-Jin Koh, Jun-Jong Lee, Dong-Hwan Kim
  • Patent number: 6614154
    Abstract: 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.
    Type: Grant
    Filed: April 20, 2001
    Date of Patent: September 2, 2003
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Soon-cheol Shin, Sung-oh Rho, Chan-yong Kim, Jong-han Rhee
  • Publication number: 20030085648
    Abstract: A cathode ray tube includes a panel with an inner phosphor screen, and a funnel sealed to the panel while facing the phosphor screen. The funnel is externally mounted with a deflection yoke. A neck is sealed to the rear of the funnel while mounting an electron gun to emit electron beams therein. A shadow mask is placed within the panel. The shadow mask has a hole-formation portion with a plurality of beam-guide holes, a non-holed portion externally surrounding the hole-formation portion while being shaped with a rectangular frame, and a skirt bent from the outer periphery of the non-holed portion to the rear of the panel. The skirt has a basic etching portion half-etched at a predetermined roughness. The components of the shadow mask are integrated into one body. A welding portion is formed at the bottom of the skirt with a plurality of welding points. A mask frame is internally suspension-fitted to the panel while being welded to the skirt to support the shadow mask.
    Type: Application
    Filed: October 17, 2002
    Publication date: May 8, 2003
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Jun-Jong Lee, Kyou-Bong Lee, Jong-Han Rhee, Sang-Ho Jeon
  • Publication number: 20030048061
    Abstract: A tension mask for a color cathode-ray tube includes a plurality of strips separated by a predetermined distance and connected by real bridges. The strips define slots, through which an electron beam passes, together with the real bridges. The slots are formed such that the width of middle portions of the slots is narrower than the width of upper and lower portions of the slots in order to compensate for contraction of the strips arising when tension is applied to the strips.
    Type: Application
    Filed: September 3, 2002
    Publication date: March 13, 2003
    Inventors: Sang-Ho Jeon, Jong-Han Rhee, Kun-Moo Lee
  • Publication number: 20020190629
    Abstract: The present invention describes the details of a flat mask before tension is applied, an assembling method of that flat mask, and a tension mask assembly manufactured by using that method in order to obtain satisfactory thermal expansion, uniform stress distribution and linearity. The flat mask includes an apertured portion and supporting ends surrounding the apertured portion. The apertured portion comprises a plurality of concave pin-cushion type or convex barrel type strips, a plurality of real bridges connecting strips and dividing slots, and dummy bridges formed in the slots. The short supporting ends have the same width along a longitudinal direction and are formed to have the same curvature as the strips facing the supporting ends. The short supporting ends are preferably half-etched in order to make the volume of material removed from the short supporting ends greater than the volume of material removed from the apertured portion.
    Type: Application
    Filed: April 23, 2002
    Publication date: December 19, 2002
    Inventors: Sang-Ho Jeon, Jong-Han Rhee, Hyang-Jin Koh, Jun-Jong Lee, Dong-Hwan Kim
  • Publication number: 20020185952
    Abstract: 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.
    Type: Application
    Filed: May 23, 2002
    Publication date: December 12, 2002
    Inventors: Soon-Cheol Shin, Jong-Han Rhee, Sang-Ho Jeon, Jun-Jong Lee, Hyang-Jin Koh
  • Publication number: 20020117957
    Abstract: 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=0 and the other neighboring columns of m±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±2 in the long axis direction.
    Type: Application
    Filed: February 26, 2002
    Publication date: August 29, 2002
    Inventors: Jong-Han Rhee, Soon-Cheol Shin, Hyang-Jin Koh, Sang-Ho Jeon, Jun-Jong Lee
  • Publication number: 20010052746
    Abstract: 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.
    Type: Application
    Filed: April 20, 2001
    Publication date: December 20, 2001
    Inventors: Soon-Cheol Shin, Sung-Oh Rho, Chan-Yong Kim, Jong-Han Rhee
  • Publication number: 20010050524
    Abstract: A tension mask for a color cathode-ray tube, a method for manufacturing the tension mask, and an exposure mask for use in the manufacture of the tension mask are provided. The tension mask is manufactured by depositing photosensitive layers over the top and bottom surfaces of a steel foil. An upper exposure mask with a pattern including a series of parallel upper light transmission portions arranged in lines is aligned over the top surface of the steel foil, and a lower exposure mask with a pattern is aligned over the bottom surface of the steel foil. Here, the pattern of the lower exposure mask includes a series of parallel lower light transmission portions arranged in lines, a plurality of first light shielding portions intersecting adjacent lower light transmission portions among the series of the parallel lower light transmission portions, and a plurality of second light shielding portions partially extending between the edges of the adjacent lower light transmission portions.
    Type: Application
    Filed: April 18, 2001
    Publication date: December 13, 2001
    Inventors: Deok-Hyeon Choe, Jong-Han Rhee, Sang-Ho Jeon, Young-Bin Im