DE69733390D1 - Beleuchtungseinheit, lichtquellen- und projektionsanzeigevorrichtung - Google Patents

Beleuchtungseinheit, lichtquellen- und projektionsanzeigevorrichtung

Info

Publication number
DE69733390D1
DE69733390D1 DE69733390T DE69733390T DE69733390D1 DE 69733390 D1 DE69733390 D1 DE 69733390D1 DE 69733390 T DE69733390 T DE 69733390T DE 69733390 T DE69733390 T DE 69733390T DE 69733390 D1 DE69733390 D1 DE 69733390D1
Authority
DE
Germany
Prior art keywords
display device
projection display
light source
light
light unit
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.)
Expired - Lifetime
Application number
DE69733390T
Other languages
English (en)
Other versions
DE69733390T2 (de
Inventor
Kiyoshi Miyashita
Kazuto Shinohara
Shinji Haba
Akitaka Yajima
Tomiyoshi Ushiyama
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 DE69733390D1 publication Critical patent/DE69733390D1/de
Application granted granted Critical
Publication of DE69733390T2 publication Critical patent/DE69733390T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/315—Modulator illumination systems
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/2053—Intensity control of illuminating light
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/315—Modulator illumination systems
    • H04N9/3155—Modulator illumination systems for controlling the light source
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/36—Controlling
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/20—Responsive to malfunctions or to light source life; for protection
    • H05B47/25—Circuit arrangements for protecting against overcurrent
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/3406—Control of illumination source

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
DE69733390T 1996-04-10 1997-03-27 Beleuchtungseinheit, lichtquellen- und projektionsanzeigevorrichtung Expired - Lifetime DE69733390T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP8846396 1996-04-10
JP8846396 1996-04-10
JP10902096 1996-04-30
JP10902096 1996-04-30
PCT/JP1997/001067 WO1997038560A1 (fr) 1996-04-10 1997-03-27 Ensemble lampe source de lumiere, element source de lumiere et dispositif d'affichage par projection

Publications (2)

Publication Number Publication Date
DE69733390D1 true DE69733390D1 (de) 2005-07-07
DE69733390T2 DE69733390T2 (de) 2005-10-13

Family

ID=26429830

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69736023T Expired - Lifetime DE69736023T2 (de) 1996-04-10 1997-03-27 Lichtquelleneinheit, Lichtquellengerät und Projektionsanzeigengerät
DE69733390T Expired - Lifetime DE69733390T2 (de) 1996-04-10 1997-03-27 Beleuchtungseinheit, lichtquellen- und projektionsanzeigevorrichtung

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69736023T Expired - Lifetime DE69736023T2 (de) 1996-04-10 1997-03-27 Lichtquelleneinheit, Lichtquellengerät und Projektionsanzeigengerät

Country Status (5)

Country Link
US (3) US6268799B1 (de)
EP (2) EP1395092B1 (de)
JP (1) JP4003234B2 (de)
DE (2) DE69736023T2 (de)
WO (1) WO1997038560A1 (de)

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Publication number Publication date
EP0833548A4 (de) 2001-01-03
EP0833548A1 (de) 1998-04-01
DE69733390T2 (de) 2005-10-13
DE69736023D1 (de) 2006-07-06
US20010005172A1 (en) 2001-06-28
EP1395092A3 (de) 2004-05-12
DE69736023T2 (de) 2007-05-10
JP4003234B2 (ja) 2007-11-07
US6268799B1 (en) 2001-07-31
US7006004B2 (en) 2006-02-28
WO1997038560A1 (fr) 1997-10-16
US20040080715A1 (en) 2004-04-29
EP0833548B1 (de) 2005-06-01
EP1395092B1 (de) 2006-05-31
EP1395092A2 (de) 2004-03-03
US6690282B2 (en) 2004-02-10

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