JP5359483B2 - 光合波器及びそれを用いた画像投影装置 - Google Patents
光合波器及びそれを用いた画像投影装置 Download PDFInfo
- Publication number
- JP5359483B2 JP5359483B2 JP2009095709A JP2009095709A JP5359483B2 JP 5359483 B2 JP5359483 B2 JP 5359483B2 JP 2009095709 A JP2009095709 A JP 2009095709A JP 2009095709 A JP2009095709 A JP 2009095709A JP 5359483 B2 JP5359483 B2 JP 5359483B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- optical
- wavelength
- lens
- optical multiplexer
- 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
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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
- G02B27/10—Beam splitting or combining systems
- G02B27/1006—Beam splitting or combining systems for splitting or combining different wavelengths
- G02B27/102—Beam splitting or combining systems for splitting or combining different wavelengths for generating a colour image from monochromatic image signal sources
- G02B27/104—Beam splitting or combining systems for splitting or combining different wavelengths for generating a colour image from monochromatic image signal sources for use with scanning systems
-
- 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
- G02B27/10—Beam splitting or combining systems
- G02B27/14—Beam splitting or combining systems operating by reflection only
- G02B27/148—Beam splitting or combining systems operating by reflection only including stacked surfaces having at least one double-pass partially reflecting surface
-
- 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
-
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/02—Simple or compound lenses with non-spherical faces
- G02B3/08—Simple or compound lenses with non-spherical faces with discontinuous faces, e.g. Fresnel lens
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Optical Filters (AREA)
- Mechanical Optical Scanning Systems (AREA)
- Lenses (AREA)
Description
Claims (5)
- 第1の波長の光を反射し第2の波長の光及び第3の波長の光を透過する第1の光学フィルタ、第2の波長の光を反射し前記第3の波長の光を透過する第2の光学フィルタ、及び、
第1の光学フィルタが設けられた第1の主面及び前記第2の光学フィルタが設けられた第2の主面を有し、前記第2及び第3の波長の光を透過する基板、を有する光学部品と、
樹脂製であり、前記光学部品の周囲を覆うように設けられた樹脂部材と、
を備え、
前記樹脂部材は、第1の表面、第2の表面、及び第3の表面を有しており、
前記第1の表面は、第1のレンズ、第2のレンズ、及び第3のレンズを提供しており、
前記光学部品は、該光学部品と前記第2の表面との間の光路に対して前記第1のレンズからの光を前記第1の光学フィルタを介して結合し、該光路に対して前記第2のレンズからの光を前記第2の光学フィルタを介して結合するよう、前記樹脂部材内に設けられており、
前記第1の表面と前記第1の光学フィルタの間の光路と、前記第2の表面と前記第1の光学フィルタの間の光路と、前記第3の表面と前記第2の光学フィルタの間の光路は同じ前記樹脂部材で構成され、
前記第3の表面は、前記光路に前記第3のレンズからの光を結合するように反射膜がコーティングされた反射面である、
光合波器。 - 前記樹脂部材は、樹脂の成形によって形成されている、請求項1に記載の光合波器。
- 前記反射膜は、アルミニウム又は金製の膜である、請求項1又は2に記載の光合波器。
- 前記第1〜第3のレンズがフレネルレンズである、請求項1〜3の何れか一項に記載の光合波器。
- 第1の波長の光を出射する第1の光源と、
第2の波長の光を出射する第2の光源と、
第3の波長の光を出射する第3の光源と、
請求項1〜4の何れか一項に記載の光合波器であって、前記第1の光源からの光、前記第2の光源からの光、及び、前記第3の光源からの光を、前記光路上に合波する該光合波器と、
前記光合波器によって合波された光を走査する走査機構と、
を備える画像投影装置。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009095709A JP5359483B2 (ja) | 2009-04-10 | 2009-04-10 | 光合波器及びそれを用いた画像投影装置 |
KR1020100026641A KR20100113024A (ko) | 2009-04-10 | 2010-03-25 | 광합파기 및 이를 이용한 화상 투영 장치 |
EP10157947A EP2239615A1 (en) | 2009-04-10 | 2010-03-26 | Optical combiner and image projector using the optical combiner |
TW099110432A TW201044015A (en) | 2009-04-10 | 2010-04-02 | Optical combiner and image projector using the optical combiner |
US12/755,986 US8403491B2 (en) | 2009-04-10 | 2010-04-07 | Optical combiner and image projector using the optical combiner |
CN201010144536A CN101859027A (zh) | 2009-04-10 | 2010-04-09 | 光组合器和使用该光组合器的图像投影装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009095709A JP5359483B2 (ja) | 2009-04-10 | 2009-04-10 | 光合波器及びそれを用いた画像投影装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010243986A JP2010243986A (ja) | 2010-10-28 |
JP5359483B2 true JP5359483B2 (ja) | 2013-12-04 |
