JP4016876B2 - プロジェクタ - Google Patents

プロジェクタ Download PDF

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Publication number
JP4016876B2
JP4016876B2 JP2003118402A JP2003118402A JP4016876B2 JP 4016876 B2 JP4016876 B2 JP 4016876B2 JP 2003118402 A JP2003118402 A JP 2003118402A JP 2003118402 A JP2003118402 A JP 2003118402A JP 4016876 B2 JP4016876 B2 JP 4016876B2
Authority
JP
Japan
Prior art keywords
light
light source
source unit
unit
projection lens
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 - Fee Related
Application number
JP2003118402A
Other languages
English (en)
Japanese (ja)
Other versions
JP2004325643A (ja
JP2004325643A5 (enExample
Inventor
秀也 ▲関▼
薫 山口
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
Priority to JP2003118402A priority Critical patent/JP4016876B2/ja
Priority to US10/826,409 priority patent/US6953251B2/en
Publication of JP2004325643A publication Critical patent/JP2004325643A/ja
Priority to US11/151,208 priority patent/US7059727B2/en
Priority to US11/406,271 priority patent/US7553033B2/en
Publication of JP2004325643A5 publication Critical patent/JP2004325643A5/ja
Application granted granted Critical
Publication of JP4016876B2 publication Critical patent/JP4016876B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • H04N9/3155—Modulator illumination systems for controlling the light source
    • 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
    • G03B21/005—Projectors using an electronic spatial light modulator but not peculiar thereto
    • G03B21/008—Projectors using an electronic spatial light modulator but not peculiar thereto using micromirror devices
    • 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
    • G03B21/2006—Lamp housings characterised by the light source
    • G03B21/2033—LED or laser light sources
    • 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
    • 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
    • G03B21/26—Projecting separately subsidiary matter simultaneously with main image
    • 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]
    • H04N9/3102—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators
    • H04N9/3111—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying the colours sequentially, e.g. by using sequentially activated light sources
    • 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
    • H04N9/3164—Modulator illumination systems using multiple light sources

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Projection Apparatus (AREA)
  • Liquid Crystal (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
JP2003118402A 2003-04-23 2003-04-23 プロジェクタ Expired - Fee Related JP4016876B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2003118402A JP4016876B2 (ja) 2003-04-23 2003-04-23 プロジェクタ
US10/826,409 US6953251B2 (en) 2003-04-23 2004-04-19 Projector and optical device
US11/151,208 US7059727B2 (en) 2003-04-23 2005-06-14 Projector and optical device
US11/406,271 US7553033B2 (en) 2003-04-23 2006-04-19 Projector and optical device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003118402A JP4016876B2 (ja) 2003-04-23 2003-04-23 プロジェクタ

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2007187897A Division JP4232842B2 (ja) 2007-07-19 2007-07-19 プロジェクタ

Publications (3)

Publication Number Publication Date
JP2004325643A JP2004325643A (ja) 2004-11-18
JP2004325643A5 JP2004325643A5 (enExample) 2006-06-15
JP4016876B2 true JP4016876B2 (ja) 2007-12-05

Family

ID=33497950

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003118402A Expired - Fee Related JP4016876B2 (ja) 2003-04-23 2003-04-23 プロジェクタ

Country Status (2)

Country Link
US (3) US6953251B2 (enExample)
JP (1) JP4016876B2 (enExample)

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JP2004325643A (ja) 2004-11-18
US20040263802A1 (en) 2004-12-30
US20050231693A1 (en) 2005-10-20
US7553033B2 (en) 2009-06-30
US6953251B2 (en) 2005-10-11
US20060192924A1 (en) 2006-08-31
US7059727B2 (en) 2006-06-13

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