JP2019096394A - 面状照明装置 - Google Patents
面状照明装置 Download PDFInfo
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- JP2019096394A JP2019096394A JP2017222206A JP2017222206A JP2019096394A JP 2019096394 A JP2019096394 A JP 2019096394A JP 2017222206 A JP2017222206 A JP 2017222206A JP 2017222206 A JP2017222206 A JP 2017222206A JP 2019096394 A JP2019096394 A JP 2019096394A
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- Prior art keywords
- light
- attenuation
- guide plate
- intersecting
- distance
- 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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- 238000005286 illumination Methods 0.000 claims description 37
- 238000013016 damping Methods 0.000 claims description 15
- 230000004048 modification Effects 0.000 description 27
- 238000012986 modification Methods 0.000 description 27
- 239000000758 substrate Substances 0.000 description 14
- 230000003287 optical effect Effects 0.000 description 8
- 229920005989 resin Polymers 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- 238000001746 injection moulding Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000002238 attenuated effect Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Images
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
- 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
-
- 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
-
- 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
- G02B6/0061—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to provide homogeneous light output intensity
-
- 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
-
- 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
-
- 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
- G02B6/009—Positioning aspects of the light source in the package
-
- 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
- F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear 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]
-
- 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
- G02B6/0065—Manufacturing aspects; Material aspects
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Planar Illumination Modules (AREA)
Abstract
Description
間隔を徐々に広くする。
10 フレーム
11 導光板
11a 入光側面
11b 出射面
11c 反対面
11d,11e 交差側面
12 光学シート
13 光源
13a 発光面
14 基板
15,18 固定部材
16 連結部材
17 遮光部
19 付勢部材
100 ゲート部
Claims (9)
- 光が出射する主面である出射面と、前記出射面と交差する側面であって前記光が入射する入光側面とを有する導光板と、
前記入光側面から入射した前記光を減衰する減衰部と、
前記導光板の前記入光側面に対向して所定の間隔で並列され、前記減衰部に近い側の前記間隔が前記減衰部から遠い側の前記間隔よりも狭い複数の光源と
を備える面状照明装置。 - 前記導光板は、
前記出射面および前記入光側面それぞれと交差する2つの交差側面を有し、
前記減衰部は、
前記2つの交差側面のうち少なくとも一方の前記交差側面、または、当該交差側面の近傍に設けられる、
請求項1に記載の面状照明装置。 - 前記減衰部は、
前記2つの交差側面のうち、少なくとも一方の前記交差側面から突出する突出部である、
請求項2に記載の面状照明装置。 - 前記入光側面とは反対側の側面である反対面の一部から突出する突出部をさらに備え、
前記減衰部は、
前記突出部が設けられる一部の前記反対面以外の前記反対面である、
請求項2に記載の面状照明装置。 - 前記減衰部は、
前記2つの交差側面のうち、少なくとも一方の前記交差側面側の前記出射面に設けられる、
請求項2〜4のいずれか1つに記載の面状照明装置。 - 前記減衰部は、
前記2つの交差側面のうち、一方の前記交差側面または当該交差側面の近傍に設けられる第1減衰部と、他方の前記交差側面または当該交差側面の近傍に設けられ、前記第1減衰部とは前記光の減衰量が異なる第2減衰部とを有し、
前記複数の光源は、
前記第1減衰部に近い側の前記間隔と前記第2減衰部に近い側の前記間隔とが異なる、
請求項2に記載の面状照明装置。 - 前記複数の光源は、
前記光源の配列方向の中央付近において前記間隔が最も広く、
前記中央付近を境界にして、前記第1減衰部側への前記間隔の変化と前記第2減衰部側への前記間隔の変化とが非対称である、請求項6に記載の面状照明装置。 - 前記複数の光源は、
配列方向における両端に設けられる2つの前記光源からそれぞれ対応する前記交差側面までの距離が異なる場合、前記距離が遠い一方の前記光源側の前記間隔を他方の前記光源側の前記間隔よりも狭くする、
請求項2に記載の面状照明装置。 - 前記複数の光源は、
前記減衰部に近いほど前記間隔を狭くする、
請求項1〜8のいずれか1つに記載の面状照明装置。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017222206A JP6498258B1 (ja) | 2017-11-17 | 2017-11-17 | 面状照明装置 |
CN201880003476.7A CN110073136B (zh) | 2017-11-17 | 2018-10-04 | 面状照明装置 |
EP18879020.8A EP3693655A4 (en) | 2017-11-17 | 2018-10-04 | PLANAR LIGHTING DEVICE |
