GB2308495B - A Cathode structure body and a method of coating an emitter - Google Patents

A Cathode structure body and a method of coating an emitter

Info

Publication number: GB2308495B
Authority: GB; United Kingdom
Prior art keywords: emitter; coating; structure body; cathode structure; cathode
Prior art date: 1995-12-20
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired - Fee Related

Application number

GB9626424A

Other versions

GB2308495A (en

GB9626424D0 (en

Inventor

Gyeong-Sang Lee

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

LG Electronics Inc

Original Assignee

LG Electronics Inc

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1995-12-20

Filing date

1996-12-19

Publication date

2000-08-30

1996-12-19 Application filed by LG Electronics Inc filed Critical LG Electronics Inc

1997-02-05 Publication of GB9626424D0 publication Critical patent/GB9626424D0/en

1997-06-25 Publication of GB2308495A publication Critical patent/GB2308495A/en

2000-08-30 Application granted granted Critical

2000-08-30 Publication of GB2308495B publication Critical patent/GB2308495B/en

2016-12-19 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/13—Solid thermionic cathodes
- H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment

GB9626424A 1995-12-20 1996-12-19 A Cathode structure body and a method of coating an emitter Expired - Fee Related GB2308495B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
KR1019950052917A KR100195955B1 (en)	1995-12-20	1995-12-20	Cathode structure and the coating method of electron emitter

Publications (3)

Publication Number	Publication Date
GB9626424D0 GB9626424D0 (en)	1997-02-05
GB2308495A GB2308495A (en)	1997-06-25
GB2308495B true GB2308495B (en)	2000-08-30

Family

ID=19442000

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB9626424A Expired - Fee Related GB2308495B (en)	1995-12-20	1996-12-19	A Cathode structure body and a method of coating an emitter

Country Status (6)

Country	Link
JP (1)	JPH09180622A (en)
KR (1)	KR100195955B1 (en)
CN (1)	CN1089478C (en)
BR (1)	BR9606144A (en)
GB (1)	GB2308495B (en)
MY (1)	MY117904A (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
KR20000010147A (en) *	1998-07-30	2000-02-15	구자홍	Cathode for cathode ray tube
US6290564B1 (en) *	1999-09-30	2001-09-18	Motorola, Inc.	Method for fabricating an electron-emissive film
JP3639808B2 (en)	2000-09-01	2005-04-20	キヤノン株式会社	Electron emitting device, electron source, image forming apparatus, and method of manufacturing electron emitting device
JP3658346B2 (en)	2000-09-01	2005-06-08	キヤノン株式会社	Electron emitting device, electron source and image forming apparatus, and method for manufacturing electron emitting device
JP3634781B2 (en)	2000-09-22	2005-03-30	キヤノン株式会社	Electron emission device, electron source, image forming device, and television broadcast display device
FR2821205A1 (en) *	2001-02-19	2002-08-23	Thomson Tubes & Displays	Electron gun incorporating a cathode made from a mixture containing barium and a co-evaporative material to reduce parasitic emissions
JP3768908B2 (en)	2001-03-27	2006-04-19	キヤノン株式会社	Electron emitting device, electron source, image forming apparatus
JP3703415B2 (en)	2001-09-07	2005-10-05	キヤノン株式会社	ELECTRON EMITTING ELEMENT, ELECTRON SOURCE, IMAGE FORMING APPARATUS, AND METHOD FOR MANUFACTURING ELECTRON EMITTING ELEMENT AND ELECTRON SOURCE
JP3605105B2 (en) *	2001-09-10	2004-12-22	キヤノン株式会社	Electron emitting element, electron source, light emitting device, image forming apparatus, and method of manufacturing each substrate
KR100490170B1 (en) *	2003-07-10	2005-05-16	엘지.필립스 디스플레이 주식회사	Cathode of CRT
CN105788996B (en) *	2014-12-22	2018-02-06	中国电子科技集团公司第十二研究所	A kind of submicron film scandium tungsten cathode and preparation method thereof
KR20190001149U (en)	2017-11-07	2019-05-15	김성열	Wig
KR20190082380A (en)	2017-12-30	2019-07-10	이성민	Wig
CN111739771A (en) *	2020-06-30	2020-10-02	西安稀有金属材料研究院有限公司	Scandium-containing strontium active material for heat cathode material

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB929002A (en) *	1959-06-23	1963-06-19	Philips Electrical Ind Ltd	Improvements in or relating to cathodes for electric discharge tubes
GB994151A (en) *	1961-03-08	1965-06-02	Philips Electronic Associated	Improvements in or relating to electric discharge tubes
EP0445956A2 (en) *	1990-03-07	1991-09-11	Mitsubishi Denki Kabushiki Kaisha	Electron tube cathode
EP0560436A1 (en) *	1992-03-07	1993-09-15	Philips Patentverwaltung GmbH	Cathode with solid element

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2897938B2 (en) *	1991-01-25	1999-05-31	三菱電機株式会社	Cathode for electron tube

1995
- 1995-12-20 KR KR1019950052917A patent/KR100195955B1/en not_active IP Right Cessation
1996
- 1996-12-10 CN CN96120538A patent/CN1089478C/en not_active Expired - Fee Related
- 1996-12-17 JP JP35334596A patent/JPH09180622A/en active Pending
- 1996-12-19 MY MYPI96005375A patent/MY117904A/en unknown
- 1996-12-19 GB GB9626424A patent/GB2308495B/en not_active Expired - Fee Related
- 1996-12-20 BR BR9606144A patent/BR9606144A/en not_active Application Discontinuation

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB929002A (en) *	1959-06-23	1963-06-19	Philips Electrical Ind Ltd	Improvements in or relating to cathodes for electric discharge tubes
GB994151A (en) *	1961-03-08	1965-06-02	Philips Electronic Associated	Improvements in or relating to electric discharge tubes
EP0445956A2 (en) *	1990-03-07	1991-09-11	Mitsubishi Denki Kabushiki Kaisha	Electron tube cathode
EP0560436A1 (en) *	1992-03-07	1993-09-15	Philips Patentverwaltung GmbH	Cathode with solid element

Also Published As

Publication number	Publication date
GB2308495A (en)	1997-06-25
JPH09180622A (en)	1997-07-11
GB9626424D0 (en)	1997-02-05
MY117904A (en)	2004-08-30
KR970051633A (en)	1997-07-29
KR100195955B1 (en)	1999-06-15
CN1173036A (en)	1998-02-11
BR9606144A (en)	1998-11-03
CN1089478C (en)	2002-08-21

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Legal Events

Date	Code	Title	Description
2008-08-27	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 20071219