JP6634392B2 - 発光装置、校正係数の算出方法及び検査対象物の撮像画像の校正方法 - Google Patents
発光装置、校正係数の算出方法及び検査対象物の撮像画像の校正方法 Download PDFInfo
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- 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
- G02F1/1306—Details
- G02F1/1309—Repairing; Testing
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- G—PHYSICS
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- 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
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- H—ELECTRICITY
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- G01N21/84—Systems specially adapted for particular applications
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- G01N21/93—Detection standards; Calibrating baseline adjustment, drift correction
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Description
図1は、第1実施の形態に係る発光装置の概略を説明する斜視図である。図示のように、発光装置10は、アクリル製のケース20によってその外形が構成される。
次に、本発明の第2実施の形態について、図7〜図9を参照して説明する。なお、図7〜図9において、第1実施の形態と同様の構成には同一の符号を付してその詳細な説明を省略する。
次に、第1実施の形態及び第2実施の形態に係る発光装置10(60)を用いて、校正係数を作成する方法について説明する。
固体撮像素子の全素子数×焦点距離数×3(R、G、B)
となる。
4(byte)×29M×10×3=3480Mbyte(3.4Gbyte)
となる。
20、70 ケース
22、72 天面部
24、74 出射窓
24a 外縁
25 被覆部材
30 発光部
32 発光ダイオード(発光素子)
40 カメラ
41 固体撮像素子
42 レンズ
51 演算部
53 校正回路
71 底面部
d 距離
l1 半径
O、O´ 中心点
R 仮想円(円周)
Claims (11)
- 天面部を有するケースの内部で前記天面部から離間した仮想円の円周上に等間隔に配置された複数の発光素子と、
前記天面部に設けられ、前記仮想円に対して小さな外縁を有して前記複数の発光素子の光を透過させる乳白色に着色された出射窓と、を備え、
前記仮想円の半径と、前記仮想円と前記出射窓との間の離間距離との比が1:1〜1:1.5の範囲内で設定されたことを特徴とする発光装置。 - 前記出射窓に、該出射窓の外縁側を被覆して該出射窓の外縁側において前記発光素子の発光による光を遮光する被覆部材が設けられたことを特徴とする請求項1に記載の発光装置。
- 円周状の外縁を有する底面部、該底面部と対称をなして前記底面部と対向するとともに前記底面部からの離間距離が前記底面部の直径を基準直径とした場合における該基準直径に対してxに設定された天面部、該天面部と前記底面部との間で連続する円筒状に形成された周壁部、を有するケースと、
該ケースにおける前記底面部からの高さ距離が前記基準直径に対してyに設定されて前記周壁部の周方向の内周面に等間隔で配置された複数の発光素子と、
前記天面部に設けられ、直径が前記基準直径に対してzに設定されて前記発光素子の光を透過させる出射窓と、を備え、
前記ケースの内部が白色に着色されていることを特徴とする発光装置。 - 前記離間距離は、
前記基準直径に対する比が少なくとも60%以下に設定されたことを特徴とする請求項3に記載の発光装置。 - 前記高さ距離は、
前記基準直径に対する比が少なくとも45%以下に設定されたことを特徴とする請求項3または4に記載の発光装置。 - 前記出射窓の直径は、
前記基準直径に対する比が少なくとも30%以下に設定されたことを特徴とする請求項3〜5のいずれか1項に記載の発光装置。 - 前記複数の発光素子を構成する各発光素子は、
電気的に直列に接続されたことを特徴とする請求項1〜6のいずれか1項に記載の発光装置。 - 前記複数の発光素子を構成する各発光素子は、
赤、緑及び青の各色を発光する発光ダイオードであることを特徴とする請求項1〜7のいずれか1項に記載の発光装置。 - 請求項1〜8のいずれか1項に記載の発光装置の前記発光素子を発光させる発光工程と、
固体撮像素子を有するカメラのレンズを前記発光装置の前記出射窓に位置決めするとともに前記発光素子の発光によるサンプル光を透過させた前記出射窓をデフォーカスして前記カメラで撮像する撮像工程と、
該撮像工程で前記出射窓を撮像した際に前記固体撮像素子により出力される出力信号に基づいて、前記カメラの前記レンズを介在させた状態における前記固体撮像素子の感度を校正する校正係数を算出する校正係数算出工程と、
を備えることを特徴とする校正係数の算出方法。 - 前記撮像工程は、
前記カメラの複数の焦点距離において前記出射窓を撮像することを特徴とする請求項9に記載の校正係数の算出方法。 - 請求項9または10に記載の校正係数の算出方法で得られた前記校正係数に基づいて、前記カメラで検査対象物を撮像して前記固体撮像素子に結像した前記検査対象物の撮像画像の各画素を校正することを特徴とする、検査対象物の撮像画像の校正方法。
