Product Specification

7 / 27

LP140WH2

Liquid Crystal Display

Ver. 1.0

Apr. 05, 2010

3-2. Interface Connections

Table 3. MODULE CONNECTOR PIN CONFIGURATION (CN1)

This LCD employs two interface connections, a 40 pin connector is used for the module electronics interface

and the other connector is used for the integral backlight system.

The electronics interface connector is a model IS050-L40B-C10 manufactured by UJU.

No Connection

NC

30

LED Power Supply (7V-20V)

VLED

40

LED Power Supply (7V-20V)

VLED

39

LED Power Supply (7V-20V)

VLED

38

No Connection

NC

37

Backlight On/Off Control (Note2)

LED_EN

36

PWM for Luminance control (Note1)

PWM

35

No Connection

NC

34

LED Ground

GND

33

LED Ground

GND

32

No Connection

NC

20

Color Engine enable (Note3)

CE_EN

19

Positive LVDS differential clock input

Odd_CLKIN+

18

Negative LVDS differential clock input

Odd_CLKIN-

17

Ground

GND

16

Positive LVDS differential data input

Odd_R

15

Negative LVDS differential data input

Odd_R

14

Ground

GND

13

Positive LVDS differential data input

Odd_R

12

Negative LVDS differential data input

Odd_R

11

LED Ground

GND

31

Power Supply, 3.3V Typ.

VCC

2

Power Supply, 3.3V Typ.

VCC

3

DDC 3.3V power

V EEDID

4

No Connection

NC

5

DDC Clock

Clk EEDID

6

DDC Data

DATA EEDID

7

Positive LVDS differential data input

Odd_R

9

No connection

NC

1

Negative LVDS differential data input

Odd_R

8

Ground

GND

10

Ground

GND

22

No Connection

NC

23

No Connection

NC

24

Ground

GND

25

No Connection

NC

26

No Connection

NC

27

Ground

GND

28

No Connection

NC

29

Notes

Description

Symbol

Pin

NC

No Connection

21

1, Interface chips

1.1 LCD : SW, SW0624 (LCD Controller)

including LVDS Receiver

1.2 System : THC63LVDF823A

or equivalent

* Pin to Pin compatible with LVDS

2. Connector

2.1 LCD : IS050-L40B-C10, UJU

or equivalent

2.2 Mating : 20453-040T-0x, I-PEX

or equivalent

2.3 Connector pin arrangement

1

40

[Note 1]

If PWM Duty is changed.

Brightness can be changed.

-PWM Duty spec. : 200Hz ~1KHz

-PWM High Level : 3 ~ 5.3V

-PWM Low Level : 0 ~ 0.5V

[Note 2]

LED EN : 3 ~ 5.3V

LED OFF : 0 ~ 0.5V

[Note 3]

CE_EN : 3V ~ 3.6V

CE OFF : 0 ~ 0.8V