카메라모듈의기술동향 - mtnu.co.kr · PDF file MT&U Co., Ltd 카메라모듈의기술동향 M ob ileT chn gy & U q ut s 2 009 .1 29

www.mtnu.co.kr MT&U Co., Ltd
Mobile Technology & Ubiquitous
2009. 10. 29

< Contents >

CCD CMOS
dynamic range IC 1chip
(low light condition)
(CCD 1/10)Dynamic range
IC 1chip
( )
CMOS
CMOSCCD

CCD CMOS
300
250
200
150
100
50
0
Camera Phone Image Sensor CMOS / CCD
: ,
44%
56%
57%
43%
62%
38%
65%
35%
2002 2003 2004(E) 2005(E) 2006(E) 2007(E)
CCD
CMOS
()

Sensor
Pixel Area
OPB Pixel Area
OPB
SU
M A
rea
Pixel AreaRGB
B G B G B G
G R G R G R
B G B G B G
G R G R G R
B G B G B G
G R G R G R
B G B G B G
G R G R G R
B G B G B G
G R G R G R
B G B G B G
G R G R G R
B G B G B G
G R G R G R
B G B G B G
G R G R G R
B G B G B G
G R G R G R
B G B G B G
G R G R G R
B G B G B G
G R G R G R
B G B G B G
G R G R G R
0
1
2
3
4
5
6
7
0 1 2 3 4 5 2074
2075
2076
2077
2078
2079
Dummy
Dummy
Dummy
OpticalBlack
Dummy
1536
Active
Lines
Dummy
Dummy
Dummy
Dummy
1540
1541
1542
1543
1544
1545
Column
ROW

CRA
3P Lens Height CRA

CRA
, ,
CRA .

CRA
Microlens
Color Filters
Thick Aluminum Layers
Photodiode
Microlens
Color Filters
Thin Copper Layers
Pinned Photodiode
CRA CRA
Photodiode

Opitcal Format
, ,
CRA .

1.75um x 1.75um1/3.2"5MEGA2600x19005MEGA
1.75um x 1.75um1/4"
2.2umx2.2um1/3.2"3.0~3.2M2080x15603MEGA
1.75um x 1.75um1/5"
2.2umx2.2um1/4"2.0 MEGA1600x12002MEGA
1.75um x 1.75um1/6"1.3 MEGA1280x1024
2.25um x 2.25um1/5"1 MEGA1152x8641MEGA
2.8um x 2.8um1/8"
2.2um x 2.2um1/11"31640x480VGA
Pixel
Size
Optical
Format
Effective
Resolution

( )
( ..) Line

23.5
EFL
D
0.4
0.73.7
1.28
Area0.0458 []
Durst : 23.5 []Area : 0.000434 []
Durst Ratio : 0.95%[ => Durst/Total Area*100 ]

. .
.
.

()
O1
2
3F1
F2
I
F1
F21
2
3O
I
O
I F1F2
1
2
3

F# , , , .
.

Factor
Ray
Optical system
Image sensor
= f(Focal length)
=2
(FOV)
h
1) .
(2) = 2 x { tan-1(h / f) }

Optical system
Ray VGA (1/7)
= 2.07
=62 1.28
1.3 M (1/4)
= 3.77
=622.2
Image sensor , over spec. .

Image sensor , 60 , .
VGA
Pixel
HH H
1.3M 2M

Image sensor . (MTF) .
H
Pixel
H H
VGA 1.3M 2M

Source , .
LUX Controller
DNP Gamma chart
DNP Color chart
1. Light Source Box_GregMacbeth
2. Multi-source light box, Spectralight III with color temperature ranges from D75 to D28
3. DNP pattern box
3.1 Resolution chart
3.2 color bar chart
3.3 Gamma chart
3.4 Moire chart
3.5 Girl chart
3.6 Lens distortion Chart
4. Minolta Lux meter
5. GregMacbeth 24 box Color Checker
6. Q13 Gamma Table
7. Kodak Gray 18% Chart
8. Dark room or Dark box
9. Calibrated CRT monitor
10. Adobe Photoshop
Lux meter : For lighting condition measurement
Multi-source light box, Spectralight IIIwith color temperature ranges from D75 to D28: AWB tuning and verification
GregMacbeth 24 box Color Checker: For Image tuning and evaluation use
Kodak Gray 18% Chart : For AE / AWB tuning and verification

