JP5955021B2 - 導光体ユニット及びイメージセンサ - Google Patents

導光体ユニット及びイメージセンサ Download PDF

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Publication number
JP5955021B2
JP5955021B2 JP2012035955A JP2012035955A JP5955021B2 JP 5955021 B2 JP5955021 B2 JP 5955021B2 JP 2012035955 A JP2012035955 A JP 2012035955A JP 2012035955 A JP2012035955 A JP 2012035955A JP 5955021 B2 JP5955021 B2 JP 5955021B2
Authority
JP
Japan
Prior art keywords
light guide
light
guide unit
guides
image sensor
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.)
Active
Application number
JP2012035955A
Other languages
English (en)
Japanese (ja)
Other versions
JP2013172366A (ja
JP2013172366A5 (https=
Inventor
委千弘 阿部
委千弘 阿部
康一郎 岡村
康一郎 岡村
陽平 野上
陽平 野上
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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
Priority to JP2012035955A priority Critical patent/JP5955021B2/ja
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to PCT/JP2013/053924 priority patent/WO2013125501A1/ja
Priority to CN201380010001.8A priority patent/CN104115477A/zh
Priority to EP13751379.2A priority patent/EP2819389A1/en
Priority to KR1020147021761A priority patent/KR20140111327A/ko
Priority to US14/370,135 priority patent/US20140374864A1/en
Publication of JP2013172366A publication Critical patent/JP2013172366A/ja
Publication of JP2013172366A5 publication Critical patent/JP2013172366A5/ja
Application granted granted Critical
Publication of JP5955021B2 publication Critical patent/JP5955021B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G02B6/0016—Grooves, prisms, gratings, scattering particles or rough surfaces
    • 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
    • H04N1/0249—Arrangements for mounting or supporting elements within a scanning 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
    • 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
    • H04N1/02885—Means for compensating spatially uneven illumination, e.g. an aperture arrangement
    • H04N1/0289—Light diffusing elements, e.g. plates or filters
    • 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
    • H04N1/03—Details of scanning heads ; Means for illuminating the original for picture information pick-up with photodetectors arranged in a substantially linear array
    • H04N1/031—Details of scanning heads ; Means for illuminating the original for picture information pick-up with photodetectors arranged in a substantially linear array the photodetectors having a one-to-one and optically positive correspondence with the scanned picture elements, e.g. linear contact sensors
    • H04N1/0318—Integral pick-up heads, i.e. self-contained heads whose basic elements are a light-source, a lens array and a photodetector array which are supported by a single-piece frame
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F39/00—Integrated devices, or assemblies of multiple devices, comprising at least one element covered by group H10F30/00, e.g. radiation detectors comprising photodiode arrays
    • H10F39/80—Constructional details of image sensors
    • H10F39/806—Optical elements or arrangements associated with the image sensors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/024—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted
    • H04N2201/02452—Arrangements for mounting or supporting elements within a scanning head
    • H04N2201/02454—Element mounted or supported
    • H04N2201/02462—Illuminating means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/024—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted
    • H04N2201/02452—Arrangements for mounting or supporting elements within a scanning head
    • H04N2201/02466—Mounting or supporting method
    • H04N2201/02472—Mounting or supporting method using clips
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/024—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted
    • H04N2201/028—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up
    • H04N2201/03—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted
    • H04N2201/031—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted deleted
    • H04N2201/03104—Integral pick-up heads, i.e. self-contained heads whose basic elements are a light source, a lens and a photodetector supported by a single-piece frame
    • H04N2201/03108—Components of integral heads
    • H04N2201/03112—Light source
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/024—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted
    • H04N2201/028—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up
    • H04N2201/03—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted
    • H04N2201/031—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted deleted
    • H04N2201/03104—Integral pick-up heads, i.e. self-contained heads whose basic elements are a light source, a lens and a photodetector supported by a single-piece frame
    • H04N2201/03108—Components of integral heads
    • H04N2201/03125—Light guide upstream of the scanned picture elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/024—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted
    • H04N2201/028—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up
    • H04N2201/03—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted
    • H04N2201/031—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted deleted
    • H04N2201/03104—Integral pick-up heads, i.e. self-contained heads whose basic elements are a light source, a lens and a photodetector supported by a single-piece frame
    • H04N2201/03108—Components of integral heads
    • H04N2201/03133—Window, i.e. a transparent member mounted in the frame
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/024—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted
    • H04N2201/028—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up
    • H04N2201/03—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted
    • H04N2201/031—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted deleted
    • H04N2201/03104—Integral pick-up heads, i.e. self-contained heads whose basic elements are a light source, a lens and a photodetector supported by a single-piece frame
    • H04N2201/03108—Components of integral heads
    • H04N2201/03141—Photodetector lens
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/024—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted
    • H04N2201/028—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up
    • H04N2201/03—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted
    • H04N2201/031—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted deleted
    • H04N2201/03104—Integral pick-up heads, i.e. self-contained heads whose basic elements are a light source, a lens and a photodetector supported by a single-piece frame
    • H04N2201/03108—Components of integral heads
    • H04N2201/03145—Photodetector

