KR860001315A - 광확산기 - Google Patents

광확산기 Download PDF

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Publication number
KR860001315A
KR860001315A KR1019850002482A KR850002482A KR860001315A KR 860001315 A KR860001315 A KR 860001315A KR 1019850002482 A KR1019850002482 A KR 1019850002482A KR 850002482 A KR850002482 A KR 850002482A KR 860001315 A KR860001315 A KR 860001315A
Authority
KR
South Korea
Prior art keywords
light
diffuser
light diffuser
plates
predetermined angle
Prior art date
Application number
KR1019850002482A
Other languages
English (en)
Other versions
KR910001084B1 (ko
Inventor
도끼히꼬 마스자와 (외 2)
Original Assignee
가와사끼 데루오
미쯔비시 레이욘 가부시기 가이샤
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
Priority claimed from JP59136691A external-priority patent/JPS6115104A/ja
Priority claimed from JP59227537A external-priority patent/JPS61105504A/ja
Application filed by 가와사끼 데루오, 미쯔비시 레이욘 가부시기 가이샤 filed Critical 가와사끼 데루오
Publication of KR860001315A publication Critical patent/KR860001315A/ko
Application granted granted Critical
Publication of KR910001084B1 publication Critical patent/KR910001084B1/ko

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/003—Lens or lenticular sheet or layer
    • 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
    • F21V7/00—Reflectors for light sources
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0045—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide
    • G02B6/0046—Tapered light guide, e.g. wedge-shaped light guide
    • G02B6/0048—Tapered light guide, e.g. wedge-shaped light guide with stepwise taper
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0051—Diffusing sheet or layer
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0066—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
    • G02B6/007—Incandescent lamp or gas discharge lamp
    • G02B6/0071—Incandescent lamp or gas discharge lamp with elongated shape, e.g. tube
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/18—Edge-illuminated signs
    • G09F2013/1804—Achieving homogeneous illumination
    • G09F2013/1822—Stair-cased profiled window
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/18—Edge-illuminated signs
    • G09F2013/1804—Achieving homogeneous illumination
    • G09F2013/1827—Prismatic window

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Planar Illumination Modules (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Liquid Crystal (AREA)

Abstract

내용 없음

Description

광확산기
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 의한 광확산기의1실시예의 단면도.
제2도는 본 발명에 의한 광확산기의 다른 실시예의 단면도.
제3도는 본 발명에 의한 광확산기의 또 다른 실시예의 단면도.
제8도는 본 발명에 의한 공확산기의 다른 실시예의 단면도.
제9도는 제8도에 나타난 광확산기에 사용되는 광전송기의 사시도.
도면의 주요부분에 대한 부호를 설명
1:광입명면, 2:광방사면, 3:광전송기, 4:반사판, 5:투명판, 5a,5b:단부, 6:광원, 7:입사광, 8:피조명면, 9:광산란 반사판, 10:광확산판, 10a:돌기, 11:상자, 12:렌즈, 13:계단, 14:광확산판, 15:프리즘.

Claims (29)

