CPT CLAA220WA01 Specification
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To : YIH HSING ENTERPRISE CO.,LTD.
Date : 2007.02.15
CPT TFT-LCD
CLAA 220WA01 Y
ACCEPTED BY
A:
APPROVED BY CHECKED BY PREPARED BY
WenChen LAWRENCE LAI
TFT-LCD
Product Planning
Management General
Division
Prepared by : Design General Division
CHUNGHWA PICTUER TUBES, LTD.
No. 1, Huaying Rd., Sanho Tsun, Lungtan Shiang, Taoyuan, Taiwan, 325, R.O.C.
TEL: +886-3-4805678 FAX: +886-3-4800589
Doc. No: CLAA220WA01 Y--YIH HSING-2007/02/15 Issue Date: 2007/02/15
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CPT CHUNGHWA PICTURES TUBES, LTD.,
Modification Record List
NO. Issue Date Modification Index Modifier
A 2007/01/09 Tentative version for the customer
CPT Confidential
2/23
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CLAA220WA01 Y-YIH HSING-20070215
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CPT CHUNGHWA PICTURES TUBES, LTD.,
1. OVERVIEW
CLAA220WA01 is 22.0” color TFT-LCD (Thin Film Transistor Liquid Crystal Display) module
composed of LCD panel, driver ICs, control circuit and backlight. By applying 6 bit digital data,
1680×1050, 16.7M-color images are displayed on the 21.6” diagonal screen. Input power voltage is 5.0V
for LCD driving. Inverter for backlight is not included in this module. General specification is
summarized in the following table:
ITEM SPECIFICATION
Display Area(mm) 464.94 (H) × 290.5875 (V) (21.6-inch diagonal)
Number of Pixels 1680 (H) × 1050(V)
Pixel Pitch(mm) 0.27675(H) × 0.27675(V)
Color Pixel Arrangement RGB vertical stripe
Display Mode Normally white, TN
Number of Colors 16.7M(6bits+Hi-FRC)
Brightness(cd/m^2) 300cd/m2 (Typ.)(center, 7.0mA)
Viewing Angle(H/V) 170/160 (Typ.)
Surface Treatment Anti-glare, 3H
Power consumption(W) 34.0(Typ.) (w/o Inverter)
Module Size(mm) 493.7 (W) × 320.1 (H) ×16.5 (D) (Typ.)
Module Weight(g) 3000(Typ.)
Backlight Unit CCFL, 4 tubes(top × 2/bottom × 2) , Edge light
2. ABSOLUTE MAXIMUM RATINGS
ITEM SYMBOL MIN. MAX. UNIT REMARK
Power Supply Voltage for LCD VCC 0 6 V
Lamp Voltage
Lamp Current
Delta VL 830 965 Vrms
STI VL 850 1050 Vrms
Delta ILO 3 8 mArms
STI ILO 3 8 mArms
Lamp Frequency FL 40 80 kHz
static electricity
Operation Temperature Top 0 50
Storage Temperature Tstg -20 60
VESDt -200 200 V
VESDc -8000 8000 V
к
к
*5)
*1). 2). 3). 6)
*1). 2). 3)
Delayed Discharge Time TD -- 1 sec *8)
[Note]
1).The relative temperature and humidity range are as below sketch, 90%RHMax.(TaЉ40к).
2).The maximum wet bulb temperature 39 (TaЉк Ї40 ) and wк ithout dewing.
3).If you use the product in a environment which over the definition of temperature and humidity too
long to effect the result of eye-atching.
4).The life time of the lamp is relate to the current of the lamp, so please according to the description
of the “(b) backlight” on page 7.
5).Test Condition: IEC 1000-4-2
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CPT CHUNGHWA PICTURES TUBES, LTD.,
VESDt: Contact discharge to input connector; VESDC: Contact discharge to module
6).If you operate the product in normal temperature range, the center surface of panel should be under
60к.
7).When lamp current is out of the absolute maximum range, the life will fall rapidly or shown
unusual sign.
IL min 2mA only for test only, but we can’t guarantee the lifetime and performance.
8).Delay lighting testing needs the volt above start voltage Vrms. Before the procedure tube needs
typical lighting for 1 minute and stay in the temperature 25±2к for 24 hours and then testing in the
same condition in dark room.