PCT/JP2018/037194 WO2019097883A1 (ja) | 2017-11-17 | 2018-10-04 | 面状照明装置 |
KR1020197006762A KR102085875B1 (ko) | 2017-11-17 | 2018-10-04 | 면 형상 조명 장치 |
US16/761,079 US11067228B2 (en) | 2017-11-17 | 2018-10-04 | Planar illumination device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017222206A JP6498258B1 (ja) | 2017-11-17 | 2017-11-17 | 面状照明装置 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019044422A Division JP2019096625A (ja) | 2019-03-12 | 2019-03-12 | 面状照明装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP6498258B1 JP6498258B1 (ja) | 2019-04-10 |
JP2019096394A true JP2019096394A (ja) | 2019-06-20 |
Family
ID=66092548
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017222206A Active JP6498258B1 (ja) | 2017-11-17 | 2017-11-17 | 面状照明装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US11067228B2 (ja) |
EP (1) | EP3693655A4 (ja) |
JP (1) | JP6498258B1 (ja) |
KR (1) | KR102085875B1 (ja) |
CN (1) | CN110073136B (ja) |
WO (1) | WO2019097883A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020262552A1 (ja) | 2019-06-25 | 2020-12-30 | シチズン電子株式会社 | 線状発光装置 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
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GB2296362B (en) * | 1994-12-23 | 1999-03-03 | Nokia Mobile Phones Ltd | Illuminated LCD apparatus and method of manufacture |
TWI255566B (en) * | 2005-03-04 | 2006-05-21 | Jemitek Electronics Corp | Led |
TWM294655U (en) * | 2006-01-27 | 2006-07-21 | Taiwan Nano Electro Opt Tech | Light-adjusting structure of light guide |
JP2008130336A (ja) * | 2006-11-20 | 2008-06-05 | Toshiba Lighting & Technology Corp | 面光源装置及びこれを備えた誘導灯 |
US8783931B2 (en) | 2007-12-03 | 2014-07-22 | Rambus Delaware Llc | Light injection system and method for uniform luminosity of waveguide-based displays |
JP5530620B2 (ja) * | 2008-10-30 | 2014-06-25 | 日立コンシューマエレクトロニクス株式会社 | 液晶表示装置 |
US8115890B2 (en) * | 2009-01-22 | 2012-02-14 | Hitachi Consumer Electronics Co., Ltd. | Backlight unit and a liquid crystal display apparatus applying the same therein |
JP2010243825A (ja) | 2009-04-07 | 2010-10-28 | Hitachi Displays Ltd | 液晶表示装置 |
TWI396905B (zh) * | 2009-09-15 | 2013-05-21 | Young Lighting Technology Corp | 背光模組 |
WO2011104972A1 (ja) | 2010-02-25 | 2011-09-01 | シャープ株式会社 | 光源装置、表示装置 |
US9121989B2 (en) * | 2010-08-20 | 2015-09-01 | Sharp Kabushiki Kaisha | Illuminating device, display device, and television receiving device |
US8780297B2 (en) * | 2010-08-20 | 2014-07-15 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Backlight module |
CN104246349A (zh) * | 2012-04-03 | 2014-12-24 | 夏普株式会社 | 照明装置、显示装置以及电视接收装置 |
JP5360448B1 (ja) | 2012-05-29 | 2013-12-04 | ミネベア株式会社 | 面状照明装置 |
JP2014120319A (ja) * | 2012-12-17 | 2014-06-30 | Konica Minolta Inc | 照明装置 |
JP6585892B2 (ja) * | 2014-10-24 | 2019-10-02 | 株式会社ジャパンディスプレイ | 液晶表示装置 |
-
2017
- 2017-11-17 JP JP2017222206A patent/JP6498258B1/ja active Active
-
2018
- 2018-10-04 KR KR1020197006762A patent/KR102085875B1/ko active IP Right Grant
- 2018-10-04 CN CN201880003476.7A patent/CN110073136B/zh active Active
- 2018-10-04 WO PCT/JP2018/037194 patent/WO2019097883A1/ja unknown
- 2018-10-04 EP EP18879020.8A patent/EP3693655A4/en active Pending
- 2018-10-04 US US16/761,079 patent/US11067228B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
KR102085875B1 (ko) | 2020-03-06 |
EP3693655A4 (en) | 2020-12-09 |
KR20190060761A (ko) | 2019-06-03 |
US11067228B2 (en) | 2021-07-20 |
WO2019097883A1 (ja) | 2019-05-23 |
CN110073136A (zh) | 2019-07-30 |
EP3693655A1 (en) | 2020-08-12 |
JP6498258B1 (ja) | 2019-04-10 |
CN110073136B (zh) | 2020-09-01 |
US20200378566A1 (en) | 2020-12-03 |
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