KR100688673B1 - 조명 장치 및 프로젝터 - Google Patents
조명 장치 및 프로젝터 Download PDFInfo
- Publication number
- KR100688673B1 KR100688673B1 KR1020040097272A KR20040097272A KR100688673B1 KR 100688673 B1 KR100688673 B1 KR 100688673B1 KR 1020040097272 A KR1020040097272 A KR 1020040097272A KR 20040097272 A KR20040097272 A KR 20040097272A KR 100688673 B1 KR100688673 B1 KR 100688673B1
- Authority
- KR
- South Korea
- Prior art keywords
- light
- optical system
- polarized light
- led
- vibration direction
- Prior art date
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Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2073—Polarisers in the lamp house
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/005—Projectors using an electronic spatial light modulator but not peculiar thereto
- G03B21/006—Projectors using an electronic spatial light modulator but not peculiar thereto using LCD's
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
-
- 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
- Y10S385/00—Optical waveguides
- Y10S385/901—Illuminating or display apparatus
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
- Liquid Crystal (AREA)
Abstract
Description
Claims (6)
- 광을 공급하는 광원과,상기 광원으로부터의 광을 평행화하는 평행화 광학계와,상기 평행화 광학계로부터의 광중 특정의 진동 방향의 편광광을 투과시키고, 상기 특정의 진동 방향과는 상이한 다른 진동 방향의 편광광을 반사하는 반사형 편광판을 포함하며,상기 평행화 광학계는 상기 광원과 상기 반사형 편광판 사이에 배치된 콜리메이터 렌즈를 갖고,상기 반사형 편광판에 의해 반사되어 상기 광원의 방향으로 진행하는 광을, 상기 평행화 광학계의 방향으로 반사하는 반사부를 포함하는 것을 특징으로 하는조명 장치.
- 제 1 항에 있어서,상기 평행화 광학계는 리플렉터를 더 포함하는 것을 특징으로 하는조명 장치.
- 제 1 항에 있어서,복수의 상기 광원이 어레이형으로 설치되고,복수의 상기 평행화 광학계와, 복수의 상기 반사형 편광판이 상기 광원에 대응해서 각각 어레이형으로 설치되는 것을 특징으로 하는조명 장치.
- 제 1 항에 있어서,상기 평행화 광학계와 상기 반사형 편광판 사이에 위상판을 구비하는 것을 특징으로 하는조명 장치.
- 제 1 항에 있어서,상기 반사형 편광판을 투과한 상기 편광광을 집광하는 렌즈계를 더 포함하는 것을 특징으로 하는조명 장치.
- 특정의 진동 방향의 편광광을 공급하는 조명 장치와,상기 조명 장치로부터의 상기 편광광의 강도 분포를 균일화하는 도광 광학계와,상기 도광 광학계로부터의 광을 화상 신호에 따라 변조하는 공간 광변조 장치와,상기 공간 광변조 장치로부터의 광을 투사하는 투사 렌즈를 포함하며,상기 조명 장치는 제 1 항 내지 제 5 항 중 어느 한 항에 기재된 조명 장치인 것을 특징으로 하는프로젝터.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003397172A JP2005157059A (ja) | 2003-11-27 | 2003-11-27 | 照明装置及びプロジェクタ |
JPJP-P-2003-00397172 | 2003-11-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050051559A KR20050051559A (ko) | 2005-06-01 |
KR100688673B1 true KR100688673B1 (ko) | 2007-03-02 |
Family
ID=34722394
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020040097272A KR100688673B1 (ko) | 2003-11-27 | 2004-11-25 | 조명 장치 및 프로젝터 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7484850B2 (ko) |
JP (1) | JP2005157059A (ko) |
KR (1) | KR100688673B1 (ko) |
CN (1) | CN1621891A (ko) |
TW (1) | TW200519412A (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20180096720A (ko) * | 2016-01-20 | 2018-08-29 | 우시오덴키 가부시키가이샤 | 광원 장치 |
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JP4100276B2 (ja) * | 2003-07-04 | 2008-06-11 | セイコーエプソン株式会社 | 照明装置及びプロジェクタ |
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JP2007156294A (ja) * | 2005-12-08 | 2007-06-21 | Victor Co Of Japan Ltd | 偏光光源装置及び画像表示装置 |
JP2007034012A (ja) * | 2005-07-28 | 2007-02-08 | Victor Co Of Japan Ltd | 偏光光源装置及び画像表示装置 |
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JP4909703B2 (ja) * | 2006-10-12 | 2012-04-04 | Necディスプレイソリューションズ株式会社 | プロジェクタ |
US7654716B1 (en) | 2006-11-10 | 2010-02-02 | Doheny Eye Institute | Enhanced visualization illumination system |
CN101542192A (zh) * | 2006-11-22 | 2009-09-23 | 皇家飞利浦电子股份有限公司 | 照明***和显示设备 |
JP2010520589A (ja) | 2007-02-28 | 2010-06-10 | ドヘニー アイ インスティテュート | 可搬手持ち照明装置 |
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US8608362B2 (en) * | 2008-06-13 | 2013-12-17 | 3M Innovative Properties Company | Collimating light engine |
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JP5532210B2 (ja) * | 2009-11-17 | 2014-06-25 | セイコーエプソン株式会社 | 照明装置およびプロジェクター |
JP5403255B2 (ja) * | 2009-11-17 | 2014-01-29 | セイコーエプソン株式会社 | 照明装置およびプロジェクター |
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JP2012014045A (ja) | 2010-07-02 | 2012-01-19 | Seiko Epson Corp | プロジェクター |
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US9170474B2 (en) * | 2012-06-21 | 2015-10-27 | Qualcomm Mems Technologies, Inc. | Efficient spatially modulated illumination system |
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DE112014000523B4 (de) * | 2013-01-23 | 2021-07-08 | Mitsubishi Electric Corporation | Projektionsgerät |
JP6701751B2 (ja) * | 2016-01-20 | 2020-05-27 | セイコーエプソン株式会社 | 光源装置及びプロジェクター |
US11561406B2 (en) * | 2017-12-10 | 2023-01-24 | Lumus Ltd. | Image projector |
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2003
- 2003-11-27 JP JP2003397172A patent/JP2005157059A/ja not_active Withdrawn
-
2004
- 2004-10-27 TW TW093132618A patent/TW200519412A/zh unknown
- 2004-11-05 CN CNA2004100886150A patent/CN1621891A/zh active Pending
- 2004-11-19 US US10/992,000 patent/US7484850B2/en not_active Expired - Fee Related
- 2004-11-25 KR KR1020040097272A patent/KR100688673B1/ko active IP Right Grant
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JPH04127120A (ja) * | 1990-09-18 | 1992-04-28 | Mitsubishi Electric Corp | 投写型表示装置 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20180096720A (ko) * | 2016-01-20 | 2018-08-29 | 우시오덴키 가부시키가이샤 | 광원 장치 |
KR102105611B1 (ko) * | 2016-01-20 | 2020-04-28 | 우시오덴키 가부시키가이샤 | 광원 장치 |
US10845010B2 (en) | 2016-01-20 | 2020-11-24 | Ushio Denki Kabushiki Kaisha | Light source device |
Also Published As
Publication number | Publication date |
---|---|
JP2005157059A (ja) | 2005-06-16 |
TW200519412A (en) | 2005-06-16 |
US20050157263A1 (en) | 2005-07-21 |
CN1621891A (zh) | 2005-06-01 |
US7484850B2 (en) | 2009-02-03 |
KR20050051559A (ko) | 2005-06-01 |
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