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| 型號： | LC151X01-C3 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | 15.1 Title XGA TFT LCD |
| 中文描述： | 15.1標(biāo)題的XGA TFT液晶顯示器 |
| 文件頁數(shù)： | 7/27頁 |
| 文件大?。?/td> | 456K |
| 代理商： | LC151X01-C3 |
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Product Specification
7 / 27
LC151X01
Liquid Crystal Display
Ver. 0.2
Mar.06. 2002
5. The output of the inverter must have symmetrical(negative and positive) voltage waveform and
symmetrical current waveform.(Unsymmetrical ratio is less than 10%) Please do not use the inverter
which has unsymmetrical voltage and unsymmetrical current and spike wave.
Lamp frequency may produce interface with horizontal synchronous frequency and as a result this may
cause beat on the display. Therefore lamp frequency shall be as away possible from the horizontal
synchronous frequency and from its harmonics in order to prevent interference.
6. Let s define the brightness of the lamp after being lighted for 5 minutes as 100%.
T
S
is the time required for the brightness of the center of the lamp to be not less than 95%.
7. The lamp power consumption shown above does not include loss of external inverter.
The used lamp current is the lamp typical current.
8. The life is determined as the time at which brightness of the lamp is 50% compared to that of initial
value at the typical lamp current on condition of continuous operating at 25
±
2 C.
9. Requirements for a system inverter design, which is intended to have a better display performance, a
better power efficiency and a more reliable lamp, are following.
It shall help increase the lamp lifetime and reduce leakage current.
a. The asymmetry rate of the inverter waveform should be less than 10%.
b. The distortion rate of the waveform should be within
2
±
10%.
* Inverter output waveform had better be more similar to ideal sine wave.
If the lamp wire attach to a conducting tape, TFT-LCD Module has a low luminance and the inverter
has abnormal action. Because leakage current is occurred between lamp wire and conducting tape.
Do not attach a conducting tape to lamp connecting wire.
I
p
I
-p
* Asymmetry rate:
| I
p
– I
–p
| / I
rms
* 100%
* Distortion rate
I
p
(or I
–p
) / I
rms
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