Black-Light-Blue Lamp White .
UV
TL84 Redder Buyer Store Lighting .
3100KU30
.2300KHorizon
CWF Yellower & Redder ,Store & Office Lighting .
4100KTL84
HOME & STORE Lighting ColorConfirm .
2850KINCAND A()
. Office Lghting Color confirm .
4150KCWF ()
6500K, 7599K . D75, D65 ColorConfirm .
6500KDaylight ()
[ , .]

F 2.8 F 3.6
F 7.0 F 11.0

1,600 x 1,280 1/125 F2.8
1,600 x 1,280 1/125 F2.8
1,600 x 1,280 1 F11
1,600 x 1,280 1 F11

F# (Fno)
Fno
F12
F 5.6
F 1.6
0 1.5m 3m 4.5m 6m 7.5m 9m 10.5m

Lens
, .
, , , , .

Lens Lens
,
.
,
.
Lens Lens
?
.
. .

, ( ) . , , .

IR CUT OFF FILTER
380 550 780
Blue Green Red650
50%
IR IR cutcut--off off FilterFilterIR Coating on GlassIR Coating on Glass
tBFL
IR Coating

IR CUT OFF FILTER BFL
D
D = N
(N-1)T

Coating
WithWithoout ut AR coAR coatingating With With AR cAR coatingoating
100%92%
Reflection 4%
100%
99.8%- 4%- 4%
Multi Coating
Multi Layer CoatingMulti Layer Coating
100%
Single Layer CoatingSingle Layer Coating
96.6%
100%
99.8%

A/F(Autofocus) ?
, VCM .
Lead Screw
Stepping Motor

Lead Screw
Stepping Motor
,
Guide
Step Motor FDK, Sanyo, Tokyo, Micro
- ,
A/F (Stepping Motor )

+
5~10[um]
>200[mA] (A,B) (Movie)
A/F (Stepping Motor )

VCM (VCM )
VCM
2 Guide
VCM
A/F (VCM )

Step Motor
Stick Slip
Macro mode
(Movie)
A/F (VCM Leaf Spring

(COB )
Holder
Lens
Lens
Lens
Lens
IR
PCB
PCB

/
Bare Chip Wire Bonding
Molding .
Wire PAD
Bonding
wireing wire
.
COB ( Chip On Board)
bare chip ,
20% ,
handling .
,
epoxy .
CSP (Chip Scale Packaging)
PLCC (Plastic Leadless Carry Packaging)CLCC (Ceramic Leadless Carry Packaging)
lead Ceramic .
CLCC Plastic .

/
IR
Image sensor
Active area
FPCB
PCB Image Sensor
Gold wire
CSPCOFCOB

COB
Holder
Lens Lens Lens Lens
IR
PCB
PCB

PCB CLEANING
PCB Image Sensor Gold Wire
PCB Capacitor
SMT Open, Short
PCB Image Sensor
PCB Cleaning
Image Sensor Wire
Image Sensor Lens Holder
IQC SMT V/M DIE BOND
CUREV/MHOLDER ATTACHHOT PLATEV/M, OQC
Image Sensor Lens Holder Cure
PCB Image Sensor Cure
WIRE BOND
Wafer
SENSOR V/M
2M

2M
BONDING
Label Ink Marking
Array PCB

Documents

카메라모듈의기술동향 - mtnu.co.kr · PDF file MT&U Co., Ltd 카메라모듈의기술동향 M ob ileT chn gy & U q ut s 2 009 .1 29