Product Specification

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LP140WH1

Liquid Crystal Display

Ver.1.0

May. 22, 2009

3. Electrical Specifications

3-1. Electrical Characteristics

Table 2. ELECTRICAL CHARATERISTICS

The LP140WH1 requires two power inputs. One is employed to power the LCD electronics and to drive the

TFT array and liquid crystal. The second backlight is the input about LED BL with LED Driver.

Parameter

Symbol

Values

Unit

Notes

Min

Typ

Max

LOGIC :

Power Supply Input Voltage

3.0

3.3

3.6

V

1

Power Supply Input Current

Mosaic

-

465

540

mA

2

Black

-

640

740

mA

3

Power Consumption

-

1.5

1.8

W

2

Power Supply Inrush Current

-

-

2000

mA

4

LVDS Impedance

90

100

110

Ω

5

BACKLIGHT : ( with LED Driver)

LED Power Input Voltage

7.0

12.0

20.0

V

6

LED Power Input Current

-

265

285

mA

7

LED Power Consumption

-

3.2

3.4

W

7

PWM Duty Ratio

13

-

100

%

8

PWM Jitter

-

0

-

0.3

%

9

PWM Impedance

20

40

60

kΩ

PWM Frequency

120

1000

1100

Hz

10

PWM High Level Voltage

V

PWM_H

3.0

-

5.3

V

PWM Low Level Voltage

V

PWM_L

0

-

0.5

V

LED_EN Impedance

20

40

60

kΩ

LED_EN High Voltage

_H

3.0

-

5.3

V

LED_EN Low Voltage

_L

0

-

0.5

V

Life Time

12,000

-

-

Hrs

11