JP6710655B2 - 面状照明装置 - Google Patents
面状照明装置 Download PDFInfo
- Publication number
- JP6710655B2 JP6710655B2 JP2017094796A JP2017094796A JP6710655B2 JP 6710655 B2 JP6710655 B2 JP 6710655B2 JP 2017094796 A JP2017094796 A JP 2017094796A JP 2017094796 A JP2017094796 A JP 2017094796A JP 6710655 B2 JP6710655 B2 JP 6710655B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- end surface
- guide plate
- incident end
- stopper
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
-
- 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
-
- 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
Description
2 光源
2a 発光面
3 導光板
3a 入光端面
3b 出射面
3c 反対面
4 連結部材
5 光学シート
5a 拡散シート
5b プリズムシート
6 フレーム
6a 側壁部
6b 底壁部
7 FPC
8 固定部材
10,11,12 遮光部
20 ストッパ
20a,20b 対向端面
Claims (7)
- 光が入射する入光端面を有する導光板と、
前記光を発する発光面が前記入光端面と対向する光源と、
前記入光端面のうち、前記光源の発光面と対向しない領域と対向する対向端面を有し、前記導光板が前記光源に近づく方向へ移動することを規制するストッパと、
を備え、
前記ストッパは、前記対向端面が、前記発光面に沿う面よりも前記入光端面から離れて配置される、面状照明装置。 - 光が入射する入光端面を有する導光板と、
前記光を発する発光面が前記入光端面と対向する光源と、
前記入光端面のうち、前記光源の発光面と対向しない領域と対向する一対の対向端面を有し、前記導光板が前記光源に近づく方向へ移動することを規制するストッパと、
を備え、
前記導光板の前記入光端面と隣接する一対の端面は、上面視において丸みを帯びた曲面形状を有し、
前記一対の対向端面は、前記導光板の前記一対の端面と対向する部分をさらに有し、前記対向する部分は、前記一対の端面の曲面形状に合わせた、上面視において丸みを帯びた曲面形状を有する、面状照明装置。 - 前記ストッパは、
前記対向端面が、前記発光面に沿う面と前記入光端面との間に配置される、請求項2に記載の面状照明装置。 - 前記入光端面と対向する側壁部を有するフレームと、
前記光源の前記発光面とは反対側の面が固定される基板と、
前記基板における前記光源を固定する固定面とは反対側の面に設けられ、前記基板を前記側壁部に固定する固定部材と、
を備える請求項1乃至3のいずれか1つに記載の面状照明装置。 - 前記ストッパは、
前記対向端面と前記入光端面との間隔が前記固定部材の厚み以下である、請求項4に記載の面状照明装置。 - 前記ストッパは、
前記側壁部と一体で形成され、前記側壁部における長手方向の両端部に一対設けられる、請求項4または5に記載の面状照明装置。 - 前記ストッパは、
前記導光板よりも熱膨張率が低い、請求項1〜6のいずれか1つに記載の面状照明装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017094796A JP6710655B2 (ja) | 2017-05-11 | 2017-05-11 | 面状照明装置 |
CN201810310707.0A CN108873468A (zh) | 2017-05-11 | 2018-04-09 | 面状照明装置 |
US15/968,906 US10627569B2 (en) | 2017-05-11 | 2018-05-02 | Planar lighting device with stopper |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017094796A JP6710655B2 (ja) | 2017-05-11 | 2017-05-11 | 面状照明装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018190680A JP2018190680A (ja) | 2018-11-29 |
JP6710655B2 true JP6710655B2 (ja) | 2020-06-17 |
Family
ID=64097152
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017094796A Active JP6710655B2 (ja) | 2017-05-11 | 2017-05-11 | 面状照明装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US10627569B2 (ja) |
JP (1) | JP6710655B2 (ja) |
CN (1) | CN108873468A (ja) |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4311454B2 (ja) * | 2006-06-05 | 2009-08-12 | エプソンイメージングデバイス株式会社 | 照明装置、液晶装置及び電子機器 |
KR101515833B1 (ko) * | 2008-10-08 | 2015-05-04 | 삼성전자주식회사 | 광학 장치 |
US20120249886A1 (en) * | 2009-12-16 | 2012-10-04 | Sharp Kabushiki Kaisha | Lighting device, display device and television receiver |
TWI429992B (zh) * | 2010-02-26 | 2014-03-11 | Young Lighting Technology Corp | 背光模組 |
US8998476B2 (en) * | 2010-12-22 | 2015-04-07 | Sharp Kabushiki Kaisha | Lighting device, display device, and television receiving device |
US8979352B2 (en) * | 2011-01-07 | 2015-03-17 | Sharp Kabushiki Kaisha | Illumination device, display device, and television receiver device |
CN103018959B (zh) * | 2012-12-26 | 2015-12-02 | 深圳市华星光电技术有限公司 | 一种液晶模组 |
JP2014170067A (ja) | 2013-03-01 | 2014-09-18 | Funai Electric Co Ltd | 表示装置 |
JP2016085803A (ja) | 2014-10-23 | 2016-05-19 | ミネベア株式会社 | 面状照明装置、液晶表示装置及びその組立方法 |
-
2017
- 2017-05-11 JP JP2017094796A patent/JP6710655B2/ja active Active
-
2018
- 2018-04-09 CN CN201810310707.0A patent/CN108873468A/zh active Pending
- 2018-05-02 US US15/968,906 patent/US10627569B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
CN108873468A (zh) | 2018-11-23 |
JP2018190680A (ja) | 2018-11-29 |
US20180329136A1 (en) | 2018-11-15 |
US10627569B2 (en) | 2020-04-21 |
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