KR20120082862A - 면상 조명 장치 - Google Patents

면상 조명 장치 Download PDF

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Publication number
KR20120082862A
KR20120082862A KR1020127003589A KR20127003589A KR20120082862A KR 20120082862 A KR20120082862 A KR 20120082862A KR 1020127003589 A KR1020127003589 A KR 1020127003589A KR 20127003589 A KR20127003589 A KR 20127003589A KR 20120082862 A KR20120082862 A KR 20120082862A
Authority
KR
South Korea
Prior art keywords
light
light guide
guide sheet
light source
led array
Prior art date
Application number
KR1020127003589A
Other languages
English (en)
Korean (ko)
Inventor
오사무 이와사키
Original Assignee
후지필름 가부시키가이샤
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 후지필름 가부시키가이샤 filed Critical 후지필름 가부시키가이샤
Publication of KR20120082862A publication Critical patent/KR20120082862A/ko

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
    • F21K9/61—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using light guides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
    • F21K9/68—Details of reflectors forming part of the light source
    • 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
    • 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
    • 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
    • G02B6/0086—Positioning aspects
    • G02B6/0091—Positioning aspects of the light source relative to the light guide
    • 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
    • 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
    • F21Y2105/00—Planar light sources
    • F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
    • 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
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Engineering & Computer Science (AREA)
  • Planar Illumination Modules (AREA)
KR1020127003589A 2009-08-28 2010-08-30 면상 조명 장치 KR20120082862A (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2009198174 2009-08-28
JPJP-P-2009-198174 2009-08-28
JP2010186952 2010-08-24
JPJP-P-2010-186952 2010-08-24

Publications (1)

Publication Number Publication Date
KR20120082862A true KR20120082862A (ko) 2012-07-24

Family

ID=43628106

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020127003589A KR20120082862A (ko) 2009-08-28 2010-08-30 면상 조명 장치

Country Status (4)

Country Link
JP (1) JP2012069245A (zh)
KR (1) KR20120082862A (zh)
CN (1) CN102483197A (zh)
WO (1) WO2011025017A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10042104B2 (en) 2015-01-23 2018-08-07 Samsung Display Co., Ltd. Curved display device

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5670794B2 (ja) * 2011-03-28 2015-02-18 富士フイルム株式会社 面状照明装置
JP2012204267A (ja) * 2011-03-28 2012-10-22 Fujifilm Corp 面状照明装置
JP2012238414A (ja) * 2011-05-10 2012-12-06 Fujifilm Corp 面状照明装置
JP5804887B2 (ja) * 2011-10-18 2015-11-04 興和株式会社 照明装置
WO2013161934A1 (ja) * 2012-04-27 2013-10-31 株式会社ニコン 光源ユニット及び電子機器
JP2014010920A (ja) * 2012-06-27 2014-01-20 Sharp Corp 光源モジュール、及び、液晶表示装置
JP6157827B2 (ja) * 2012-09-28 2017-07-05 恵和株式会社 導光シート、エッジライト型バックライトユニット及びラップトップコンピュータ
JP2014126686A (ja) * 2012-12-26 2014-07-07 Toshiba Corp 表示装置、表示ユニット
JP6296902B2 (ja) * 2014-05-29 2018-03-20 株式会社沖データ 半導体装置、半導体装置を用いた画像形成装置及び画像読み取り装置
JP6523360B2 (ja) * 2016-06-24 2019-05-29 ミネベアミツミ株式会社 面状照明装置
US10488582B2 (en) 2016-06-24 2019-11-26 Minebea Mitsumi Inc. Planar illumination apparatus
US11828973B2 (en) 2019-08-27 2023-11-28 Mitsubishi Electric Corporation Illumination device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001110220A (ja) * 1999-10-06 2001-04-20 Hayashi Telempu Co Ltd 面照明装置
JP2003315795A (ja) * 2002-04-26 2003-11-06 Jsr Corp 導光板の製造方法およびフロントライト用導光板
WO2005012787A1 (ja) * 2003-07-31 2005-02-10 Omron Corporation 面光源装置
JP4421947B2 (ja) * 2004-06-01 2010-02-24 Ｎｅｃ液晶テクノロジー株式会社 発光装置、及び液晶表示装置
JP2007220369A (ja) * 2006-02-14 2007-08-30 Seiko Instruments Inc 照明装置及びこれを備える表示装置
JP2008191429A (ja) * 2007-02-06 2008-08-21 Alps Electric Co Ltd 操作ユニット
JP4589368B2 (ja) * 2007-05-31 2010-12-01 株式会社 日立ディスプレイズ 液晶表示装置
JP5178460B2 (ja) * 2008-11-04 2013-04-10 富士フイルム株式会社 面状照明装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10042104B2 (en) 2015-01-23 2018-08-07 Samsung Display Co., Ltd. Curved display device

Also Published As

Publication number Publication date
CN102483197A (zh) 2012-05-30
WO2011025017A1 (ja) 2011-03-03
JP2012069245A (ja) 2012-04-05

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