CN1349618A - 反射型液晶显示器用的光学系统 - Google Patents
反射型液晶显示器用的光学系统 Download PDFInfo
- Publication number
- CN1349618A CN1349618A CN00806987A CN00806987A CN1349618A CN 1349618 A CN1349618 A CN 1349618A CN 00806987 A CN00806987 A CN 00806987A CN 00806987 A CN00806987 A CN 00806987A CN 1349618 A CN1349618 A CN 1349618A
- Authority
- CN
- China
- Prior art keywords
- light
- polarization
- beam splitter
- plate
- polarising beam
- 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.)
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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
-
- 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
- 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
- H04N5/00—Details of television systems
- H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
- H04N5/7416—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal
- H04N5/7441—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal the modulator being an array of liquid crystal cells
-
- 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
- H04N9/3105—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying all colours simultaneously, e.g. by using two or more electronic spatial light modulators
-
- 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
- H04N9/3117—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 by using a sequential colour filter producing two or more colours simultaneously, e.g. by creating scrolling colour bands
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S359/00—Optical: systems and elements
- Y10S359/90—Methods
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Projection Apparatus (AREA)
- Liquid Crystal (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
Description
对P偏振的透射率 | 0.8 |
对S偏振的透射率 | 0.002 |
对P偏振的反射率 | 0.2 |
对S偏振的反射率 | 0.998 |
光位置 | LCD“接通” | LCD“断开” | |||
S | P | S | P | ||
A | 在光源后 | 1 | 1 | 1 | 1 |
B | 通过对角线透射 | 0.002 | 0.8 | 0.002 | 0.8 |
C | 通过半波片透射 | 0.8 | 0.002 | 0.8 | 0.002 |
D | 从对角线反射 | 0.8 | 0.0004 | 0.8 | 0.0004 |
E | 从LCD反射 | 0.0004 | 0.8 | 0.8 | 0.0004 |
F | 通过对角线透射 | 0.8E-6 | 0.64 | 0.0016 | 0.00032 |
G | 通过半波片透射 | 0.64 | 0.8E-6 | 0.00032 | 0.0016 |
H | 从对角线反射 | 0.64 | 0.16E-6 | 0.00032 | 0.00032 |
来自棱镜的总的光 | 0.64 | 0.00064 |
Claims (30)
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13041999P | 1999-04-21 | 1999-04-21 | |
US60/130,419 | 1999-04-21 | ||
US13292899P | 1999-05-06 | 1999-05-06 | |
US60/132,928 | 1999-05-06 | ||
US16646899P | 1999-11-19 | 1999-11-19 | |
US60/166,468 | 1999-11-19 | ||
US17922700P | 2000-01-31 | 2000-01-31 | |
US60/179,227 | 2000-01-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1349618A true CN1349618A (zh) | 2002-05-15 |
CN1162733C CN1162733C (zh) | 2004-08-18 |
Family
ID=27494860
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB008069875A Expired - Fee Related CN1162733C (zh) | 1999-04-21 | 2000-04-10 | 偏振光分束器及其光学系统以及用于操作投影系统的方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US6490087B1 (zh) |
EP (2) | EP1930764A1 (zh) |
JP (1) | JP2002542509A (zh) |
KR (1) | KR100745877B1 (zh) |
CN (1) | CN1162733C (zh) |
WO (1) | WO2000063738A1 (zh) |
Cited By (5)
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CN101147095B (zh) * | 2005-03-23 | 2010-05-19 | 3M创新有限公司 | 在偏振分束器以及使用该偏振分束器的系统中的应力双折射补偿的装置和方法 |
