CA2247435A1 - Polarized illumination system for lcd projector - Google Patents
Polarized illumination system for lcd projector Download PDFInfo
- Publication number
- CA2247435A1 CA2247435A1 CA002247435A CA2247435A CA2247435A1 CA 2247435 A1 CA2247435 A1 CA 2247435A1 CA 002247435 A CA002247435 A CA 002247435A CA 2247435 A CA2247435 A CA 2247435A CA 2247435 A1 CA2247435 A1 CA 2247435A1
- Authority
- CA
- Canada
- Prior art keywords
- light
- beams
- exit
- microprismatic
- aspect ratio
- 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.)
- Abandoned
Links
- 238000005286 illumination Methods 0.000 title claims abstract 10
- 230000010287 polarization Effects 0.000 claims abstract description 26
- 230000006835 compression Effects 0.000 claims description 17
- 238000007906 compression Methods 0.000 claims description 17
- 239000006185 dispersion Substances 0.000 claims description 13
- 102220047090 rs6152 Human genes 0.000 description 10
- 238000010586 diagram Methods 0.000 description 7
- 230000010354 integration Effects 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- 150000002500 ions Chemical class 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920002972 Acrylic fiber Polymers 0.000 description 2
- 239000005331 crown glasses (windows) Substances 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000010561 standard procedure Methods 0.000 description 2
- BWVLLEHUUJBZMR-UHFFFAOYSA-N 2,4-dibromo-1-phenylbenzene Chemical compound BrC1=CC(Br)=CC=C1C1=CC=CC=C1 BWVLLEHUUJBZMR-UHFFFAOYSA-N 0.000 description 1
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 1
- 101150096672 CEL1 gene Proteins 0.000 description 1
- XDXHAEQXIBQUEZ-UHFFFAOYSA-N Ropinirole hydrochloride Chemical compound Cl.CCCN(CCC)CCC1=CC=CC2=C1CC(=O)N2 XDXHAEQXIBQUEZ-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 229910052729 chemical element Inorganic materials 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- GWUSZQUVEVMBPI-UHFFFAOYSA-N nimetazepam Chemical compound N=1CC(=O)N(C)C2=CC=C([N+]([O-])=O)C=C2C=1C1=CC=CC=C1 GWUSZQUVEVMBPI-UHFFFAOYSA-N 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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]
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Polarising Elements (AREA)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/625,030 | 1996-03-29 | ||
| US08/625,030 US5995284A (en) | 1996-03-29 | 1996-03-29 | Polarized illumination system for LCD projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2247435A1 true CA2247435A1 (en) | 1997-10-09 |
Family
ID=24504296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002247435A Abandoned CA2247435A1 (en) | 1996-03-29 | 1997-03-17 | Polarized illumination system for lcd projector |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US5995284A (enExample) |
| EP (1) | EP0890128B1 (enExample) |
| JP (1) | JP2001501317A (enExample) |
| KR (1) | KR100456492B1 (enExample) |
| CN (1) | CN1214775A (enExample) |
| AU (1) | AU2421697A (enExample) |
| CA (1) | CA2247435A1 (enExample) |
| DE (1) | DE69713081T2 (enExample) |
| ES (1) | ES2175397T3 (enExample) |
| TW (1) | TW307832B (enExample) |
| WO (1) | WO1997037266A1 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20240069423A1 (en) * | 2022-08-24 | 2024-02-29 | Seiko Epson Corporation | Projector |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0916221A2 (en) * | 1997-01-10 | 1999-05-19 | Koninklijke Philips Electronics N.V. | Illumination system for an image projection device |
| US6587269B2 (en) * | 2000-08-24 | 2003-07-01 | Cogent Light Technologies Inc. | Polarization recovery system for projection displays |
