KR100644583B1 - 반사형 프로젝트장치 - Google Patents
반사형 프로젝트장치 Download PDFInfo
- Publication number
- KR100644583B1 KR100644583B1 KR1019990049101A KR19990049101A KR100644583B1 KR 100644583 B1 KR100644583 B1 KR 100644583B1 KR 1019990049101 A KR1019990049101 A KR 1019990049101A KR 19990049101 A KR19990049101 A KR 19990049101A KR 100644583 B1 KR100644583 B1 KR 100644583B1
- Authority
- KR
- South Korea
- Prior art keywords
- light
- incident
- dichroic mirror
- path
- uniform
- 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
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- 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
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
- G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
- G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
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- 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
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- 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
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- 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
- G03B21/2066—Reflectors in illumination beam
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Projection Apparatus (AREA)
Abstract
Description
Claims (2)
- 광원과;상기 광원에서 조명된 광이 균일광이 되도록 입사광을 집속 발산시켜 혼합하며, 주광선이 광축에 대해 대략 평행한 광이 되도록 하는 균일광 조명유니트와;상기 균일광 조명유니트에서 조사된 광을 집속시키는 콘덴서렌즈와;상기 균일광 조명유니트와 상기 콘덴서렌즈 사이의 광로 상에 광축에 대해 소정 각도 경사지게 배치되며, 입사된 텔레센트릭 광을 파장영역에 따라 서로 다른 경로로 분기시키는 제1이색미러와;광로 상에 배치되며, 상기 제1이색미러에서 분기된 소정 파장영역의 광을 재차 파장영역에 따라 서로 다른 경로로 분기시키는 제2이색미러와;상기 제1 및 제2이색미러에서 분기된 광 각각의 진행 경로 상에 배치되어 입사광의 편광방향에 따라 광의 진행경로를 변환하는 편광빔스프리터와;상기 편광빔스프리터를 경유하는 일 편광의 입사광으로부터 화상을 생성하는 반사형 디스플레이소자와;상기 반사형 디스플레이소자에서 생성되고 상기 편광빔스프리터를 경유하여 입사된 광이 일 방향으로 출사되도록 파장에 따라 선택적으로 광을 투과 또는 반사시키는 칼라프리즘과;상기 칼라프리즘 쪽에서 입사되는 광이 스크린으로 향하도록 확대 투과시키는 투사렌즈유니트를; 포함하며,상기 콘덴서렌즈는,동일 렌즈 데이터를 갖는 두 매의 렌즈로 구성되며, 상기 제1이색미러에서 분기된 두 광 진행경로 상에 각각 마련된 것을 특징으로 하는 반사형 프로젝트장치.
- 삭제
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990049101A KR100644583B1 (ko) | 1999-11-06 | 1999-11-06 | 반사형 프로젝트장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990049101A KR100644583B1 (ko) | 1999-11-06 | 1999-11-06 | 반사형 프로젝트장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010045708A KR20010045708A (ko) | 2001-06-05 |
KR100644583B1 true KR100644583B1 (ko) | 2006-11-13 |
Family
ID=19618941
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019990049101A Expired - Fee Related KR100644583B1 (ko) | 1999-11-06 | 1999-11-06 | 반사형 프로젝트장치 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100644583B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005227339A (ja) * | 2004-02-10 | 2005-08-25 | Seiko Epson Corp | 光源装置、光源装置製造方法、及びプロジェクタ |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06342157A (ja) * | 1993-03-15 | 1994-12-13 | Casio Comput Co Ltd | 液晶プロジェクタ |
KR19990000641A (ko) * | 1997-06-09 | 1999-01-15 | 윤종용 | 반사형 프로젝트 장치 |
JPH11119153A (ja) * | 1997-08-07 | 1999-04-30 | Internatl Business Mach Corp <Ibm> | 投射装置 |
-
1999
- 1999-11-06 KR KR1019990049101A patent/KR100644583B1/ko not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06342157A (ja) * | 1993-03-15 | 1994-12-13 | Casio Comput Co Ltd | 液晶プロジェクタ |
KR19990000641A (ko) * | 1997-06-09 | 1999-01-15 | 윤종용 | 반사형 프로젝트 장치 |
JPH11119153A (ja) * | 1997-08-07 | 1999-04-30 | Internatl Business Mach Corp <Ibm> | 投射装置 |
Also Published As
Publication number | Publication date |
---|---|
KR20010045708A (ko) | 2001-06-05 |
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