KR920007459A - Optics for LCD Projectors - Google Patents

Optics for LCD Projectors Download PDF

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Publication number
KR920007459A
KR920007459A KR1019900014586A KR900014586A KR920007459A KR 920007459 A KR920007459 A KR 920007459A KR 1019900014586 A KR1019900014586 A KR 1019900014586A KR 900014586 A KR900014586 A KR 900014586A KR 920007459 A KR920007459 A KR 920007459A
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KR
South Korea
Prior art keywords
light
blue
red
total reflection
subframes
Prior art date
Application number
KR1019900014586A
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Korean (ko)
Inventor
정연욱
Original Assignee
이헌조
주식회사 금성사
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 이헌조, 주식회사 금성사 filed Critical 이헌조
Priority to KR1019900014586A priority Critical patent/KR920007459A/en
Publication of KR920007459A publication Critical patent/KR920007459A/en

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Abstract

내용 없음No content

Description

엘씨디 프로젝터용 광학장치Optics for LCD Projectors

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제3도는 본 발명의 구성도.3 is a block diagram of the present invention.

Claims (1)

할로겐 램프(7)의 백색광을 청색(B)광, 녹생광(G) 및 적색광(R)으로 분리하여 LCD단색판넬(61a)(61b)(61c)를 통해 투사렌즈(59)에서 합성하기 위하여, 청색(B)광에 대하여 청색(B)투과 이색성필터(52), 전반사미러(53)와 청색(B)반사 이색성미러(62), 가 배열되고, 녹색(G)광에 대하여 제2전반사미러(55)와 적색(R)반사이색성 미러(56)가 배열되며, 적색(R)광에 대하여 제3전반사 미러(57), 제4전반사 미러(57)와 적색(R)반사 이색성미러(63)가 배열되는 것에 있어서, 각 광학부품을 정삼각형의 형태로서 전체적으로 평행사변형의 평면을 이루도록 조합되는 정삼각형의 서브프레임(54a)(54b)(54c)(54d), 이들 서브프레임(54a-54d)와 함께 메인프레임(54)을 구성하는 직각이등변삼각형의 서브프레임(54e)(54f)와, 이들 사이에 조합되는 사각 서브프레임(54g)에 배열됨을 특징으로 하는 엘씨디 프로젝터용 광학장치.In order to separate the white light of the halogen lamp 7 into blue (B) light, green light (G) and red light (R) and synthesize it in the projection lens 59 through the LCD monochrome panels 61a, 61b and 61c. , A blue (B) transparent dichroic filter 52, a total reflection mirror 53 and a blue (B) reflective dichroic mirror 62, are arranged with respect to blue (B) light, and Two total reflection mirrors 55 and a red (R) anti-dichroic mirror 56 are arranged, and the third total reflection mirror 57, the fourth total reflection mirror 57 and the red (R) reflection with respect to the red (R) light. In the arrangement of the dichroic mirrors 63, equilateral triangular subframes 54a, 54b, 54c, 54d, which are combined so that each optical part in the form of an equilateral triangle, form an overall parallelogram plane, and these subframes ( 54D and 54D, which are arranged in the right angled isosceles triangle subframes 54e and 54f constituting the main frame 54, and the rectangular subframe 54g combined therebetween. Optics for Projectors. ※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임.※ Note: This is to be disclosed by the original application.
KR1019900014586A 1990-09-14 1990-09-14 Optics for LCD Projectors KR920007459A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019900014586A KR920007459A (en) 1990-09-14 1990-09-14 Optics for LCD Projectors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019900014586A KR920007459A (en) 1990-09-14 1990-09-14 Optics for LCD Projectors

Publications (1)

Publication Number Publication Date
KR920007459A true KR920007459A (en) 1992-04-28

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ID=67542962

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900014586A KR920007459A (en) 1990-09-14 1990-09-14 Optics for LCD Projectors

Country Status (1)

Country Link
KR (1) KR920007459A (en)

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