| US7710669B2 (en) * | 2000-08-24 | 2010-05-04 | Wavien, Inc. | Etendue efficient combination of multiple light sources |
| KR100571909B1 (ko) * | 2000-09-21 | 2006-04-17 | 삼성전자주식회사 | 화상투사장치 |
| US6739723B1 (en) | 2001-12-07 | 2004-05-25 | Delta Electronics, Inc. | Polarization recapture system for liquid crystal-based data projectors |
| US20030112511A1 (en) * | 2001-12-19 | 2003-06-19 | Koninklijke Philips Electronics N.V. | Polarization conversion method for liquid crystal displays |
| US6646806B1 (en) * | 2002-05-17 | 2003-11-11 | Infocus Corporation | Polarized light source system with dual optical paths |
| US20050174641A1 (en) * | 2002-11-26 | 2005-08-11 | Jds Uniphase Corporation | Polarization conversion light integrator |
| JP2004214073A (ja) * | 2003-01-07 | 2004-07-29 | Honda Motor Co Ltd | 告知灯 |
| US20040207774A1 (en) * | 2003-04-17 | 2004-10-21 | Gothard David L. | Illumination apparatus for LCD/organic displays |
| US20050041288A1 (en) * | 2003-08-19 | 2005-02-24 | Liao Liu Liang | Polarization conversion module and polarization conversion method thereof |
| DE10361559A1 (de) * | 2003-12-19 | 2005-07-14 | Carl Zeiss Jena Gmbh | Projektionsanordnung |
| DE602005008394D1 (de) * | 2004-03-11 | 2008-09-04 | Thomson Licensing | Mehrfach-lampenbeleuchtungssystem mit polarisationswiederherstellung und integration |
| US20080129964A1 (en) * | 2006-11-30 | 2008-06-05 | Upstream Engineering Oy | Beam shaping component and method |
| TW200839292A (en) * | 2006-11-30 | 2008-10-01 | Upstream Engineering Oy | Beam shaping method and apparatus |
| JP2007192841A (ja) * | 2007-04-24 | 2007-08-02 | Fujifilm Corp | 全反射減衰を利用した測定方法および測定装置 |
| JP5110979B2 (ja) * | 2007-06-26 | 2012-12-26 | キヤノン株式会社 | 照明光学系およびそれを用いた投射型表示装置 |
| US8905547B2 (en) * | 2010-01-04 | 2014-12-09 | Elbit Systems Of America, Llc | System and method for efficiently delivering rays from a light source to create an image |
| TWI418917B (zh) * | 2010-10-15 | 2013-12-11 | Young Optics Inc | 投影裝置 |
| EP2936220B1 (en) | 2013-03-13 | 2022-11-16 | ImagineOptix Corporation | Polarization conversion systems with geometric phase holograms |
| CN103644487A (zh) * | 2013-12-30 | 2014-03-19 | 北京理工大学 | 一种基于自由曲面透镜的led跑道中线灯光学系统 |
| US9778475B2 (en) * | 2014-11-06 | 2017-10-03 | The United States of America as represesnted by the Secretary of the Air Forice | Universal polarization converter |
| JP6393014B2 (ja) | 2015-08-05 | 2018-09-19 | スペクトラム オプティクス インコーポレイティド | ウェッジ形平面レンズ及び画像処理方法 |
| CN106405933B (zh) | 2016-10-31 | 2019-08-13 | 京东方科技集团股份有限公司 | 背光模组和液晶显示装置 |
| US10620348B2 (en) * | 2016-12-09 | 2020-04-14 | Lumenflow | Lower index-gap corrective wedge prism |
| CN114200756B (zh) * | 2020-09-18 | 2023-04-18 | 中强光电股份有限公司 | 照明系统及投影装置 |
| CN114200760A (zh) * | 2021-11-05 | 2022-03-18 | 杭州中科极光科技有限公司 | 一种激光显示光源系统及激光显示设备 |
Family Cites Families (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE152212C (enExample) * | ||||
| US3743380A (en) * | 1972-01-31 | 1973-07-03 | Us Navy | Polarized light source for underwater use |
| DD152212A1 (de) * | 1980-07-15 | 1981-11-18 | Volkmar Norkus | Optisches system zur umwandlung der polarisation von licht |
| JPH061303B2 (ja) * | 1984-11-20 | 1994-01-05 | ソニー株式会社 | 偏光照明装置 |
| NL8802517A (nl) * | 1988-10-13 | 1990-05-01 | Philips Nv | Beeldprojektie-inrichting. |
| US5042921A (en) * | 1988-10-25 | 1991-08-27 | Casio Computer Co., Ltd. | Liquid crystal display apparatus |
| US4913529A (en) * | 1988-12-27 | 1990-04-03 | North American Philips Corp. | Illumination system for an LCD display system |
| EP0422661A3 (en) * | 1989-10-13 | 1992-07-01 | Mitsubishi Rayon Co., Ltd | Polarization forming optical device and polarization beam splitter |