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Facsimile Heads (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Planar Illumination Modules (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
JP2012035955A 2012-02-22 2012-02-22 導光体ユニット及びイメージセンサ Active JP5955021B2 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2012035955A JP5955021B2 (ja) 2012-02-22 2012-02-22 導光体ユニット及びイメージセンサ
CN201380010001.8A CN104115477A (zh) 2012-02-22 2013-02-19 导光体单元及图像传感器
EP13751379.2A EP2819389A1 (en) 2012-02-22 2013-02-19 Light-guide unit and image sensor
KR1020147021761A KR20140111327A (ko) 2012-02-22 2013-02-19 도광체 유닛 및 이미지 센서
PCT/JP2013/053924 WO2013125501A1 (ja) 2012-02-22 2013-02-19 導光体ユニット及びイメージセンサ
US14/370,135 US20140374864A1 (en) 2012-02-22 2013-02-19 Light-guide unit and image sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2012035955A JP5955021B2 (ja) 2012-02-22 2012-02-22 導光体ユニット及びイメージセンサ

Publications (3)

Publication Number Publication Date
JP2013172366A JP2013172366A (ja) 2013-09-02
JP2013172366A5 JP2013172366A5 (https=) 2015-02-26
JP5955021B2 true JP5955021B2 (ja) 2016-07-20

Family

ID=49005686

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2012035955A Active JP5955021B2 (ja) 2012-02-22 2012-02-22 導光体ユニット及びイメージセンサ

Country Status (6)

Country Link
US (1) US20140374864A1 (https=)
EP (1) EP2819389A1 (https=)
JP (1) JP5955021B2 (https=)
KR (1) KR20140111327A (https=)
CN (1) CN104115477A (https=)
WO (1) WO2013125501A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103149627B (zh) * 2013-04-02 2016-05-25 深圳安嵘光电产品有限公司 一种带孔的导光板及其制作方法
US10527780B2 (en) * 2017-09-07 2020-01-07 Canon Components, Inc. Illumination apparatus, reading apparatus, and printing apparatus
DE102017219094A1 (de) * 2017-10-25 2019-04-25 Volkswagen Aktiengesellschaft Leuchtvorrichtung für ein Kraftfahrzeug

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5969343A (en) * 1995-08-24 1999-10-19 Matsushita Electric Industrial Co., Ltd. Linear illumination device
JP2001136343A (ja) * 1999-11-09 2001-05-18 Citizen Electronics Co Ltd 密着形イメージセンサ
US6476986B2 (en) * 1999-12-28 2002-11-05 Texas Instruments Incorporated Six-axis attachment apparatus and method for spatial light modulators
US7216990B2 (en) * 2003-12-18 2007-05-15 Texas Instruments Incorporated Integrated lamp and aperture alignment method and system
US7344290B2 (en) * 2005-09-20 2008-03-18 Ledtech Electronics Corp. Lamp module
CN101374188B (zh) * 2007-08-22 2011-04-20 威海华菱光电有限公司 图像传感器
JP2009117186A (ja) * 2007-11-07 2009-05-28 Rohm Co Ltd 導光体、およびこれを用いたイメージセンサモジュール
JP2009303080A (ja) * 2008-06-16 2009-12-24 Nippon Sheet Glass Co Ltd 棒状導光体および画像読取装置
JP2010147859A (ja) * 2008-12-19 2010-07-01 Panasonic Corp 線状照明装置及びそれを用いた密着型イメージセンサ及び画像読取システム
JP5251619B2 (ja) * 2009-03-09 2013-07-31 三菱電機株式会社 イメージセンサ
JP2010238492A (ja) * 2009-03-31 2010-10-21 Panasonic Corp 照明装置
JP2012015987A (ja) * 2010-06-02 2012-01-19 Rohm Co Ltd 線状光源装置および画像読取装置

Also Published As

Publication number Publication date
JP2013172366A (ja) 2013-09-02
KR20140111327A (ko) 2014-09-18
WO2013125501A1 (ja) 2013-08-29
EP2819389A1 (en) 2014-12-31
US20140374864A1 (en) 2014-12-25
CN104115477A (zh) 2014-10-22

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