JP4636914B2 - 発光装置 - Google Patents
発光装置 Download PDFInfo
- Publication number
- JP4636914B2 JP4636914B2 JP2005075819A JP2005075819A JP4636914B2 JP 4636914 B2 JP4636914 B2 JP 4636914B2 JP 2005075819 A JP2005075819 A JP 2005075819A JP 2005075819 A JP2005075819 A JP 2005075819A JP 4636914 B2 JP4636914 B2 JP 4636914B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- incident
- ring
- total reflection
- optical 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.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B15/00—Special procedures for taking photographs; Apparatus therefor
- G03B15/02—Illuminating scene
- G03B15/03—Combinations of cameras with lighting apparatus; Flash units
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B17/00—Systems with reflecting surfaces, with or without refracting elements
- G02B17/08—Catadioptric systems
- G02B17/0856—Catadioptric systems comprising a refractive element with a reflective surface, the reflection taking place inside the element, e.g. Mangin mirrors
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B17/00—Systems with reflecting surfaces, with or without refracting elements
- G02B17/08—Catadioptric systems
- G02B17/0856—Catadioptric systems comprising a refractive element with a reflective surface, the reflection taking place inside the element, e.g. Mangin mirrors
- G02B17/086—Catadioptric systems comprising a refractive element with a reflective surface, the reflection taking place inside the element, e.g. Mangin mirrors wherein the system is made of a single block of optical material, e.g. solid catadioptric systems
-
- 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
- G02B6/0018—Redirecting means on the surface of 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
- G02B6/0013—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
-
- 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
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
- G02B6/003—Lens or lenticular 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
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of 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
- G02B6/0066—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
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B2215/00—Special procedures for taking photographs; Apparatus therefor
- G03B2215/05—Combinations of cameras with electronic flash units
- G03B2215/0514—Separate unit
- G03B2215/0517—Housing
- G03B2215/0539—Ringflash
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Stroboscope Apparatuses (AREA)
Description
下限値10mmは、半径rがこれ以下になると、効率良い導光を行うことができないことに基づいて設定された値である。また、上限値100mmは、半径rがこれを超えると、カメラ付き携帯電話や小型の撮影装置にとって不釣合いな照明光学系となることに基づいて設定された値である。
2、13 マクロ撮影用リングライト
3、14 レンズ鏡筒
4a、4b、16a〜16c、26a〜26d、27a〜27c 発光部
5、10、11、17、21、22 光学部材
8 LED、
9 集光レンズ
12 電子カメラ
18 反射部材
Claims (7)
- 第1の光源から入射した光を反射する第1の反射面と、第2の光源から入射した光を反射する第2の反射面と、第3の光源から入射した光を反射する第3の反射面と、該第1、第2及び第3の反射面からの光を射出する射出部と、を有する光学部材を備え、
該光学部材は、前記第2の反射面で反射した光を、前記第1の反射面を透過させて前記射出部に導き、前記第3の反射面で反射した光を前記第2の反射面を介さずに前記第1の反射面を透過させて前記射出部に導くことを特徴とする発光装置。 - 前記第2の反射面は、前記第1の反射面と前記第3の反射面との間に設けられることを特徴とする請求項1に記載の発光装置。
- すべての前記反射面に、同一方向から前記光源からの光が入射することを特徴とする請求項1または2に記載の発光装置。
- 前記第1の反射面以外の前記反射面で反射した光を反射して該第1の反射面に向かわせる反射部材を有することを特徴とする請求項1から3のいずれか1つに記載の発光装置。