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PCT/JP2015/052840 WO2016125234A1 (ja) | 2015-02-02 | 2015-02-02 | 発光装置、校正係数の算出方法及び検査対象物の撮像画像の校正方法 |
JPPCT/JP2015/052840 | 2015-02-02 | ||
PCT/JP2016/052244 WO2016125643A1 (ja) | 2015-02-02 | 2016-01-27 | 発光装置、校正係数の算出方法及び検査対象物の撮像画像の校正方法 |
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JP6634392B2 true JP6634392B2 (ja) | 2020-01-22 |
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US (1) | US10145538B2 (ja) |
JP (1) | JP6634392B2 (ja) |
KR (1) | KR102536259B1 (ja) |
CN (1) | CN107211094B (ja) |
WO (2) | WO2016125234A1 (ja) |
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JP2002181659A (ja) * | 2000-12-14 | 2002-06-26 | Sharp Corp | 光源装置 |
JP2003050180A (ja) * | 2001-08-07 | 2003-02-21 | Canon Inc | 欠陥検査方法および欠陥検査装置 |
KR100685358B1 (ko) * | 2002-07-26 | 2007-02-22 | 올림푸스 가부시키가이샤 | 화상 처리 시스템 |
GB0416766D0 (en) * | 2004-07-28 | 2004-09-01 | Cnh Belgium Nv | Apparatus and method for analysing the composition of crop in a crop-conveying machine |
JP2007057421A (ja) * | 2005-08-25 | 2007-03-08 | Ikegami Tsushinki Co Ltd | リング照明装置 |
JP4791117B2 (ja) * | 2005-09-16 | 2011-10-12 | 株式会社日立国際電気 | 調光装置 |
JP2007158577A (ja) | 2005-12-02 | 2007-06-21 | Seiko Epson Corp | 撮像データ補正方法、および、撮像データ補正装置 |
JP4259555B2 (ja) * | 2006-09-12 | 2009-04-30 | ウシオ電機株式会社 | 光源装置および光源装置の製造方法 |
JP4930877B2 (ja) | 2006-09-26 | 2012-05-16 | パナソニック株式会社 | 発光装置及び照明器具 |
US7978970B2 (en) * | 2006-09-29 | 2011-07-12 | Microscan Systems, Inc. | Systems and/or devices for providing diffuse light |
JP5082671B2 (ja) * | 2007-08-16 | 2012-11-28 | 富士通株式会社 | はんだ修正装置およびはんだ修正方法 |
JP2009145180A (ja) * | 2007-12-13 | 2009-07-02 | Fujifilm Corp | 検査光照射装置及びこれを用いた固体撮像素子の検査装置 |
JP5470708B2 (ja) * | 2008-01-21 | 2014-04-16 | オムロン株式会社 | 照明装置およびこの装置を用いた欠陥検査装置 |
EP2415848A4 (en) * | 2009-03-31 | 2013-08-14 | Mitsubishi Chem Corp | PHOSPHORUS, PHOSPHORUS PROCESSING METHOD, PHOSPHORUS COMPOSITION, LIGHT-EMITTING DEVICE, LIGHTING DEVICE AND IMAGE DISPLAY DEVICE |
CN102449382B (zh) * | 2010-06-02 | 2015-06-03 | 松下电器产业株式会社 | 灯以及照明装置 |
JP5615604B2 (ja) * | 2010-06-30 | 2014-10-29 | 第一実業ビスウィル株式会社 | チップled検査装置 |
US20130128570A1 (en) * | 2011-11-17 | 2013-05-23 | Jin Bo Jiang | Secondary optical apparatus for a circular led array |
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CN107211094B (zh) | 2020-03-10 |
WO2016125643A1 (ja) | 2016-08-11 |
KR102536259B1 (ko) | 2023-05-25 |
WO2016125234A1 (ja) | 2016-08-11 |
CN107211094A (zh) | 2017-09-26 |
US20180010767A1 (en) | 2018-01-11 |
US10145538B2 (en) | 2018-12-04 |
KR20170109572A (ko) | 2017-09-29 |
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