JP4793288B2 - 導光体及び２分岐線状光源装置 - Google Patents

導光体及び２分岐線状光源装置 Download PDF

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Publication number
JP4793288B2
JP4793288B2 JP2007051039A JP2007051039A JP4793288B2 JP 4793288 B2 JP4793288 B2 JP 4793288B2 JP 2007051039 A JP2007051039 A JP 2007051039A JP 2007051039 A JP2007051039 A JP 2007051039A JP 4793288 B2 JP4793288 B2 JP 4793288B2
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JP
Japan
Prior art keywords
light
light guide
guide
emitted
light source
Prior art date
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Active
Application number
JP2007051039A
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English (en)
Japanese (ja)
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JP2008216409A (ja
Inventor
清幸 蕪木
博成 羽田
宏市 亀井
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ushio Denki KK
Original Assignee
Ushio Denki KK
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ushio Denki KK filed Critical Ushio Denki KK
Priority to JP2007051039A priority Critical patent/JP4793288B2/ja
Priority to TW097128810A priority patent/TW201005204A/zh
Priority to US12/230,491 priority patent/US7953312B2/en
Publication of JP2008216409A publication Critical patent/JP2008216409A/ja
Application granted granted Critical
Publication of JP4793288B2 publication Critical patent/JP4793288B2/ja
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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
    • G02B6/0005—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 of the fibre type
    • G02B6/001—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 of the fibre type the light being emitted along at least a portion of the lateral surface of the fibre
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/435—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material
    • B41J2/447—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using arrays of radiation sources
    • B41J2/45—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using arrays of radiation sources using light-emitting diode [LED] or laser arrays
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
    • H04N1/0282—Using a single or a few point light sources, e.g. a laser diode
    • H04N1/02835—Using a single or a few point light sources, e.g. a laser diode in combination with a light guide, e.g. optical fibre, glass plate
    • 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
    • G02B2006/0098—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings for scanning

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Signal Processing (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Facsimile Heads (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Planar Illumination Modules (AREA)
JP2007051039A 2007-03-01 2007-03-01 導光体及び２分岐線状光源装置 Active JP4793288B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2007051039A JP4793288B2 (ja) 2007-03-01 2007-03-01 導光体及び２分岐線状光源装置
TW097128810A TW201005204A (en) 2007-03-01 2008-07-30 Light guiding member and bifurcated linear light source apparatus
US12/230,491 US7953312B2 (en) 2007-03-01 2008-08-29 Light guiding member and bifurcated linear light source apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007051039A JP4793288B2 (ja) 2007-03-01 2007-03-01 導光体及び２分岐線状光源装置

Publications (2)

Publication Number Publication Date
JP2008216409A JP2008216409A (ja) 2008-09-18
JP4793288B2 true JP4793288B2 (ja) 2011-10-12

Family

ID=39836562

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007051039A Active JP4793288B2 (ja) 2007-03-01 2007-03-01 導光体及び２分岐線状光源装置

Country Status (3)

Country Link
US (1) US7953312B2 (enExample)
JP (1) JP4793288B2 (enExample)
TW (1) TW201005204A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9188734B2 (en) 2013-05-31 2015-11-17 Kyocera Document Solutions Inc. Light guide and illumination device

