JP6684751B2 - 面状照明装置 - Google Patents
面状照明装置 Download PDFInfo
- Publication number
- JP6684751B2 JP6684751B2 JP2017110227A JP2017110227A JP6684751B2 JP 6684751 B2 JP6684751 B2 JP 6684751B2 JP 2017110227 A JP2017110227 A JP 2017110227A JP 2017110227 A JP2017110227 A JP 2017110227A JP 6684751 B2 JP6684751 B2 JP 6684751B2
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- JP
- Japan
- Prior art keywords
- light
- guide plate
- adhesive member
- light guide
- support member
- 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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- 239000000853 adhesive Substances 0.000 claims description 118
- 230000001070 adhesive effect Effects 0.000 claims description 118
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- 239000000463 material Substances 0.000 claims description 17
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- 239000000758 substrate Substances 0.000 claims description 3
- 230000004048 modification Effects 0.000 description 16
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- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- -1 Polyethylene Terephthalate Polymers 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
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- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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- 229920005668 polycarbonate resin Polymers 0.000 description 1
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- 229920002050 silicone resin Polymers 0.000 description 1
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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
- G02B6/0066—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
- G02B6/0073—Light emitting diode [LED]
-
- 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
-
- 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
- F21V17/101—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 permanently, e.g. welding, gluing or riveting
-
- 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
- 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
- G02B6/0081—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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
Description
13 光源(LED)
13a 発光面
14、14C 導光板
14a 入光側面
14b 出射面
14e 凹凸部
51、51C 第2接着部材
52、52B 第2支持部材
53、53B 第1接着部材
54、54B 第1支持部材
54a、54a2 第1基材
54b、54b2 第3接着部材
Claims (6)
- 光取出面と、前記光取出面と交差する側面であって光が入射する入光側面と、前記光取出面とは反対側の面である反射面とを有する導光板と、
前記入光側面側に配置され、前記入光側面に入射される光を発する発光面を有する光源と、
床面を有し、前記導光板および前記光源を収納するフレームと、
前記導光板の前記反射面のうち、前記入光側面側の一部を前記床面側から支持する第1支持部材と、
前記導光板と前記第1支持部材とを接着する第1接着部材と、
前記光源を前記床面側から支持する第2支持部材と、
前記光源と前記第2支持部材とを接着する第2接着部材と、
前記導光板の前記反射面のうち、前記第1支持部材により支持される領域以外の領域に対向して配置される反射シートと、
を備える面状照明装置。 - 前記第1支持部材は、
第1基材と、
前記第1基材を前記床面側へ接着する第3接着部材とを備え、
前記第1接着部材は、前記第3接着部材よりも単位面積当たりの接着強度が大きく、
前記第3接着部材は、前記第1接着部材よりも接着面積が大きい
請求項1に記載の面状照明装置。 - 前記第1接着部材は、飛島状に設けられ、
前記第3接着部材は、連続体である
請求項2に記載の面状照明装置。 - 前記第1接着部材は、熱圧着シートである
請求項1、2または3に記載の面状照明装置。 - 前記第2支持部材は、前記光取出面の平面視において前記第1支持部材と重なる位置まで延伸し、前記第1支持部材を前記床面側から支持し、
前記第2接着部材は、階段状に形成され、前記光源と前記第2支持部材とを接着するとともに、前記第1支持部材と前記第2支持部材とを接着する
請求項1〜4のいずれか一つに記載の面状照明装置。 - 前記第1接着部材は、前記光源の出射方向を除いた領域に設けられ、
前記導光板は、
前記第1接着部材と接する底面に凹凸形状の凹凸部を有する
請求項1〜5のいずれか一つに記載の面状照明装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017110227A JP6684751B2 (ja) | 2017-06-02 | 2017-06-02 | 面状照明装置 |
US15/989,380 US10281643B2 (en) | 2017-06-02 | 2018-05-25 | Planar illumination apparatus |
CN201810539937.4A CN108980684A (zh) | 2017-06-02 | 2018-05-30 | 面状照明装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017110227A JP6684751B2 (ja) | 2017-06-02 | 2017-06-02 | 面状照明装置 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2018206592A JP2018206592A (ja) | 2018-12-27 |
JP2018206592A5 JP2018206592A5 (ja) | 2019-02-14 |
JP6684751B2 true JP6684751B2 (ja) | 2020-04-22 |
Family
ID=64458819
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017110227A Active JP6684751B2 (ja) | 2017-06-02 | 2017-06-02 | 面状照明装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US10281643B2 (ja) |
JP (1) | JP6684751B2 (ja) |
CN (1) | CN108980684A (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110045541B (zh) | 2019-03-28 | 2021-02-26 | 武汉华星光电技术有限公司 | 背光结构、液晶显示面板和电子设备 |
CN111239885A (zh) * | 2020-03-04 | 2020-06-05 | 友达光电(苏州)有限公司 | 背光模块以及显示装置 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1138897A (ja) * | 1997-07-14 | 1999-02-12 | Beam Denshi Kogyo Kk | 導光板リフレクターおよび導光板リフレクターの貼付方法 |
JP3985231B2 (ja) * | 2004-03-09 | 2007-10-03 | ミネベア株式会社 | 面状照明装置 |
JP4760571B2 (ja) * | 2006-06-28 | 2011-08-31 | エプソンイメージングデバイス株式会社 | 液晶装置、照明装置及び電子機器 |
KR101338996B1 (ko) * | 2008-12-26 | 2013-12-09 | 엘지디스플레이 주식회사 | 액정표시장치 |
JP5909920B2 (ja) * | 2011-08-17 | 2016-04-27 | セイコーエプソン株式会社 | 照明装置、液晶表示装置および電子機器 |
KR102064751B1 (ko) * | 2014-02-27 | 2020-01-10 | 엘지디스플레이 주식회사 | 베젤이 최소화된 액정표시소자 |
TWI507747B (zh) * | 2014-05-16 | 2015-11-11 | E Ink Holdings Inc | 前導光模組以及具有前導光模組的電泳顯示裝置 |
US9939672B2 (en) * | 2014-06-13 | 2018-04-10 | Apple Inc. | Electronic device with heat spreading film |
JP6266803B2 (ja) * | 2014-10-06 | 2018-01-24 | 堺ディスプレイプロダクト株式会社 | 導光ユニット、光源装置及び表示装置 |
JP2017059365A (ja) * | 2015-09-15 | 2017-03-23 | 大日本印刷株式会社 | 導光板、面光源装置、映像源ユニット、及び表示装置 |
JP6487885B2 (ja) * | 2016-09-08 | 2019-03-20 | ミネベアミツミ株式会社 | 面状照明装置 |
JP6542184B2 (ja) * | 2016-12-01 | 2019-07-10 | ミネベアミツミ株式会社 | 面状照明装置 |
US10627568B2 (en) * | 2016-12-13 | 2020-04-21 | Minebea Mitsumi Inc. | Planar illumination device and method of manufacturing planar illumination device |
-
2017
- 2017-06-02 JP JP2017110227A patent/JP6684751B2/ja active Active
-
2018
- 2018-05-25 US US15/989,380 patent/US10281643B2/en active Active
- 2018-05-30 CN CN201810539937.4A patent/CN108980684A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
JP2018206592A (ja) | 2018-12-27 |
US20180348422A1 (en) | 2018-12-06 |
CN108980684A (zh) | 2018-12-11 |
US10281643B2 (en) | 2019-05-07 |
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