JPWO2021199422A1 - - Google Patents

Info

Publication number
JPWO2021199422A1
JPWO2021199422A1 JP2022511479A JP2022511479A JPWO2021199422A1 JP WO2021199422 A1 JPWO2021199422 A1 JP WO2021199422A1 JP 2022511479 A JP2022511479 A JP 2022511479A JP 2022511479 A JP2022511479 A JP 2022511479A JP WO2021199422 A1 JPWO2021199422 A1 JP WO2021199422A1
Authority
JP
Japan
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
Application number
JP2022511479A
Other languages
Japanese (ja)
Other versions
JPWO2021199422A5 (https=
JP7341319B2 (ja
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 filed Critical
Publication of JPWO2021199422A1 publication Critical patent/JPWO2021199422A1/ja
Publication of JPWO2021199422A5 publication Critical patent/JPWO2021199422A5/ja
Application granted granted Critical
Publication of JP7341319B2 publication Critical patent/JP7341319B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0055—Reflecting element, sheet or layer
    • 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
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Facsimile Heads (AREA)
  • Planar Illumination Modules (AREA)
JP2022511479A 2020-04-03 2020-04-03 照明装置及びイメージスキャナ Active JP7341319B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/015302 WO2021199422A1 (ja) 2020-04-03 2020-04-03 照明装置及びイメージスキャナ

Publications (3)

Publication Number Publication Date
JPWO2021199422A1 true JPWO2021199422A1 (https=) 2021-10-07
JPWO2021199422A5 JPWO2021199422A5 (https=) 2022-06-21
JP7341319B2 JP7341319B2 (ja) 2023-09-08

Family

ID=77929956

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022511479A Active JP7341319B2 (ja) 2020-04-03 2020-04-03 照明装置及びイメージスキャナ

Country Status (5)

Country Link
US (1) US12248165B2 (https=)
JP (1) JP7341319B2 (https=)
CN (1) CN115336241B (https=)
DE (1) DE112020007020T5 (https=)
WO (1) WO2021199422A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7682760B2 (ja) * 2021-10-13 2025-05-26 株式会社ジャパンディスプレイ 照明装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1093765A (ja) * 1996-07-26 1998-04-10 Canon Inc 導光体及び照明装置及び画像読取装置及び画像読取システム
JPH11313195A (ja) * 1998-02-25 1999-11-09 Rohm Co Ltd 画像読み取り装置
JP2008270885A (ja) * 2007-04-16 2008-11-06 Matsushita Electric Ind Co Ltd 照明装置およびこれを用いた原稿読取り装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08101654A (ja) 1994-09-29 1996-04-16 Toshiba Lighting & Technol Corp 照明装置および誘導灯装置
US5839812A (en) * 1995-07-18 1998-11-24 Gl Displays, Inc. Flat parallel light source
US6496285B1 (en) 1998-02-25 2002-12-17 Rohm Co., Ltd. Image reading apparatus
JP4667037B2 (ja) * 2002-06-21 2011-04-06 ウェイヴィーン・インコーポレイテッド マルチランプ照明システム
TW201030284A (en) * 2008-10-30 2010-08-16 Zeon Corp Light source device and liquid cristal display device
US8488216B2 (en) * 2009-02-20 2013-07-16 Nisca Corporation LED light source and image reading apparatus
JP2010193360A (ja) 2009-02-20 2010-09-02 Nisca Corp Ｌｅｄ光源及び画像読取装置
JP5780087B2 (ja) * 2011-09-28 2015-09-16 日本精機株式会社 照明装置
JP5848419B2 (ja) * 2012-03-30 2016-01-27 キヤノン・コンポーネンツ株式会社 イメージセンサユニット、画像読取装置、画像形成装置
JP2015179571A (ja) 2014-03-18 2015-10-08 株式会社東芝 導光体および照明装置
JP2017228440A (ja) 2016-06-23 2017-12-28 スタンレー電気株式会社 車両用信号灯
CN109239965B (zh) * 2018-09-30 2021-11-23 京东方科技集团股份有限公司 一种显示器件及其控制方法
FR3088736B1 (fr) * 2018-11-15 2020-10-30 Thales Sa Dispositif d'eclairage compatible d'equipement(s) de vision nocturne a fenetre d'injection laterale de lumiere diurne et nocturne

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1093765A (ja) * 1996-07-26 1998-04-10 Canon Inc 導光体及び照明装置及び画像読取装置及び画像読取システム
JPH11313195A (ja) * 1998-02-25 1999-11-09 Rohm Co Ltd 画像読み取り装置
JP2008270885A (ja) * 2007-04-16 2008-11-06 Matsushita Electric Ind Co Ltd 照明装置およびこれを用いた原稿読取り装置

Also Published As

Publication number Publication date
US20230144125A1 (en) 2023-05-11
WO2021199422A1 (ja) 2021-10-07
CN115336241B (zh) 2024-04-09
DE112020007020T5 (de) 2023-04-13
JP7341319B2 (ja) 2023-09-08
CN115336241A (zh) 2022-11-11
US12248165B2 (en) 2025-03-11

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