JP2010525541A - 導光板照明装置 - Google Patents
導光板照明装置 Download PDFInfo
- Publication number
- JP2010525541A JP2010525541A JP2010506039A JP2010506039A JP2010525541A JP 2010525541 A JP2010525541 A JP 2010525541A JP 2010506039 A JP2010506039 A JP 2010506039A JP 2010506039 A JP2010506039 A JP 2010506039A JP 2010525541 A JP2010525541 A JP 2010525541A
- Authority
- JP
- Japan
- Prior art keywords
- light
- guide plate
- light guide
- light source
- illumination device
- Prior art date
- Legal status (The legal status 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 status listed.)
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Classifications
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- 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
- F21V7/04—Optical design
- F21V7/05—Optical design plane
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- 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
- G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/002—Means for improving the coupling-in of light from the light source into 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, e.g. with collimating, focussing or diverging surfaces
- G02B6/0021—Means for improving the coupling-in of light from the light source into 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, e.g. with collimating, focussing or diverging surfaces for housing at least a part of the light source, e.g. by forming holes or recesses
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- 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
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- 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
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- 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
- G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
- G02B6/006—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to produce indicia, symbols, texts or the like
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- 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
-
- 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
- F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
- F21V2200/20—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of a generally planar shape
-
- 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
- G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
-
- 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
- G02B6/0068—Arrangements of plural sources, e.g. multi-colour 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
- G02B6/0075—Arrangements of multiple light guides
- G02B6/0078—Side-by-side arrangements, e.g. for large area displays
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- 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
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0085—Means for removing heat created by the light source from the package
Abstract
【解決手段】
本発明に係る導光板照明装置は、光が放射される前面を複数個の部分で区画できるように前面または後面に光透過防止溝が形成されている板形象の導光板と、前記導光板が光を反射することができるように光源部とから構成される。
【選択図】図2
Description
また、図6は本発明に係る導光板照明装置の一実施の形態を示した図で、図7の(a)乃至(d)は導光板照明装置の光透過防止溝に光源部が設置された様々な実施の形態を示した図であり、図8は各光透過防止溝にカバー部材が附着した状態を示した図で、図9は導光板にシート部材が附着した状態を示した図であり、図10は導光板の光源部設置用穿孔部を示した図である。