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5018657B2 (ja) * 2008-02-20 2012-09-05 三菱電機株式会社 照明装置および画像読取装置
JP5012790B2 (ja) * 2008-07-18 2012-08-29 三菱電機株式会社 照明装置及びそれを用いた画像読取装置
JP4883063B2 (ja) * 2008-09-21 2012-02-22 ブラザー工業株式会社 プリズム及び照明装置
JP5360646B2 (ja) * 2008-11-11 2013-12-04 コルコート株式会社 ライン照明装置
JP5353556B2 (ja) 2009-08-21 2013-11-27 ウシオ電機株式会社 光源装置
JP5573107B2 (ja) 2009-11-04 2014-08-20 ウシオ電機株式会社 照明装置
JP5302864B2 (ja) * 2009-11-27 2013-10-02 京セラドキュメントソリューションズ株式会社 画像読取装置及びこれを備えた画像形成装置
JP5504864B2 (ja) * 2009-12-10 2014-05-28 ウシオ電機株式会社 線状光源装置
JP5071495B2 (ja) * 2010-03-04 2012-11-14 ウシオ電機株式会社 光源装置
CN102271204A (zh) * 2010-06-04 2011-12-07 株式会社东芝 照明装置、图像读取装置、图像形成装置及图像读取方法
JP5685903B2 (ja) * 2010-11-26 2015-03-18 株式会社リコー 原稿照明装置、原稿読取装置、及び画像形成装置
JP5678638B2 (ja) * 2010-12-16 2015-03-04 コニカミノルタ株式会社 画像読取用照明装置及び画像読取装置
US8610969B2 (en) * 2010-12-28 2013-12-17 Lexmark International, Inc. Illumination assembly for a scanner with thermally conductive heat sink
US8485675B2 (en) * 2010-12-28 2013-07-16 Lexmark International, Inc. Illumination assembly for a scanner
JP5840367B2 (ja) * 2011-01-31 2016-01-06 ニスカ株式会社 照明装置及びこの照明装置を用いた画像読取装置
TWI427242B (zh) * 2011-03-10 2014-02-21 Lite On Electronics Guangzhou 線性光源、導光體及光學掃描模組
JP2014135117A (ja) * 2011-04-28 2014-07-24 Sharp Corp 光源装置、および光源装置を備えた照明機器
JP5963455B2 (ja) 2012-01-30 2016-08-03 三菱電機株式会社 照射装置及び画像読取装置
JP5712978B2 (ja) * 2012-07-26 2015-05-07 コニカミノルタ株式会社 導光体、照明装置及び画像読み取り装置
FR2996649A1 (fr) * 2012-10-04 2014-04-11 Valeo Illuminacion Module d'eclairage et/ou de signalisation pour vehicule comprenant un guide de lumiere avec une nervure et un support avec des moyens de fixation cooperant avec la nervure
CN108055419A (zh) 2012-12-20 2018-05-18 三菱电机株式会社 导光体及图像读取装置
JP5856994B2 (ja) 2013-03-28 2016-02-10 京セラドキュメントソリューションズ株式会社 照明装置、およびこれを備えた画像読取装置、画像形成装置
WO2014178129A1 (ja) 2013-04-30 2014-11-06 グローリー株式会社 画像取得装置及び画像取得方法
JP5860854B2 (ja) 2013-08-22 2016-02-16 京セラドキュメントソリューションズ株式会社 画像読取装置、およびこれを備えた画像形成装置
TWI500982B (zh) * 2013-10-09 2015-09-21 Avision Inc 雙坡面導光柱及使用其之光源模組及掃描器光學組件
JP6359898B2 (ja) * 2014-07-03 2018-07-18 シャープ株式会社 照明装置、画像読取装置及びそれを備えた画像形成装置
JP6398571B2 (ja) * 2014-10-08 2018-10-03 ウシオ電機株式会社 読取用線状光源装置
JP2019502235A (ja) * 2015-12-17 2019-01-24 スリーエム イノベイティブ プロパティズ カンパニー ライトガイド
JP2017118301A (ja) 2015-12-24 2017-06-29 キヤノン株式会社 導光体および照明装置並びに画像読取装置
JP6739138B2 (ja) * 2016-11-30 2020-08-12 ダイハツ工業株式会社 照明装置
CN113037968A (zh) * 2021-03-01 2021-06-25 维沃移动通信有限公司 电子设备
CN114811522B (zh) * 2022-05-23 2025-11-21 欧普照明股份有限公司 偏光透镜及照明灯具

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000059571A (ja) 1998-08-04 2000-02-25 Fujitsu Ltd 照明装置
JP2001159796A (ja) 1999-12-02 2001-06-12 Canon Inc 照明装置
JP3959678B2 (ja) * 2001-07-13 2007-08-15 ミネベア株式会社 表示装置用タッチパネル
JP2003141904A (ja) * 2001-11-02 2003-05-16 Bridgestone Corp 線状発光体
JP4047185B2 (ja) * 2003-02-06 2008-02-13 株式会社小糸製作所 車両用前照灯及び発光モジュール
US7347610B2 (en) * 2005-01-26 2008-03-25 Radiant Opto-Electronics Corporation Light guide plate having light diffusing entities on light entering side
JP2005229647A (ja) 2005-04-18 2005-08-25 Nippon Sheet Glass Co Ltd ライン照明装置及び原稿読取装置
US7254309B1 (en) * 2006-07-14 2007-08-07 Coretronic Corporation Side emitting LED and lens

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9188734B2 (en) 2013-05-31 2015-11-17 Kyocera Document Solutions Inc. Light guide and illumination device

Also Published As

Publication number Publication date
US7953312B2 (en) 2011-05-31
TWI379964B (enExample) 2012-12-21
US20090003784A1 (en) 2009-01-01
JP2008216409A (ja) 2008-09-18
TW201005204A (en) 2010-02-01

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