  1. 광입사면과, 복수개의 광전송판으로 된 적층판으로 구성된 상기 광입사면으로부터 광선을 받는 광전송기와, 광입사면에 수직인 광방사면으로 된 단부조명 형광확산기.
  2. 제1항에 있어서, 복수개의 광전송판의 적층판은 광입사면에 대하여 소정의 각도로 광입사면으로부터 경사져 있는 광확산기.
  3. 제2항에 있어서, 소정의 각도가 90°이상인 광확산기
  4. 제2항에 있어서, 상기 소정의 각도가 90°이하인 광확산기
  5. 제2항에 있어서, 상기 광전송기는 대체로 메타크릴릭수지로된 광확산기
  6. 제2항에 있어서, 상기 광입사면은 일단부가 광선을 받는 복수개의 광전송판으로 된 상기 적층판의 일단에 의하여 형성된 광확산기.
  7. 제1항에 있어서, 광을 방사하는 상기 복수개의 적층판의 단부가 계단상자구조를 형성하는 광확산기
  8. 제2항에 있어서, 광을 방사하는 상기 복수개의 판의 단부가 단일 평면에 모두 위치한 광확산기
  9. 제3항에 있어서, 상기 복수개의 각각의 단부의 하나로부터 방사되는 광선을 반사하기 위한 광반사기구를 갖추고, 관반사기구는 광산을 방사하는 상기의 복수개의 판의 단부의 하나의 각각과 대체적으로 접촉하도록 설치된 광확산기.
  10. 제9항에 있어서, 광확산기가 광반사기 반대쪽에 설치되어 반사된 광선을 확산하기위한 광확산기
  11. 제4항에 있어서, 광을 방사하도록 하는 복수개의 투명판의 단부와 대체적으로 접촉하도록 설치된 광확산기구를 갖춘 광확산기.
  12. 제10항에 있어서, 상기 광확산기구는 본질상 백색불투명 광전도성 재료를 구성하고 있는 광확산기
  13. 제11항에 있어서, 상기 광확산기구는 본질상 백색불투명 광전도성 재료를 구성하고 있는 광확산기
  14. 제12항에 있어서, 상기 백색불투명 광전도성 재료는 광확산제를 함유한 아크릴수지 필름인 광확산기
  15. 제13항에 있어서, 상기 백색불투명 광전도성 재료는 광확산제를 함유한 아크릴 중합체 필름인 광확산기.
  16. 제10항에 있어서, 상기 광확산기구는 그 저면에 복수개의 작은 돌기를 갖춘 광확산기.
  17. 제11항에 있어서, 상기 광확산기구는 그 저면에 복수개의 작은 돌기를 갖춘 광확산기.
  18. 제9항에 있어서, 상기 광반사기구는 본질상 금속침전 필름으로 된 광확산기.
  19. 제9항에 있어서, 상기 광반사기구는 본질상 거울면을 갖는 폴리에스터 필름으로 된 광확산기.
  20. 제1항에 있어서, 상기인접한 판의 사이에 있는 재료의 층을 구성하고, 그재료의 층은 상기 판의 것보다 덜 산란되는 재료를 갖춘 광확산기
  21. 제4항에 있어서, 상기 판의 인접한 사이에 설치된 광반사기구를 갖춘 광확산기.
  22. 제1항에 있어서, 입사광을 받는 상기판의 하나의 1단부를 제외하고, 상기 판의 각각의 각 단부에 설치된 광반사기구를 갖춘 광확산기.
  23. 제1항에 있어서, 상기 광입사면에 근접하여서 설치된 접속렌즈체를 갖춘 광확산기.
  24. 제23항에 있어서, 상기 집속렌즈는 평, 볼록원주형 렌즈인 광확산기.
  25. 제1항에 있어서, 상기 복수개의 판의 광방사단부가 거칠은 표면인 광확산기.
  26. 제3항에 있어서, 상기 최초의 소정의 각도가 135°이하인 광확산기.
  27. 제4항에 있어서, 상기 최초의 소정의 각도가 45°이상인 광확산기.
  28. 제1항에 있어서, 적어도 하나의 다른 광전송기구를 갖춘 광확산기
  29. 제9항에 있어서, 상기 광반사기구는 부드러운 표면을 갖춘 광확산기.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019850002482A 1984-07-02 1985-04-13 광 확산기 KR910001084B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP59136691A JPS6115104A (ja) 1984-07-02 1984-07-02 光拡散器
JP59-136691 1984-07-02
JP136691 1984-07-02
JP59227537A JPS61105504A (ja) 1984-10-29 1984-10-29 光拡散器

Publications (2)

Publication Number Publication Date
KR860001315A true KR860001315A (ko) 1986-02-24
KR910001084B1 KR910001084B1 (ko) 1991-02-23

Family

ID=26470197

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019850002482A KR910001084B1 (ko) 1984-07-02 1985-04-13 광 확산기

Country Status (4)

Country Link
US (1) US4642736A (ko)
EP (1) EP0167721B1 (ko)
KR (1) KR910001084B1 (ko)
DE (1) DE3573649D1 (ko)

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DE3573649D1 (en) 1989-11-16
EP0167721A1 (en) 1986-01-15
KR910001084B1 (ko) 1991-02-23
US4642736A (en) 1987-02-10
EP0167721B1 (en) 1989-10-11

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