JP2006164534A - 照明装置 - Google Patents
照明装置 Download PDFInfo
- Publication number
- JP2006164534A JP2006164534A JP2004349505A JP2004349505A JP2006164534A JP 2006164534 A JP2006164534 A JP 2006164534A JP 2004349505 A JP2004349505 A JP 2004349505A JP 2004349505 A JP2004349505 A JP 2004349505A JP 2006164534 A JP2006164534 A JP 2006164534A
- Authority
- JP
- Japan
- Prior art keywords
- light
- guide plate
- leds
- light guide
- lighting device
- 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.)
- Granted
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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
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/002—Means for improving the coupling-in of light from the light source into 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, e.g. with collimating, focussing or diverging surfaces
- G02B6/0021—Means for improving the coupling-in of light from the light source into 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, e.g. with collimating, focussing or diverging surfaces for housing at least a part of the light source, e.g. by forming holes or recesses
-
- 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
- G02B6/0081—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)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
Abstract
【解決手段】 側面10aを有する導光板10と、側面10aに光を照射可能となるようにプリント基板13上に装着された複数のLED8とを備え、これらLED8からの入射光によって上記導光板10表面が略均等に明るくなるように構成された照明装置6であって、上記導光板10の側面10aとプリント基板13との間に設けられ、各LED8及びこれらの光路をまとめて取り囲むホルダ9と、各LED8同士の隙間を埋めるように上記プリント基板13上に配設された埋設片11とを備え、この埋設片11は、上記各LED8の照射光のうち、少なくとも上記導光板10又はスペーサ9からの反射光の一部を反射する。
【選択図】 図1
Description
8 LED
9、16 ホルダ
9a 収容孔
10 導光板
10a 側面(入光面)
11 埋設片
13 プリント基板
15 埋設プレート
17 ホルダ本体
19 蓋体
20 スペーサ部
Claims (4)
- 入光面を有する導光板と、上記入光面に光を照射可能となるように基板上に装着された複数の光源とを備え、これら光源からの入射光によって上記導光板表面が略均等に明るくなるように構成された照明装置であって、
上記導光板の入光面と基板との間に設けられ、上記各光源及びこれらの光路をまとめて取り囲む案内部材と、
上記各光源同士の隙間を埋めるように上記基板上に配設されたスペーサ部材とを備え、
このスペーサ部材は、上記各光源の照射光のうち、少なくとも上記導光板又は案内部材からの反射光の一部を反射するように構成されていることを特徴とする照明装置。 - 上記スペーサ部材は、上記案内部材の内側面と各光源の側面との隙間にも配設されていることを特徴とする請求項1に記載の照明装置。
- 上記スペーサ部材は、各光源の配光領域に不干渉となる形状とされていることを特徴とする請求項1又は2に記載の照明装置。
- 上記案内部材は、上記基板上に上記導光板を保持するようになっており、この案内部材に対して上記スペーサ部材が一体に形成されていることを特徴とする請求項1〜3の何れか一項に記載の照明装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004349505A JP4438616B2 (ja) | 2004-12-02 | 2004-12-02 | 照明装置 |
US11/290,554 US20060120106A1 (en) | 2004-12-02 | 2005-12-01 | Illumination apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004349505A JP4438616B2 (ja) | 2004-12-02 | 2004-12-02 | 照明装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006164534A true JP2006164534A (ja) | 2006-06-22 |
JP4438616B2 JP4438616B2 (ja) | 2010-03-24 |
Family
ID=36573964
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004349505A Expired - Fee Related JP4438616B2 (ja) | 2004-12-02 | 2004-12-02 | 照明装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US20060120106A1 (ja) |
JP (1) | JP4438616B2 (ja) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8714781B2 (en) * | 2007-10-09 | 2014-05-06 | Flex Lighting Ii, Llc | Light coupling into illuminated films |
US8434909B2 (en) * | 2007-10-09 | 2013-05-07 | Flex Lighting Ii, Llc | Light emitting display with light mixing within a film |
US8905610B2 (en) | 2009-01-26 | 2014-12-09 | Flex Lighting Ii, Llc | Light emitting device comprising a lightguide film |
BRPI1007188A2 (pt) * | 2009-01-26 | 2016-02-23 | Flex Lighting Llc | dispositivo de filme de iluminação |
US8917962B1 (en) | 2009-06-24 | 2014-12-23 | Flex Lighting Ii, Llc | Method of manufacturing a light input coupler and lightguide |
US9028123B2 (en) | 2010-04-16 | 2015-05-12 | Flex Lighting Ii, Llc | Display illumination device with a film-based lightguide having stacked incident surfaces |
US9110200B2 (en) | 2010-04-16 | 2015-08-18 | Flex Lighting Ii, Llc | Illumination device comprising a film-based lightguide |
US9103956B2 (en) | 2010-07-28 | 2015-08-11 | Flex Lighting Ii, Llc | Light emitting device with optical redundancy |
CA2829388C (en) | 2011-03-09 | 2018-09-25 | Flex Lighting Ii, Llc | Light emitting device with adjustable light output profile |
US9690032B1 (en) | 2013-03-12 | 2017-06-27 | Flex Lighting Ii Llc | Lightguide including a film with one or more bends |
US9566751B1 (en) | 2013-03-12 | 2017-02-14 | Flex Lighting Ii, Llc | Methods of forming film-based lightguides |
US11009646B2 (en) | 2013-03-12 | 2021-05-18 | Azumo, Inc. | Film-based lightguide with interior light directing edges in a light mixing region |
CN113678035A (zh) | 2019-01-03 | 2021-11-19 | 阿祖莫公司 | 包括产生多个照明峰值的光导和光转向膜的反射型显示器 |
WO2021022307A1 (en) | 2019-08-01 | 2021-02-04 | Flex Lighting Ii, Llc | Lightguide with a light input edge between lateral edges of a folded strip |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4733335A (en) * | 1984-12-28 | 1988-03-22 | Koito Manufacturing Co., Ltd. | Vehicular lamp |
JP3187280B2 (ja) * | 1995-05-23 | 2001-07-11 | シャープ株式会社 | 面照明装置 |
JP4489423B2 (ja) * | 2003-12-26 | 2010-06-23 | シャープ株式会社 | バックライト及び液晶表示装置 |
US7293906B2 (en) * | 2005-05-23 | 2007-11-13 | Avago Technologies Ecbu Ip (Singapore) Pte Ltd | Light source adapted for LCD back-lit displays |
-
2004
- 2004-12-02 JP JP2004349505A patent/JP4438616B2/ja not_active Expired - Fee Related
-
2005
- 2005-12-01 US US11/290,554 patent/US20060120106A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
JP4438616B2 (ja) | 2010-03-24 |
US20060120106A1 (en) | 2006-06-08 |
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