EP0527240A4 - Light projecting device - Google Patents

Light projecting device

Info

Publication number
EP0527240A4
EP0527240A4 EP19920906247 EP92906247A EP0527240A4 EP 0527240 A4 EP0527240 A4 EP 0527240A4 EP 19920906247 EP19920906247 EP 19920906247 EP 92906247 A EP92906247 A EP 92906247A EP 0527240 A4 EP0527240 A4 EP 0527240A4
Authority
EP
European Patent Office
Prior art keywords
light projecting
projecting device
light
projecting
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Withdrawn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
EP19920906247
Other versions
EP0527240A1 (en
Inventor
Masamitsu Uehara
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.)
Seiko Epson Corp
Original Assignee
Seiko Epson Corp
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 Seiko Epson Corp filed Critical Seiko Epson Corp
Publication of EP0527240A1 publication Critical patent/EP0527240A1/en
Publication of EP0527240A4 publication Critical patent/EP0527240A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/92—Lamps with more than one main discharge path
    • H01J61/94—Paths producing light of different wavelengths, e.g. for simulating daylight
    • 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
    • H01J29/08—Electrodes intimately associated with a screen on or from which an image or pattern is formed, picked-up, converted or stored, e.g. backing-plates for storage tubes or collecting secondary electrons
    • H01J29/085—Anode plates, e.g. for screens of flat panel displays
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J31/00—Cathode ray tubes; Electron beam tubes
    • H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
    • H01J31/10—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes
    • H01J31/12—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes with luminescent screen
    • H01J31/15—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes with luminescent screen with ray or beam selectively directed to luminescent anode segments
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J63/00—Cathode-ray or electron-stream lamps
    • H01J63/06—Lamps with luminescent screen excited by the ray or stream
EP19920906247 1991-03-01 1992-02-28 Light projecting device Withdrawn EP0527240A4 (en)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP36055/91 1991-03-01
JP3605591 1991-03-01
JP43089/91 1991-03-08
JP4309191 1991-03-08
JP43090/91 1991-03-08
JP43091/91 1991-03-08
JP4309091 1991-03-08
JP4308991 1991-03-08

Publications (2)

Publication Number Publication Date
EP0527240A1 EP0527240A1 (en) 1993-02-17
EP0527240A4 true EP0527240A4 (en) 1993-09-22

Family

ID=27460197

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19920906247 Withdrawn EP0527240A4 (en) 1991-03-01 1992-02-28 Light projecting device

Country Status (2)

Country Link
EP (1) EP0527240A4 (en)
WO (1) WO1992016012A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3252545B2 (en) * 1993-07-21 2002-02-04 ソニー株式会社 Flat display using field emission cathode
US5773927A (en) * 1995-08-30 1998-06-30 Micron Display Technology, Inc. Field emission display device with focusing electrodes at the anode and method for constructing same
FR2762927A1 (en) * 1997-04-30 1998-11-06 Pixtech Sa FLAT DISPLAY ANODE
US6326725B1 (en) 1998-05-26 2001-12-04 Micron Technology, Inc. Focusing electrode for field emission displays and method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4733139A (en) * 1985-02-28 1988-03-22 Futaba Denshi Kogyo Kabushiki Kaisha Fluorescent display device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6017851A (en) * 1983-07-08 1985-01-29 Mitsubishi Electric Corp Crt for light source
GB2144576B (en) * 1983-08-05 1987-04-15 English Electric Valve Co Ltd Display arrangements
GB2144575B (en) * 1983-08-05 1988-04-20 English Electric Valve Co Ltd Cathedolumanescent display arrangements
JPH0642363B2 (en) * 1988-03-22 1994-06-01 三菱電機株式会社 Display tube for light source

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4733139A (en) * 1985-02-28 1988-03-22 Futaba Denshi Kogyo Kabushiki Kaisha Fluorescent display device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO9216012A1 *

Also Published As

Publication number Publication date
EP0527240A1 (en) 1993-02-17
WO1992016012A1 (en) 1992-09-17

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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

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17P Request for examination filed

Effective date: 19921029

AK Designated contracting states

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Designated state(s): DE FR GB

A4 Supplementary search report drawn up and despatched

Effective date: 19930802

AK Designated contracting states

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17Q First examination report despatched

Effective date: 19941104

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

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18D Application deemed to be withdrawn

Effective date: 19950315