KR870007430A - 프레이넬 렌즈를 가진 라이트 박스 - Google Patents

프레이넬 렌즈를 가진 라이트 박스 Download PDF

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Publication number
KR870007430A
KR870007430A KR860011504A KR860011504A KR870007430A KR 870007430 A KR870007430 A KR 870007430A KR 860011504 A KR860011504 A KR 860011504A KR 860011504 A KR860011504 A KR 860011504A KR 870007430 A KR870007430 A KR 870007430A
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KR
South Korea
Prior art keywords
light source
light
reflector
disposed adjacent
lens
Prior art date
Application number
KR860011504A
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English (en)
Inventor
윌리엄 노스커 리차드
Original Assignee
글렌 에이취. 부르스틀
알 씨 에이 코오포레이숀
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 글렌 에이취. 부르스틀, 알 씨 에이 코오포레이숀 filed Critical 글렌 에이취. 부르스틀
Publication of KR870007430A publication Critical patent/KR870007430A/ko

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • F21V13/02—Combinations of only two kinds of elements
    • F21V13/04—Combinations of only two kinds of elements the elements being reflectors and refractors
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
    • G02B19/0028—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed refractive and reflective surfaces, e.g. non-imaging catadioptric systems
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133526—Lenses, e.g. microlenses or Fresnel lenses

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Liquid Crystal (AREA)
  • Optical Elements Other Than Lenses (AREA)

Abstract

내용 없음

Description

프레이넬 렌즈를 가진 라이트 박스
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (14)

  1. 광원, 상기 광원에 인접해서 배치되고 개구를 가진 반사기 및 상기 반사기의 개구에 인접해서 배치된 프레이넬 렌즈를 구비한 것을 특징으로 하는 라이트 박스.
  2. 제1항에 있어서, 상기 광원은 선광원인 것을 특징으로 하는 라이트 박스.
  3. 제2항에 있어서, 상기 선광원은 형광관을 구비하는 것을 특징으로 하는 라이트 박스.
  4. 제1항에 있어서, 상기 반사기는 원통형 포물선 반사기를 구비하는 것을 특징으로 하는 라이트 박스.
  5. 제1항에 있어서, 상기 렌즈는 아크릴 플라스틱을 구비하는 것을 특징으로 하는 라이트 박스.
  6. 제5항에 있어서, 상기 플라스틱은 폴리(메틸메타아크릴레이트)를 구비하는 것을 특징으로 하는 라이트 박스.
  7. 제1항에 있어서, 상기 렌즈는 한 평면에서 상기 광원과 반사기의 광을 콜리메이트 하는 것을 특징으로 하는 라이트 박스.
  8. 광원, 상기 광원에 인접해서 배치되고 개구를 갖는 반사기, 상기 반사기의 개구에 인접해서 배치된 프레이넬 렌즈, 상기 렌즈에 인접해서 배치된 편광수단, 상기 편광수단에 인접해서 배치된 편광 가변 수단 및 상기 편광 가변 수단을 통과한 편광을 분석하는 수단을 구비한 것을 특징으로 하는 디스플레이.
  9. 제8항에 있어서, 상기 렌즈는 광이 편광 가변 수단에 입사될 때 통과하는 표면에 대해 수직 방향으로 광을 콜리메이트 하는 것을 특징으로 하는 디스플레이.
  10. 제8항에 있어서, 상기 편광 수단과 분석수단은 시이트 편광기를 각기 구비하는 것을 특징으로 하는 디스플레이.
  11. 제8항에 있어서, 상기 편광 가변 수단은 액정셀을 구비하는 것을 특징으로 하는 디스플레이.
  12. 제11항에 있어서, 상기 셀은 트위스트된 네마틱 액정 셀을 포함하는 것을 특징으로 하는 디스플레이.
  13. 제8항에 있어서, 상기 분석 수단에 인접해서 배치된 확산 수단을 추가로 구비하는 것을 특징으로 하는 디스플레이.
  14. 제13항에 있어서, 상기 확산수단은 원통형 렌즈 배열인 것을 특징으로 하는 디스플레이.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR860011504A 1986-01-02 1986-12-30 프레이넬 렌즈를 가진 라이트 박스 KR870007430A (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB868600021A GB8600021D0 (en) 1986-01-02 1986-01-02 Light box
GB8,600,021 1986-01-02
US06/890,476 US4704004A (en) 1986-01-02 1986-07-30 Light box having a Fresnel lens
GB890,476 1986-07-30

Publications (1)

Publication Number Publication Date
KR870007430A true KR870007430A (ko) 1987-08-19

Family

ID=10590848

Family Applications (1)

Application Number Title Priority Date Filing Date
KR860011504A KR870007430A (ko) 1986-01-02 1986-12-30 프레이넬 렌즈를 가진 라이트 박스

Country Status (4)

Country Link
US (1) US4704004A (ko)
JP (1) JPS62165803A (ko)
KR (1) KR870007430A (ko)
GB (1) GB8600021D0 (ko)

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Also Published As

Publication number Publication date
GB8600021D0 (en) 1986-02-12
US4704004A (en) 1987-11-03
JPS62165803A (ja) 1987-07-22

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