4.2 Back Light Unit

The back light unit contains 16 direct-lighting type CCFTs ( Cold Cathode Fluorescent Tube ). The characteristics of lamps are shown in the following tables.

Ta=25 ± 2°C

Item

Symbol

Min.

Typ.

Max.

Unit

Note

Lamp Current

IL

3.0

7.0

7.3

mArms

 

Lamp Voltage

VL

-

1340

-

Vrms

 

Operating Life Time

Hr

50,000

-

-

Hour

(1)

 

 

 

 

 

 

 

Note (1) It is defined as the time to take until the brightness reduces to 50% of its original value. [Operating condition : Ta = 25±2, IL = 7.0mArms(Hot.), For single lamp only. ]

 

 

 

 

 

 

 

 

HOT 1

COLD 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HOT 2

COLD 2

 

Inverter

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Inverter

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LCD

Module

HOT 15

COLD 15

HOT 16

COLD 16

 

MODEL

LTI320W2-L14

Doc. No

05-000-G-060331

Page

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