Relative humidit
%RH
90
80
40
20
0 20 40 60
-20
3. ELECTRICAL CHARACTERISTICS
(1).TFT-LCD
Ta=25к
Temperature(°C)
ITEM SYMBOL MIN TYP MAX UNIT REMARK
Power Supply Voltage for LCD
Power Supply Current for LCD
Permissive Ripple Voltage for Logic
Differential Resistance
40,90
Operating Range
Stora
e Range
50.4
(60,27.7)
50
VCC 4.5 5.0 5.5 V *1)
ICC -- 900 1500 mA *2)
VRP -- -- 100 mVp-p VCC=5.0V
Zm 90 100 110
The same motion input Voltage VCM
LVDS:
IN+ΔIN-
LCDInrush Current
Power consumption
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Differential input Voltage ΨVIDΨ
High electric potential threshold
voltage
Low electric potential threshold
voltage
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VTH
VTL
Inrush - - 3 A *4)
P - 4.5 7.5 W *2)
1.125 1.25 1.375 V
250 350 450 mV
- - 100 mV
-100 - - mV
CLAA220WA01 Y-YIH HSING-20070215
*3)
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CPT CHUNGHWA PICTURES TUBES, LTD.,
[Note]
*1)PowerΕdata sequence
0.5msІt1І10ms t4Ї200ms t7Ї1sec
0Іt2І50ms 0Іt5І50ms
t3Ї250ms 0.01msІt6І10ms
VCC-dip conditions:
(1) When 3.6VЉVcc(min)<4.5V: tdЉ10 ms
(2) When Vcc <3.6 V, VCC-dip conditions should also follow the VCC-turn-on conditions.
LCD Power Supply
Logic Signal㩷
0.5V
Backlight Power Supply
4.5V
Vin=5.0V
data
t2
t1
VL
T3 T4
Data: RGB DATA, DCLK, DENA
T5
T6
4.5V
0.5V
0.5V
T7
Typical value is measured when displaying horizontal gray scale line pattern:
2).
64 gray level, 1680 line mode
VCC=5.0 VΔf
CPT Confidential
=65 kHzΔfV=60 HzΔf
H
ʳ
CLK
5/23
=73.5 MHz
CLAA220WA01 Y-YIH HSING-20070215
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CPT CHUNGHWA PICTURES TUBES, LTD.,
3).LVDS Signal definition:
VIN+ΚPositive differential DATA & CLK Input
VIN-Κ Negative differential DATA ϟ CLK Input
4).Irush Measurement Condition
(2).Backlight
1. Electrical specification
ITEM SYMBOL MIN TYP MAX UNIT REMARK
B/L Voltage Delta VL 729 810 891 Vrms
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IL=7.0mA
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CPT CHUNGHWA PICTURES TUBES, LTD.,
STI VL 792 880 968 Vrms
B/L Current IL 6.5 7.0 7.5 mArms
B/L operating current ILO 3 7.0 7.5 mArms
B/L power comsuption WL
Ё
24.6 29.0 W
Inverter Frequency FI 40 50 60 kHz
Starting Lamp
Voltage
Delta VS
ЁЁ
ЁЁ
ЁЁ
STI VS
ЁЁ
1850 Vrms Ta=0к
1650 Vrms Ta=25к
1800 Vrms Ta=0к
1400 Vrms Ta=25к
Ta=25к
*1) Ta=25к
*1) Ta=25к
IL=7.0mA
Ta=25к
*2) Ta=25к
2. Lamp life time
ITEM
Delta Min. 50,000 Min. 40,000 Min. 30,000
ILO at 3.0 mA ILO at 7.0 mA ILO at 8.0 mA
UNIT REMARK
STI Min. 45,000 Min. 40,000 Min. 30,000
Rated time
(turn on/off)
Ё
Min.100,000
Ё
time *4)
[Note] Inverter vendor: Sumida, model: IV50167/T
If the waveform of light up-driving is asymmetric, the distribution of mercury inside the lamp tube
will become unequally or will deplete the Ar gas in it. Then it may cause the abnormal phenomenon
of lighting-up. Therefore, designers have to try their best to fulfill the conditions under the inverter
designing-stage as below:
1) Lamp Current measurement method (The current meter is inserted in cold line)
LCD
CTL
CTH
CTL
A
A
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CTH
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CLAA220WA01 Y-YIH HSING-20070215
INVERTER
Power-
Supply
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CPT CHUNGHWA PICTURES TUBES, LTD.,
2) a. Frequency in this range can make the characteristics of electric and optics maintain in +/- 10%
except color coordinates.
b. Frequency in 50~60kHz can make characteristics of electric and optics better.
c. Frequency in 45~80kHz won’t damage the lifetime and reliability of lamp.
d. Lamp frequency of inverter may produce interference with horizontal(or vertical) synchronous
frequency,and this may cause horizontal beat on the display.Therefore, please adjust lamp
frequency, and keep inverter as far from module as possible or use electronic shielding
between inverter and module to avoid the interference.
3) Definition of the lamp life timeΚ
a. Luminance (L) under 50% of specification.
b. Starting Lamp Voltage: over130% of the initial value. Ta=25к
4) The condition of Turn-on and Turn-off operation is as below:
a. Lamp current is 7.0mA
b. Frequency is 10 sec.(on)/10 sec.(off)
c. Repeat it for 100 thousand times
d. The lamp hue variation must smaller than 0.03
e. It should not have motion fail when starting lamp voltage is lower than 130%of the initial
value.
5) For keeping good lighting situation ,when design the inverter ,it must be considered that the
voltage large than starting lamp voltage.
6) WL=IL x VL x 4Ζ(IL=7mAΔTa=25к)
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