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| 型號： | 65PWB31 |
| 廠商： | NEC Corp. |
| 英文描述： | DOD-PD-0734 (2nd edition) |
| 中文描述： | 國防部光探測器- 0734（第二版） |
| 文件頁數(shù)： | 7/10頁 |
| 文件大?。?/td> | 161K |
| 代理商： | 65PWB31 |
65PWB31
DATA SHEET DOD-PD-0734 (2nd edition)
7
2.6 LUMINANCE CONTROL
Method
Adjustment and luminance ratio
Adjustment
The variable resistor (
R
) for luminance control should be 10k
±
5%, B curve, 1/10W.
Minimum point of the resistor is the minimum luminance. Also maximum point of the resistor
is the maximum luminance.
Luminance ratio
Resistance
0
30% (min.) Note1
10 k
100% (max.)
Luminance ratio
Resistor control
Adjustment
Voltage control method works, when BRTL terminal is 0V and BRTH voltage is input between
BRTL and BRTH terminal. This control method can carry out continuation adjustment of
luminance. Luminance is maximum when BRTH terminal is Open.
Less than 0.5V causes backlight off.
Except NL6448AC20-06
Between the terminals of BRTL and BRTH
Less than 0.5V
Backlight off
0.5V to 1.5V
Unstable operations such as flicker may occur.
1.5V
30% (min.) Note1
Luminance
control range
2.3V
Luminance
ratio
100% (max.)
More than 2.5V
Don't use.
IC will be damaged.
Voltage control
Note1: These data are the target values.
3. RELIABILITY TEST
This test is in accordance with the adaptable LCD module. Refer to Reliability Test of the LCD
module.
R
BRTH
BRTL
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