- 前記射出部は、前記第1の反射面からの光を反射して射出面に導く複数の反射面を有することを特徴とする請求項1から4のいずれか1つに記載の発光装置。
- 前記射出面がリング状に形成されていることを特徴とする請求項1から5のいずれか1つに記載の発光装置。
- 請求項1から6のいずれか1つに記載の発光装置の装着が可能又は該発光装置を備えたことを特徴とする機器。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005075819A JP4636914B2 (ja) | 2005-03-16 | 2005-03-16 | 発光装置 |
US11/374,536 US7224501B2 (en) | 2005-03-16 | 2006-03-13 | Light-emitting device and apparatus having the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005075819A JP4636914B2 (ja) | 2005-03-16 | 2005-03-16 | 発光装置 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2006259159A JP2006259159A (ja) | 2006-09-28 |
JP2006259159A5 JP2006259159A5 (ja) | 2008-03-27 |
JP4636914B2 true JP4636914B2 (ja) | 2011-02-23 |
Family
ID=37010027
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005075819A Expired - Fee Related JP4636914B2 (ja) | 2005-03-16 | 2005-03-16 | 発光装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7224501B2 (ja) |
JP (1) | JP4636914B2 (ja) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005258011A (ja) * | 2004-03-11 | 2005-09-22 | Canon Inc | 照明装置および撮影装置 |
US7822335B1 (en) * | 2006-09-21 | 2010-10-26 | Microscan Systems, Inc. | Lens protector |
JP4717835B2 (ja) * | 2007-01-11 | 2011-07-06 | キヤノン株式会社 | 照明装置及び撮像装置 |
KR100782565B1 (ko) * | 2007-01-11 | 2007-12-07 | 알티전자 주식회사 | 광도파관을 적용한 휴대 단말기용 플래시 모듈 |
CN101373223B (zh) * | 2007-08-20 | 2012-09-26 | 香港应用科技研究院有限公司 | 光学元件及包含其之背光模块 |
ITBO20070853A1 (it) * | 2007-12-28 | 2009-06-29 | Scriba Nanotecnologie S R L | Dispositivo per l'acquisizione di simboli, quali codici a barre e simili, per apparecchi foto-video digitali e simili. |
US7712907B2 (en) * | 2008-03-19 | 2010-05-11 | Zyka Dalibor | Ring flash adapter |
IT1399180B1 (it) * | 2009-06-12 | 2013-04-11 | Sharp Kk | Simulatore solare |
US8768159B2 (en) | 2009-07-10 | 2014-07-01 | Microscan Systems, Inc. | Combination dark field and bright field illuminator |
US8107808B2 (en) | 2009-07-10 | 2012-01-31 | Microscan Systems, Inc. | Combination dark field and bright field illuminator |
EP2561394A1 (en) * | 2010-04-20 | 2013-02-27 | Aselsan Elektronik Sanayi ve Ticaret Anonim Sirketi | A night vision device |
JP5567924B2 (ja) * | 2010-07-27 | 2014-08-06 | オリンパス株式会社 | プリズム光学系、プリズム光学系を用いた画像表示装置及びプリズム光学系を用いた撮像装置 |
WO2013140337A1 (en) * | 2012-03-22 | 2013-09-26 | Koninklijke Philips N.V. | Light mixing along annular pathway |
FR3008770B1 (fr) * | 2013-07-22 | 2018-03-02 | Renault S.A.S | Systeme d'eclairage modulaire, notamment pour un organe d'eclairage de vehicule automobile |
TWI507746B (zh) * | 2014-02-07 | 2015-11-11 | E Ink Holdings Inc | 導光模組 |
JP6305090B2 (ja) * | 2014-02-10 | 2018-04-04 | キヤノン株式会社 | 照明装置 |
FR3024528B1 (fr) * | 2014-07-31 | 2016-09-02 | Valeo Vision | Module lumineux, notamment d'eclairage et/ou de signalisation pour vehicule automobile |
JP6528396B2 (ja) * | 2014-12-10 | 2019-06-12 | 富士ゼロックス株式会社 | 撮影用ユニットおよび撮影システム |
CN106439735A (zh) | 2015-08-07 | 2017-02-22 | 法雷奥照明湖北技术中心有限公司 | 导光单元、光导装置以及照明和/或信号指示设备 |
US9989833B2 (en) * | 2016-02-24 | 2018-06-05 | Olympus Corporation | Illumination apparatus and image pickup system including the same |
TWI760955B (zh) * | 2016-04-26 | 2022-04-11 | 荷蘭商露明控股公司 | 環繞攝影機透鏡之發光二極體閃光環及提供照明之方法 |
