WO2007139675A3 - Image sensor with improved light sensitivity - Google Patents

Image sensor with improved light sensitivity Download PDF

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Publication number
WO2007139675A3
WO2007139675A3 PCT/US2007/011276 US2007011276W WO2007139675A3 WO 2007139675 A3 WO2007139675 A3 WO 2007139675A3 US 2007011276 W US2007011276 W US 2007011276W WO 2007139675 A3 WO2007139675 A3 WO 2007139675A3
Authority
WO
WIPO (PCT)
Prior art keywords
pixels
group
image sensor
light sensitivity
improved light
Prior art date
Application number
PCT/US2007/011276
Other languages
French (fr)
Other versions
WO2007139675A2 (en
Inventor
Takayuki Kijima
Hideo Nakamura
John Thomas Compton
John Franklin Hamilton Jr
Thomas Edward Deweese
Original Assignee
Eastman Kodak Co
Takayuki Kijima
Hideo Nakamura
John Thomas Compton
John Franklin Hamilton Jr
Thomas Edward Deweese
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 Eastman Kodak Co, Takayuki Kijima, Hideo Nakamura, John Thomas Compton, John Franklin Hamilton Jr, Thomas Edward Deweese filed Critical Eastman Kodak Co
Priority to KR1020087028539A priority Critical patent/KR101441696B1/en
Priority to CN2007800187552A priority patent/CN101449575B/en
Priority to JP2009512027A priority patent/JP5149279B2/en
Priority to EP07794716.6A priority patent/EP2022258B1/en
Publication of WO2007139675A2 publication Critical patent/WO2007139675A2/en
Publication of WO2007139675A3 publication Critical patent/WO2007139675A3/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/80—Camera processing pipelines; Components thereof
    • H04N23/84—Camera processing pipelines; Components thereof for processing colour signals
    • H04N23/843—Demosaicing, e.g. interpolating colour pixel values
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/10—Circuitry of solid-state image sensors [SSIS]; Control thereof for transforming different wavelengths into image signals
    • H04N25/11—Arrangement of colour filter arrays [CFA]; Filter mosaics
    • H04N25/13—Arrangement of colour filter arrays [CFA]; Filter mosaics characterised by the spectral characteristics of the filter elements
    • H04N25/134—Arrangement of colour filter arrays [CFA]; Filter mosaics characterised by the spectral characteristics of the filter elements based on three different wavelength filter elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/10—Circuitry of solid-state image sensors [SSIS]; Control thereof for transforming different wavelengths into image signals
    • H04N25/11—Arrangement of colour filter arrays [CFA]; Filter mosaics
    • H04N25/13—Arrangement of colour filter arrays [CFA]; Filter mosaics characterised by the spectral characteristics of the filter elements
    • H04N25/135—Arrangement of colour filter arrays [CFA]; Filter mosaics characterised by the spectral characteristics of the filter elements based on four or more different wavelength filter elements
    • H04N25/136—Arrangement of colour filter arrays [CFA]; Filter mosaics characterised by the spectral characteristics of the filter elements based on four or more different wavelength filter elements using complementary colours

Abstract

An image sensor for capturing a color image is disclosed having a two-dimensional array having first and second groups of pixels wherein pixels from the first group of pixels have narrower spectral photoresponses than pixels from the second group of pixels and wherein the first group of pixels has individual pixels that have spectral photoresponses that correspond to a set of at least two colors, with the placement of the first and second groups of pixels defining a pattern that has a minimal repeating unit including at least six pixels with at least some rows or columns of the minimal repeating unit composed only of pixels from the second group of pixels, and including ways to combine similarly positioned pixels from at least two adjacent minimal repeating units.
PCT/US2007/011276 2006-05-22 2007-05-10 Image sensor with improved light sensitivity WO2007139675A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1020087028539A KR101441696B1 (en) 2006-05-22 2007-05-10 Image sensor with improved light sensitivity
CN2007800187552A CN101449575B (en) 2006-05-22 2007-05-10 Image sensor with improved light sensitivity
JP2009512027A JP5149279B2 (en) 2006-05-22 2007-05-10 Image sensor with improved light sensitivity
EP07794716.6A EP2022258B1 (en) 2006-05-22 2007-05-10 Image sensor with improved light sensitivity

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/419,574 2006-05-22
US11/419,574 US7916362B2 (en) 2006-05-22 2006-05-22 Image sensor with improved light sensitivity

Publications (2)

Publication Number Publication Date
WO2007139675A2 WO2007139675A2 (en) 2007-12-06
WO2007139675A3 true WO2007139675A3 (en) 2008-04-03

Family

ID=38627030

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/011276 WO2007139675A2 (en) 2006-05-22 2007-05-10 Image sensor with improved light sensitivity

Country Status (6)

Country Link
US (2) US7916362B2 (en)
EP (1) EP2022258B1 (en)
JP (1) JP5149279B2 (en)
KR (1) KR101441696B1 (en)
CN (1) CN101449575B (en)
WO (1) WO2007139675A2 (en)

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