KR100238320B1 - 액정 프로젝트장치의 광학계 - Google Patents

액정 프로젝트장치의 광학계 Download PDF

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Publication number
KR100238320B1
KR100238320B1 KR1019970050380A KR19970050380A KR100238320B1 KR 100238320 B1 KR100238320 B1 KR 100238320B1 KR 1019970050380 A KR1019970050380 A KR 1019970050380A KR 19970050380 A KR19970050380 A KR 19970050380A KR 100238320 B1 KR100238320 B1 KR 100238320B1
Authority
KR
South Korea
Prior art keywords
light
scrambler
optical system
liquid crystal
focusing
Prior art date
Application number
KR1019970050380A
Other languages
English (en)
Korean (ko)
Other versions
KR19990027850A (ko
Inventor
김두영
Original Assignee
윤종용
삼성전자주식회사
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 윤종용, 삼성전자주식회사 filed Critical 윤종용
Priority to KR1019970050380A priority Critical patent/KR100238320B1/ko
Priority to JP10228111A priority patent/JPH11160789A/ja
Publication of KR19990027850A publication Critical patent/KR19990027850A/ko
Application granted granted Critical
Publication of KR100238320B1 publication Critical patent/KR100238320B1/ko

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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]
    • H04N9/3102—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
    • 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
    • G02B27/149—Beam splitting or combining systems operating by reflection only using crossed beamsplitting surfaces, e.g. cross-dichroic cubes or X-cubes
    • 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
    • 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]
    • H04N9/3197—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using light modulating optical valves

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Projection Apparatus (AREA)
  • Liquid Crystal (AREA)
KR1019970050380A 1997-09-30 1997-09-30 액정 프로젝트장치의 광학계 KR100238320B1 (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1019970050380A KR100238320B1 (ko) 1997-09-30 1997-09-30 액정 프로젝트장치의 광학계
JP10228111A JPH11160789A (ja) 1997-09-30 1998-08-12 液晶プロジェクターの光学システム

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019970050380A KR100238320B1 (ko) 1997-09-30 1997-09-30 액정 프로젝트장치의 광학계

Publications (2)

Publication Number Publication Date
KR19990027850A KR19990027850A (ko) 1999-04-15
KR100238320B1 true KR100238320B1 (ko) 2000-01-15

Family

ID=19522039

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019970050380A KR100238320B1 (ko) 1997-09-30 1997-09-30 액정 프로젝트장치의 광학계

Country Status (2)

Country Link
JP (1) JPH11160789A (ja)
KR (1) KR100238320B1 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100786066B1 (ko) * 2001-02-01 2007-12-17 엘지전자 주식회사 액정 프로젝터의 광학계
KR100643467B1 (ko) * 2005-06-13 2006-11-10 엘지전자 주식회사 영상투사장치의 조명광학계

Also Published As

Publication number Publication date
JPH11160789A (ja) 1999-06-18
KR19990027850A (ko) 1999-04-15

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