CA2273040A1 - Monochromatic r,g,b laser light source display system and method - Google Patents

Monochromatic r,g,b laser light source display system and method Download PDF

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Publication number
CA2273040A1
CA2273040A1 CA002273040A CA2273040A CA2273040A1 CA 2273040 A1 CA2273040 A1 CA 2273040A1 CA 002273040 A CA002273040 A CA 002273040A CA 2273040 A CA2273040 A CA 2273040A CA 2273040 A1 CA2273040 A1 CA 2273040A1
Authority
CA
Canada
Prior art keywords
light source
display system
laser light
monochromatic
source display
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.)
Granted
Application number
CA002273040A
Other languages
French (fr)
Other versions
CA2273040C (en
Inventor
Masayuki Karakawa
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.)
Christie Digital Systems USA Inc
Original Assignee
Corporation For Laser Optics Research
Masayuki Karakawa
Johnstone, C. Bruce
Christie Digital Systems Usa, Inc.
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 Corporation For Laser Optics Research, Masayuki Karakawa, Johnstone, C. Bruce, Christie Digital Systems Usa, Inc. filed Critical Corporation For Laser Optics Research
Publication of CA2273040A1 publication Critical patent/CA2273040A1/en
Application granted granted Critical
Publication of CA2273040C publication Critical patent/CA2273040C/en
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]
    • H04N9/3129—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] scanning a light beam on the display screen
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/35—Non-linear optics
    • G02F1/353—Frequency conversion, i.e. wherein a light beam is generated with frequency components different from those of the incident light beams
    • G02F1/3532—Arrangements of plural nonlinear devices for generating multi-colour light beams, e.g. arrangements of SHG, SFG, OPO devices for generating RGB light beams
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/35—Non-linear optics
    • G02F1/353—Frequency conversion, i.e. wherein a light beam is generated with frequency components different from those of the incident light beams
    • G02F1/3534—Three-wave interaction, e.g. sum-difference frequency generation
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/35—Non-linear optics
    • G02F1/353—Frequency conversion, i.e. wherein a light beam is generated with frequency components different from those of the incident light beams
    • G02F1/354—Third or higher harmonic generation
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/35—Non-linear optics
    • G02F1/353—Frequency conversion, i.e. wherein a light beam is generated with frequency components different from those of the incident light beams
    • G02F1/3542—Multipass arrangements, i.e. arrangements to make light pass multiple times through the same element, e.g. using an enhancement cavity
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/35—Non-linear optics
    • G02F1/37—Non-linear optics for second-harmonic generation
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/35—Non-linear optics
    • G02F1/39—Non-linear optics for parametric generation or amplification of light, infrared or ultraviolet waves

Abstract

A monochromatic red (R), green (G), blue (B) pulsed laser light source (Fig.
2) for use in a full color video/image display system, particularly an LCD display system (Fig. 3), the light source generating R,G,B
laser beams with minimum speckle noise, and having a digital color space conversion incorporated within.
CA002273040A 1996-11-29 1997-11-28 Monochromatic r,g,b laser light source display system and method Expired - Lifetime CA2273040C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US3226996P 1996-11-29 1996-11-29
US60/032,269 1996-11-29
PCT/US1997/022066 WO1998026328A2 (en) 1996-11-29 1997-11-28 Monochromatic r,g,b laser light source display system and method

Publications (2)

Publication Number Publication Date
CA2273040A1 true CA2273040A1 (en) 1998-06-18
CA2273040C CA2273040C (en) 2004-09-21

Family

ID=21864027

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002273040A Expired - Lifetime CA2273040C (en) 1996-11-29 1997-11-28 Monochromatic r,g,b laser light source display system and method

Country Status (6)

Country Link
US (2) US6304237B1 (en)
EP (1) EP1012818A4 (en)
JP (1) JP3600249B2 (en)
AU (1) AU723680B2 (en)
CA (1) CA2273040C (en)
WO (1) WO1998026328A2 (en)

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Also Published As

Publication number Publication date
WO1998026328A2 (en) 1998-06-18
JP3600249B2 (en) 2004-12-15
JP2000510262A (en) 2000-08-08
EP1012818A4 (en) 2000-11-08
AU723680B2 (en) 2000-08-31
WO1998026328A3 (en) 1998-10-29
US6304237B1 (en) 2001-10-16
CA2273040C (en) 2004-09-21
US6774881B2 (en) 2004-08-10
EP1012818A2 (en) 2000-06-28
US20020018036A1 (en) 2002-02-14
AU7850298A (en) 1998-07-03

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