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Filterless Color Imaging Sensor


  Presented by Thomas Martinuzzo
  Project Leader, Sciences and Engineering
  thomas.martinuzzo@univalor.ca
Overview

 An New Imaging Sensor f M M k A li i
 AN I       iS         for Mass Market Applications 

  Seeking Partnerships in Development and Market Deployment
                       in Development and Market

  Market : $6b by 2014

  Inventor: Pr. Yves Audet, École Polytechnique de Montreal

  Intellectual Property: PCT (entered in US, JP, UK)+ 2 new USPR 
underway on improvements
           on improvements
”Image Sensor 101”
                                         ”I     S      101”

       An Image Sensor converts a visual i
       AI       S                  i l image into an electric signal
                                             i        l    ii      l

+ Very Good Quality
+ Very Good Quality Image                                                 + Cheap
                                                                          + Cheap
                                     Image Sensors
‐ Very expensive                                                          + Small
‐ Energy                                                                  + Energy
                                                                          ‐ Resolution
                                                                          ‐ Sensitiviy
                 CCD Image Sensors                   CMOS Image Sensors



                 Digital      Mobile                                 Vision      Medical
 Camcorders                              Automatives     Robotics
                Cameras     Phones PDA                              Machine      Imaging
                                                                                    gg
The Art of Color
                         The Art of Color Detection

       Filters are deposited on top of the sensor array
                  according to the Bayer pattern.
pixels with filter   sensor array


                               G: Green color detecting pixels
                               for luminance (brightness) signal 


                               R, B: Red and Blue color
                               R B: Red and Blue color detecting
                               pixels for chrominance (color) signal 
What about a sensor that
                      about a sensor that…



is as sensitive as CCD
                   CCD,

is as compact, low power consuming and low cost
      compact
as CMOS,

does not require filters to detect color images.
Our Technology


The filterless color i
Th fil l         l image sensor relies on the well‐known
                                  li       h     ll k
  principle of wavelength penetration into solids (silicon). 


                    light ray
silicon surface
 ili       f
                                            λ(red) = 650 nm

                                         λ(green) = 530 nm

                                           λ(blue) = 470 nm
The Art of Color
                                 The Art of Color Detection


                               red + green + blue
                                                                        z
                                               red + blue
                                                            rouge
                                                                                     y
                          light ray
                                                                                         x
                                           P+ electrodes
                                           P+ electrodes



                                                                            N well
                                                                            N‐well
                      E
                                                                    B
electron‐hole pairs
electron‐hole pairs
                                            P‐ substrat
Value Proposition
                          Value Proposition

An Imaging Sensor C bi i Ad
AI      iS          Combining Advantages of CMOS and CCD 
                                          f CMOS d CCD
Sensors
 • Small
   Small 
 • Low Cost
 • High resolution
   High resolution
 • High Sensitivity
 • Low Power Consumption
                      p

 4 Mpixels sensor for the size of a current 
2Mpixels sensor found in your cellular phone
Summary

 Simple Idea
 Si l Id

 Developed Within Academic Institution

 Researchers With Industry Experience

 Through Boostrapping Financing

 Core IP

 Various Market Segments

Looking For Partnerships in Development and Market Deployment
Filterless Color Imaging Sensor
                        Imaging Sensor




     Thomas Martinuzzo
thomas.martinuzzo@univalor.ca
        Booth # 402
Intellectual Property
• PCT/CA2007/000997 « Color Image Sensor » 
      /        /            l
  claiming priority on US60/811,435 07.06.2006
  – Positive ISR
  – Positive Written Opinion
                      p

• Entered into US Japan and England (Canada is
               US, Japan and England (Canada is
  possible up to Dec. 09)

• 2 US provisional underway on improvments
The Art of Color Detection


Actual color image detection 
     ll            d                     Our innovation: One pixel, three 
                                                                  lh
concept: The Bayer pattern               colors and no filtering 




Optical filter transmission could be as low as 30% in the case of 
O i l fil            ii        ld b     l      30% i h          f
the blue color

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Filterless Corlor Imaging Sensor

  • 1. Filterless Color Imaging Sensor Presented by Thomas Martinuzzo Project Leader, Sciences and Engineering thomas.martinuzzo@univalor.ca
  • 2. Overview An New Imaging Sensor f M M k A li i AN I iS for Mass Market Applications  Seeking Partnerships in Development and Market Deployment in Development and Market Market : $6b by 2014 Inventor: Pr. Yves Audet, École Polytechnique de Montreal Intellectual Property: PCT (entered in US, JP, UK)+ 2 new USPR  underway on improvements on improvements
  • 3. ”Image Sensor 101” ”I S 101” An Image Sensor converts a visual i AI S i l image into an electric signal i l ii l + Very Good Quality + Very Good Quality Image + Cheap + Cheap Image Sensors ‐ Very expensive + Small ‐ Energy + Energy ‐ Resolution ‐ Sensitiviy CCD Image Sensors CMOS Image Sensors Digital  Mobile  Vision  Medical Camcorders Automatives Robotics Cameras Phones PDA Machine Imaging gg
  • 4. The Art of Color The Art of Color Detection Filters are deposited on top of the sensor array according to the Bayer pattern. pixels with filter sensor array G: Green color detecting pixels for luminance (brightness) signal  R, B: Red and Blue color R B: Red and Blue color detecting pixels for chrominance (color) signal 
  • 5. What about a sensor that about a sensor that… is as sensitive as CCD CCD, is as compact, low power consuming and low cost compact as CMOS, does not require filters to detect color images.
  • 6. Our Technology The filterless color i Th fil l l image sensor relies on the well‐known li h ll k principle of wavelength penetration into solids (silicon).  light ray silicon surface ili f λ(red) = 650 nm λ(green) = 530 nm λ(blue) = 470 nm
  • 7. The Art of Color The Art of Color Detection red + green + blue z red + blue rouge y light ray x P+ electrodes P+ electrodes N well N‐well E B electron‐hole pairs electron‐hole pairs P‐ substrat
  • 8. Value Proposition Value Proposition An Imaging Sensor C bi i Ad AI iS Combining Advantages of CMOS and CCD  f CMOS d CCD Sensors • Small Small  • Low Cost • High resolution High resolution • High Sensitivity • Low Power Consumption p 4 Mpixels sensor for the size of a current  2Mpixels sensor found in your cellular phone
  • 9. Summary Simple Idea Si l Id Developed Within Academic Institution Researchers With Industry Experience Through Boostrapping Financing Core IP Various Market Segments Looking For Partnerships in Development and Market Deployment
  • 10. Filterless Color Imaging Sensor Imaging Sensor Thomas Martinuzzo thomas.martinuzzo@univalor.ca Booth # 402
  • 11. Intellectual Property • PCT/CA2007/000997 « Color Image Sensor »  / / l claiming priority on US60/811,435 07.06.2006 – Positive ISR – Positive Written Opinion p • Entered into US Japan and England (Canada is US, Japan and England (Canada is possible up to Dec. 09) • 2 US provisional underway on improvments
  • 12. The Art of Color Detection Actual color image detection  ll d Our innovation: One pixel, three  lh concept: The Bayer pattern colors and no filtering  Optical filter transmission could be as low as 30% in the case of  O i l fil ii ld b l 30% i h f the blue color