US10288983B2 (en) * | 2016-04-26 | 2019-05-14 | Lumileds Llc | LED flash ring surrounding camera lens |
US20190170734A1 (en) * | 2017-10-26 | 2019-06-06 | Essenlix Corporation | Compact Illuminator, Imaging and Systems and the Use of the Same |
CN111788520B (zh) * | 2018-02-20 | 2022-03-29 | 富士通先端科技株式会社 | 用于成像装置的照明光学系统 |
CN109407445B (zh) * | 2018-12-05 | 2021-02-09 | 肯维捷斯(武汉)科技有限公司 | 一种便携微观成像装置 |
CN109519858A (zh) * | 2019-01-08 | 2019-03-26 | 华域视觉科技(上海)有限公司 | 车灯三光色多功能信号灯组合式光学系统 |
CN112443814B (zh) * | 2019-08-28 | 2024-08-30 | 法雷奥照明湖北技术中心有限公司 | 光导组件、车灯和车辆 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0894844A (ja) * | 1994-09-26 | 1996-04-12 | Fujitsu Ltd | 導光板並びにこれを用いた面光源及び非発光型表示装置 |
JPH11231320A (ja) * | 1998-02-12 | 1999-08-27 | Enplas Corp | サイドライト型面光源装置及び液晶表示装置 |
JP2000231814A (ja) * | 1999-02-09 | 2000-08-22 | Minebea Co Ltd | 面状照明装置 |
JP2001052517A (ja) * | 1999-08-11 | 2001-02-23 | Minebea Co Ltd | 面状照明装置 |
JP2003086013A (ja) * | 2001-09-14 | 2003-03-20 | Minebea Co Ltd | 面状照明装置 |
JP2003100134A (ja) * | 2001-09-21 | 2003-04-04 | Minebea Co Ltd | 面状照明装置 |
JP2004103501A (ja) * | 2002-09-12 | 2004-04-02 | Matsushita Electric Ind Co Ltd | 線状光源とそれを利用したバックライト装置および液晶表示装置 |
Family Cites Families (9)
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US5268730A (en) * | 1990-03-19 | 1993-12-07 | Nikon Corporation | Automatic light modulating camera |
JP2000089318A (ja) | 1998-09-14 | 2000-03-31 | Sony Corp | カメラ用照明装置 |
JP2001255574A (ja) | 2000-03-09 | 2001-09-21 | Olympus Optical Co Ltd | ストロボ装置及びストロボアダプタ |
DE10119010C2 (de) * | 2001-04-18 | 2003-05-28 | Visteon Global Tech Inc | Beleuchtungsanordnung für das Zündschloss eines Kraftfahrzeugs |
KR100438524B1 (ko) * | 2001-12-26 | 2004-07-03 | 엘지.필립스 엘시디 주식회사 | 백라이트 유닛 |
US20050024890A1 (en) * | 2003-06-19 | 2005-02-03 | Alps Electric Co., Ltd. | Light guide plate, surface light-emitting unit, and liquid crystal display device and method for manufacturing the same |
JP2005202060A (ja) * | 2004-01-14 | 2005-07-28 | Olympus Corp | 観察光学系 |
US7127163B2 (en) * | 2004-08-19 | 2006-10-24 | Eastman Kodak Company | Ring light guide |
US20060093344A1 (en) * | 2004-11-01 | 2006-05-04 | Eastman Kodak Company | Ring flash for camera |
-
2005
- 2005-03-16 JP JP2005075819A patent/JP4636914B2/ja not_active Expired - Fee Related
-
2006
- 2006-03-13 US US11/374,536 patent/US7224501B2/en not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0894844A (ja) * | 1994-09-26 | 1996-04-12 | Fujitsu Ltd | 導光板並びにこれを用いた面光源及び非発光型表示装置 |
JPH11231320A (ja) * | 1998-02-12 | 1999-08-27 | Enplas Corp | サイドライト型面光源装置及び液晶表示装置 |
JP2000231814A (ja) * | 1999-02-09 | 2000-08-22 | Minebea Co Ltd | 面状照明装置 |
JP2001052517A (ja) * | 1999-08-11 | 2001-02-23 | Minebea Co Ltd | 面状照明装置 |
JP2003086013A (ja) * | 2001-09-14 | 2003-03-20 | Minebea Co Ltd | 面状照明装置 |
JP2003100134A (ja) * | 2001-09-21 | 2003-04-04 | Minebea Co Ltd | 面状照明装置 |
JP2004103501A (ja) * | 2002-09-12 | 2004-04-02 | Matsushita Electric Ind Co Ltd | 線状光源とそれを利用したバックライト装置および液晶表示装置 |
Also Published As
Publication number | Publication date |
---|---|
US7224501B2 (en) | 2007-05-29 |
JP2006259159A (ja) | 2006-09-28 |
US20060209417A1 (en) | 2006-09-21 |
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