CN102236173A (zh) * | 2010-05-05 | 2011-11-09 | 尚立光电股份有限公司 | 投影装置 |
CN101539669B (zh) * | 2008-03-17 | 2012-02-22 | 红蝶科技(深圳)有限公司 | 一种反射式液晶投影装置 |
CN101952766B (zh) * | 2007-12-28 | 2012-07-11 | 3M创新有限公司 | 光组合器 |
CN102128588B (zh) * | 2010-01-19 | 2013-03-06 | 上海微电子装备有限公司 | 一种一体式双频激光干涉仪 |
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US6183091B1 (en) * | 1995-04-07 | 2001-02-06 | Colorlink, Inc. | Color imaging systems and methods |
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EP1143744B1 (en) * | 2000-03-17 | 2008-09-24 | Hitachi, Ltd. | Image display device |
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KR100381051B1 (ko) * | 2000-12-02 | 2003-04-18 | 엘지전자 주식회사 | 액정 프로젝터의 광학계 |
US6698896B2 (en) * | 2001-01-19 | 2004-03-02 | Victor Company Of Japan, Ltd. | Color-separating and -recombining optical system and projection display using the same |
KR20030088142A (ko) * | 2001-04-20 | 2003-11-17 | 쓰리엠 이노베이티브 프로퍼티즈 컴파니 | 광학용 프리즘 배치 방법 및 장치 |
US6857747B2 (en) * | 2001-08-06 | 2005-02-22 | Advanced Digital Optics, Inc. | Color management system |
CN100450189C (zh) | 2001-08-06 | 2009-01-07 | Jds单相公司 | 色彩管理系统 |
US6899432B2 (en) * | 2001-08-06 | 2005-05-31 | Advanced Digital Optics, Inc. | Color management system having a transmissive panel and optical isolator |
US6893130B2 (en) | 2001-08-06 | 2005-05-17 | Advanced Digital Optics, Inc. | Color management system having a field lens |
US7347561B2 (en) * | 2001-08-06 | 2008-03-25 | Jds Uniphase Corporation | Image display device |
US6945654B2 (en) | 2001-08-06 | 2005-09-20 | Jds Uniphase Corporation | Color management system having a prism to compensate for optical aberrations and to enhance contrast |
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-
2000
- 2000-04-10 JP JP2000612791A patent/JP2002542509A/ja not_active Withdrawn
- 2000-04-10 WO PCT/US2000/009566 patent/WO2000063738A1/en active Application Filing
- 2000-04-10 EP EP08152924A patent/EP1930764A1/en not_active Withdrawn
- 2000-04-10 KR KR1020017013354A patent/KR100745877B1/ko not_active IP Right Cessation
- 2000-04-10 US US09/546,241 patent/US6490087B1/en not_active Expired - Fee Related
- 2000-04-10 CN CNB008069875A patent/CN1162733C/zh not_active Expired - Fee Related
- 2000-04-10 EP EP00925920A patent/EP1181616A4/en not_active Withdrawn
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101147095B (zh) * | 2005-03-23 | 2010-05-19 | 3M创新有限公司 | 在偏振分束器以及使用该偏振分束器的系统中的应力双折射补偿的装置和方法 |
CN101952766B (zh) * | 2007-12-28 | 2012-07-11 | 3M创新有限公司 | 光组合器 |
CN101539669B (zh) * | 2008-03-17 | 2012-02-22 | 红蝶科技(深圳)有限公司 | 一种反射式液晶投影装置 |
CN102128588B (zh) * | 2010-01-19 | 2013-03-06 | 上海微电子装备有限公司 | 一种一体式双频激光干涉仪 |
CN102236173A (zh) * | 2010-05-05 | 2011-11-09 | 尚立光电股份有限公司 | 投影装置 |
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KR20020005696A (ko) | 2002-01-17 |
EP1181616A1 (en) | 2002-02-27 |
WO2000063738A1 (en) | 2000-10-26 |
JP2002542509A (ja) | 2002-12-10 |
US6490087B1 (en) | 2002-12-03 |
CN1162733C (zh) | 2004-08-18 |
EP1181616A4 (en) | 2006-04-26 |
KR100745877B1 (ko) | 2007-08-02 |
EP1930764A1 (en) | 2008-06-11 |
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