公开(公告)号：JP2003157775A

公开(公告)日：2003-05-30

申请号：JP2001357712

申请日：2001-11-22

Applicant: CANON KK

Inventor： ARAI YOSHITAKA ,  KOBAYASHI TAMAKI ,  MIYAZAKI KAZUYA

IPC: H01J9/02 ,  H01J1/316 ,  H01J29/04 ,  H01J31/12

Abstract: PROBLEM TO BE SOLVED: To provide an electron source substrate and its manufacturing method with degradation prevented of electron emission characteristics of an electron emission element due to diffusion of wiring metal through an element electrode to conductive thin films, and an image forming device by the use of the electron source substrate. SOLUTION: With the electron source substrate with an electron emission element having an electron-emitting part each formed on a pair of element electrodes connected to metal wiring, the element electrodes are all or partly made of a heat-resistant alloy, and that, standard electrode potential of elements constituting the heat-resistant alloy is lower than that of elements constituting the metal wiring.

公开(公告)号：JP2001076650A

公开(公告)日：2001-03-23

申请号：JP2000218208

申请日：2000-07-19

Applicant: CANON KK

Inventor： HASEGAWA MITSUTOSHI ,  GOFUKU IHACHIROU ,  ARAI YOSHITAKA ,  HAMAMOTO YASUHIRO ,  SHIGEOKA KAZUYA

IPC: H01J9/39 ,  H01J29/94 ,  H01J31/12

Abstract: PROBLEM TO BE SOLVED: To provide an image display device having electron sources less liable to aged deterioration in electron emitting characteristic and having brightness less liable to aging changes (age deterioration), and to provide a manufacturing method thereof. SOLUTION: This image display device is equipped with an enclosure 5, made up of members including a first substrate 1 and a second substrate 6 spaced therefrom, electron sources disposed on the first substrate 1 in the enclosure 5, and a phosphor film 7 and an acceleration electrode 8, disposed on the second substrate 6. First getters 9 are disposed inside an image displaying area X in the enclosure 5, and second getters 14 insulated from the electron sources and from the acceleration electrode are disposed so as to surround the first getters 9.

公开(公告)号：JP2000133174A

公开(公告)日：2000-05-12

申请号：JP30520898

申请日：1998-10-27

Applicant: CANON KK

Inventor： GOFUKU IHACHIROU ,  HASEGAWA MITSUTOSHI ,  HAMAMOTO YASUHIRO ,  SHIGEOKA KAZUYA ,  ARAI YOSHITAKA

IPC: H01J9/39 ,  H01J1/316 ,  H01J9/02 ,  H01J29/94 ,  H01J31/12

Abstract: PROBLEM TO BE SOLVED: To provide an image display device capable of inhibiting deterioration of element characteristics as the amount of electrons emitted from electron emission elements becomes stable, and restraining brightness from decreasing and becoming uneven. SOLUTION: To manufacture an image forming device in which an electron source substrate 1 with a plurality of electron emission elements aligned thereon and a faceplate 4 having a fluorescent film 7 are opposed together to form an envelope 5, a nonevaporative getter 9 that is thermally activated at a temperature of 250 deg.C or higher is formed within an image display area on the electron source substrate 1 and activated by heating during the process of evacuating the inside of the envelope 5.

公开(公告)号：JP2000133136A

公开(公告)日：2000-05-12

申请号：JP30520798

申请日：1998-10-27

Applicant: CANON KK

Inventor： GOFUKU IHACHIROU ,  HASEGAWA MITSUTOSHI ,  HAMAMOTO YASUHIRO ,  SHIGEOKA KAZUYA ,  ARAI YOSHITAKA

IPC: H01J9/39 ,  H01J9/02 ,  H01J29/94 ,  H01J31/12

Abstract: PROBLEM TO BE SOLVED: To stabilize an electron emitting amount from an electron emitting element, suppress deterioration of an element characteristic, suppress reduction of brightness, and uneveness of brightness. SOLUTION: In a manufacturing method for an image forming device, an envelope 5 is formed in such a way that an electron source substrate 1 in which a plurality of electron emitting elements provided with a conductive film 108 including an electron emitting part are arranged, and a face-plate 4 having a fluorescent screen 7 are disposed opposing to each other; and a liquid including raw material for the conductive film 108 is supplied by ink-jet system, and furthermore baked so as to form the conductive film 108, and thereby non- evaporative getter type 9 is formed on the electron source substrate 1.

公开(公告)号：JP2000133118A

公开(公告)日：2000-05-12

申请号：JP30979798

申请日：1998-10-30

Applicant: CANON KK

Inventor： ARAI YOSHITAKA ,  HASEGAWA MITSUTOSHI ,  GOFUKU IHACHIROU ,  SHIGEOKA KAZUYA ,  HAMAMOTO YASUHIRO

IPC: H01J29/04 ,  H01J1/316 ,  H01J7/18 ,  H01J29/94 ,  H01J31/12

Abstract: PROBLEM TO BE SOLVED: To provide a surface conductive type electron emitting element in which stable electron emitting characteristic can be obtained for a long period of time. SOLUTION: In an electron emitting element having a conductive film 4 including an electron emitter 5 between a pair of elemental electrodes 2, 3, an insulating film 6 having an opening 8 is formed in a region including the electron emitter 5 on a part of the element or the entire element. A non- evaporation type getter layer 7 is laid on the insulating film 6.

