KR920005628A - Polarizing Beam Generator and LCD Projector Using the Polarizing Beam Generator - Google Patents

Polarizing Beam Generator and LCD Projector Using the Polarizing Beam Generator Download PDF

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Publication number
KR920005628A
KR920005628A KR1019900012685A KR900012685A KR920005628A KR 920005628 A KR920005628 A KR 920005628A KR 1019900012685 A KR1019900012685 A KR 1019900012685A KR 900012685 A KR900012685 A KR 900012685A KR 920005628 A KR920005628 A KR 920005628A
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KR
South Korea
Prior art keywords
polarizing beam
beam generator
reflecting mirrors
lens
polarizing
Prior art date
Application number
KR1019900012685A
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Korean (ko)
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KR930003960B1 (en
Inventor
이동희
Original Assignee
이헌조
주식회사 금성사
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Priority to KR1019900012685A priority Critical patent/KR930003960B1/en
Publication of KR920005628A publication Critical patent/KR920005628A/en
Application granted granted Critical
Publication of KR930003960B1 publication Critical patent/KR930003960B1/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/74Projection arrangements for image reproduction, e.g. using eidophor

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Liquid Crystal (AREA)
  • Projection Apparatus (AREA)

Abstract

내용 없음No content

Description

편광빔 제너레이터 및 그 편광빔 제너레이터를 이용한 LCD프로젝터Polarizing Beam Generator and LCD Projector Using the Polarizing Beam Generator

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

제1도는 본 발명에 의한 편광빔 제너레이터의 구성을 보인 사시도,1 is a perspective view showing the configuration of a polarizing beam generator according to the present invention,

제2도는 동상의 구성을 보인 정면도,2 is a front view showing the composition of the statue,

제3도는 본 발명의 편광빔 제너레이터에 따른 LCD프로젝터의 측면도.3 is a side view of the LCD projector according to the polarizing beam generator of the present invention.

Claims (4)

편광빔 분리기(1)와, 그 편광빔 분리기(1)에서 출사된 P,S편광빔(P),(S)중 하나의 범진행방향을 다른하나의 범진행 방향과 일치시키기 위한 수개의 A,B,C,D반사미러(2),(3),(4),(5)로 구성하되, 상기 편광빔 분리기(1)의 폭을a, 높이를b,너비를c라 할 경우, bc면의 하측모서리 및 ab면의 상측모서리에 A,D반사미러(2),(5)를 소정경사각도를 설치하고, 그 상측부에 A반사미러(2)에 의하여 반사된 빔을 D반사미러(5)로 반사시키는 B,C반사미러(3),(4)를 소정각도로 설치하여 구성함을 특징으로 하는 편광빔 제너레이터.Several As for matching the traveling direction of one of the polarizing beam separator 1 and the P, S polarizing beams P, and S emitted from the polarizing beam separator 1 with the other traveling direction And B, C, and D reflecting mirrors (2), (3), (4) and (5), wherein the width of the polarizing beam splitter 1 is a, height b and width c. A, D reflecting mirrors (2) and (5) are provided with predetermined inclination angles on the lower edge of the bc surface and the upper edge of the ab surface, and the beam reflected by the A reflecting mirror (2) on the upper side thereof is reflected by D A polarizing beam generator comprising B and C reflecting mirrors (3) and (4), which are reflected by a mirror (5), at a predetermined angle. 제1항에 있어서, 상기 A,B,C반사미러(2),(3),(4)의 크기는 가로×세로=의 등식이 성립되고, D반사미러(5)의 크기는 가로×세로=의 등식이 성립되도록 구성된 것을 특징으로 하는 편광빔 제너레이터.According to claim 1, wherein the size of the A, B, C reflecting mirrors (2), (3), (4) is horizontal × vertical = The equation of D is established, and the size of the D reflection mirror 5 is horizontal × vertical = Polarization beam generator, characterized in that configured to hold the equation. 램프(14), 비구면반사경(15), 전,후구면반사경(16),(17), 필터(18),콘덴서렌즈(13), LCD(19), 프로젝션렌즈(20)등으로 구성되는 통상적인 LCD프로젝터에 있어서, 상기 필터(18)의 후방에 편광빔 분리기(1)와, 그 편광빔 분리기(1)에서 출사된 P,S편광빔(P),(S)중 하나의 범진행방향을 일치시키기 위한 A,B,C,D반사미러(2),(3),(4),(5)로 구성되는 편광빔 제너레이터(10)를 설치하고, 그 편광빔 제너레이터(10)와 콘덴서렌즈(13)의 사이에 볼록실린더렌즈(11)와 오목실린더렌즈(12)를 배치하여 구성함을 특징으로 하는 편광빔 제너레이터를 이용하는 LCD프로젝터.A conventional lamp composed of a lamp 14, an aspheric reflector 15, a front and rear reflector 16, 17, a filter 18, a capacitor lens 13, an LCD 19, a projection lens 20, and the like. In the LCD projector, a transverse direction of one of the polarizing beam separator (1) and the P, S polarizing beam (P), (S) emitted from the polarizing beam separator (1) behind the filter (18). A polarizing beam generator (10) consisting of A, B, C, D reflecting mirrors (2), (3), (4), and (5) to match the polarizing beam generator (10) and the capacitor An LCD projector using a polarizing beam generator characterized by arranging a convex cylinder lens (11) and a concave cylinder lens (12) between lenses (13). 제3항에 있어서, 볼록실린더렌즈(11) 및 오목실린더렌즈(12)의 파워 분배를 렌즈대칭축을 중심으로 각각 다르게 하여 광량밀도를 균일하도록 구성한 것을 특징으로 하는 편광빔 제너레이터를 이용하는 LCD프로젝터.4. The LCD projector using a polarization beam generator according to claim 3, wherein the power distribution of the convex cylinder lens (11) and the concave cylinder lens (12) is configured so as to uniform the light quantity density by differently centering the lens symmetry axis. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900012685A 1990-08-17 1990-08-17 Lcd projector KR930003960B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019900012685A KR930003960B1 (en) 1990-08-17 1990-08-17 Lcd projector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019900012685A KR930003960B1 (en) 1990-08-17 1990-08-17 Lcd projector

Publications (2)

Publication Number Publication Date
KR920005628A true KR920005628A (en) 1992-03-28
KR930003960B1 KR930003960B1 (en) 1993-05-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900012685A KR930003960B1 (en) 1990-08-17 1990-08-17 Lcd projector

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KR (1) KR930003960B1 (en)

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Publication number Publication date
KR930003960B1 (en) 1993-05-17

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