EP0446878A3 - Image display element - Google Patents

Image display element Download PDF

Info

Publication number: EP0446878A3
Authority: EP; European Patent Office
Prior art keywords: image display; display element; image; display
Prior art date: 1990-03-14
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.): Granted

Application number

EP19910103789

Other versions

EP0446878A2 (en

EP0446878B1 (en

Inventor

Keiichi Otake

Noboru Aikawa

Atsunori Hosoki

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.)

Panasonic Holdings Corp

Original Assignee

Matsushita Electric Industrial 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.)

1990-03-14

Filing date

1991-03-13

Publication date

1992-03-25

1990-03-14 Priority claimed from JP6315890A external-priority patent/JPH03266339A/en

1991-03-13 Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd

1991-09-18 Publication of EP0446878A2 publication Critical patent/EP0446878A2/en

1992-03-25 Publication of EP0446878A3 publication Critical patent/EP0446878A3/en

1998-06-03 Application granted granted Critical

1998-06-03 Publication of EP0446878B1 publication Critical patent/EP0446878B1/en

2011-03-13 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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
- H01J29/10—Screens on or from which an image or pattern is formed, picked up, converted or stored
- H01J29/18—Luminescent screens
- H01J29/28—Luminescent screens with protective, conductive or reflective layers

EP19910103789 1990-03-14 1991-03-13 Image display element Expired - Lifetime EP0446878B1 (en)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
JP63158/90		1990-03-14
JP6315890A JPH03266339A (en)	1990-03-14	1990-03-14	Image display element
JP79442/90		1990-03-28
JP7944290		1990-03-28

Publications (3)

Publication Number	Publication Date
EP0446878A2 EP0446878A2 (en)	1991-09-18
EP0446878A3 true EP0446878A3 (en)	1992-03-25
EP0446878B1 EP0446878B1 (en)	1998-06-03

Family

ID=26404244

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19910103789 Expired - Lifetime EP0446878B1 (en)	1990-03-14	1991-03-13	Image display element

Country Status (2)

Country	Link
EP (1)	EP0446878B1 (en)
DE (1)	DE69129506T2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
KR960016719B1 (en) *	1993-02-08	1996-12-20	마쯔시다덴기산교 가부시기가이샤	Electron beam display and method of manufacturing the same
US20010038894A1 (en) *	2000-03-14	2001-11-08	Minoru Komada	Gas barrier film

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1281588B (en) *	1963-07-31	1968-10-31	Sony Corp	Cathode ray tube
DE2164174A1 (en) *	1970-12-28	1972-07-06	Rca Corp	A method of applying a carbon layer on a light-reflecting metal layer covering the phosphor layer on the faceplate portion of a cathode ray tube
GB2120840A (en) *	1982-05-12	1983-12-07	Philips Electronic Associated	Contrast improvement in vacuum image display devices

1991
- 1991-03-13 DE DE1991629506 patent/DE69129506T2/en not_active Expired - Fee Related
- 1991-03-13 EP EP19910103789 patent/EP0446878B1/en not_active Expired - Lifetime

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1281588B (en) *	1963-07-31	1968-10-31	Sony Corp	Cathode ray tube
DE2164174A1 (en) *	1970-12-28	1972-07-06	Rca Corp	A method of applying a carbon layer on a light-reflecting metal layer covering the phosphor layer on the faceplate portion of a cathode ray tube
GB2120840A (en) *	1982-05-12	1983-12-07	Philips Electronic Associated	Contrast improvement in vacuum image display devices

Also Published As

Publication number	Publication date
EP0446878A2 (en)	1991-09-18
DE69129506D1 (en)	1998-07-09
DE69129506T2 (en)	1998-10-01
EP0446878B1 (en)	1998-06-03

Publication	Publication Date	Title
US5187597B1 (en)	1996-05-14	Display unit
EP0471484A3 (en)	1993-05-12	Image display systems
EP0469923A3 (en)	1993-01-27	Image display systems
EP0447167A3 (en)	1992-07-22	Image display device
EP0451875A3 (en)	1993-05-12	Image displaying system
GB2260022B (en)	1996-01-17	Image display device
EP0455162A3 (en)	1992-01-15	Flat display
EP0476409A3 (en)	1992-12-09	Image display apparatus
EP0459496A3 (en)	1992-03-11	Image display device
GB9011344D0 (en)	1990-07-11	Display
AU115938S (en)	1992-12-11	Display Case
EP0449176A3 (en)	1991-11-27	Image display apparatus
GB2241813B (en)	1994-01-05	Display means
GB9005367D0 (en)	1990-05-02	Image display
EP0456500A3 (en)	1992-05-06	Image display device
EP0461657A3 (en)	1992-03-11	Flat display
EP0446878A3 (en)	1992-03-25	Image display element
KR100214782B1 (en)	1999-08-02	Television image display device
GB9020552D0 (en)	1990-10-31	Display unit
GB9012047D0 (en)	1990-07-18	Display unit
GB2243521B (en)	1993-12-08	Image display system
GB2243519B (en)	1994-03-23	Image display system
GB2245808B (en)	1994-06-08	Wide picture display device
EP0477843A3 (en)	1993-01-27	Image display system
CA67445S (en)	1990-11-13	Display element

Legal Events

Date	Code	Title	Description
1991-08-02	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
1991-09-18	17P	Request for examination filed	Effective date: 19910313
1991-09-18	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): DE FR GB NL
1992-02-04	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1992-03-25	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): DE FR GB NL
1993-12-08	17Q	First examination report despatched	Effective date: 19931022
1997-10-07	GRAG	Despatch of communication of intention to grant	Free format text: ORIGINAL CODE: EPIDOS AGRA
1997-12-05	GRAG	Despatch of communication of intention to grant	Free format text: ORIGINAL CODE: EPIDOS AGRA
1997-12-05	GRAH	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOS IGRA
1998-03-26	GRAH	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOS IGRA
1998-04-17	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1998-06-03	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): DE FR GB NL
1998-07-09	REF	Corresponds to:	Ref document number: 69129506 Country of ref document: DE Date of ref document: 19980709
1998-07-17	ET	Fr: translation filed
1999-04-09	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1999-04-09	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1999-05-26	26N	No opposition filed
2002-01-01	REG	Reference to a national code	Ref country code: GB Ref legal event code: IF02
2003-03-10	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: FR Payment date: 20030310 Year of fee payment: 13
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