公开(公告)号：JP2003157782A

公开(公告)日：2003-05-30

申请号：JP2001354707

申请日：2001-11-20

Applicant: CANON KK

Inventor： ARAI YOSHITAKA ,  MOGI SATOSHI

IPC: H01J29/04 ,  H01J31/12

Abstract: PROBLEM TO BE SOLVED: To prevent element discharge due to abnormal electric field or the like in an electron emission element. SOLUTION: An element electrode has a resistance (reactance) in a zigzag shape.

公开(公告)号：JP2002216614A

公开(公告)日：2002-08-02

申请号：JP2001009922

申请日：2001-01-18

Applicant: CANON KK

Inventor： KOBAYASHI TAMAKI ,  MIYAZAKI KAZUYA ,  ARAI YOSHITAKA

IPC: H01J9/02 ,  H01J1/316 ,  H01J29/04 ,  H01J31/12

Abstract: PROBLEM TO BE SOLVED: To prevent a wiring metal from degradation and variation in an electron emission characteristic of its electron emission device due to its diffu sion into a conductive thin film without contacting to the conductive thin film. SOLUTION: The image generator is provided with an electron emission device 11 containing a pair of electrodes 2/3 located via a sodium diffusion control layer 9 and wires 6/7 respectively-connected with the electrodes 2/3 on its basic substance 1. At least part of the component for these electrodes 2/3 is made of a noble metallic element having its own standard single electrode potential lower than that of the component forming the wires 6/7, while the wires 6/7 are composed of either any one of metals such as Ag, Cu, Au or any alloy containing any one of these metals. Additionally the conductive thin film 4 containing an electron emitting section 5 is composed of either Pd, PdO, or a mixture of these elements.

公开(公告)号：JP2000311638A

公开(公告)日：2000-11-07

申请号：JP24000499

申请日：1999-08-26

Applicant: CANON KK

Inventor： SHIGEOKA KAZUYA ,  ARAI YOSHITAKA ,  HASEGAWA MITSUTOSHI ,  GOFUKU IHACHIROU ,  TAKAGI HIROTSUGU

IPC: H01J29/94 ,  H01J31/12

Abstract: PROBLEM TO BE SOLVED: To provide an arrangement of a getter, especially a non-evaporation type getter, capable of efficiently adsorbing the residual gas molecule in an envelope sealed in vacuum. SOLUTION: An envelope 5 is formed of at least an electron source substrate 1 having plural electron emitting elements and an image forming member arranged corresponding to the electron source substrate 1, and inside of the envelope 5 is maintained vacuum while being sealed. In this image forming device, as a getter for adsorbing the discharged gas inside of the envelope 5, a non- evaporation type getter is used, and fixed to the inside of the envelope 5 through the adhesive agent 15.

公开(公告)号：JP2000251768A

公开(公告)日：2000-09-14

申请号：JP4919699

申请日：1999-02-25

Applicant: CANON KK

Inventor： HASEGAWA MITSUTOSHI ,  SHIGEOKA KAZUYA ,  ARAI YOSHITAKA ,  UEDA HIROHARU

IPC: G09F9/30 ,  H01J5/24 ,  H01J9/26 ,  H01J29/86 ,  H01J31/12

Abstract: PROBLEM TO BE SOLVED: To provide an enclosure for an image display device less in brightness reduction or life shortening, high in display quality, and sufficient in getter effect, by realizing an adhesion process at a temperature about 400 deg.C or below required at the minimum for a frit adhesion (sealing) process. SOLUTION: A rear plate 2 and a face plate 4 are joined respectively at joining parts to an outer frame 3 by an adhesive 9 and sealing material 14. The sealing material is selected from metals or alloys, such as In, Al, Cu, Au, Ag, Pt, Ti, Ni or the like, or organic adhesives, inorganic adhesives or the like with surfaces coated with the metal or the alloy. The adhesive is selected from organic adhesives containing a polyphenyl compound, a polybenzimidazole resin, a polyimide resin or the like, inorganic adhesives containing alumina, silica, zirconia or carbon, or the like.

公开(公告)号：JP2000243233A

公开(公告)日：2000-09-08

申请号：JP4564299

申请日：1999-02-24

Applicant: CANON KK

Inventor： TAMURA MIKI ,  ARAI YOSHITAKA ,  YAMAMOTO KEISUKE

IPC: H01J1/316 ,  H01J9/02 ,  H01J29/04 ,  H01J31/12

Abstract: PROBLEM TO BE SOLVED: To provide an electron emission element, capable of maintaining excellent electron emitting characteristics and high luminance over a long time, and a manufacturing method for it. SOLUTION: After element electrodes 2, 3 and a conductive film 4 are formed on a base 1, a coated layer 6 of nickel, cobalt, iron or an oxide of either one of them is formed on the conductive film 4, and thereafter an electron emission part 5 is formed. An activating treatment is then applied to it, and graphite carbon having high orientation property and high crystalline property is deposited on the electron emission part 5 or in its vicinity.