Abstract:
The present invention provides a method of manufacturing an electron source which exhibits improved uniformity of electron emitting devices and electron emission properties, and a method of manufacturing an image forming apparatus which exhibits an excellent display quality for a long time. An electron source having a plurality of electron emitting devices is manufactured by disposing a plurality of units, each comprising a pair of electrodes and a polymer film for connecting the electrodes, on a substrate, disposing a plurality of wirings for connection to the pair of electrodes of the plurality of each unit, and decreasing the resistances of all polymer films respectively of the units. A next step includes applying a voltage to films formed by decreasing the resistances of the polymer films, through the wirings, to form a gap in each of the films formed by decreasing the resistance of the polymer films.
Abstract:
The present invention relates to an improved technique of an image display apparatus and a method for manufacturing the image display apparatus. The image display apparatus of the present invention is composed of a rear plate and a face plate disposed opposite to each other, the rear plate being equipped with a plurality of electron-emitting devices, each provided with a pair of electrodes and an electroconductive film including an electron-emitting region disposed between the electrodes, the face plate being equipped with a phosphor for displaying an image by being irradiated by electrons from the electron-emitting devices and a film exposed on a surface of the phosphor, the film comprising a metal or a metal compound material. The improved respects are that a film comprising the same metal or the same metal compound material as the metal or the metal compound material constituting the film exposed on the surface of the phosphor, the film formed on each of the electroconductive films of the plurality of electron-emitting devices to have a thickness in a range from 0.2 nm to 4.5 nm. Thereby, it is possible to provide an image display apparatus capable of keeping the homogeneity of brightness over a long period.
Abstract:
A surface conduction type electron-emitting display device and its manufacturing method capable of performing self-focusing so that electrons tunneled between a scan electrode and a data electrode do not spread is disclosed. A round groove is formed at a predetermined region of a lower substrate where a cell is formed so that tunneled electrons do not spread and have a curved line locus. Accordingly, electron beam distortion is prevented, and brightness and efficiency can be improved.
Abstract:
An image formation apparatus is disclosed which includes, within an enclosure configured by a pair of substrates placed face to face and an external frame placed between the substrates, an electron source placed on one of the pair of substrates, an image formation material placed on the other substrate, and spacers placed between the substrates, characterized in that the spacers and the external frame is conductive and device is provided for electrically connecting the spacers and the external frame so that the equipotential surfaces between the spacers and the external frame are quasi-parallel when driven.
Abstract:
A method for forming patterned insulating elements on a substrate includes a plurality of exposure steps of exposing a photosensitive paste provided on the substrate through at least one mask having a predetermined pattern; a developing step of developing the exposed photosensitive paste to form a precursor pattern; and a firing step of firing the precursor pattern to form the patterned insulating elements. This method is applied to a method for forming an electron source and a method for forming an image display device including the electron source.
Abstract:
The present invention provides an electron emitting device comprising: a pair of conductors opposed to each other on a substrate; and a pair of deposition films having carbon as a main component which are respectively connected to the pair of conductors and disposed with a gap therebetween. The deposition film contains sulfur in a range of not less than 1 mol % and not more than 5 mol % as a ratio to carbon.
Abstract:
A method and an apparatus of manufacturing an image displaying apparatus having an electron source substrate and a phosphor substrate. The electron source substrate is provided with an electron emitting element formed by covering with a container and by applying a voltage to an electronic conductor on the substrate. While, the phosphor substrate is provided with a phosphor thereon. The substrates are subjected to a getter processing and to a seal bonding process under a vacuum condition through a processing chamber, to complete an image forming apparatus. An improvement resides in miniaturizing and simplifying operation, and in greater manufacture speed and mass production.
Abstract:
An electron source/image display device manufacturing apparatus according to this invention includes (A) a support which supports a substrate having a first major surface and a second major surface on which a conductor is arranged, and includes a plurality of electrostatic chucks each having a conductive member, (B) a vessel which has a gas inlet port and an exhaust port, and covers part of the first major surface, (C) a valve connected to the inlet port to introduce gas into the vessel, (D) an exhaust system connected to the exhaust port to exhaust the gas from the vessel, and (E) a power supply for applying a predetermined potential difference between the conductor and the conductive member. This apparatus arrangement enables easy, stable processing in the “forming” and “activation” steps.
Abstract:
In an electron emitting device, an electron source and an image forming apparatus making use of it, and producing methods of them, an organic film is present on a pair of conductive films forming the electron emitting device. This organic film is placed in an area on the conductive films. This prevents occurrence of leak paths between the conductive films, which used to occur because of change of the organic film on the substrate into a conductor where the organic film existed on the substrate outside the area of the conductive films, and prevents decrease in electron emission efficiency.
Abstract:
An image displaying apparatus capable of suppressing abnormal discharges includes the following components. That is, the image displaying apparatus includes a rear plate 1005 provided with electron beam sources; a face plate 1007 having an anode 1014 that includes an imaging area equipped with phosphor membrane 1008 emitting light by the irradiation of an electron beam and is regulated at an electric potential higher than those of the electron beam sources, and a potential regulating electrode 1015 that is situated at the outside of the anode 1014 for regulating the outside at a predetermined electric potential lower than that of the anode 1014; and spacers 1012 provided between the rear plate 1005 and the face plate 1007, wherein the image displaying apparatus has a structure such that the spacers 1012 contact both of the anode 1014 and the potential regulating electrode 1015 and electrodes are formed at the contacting portions.