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公开(公告)号：US3551717A
公开(公告)日：1970-12-29
申请号：US3551717D
申请日：1969-03-06
Applicant: MATSUSHITA ELECTRONICS CORP
Inventor： KATO YOSHIO , KONOSU OSAMU , NAKAGAWA YOSHIO
CPC classification number: H01J23/005 , H01J19/36 , H01J2893/0027
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公开(公告)号：DE69407216D1
公开(公告)日：1998-01-22
申请号：DE69407216
申请日：1994-05-17
Applicant: MATSUSHITA ELECTRONICS CORP
Inventor： OKAMOTO TAKAMI , MAKI HIDEAKI , KONOSU OSAMU
Abstract: In the bulb of a color cathode ray tube, a flat glass panel having a substantially uniform thickness is used. The flat glass panel has a glass wall which extends in a substantially vertical direction from the flat glass panel. The glass wall adheres to a funnel, which includes a neck portion in which an electron gun is disposed, by means of a glass adhesive so as to form the bulb. A shadow mask on which a number of apertures are formed is fixed to a frame with an appropriate tensile stress and the frame is mounted on the glass wall. The shadow mask is disposed at a position close to the phosphor screen formed on the inner surface of the flat glass panel, facing thereto. On the outer surface of the flat glass panel, a resin film comprising at least one layer is attached by means of an adhesive. The resin film has appropriate mechanical, optical and electrical properties with which the flat glass panel should have. Thus, various properties of the flat glass panel can be controlled. As a result, it makes it possible to provide a high-performance color cathode ray tube using a thin flat glass panel which has a sufficiently large mechanical strength and desirable optical characteristics, capable of displaying images with high resolution and high color tone without distortion over the entire front surface.
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公开(公告)号：DE69110931D1
公开(公告)日：1995-08-10
申请号：DE69110931
申请日：1991-03-21
Applicant: MATSUSHITA ELECTRONICS CORP
Inventor： WAKASONO HIROMI , ADACHI OSAMU , KONOSU OSAMU , ASHIZAKI SHIGEYA
Abstract: A shadow mask type color cathode ray tube which has a face panel (6) whose screen face is flattened to more than two times the flatness of the conventional flat panels without reducing the resistance of the glass bulb to outside pressure in spite of its relatively thin glass wall, end has an enhanced reflection characteristic of incident light as well as improved local doming characteristics.
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公开(公告)号：GB2235575B
公开(公告)日：1994-05-11
申请号：GB9016729
申请日：1990-07-31
Inventor： IWASAKI KATSUYO , KONOSU OSAMU , SENJU AKIO
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公开(公告)号：DE3132812A1
公开(公告)日：1982-04-29
申请号：DE3132812
申请日：1981-08-19
Applicant: MATSUSHITA ELECTRONICS CORP
Inventor： KONOSU OSAMU
Abstract: An electromagnetic deflection type picture tube has (a) a first field-control element which is disposed between the electron-beam emission end of an electron gun and a deflection yoke, comprising a pair of magnetic pieces disposed on the opposite sides of the path of an electron beam and being adapted to produce or introduce a barrel- or pincushion-like local field distortion which is opposite to a pincushion- or barrel-like deflection field distortion produced by the deflection yoke by introducing the rise portion of the deflection field; and (b) a second field-control element which is disposed between the electron-beam emission end of the electron gun and the first field-control element, comprising a pair of magnetic pieces disposed on the opposite sides of the path of the electron beam and being adapted to produce or introduce a pincushion- or barrel-like local field distortion which is opposite to the barrel- or pincushion-like local field distortion produced by the first field-control element. A positive or negative comma aberration imparted to the electron beam by the second field-control element is compensated for by a negative or positive comma aberration imparted to the electron beam by the first field-control element so that on leaving the latter, the electron beam sustains only an astigmatism, positive or negative, which is compensated for or corrected by an astigmatism, negative or positive, imparted to the electron beam passing through the deflection field. Thus, distortions of beam spots at the edges of a screen can be substantially eliminated.
