Product Specification

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LP140WH2

Liquid Crystal Display

Ver. 1.0

Apr. 05, 2010

Table 6. POWER SEQUENCE TABLE

3-7. Power Sequence

Note)

1. Do not insert the mating cable when system turn on.

2. Valid Data have to meet “3-3. LVDS Signal Timing Specifications”

3. LVDS, LED_EN and PWM need to pull-down condition on invalid status.

4. LGD recommend the rising sequence of VLED after the Vcc and valid status of LVDS turn on.

ms

-

-

0.5

T

12

ms

-

-

10

T

11

ms

100

-

10

T

14

ms

100

-

10

T

13

ms

-

-

0

T

10

ms

-

-

0

T

9

ms

-

-

10

T

8

Max.

Typ.

Min.

Units

Value

LED

Parameter

ms

-

-

500

T

5

ms

-

-

400

T

4

ms

10

-

3

T

7

ms

-

-

200

T

6

ms

50

-

0

T

3

ms

50

-

0

T

2

ms

10

-

0.5

T

1

Max.

Typ.

Min.

Units

Value

Logic

Parameter

T

7

Interface Signal, V

i

LVDS

Power Supply Input

VCC

90%

10%

10%

0V

90%

T

1

T

2

T

3

T

4

T

5

T

6

0V

Dimming control signal

Of LED BL

PWM

0V (Low)

T

8

LED input Voltage

VLED

T

10

LED on/off control Signal

LED_EN

T

11

T

9

Valid Data

0V

Valid Data

0V (Off)

90%

10%

T

12

90%

3.0V

3.0V

T

13

T

14

0V (Off)

90%

90%

CE&DBC on/off Control Signal

CE_EN & DBC_EN