KR950009321A - 면조명장치 - Google Patents

면조명장치 Download PDF

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Publication number
KR950009321A
KR950009321A KR1019940019079A KR19940019079A KR950009321A KR 950009321 A KR950009321 A KR 950009321A KR 1019940019079 A KR1019940019079 A KR 1019940019079A KR 19940019079 A KR19940019079 A KR 19940019079A KR 950009321 A KR950009321 A KR 950009321A
Authority
KR
South Korea
Prior art keywords
light
light source
illuminating device
diffuse reflection
reflection layer
Prior art date
Application number
KR1019940019079A
Other languages
English (en)
Inventor
다께시 고지마
Original Assignee
차다니 마사히로
차다니 산교오 가부시기가이샤
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 차다니 마사히로, 차다니 산교오 가부시기가이샤 filed Critical 차다니 마사히로
Publication of KR950009321A publication Critical patent/KR950009321A/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
    • 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
    • G02B6/0055—Reflecting element, sheet or layer
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • 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
    • G02B6/0031—Reflecting element, 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
    • G02B6/0033—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
    • 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
    • G02F1/1336—Illuminating devices
    • G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes

Landscapes

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

Abstract

광원휘도에 대한 장치휘도를 향상할 수 있으면서, 경량·박형화가 되고, 또 코스트 저하도 가능하게 한 액정 표시장치의 백라이트용 면조명장치로서, 냉음극관 램프등의 장척 램프로 이루어지고, 한쪽에 사광부(2)를 가진 광원(1)의 사광부 전방에 저면(6a)에 난반사층(4)을 가지고, 그 상부에 공기층(5)을 형성한 도광케이스(6)를 설치하고, 이 도광케이스(6)의 상면에 공기층(5)에서 난반사광이 되는 광확산판(7)을 설치한 것이다.

Description

면조명장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명 면 조명장치의 제1실시예를 나타낸 단면도,
제2도는 제1도에 있어서의 광 확산판을 생략한 평면도,
제3도는 광확산판의 일예를 나타낸 부분 확대 단면도,
제4도는 마찬가지로 그 도트패턴을 나타낸 부분확대 단면도,
제5도는 광확산판의 다른 실시예를 나타낸 부분확대 단면도,
제6도는 마찬가지로 그 도트패턴을 나타낸 부분확대 평면도.

Claims (5)

  1. 장척 램프로 이루어지고, 일측에 사광부를 가진 광원과, 이 사광부의 광사출 방향 전방에 위치하고 상면이 개방되어 있고, 저면에 난반사층을 가지고, 또 난반사광을 상면을 향하여 유도하는 공기층을 구비한 도광케이스와, 이 도관케이스의 상면에 설치되는 광학산판을 구비한 것을 특징으로 하는 면 조명장치.
  2. 제1항에 있어서, 상기 광원의 상부에 난반사층을 향하여 경사지고, 사광부로부터 사광되는 광을 상기 난반사층에 반사시켜 유도하는 반사 유도판을 구비한 것을 특징으로 하는 면 조명장치.
  3. 제1항 또는 제2항에 있어서, 상기 도광케이스의 저면을 광원으로부터 멀어짐에 따라 상향으로 경사시키고 있는 것을 특징으로 하는 면 조명장치.
  4. 제1항에 있어서, 상기 광학산판이 광원의 배설위치 상부에 뻗어 있고, 상기 광원의 상부에서 상기 광확산판의 연장부에 대향하는 부위에 반투명 판을 설치하고 있는 것을 특징으로 하는 면 조명장치.
  5. 제1항에 있어서, 상기 광학산판의 표면에 집광·확산렌즈 기능을 가지는 다수의 도트상 돌기를 규치적으로 배열하여 이루어진 것을 특징으로 하는 면 조명장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019940019079A 1993-09-24 1994-08-02 면조명장치 KR950009321A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP5238345A JPH0794008A (ja) 1993-09-24 1993-09-24 面照明装置
JP93-238345 1993-09-24

Publications (1)

Publication Number Publication Date
KR950009321A true KR950009321A (ko) 1995-04-21

Family

ID=17028823

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940019079A KR950009321A (ko) 1993-09-24 1994-08-02 면조명장치

Country Status (4)