| DE69028497T2 (de) * | 1989-12-20 | 1997-02-06 | Canon Kk | Polarisierendes Beleuchtungsgerät |
| EP0460241B1 (en) * | 1989-12-26 | 1996-03-13 | Mitsubishi Rayon Co., Ltd. | Optical apparatus for generating polarized light |
| JP2828297B2 (ja) * | 1990-01-19 | 1998-11-25 | 旭光学工業株式会社 | 反射型プロジェクター |
| FR2660448B1 (fr) * | 1990-04-03 | 1992-06-05 | Thomson Csf | Dispositif de projection d'images. |
| EP0456427B1 (en) * | 1990-05-08 | 1998-01-28 | Canon Kabushiki Kaisha | Polarization converting apparatus |
| JP3126368B2 (ja) * | 1990-06-22 | 2001-01-22 | 株式会社日立製作所 | 画像縮小拡大投影装置 |
| FR2665773B1 (fr) * | 1990-08-10 | 1993-08-20 | Thomson Csf | Dispositif de projection d'images utilisant deux composantes orthogonales de polarisation de la lumiere. |
| US5381278A (en) * | 1991-05-07 | 1995-01-10 | Canon Kabushiki Kaisha | Polarization conversion unit, polarization illumination apparatus provided with the unit, and projector provided with the apparatus |
| JPH05241103A (ja) * | 1992-02-21 | 1993-09-21 | Nec Corp | 投射型液晶表示装置 |
| EP0573905A1 (en) * | 1992-06-08 | 1993-12-15 | Minnesota Mining And Manufacturing Company | Retroreflecting polarizer for presentation systems |
| US5347433A (en) * | 1992-06-11 | 1994-09-13 | Sedlmayr Steven R | Collimated beam of light and systems and methods for implementation thereof |
| DE4307178C2 (de) * | 1993-03-08 | 1996-09-19 | Lueder Ernst | Vorrichtung und Verfahren zur Polarisation von Licht |
| US5428469A (en) * | 1993-11-16 | 1995-06-27 | Minnesota Mining And Manufacturing Company | Liquid crystal display projection systems employing polarizing beam splitters and passing light through display cell from both directions |
| JPH07199185A (ja) * | 1993-12-27 | 1995-08-04 | Nec Corp | 投写型液晶表示装置 |
| WO1996005534A1 (en) * | 1994-08-09 | 1996-02-22 | Philips Electronics N.V. | Illumination system for supplying a polarized radiation beam, and image projection device comprising such an illumination system |
| US5504544A (en) * | 1994-11-23 | 1996-04-02 | Minnesota Mining And Manufacturing Company | Projector with multiple lamp light source |
-
1996
- 1996-03-29 US US08/625,030 patent/US5995284A/en not_active Expired - Fee Related
- 1996-04-22 TW TW085104786A patent/TW307832B/zh active
-
1997
- 1997-03-17 CA CA002247435A patent/CA2247435A1/en not_active Abandoned
- 1997-03-17 AU AU24216/97A patent/AU2421697A/en not_active Abandoned
- 1997-03-17 CN CN97193360A patent/CN1214775A/zh active Pending
- 1997-03-17 WO PCT/US1997/004565 patent/WO1997037266A1/en not_active Ceased
- 1997-03-17 EP EP97919891A patent/EP0890128B1/en not_active Expired - Lifetime
- 1997-03-17 KR KR10-1998-0707698A patent/KR100456492B1/ko not_active Expired - Fee Related
- 1997-03-17 DE DE69713081T patent/DE69713081T2/de not_active Expired - Fee Related
- 1997-03-17 ES ES97919891T patent/ES2175397T3/es not_active Expired - Lifetime
- 1997-03-17 JP JP09535322A patent/JP2001501317A/ja not_active Ceased
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20240069423A1 (en) * | 2022-08-24 | 2024-02-29 | Seiko Epson Corporation | Projector |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100456492B1 (ko) | 2005-01-15 |
| EP0890128A1 (en) | 1999-01-13 |
| US5995284A (en) | 1999-11-30 |
| WO1997037266A1 (en) | 1997-10-09 |
| JP2001501317A (ja) | 2001-01-30 |
| AU2421697A (en) | 1997-10-22 |
| EP0890128B1 (en) | 2002-06-05 |
| DE69713081D1 (de) | 2002-07-11 |
| TW307832B (en) | 1997-06-11 |
| KR20000005070A (ko) | 2000-01-25 |
| DE69713081T2 (de) | 2003-01-23 |
| ES2175397T3 (es) | 2002-11-16 |
| CN1214775A (zh) | 1999-04-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Dead |