JP6348794B2 - 面照明体 - Google Patents
面照明体 Download PDFInfo
- Publication number
- JP6348794B2 JP6348794B2 JP2014151676A JP2014151676A JP6348794B2 JP 6348794 B2 JP6348794 B2 JP 6348794B2 JP 2014151676 A JP2014151676 A JP 2014151676A JP 2014151676 A JP2014151676 A JP 2014151676A JP 6348794 B2 JP6348794 B2 JP 6348794B2
- Authority
- JP
- Japan
- Prior art keywords
- guide plate
- light guide
- frame member
- polymer
- light
- 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.)
- Expired - Fee Related
Links
Images
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
- G02B6/0081—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
- G02B6/0088—Positioning aspects of the light guide or other optical sheets in the package
-
- 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
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
-
- 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
- F21V15/00—Protecting lighting devices from damage
- F21V15/01—Housings, e.g. material or assembling of housing parts
-
- 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
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/12—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing
-
- 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
- G02B6/0081—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]
Description
11,31 LEDユニット
12,32 重合体
12a,32a 端縁
13,33 枠部材
14,34 締結部材
15,35 スペーサ
111,311 基板
112,312 LED(光源)
121,321 導光板
121a,321a 入射端面
121b,122a,123a,15a,321b,322a,323a,324a,35a 貫通孔
122,322 拡散シート
123,323 乳半板
131,331 対向面部
132,332 第一側面部
133,333 第二側面部
134,334 案内孔
141,341 貫通ネジ
142,342 ナット
324 反射シート
325 アルミニウム板(板部材)
325a 大径貫通孔(挿通孔)
Claims (6)
- 導光板の入射端面に光源からの光を入射させて面発光する面照明体であって、
前記導光板の表面側に拡散シート及び乳半板の少なくとも一方を重ね合わせた重合体と、
前記導光板の前記入射端面を含む前記重合体の端縁に沿って設けられる枠部材と、
前記枠部材の長手方向両端部にて前記重合体と前記枠部材とを厚さ方向に締結する締結部材と、を備え、
前記枠部材は、前記入射端面に対向するとともに光源が設けられる対向面部と、該対向面部に連続し前記重合体の一方の面に沿って延びる第一側面部と、前記対向面部に連続し前記重合体の他方の面に沿って延びる第二側面部と、を有して断面略U字状に形成され、
前記第一側面部及び前記第二側面部には、前記締結部材を挿通させるとともに前記枠部材の長手方向に沿って前記締結部材を案内可能な案内孔が形成されて、
前記枠部材の長手方向両端部それぞれの前記締結部材が、前記導光板の膨張・収縮に応じて該導光板の対角方向に斜めに移動し、
前記枠部材が、前記締結部材の斜めの移動における、前記入射端面に対する直交方向の成分の移動に応じて該直交方向に移動し、
前記枠部材の長手方向両端部それぞれについて、前記案内孔が、前記締結部材の斜めの移動における、前記入射端面に対する平行方向の成分の移動を案内することを特徴とする面照明体。 - 前記導光板が、温度変化及び湿度変化のうちの少なくとも一方に応じて膨張・収縮する矩形板であり、
前記締結部材が、前記導光板のコーナー近傍に配置されていることを特徴とする請求項1記載の面照明体。 - 前記締結部材が、前記第一側面部、前記第二側面部、及び前記重合体を貫通する貫通ネジと、該貫通ネジに螺合するナットと、を有して構成されると共に、前記貫通ネジが前記案内孔内を移動することを特徴とする請求項1又は2に記載の面照明体。
- 前記案内孔は、前記枠部材の長手方向に沿って形成された長孔で構成されていることを特徴とする請求項1から3のうち何れか一項に記載の面照明体。
- 前記面発光が両面発光であり、
前記導光板の一方及び他方の両面に、それぞれ少なくとも1枚の拡散シートや空間を間に挟んで乳半板が重ね合わされて前記重合体が構成されていることを特徴とする請求項1から4のうち何れか一項に記載の面照明体。 - 前記面発光が片面発光であり、
前記導光板の一方の面に拡散シート及び乳半板の少なくとも一方が重ねられ、前記導光板の他方の面に反射シートが重ねられて前記重合体が構成され、
前記反射シートにおける前記導光板とは反対側に、前記反射シートを前記導光板の前記他方の面に押し付ける板部材が重ねられ、該板部材には、前記締結部材を余裕をもって挿通させる挿通孔が形成されていることを特徴とする請求項1から4のうち何れか一項に記載の面照明体。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014151676A JP6348794B2 (ja) | 2014-07-25 | 2014-07-25 | 面照明体 |
KR1020177000842A KR20170065483A (ko) | 2014-07-25 | 2015-07-17 | 면조명체 |
CN201580040131.5A CN106662301A (zh) | 2014-07-25 | 2015-07-17 | 面照明体 |
EP15825135.5A EP3173678A4 (en) | 2014-07-25 | 2015-07-17 | Surface lighting body |
