FI930268A - Anordning foer belysning med polariserat ljus - Google Patents
Anordning foer belysning med polariserat ljus Download PDFInfo
- Publication number
- FI930268A FI930268A FI930268A FI930268A FI930268A FI 930268 A FI930268 A FI 930268A FI 930268 A FI930268 A FI 930268A FI 930268 A FI930268 A FI 930268A FI 930268 A FI930268 A FI 930268A
- Authority
- FI
- Finland
- Prior art keywords
- belysning
- ljus
- anordination
- polarizer
- polarizer ljus
- Prior art date
Links
Classifications
-
- 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
- G02F1/01—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 for the control of the intensity, phase, polarisation or colour
- G02F1/13—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 for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/13362—Illuminating devices providing polarized light, e.g. by converting a polarisation component into another one
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
- G02B27/283—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising used for beam splitting or combining
-
- 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
- H04N9/3167—Modulator illumination systems for polarizing the light beam
-
- 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
- G02F1/01—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 for the control of the intensity, phase, polarisation or colour
- G02F1/13—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 for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133528—Polarisers
- G02F1/133536—Reflective polarizers
-
- 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
- G02F1/01—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 for the control of the intensity, phase, polarisation or colour
- G02F1/13—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 for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133528—Polarisers
- G02F1/13355—Polarising beam splitters [PBS]
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4023452 | 1990-07-24 | ||
PCT/EP1991/001329 WO1992001969A1 (de) | 1990-07-24 | 1991-07-16 | Einrichtung zur beleuchtung mit polarisiertem licht |
Publications (2)
Publication Number | Publication Date |
---|---|
FI930268A0 FI930268A0 (fi) | 1993-01-22 |
FI930268A true FI930268A (fi) | 1993-01-22 |
Family
ID=6410891
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI930268A FI930268A (fi) | 1990-07-24 | 1993-01-22 | Anordning foer belysning med polariserat ljus |
Country Status (9)
Country | Link |
---|---|
US (1) | US5382790A (fi) |
EP (1) | EP0540555B1 (fi) |
JP (1) | JP2999259B2 (fi) |
DE (2) | DE59107823D1 (fi) |
ES (1) | ES2089218T3 (fi) |
FI (1) | FI930268A (fi) |
HK (1) | HK73397A (fi) |
SG (1) | SG43161A1 (fi) |
WO (1) | WO1992001969A1 (fi) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05196892A (ja) * | 1992-01-21 | 1993-08-06 | Canon Inc | 偏光照明装置及び該偏光照明装置を用いた投写型表示装置 |
FR2696246B1 (fr) * | 1992-09-28 | 1994-11-04 | Sextant Avionique | Procédé et dispositif de projection d'une image en couleur résultant d'une modulation par valves optiques. |
JP2827951B2 (ja) * | 1994-05-16 | 1998-11-25 | 松下電器産業株式会社 | 投写型表示装置 |
US5513023A (en) * | 1994-10-03 | 1996-04-30 | Hughes Aircraft Company | Polarizing beamsplitter for reflective light valve displays having opposing readout beams onto two opposing surfaces of the polarizer |
JP3160177B2 (ja) | 1995-03-06 | 2001-04-23 | 松下電器産業株式会社 | ファクシミリ型電子メール装置 |
JPH0996786A (ja) * | 1995-09-29 | 1997-04-08 | Matsushita Electric Ind Co Ltd | 投射型表示装置 |
US5743612A (en) * | 1995-11-10 | 1998-04-28 | Hitachi, Ltd | Liquid crystal projector |
DE19829138A1 (de) * | 1998-06-30 | 2000-01-05 | Apel Volker | Optisches Lichtsystem mit hoher Effizienz für die Be- und Durchleuchtung von Vorlagen mit linear polarisiertem Licht, insbesondere elektronisch steuerbaren Vorlagen mit rechteckigem Querschnitt für den Einsatz in Projektionsgeräten |
US6196699B1 (en) | 1999-03-31 | 2001-03-06 | Philips Electronics North America Corp. | Dual lamp illumination system and projection system incorporating same |
WO2001011414A1 (en) * | 1999-08-06 | 2001-02-15 | Kaiser Aerospace And Electronics Corporation | Dual projector lamps |
US20030128427A1 (en) * | 2002-01-10 | 2003-07-10 | Kalmanash Michael H. | Dual projector lamps |
EP1623581B1 (en) * | 2003-03-31 | 2018-09-12 | Koninklijke Philips N.V. | Display device and method of displaying data thereon |
EP2418522A1 (en) * | 2004-07-06 | 2012-02-15 | RealD Inc. | Illumination systems |
JP2007322584A (ja) * | 2006-05-31 | 2007-12-13 | Sanyo Electric Co Ltd | 照明装置及びそれを用いた投写型映像表示装置 |
US7542206B2 (en) * | 2006-07-18 | 2009-06-02 | Real D | Light collectors for projection systems |
US20080231953A1 (en) * | 2007-03-22 | 2008-09-25 | Young Garrett J | System and Method for LED Polarization Recycling |
EP3037868A1 (en) * | 2012-08-22 | 2016-06-29 | 3M Innovative Properties Company | Polarizing beam splitter |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1887650A (en) * | 1926-05-27 | 1932-11-15 | Chester W Larner | Light controlling apparatus |
DE1014836B (de) * | 1953-09-14 | 1957-08-29 | Leitz Ernst Gmbh | Bildwerfer, insbesondere Laufbildwerfer fuer die Projektion von Panorama-Bildern |
US3512868A (en) * | 1967-12-29 | 1970-05-19 | Rca Corp | Apparatus for forming a beam of light |
US4798448A (en) * | 1988-02-16 | 1989-01-17 | General Electric Company | High efficiency illumination system for display devices |
US4913529A (en) * | 1988-12-27 | 1990-04-03 | North American Philips Corp. | Illumination system for an LCD display system |
-
1991
- 1991-07-16 WO PCT/EP1991/001329 patent/WO1992001969A1/de active IP Right Grant
- 1991-07-16 DE DE59107823T patent/DE59107823D1/de not_active Expired - Fee Related
- 1991-07-16 ES ES91912792T patent/ES2089218T3/es not_active Expired - Lifetime
- 1991-07-16 DE DE4123479A patent/DE4123479A1/de not_active Withdrawn
- 1991-07-16 JP JP3511995A patent/JP2999259B2/ja not_active Expired - Lifetime
- 1991-07-16 SG SG1996004660A patent/SG43161A1/en unknown
- 1991-07-16 EP EP91912792A patent/EP0540555B1/de not_active Expired - Lifetime
-
1993
- 1993-01-22 FI FI930268A patent/FI930268A/fi not_active Application Discontinuation
- 1993-03-23 US US08/035,397 patent/US5382790A/en not_active Expired - Fee Related
-
1997
- 1997-05-29 HK HK73397A patent/HK73397A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE59107823D1 (de) | 1996-06-20 |
EP0540555B1 (de) | 1996-05-15 |
HK73397A (en) | 1997-06-06 |
JPH05508938A (ja) | 1993-12-09 |
WO1992001969A1 (de) | 1992-02-06 |
DE4123479A1 (de) | 1992-01-30 |
ES2089218T3 (es) | 1996-10-01 |
EP0540555A1 (de) | 1993-05-12 |
JP2999259B2 (ja) | 2000-01-17 |
SG43161A1 (en) | 1997-10-17 |
US5382790A (en) | 1995-01-17 |
FI930268A0 (fi) | 1993-01-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD | Application lapsed |