Optical Characteristics; Parameter Guide Line For Ccfl Inverter - Envision EN9110 Service Manual

1-3-3 Optical Characteristics

The optical characteristics are measured under stable conditions at 25℃ (Room
Temperature):
ITEM
Viewing Angle
Contrast ratio
Response Time (Note 1)
Color Coordinates (CIE) White
White Luminance at CCFL
7.0mA
(central point)
Luminance Uniformity (Note 2)
Crosstalk (in 75Hz)(Note 3)

1-3-4 Parameter guide line for CCFL Inverter

INVERTER MAX BRINGTHNESS (Vadj: 3.0v), LOAD=100KΩX4(ROOM
TEMPERATURE 25℃ ±4℃)
ITEM
Input voltage
Input current
Output Current
Frequency
H.V open
H.V Load
Start voltage
Protect delay time
UNIT
[degree]
[degree]
[degree]
[degree]
[m sec]
[m sec]
[m sec]
[cd/㎡]
[%]
[%]
SYMBOL MIN.
Vin 10.8
Iin ---
Iout 6.0
F 45.0
Vopen 1550
Vload 620
Vst
1870
PDT
1
CONDITIONS
Horizontal (Right)
CR=10(Left)
Vertical (Up)
CR=10(Down)
Normal Direction
Raising Time
Falling Time
Raising +Falling
Red x
Red y
Green x
Green y
Blue x
Blue y
White x
White y
TYP. MAX.
12 13.2
1950 2200
7.0 8.0
50.0 55.0
1700 1850
670 720
1970 2070
1.5 3
5
MIN TYP.
85
75
85
85
75
85
400 600
– 15
– 10
– 25
0.604 0.634
0.324 0.354
0.278 0.308
0.576 0.606
0.108 0.138
0.057 0.087
0.28 0.31
0.3 0.33
200 250
75 80
UNIT REMARK
V
mA FOR 4 LOAD
mA FOR 1 LOAD
FOR 1 LOAD
KHZ
Vrms NO LOAD
Vrms RL=100KΩ
Vrms RL=CCFL
Sec
MAX.
–
–
–
–
25
15
40
0.664
0.384
0.338
0.636
0.168
0.117
0.34
0.36
–
–
1.5