そして、さらに望ましくは前記固定板236を金属素材に成形することで、前記導光板210の光透過防止溝211に挿入された光源部233の保護カバー234aと固定板236が密着され、光源部233で発生し保護カバー234aを通じて放熱される熱が固定板236に伝達することで、放熱面積が増大されて冷却効率が上昇するようにすることが望ましい。
Claims (13)
- 光透過防止溝を形成して光が放射される前面を複数個の部分に区画化またはブロック化した導光板と、前記導光板が光を反射することができるように光源部とを含むことを特徴とする導光板照明装置。
- 前記光透過防止溝は前記導光板を穿孔した穿孔部であることを特徴とする、請求項1に記載の導光板照明装置。
- 前記導光板の後面に設けられた光源部の光を反射するための光反射部をさらに含むとともに、前記光反射部が光反射溝または印刷層のうちの何れかひとつであることを特徴とする、請求項1に記載の導光板照明装置。
- 前記光透過防止溝には光遮断物質が塗布または充填されていることを特徴とする、請求項1に記載の導光板照明装置。
- 前記光源部は前記光透過防止溝に挿入設置されることを特徴とする、請求項1に記載の導光板照明装置。
- 前記光源部は前記光透過防止溝を境目にして両側に分離した前記導光板の二つの部分のうちの何れか一側だけで光を発光するように設置されるか、もしくは両側で光を発光するように設置されることを特徴とする、請求項5に記載の導光板照明装置。
- 前記光源部の後面側には、光源部を外部環境から保護するとともに、光源部から発生する熱を放熱するための保護カバーを設けたことを特徴とする、請求項5に記載の導光板照明装置。
- 前記導光板の後面側に設けられ、前記光源部から発光された光を前面側に反射させる反射シートをさらに含むことを特徴とする、請求項1乃至請求項7のうちいずれか一つに記載の導光板照明装置。
- 前記反射シートの後面側に設けられ、前記反射シートを導光板に密着させるとともに、光源部の保護カバーと密着し、前記光源部の熱を放熱させる固定板をさらに含むことを特徴とする、請求項8に記載の導光板照明装置。
- 前記導光板の後面側にカラーシート、紙または布のうちいずれか一つをさらに附着したことを特徴とする、請求項1乃至請求項7のうちいずれか一つに記載の導光板照明装置。
- 前記導光板の側部には設置溝が形成され、前記設置溝には前記光源部が設置されることを特徴とする、請求項1または 請求項2に記載の導光板照明装置。
- 前記複数個に区画された導光板の各部分ごとに前記光源部が設置されることに加えて、前記光源部のうちいずれかひとつ以上が他の光源部と比べて色相、明度、照度及び彩度において異なる光を発光することを特徴とする、請求項1乃至請求項7のうちいずれか一つに記載の導光板照明装置。
- 前記導光板の光透過防止溝の底に反射シート、カラーシート、紙または布 のいずれか一つを取り付けることを特徴とする、請求項1乃至請求項7のうちいずれか一つに記載の導光板照明装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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KR20070040541 | 2007-04-25 | ||
KR1020070136386A KR100882801B1 (ko) | 2007-04-25 | 2007-12-24 | 도광판 조명장치 |
PCT/KR2008/002243 WO2008133421A1 (en) | 2007-04-25 | 2008-04-21 | Lighting device using light guide plate |
Publications (1)
Publication Number | Publication Date |
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JP2010525541A true JP2010525541A (ja) | 2010-07-22 |
Family
ID=40155337
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2010506039A Pending JP2010525541A (ja) | 2007-04-25 | 2008-04-21 | 導光板照明装置 |
Country Status (6)
Country | Link |
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US (1) | US8714803B2 (ja) |
EP (1) | EP2150748A4 (ja) |
JP (1) | JP2010525541A (ja) |
KR (1) | KR100882801B1 (ja) |
CN (1) | CN101675294A (ja) |
WO (1) | WO2008133421A1 (ja) |
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JP2011023331A (ja) * | 2009-07-16 | 2011-02-03 | Lg Display Co Ltd | バックライトユニット |
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JP2013106651A (ja) * | 2011-11-17 | 2013-06-06 | Sansei R&D:Kk | 遊技機 |
KR101393888B1 (ko) | 2012-11-16 | 2014-05-12 | 이기봉 | 면발광 표시장치 |
KR101568386B1 (ko) * | 2014-12-19 | 2015-11-12 | 장병춘 | 양면 발광형 엘이디 조명 장치 |
KR20190082012A (ko) * | 2017-12-29 | 2019-07-09 | 주식회사 알파벳컴퍼니 | 광확산시트를 구비한 면발광 엘이디 장치 |
KR102360619B1 (ko) * | 2017-12-29 | 2022-02-09 | 주식회사 알파벳컴퍼니 | 광확산시트를 구비한 면발광 엘이디 장치 |
JP7439058B2 (ja) | 2018-09-20 | 2024-02-27 | ネーデルラントセ オルハニサティエ フォール トゥーヘパスト-ナトゥールヴェッテンシャッペリーク オンデルズック テーエヌオー | セグメント分割型ライトガイドおよびその製造方法 |
Also Published As
Publication number | Publication date |
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EP2150748A1 (en) | 2010-02-10 |
US8714803B2 (en) | 2014-05-06 |
KR20080095738A (ko) | 2008-10-29 |
EP2150748A4 (en) | 2013-08-14 |
WO2008133421A1 (en) | 2008-11-06 |
CN101675294A (zh) | 2010-03-17 |
US20100085774A1 (en) | 2010-04-08 |
KR100882801B1 (ko) | 2009-02-09 |
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