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IMAGE SENSOR
Team 5: Minh Nguyen & Linh Hoang Tuan
Advisor: Dr. Loan Pham Nguyen
Ha Noi, 3rd November 2015
Hanoi Universit...
CONTENTS
2
I
Introduction
II
CMOS Image Sensor
III
CCD Image Sensor
IV
Summary
I. INTRODUCTION
3
SLR Camera & Films DSLR Camera & Image Sensor
Source: Internet
I. INTRODUCTION
 The most popular image sensors types:
CMOS (Complementary Metal Oxide Semiconductor)
CCD (Charge Coupled...
II. CMOS IMAGE SENSOR
Source: Internet 5
CMOS’s Architecture:
2 Technologies of CMOS Image Sensor
II. CMOS IMAGE SENSOR
Source: Internet 6
Operation in Photodiode & Circuit
1
Signal is integrated under PG
2
Floating diff...
II. CMOS IMAGE SENSOR
Source: Internet 7
III. CCD IMAGE SENSOR
Source: Internet 8
• CCD = Charge Coupled Device
• converting light into electric
charge
• a device ...
III. CCD IMAGE SENSOR
Source: Internet 9
George E. Smith and Willard Boyle, 2009
• 1969, Geoge Smith & Williard Boyle, the...
Source: Internet 10
Silicon needs 1.2 eV to release (e) from atomic lattice
Visible light has 1.6 to 3.4 eV available
III....
III. CCD IMAGE SENSOR
Source: Internet 11
Principle of Operation of CCD Image Sensor
1
32
Vertical shift register: thanh g...
III. CCD IMAGE SENSOR
Source: Internet 12
Principle of Operation of CCD Image Sensor
Serial shift register: thanh ghi dịch...
III. CCD IMAGE SENSOR
Source: Internet 13
Principle of Operation of CCD Image Sensor
Photodiode
Light strikes
the chip
A s...
III. CCD IMAGE SENSOR
Source: Internet 14
ROW
COLUMN
Electrons
shifted down
by carefully
timed voltages
on the CCD
chip el...
III. CCD IMAGE SENSOR
Source: Internet 15
The image processor takes the information from each CCD.
The true color pixels o...
IV. SUMMARY
CCD Technology
 Virtue: Low noise
Space Applications
 Vice:
• High power
• Slow speed
• Non-standard manufac...
Photographic Cameras
IV. SUMMARY
CCD and CMOS have a wide range of applications:
Source: Internet 17
CCTV Cameras
Video Ca...
THANKSFOR YOUR LISTENING!
CCD and CMOS Image Sensor
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CCD and CMOS Image Sensor

CCD and CMOS Image Sensor

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CCD and CMOS Image Sensor

  1. 1. IMAGE SENSOR Team 5: Minh Nguyen & Linh Hoang Tuan Advisor: Dr. Loan Pham Nguyen Ha Noi, 3rd November 2015 Hanoi University of Science and Technology School of Electronics and Telecommunications
  2. 2. CONTENTS 2 I Introduction II CMOS Image Sensor III CCD Image Sensor IV Summary
  3. 3. I. INTRODUCTION 3 SLR Camera & Films DSLR Camera & Image Sensor Source: Internet
  4. 4. I. INTRODUCTION  The most popular image sensors types: CMOS (Complementary Metal Oxide Semiconductor) CCD (Charge Coupled Device) 4  Brands: Toshiba, Fujifilm, Nikon, Kodak Source: Internet Complementary Metal Oxide Semiconductor: chất bán dẫn kim loại ôxit bù
  5. 5. II. CMOS IMAGE SENSOR Source: Internet 5 CMOS’s Architecture: 2 Technologies of CMOS Image Sensor
  6. 6. II. CMOS IMAGE SENSOR Source: Internet 6 Operation in Photodiode & Circuit 1 Signal is integrated under PG 2 Floating diffusion (FD) is reset FD Voltage sampled onto CR 3 Charge is transferred to FD 4 Voltage on FD sampled onto CS 5 Pixel data is driven onto differential horizontal bus
  7. 7. II. CMOS IMAGE SENSOR Source: Internet 7
  8. 8. III. CCD IMAGE SENSOR Source: Internet 8 • CCD = Charge Coupled Device • converting light into electric charge • a device for the movement of electrical charge • shifting the signals between stages one at a time Charge Coupled Device: Linh kiện tích điện kép
  9. 9. III. CCD IMAGE SENSOR Source: Internet 9 George E. Smith and Willard Boyle, 2009 • 1969, Geoge Smith & Williard Boyle, the first CCD • 1971, M.Tompsett, capturing images with simple linear devices • 1975, Steven Sasson, the first digital camera using CCD • Since 1983, collecting images in astronomy and the satellite’s camera • 2009, Geoge Smith & Williard Boyle, Nobel Prize for Physics Astronomy: thiên văn học; Satellite: vệ tinh
  10. 10. Source: Internet 10 Silicon needs 1.2 eV to release (e) from atomic lattice Visible light has 1.6 to 3.4 eV available III. CCD IMAGE SENSOR Reverse Biased PN Photo Diode
  11. 11. III. CCD IMAGE SENSOR Source: Internet 11 Principle of Operation of CCD Image Sensor 1 32 Vertical shift register: thanh ghi dịch hàng dọc; Potential Well: giếng thế; Substrate: chất nền
  12. 12. III. CCD IMAGE SENSOR Source: Internet 12 Principle of Operation of CCD Image Sensor Serial shift register: thanh ghi dịch theo chuỗi
  13. 13. III. CCD IMAGE SENSOR Source: Internet 13 Principle of Operation of CCD Image Sensor Photodiode Light strikes the chip A small electrical charge in each photo sensor Voltage one pixel Digital Signal ADC
  14. 14. III. CCD IMAGE SENSOR Source: Internet 14 ROW COLUMN Electrons shifted down by carefully timed voltages on the CCD chip electrodes Electrons shifted out towards amplifier and ADC Principle of Operation of CCD Image Sensor
  15. 15. III. CCD IMAGE SENSOR Source: Internet 15 The image processor takes the information from each CCD. The true color pixels of the image is made by averaging the values from the surrounding CCD’s 2D array
  16. 16. IV. SUMMARY CCD Technology  Virtue: Low noise Space Applications  Vice: • High power • Slow speed • Non-standard manufacture CMOS Technology  Virtue: • Low power • Fast Speed • “Easy” manufacture  Vice: High Noise Source: Internet 16
  17. 17. Photographic Cameras IV. SUMMARY CCD and CMOS have a wide range of applications: Source: Internet 17 CCTV Cameras Video Cameras Photocopiers Bar-code Readers
  18. 18. THANKSFOR YOUR LISTENING!

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