EP0406503A3 - Color cathode ray tube lacking inner shield - Google Patents

Color cathode ray tube lacking inner shield Download PDF

Info

Publication number
EP0406503A3
EP0406503A3 EP19890403138 EP89403138A EP0406503A3 EP 0406503 A3 EP0406503 A3 EP 0406503A3 EP 19890403138 EP19890403138 EP 19890403138 EP 89403138 A EP89403138 A EP 89403138A EP 0406503 A3 EP0406503 A3 EP 0406503A3
Authority
EP
European Patent Office
Prior art keywords
ray tube
cathode ray
color cathode
inner shield
tube lacking
Prior art date
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.)
Withdrawn
Application number
EP19890403138
Other versions
EP0406503A2 (en
Inventor
Sin Yong-Du
Suk-Jae Lee
Hyeong-Seob Lim
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.)
Samsung SDI Co Ltd
Original Assignee
Samsung Electron Devices Co Ltd
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.)
Filing date
Publication date
Application filed by Samsung Electron Devices Co Ltd filed Critical Samsung Electron Devices Co Ltd
Publication of EP0406503A2 publication Critical patent/EP0406503A2/en
Publication of EP0406503A3 publication Critical patent/EP0406503A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/06—Screens for shielding; Masks interposed in the electron stream
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/86—Vessels; Containers; Vacuum locks
    • H01J29/88—Vessels; Containers; Vacuum locks provided with coatings on the walls thereof; Selection of materials for the coatings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/88—Coatings
    • H01J2229/882—Coatings having particular electrical resistive or conductive properties
EP19890403138 1989-07-06 1989-11-15 Color cathode ray tube lacking inner shield Withdrawn EP0406503A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR899624 1989-07-06
KR1019890009624A KR910010104B1 (en) 1989-07-06 1989-07-06 Color cathode ray tube without innnershield

Publications (2)

Publication Number Publication Date
EP0406503A2 EP0406503A2 (en) 1991-01-09
EP0406503A3 true EP0406503A3 (en) 1991-07-24

Family

ID=19287859

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19890403138 Withdrawn EP0406503A3 (en) 1989-07-06 1989-11-15 Color cathode ray tube lacking inner shield

Country Status (6)

Country Link
EP (1) EP0406503A3 (en)
JP (1) JPH0343943A (en)
KR (1) KR910010104B1 (en)
CN (1) CN1048631A (en)
ES (1) ES2025871A6 (en)
MY (1) MY105192A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5536997A (en) * 1991-05-08 1996-07-16 U.S. Philips Corporation Cathode ray tube
KR100403393B1 (en) * 1996-05-31 2004-02-05 오리온전기 주식회사 Method for depositing conductive film for cathode ray tube
KR20010055983A (en) * 1999-12-13 2001-07-04 이완두 Cathode ray tube having inner and outer conducting layers thereon and the method of forming the same

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2721995A (en) * 1953-06-15 1955-10-25 Magnetic Metals Company Cathode ray tube shield structures
US3443138A (en) * 1966-11-08 1969-05-06 Nat Video Corp Magnetic shielding means for cathode ray tube
DE2050841A1 (en) * 1970-10-16 1972-05-04 Licentia Gmbh Cathode ray tubes, in particular color television picture tubes
FR2441918A1 (en) * 1978-11-20 1980-06-13 Gte Sylvania Inc INTERNAL COATING FOR CATHODE RAY TUBE INCLUDING A GETTER

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5149671A (en) * 1974-10-26 1976-04-30 Asahi Glass Co Ltd TAIDENATSU TOKUSEIOKOJOSHITA INKYOKUSENKAN
JPS51120924A (en) * 1975-04-15 1976-10-22 Daido Steel Co Ltd Alloy with quick machinability and high magnetic permeability
JPS59171439A (en) * 1983-03-18 1984-09-27 Hitachi Ltd Color braun tube
JPH01169855A (en) * 1987-12-25 1989-07-05 Hitachi Ltd Cathode-ray tube

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2721995A (en) * 1953-06-15 1955-10-25 Magnetic Metals Company Cathode ray tube shield structures
US3443138A (en) * 1966-11-08 1969-05-06 Nat Video Corp Magnetic shielding means for cathode ray tube
DE2050841A1 (en) * 1970-10-16 1972-05-04 Licentia Gmbh Cathode ray tubes, in particular color television picture tubes
FR2441918A1 (en) * 1978-11-20 1980-06-13 Gte Sylvania Inc INTERNAL COATING FOR CATHODE RAY TUBE INCLUDING A GETTER

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, vol. 9, no. 27 (E-294)[1750], 6th February 1985; & JP-A-59 171 439 (HITACHI SEISAKUSHO K.K.) 27-09-1984 *
R.C. WEAST (ed.): "CRC Handbook of Chemistry and Physics", 63rd edition 1982-1983, Chemical Rubber Co., Cleveland, Ohio, US *

Also Published As

Publication number Publication date
KR910003733A (en) 1991-02-28
JPH0343943A (en) 1991-02-25
EP0406503A2 (en) 1991-01-09
KR910010104B1 (en) 1991-12-16
CN1048631A (en) 1991-01-16
ES2025871A6 (en) 1992-04-01
MY105192A (en) 1994-08-30

Similar Documents

Publication Publication Date Title
EP0424888A3 (en) Color cathode ray tube apparatus
EP0304922A3 (en) Color cathode ray tube
EP0226423A3 (en) Color cathode ray tube
DE3665960D1 (en) Color cathode ray tube
EP0201098A3 (en) Color cathode ray tube
GB8707975D0 (en) Colour cathode ray tube
EP0195357A3 (en) Color cathode ray tube
EP0207724A3 (en) Colour cathode ray tube
GB8717984D0 (en) Colour cathode ray tube
EP0281379A3 (en) Shadow mask type color cathode ray tube
EP0424946A3 (en) Color cathode ray tube apparatus
GB8708574D0 (en) Colour cathode ray tube
EP0273465A3 (en) Colour cathode ray tube
EP0188310A3 (en) Color cathode ray tube
GB8819715D0 (en) Colour screen structures for cathode ray tubes
KR910000923B1 (en) Color cathode ray tube having shadow mask assembly
GB2221085B (en) Shadow mask assembly for colour cathode ray tube
EP0196827A3 (en) Colour cathode ray tube
EP0406503A3 (en) Color cathode ray tube lacking inner shield
EP0238019A3 (en) Color cathode ray tube
KR960008926B1 (en) Colour cathode ray tube
EP0198494A3 (en) Color cathode ray tube
EP0284163A3 (en) Colour cathode ray tube
EP0438139A3 (en) Color cathode ray tube
KR970011876B1 (en) Color cathode ray tube

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): DE FR GB NL

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): DE FR GB NL

17P Request for examination filed

Effective date: 19911209

17Q First examination report despatched

Effective date: 19940415

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19940826