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Patent Agency Ranking
公开(公告)号：GB2186422B
公开(公告)日：1990-05-16
申请号：GB8701478
申请日：1987-01-23
Applicant: MATSUSHITA ELECTRONICS CORP
Inventor： HOSOKOSHI KAKUICHIRO , ASHIZAKI SHIGEYA , KONOSU OSAMU , ADACHI OSAMU
IPC: H01J29/86
Abstract: In a color picture tube, curvature of outside face of said face panel is defined by wherein Z is a distance in a direction of tube axis from an X-Y plane tangential at the center of the face, r is a distance from the center of the face panel to said point therealong, and A and B are constants of positive integers, respectively; thus the face panel excludes point of inflection and the reproduced picture thereon has a flat appearance, without trouble of undesirable doming of shadow mask.
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公开(公告)号：DE3702206A1
公开(公告)日：1987-08-06
申请号：DE3702206
申请日：1987-01-26
Applicant: MATSUSHITA ELECTRONICS CORP
Inventor： HOSOKOSHI KAKUICHIRO , ASHIZAKI SHIGEYA , KONOSU OSAMU , ADACHI OSAMU
Abstract: In a color picture tube, curvature of outside face of said face panel is defined by wherein Z is a distance in a direction of tube axis from an X-Y plane tangential at the center of the face, r is a distance from the center of the face panel to said point therealong, and A and B are constants of positive integers, respectively; thus the face panel excludes point of inflection and the reproduced picture thereon has a flat appearance, without trouble of undesirable doming of shadow mask.
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公开(公告)号：DE1911770A1
公开(公告)日：1969-10-09
申请号：DE1911770
申请日：1969-03-07
Applicant: MATSUSHITA ELECTRONICS CORP
Inventor： KATO YOSHIO , KONOSU OSAMU , NAKAGAWA YOSHIO
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公开(公告)号：DE69407216T2
公开(公告)日：1998-04-16
申请号：DE69407216
申请日：1994-05-17
Applicant: MATSUSHITA ELECTRONICS CORP
Inventor： OKAMOTO TAKAMI , MAKI HIDEAKI , KONOSU OSAMU
Abstract: In the bulb of a color cathode ray tube, a flat glass panel having a substantially uniform thickness is used. The flat glass panel has a glass wall which extends in a substantially vertical direction from the flat glass panel. The glass wall adheres to a funnel, which includes a neck portion in which an electron gun is disposed, by means of a glass adhesive so as to form the bulb. A shadow mask on which a number of apertures are formed is fixed to a frame with an appropriate tensile stress and the frame is mounted on the glass wall. The shadow mask is disposed at a position close to the phosphor screen formed on the inner surface of the flat glass panel, facing thereto. On the outer surface of the flat glass panel, a resin film comprising at least one layer is attached by means of an adhesive. The resin film has appropriate mechanical, optical and electrical properties with which the flat glass panel should have. Thus, various properties of the flat glass panel can be controlled. As a result, it makes it possible to provide a high-performance color cathode ray tube using a thin flat glass panel which has a sufficiently large mechanical strength and desirable optical characteristics, capable of displaying images with high resolution and high color tone without distortion over the entire front surface.
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公开(公告)号：GB2186422A
公开(公告)日：1987-08-12
申请号：GB8701478
申请日：1987-01-23
Applicant: MATSUSHITA ELECTRONICS CORP
Inventor： HOSOKOSHI KAKUICHIRO , ASHIZAKI SHIGEYA , KONOSU OSAMU , ADACHI OSAMU
Abstract: In a color picture tube, curvature of outside face of said face panel is defined by wherein Z is a distance in a direction of tube axis from an X-Y plane tangential at the center of the face, r is a distance from the center of the face panel to said point therealong, and A and B are constants of positive integers, respectively; thus the face panel excludes point of inflection and the reproduced picture thereon has a flat appearance, without trouble of undesirable doming of shadow mask.
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