KR970025073A - Optical system of projection image display device - Google Patents

Optical system of projection image display device Download PDF

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Publication number
KR970025073A
KR970025073A KR1019950037475A KR19950037475A KR970025073A KR 970025073 A KR970025073 A KR 970025073A KR 1019950037475 A KR1019950037475 A KR 1019950037475A KR 19950037475 A KR19950037475 A KR 19950037475A KR 970025073 A KR970025073 A KR 970025073A
Authority
KR
South Korea
Prior art keywords
optical path
lens
display device
image display
path controller
Prior art date
Application number
KR1019950037475A
Other languages
Korean (ko)
Other versions
KR0164179B1 (en
Inventor
황진
Original Assignee
배순훈
대우전자 주식회사
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 배순훈, 대우전자 주식회사 filed Critical 배순훈
Priority to KR1019950037475A priority Critical patent/KR0164179B1/en
Publication of KR970025073A publication Critical patent/KR970025073A/en
Application granted granted Critical
Publication of KR0164179B1 publication Critical patent/KR0164179B1/en

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Classifications

    • 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
    • H04N9/315—Modulator illumination systems
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/0006—Arrays
    • G02B3/0037—Arrays characterized by the distribution or form of lenses
    • G02B3/0043—Inhomogeneous or irregular arrays, e.g. varying shape, size, height
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/0006—Arrays
    • G02B3/0037—Arrays characterized by the distribution or form of lenses
    • G02B3/0062—Stacked lens arrays, i.e. refractive surfaces arranged in at least two planes, without structurally separate optical elements in-between
    • 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
    • G03B21/28—Reflectors in projection beam
    • 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

Abstract

본 발명은 광로조절기의 전면에 2중 렌즈어레이를 설치하고 광로조절기를 투과형으로하여 단순한 광학계를 구성한 투사형화상표시장치의 광하계의 관한 것으로, 그 구성은 고휘도의 백색광을 방사하는 광원(11)과, 상기 광원(11)으로부터 입사된 광을 반사시키는 반사거울(13)과, 상기 반사거울(13)로부터 반사된 입사광을 소정각도로 집속시키는 필드렌즈(14)와, 입사되는 광을 소정신호에 따라 화소에 대응하도록 광로를 조절하는 광로조절기(50)와, 상기 광로조절기(50)로 부터 광로가 조절되어 입사된 망을 스크린으로 투사시키는 투사렌즈(16)로 이루어지는 투사형화상표시장치에있어서, 상기광로조절기(50)와 필드렌즈의 사이에는 2중렌즈어레이(30,40)가 설치되어 이루어진 것이다.The present invention relates to a light emission system of a projection image display device in which a dual lens array is provided on the front side of an optical path controller and the optical path controller is made of a transmission type, and constitutes a simple optical system. A reflection mirror 13 for reflecting light incident from the light source 11, a field lens 14 for focusing incident light reflected from the reflection mirror 13 at a predetermined angle, and incident light on a predetermined signal; In the projection image display device comprising an optical path controller 50 for adjusting an optical path to correspond to a pixel and a projection lens 16 for controlling an optical path from the optical path controller 50 to project an incident network onto a screen. Dual lens arrays 30 and 40 are provided between the optical path controller 50 and the field lens.

Description

투사형 화상표시장치의 광학계Optical system of projection image display device

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

제2도는 본 발명에 따른 투사형화상표시장치의 광학계를 개략적으로 나타낸 평면도2 is a plan view schematically showing an optical system of a projection image display device according to the present invention.

Claims (4)

고휘도의 백색광을 방사하는 광원(11)과, 상기 광원(1l)으로부터 입사된 광을 반사시키는 반사거울(13)과, 상기 반사거울(13)로부터 반사된 입사광을 소정각도로 집속시키는 필드렌즈(14)와, 입사되는 광을 소정신호에 따라 화소에 대응하도록 광로를 조절하는 광로조절기(50)와, 상기 광로조절기(50)로 부터 광로가 조절되어 입사된 광을 스크린으로 투사시키는 투사렌즈(16)로 이루어지는 투사형화상표시장치에 있어서, 상기 광로조절기(50)와 필드렌즈 사이에는 2중렌즈어레이(30,40)가 설치되어 이루어진 것을 특징으로 하는 투사형화상표시장치의 광학계.A light source 11 emitting white light having high brightness, a reflection mirror 13 reflecting light incident from the light source 1l, and a field lens for focusing incident light reflected from the reflection mirror 13 at a predetermined angle ( 14), an optical path controller 50 for adjusting the optical path to correspond to the pixel according to a predetermined signal, and a projection lens for controlling the optical path from the optical path controller 50 to project the incident light onto the screen; 16. A projection image display device comprising: a dual lens array (30, 40) provided between the optical path controller (50) and a field lens. 제1항에 있어서, 상기 2중렌즈어레이(30, 40)의 제1 렌즈어레이(30)는 광로조절기(50)의 미러(50c)의 숫자와 같이 형성된 렌즈부(30a)와, 상기 다수개의 렌즈부(30a) 사이에 코텅형성된 코텅부(30b)로 이루어진 것을 특징으로 하는 투사형화상표시장치의 광학계.The method of claim 1, wherein the first lens array 30 of the dual lens array (30, 40) is formed of the lens portion (30a) and the number of the plurality of mirrors 50c of the optical path controller 50, An optical system of a projection image display device, characterized in that it comprises a nose tongue portion (30b) formed between the lens portion (30a). 제1항에 있어서, 상기 2중렌즈 어레이(30,40)의 제2 렌즈어레이(40)는 투과부(40a)와 반사면(40b)으로 이루어진 것을 특징으로 하는 투사형화상표시장치의 광학계.The optical system of claim 1, wherein the second lens array (40) of the dual lens array (30, 40) comprises a transmission portion (40a) and a reflection surface (40b). 제1항에 있어서, 상기 공로조절기(50)의 패널(50a)는 글래스(galss)로 이루어져 광을 투과시킬 수 있도록 된 것을 특징으로 하는 투사형화상표시장치의 광학계.The optical system of a projection image display device according to claim 1, wherein the panel (50a) of the merits regulator (50) is made of glass (galss) to transmit light.
KR1019950037475A 1995-10-27 1995-10-27 Optical system of projector KR0164179B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950037475A KR0164179B1 (en) 1995-10-27 1995-10-27 Optical system of projector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950037475A KR0164179B1 (en) 1995-10-27 1995-10-27 Optical system of projector

Publications (2)

Publication Number Publication Date
KR970025073A true KR970025073A (en) 1997-05-30
KR0164179B1 KR0164179B1 (en) 1999-01-15

Family

ID=19431532

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950037475A KR0164179B1 (en) 1995-10-27 1995-10-27 Optical system of projector

Country Status (1)

Country Link
KR (1) KR0164179B1 (en)

Also Published As

Publication number Publication date
KR0164179B1 (en) 1999-01-15

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