Family
ID=42173076
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009095709A Expired - Fee Related JP5359483B2 (ja) | 2009-04-10 | 2009-04-10 | 光合波器及びそれを用いた画像投影装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8403491B2 (ja) |
EP (1) | EP2239615A1 (ja) |
JP (1) | JP5359483B2 (ja) |
KR (1) | KR20100113024A (ja) |
CN (1) | CN101859027A (ja) |
TW (1) | TW201044015A (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8456740B2 (en) * | 2010-04-15 | 2013-06-04 | Raytheon Company | Method and apparatus for pathlength adjustment in an optical system |
CN104765155B (zh) * | 2015-03-31 | 2017-08-01 | 深圳市光科全息技术有限公司 | 一种虚拟影像显示系统 |
JP7270219B2 (ja) | 2019-10-07 | 2023-05-10 | パナソニックIpマネジメント株式会社 | 光合波器及びそれを用いた画像投影装置 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4870268A (en) | 1986-04-02 | 1989-09-26 | Hewlett-Packard Company | Color combiner and separator and implementations |
EP0325362B1 (en) * | 1988-01-19 | 1997-08-20 | Hewlett-Packard Company | Spectral combiner |
US4930864A (en) * | 1988-08-02 | 1990-06-05 | Eltec Instruments, Inc. | Domed segmented lens systems |
US5459611A (en) | 1993-08-18 | 1995-10-17 | Hewlett-Packard Company | Beam splitter/combiner with path length compensator and method for making the same |
US5801889A (en) * | 1995-08-16 | 1998-09-01 | Eastman Kodak Company | Technique to eliminate scattered light in diffractive optical elements |
US5751492A (en) * | 1996-06-14 | 1998-05-12 | Eastman Kodak Company | Diffractive/Refractive lenslet array incorporating a second aspheric surface |
US6496465B1 (en) | 1998-06-09 | 2002-12-17 | Barry G. Broome | Monolithic CD/DVD read/write head |
JP2003066271A (ja) * | 2001-08-22 | 2003-03-05 | Nippon Telegr & Teleph Corp <Ntt> | 光波長分波素子 |
US6648475B1 (en) * | 2002-05-20 | 2003-11-18 | Eastman Kodak Company | Method and apparatus for increasing color gamut of a display |
JP2004334082A (ja) | 2003-05-12 | 2004-11-25 | Plus Vision Corp | 半導体レーザ素子を光源に用いた照明光学系およびそれを利用したプロジェクタ |
JP2005073798A (ja) | 2003-08-28 | 2005-03-24 | Olympus Corp | 内視鏡用穿刺針装置 |
JP4188795B2 (ja) * | 2003-10-07 | 2008-11-26 | リコー光学株式会社 | 光パワー合成用光学系および光源モジュール |
KR101180140B1 (ko) | 2004-01-29 | 2012-09-05 | 파나소닉 주식회사 | 광원 장치, 및 2차원 화상 표시 장치 |
US20050190563A1 (en) * | 2004-02-26 | 2005-09-01 | Ying Hung Li | Lighting module with dual-profiled Fresnel lens |
JP2006267457A (ja) | 2005-03-23 | 2006-10-05 | Hoya Corp | 照明光学系 |
EP1715364B1 (en) * | 2005-04-21 | 2008-08-27 | Konica Minolta Opto, Inc. | Optical communication module and optical element for optical communication module |
JP2007094384A (ja) * | 2005-08-31 | 2007-04-12 | Sanyo Electric Co Ltd | 複数色光照明装置及び投写型映像表示装置 |
JP2007121899A (ja) * | 2005-10-31 | 2007-05-17 | Minebea Co Ltd | 光路合成装置および光ビーム合成方法 |
JP2008033042A (ja) * | 2006-07-28 | 2008-02-14 | Sony Corp | 投影型表示装置 |
JP2008216456A (ja) * | 2007-03-01 | 2008-09-18 | Sanyo Electric Co Ltd | 投射型カラープロジェクタ装置 |
-
2009
- 2009-04-10 JP JP2009095709A patent/JP5359483B2/ja not_active Expired - Fee Related
-
2010
- 2010-03-25 KR KR1020100026641A patent/KR20100113024A/ko not_active Application Discontinuation
- 2010-03-26 EP EP10157947A patent/EP2239615A1/en not_active Withdrawn
- 2010-04-02 TW TW099110432A patent/TW201044015A/zh unknown
- 2010-04-07 US US12/755,986 patent/US8403491B2/en not_active Expired - Fee Related
- 2010-04-09 CN CN201010144536A patent/CN101859027A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
CN101859027A (zh) | 2010-10-13 |
US20100259728A1 (en) | 2010-10-14 |
JP2010243986A (ja) | 2010-10-28 |
US8403491B2 (en) | 2013-03-26 |
TW201044015A (en) | 2010-12-16 |
EP2239615A1 (en) | 2010-10-13 |
KR20100113024A (ko) | 2010-10-20 |
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