Abstract: An image display apparatus is provided with a vacuum chamber consisting of an electron source substrate and an image display substrate, and an ion pump which is attached to an electron-emitting substrate or the image display substrate and exhausts air from the vacuum chamber by the action of a magnet, wherein the magnet is attached and fixed to the substrate to which the ion pump has been attached. Thereby, the image display apparatus prevents the magnet from applying an excessive force to the ion pump by its weight, and acquires a stable structure without causing a vacuum leak.

Abstract: In an image display apparatus composed of a vacuum container having an electron source composed of multiple electron-emitting devices and a phosphor film that is irradiated with an electron from the electron source to emit light for display, an ion pump for exhausting the vacuum container through a communicating path by virtue of an action of a magnetism forming portion is arranged. A magnetic shielding member is arranged in a space where the ion pump and the electron-emitting devices are in communication with each other, whereby an influence of a magnetic field generated by the magnetism forming portion on the trajectory of an electron emitted from any one of the electron-emitting devices and display luminance unevenness incidental to the influence are removed.

Abstract: In an image display device having in an airtight container an electron source and an image display member that receives electrons from the electron source, an evaporating getter and a non-evaporating getter are stacked in the airtight container. This makes it possible to maintain the vacuum level in the airtight container. The image display device thus obtains a prolonged life and a stable display operation.

Abstract: An image display apparatus for forming an image in an image displaying region provided with a vacuum chamber having an electron source substrate and an image forming substrate has an ion pump for evacuating the vacuum chamber by an action of a magnet-filed-forming portion through an aperture portion formed in the electron source substrate or an image displaying substrate, wherein the magnet-filed-forming portion is arranged so that a shadow formed by perpendicularly projecting the magnet-filed-forming portion onto the electron source substrate or the image forming substrate can be located outside the image displaying region.

Abstract: It is an object of the present invention to provide an image display apparatus in which the change over time of its electron source characteristics is small, and in which uneven brightness and color shift of an image is almost unnoticeable. To achieve this object, the present invention is directed to an image display apparatus containing an electron source substrate having a plurality of electron-emitting devices arrayed thereon, an image forming substrate arranged so as to face the electron source substrate and having a phosphor film and an anode electrode film, and magnetic field generating means, wherein a component parallel to the electron source substrate of a magnetic flux density of a magnetic field generated by the magnetic field generating means is not greater than 0.01 Tesla at any location of the electron-emitting devices.

Abstract: Provided is an image display apparatus, including: a vacuum container which includes an electron source and an anode electrode opposed to the electron source; and an ion pump arranged so as to communicate through the vacuum container, in which: an ion pump container is composed of a non-electroconductive material; and an electroconductive film is formed on an external surface of the vacuum container on a side on which the ion pump container is mounted or on an internal surface of the ion pump container. The image display apparatus achieves: a reduction in weight of the ion pump; an improvement in compatibility to the vacuum container; and the prevention of an adverse effect of discharge inside the ion pump on image display.

Abstract: Provided is an image display apparatus including: a vacuum container having an electron source enclosed therein for displaying an image; an ion pump communicating with the vacuum container for discharging air therefrom and decreasing pressure therein; and a resistor connected in series with the ion pump with respect to a power supply for driving the ion pump. Even if internal resistance of the ion pump undergoes order-of-magnitude changes according to its operating state, current consumption can be suppressed and the ion pump can be driven efficiently.

Abstract: In an image display device having in an airtight container an electron source and an image display member that receives electrons from the electron source, an evaporating getter and a non-evaporating getter are stacked in the airtight container. This makes it possible to maintain the vacuum level in the airtight container. The image display device thus obtains a prolonged life and a stable display operation.

Abstract: In an image display device having in an airtight container an electron source and an image display member that receives electrons from the electron source, an evaporating getter and a non-evaporating getter are stacked in the airtight container. This makes it possible to maintain the vacuum level in the airtight container. The image display device thus obtains a prolonged life and a stable display operation.

Abstract: Provided is an image display apparatus including: a vacuum container having an electron source enclosed therein for displaying an image; an ion pump communicating with the vacuum container for discharging air therefrom and decreasing pressure therein; and a resistor connected in series with the ion pump with respect to a power supply for driving the ion pump. Even if internal resistance of the ion pump undergoes order-of-magnitude changes according to its operating state, current consumption can be suppressed and the ion pump can be driven efficiently.

