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WO2008108268A1 - Optical member and imaging device having same - Google Patents

Optical member and imaging device having same Download PDF

Info

Publication number
WO2008108268A1
WO2008108268A1 PCT/JP2008/053512 JP2008053512W WO2008108268A1 WO 2008108268 A1 WO2008108268 A1 WO 2008108268A1 JP 2008053512 W JP2008053512 W JP 2008053512W WO 2008108268 A1 WO2008108268 A1 WO 2008108268A1
Authority
WO
WIPO (PCT)
Prior art keywords
lens
infrared wavelength
cut film
wavelength cut
prevented
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.)
Ceased
Application number
PCT/JP2008/053512
Other languages
French (fr)
Japanese (ja)
Inventor
Yasunori Kanazawa
Kohji Minami
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.)
Sharp Corp
Original Assignee
Sharp 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 claimed from JP2007242892A external-priority patent/JP2008250285A/en
Application filed by Sharp Corp filed Critical Sharp Corp
Publication of WO2008108268A1 publication Critical patent/WO2008108268A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
    • G02B13/008—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras designed for infrared light
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
    • G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
    • G02B13/002—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
    • G02B13/0055—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/208—Filters for use with infrared or ultraviolet radiation, e.g. for separating visible light from infrared and/or ultraviolet radiation
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)

Abstract

An infrared wavelength cut film (3) is formed on a light-transmitting substrate (1), and a lens (2) having a first flat surface (2a) on the infrared wavelength cut film (3) side is provided on the infrared wavelength cut film (3). The peripheral part of the lens (2) which is outside the lens effective radius (R) is fixed to the light-transmitting substrate (1). With this, an optical member in which penetration of the resin into the infrared wavelength cut film is prevented when the lens is formed, separation of the lens caused by the difference in linear expansion due to fixation of the lens made of resin to the infrared cut filter made of glass is prevented, dust originated from the infrared wavelength cut film is prevented from falling on the imaging element and an imaging device having the same are provided.
PCT/JP2008/053512 2007-03-06 2008-02-28 Optical member and imaging device having same Ceased WO2008108268A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007056267 2007-03-06
JP2007-056267 2007-03-06
JP2007242892A JP2008250285A (en) 2007-03-06 2007-09-19 Optical member and imaging device including the same
JP2007-242892 2007-09-19

Publications (1)

Publication Number Publication Date
WO2008108268A1 true WO2008108268A1 (en) 2008-09-12

Family

ID=39738151

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/053512 Ceased WO2008108268A1 (en) 2007-03-06 2008-02-28 Optical member and imaging device having same

Country Status (1)

Country Link
WO (1) WO2008108268A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019047237A (en) * 2017-08-31 2019-03-22 ソニーセミコンダクタソリューションズ株式会社 Imaging device, electronic apparatus, and method of manufacturing imaging device
EP3982410A4 (en) * 2019-06-06 2022-08-03 Sony Semiconductor Solutions Corporation Imaging device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004139035A (en) * 2002-09-25 2004-05-13 Seiko Epson Corp Lens with infrared cut filter, method of manufacturing the same, and small camera
JP2005064591A (en) * 2003-08-13 2005-03-10 Citizen Electronics Co Ltd Small imaging module
JP2006018253A (en) * 2004-06-04 2006-01-19 Sekinosu Kk Optical member and manufacturing method thereof
JP2006031029A (en) * 2004-07-21 2006-02-02 Seiteie Kagi Kofun Yugenkoshi Imaging lens assembly equipped with filter lens
JP2008092314A (en) * 2006-10-03 2008-04-17 Matsushita Electric Ind Co Ltd Imaging device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004139035A (en) * 2002-09-25 2004-05-13 Seiko Epson Corp Lens with infrared cut filter, method of manufacturing the same, and small camera
JP2005064591A (en) * 2003-08-13 2005-03-10 Citizen Electronics Co Ltd Small imaging module
JP2006018253A (en) * 2004-06-04 2006-01-19 Sekinosu Kk Optical member and manufacturing method thereof
JP2006031029A (en) * 2004-07-21 2006-02-02 Seiteie Kagi Kofun Yugenkoshi Imaging lens assembly equipped with filter lens
JP2008092314A (en) * 2006-10-03 2008-04-17 Matsushita Electric Ind Co Ltd Imaging device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019047237A (en) * 2017-08-31 2019-03-22 ソニーセミコンダクタソリューションズ株式会社 Imaging device, electronic apparatus, and method of manufacturing imaging device
JP7146376B2 (en) 2017-08-31 2022-10-04 ソニーセミコンダクタソリューションズ株式会社 Imaging device and electronic equipment
EP3982410A4 (en) * 2019-06-06 2022-08-03 Sony Semiconductor Solutions Corporation Imaging device
US12189085B2 (en) 2019-06-06 2025-01-07 Sony Semiconductor Solutions Corporation Imaging device

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