Country Link
EP (1) EP0650010A1 (ko)
JP (1) JPH0794008A (ko)
KR (1) KR950009321A (ko)
TW (1) TW261684B (ko)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100524236B1 (ko) * 1999-06-14 2005-10-26 엔이씨 엘씨디 테크놀로지스, 엘티디. 휘도가 균일한 액정표시장치용 도광판 및 그의 제조방법
KR20220018720A (ko) 2020-08-07 2022-02-15 윤도식 빨대가 착탈가능한 마스크
KR20220036101A (ko) 2020-09-15 2022-03-22 윤도식 원터치로 개폐되는 커버 마스크
KR20220131686A (ko) 2021-03-22 2022-09-29 김형석 지퍼식 개폐구를 구비한 리필형 미세먼지 마스크
KR20230056952A (ko) 2021-10-21 2023-04-28 주식회사 네오팩토리 스티커 부착형 빨대 음용부를 갖는 마스크

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US6258443B1 (en) * 1994-09-28 2001-07-10 Reflexite Corporation Textured retroreflective prism structures and molds for forming same
DE19736879C2 (de) * 1997-08-26 1999-07-29 Jurca Optoelektronik Gmbh Hintergrundbeleuchtung
DE69930025T2 (de) 1998-04-17 2006-08-10 Nitto Denko Corp., Ibaraki Lichtleitende Platte, Oberfläche- Lichtquellenvorrichtung, und Reflexion-Type Flüssigkristall Anzeige
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JP4761692B2 (ja) * 2002-08-22 2011-08-31 株式会社キノエネインターナショナル 薄型電飾パネル装置
DE20321097U1 (de) * 2003-08-05 2005-12-08 Grimm, Manfred Pendelleuchte
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JP5336474B2 (ja) 2007-05-20 2013-11-06 スリーエム イノベイティブ プロパティズ カンパニー 半鏡面構成要素を備えたリサイクル型バックライト
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US8228463B2 (en) 2009-11-18 2012-07-24 3M Innovative Properties Company Passive daylight-coupled backlight with turning film having prisms with chaos for sunlight viewable displays
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KR101290631B1 (ko) * 2010-12-06 2013-07-30 엘지이노텍 주식회사 백라이트 유닛
US9423553B2 (en) 2011-09-20 2016-08-23 3M Innovative Properties Company Backlight device
KR20130078785A (ko) * 2011-12-30 2013-07-10 코오롱인더스트리 주식회사 도광판 및 그 제조방법
CN102661529B (zh) * 2012-04-05 2014-06-25 深圳市华星光电技术有限公司 背光模组及液晶显示器
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KR101433705B1 (ko) * 2012-09-26 2014-08-27 엘지디스플레이 주식회사 액정표시장치
EP2713200B1 (en) 2012-09-26 2015-10-28 LG Display Co., Ltd. Liquid crystal display device
DE102013101021B4 (de) 2013-02-01 2022-03-03 HELLA GmbH & Co. KGaA Vorrichtung zur Lichtstreuung für Fahrzeuge mit einem Gewebe in Form einer Gewebekugel oder eines Gewebeknäuels
DE102013103052A1 (de) 2013-03-26 2014-10-02 Hella Kgaa Hueck & Co. Leuchte
CN104763919B (zh) * 2014-01-08 2017-04-12 扬升照明股份有限公司 光源模块
KR102404722B1 (ko) * 2015-02-02 2022-06-02 삼성디스플레이 주식회사 액정 표시 장치
CN105785646A (zh) * 2016-05-06 2016-07-20 奥英光电（苏州）有限公司 一种背光模组
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100524236B1 (ko) * 1999-06-14 2005-10-26 엔이씨 엘씨디 테크놀로지스, 엘티디. 휘도가 균일한 액정표시장치용 도광판 및 그의 제조방법
KR20220018720A (ko) 2020-08-07 2022-02-15 윤도식 빨대가 착탈가능한 마스크
KR20220036101A (ko) 2020-09-15 2022-03-22 윤도식 원터치로 개폐되는 커버 마스크
KR20220131686A (ko) 2021-03-22 2022-09-29 김형석 지퍼식 개폐구를 구비한 리필형 미세먼지 마스크
KR20230056952A (ko) 2021-10-21 2023-04-28 주식회사 네오팩토리 스티커 부착형 빨대 음용부를 갖는 마스크

Also Published As

Publication number Publication date
JPH0794008A (ja) 1995-04-07
EP0650010A1 (en) 1995-04-26
TW261684B (ko) 1995-11-01

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