PCT/JP2015/070544 WO2016013512A1 (ja) | 2014-07-25 | 2015-07-17 | 面照明体 |
US15/328,613 US20170212299A1 (en) | 2014-07-25 | 2015-07-17 | Surface lighting assembly |
TW104123853A TWI582332B (zh) | 2014-07-25 | 2015-07-23 | 面照明體 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014151676A JP6348794B2 (ja) | 2014-07-25 | 2014-07-25 | 面照明体 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016029618A JP2016029618A (ja) | 2016-03-03 |
JP6348794B2 true JP6348794B2 (ja) | 2018-06-27 |
Family
ID=55163038
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014151676A Expired - Fee Related JP6348794B2 (ja) | 2014-07-25 | 2014-07-25 | 面照明体 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20170212299A1 (ja) |
EP (1) | EP3173678A4 (ja) |
JP (1) | JP6348794B2 (ja) |
KR (1) | KR20170065483A (ja) |
CN (1) | CN106662301A (ja) |
TW (1) | TWI582332B (ja) |
WO (1) | WO2016013512A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6600577B2 (ja) * | 2016-02-12 | 2019-10-30 | 株式会社nittoh | 照明装置 |
JP6692064B2 (ja) * | 2016-03-03 | 2020-05-13 | パナソニックIpマネジメント株式会社 | 照明器具 |
KR102380884B1 (ko) * | 2017-09-11 | 2022-03-31 | 삼성전자주식회사 | 디스플레이 모듈 및 이를 갖는 디스플레이 장치 |
CN109581741A (zh) * | 2018-12-13 | 2019-04-05 | 惠州市华星光电技术有限公司 | 一种背光结构及液晶显示屏 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3717876B2 (ja) * | 2002-08-28 | 2005-11-16 | シャープ株式会社 | 液晶表示装置 |
JP2007213833A (ja) * | 2006-02-07 | 2007-08-23 | Fujifilm Holdings Corp | 面状照明装置 |
JP5414224B2 (ja) * | 2007-10-19 | 2014-02-12 | 富士フイルム株式会社 | 面状照明装置 |
JP2009277641A (ja) * | 2007-12-27 | 2009-11-26 | Fujifilm Corp | 面状照明装置 |
JP2010080401A (ja) * | 2008-09-29 | 2010-04-08 | Fujifilm Corp | 面状照明装置 |
JP4990952B2 (ja) * | 2009-10-29 | 2012-08-01 | 明拓工業株式会社 | ディスプレー、サイン、面照明等の導光パネル |
JP2012109207A (ja) * | 2010-10-18 | 2012-06-07 | Meitaku Kogyo Kk | 面照明体 |
JP2013182731A (ja) * | 2012-02-29 | 2013-09-12 | Sharp Corp | 照明モジュール、及びこれを備えた照明装置 |
CN102736284B (zh) * | 2012-07-02 | 2015-05-20 | 深圳市华星光电技术有限公司 | 一种液晶显示装置用背板及液晶显示装置 |
CN102734713B (zh) * | 2012-07-13 | 2014-04-16 | 深圳市华星光电技术有限公司 | Led背光模组 |
WO2014034487A1 (ja) * | 2012-08-28 | 2014-03-06 | シャープ株式会社 | 照明装置、表示装置、及びテレビ受信装置 |
TWM470202U (zh) * | 2013-10-03 | 2014-01-11 | zhi-xian Wu | 面發光式led燈構造 |
CN203605040U (zh) * | 2013-11-19 | 2014-05-21 | 安徽科发信息科技有限公司 | 一种cob光源面板灯 |
-
2014
- 2014-07-25 JP JP2014151676A patent/JP6348794B2/ja not_active Expired - Fee Related
-
2015
- 2015-07-17 EP EP15825135.5A patent/EP3173678A4/en not_active Withdrawn
- 2015-07-17 KR KR1020177000842A patent/KR20170065483A/ko unknown
- 2015-07-17 CN CN201580040131.5A patent/CN106662301A/zh active Pending
- 2015-07-17 US US15/328,613 patent/US20170212299A1/en not_active Abandoned
- 2015-07-17 WO PCT/JP2015/070544 patent/WO2016013512A1/ja active Application Filing
- 2015-07-23 TW TW104123853A patent/TWI582332B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
WO2016013512A1 (ja) | 2016-01-28 |
EP3173678A4 (en) | 2017-10-18 |
US20170212299A1 (en) | 2017-07-27 |
TW201610341A (zh) | 2016-03-16 |
TWI582332B (zh) | 2017-05-11 |
JP2016029618A (ja) | 2016-03-03 |
CN106662301A (zh) | 2017-05-10 |
KR20170065483A (ko) | 2017-06-13 |
EP3173678A1 (en) | 2017-05-31 |
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