Abstract: It is an object of the present invention to provide an image display apparatus in which the change over time of its electron source characteristics is small, and in which uneven brightness and color shift of an image is almost unnoticeable. To achieve this object, the present invention is directed to an image display apparatus containing an electron source substrate having a plurality of electron-emitting devices arrayed thereon, an image forming substrate arranged so as to face the electron source substrate and having a phosphor film and an anode electrode film, and magnetic field generating means, wherein a component parallel to the electron source substrate of a magnetic flux density of a magnetic field generated by the magnetic field generating means is not greater than 0.01 Tesla at any location of the electron-emitting devices.

Abstract: Provided is an image display apparatus, including: a vacuum container which includes an electron source and an anode electrode opposed to the electron source; and an ion pump arranged so as to communicate through the vacuum container, in which: an ion pump container is composed of a non-electroconductive material; and an electroconductive film is formed on an external surface of the vacuum container on a side on which the ion pump container is mounted or on an internal surface of the ion pump container. The image display apparatus achieves: a reduction in weight of the ion pump; an improvement in compatibility to the vacuum container; and the prevention of an adverse effect of discharge inside the ion pump on image display.

Abstract: An image display apparatus for forming an image in an image displaying region provided with a vacuum chamber having an electron source substrate and an image forming substrate has an ion pump for evacuating the vacuum chamber by an action of a magnet-filed-forming portion through an aperture portion formed in the electron source substrate or an image displaying substrate, wherein the magnet-filed-forming portion is arranged so that a shadow formed by perpendicularly projecting the magnet-filed-forming portion onto the electron source substrate or the image forming substrate can be located outside the image displaying region.

Abstract: In an image display apparatus composed of a vacuum container having an electron source composed of multiple electron-emitting devices and a phosphor film that is irradiated with an electron from the electron source to emit light for display, an ion pump for exhausting the vacuum container through a communicating path by virtue of an action of a magnetism forming portion is arranged. A magnetic shielding member is arranged in a space where the ion pump and the electron-emitting devices are in communication with each other, whereby an influence of a magnetic field generated by the magnetism forming portion on the trajectory of an electron emitted from any one of the electron-emitting devices and display luminance unevenness incidental to the influence are removed.

Abstract: An image display apparatus is provided with a vacuum chamber consisting of an electron source substrate and an image display substrate, and an ion pump which is attached to an electron-emitting substrate or the image display substrate and exhausts air from the vacuum chamber by the action of a magnet, wherein the magnet is attached and fixed to the substrate to which the ion pump has been attached. Thereby, the image display apparatus prevents the magnet from applying an excessive force to the ion pump by its weight, and acquires a stable structure without causing a vacuum leak.

Abstract: In an image display device having in an airtight container an electron source and an image display member that receives electrons from the electron source, an evaporating getter and a non-evaporating getter are stacked in the airtight container. This makes it possible to maintain the vacuum level in the airtight container. The image display device thus obtains a prolonged life and a stable display operation.

Abstract: An image display apparatus is provided with an external housing constituted by members including first and second substrates positioned with a gap therebetween, an electron source positioned on the first substrate in the external housing, and a fluorescent film and an accelerating electrode provided on the second substrate. A first getter is positioned in the image display area in the external housing. A second getter is provided, so that it is insulated from the electron source and the accelerating electrode, which surrounds the first getter.

Abstract: Image-forming apparatuses include getters that are suitably placed. The getters can be fixed using inorganic adhesives and function effectively by suitably setting weight ratios between getter powder and the adhesives.

Abstract: An image display apparatus is provided with an external housing constituted by members including first and second substrates positioned with a gap therebetween, an electron source positioned on the first substrate in the external housing, and a fluorescent film and an accelerating electrode provided on the second substrate. A first getter is positioned in the image display area in the external housing. And a second getter is so provided as to be insulated from the electron source and the accelerating electrode and as to surround the first getter.

Abstract: An image display apparatus is provided with an external housing constituted by members including first and second substrates positioned with a gap therebetween, an electron source positioned on the first substrate in the external housing, and a fluorescent film and an accelerating electrode provided on the second substrate. A first getter is positioned in the image display area in the external housing. And a second getter is so provided as to be insulated from the electron source and the accelerating electrode and as to surround the first getter.